2. Computers & electronics
  3. Software
  4. Computer utilities
  5. General utility software
  6. Dell
  7. PowerSwitch S4048-ON
PowerSwitch S4048-ON

Dell PowerSwitch S4048-ON Owner's manual

  • Hello! I am an AI chatbot trained to assist you with the Dell PowerSwitch S4048-ON Owner's manual. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
Dell Conguration Guide for the S4048–ON
System
9.14.2.0
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks
may be trademarks of their respective owners.
2019 - 04
Rev. A00
Contents
1 About this Guide...........................................................................................................................................38
Audience............................................................................................................................................................................38
Conventions......................................................................................................................................................................38
Related Documents......................................................................................................................................................... 38
2 Conguration Fundamentals........................................................................................................................ 39
Accessing the Command Line........................................................................................................................................39
CLI Modes.........................................................................................................................................................................39
Navigating CLI Modes................................................................................................................................................41
The do Command............................................................................................................................................................ 44
Undoing Commands........................................................................................................................................................ 44
Obtaining Help..................................................................................................................................................................45
Entering and Editing Commands................................................................................................................................... 45
Command History............................................................................................................................................................46
Filtering show Command Outputs.................................................................................................................................46
Example of the grep Keyword.................................................................................................................................. 46
Multiple Users in Conguration Mode........................................................................................................................... 47
3 Getting Started............................................................................................................................................48
Console Access................................................................................................................................................................49
Serial Console.............................................................................................................................................................49
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................50
Entering CLI commands Using an SSH Connection..............................................................................................50
Executing Local CLI Scripts Using an SSH Connection........................................................................................50
Default Conguration....................................................................................................................................................... 51
Conguring a Host Name................................................................................................................................................ 51
Accessing the System Remotely.................................................................................................................................... 51
Accessing the System Remotely.............................................................................................................................. 51
Congure the Management Port IP Address..........................................................................................................51
Congure a Management Route..............................................................................................................................52
Conguring a Username and Password..................................................................................................................52
Conguring the Enable Password..................................................................................................................................53
Conguration File Management.....................................................................................................................................53
Copy Files to and from the System......................................................................................................................... 54
Mounting an NFS File System..................................................................................................................................54
Save the Running-Conguration..............................................................................................................................56
Congure the Overload Bit for a Startup Scenario................................................................................................57
Viewing Files............................................................................................................................................................... 57
Compressing Conguration Files............................................................................................................................. 58
Managing the File System.............................................................................................................................................. 60
Enabling Software Features on Devices Using a Command Option.......................................................................... 61
View Command History................................................................................................................................................... 61
Contents
3
Upgrading Dell EMC Networking OS............................................................................................................................ 62
Verify Software Images Before Installation...................................................................................................................62
Using HTTP for File Transfers........................................................................................................................................ 63
4 Management................................................................................................................................................64
Conguring Privilege Levels............................................................................................................................................64
Creating a Custom Privilege Level...........................................................................................................................65
Removing a Command from EXEC Mode.............................................................................................................. 65
Moving a Command from EXEC Privilege Mode to EXEC Mode....................................................................... 65
Allowing Access to CONFIGURATION Mode Commands....................................................................................65
Allowing Access to Dierent Modes........................................................................................................................65
Applying a Privilege Level to a Username............................................................................................................... 67
Applying a Privilege Level to a Terminal Line...........................................................................................................67
Conguring Logging.........................................................................................................................................................67
Audit and Security Logs............................................................................................................................................ 68
Conguring Logging Format ...................................................................................................................................70
Display the Logging Buer and the Logging Conguration.................................................................................. 70
Setting Up a Secure Connection to a Syslog Server..............................................................................................71
Sending System Messages to a Syslog Server...................................................................................................... 72
Track Login Activity..........................................................................................................................................................72
Restrictions for Tracking Login Activity...................................................................................................................72
Conguring Login Activity Tracking......................................................................................................................... 72
Display Login Statistics..............................................................................................................................................73
Limit Concurrent Login Sessions....................................................................................................................................74
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................74
Conguring Concurrent Session Limit.....................................................................................................................75
Enabling the System to Clear Existing Sessions.................................................................................................... 75
Enabling Secured CLI Mode........................................................................................................................................... 76
Log Messages in the Internal Buer..............................................................................................................................76
Conguration Task List for System Log Management.......................................................................................... 76
Disabling System Logging............................................................................................................................................... 76
Sending System Messages to a Syslog Server............................................................................................................ 77
Conguring a UNIX System as a Syslog Server.....................................................................................................77
Changing System Logging Settings...............................................................................................................................77
Display the Logging Buer and the Logging Conguration........................................................................................ 78
Conguring a UNIX Logging Facility Level....................................................................................................................79
Synchronizing Log Messages.........................................................................................................................................80
Enabling Timestamp on Syslog Messages....................................................................................................................80
File Transfer Services....................................................................................................................................................... 81
Conguration Task List for File Transfer Services...................................................................................................81
Enabling the FTP Server............................................................................................................................................81
Conguring FTP Server Parameters........................................................................................................................ 81
Conguring FTP Client Parameters.........................................................................................................................82
Terminal Lines................................................................................................................................................................... 82
Denying and Permitting Access to a Terminal Line................................................................................................83
Conguring Login Authentication for Terminal Lines.............................................................................................84
4
Contents
Setting Timeout for EXEC Privilege Mode...................................................................................................................85
Using Telnet to get to Another Network Device..........................................................................................................85
Lock CONFIGURATION Mode....................................................................................................................................... 86
Viewing the Conguration Lock Status...................................................................................................................86
Reloading the system...................................................................................................................................................... 86
Restoring the Factory Default Settings.........................................................................................................................87
Important Points to Remember................................................................................................................................87
Restoring Factory Default Environment Variables................................................................................................. 88
Viewing the Reason for Last System Reboot.............................................................................................................. 89
5 802.1X......................................................................................................................................................... 90
Port-Authentication Process.......................................................................................................................................... 92
EAP over RADIUS......................................................................................................................................................92
Conguring 802.1X...........................................................................................................................................................93
Related Conguration Tasks..................................................................................................................................... 93
Important Points to Remember......................................................................................................................................93
Enabling 802.1X................................................................................................................................................................ 94
Conguring dot1x Prole ................................................................................................................................................95
Conguring MAC addresses for a do1x Prole.............................................................................................................96
Conguring the Static MAB and MAB Prole .............................................................................................................96
Conguring Critical VLAN ..............................................................................................................................................97
Conguring Request Identity Re-Transmissions...........................................................................................................98
Conguring a Quiet Period after a Failed Authentication..................................................................................... 98
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 99
Re-Authenticating a Port.............................................................................................................................................. 100
Conguring Timeouts..................................................................................................................................................... 101
Conguring Dynamic VLAN Assignment with Port Authentication......................................................................... 102
Guest and Authentication-Fail VLANs.........................................................................................................................103
Conguring a Guest VLAN......................................................................................................................................103
Conguring an Authentication-Fail VLAN............................................................................................................. 103
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 105
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 105
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 106
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................106
Conguring ACL VLAN Groups.............................................................................................................................. 106
Conguring FP Blocks for VLAN Parameters....................................................................................................... 107
Viewing CAM Usage...................................................................................................................................................... 108
Allocating FP Blocks for VLAN Processes.................................................................................................................. 109
Unied Forwarding Table (UFT) Modes.......................................................................................................................110
Conguring UFT Modes...........................................................................................................................................110
7 Access Control Lists (ACLs)........................................................................................................................ 111
IP Access Control Lists (ACLs)......................................................................................................................................112
CAM Usage................................................................................................................................................................113
Implementing ACLs on Dell EMC Networking OS.................................................................................................113
Contents
5
Important Points to Remember.....................................................................................................................................115
Conguration Task List for Route Maps.................................................................................................................115
Conguring Match Routes....................................................................................................................................... 117
Conguring Set Conditions......................................................................................................................................119
Congure a Route Map for Route Redistribution.................................................................................................120
Congure a Route Map for Route Tagging........................................................................................................... 120
Continue Clause........................................................................................................................................................ 121
IP Fragment Handling..................................................................................................................................................... 121
IP Fragments ACL Examples....................................................................................................................................121
Layer 4 ACL Rules Examples...................................................................................................................................122
Congure a Standard IP ACL........................................................................................................................................ 122
Conguring a Standard IP ACL Filter..................................................................................................................... 123
Congure an Extended IP ACL..................................................................................................................................... 124
Conguring Filters with a Sequence Number....................................................................................................... 124
Conguring Filters Without a Sequence Number.................................................................................................126
Congure Layer 2 and Layer 3 ACLs............................................................................................................................126
Assign an IP ACL to an Interface.................................................................................................................................. 127
Applying an IP ACL......................................................................................................................................................... 127
Counting ACL Hits....................................................................................................................................................128
Congure Ingress ACLs................................................................................................................................................. 128
Congure Egress ACLs..................................................................................................................................................129
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 130
IP Prex Lists.................................................................................................................................................................. 130
Implementation Information..................................................................................................................................... 131
Conguration Task List for Prex Lists...................................................................................................................131
ACL Remarks.................................................................................................................................................................. 134
Conguring a Remark.............................................................................................................................................. 134
Deleting a Remark.................................................................................................................................................... 135
ACL Resequencing......................................................................................................................................................... 136
Resequencing an ACL or Prex List.......................................................................................................................136
Route Maps..................................................................................................................................................................... 137
Implementation Information.....................................................................................................................................137
Logging of ACL Processes............................................................................................................................................ 138
Guidelines for Conguring ACL Logging................................................................................................................139
Conguring ACL Logging.........................................................................................................................................139
Flow-Based Monitoring..................................................................................................................................................140
Behavior of Flow-Based Monitoring.......................................................................................................................140
Enabling Flow-Based Monitoring.............................................................................................................................141
Conguring UDF ACL.....................................................................................................................................................142
Conguring IP Mirror Access Group............................................................................................................................ 145
Sample Conguration...............................................................................................................................................146
Example of viewing IP mirror–access–group applied to an Interface................................................................146
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 147
How BFD Works............................................................................................................................................................. 147
BFD Packet Format..................................................................................................................................................148
6
Contents
BFD Sessions............................................................................................................................................................ 149
BFD Three-Way Handshake....................................................................................................................................150
Session State Changes............................................................................................................................................152
Important Points to Remember.................................................................................................................................... 152
Congure BFD................................................................................................................................................................ 153
Congure BFD for Physical Ports...........................................................................................................................153
Congure BFD for Static Routes............................................................................................................................155
Congure BFD for IPv6 Static Routes...................................................................................................................158
Congure BFD for OSPF..........................................................................................................................................161
Congure BFD for OSPFv3.....................................................................................................................................166
Congure BFD for IS-IS...........................................................................................................................................169
Congure BFD for BGP............................................................................................................................................171
Congure BFD for VRRP.........................................................................................................................................179
Conguring Protocol Liveness.................................................................................................................................181
9 Border Gateway Protocol (BGP)................................................................................................................ 182
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 182
BGP Autonomous Systems.....................................................................................................................................182
AS4 Number Representation.................................................................................................................................. 184
Four-Byte AS Numbers............................................................................................................................................186
BGP router ID............................................................................................................................................................186
Sessions and Peers.................................................................................................................................................. 186
Establish a Session................................................................................................................................................... 187
BGP Attributes for selecting Best Path................................................................................................................. 187
Multiprotocol BGP....................................................................................................................................................192
BGP global and address family conguration........................................................................................................193
Implement BGP with Dell EMC Networking OS...................................................................................................195
Conguration Information........................................................................................................................................198
Basic BGP conguration tasks......................................................................................................................................198
Prerequisite for conguring a BGP network......................................................................................................... 198
Restrictions............................................................................................................................................................... 199
Enabling BGP............................................................................................................................................................ 199
Enabling four-byte autonomous system numbers................................................................................................201
Changing a BGP router ID...................................................................................................................................... 202
Conguring AS4 Number Representations.......................................................................................................... 202
Conguring a BGP peer..........................................................................................................................................204
Example-Conguring BGP routing between peers............................................................................................. 205
BGP peer group....................................................................................................................................................... 206
Advanced BGP conguration tasks..............................................................................................................................212
Route-refresh and Soft-reconguration................................................................................................................213
Aggregating Routes..................................................................................................................................................215
Filtering BGP............................................................................................................................................................. 217
Conguring BGP Fast Fall-Over............................................................................................................................ 224
Conguring Passive Peering...................................................................................................................................225
Enabling Graceful Restart.......................................................................................................................................226
Redistributing Routes.............................................................................................................................................. 227
Contents
7
Redistributing iBGP Routes into IGP.....................................................................................................................228
Enabling Additional Paths....................................................................................................................................... 230
Conguring IP Community Lists............................................................................................................................. 231
Conguring an IP Extended Community List....................................................................................................... 232
Congure BGP attributes....................................................................................................................................... 233
Enabling Multipath................................................................................................................................................... 237
Route Reectors......................................................................................................................................................238
Enabling Route Flap Dampening............................................................................................................................ 239
Changing BGP keepalive and hold timers.............................................................................................................242
Setting the extended timer.....................................................................................................................................243
Enabling or disabling BGP neighbors.....................................................................................................................243
Route Map Continue............................................................................................................................................... 244
Conguring BGP Confederations.......................................................................................................................... 245
Conguring a BGP VRF address family.................................................................................................................246
Maintaining Existing AS Numbers During an AS Migration.................................................................................247
Allowing an AS Number to Appear in its Own AS Path.......................................................................................248
Enabling MBGP Congurations............................................................................................................................. 249
MBGP support for IPv6..........................................................................................................................................249
Conguring IPv6 MBGP between peers.............................................................................................................. 249
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 250
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 252
BGP Regular Expression Optimization..................................................................................................................254
Debugging BGP....................................................................................................................................................... 254
10 Content Addressable Memory (CAM).......................................................................................................257
CAM Allocation...............................................................................................................................................................257
Test CAM Usage............................................................................................................................................................259
View CAM-ACL Settings.............................................................................................................................................. 259
View CAM Usage............................................................................................................................................................261
Conguring CAM Threshold and Silence Period.........................................................................................................261
Setting CAM Threshold and Silence Period.......................................................................................................... 261
CAM Optimization......................................................................................................................................................... 262
Troubleshoot CAM Proling..........................................................................................................................................263
QoS CAM Region Limitation...................................................................................................................................263
11 Control Plane Policing (CoPP).................................................................................................................. 264
Congure Control Plane Policing................................................................................................................................. 265
Conguring CoPP for Protocols............................................................................................................................ 266
Conguring CoPP for CPU Queues...................................................................................................................... 268
CoPP for OSPFv3 Packets.....................................................................................................................................269
Conguring CoPP for OSPFv3...............................................................................................................................272
Displaying CoPP Conguration ............................................................................................................................. 272
12 Data Center Bridging (DCB)..................................................................................................................... 275
Ethernet Enhancements in Data Center Bridging......................................................................................................275
Priority-Based Flow Control....................................................................................................................................276
8
Contents
Enhanced Transmission Selection.......................................................................................................................... 277
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................278
Data Center Bridging in a Trac Flow...................................................................................................................279
Enabling Data Center Bridging..................................................................................................................................... 279
DCB Maps and its Attributes..................................................................................................................................280
Data Center Bridging: Default Conguration.............................................................................................................. 281
Conguring Priority-Based Flow Control.....................................................................................................................281
Conguring Lossless Queues................................................................................................................................. 282
Conguring PFC in a DCB Map................................................................................................................................... 283
PFC Conguration Notes........................................................................................................................................283
PFC Prerequisites and Restrictions....................................................................................................................... 284
Applying a DCB Map on a Port.................................................................................................................................... 284
Conguring PFC without a DCB Map.........................................................................................................................285
Conguring Lossless QueuesExample:..................................................................................................................285
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................287
Pause and Resume of Trac..................................................................................................................................287
Buer Sizes for Lossless or PFC Packets.............................................................................................................287
Behavior of Tagged Packets.........................................................................................................................................288
Conguration Example for DSCP and PFC Priorities................................................................................................288
Using PFC to Manage Converged Ethernet Trac...................................................................................................289
Congure Enhanced Transmission Selection..............................................................................................................289
ETS Prerequisites and Restrictions....................................................................................................................... 290
Creating an ETS Priority Group............................................................................................................................. 290
ETS Operation with DCBx.......................................................................................................................................291
Conguring Bandwidth Allocation for DCBx CIN................................................................................................. 291
Conguring ETS in a DCB Map..............................................................................................................................292
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 293
Using ETS to Manage Converged Ethernet Trac...................................................................................................294
Applying DCB Policies in a Switch Stack.................................................................................................................... 294
Congure a DCBx Operation........................................................................................................................................294
DCBx Operation.......................................................................................................................................................295
DCBx Port Roles......................................................................................................................................................295
DCB Conguration Exchange................................................................................................................................ 296
Conguration Source Election................................................................................................................................297
Propagation of DCB Information............................................................................................................................297
Auto-Detection and Manual Conguration of the DCBx Version.......................................................................297
DCBx Example......................................................................................................................................................... 298
DCBx Prerequisites and Restrictions.....................................................................................................................298
Conguring DCBx....................................................................................................................................................299
Verifying the DCB Conguration................................................................................................................................. 302
QoS dot1p Trac Classication and Queue Assignment...........................................................................................312
Conguring the Dynamic Buer Method.................................................................................................................... 313
Sample DCB Conguration............................................................................................................................................314
PFC and ETS Conguration Command Examples............................................................................................... 315
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................316
Contents
9
DHCP Packet Format and Options.............................................................................................................................. 316
Assign an IP Address using DHCP................................................................................................................................318
Implementation Information.......................................................................................................................................... 319
Congure the System to be a DHCP Server.............................................................................................................. 319
Conguring the Server for Automatic Address Allocation..................................................................................320
Specifying a Default Gateway.................................................................................................................................321
Congure a Method of Hostname Resolution......................................................................................................322
Using DNS for Address Resolution........................................................................................................................322
Using NetBIOS WINS for Address Resolution..................................................................................................... 322
Creating Manual Binding Entries............................................................................................................................322
Debugging the DHCP Server................................................................................................................................. 323
Using DHCP Clear Commands...............................................................................................................................323
Congure the System to be a Relay Agent................................................................................................................ 323
Congure the System to be a DHCP Client............................................................................................................... 325
Conguring the DHCP Client System...................................................................................................................325
DHCP Client on a Management Interface............................................................................................................ 327
DHCP Client Operation with Other Features....................................................................................................... 327
DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 328
Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 328
Non-default VRF conguration for DHCPv6 helper address................................................................................... 329
Conguring DHCP relay source interface...................................................................................................................330
Global DHCP relay source IPv4 or IPv6 conguration ....................................................................................... 330
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................330
Congure the System for User Port Stacking (Option 230)....................................................................................332
Congure Secure DHCP............................................................................................................................................... 332
Option 82..................................................................................................................................................................332
DHCPv6 relay agent options.................................................................................................................................. 333
DHCP Snooping.......................................................................................................................................................333
Drop DHCP Packets on Snooped VLANs Only....................................................................................................338
Dynamic ARP Inspection.........................................................................................................................................338
Conguring Dynamic ARP Inspection................................................................................................................... 339
Source Address Validation............................................................................................................................................ 340
Enabling IP Source Address Validation..................................................................................................................340
DHCP MAC Source Address Validation................................................................................................................. 341
Enabling IP+MAC Source Address Validation........................................................................................................341
Viewing the Number of SAV Dropped Packets....................................................................................................342
Clearing the Number of SAV Dropped Packets................................................................................................... 342
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 343
ECMP for Flow-Based Anity.....................................................................................................................................343
Conguring the Hash Algorithm............................................................................................................................ 343
Enabling Deterministic ECMP Next Hop.............................................................................................................. 343
Conguring the Hash Algorithm Seed.................................................................................................................. 344
Link Bundle Monitoring................................................................................................................................................. 344
Managing ECMP Group Paths...............................................................................................................................345
Creating an ECMP Group Bundle..........................................................................................................................345
10
Contents
Modifying the ECMP Group Threshold.................................................................................................................345
RTAG7.............................................................................................................................................................................346
Flow-based Hashing for ECMP....................................................................................................................................347
15 FIP Snooping............................................................................................................................................350
Fibre Channel over Ethernet........................................................................................................................................350
Ensure Robustness in a Converged Ethernet Network............................................................................................350
FIP Snooping on Ethernet Bridges.............................................................................................................................. 352
FIP Snooping in a Switch Stack...................................................................................................................................354
Using FIP Snooping....................................................................................................................................................... 354
FIP Snooping Prerequisites.....................................................................................................................................354
Important Points to Remember............................................................................................................................. 354
Enabling the FCoE Transit Feature........................................................................................................................355
Enable FIP Snooping on VLANs.............................................................................................................................356
Congure the FC-MAP Value................................................................................................................................ 356
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................356
Congure a Port for a Bridge-to-FCF Link...........................................................................................................356
Impact on Other Software Features..................................................................................................................... 356
FIP Snooping Restrictions.......................................................................................................................................357
Conguring FIP Snooping.......................................................................................................................................357
Displaying FIP Snooping Information...........................................................................................................................358
FCoE Transit Conguration Example...........................................................................................................................363
16 Flex Hash and Optimized Boot-Up............................................................................................................365
Flex Hash Capability Overview.................................................................................................................................... 365
Conguring the Flex Hash Mechanism.......................................................................................................................365
Conguring Fast Boot and LACP Fast Switchover...................................................................................................366
Optimizing the Boot Time.............................................................................................................................................366
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................366
Guidelines for Conguring Optimized Booting Mechanism................................................................................ 367
Interoperation of Applications with Fast Boot and System States..........................................................................368
LACP and IPv4 Routing.......................................................................................................................................... 368
LACP and IPv6 Routing..........................................................................................................................................368
BGP Graceful Restart............................................................................................................................................. 369
Cold Boot Caused by Power Cycling the System............................................................................................... 369
Unexpected Reload of the System........................................................................................................................369
Software Upgrade................................................................................................................................................... 369
LACP Fast Switchover............................................................................................................................................369
Changes to BGP Multipath.....................................................................................................................................370
Delayed Installation of ECMP Routes Into BGP...................................................................................................370
RDMA Over Converged Ethernet (RoCE) Overview................................................................................................370
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces....................................................................................... 371
17 FIPS Cryptography................................................................................................................................... 372
Conguration Tasks....................................................................................................................................................... 372
Preparing the System....................................................................................................................................................372
Contents
11
Enabling FIPS Mode...................................................................................................................................................... 373
Generating Host-Keys................................................................................................................................................... 373
Monitoring FIPS Mode Status......................................................................................................................................373
Disabling FIPS Mode......................................................................................................................................................374
18 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 375
Protocol Overview......................................................................................................................................................... 375
Ring Status............................................................................................................................................................... 376
Multiple FRRP Rings................................................................................................................................................376
Important FRRP Points........................................................................................................................................... 377
Important FRRP Concepts..................................................................................................................................... 378
Implementing FRRP.......................................................................................................................................................379
FRRP Conguration.......................................................................................................................................................379
Creating the FRRP Group.......................................................................................................................................379
Conguring the Control VLAN...............................................................................................................................380
Conguring and Adding the Member VLANs....................................................................................................... 381
Setting the FRRP Timers........................................................................................................................................382
Clearing the FRRP Counters..................................................................................................................................382
Viewing the FRRP Conguration...........................................................................................................................382
Viewing the FRRP Information...............................................................................................................................382
Troubleshooting FRRP.................................................................................................................................................. 383
Conguration Checks..............................................................................................................................................383
Sample Conguration and Topology............................................................................................................................383
FRRP Support on VLT...................................................................................................................................................384
Example Scenario.................................................................................................................................................... 385
Important Points to Remember............................................................................................................................. 386
19 GARP VLAN Registration Protocol (GVRP).............................................................................................. 387
Important Points to Remember....................................................................................................................................387
Congure GVRP............................................................................................................................................................ 388
Related Conguration Tasks...................................................................................................................................388
Enabling GVRP Globally................................................................................................................................................ 389
Enabling GVRP on a Layer 2 Interface........................................................................................................................389
Congure GVRP Registration...................................................................................................................................... 389
Congure a GARP Timer.............................................................................................................................................. 390
RPM Redundancy..........................................................................................................................................................390
20 High Availability (HA)...............................................................................................................................392
Component Redundancy.............................................................................................................................................. 392
Automatic and Manual Stack Unit Failover.......................................................................................................... 392
Synchronization between Management and Standby Units..............................................................................393
Forcing a Stack Unit Failover................................................................................................................................. 393
Disabling Auto-Reboot............................................................................................................................................ 394
Pre-Conguring a Stack Unit Slot............................................................................................................................... 394
Removing a Provisioned Logical Stack Unit............................................................................................................... 394
Hitless Behavior............................................................................................................................................................. 394
12
Contents
Graceful Restart............................................................................................................................................................ 395
Software Resiliency.......................................................................................................................................................395
Software Component Health Monitoring............................................................................................................. 395
System Health Monitoring......................................................................................................................................395
Failure and Event Logging...................................................................................................................................... 395
Hot-Lock Behavior.........................................................................................................................................................396
21 Internet Group Management Protocol (IGMP)..........................................................................................397
IGMP Implementation Information...............................................................................................................................397
IGMP Protocol Overview.............................................................................................................................................. 397
IGMP Version 2........................................................................................................................................................ 397
IGMP Version 3........................................................................................................................................................399
Congure IGMP............................................................................................................................................................. 402
Related Conguration Tasks...................................................................................................................................402
Viewing IGMP Enabled Interfaces............................................................................................................................... 403
Selecting an IGMP Version...........................................................................................................................................403
Viewing IGMP Groups...................................................................................................................................................404
Adjusting Timers............................................................................................................................................................ 404
Adjusting Query and Response Timers................................................................................................................. 404
Preventing a Host from Joining a Group.................................................................................................................... 405
Enabling IGMP Immediate-Leave................................................................................................................................ 408
IGMP Snooping..............................................................................................................................................................408
IGMP Snooping Implementation Information.......................................................................................................408
Conguring IGMP Snooping...................................................................................................................................408
Removing a Group-Port Association.....................................................................................................................409
Disabling Multicast Flooding...................................................................................................................................409
Specifying a Port as Connected to a Multicast Router....................................................................................... 410
Conguring the Switch as Querier.........................................................................................................................410
Fast Convergence after MSTP Topology Changes.................................................................................................... 411
Egress Interface Selection (EIS) for HTTP and IGMP Applications......................................................................... 411
Protocol Separation...................................................................................................................................................411
Enabling and Disabling Management Egress Interface Selection.......................................................................412
Handling of Management Route Conguration....................................................................................................413
Handling of Switch-Initiated Trac........................................................................................................................414
Handling of Switch-Destined Trac...................................................................................................................... 414
Handling of Transit Trac (Trac Separation).....................................................................................................415
Mapping of Management Applications and Trac Type..................................................................................... 415
Behavior of Various Applications for Switch-Initiated Trac .............................................................................416
Behavior of Various Applications for Switch-Destined Trac ............................................................................417
Interworking of EIS With Various Applications......................................................................................................418
Designating a Multicast Router Interface....................................................................................................................418
22 Interfaces................................................................................................................................................ 420
Basic Interface Conguration.......................................................................................................................................420
Advanced Interface Conguration...............................................................................................................................420
Interface Types................................................................................................................................................................421
Contents
13
View Basic Interface Information..................................................................................................................................421
Resetting an Interface to its Factory Default State...................................................................................................423
Enabling a Physical Interface........................................................................................................................................424
Physical Interfaces.........................................................................................................................................................424
Conguration Task List for Physical Interfaces.................................................................................................... 424
Overview of Layer Modes...................................................................................................................................... 425
Conguring Layer 2 (Data Link) Mode..................................................................................................................425
Conguring Layer 2 (Interface) Mode.................................................................................................................. 425
Conguring Layer 3 (Network) Mode...................................................................................................................426
Conguring Layer 3 (Interface) Mode.................................................................................................................. 426
Monitoring internal physical temperature of 10GBase-T optical ports.....................................................................427
Enabling temperature polling on ports.................................................................................................................. 429
Setting the reset port to normal mode................................................................................................................. 429
Automatic recovery of an Err-disabled interface....................................................................................................... 429
Conguring an automatic recovery for an Err-disabled interface......................................................................430
Egress Interface Selection (EIS)...................................................................................................................................431
Important Points to Remember.............................................................................................................................. 431
Conguring EIS......................................................................................................................................................... 431
Management Interfaces.................................................................................................................................................431
Conguring Management Interfaces..................................................................................................................... 431
Conguring a Management Interface on an Ethernet Port................................................................................433
VLAN Interfaces.............................................................................................................................................................434
Loopback Interfaces...................................................................................................................................................... 434
Null Interfaces................................................................................................................................................................ 435
Port Channel Interfaces................................................................................................................................................435
Port Channel Denition and Standards.................................................................................................................435
Port Channel Benets.............................................................................................................................................435
Port Channel Implementation.................................................................................................................................436
Interfaces in Port Channels.................................................................................................................................... 436
Conguration Tasks for Port Channel Interfaces................................................................................................. 437
Creating a Port Channel..........................................................................................................................................437
Adding a Physical Interface to a Port Channel.....................................................................................................437
Reassigning an Interface to a New Port Channel................................................................................................439
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 440
Adding or Removing a Port Channel from a VLAN............................................................................................. 440
Assigning an IP Address to a Port Channel........................................................................................................... 441
Deleting or Disabling a Port Channel......................................................................................................................441
Load Balancing Through Port Channels................................................................................................................442
Changing the Hash Algorithm................................................................................................................................ 442
Bulk Conguration......................................................................................................................................................... 443
Interface Range........................................................................................................................................................443
Bulk Conguration Examples..................................................................................................................................443
Dening Interface Range Macros................................................................................................................................ 445
Dene the Interface Range.................................................................................................................................... 445
Choosing an Interface-Range Macro.................................................................................................................... 445
14
Contents
Monitoring and Maintaining Interfaces....................................................................................................................... 445
Maintenance Using TDR......................................................................................................................................... 446
Non Dell-Qualied Transceivers................................................................................................................................... 447
Splitting 40G Ports without Reload.............................................................................................................................447
Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 449
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................449
Important Points to Remember............................................................................................................................. 450
Example Scenarios.................................................................................................................................................. 450
Conguring wavelength for 10–Gigabit SFP+ optics.................................................................................................451
Link Dampening..............................................................................................................................................................452
Important Points to Remember............................................................................................................................. 452
Conguration Example of Link Dampening...........................................................................................................453
Enabling Link Dampening........................................................................................................................................455
Link Bundle Monitoring................................................................................................................................................. 456
Using Ethernet Pause Frames for Flow Control........................................................................................................ 457
Enabling Pause Frames........................................................................................................................................... 457
Congure the MTU Size on an Interface....................................................................................................................458
Port-Pipes.......................................................................................................................................................................459
Auto-Negotiation on Ethernet Interfaces...................................................................................................................459
Setting the speed to 10/100/1000 Mbps on SFP-1G-T transceiver..................................................................459
Setting the Speed of Ethernet Interfaces............................................................................................................459
Set Auto-Negotiation Options................................................................................................................................ 461
View Advanced Interface Information..........................................................................................................................461
Conguring the Interface Sampling Size.............................................................................................................. 462
Conguring the Trac Sampling Size Globally...........................................................................................................463
Dynamic Counters......................................................................................................................................................... 465
Clearing Interface Counters................................................................................................................................... 465
Discard Counters........................................................................................................................................................... 466
Display discard counters......................................................................................................................................... 466
23 Internet Protocol Security (IPSec).......................................................................................................... 468
Conguring IPSec .........................................................................................................................................................468
24 IPv4 Routing............................................................................................................................................ 470
IP Addresses....................................................................................................................................................................471
Implementation Information.....................................................................................................................................471
Conguration Tasks for IP Addresses.......................................................................................................................... 471
Assigning IP Addresses to an Interface........................................................................................................................471
Conguring Static Routes.............................................................................................................................................472
Congure Static Routes for the Management Interface.......................................................................................... 473
IPv4 Path MTU Discovery Overview...........................................................................................................................474
Packet handling during MTU mismatch................................................................................................................ 474
Using the Congured Source IP Address in ICMP Messages.................................................................................. 474
Conguring the ICMP Source Interface................................................................................................................474
Conguring the Duration to Establish a TCP Connection........................................................................................ 475
Enabling Directed Broadcast........................................................................................................................................ 475
Contents
15
Resolution of Host Names............................................................................................................................................476
Enabling Dynamic Resolution of Host Names............................................................................................................ 476
Specifying the Local System Domain and a List of Domains....................................................................................476
Conguring DNS with Traceroute................................................................................................................................477
ARP..................................................................................................................................................................................478
Conguration Tasks for ARP........................................................................................................................................ 478
Conguring Static ARP Entries....................................................................................................................................478
Enabling Proxy ARP.......................................................................................................................................................479
Clearing ARP Cache...................................................................................................................................................... 479
ARP Learning via Gratuitous ARP................................................................................................................................479
Enabling ARP Learning via Gratuitous ARP................................................................................................................479
ARP Learning via ARP Request................................................................................................................................... 480
Conguring ARP Retries...............................................................................................................................................480
ICMP................................................................................................................................................................................ 481
Conguration Tasks for ICMP.......................................................................................................................................481
Enabling ICMP Unreachable Messages....................................................................................................................... 481
ICMP Redirects...............................................................................................................................................................481
UDP Helper.....................................................................................................................................................................483
Congure UDP Helper.............................................................................................................................................483
Important Points to Remember............................................................................................................................. 483
Enabling UDP Helper.....................................................................................................................................................483
Congurations Using UDP Helper............................................................................................................................... 483
UDP Helper with Broadcast-All Addresses.................................................................................................................484
UDP Helper with Subnet Broadcast Addresses.........................................................................................................484
UDP Helper with Congured Broadcast Addresses..................................................................................................485
UDP Helper with No Congured Broadcast Addresses............................................................................................485
Troubleshooting UDP Helper........................................................................................................................................486
25 IPv6 Routing............................................................................................................................................ 487
Protocol Overview......................................................................................................................................................... 487
Extended Address Space........................................................................................................................................488
Stateless Autoconguration................................................................................................................................... 488
IPv6 Headers............................................................................................................................................................488
IPv6 Header Fields...................................................................................................................................................489
Extension Header Fields.......................................................................................................................................... 491
Addressing................................................................................................................................................................ 492
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 493
ICMPv6...........................................................................................................................................................................494
Path MTU discovery..................................................................................................................................................... 495
IPv6 Neighbor Discovery..............................................................................................................................................495
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................496
Conguration Task List for IPv6 RDNSS.................................................................................................................... 496
Conguring the IPv6 Recursive DNS Server....................................................................................................... 496
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 497
Displaying IPv6 RDNSS Information......................................................................................................................498
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 498
16
Contents
Conguration Tasks for IPv6........................................................................................................................................499
Adjusting Your CAM-Prole....................................................................................................................................499
Assigning an IPv6 Address to an Interface...........................................................................................................500
Assigning a Static IPv6 Route................................................................................................................................500
Conguring Telnet with IPv6.................................................................................................................................. 501
SNMP over IPv6...................................................................................................................................................... 501
Displaying IPv6 Information.....................................................................................................................................501
Displaying an IPv6 Interface Information.............................................................................................................. 502
Showing IPv6 Routes..............................................................................................................................................502
Showing the Running-Conguration for an Interface.........................................................................................504
Clearing IPv6 Routes...............................................................................................................................................504
Disabling ND Entry Timeout...................................................................................................................................504
Conguring IPv6 RA Guard..........................................................................................................................................505
Conguring IPv6 RA Guard on an Interface.........................................................................................................506
Monitoring IPv6 RA Guard......................................................................................................................................507
26 iSCSI Optimization.................................................................................................................................. 508
iSCSI Optimization Overview.......................................................................................................................................508
Monitoring iSCSI Trac Flows................................................................................................................................510
Application of Quality of Service to iSCSI Trac Flows...................................................................................... 510
Information Monitored in iSCSI Trac Flows........................................................................................................510
Detection and Auto-Conguration for Dell EqualLogic Arrays.............................................................................511
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................. 511
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer..................................................................512
Enable and Disable iSCSI Optimization..................................................................................................................512
Default iSCSI Optimization Values................................................................................................................................513
iSCSI Optimization Prerequisites.................................................................................................................................. 513
Conguring iSCSI Optimization.................................................................................................................................... 513
Displaying iSCSI Optimization Information.................................................................................................................. 515
27 Intermediate System to Intermediate System........................................................................................... 517
IS-IS Protocol Overview.................................................................................................................................................517
IS-IS Addressing..............................................................................................................................................................517
Multi-Topology IS-IS....................................................................................................................................................... 518
Transition Mode........................................................................................................................................................ 518
Interface Support..................................................................................................................................................... 519
Adjacencies............................................................................................................................................................... 519
Graceful Restart............................................................................................................................................................. 519
Timers........................................................................................................................................................................ 519
Implementation Information.......................................................................................................................................... 519
Conguration Information.............................................................................................................................................520
Conguration Tasks for IS-IS.................................................................................................................................. 521
Conguring the Distance of a Route.....................................................................................................................528
Changing the IS-Type.............................................................................................................................................. 529
Redistributing IPv4 Routes......................................................................................................................................531
Redistributing IPv6 Routes.....................................................................................................................................532
Contents
17
Conguring Authentication Passwords.................................................................................................................533
Setting the Overload Bit......................................................................................................................................... 533
Debugging IS-IS....................................................................................................................................................... 534
IS-IS Metric Styles.........................................................................................................................................................535
Congure Metric Values............................................................................................................................................... 535
Maximum Values in the Routing Table.................................................................................................................. 535
Change the IS-IS Metric Style in One Level Only................................................................................................535
Leaks from One Level to Another.......................................................................................................................... 537
Sample Congurations..................................................................................................................................................538
28 Link Aggregation Control Protocol (LACP).............................................................................................. 540
Introduction to Dynamic LAGs and LACP.................................................................................................................. 540
Important Points to Remember............................................................................................................................. 540
LACP Modes.............................................................................................................................................................541
Conguring LACP Commands................................................................................................................................541
LACP Conguration Tasks............................................................................................................................................542
Creating a LAG.........................................................................................................................................................542
Conguring the LAG Interfaces as Dynamic........................................................................................................542
Setting the LACP Long Timeout............................................................................................................................543
Monitoring and Debugging LACP..........................................................................................................................543
Shared LAG State Tracking.......................................................................................................................................... 544
Conguring Shared LAG State Tracking...............................................................................................................544
Important Points about Shared LAG State Tracking...........................................................................................546
LACP Basic Conguration Example............................................................................................................................ 546
Congure a LAG on ALPHA................................................................................................................................... 546
29 Layer 2.................................................................................................................................................... 555
Manage the MAC Address Table.................................................................................................................................555
Clearing the MAC Address Table...........................................................................................................................555
Setting the Aging Time for Dynamic Entries........................................................................................................555
Conguring a Static MAC Address........................................................................................................................556
Displaying the MAC Address Table........................................................................................................................556
MAC Learning Limit.......................................................................................................................................................556
Setting the MAC Learning Limit.............................................................................................................................557
mac learning-limit Dynamic.....................................................................................................................................557
mac learning-limit mac-address-sticky................................................................................................................. 557
mac learning-limit station-move............................................................................................................................ 558
mac learning-limit no-station-move...................................................................................................................... 558
Learning Limit Violation Actions.............................................................................................................................558
Setting Station Move Violation Actions................................................................................................................ 559
Recovering from Learning Limit and Station Move Violations...........................................................................559
Disabling MAC Address Learning on the System................................................................................................ 560
Enabling port security............................................................................................................................................. 560
NIC Teaming...................................................................................................................................................................560
Congure Redundant Pairs........................................................................................................................................... 561
Important Points about Conguring Redundant Pairs........................................................................................ 563
18
Contents
Far-End Failure Detection.............................................................................................................................................564
FEFD State Changes...............................................................................................................................................565
Conguring FEFD.................................................................................................................................................... 566
Enabling FEFD on an Interface.............................................................................................................................. 566
Debugging FEFD......................................................................................................................................................567
30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 569
802.1AB (LLDP) Overview........................................................................................................................................... 569
Protocol Data Units................................................................................................................................................. 569
Optional TLVs................................................................................................................................................................. 570
Management TLVs...................................................................................................................................................570
TIA-1057 (LLDP-MED) Overview.................................................................................................................................572
TIA Organizationally Specic TLVs........................................................................................................................ 572
Congure LLDP..............................................................................................................................................................576
Related Conguration Tasks................................................................................................................................... 576
Important Points to Remember..............................................................................................................................576
LLDP Compatibility.................................................................................................................................................. 577
CONFIGURATION versus INTERFACE Congurations.............................................................................................577
Enabling LLDP................................................................................................................................................................ 577
Disabling and Undoing LLDP.................................................................................................................................. 578
Enabling LLDP on Management Ports........................................................................................................................ 578
Disabling and Undoing LLDP on Management Ports.......................................................................................... 578
Advertising TLVs............................................................................................................................................................ 578
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................580
Reserved Unrecognized LLDP TLVs..................................................................................................................... 580
Organizational Specic Unrecognized LLDP TLVs..............................................................................................580
Viewing Unrecognized LLDP TLVs........................................................................................................................580
Viewing the LLDP Conguration.................................................................................................................................. 581
Viewing Information Advertised by Adjacent LLDP Neighbors.................................................................................581
Examples of Viewing Information Advertised by Neighbors............................................................................... 581
Conguring LLDPDU Intervals.....................................................................................................................................583
Conguring LLDP Notication Interval....................................................................................................................... 584
Conguring LLDP Notication Interval....................................................................................................................... 584
Conguring Transmit and Receive Mode....................................................................................................................584
Conguring the Time to Live Value............................................................................................................................. 585
Debugging LLDP............................................................................................................................................................586
Relevant Management Objects....................................................................................................................................587
31 Microsoft Network Load Balancing...........................................................................................................592
NLB Unicast Mode Scenario........................................................................................................................................592
NLB Multicast Mode Scenario.....................................................................................................................................592
Limitations of the NLB Feature....................................................................................................................................593
Microsoft Clustering......................................................................................................................................................593
Enable and Disable VLAN Flooding ............................................................................................................................ 593
Conguring a Switch for NLB .....................................................................................................................................593
Enabling a Switch for Multicast NLB.................................................................................................................... 594
Contents
19
32 Multicast Source Discovery Protocol (MSDP).........................................................................................595
Protocol Overview.........................................................................................................................................................595
Anycast RP.....................................................................................................................................................................596
Implementation Information..........................................................................................................................................597
Congure Multicast Source Discovery Protocol........................................................................................................ 597
Related Conguration Tasks................................................................................................................................... 597
Enable MSDP..................................................................................................................................................................601
Manage the Source-Active Cache.............................................................................................................................. 602
Viewing the Source-Active Cache.........................................................................................................................602
Limiting the Source-Active Cache.........................................................................................................................602
Clearing the Source-Active Cache........................................................................................................................ 603
Enabling the Rejected Source-Active Cache....................................................................................................... 603
Accept Source-Active Messages that Fail the RFP Check......................................................................................603
Specifying Source-Active Messages...........................................................................................................................606
Limiting the Source-Active Messages from a Peer...................................................................................................607
Preventing MSDP from Caching a Local Source.......................................................................................................607
Preventing MSDP from Caching a Remote Source.................................................................................................. 608
Preventing MSDP from Advertising a Local Source................................................................................................. 608
Logging Changes in Peership States...........................................................................................................................609
Terminating a Peership..................................................................................................................................................609
Clearing Peer Statistics................................................................................................................................................. 610
Debugging MSDP...........................................................................................................................................................610
MSDP with Anycast RP................................................................................................................................................. 611
Conguring Anycast RP................................................................................................................................................ 612
Reducing Source-Active Message Flooding......................................................................................................... 613
Specifying the RP Address Used in SA Messages...............................................................................................613
MSDP Sample Congurations...................................................................................................................................... 615
36 Multicast Listener Discovery Protocol...................................................................................................... 618
MLD Version 1................................................................................................................................................................. 618
MLD Querier Router.......................................................................................................................................................618
Joining a Multicast Group..............................................................................................................................................619
Leaving a Multicast Group.............................................................................................................................................619
MLD version 2.................................................................................................................................................................619
MLD timers......................................................................................................................................................................621
Reducing Host Response Burstiness.................................................................................................................... 622
Conguring MLD Version..............................................................................................................................................622
Clearing MLD groups.....................................................................................................................................................622
Debugging MLD.............................................................................................................................................................622
Explicit Tracking............................................................................................................................................................. 622
Reducing Leave Latency...............................................................................................................................................623
Displaying MLD groups table........................................................................................................................................623
Displaying MLD Interfaces............................................................................................................................................ 623
34 Multiple Spanning Tree Protocol (MSTP).................................................................................................624
20
Contents
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
/