2. Computers & electronics
  3. Software
  4. Dell
  5. PowerSwitch S4048T-ON
PowerSwitch S4048T-ON

Dell PowerSwitch S4048T-ON User guide

  • Hello! I am an AI chatbot trained to assist you with the Dell PowerSwitch S4048T-ON User guide. 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 EMC Conguration Guide for the S4048T–
ON System
9.14.0.0
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.
Copyright © 2018 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.
2018 - 07
Rev. A00
Contents
1 About this Guide...........................................................................................................................................37
Audience............................................................................................................................................................................37
Conventions...................................................................................................................................................................... 37
Related Documents..........................................................................................................................................................37
2 Conguration Fundamentals........................................................................................................................ 38
Accessing the Command Line........................................................................................................................................38
CLI Modes.........................................................................................................................................................................38
Navigating CLI Modes...............................................................................................................................................40
The do Command............................................................................................................................................................ 43
Undoing Commands........................................................................................................................................................ 43
Obtaining Help..................................................................................................................................................................44
Entering and Editing Commands....................................................................................................................................44
Command History............................................................................................................................................................45
Filtering show Command Outputs.................................................................................................................................45
Example of the grep Keyword.................................................................................................................................. 45
Multiple Users in Conguration Mode...........................................................................................................................46
3 Getting Started............................................................................................................................................47
Console Access................................................................................................................................................................48
Serial Console.............................................................................................................................................................48
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................49
Entering CLI commands Using an SSH Connection..............................................................................................49
Executing Local CLI Scripts Using an SSH Connection........................................................................................49
Default Conguration...................................................................................................................................................... 50
Conguring a Host Name............................................................................................................................................... 50
Accessing the System Remotely................................................................................................................................... 50
Accessing the System Remotely............................................................................................................................. 50
Congure the Management Port IP Address.........................................................................................................50
Congure a Management Route...............................................................................................................................51
Conguring a Username and Password...................................................................................................................51
Conguring the Enable Password..................................................................................................................................52
Conguration File Management.....................................................................................................................................52
Copy Files to and from the System......................................................................................................................... 53
Mounting an NFS File System..................................................................................................................................53
Save the Running-Conguration............................................................................................................................. 55
Congure the Overload Bit for a Startup Scenario............................................................................................... 56
Viewing Files...............................................................................................................................................................56
Compressing Conguration Files..............................................................................................................................57
Managing the File System.............................................................................................................................................. 59
Enabling Software Features on Devices Using a Command Option......................................................................... 60
View Command History................................................................................................................................................... 61
Contents
3
Upgrading Dell EMC Networking OS............................................................................................................................. 61
Verify Software Images Before Installation....................................................................................................................61
Using HTTP for File Transfers........................................................................................................................................ 62
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
Restoring the Factory Default Settings........................................................................................................................ 86
Important Points to Remember................................................................................................................................87
Restoring Factory Default Environment Variables..................................................................................................87
Viewing the Reason for Last System Reboot...............................................................................................................88
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 Request Identity Re-Transmissions...........................................................................................................95
Conguring a Quiet Period after a Failed Authentication..................................................................................... 96
Forcibly Authorizing or Unauthorizing a Port................................................................................................................97
Re-Authenticating a Port................................................................................................................................................ 97
Conguring Timeouts......................................................................................................................................................98
Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 99
Guest and Authentication-Fail VLANs.........................................................................................................................100
Conguring a Guest VLAN...................................................................................................................................... 101
Conguring an Authentication-Fail VLAN..............................................................................................................101
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 103
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 103
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 104
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................104
Conguring ACL VLAN Groups.............................................................................................................................. 104
Conguring FP Blocks for VLAN Parameters.......................................................................................................105
Viewing CAM Usage...................................................................................................................................................... 106
Allocating FP Blocks for VLAN Processes...................................................................................................................107
Unied Forwarding Table (UFT) Modes...................................................................................................................... 108
Conguring UFT Modes.......................................................................................................................................... 108
7 Access Control Lists (ACLs)....................................................................................................................... 109
IP Access Control Lists (ACLs)......................................................................................................................................110
CAM Usage.................................................................................................................................................................111
Implementing ACLs on Dell EMC Networking OS................................................................................................. 111
Important Points to Remember.....................................................................................................................................113
Conguration Task List for Route Maps.................................................................................................................113
Conguring Match Routes.......................................................................................................................................115
Conguring Set Conditions...................................................................................................................................... 117
Congure a Route Map for Route Redistribution..................................................................................................118
Contents
5
Congure a Route Map for Route Tagging............................................................................................................ 118
Continue Clause........................................................................................................................................................ 119
IP Fragment Handling..................................................................................................................................................... 119
IP Fragments ACL Examples................................................................................................................................... 119
Layer 4 ACL Rules Examples...................................................................................................................................120
Congure a Standard IP ACL........................................................................................................................................120
Conguring a Standard IP ACL Filter......................................................................................................................121
Congure an Extended IP ACL..................................................................................................................................... 122
Conguring Filters with a Sequence Number....................................................................................................... 122
Conguring Filters Without a Sequence Number.................................................................................................124
Congure Layer 2 and Layer 3 ACLs............................................................................................................................124
Assign an IP ACL to an Interface..................................................................................................................................125
Applying an IP ACL.........................................................................................................................................................125
Counting ACL Hits....................................................................................................................................................126
Congure Ingress ACLs................................................................................................................................................. 126
Congure Egress ACLs.................................................................................................................................................. 127
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 128
IP Prex Lists.................................................................................................................................................................. 128
Implementation Information.................................................................................................................................... 129
Conguration Task List for Prex Lists.................................................................................................................. 129
ACL Remarks.................................................................................................................................................................. 132
Conguring a Remark.............................................................................................................................................. 132
Deleting a Remark.................................................................................................................................................... 133
ACL Resequencing......................................................................................................................................................... 134
Resequencing an ACL or Prex List.......................................................................................................................134
Route Maps.....................................................................................................................................................................135
Implementation Information.................................................................................................................................... 135
Logging of ACL Processes............................................................................................................................................ 136
Guidelines for Conguring ACL Logging................................................................................................................137
Conguring ACL Logging.........................................................................................................................................137
Flow-Based Monitoring..................................................................................................................................................138
Behavior of Flow-Based Monitoring.......................................................................................................................138
Enabling Flow-Based Monitoring............................................................................................................................139
Conguring UDF ACL.................................................................................................................................................... 140
Conguring IP Mirror Access Group............................................................................................................................ 143
Sample Conguration...............................................................................................................................................144
Example of viewing IP mirror–access–group applied to an Interface................................................................144
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 145
How BFD Works............................................................................................................................................................. 145
BFD Packet Format..................................................................................................................................................146
BFD Sessions............................................................................................................................................................ 147
BFD Three-Way Handshake.................................................................................................................................... 148
Session State Changes............................................................................................................................................150
Important Points to Remember....................................................................................................................................150
Congure BFD................................................................................................................................................................ 150
6
Contents
Congure BFD for Physical Ports........................................................................................................................... 151
Congure BFD for Static Routes............................................................................................................................152
Congure BFD for IPv6 Static Routes...................................................................................................................156
Congure BFD for OSPF.........................................................................................................................................158
Congure BFD for OSPFv3.....................................................................................................................................163
Congure BFD for IS-IS...........................................................................................................................................166
Congure BFD for BGP...........................................................................................................................................168
Congure BFD for VRRP.........................................................................................................................................176
Conguring Protocol Liveness................................................................................................................................ 178
9 Border Gateway Protocol (BGP)................................................................................................................ 179
Border Gateway Protocol version 4 (BGPv4).............................................................................................................179
Autonomous Systems (AS)........................................................................................................................................... 179
AS4 Number Representation................................................................................................................................... 181
Four-Byte AS Numbers............................................................................................................................................183
Multiprotocol BGP..........................................................................................................................................................183
MBGP for IPv4 MulticastBGP Address Family modelIPv4 and IPv6 address family....................................... 184
Sessions and Peers.........................................................................................................................................................184
Establish a Session................................................................................................................................................... 184
Implementing BGP global and address family.............................................................................................................185
BGP global conguration default values................................................................................................................186
BGP Attributes for selecting Best Path.......................................................................................................................186
Best Path Selection Criteria.................................................................................................................................... 187
Weight........................................................................................................................................................................188
Local Preference.......................................................................................................................................................189
Multi-Exit Discriminators (MEDs)...........................................................................................................................189
Origin..........................................................................................................................................................................190
AS Path.......................................................................................................................................................................191
Next Hop....................................................................................................................................................................191
Implement BGP with Dell EMC Networking OS.........................................................................................................192
Additional Path (Add-Path) Support......................................................................................................................192
Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 192
Ignore Router-ID in Best-Path Calculation............................................................................................................ 193
AS Number Migration.............................................................................................................................................. 193
BGP4 Management Information Base (MIB)........................................................................................................194
Important Points to Remember.............................................................................................................................. 194
Conguration Information............................................................................................................................................. 195
Conguring a basic BGP network................................................................................................................................ 195
Enabling BGP............................................................................................................................................................ 195
Conguring a BGP peer...........................................................................................................................................198
Conguring AS4 Number Representations...........................................................................................................199
Conguring a BGP VRF address family................................................................................................................ 200
Route-refresh and Soft-reconguration............................................................................................................... 202
Aggregating Routes.................................................................................................................................................205
Filtering BGP Routes...............................................................................................................................................205
Filtering BGP Routes Using Route Maps..............................................................................................................207
Contents
7
Filtering BGP Routes Using AS-PATH Information..............................................................................................207
Conguring Peer Groups........................................................................................................................................ 208
Conguring BGP Fast Fall-Over.............................................................................................................................216
Conguring Passive Peering....................................................................................................................................217
Maintaining Existing AS Numbers During an AS Migration................................................................................. 218
Allowing an AS Number to Appear in its Own AS Path....................................................................................... 219
Enabling Graceful Restart.......................................................................................................................................220
Filtering on an AS-Path Attribute........................................................................................................................... 221
Regular Expressions as Filters................................................................................................................................222
Redistributing Routes..............................................................................................................................................223
Enabling Additional Paths........................................................................................................................................224
Conguring IP Community Lists............................................................................................................................ 224
Conguring an IP Extended Community List....................................................................................................... 225
Filtering Routes with Community Lists................................................................................................................. 226
Manipulating the COMMUNITY Attribute............................................................................................................ 227
Changing MED Attributes.......................................................................................................................................228
Changing the LOCAL_PREFERENCE Attribute..................................................................................................229
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 229
Changing the WEIGHT Attribute...........................................................................................................................230
Enabling Multipath...................................................................................................................................................230
Route Reectors.......................................................................................................................................................231
Conguring BGP Confederations.......................................................................................................................... 232
Enabling Route Flap Dampening............................................................................................................................ 232
Changing BGP Timers.............................................................................................................................................235
Setting the extended timer.................................................................................................................................... 235
Enabling or disabling BGP neighbors.....................................................................................................................236
Route Map Continue................................................................................................................................................237
Enabling MBGP Congurations................................................................................................................................... 238
MBGP support for IPv6................................................................................................................................................238
Conguring IPv6 MBGP between peers.................................................................................................................... 238
Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 239
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor................................................ 241
BGP Regular Expression Optimization........................................................................................................................ 243
Debugging BGP..............................................................................................................................................................243
Storing Last and Bad PDUs....................................................................................................................................244
Capturing PDUs....................................................................................................................................................... 245
PDU Counters.......................................................................................................................................................... 246
10 Content Addressable Memory (CAM).......................................................................................................247
CAM Allocation...............................................................................................................................................................247
Test CAM Usage............................................................................................................................................................249
View CAM-ACL Settings.............................................................................................................................................. 249
View CAM Usage............................................................................................................................................................251
Conguring CAM Threshold and Silence Period.........................................................................................................251
Setting CAM Threshold and Silence Period......................................................................................................... 252
CAM Optimization......................................................................................................................................................... 253
8
Contents
Troubleshoot CAM Proling..........................................................................................................................................253
QoS CAM Region Limitation...................................................................................................................................253
11 Control Plane Policing (CoPP).................................................................................................................. 254
Congure Control Plane Policing................................................................................................................................. 255
Conguring CoPP for Protocols............................................................................................................................ 256
Conguring CoPP for CPU Queues...................................................................................................................... 258
CoPP for OSPFv3 Packets.....................................................................................................................................259
Conguring CoPP for OSPFv3.............................................................................................................................. 262
Displaying CoPP Conguration ............................................................................................................................. 262
12 Data Center Bridging (DCB).....................................................................................................................265
Ethernet Enhancements in Data Center Bridging..................................................................................................... 265
Priority-Based Flow Control................................................................................................................................... 266
Enhanced Transmission Selection..........................................................................................................................267
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................268
Data Center Bridging in a Trac Flow.................................................................................................................. 269
Enabling Data Center Bridging.....................................................................................................................................269
DCB Maps and its Attributes..................................................................................................................................270
Data Center Bridging: Default Conguration...............................................................................................................271
Conguring Priority-Based Flow Control.....................................................................................................................271
Conguring Lossless Queues..................................................................................................................................272
Conguring PFC in a DCB Map....................................................................................................................................273
PFC Conguration Notes........................................................................................................................................273
PFC Prerequisites and Restrictions....................................................................................................................... 274
Applying a DCB Map on a Port.....................................................................................................................................274
Conguring PFC without a DCB Map.........................................................................................................................275
Conguring Lossless QueuesExample:..................................................................................................................275
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................277
Pause and Resume of Trac.................................................................................................................................. 277
Buer Sizes for Lossless or PFC Packets.............................................................................................................277
Behavior of Tagged Packets......................................................................................................................................... 278
Conguration Example for DSCP and PFC Priorities................................................................................................278
Using PFC to Manage Converged Ethernet Trac...................................................................................................279
Congure Enhanced Transmission Selection..............................................................................................................279
ETS Prerequisites and Restrictions........................................................................................................................279
Creating an ETS Priority Group............................................................................................................................. 280
ETS Operation with DCBx.......................................................................................................................................281
Conguring Bandwidth Allocation for DCBx CIN................................................................................................. 281
Conguring ETS in a DCB Map..............................................................................................................................282
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 283
Using ETS to Manage Converged Ethernet Trac...................................................................................................284
Applying DCB Policies in a Switch Stack.................................................................................................................... 284
Congure a DCBx Operation........................................................................................................................................284
DCBx Operation....................................................................................................................................................... 284
DCBx Port Roles......................................................................................................................................................285
Contents
9
DCB Conguration Exchange................................................................................................................................ 286
Conguration Source Election................................................................................................................................286
Propagation of DCB Information............................................................................................................................287
Auto-Detection and Manual Conguration of the DCBx Version.......................................................................287
DCBx Example..........................................................................................................................................................288
DCBx Prerequisites and Restrictions.....................................................................................................................288
Conguring DCBx....................................................................................................................................................289
Verifying the DCB Conguration................................................................................................................................. 292
QoS dot1p Trac Classication and Queue Assignment..........................................................................................302
Conguring the Dynamic Buer Method................................................................................................................... 303
Sample DCB Conguration...........................................................................................................................................304
PFC and ETS Conguration Command Examples.............................................................................................. 305
13 Dynamic Host Conguration Protocol (DHCP).........................................................................................306
DHCP Packet Format and Options............................................................................................................................. 306
Assign an IP Address using DHCP...............................................................................................................................308
Implementation Information......................................................................................................................................... 309
Congure the System to be a DHCP Server............................................................................................................. 309
Conguring the Server for Automatic Address Allocation.................................................................................. 310
Specifying a Default Gateway..................................................................................................................................311
Congure a Method of Hostname Resolution...................................................................................................... 312
Using DNS for Address Resolution.........................................................................................................................312
Using NetBIOS WINS for Address Resolution...................................................................................................... 312
Creating Manual Binding Entries.............................................................................................................................312
Debugging the DHCP Server..................................................................................................................................313
Using DHCP Clear Commands............................................................................................................................... 313
Congure the System to be a Relay Agent................................................................................................................. 313
Congure the System to be a DHCP Client................................................................................................................315
Conguring the DHCP Client System....................................................................................................................315
DHCP Client on a Management Interface.............................................................................................................317
DHCP Client Operation with Other Features........................................................................................................317
DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................318
Conguring Route Leaking between VRFs on DHCP Relay Agent.................................................................... 318
Congure the System for User Port Stacking (Option 230).................................................................................... 319
Congure Secure DHCP...............................................................................................................................................320
Option 82..................................................................................................................................................................320
DHCP Snooping........................................................................................................................................................321
Drop DHCP Packets on Snooped VLANs Only....................................................................................................325
Dynamic ARP Inspection.........................................................................................................................................326
Conguring Dynamic ARP Inspection....................................................................................................................327
Source Address Validation............................................................................................................................................ 328
Enabling IP Source Address Validation.................................................................................................................. 328
DHCP MAC Source Address Validation................................................................................................................ 329
Enabling IP+MAC Source Address Validation.......................................................................................................329
Viewing the Number of SAV Dropped Packets................................................................................................... 330
Clearing the Number of SAV Dropped Packets...................................................................................................330
10
Contents
14 Equal Cost Multi-Path (ECMP).................................................................................................................331
ECMP for Flow-Based Anity......................................................................................................................................331
Conguring the Hash Algorithm............................................................................................................................. 331
Enabling Deterministic ECMP Next Hop............................................................................................................... 331
Conguring the Hash Algorithm Seed.................................................................................................................. 332
Link Bundle Monitoring................................................................................................................................................. 332
Managing ECMP Group Paths...............................................................................................................................333
Creating an ECMP Group Bundle.......................................................................................................................... 333
Modifying the ECMP Group Threshold.................................................................................................................333
RTAG7............................................................................................................................................................................. 334
Flow-based Hashing for ECMP................................................................................................................................... 335
15 FIP Snooping............................................................................................................................................338
Fibre Channel over Ethernet........................................................................................................................................ 338
Ensure Robustness in a Converged Ethernet Network............................................................................................ 338
FIP Snooping on Ethernet Bridges..............................................................................................................................340
FIP Snooping in a Switch Stack...................................................................................................................................342
Using FIP Snooping....................................................................................................................................................... 342
FIP Snooping Prerequisites.....................................................................................................................................342
Important Points to Remember..............................................................................................................................342
Enabling the FCoE Transit Feature........................................................................................................................343
Enable FIP Snooping on VLANs.............................................................................................................................344
Congure the FC-MAP Value................................................................................................................................ 344
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................344
Congure a Port for a Bridge-to-FCF Link...........................................................................................................344
Impact on Other Software Features..................................................................................................................... 344
FIP Snooping Restrictions...................................................................................................................................... 345
Conguring FIP Snooping.......................................................................................................................................345
Displaying FIP Snooping Information...........................................................................................................................346
FCoE Transit Conguration Example........................................................................................................................... 351
16 FIPS Cryptography...................................................................................................................................353
Conguration Tasks....................................................................................................................................................... 353
Preparing the System....................................................................................................................................................353
Enabling FIPS Mode...................................................................................................................................................... 354
Generating Host-Keys...................................................................................................................................................354
Monitoring FIPS Mode Status......................................................................................................................................354
Disabling FIPS Mode..................................................................................................................................................... 355
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 356
Protocol Overview.........................................................................................................................................................356
Ring Status............................................................................................................................................................... 357
Multiple FRRP Rings................................................................................................................................................357
Important FRRP Points...........................................................................................................................................358
Important FRRP Concepts.....................................................................................................................................359
Contents
11
Implementing FRRP...................................................................................................................................................... 360
FRRP Conguration...................................................................................................................................................... 360
Creating the FRRP Group...................................................................................................................................... 360
Conguring the Control VLAN................................................................................................................................361
Conguring and Adding the Member VLANs.......................................................................................................362
Setting the FRRP Timers........................................................................................................................................363
Clearing the FRRP Counters..................................................................................................................................363
Viewing the FRRP Conguration...........................................................................................................................363
Viewing the FRRP Information...............................................................................................................................363
Troubleshooting FRRP.................................................................................................................................................. 364
Conguration Checks..............................................................................................................................................364
Sample Conguration and Topology............................................................................................................................364
FRRP Support on VLT.................................................................................................................................................. 365
Example Scenario.................................................................................................................................................... 366
Important Points to Remember..............................................................................................................................367
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................368
Important Points to Remember................................................................................................................................... 368
Congure GVRP............................................................................................................................................................ 369
Related Conguration Tasks...................................................................................................................................369
Enabling GVRP Globally................................................................................................................................................ 370
Enabling GVRP on a Layer 2 Interface........................................................................................................................370
Congure GVRP Registration.......................................................................................................................................370
Congure a GARP Timer............................................................................................................................................... 371
RPM Redundancy...........................................................................................................................................................371
19 High Availability (HA)................................................................................................................................373
Component Redundancy.............................................................................................................................................. 373
Automatic and Manual Stack Unit Failover...........................................................................................................373
Synchronization between Management and Standby Units...............................................................................374
Forcing a Stack Unit Failover..................................................................................................................................374
Specifying an Auto-Failover Limit.......................................................................................................................... 375
Disabling Auto-Reboot............................................................................................................................................ 375
Pre-Conguring a Stack Unit Slot............................................................................................................................... 375
Removing a Provisioned Logical Stack Unit............................................................................................................... 375
Hitless Behavior..............................................................................................................................................................375
Graceful Restart.............................................................................................................................................................376
Software Resiliency....................................................................................................................................................... 376
Software Component Health Monitoring..............................................................................................................376
System Health Monitoring...................................................................................................................................... 376
Failure and Event Logging.......................................................................................................................................377
Hot-Lock Behavior......................................................................................................................................................... 377
20 Internet Group Management Protocol (IGMP)......................................................................................... 378
IGMP Implementation Information...............................................................................................................................378
IGMP Protocol Overview.............................................................................................................................................. 378
12
Contents
IGMP Version 2........................................................................................................................................................ 378
IGMP Version 3........................................................................................................................................................380
Congure IGMP............................................................................................................................................................. 383
Related Conguration Tasks...................................................................................................................................383
Viewing IGMP Enabled Interfaces............................................................................................................................... 384
Selecting an IGMP Version...........................................................................................................................................384
Viewing IGMP Groups...................................................................................................................................................385
Adjusting Timers............................................................................................................................................................ 385
Adjusting Query and Response Timers................................................................................................................. 385
Preventing a Host from Joining a Group.................................................................................................................... 386
Enabling IGMP Immediate-Leave.................................................................................................................................389
IGMP Snooping..............................................................................................................................................................389
IGMP Snooping Implementation Information....................................................................................................... 389
Conguring IGMP Snooping...................................................................................................................................389
Removing a Group-Port Association.....................................................................................................................390
Disabling Multicast Flooding...................................................................................................................................390
Specifying a Port as Connected to a Multicast Router....................................................................................... 391
Conguring the Switch as Querier.........................................................................................................................391
Fast Convergence after MSTP Topology Changes...................................................................................................392
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................392
Protocol Separation.................................................................................................................................................392
Enabling and Disabling Management Egress Interface Selection...................................................................... 393
Handling of Management Route Conguration................................................................................................... 394
Handling of Switch-Initiated Trac.......................................................................................................................395
Handling of Switch-Destined Trac..................................................................................................................... 395
Handling of Transit Trac (Trac Separation).................................................................................................... 396
Mapping of Management Applications and Trac Type.....................................................................................396
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 397
Behavior of Various Applications for Switch-Destined Trac ...........................................................................398
Interworking of EIS With Various Applications.....................................................................................................399
Designating a Multicast Router Interface...................................................................................................................399
21 Interfaces..................................................................................................................................................401
Basic Interface Conguration........................................................................................................................................401
Advanced Interface Conguration............................................................................................................................... 401
Interface Types...............................................................................................................................................................402
View Basic Interface Information.................................................................................................................................402
Resetting an Interface to its Factory Default State...................................................................................................404
Enabling a Physical Interface........................................................................................................................................405
Physical Interfaces.........................................................................................................................................................405
Conguration Task List for Physical Interfaces....................................................................................................405
Overview of Layer Modes...................................................................................................................................... 406
Conguring Layer 2 (Data Link) Mode..................................................................................................................406
Conguring Layer 2 (Interface) Mode.................................................................................................................. 406
Conguring Layer 3 (Network) Mode...................................................................................................................407
Conguring Layer 3 (Interface) Mode...................................................................................................................407
Contents
13
Automatic recovery of an Err-disabled interface.......................................................................................................408
Conguring an automatic recovery for an Err-disabled interface......................................................................409
Egress Interface Selection (EIS)..................................................................................................................................409
Important Points to Remember............................................................................................................................. 409
Conguring EIS.........................................................................................................................................................410
Management Interfaces................................................................................................................................................ 410
Conguring Management Interfaces..................................................................................................................... 410
Conguring a Management Interface on an Ethernet Port................................................................................ 412
VLAN Interfaces............................................................................................................................................................. 412
Loopback Interfaces.......................................................................................................................................................413
Null Interfaces................................................................................................................................................................. 414
Port Channel Interfaces.................................................................................................................................................414
Port Channel Denition and Standards..................................................................................................................414
Port Channel Benets..............................................................................................................................................414
Port Channel Implementation................................................................................................................................. 414
Interfaces in Port Channels.....................................................................................................................................415
Conguration Tasks for Port Channel Interfaces................................................................................................. 415
Creating a Port Channel.......................................................................................................................................... 416
Adding a Physical Interface to a Port Channel..................................................................................................... 416
Reassigning an Interface to a New Port Channel.................................................................................................418
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 418
Adding or Removing a Port Channel from a VLAN.............................................................................................. 419
Assigning an IP Address to a Port Channel.......................................................................................................... 420
Deleting or Disabling a Port Channel.....................................................................................................................420
Load Balancing Through Port Channels................................................................................................................420
Changing the Hash Algorithm.................................................................................................................................421
Bulk Conguration.......................................................................................................................................................... 421
Interface Range........................................................................................................................................................ 421
Bulk Conguration Examples..................................................................................................................................422
Dening Interface Range Macros................................................................................................................................ 423
Dene the Interface Range.....................................................................................................................................423
Choosing an Interface-Range Macro.................................................................................................................... 424
Monitoring and Maintaining Interfaces........................................................................................................................424
Maintenance Using TDR......................................................................................................................................... 425
Non Dell-Qualied Transceivers................................................................................................................................... 425
Splitting 40G Ports without Reload.............................................................................................................................426
Splitting QSFP Ports to SFP+ Ports............................................................................................................................427
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................428
Important Points to Remember............................................................................................................................. 429
Example Scenarios...................................................................................................................................................429
Link Dampening..............................................................................................................................................................430
Important Points to Remember.............................................................................................................................. 431
Conguration Example of Link Dampening........................................................................................................... 431
Enabling Link Dampening........................................................................................................................................433
Link Bundle Monitoring................................................................................................................................................. 434
14
Contents
Using Ethernet Pause Frames for Flow Control........................................................................................................ 435
Enabling Pause Frames...........................................................................................................................................435
Congure the MTU Size on an Interface....................................................................................................................436
Port-Pipes.......................................................................................................................................................................437
Auto-Negotiation on Ethernet Interfaces................................................................................................................... 437
Setting the Speed of Ethernet Interfaces.............................................................................................................437
Set Auto-Negotiation Options................................................................................................................................439
View Advanced Interface Information.........................................................................................................................439
Conguring the Interface Sampling Size.............................................................................................................. 440
Conguring the Trac Sampling Size Globally........................................................................................................... 441
Dynamic Counters......................................................................................................................................................... 443
Clearing Interface Counters....................................................................................................................................443
Discard Counters........................................................................................................................................................... 444
Display discard counters......................................................................................................................................... 444
22 Internet Protocol Security (IPSec).......................................................................................................... 446
Conguring IPSec .........................................................................................................................................................446
23 IPv4 Routing............................................................................................................................................448
IP Addresses...................................................................................................................................................................449
Implementation Information....................................................................................................................................449
Conguration Tasks for IP Addresses..........................................................................................................................449
Assigning IP Addresses to an Interface.......................................................................................................................449
Conguring Static Routes............................................................................................................................................ 450
Congure Static Routes for the Management Interface...........................................................................................451
IPv4 Path MTU Discovery Overview.......................................................................................................................... 452
Packet handling during MTU mismatch................................................................................................................452
Using the Congured Source IP Address in ICMP Messages..................................................................................452
Conguring the ICMP Source Interface............................................................................................................... 452
Conguring the Duration to Establish a TCP Connection........................................................................................ 453
Enabling Directed Broadcast........................................................................................................................................ 453
Resolution of Host Names............................................................................................................................................454
Enabling Dynamic Resolution of Host Names............................................................................................................454
Specifying the Local System Domain and a List of Domains................................................................................... 454
Conguring DNS with Traceroute............................................................................................................................... 455
ARP................................................................................................................................................................................. 456
Conguration Tasks for ARP........................................................................................................................................ 456
Conguring Static ARP Entries....................................................................................................................................456
Enabling Proxy ARP.......................................................................................................................................................457
Clearing ARP Cache...................................................................................................................................................... 457
ARP Learning via Gratuitous ARP................................................................................................................................457
Enabling ARP Learning via Gratuitous ARP................................................................................................................457
ARP Learning via ARP Request................................................................................................................................... 458
Conguring ARP Retries...............................................................................................................................................458
ICMP............................................................................................................................................................................... 459
Conguration Tasks for ICMP......................................................................................................................................459
Contents
15
Enabling ICMP Unreachable Messages...................................................................................................................... 459
UDP Helper.....................................................................................................................................................................460
Congure UDP Helper............................................................................................................................................ 460
Important Points to Remember............................................................................................................................. 460
Enabling UDP Helper.....................................................................................................................................................460
Conguring a Broadcast Address................................................................................................................................ 460
Congurations Using UDP Helper................................................................................................................................ 461
UDP Helper with Broadcast-All Addresses................................................................................................................. 461
UDP Helper with Subnet Broadcast Addresses.........................................................................................................462
UDP Helper with Congured Broadcast Addresses..................................................................................................462
UDP Helper with No Congured Broadcast Addresses............................................................................................463
Troubleshooting UDP Helper........................................................................................................................................463
24 IPv6 Routing............................................................................................................................................ 464
Protocol Overview.........................................................................................................................................................464
Extended Address Space........................................................................................................................................465
Stateless Autoconguration................................................................................................................................... 465
IPv6 Headers............................................................................................................................................................465
IPv6 Header Fields...................................................................................................................................................466
Extension Header Fields..........................................................................................................................................468
Addressing................................................................................................................................................................ 469
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 470
ICMPv6............................................................................................................................................................................471
Path MTU discovery......................................................................................................................................................472
IPv6 Neighbor Discovery.............................................................................................................................................. 472
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................473
Conguration Task List for IPv6 RDNSS.....................................................................................................................473
Conguring the IPv6 Recursive DNS Server........................................................................................................473
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 474
Displaying IPv6 RDNSS Information......................................................................................................................475
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 475
Conguration Tasks for IPv6........................................................................................................................................ 476
Adjusting Your CAM-Prole....................................................................................................................................476
Assigning an IPv6 Address to an Interface........................................................................................................... 477
Assigning a Static IPv6 Route................................................................................................................................ 477
Conguring Telnet with IPv6.................................................................................................................................. 478
SNMP over IPv6......................................................................................................................................................478
Displaying IPv6 Information.................................................................................................................................... 478
Displaying an IPv6 Interface Information.............................................................................................................. 479
Showing IPv6 Routes.............................................................................................................................................. 479
Showing the Running-Conguration for an Interface..........................................................................................481
Clearing IPv6 Routes................................................................................................................................................481
Disabling ND Entry Timeout....................................................................................................................................481
Conguring IPv6 RA Guard.......................................................................................................................................... 482
Conguring IPv6 RA Guard on an Interface.........................................................................................................483
Monitoring IPv6 RA Guard......................................................................................................................................484
16
Contents
25 iSCSI Optimization.................................................................................................................................. 485
iSCSI Optimization Overview.......................................................................................................................................485
Monitoring iSCSI Trac Flows............................................................................................................................... 487
Application of Quality of Service to iSCSI Trac Flows......................................................................................487
Information Monitored in iSCSI Trac Flows....................................................................................................... 487
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 488
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................488
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................489
Enable and Disable iSCSI Optimization................................................................................................................. 489
Default iSCSI Optimization Values...............................................................................................................................490
iSCSI Optimization Prerequisites................................................................................................................................. 490
Conguring iSCSI Optimization................................................................................................................................... 490
Displaying iSCSI Optimization Information..................................................................................................................492
26 Intermediate System to Intermediate System.......................................................................................... 494
IS-IS Protocol Overview................................................................................................................................................494
IS-IS Addressing.............................................................................................................................................................494
Multi-Topology IS-IS...................................................................................................................................................... 495
Transition Mode....................................................................................................................................................... 495
Interface Support.....................................................................................................................................................496
Adjacencies...............................................................................................................................................................496
Graceful Restart............................................................................................................................................................ 496
Timers....................................................................................................................................................................... 496
Implementation Information..........................................................................................................................................496
Conguration Information............................................................................................................................................. 497
Conguration Tasks for IS-IS..................................................................................................................................498
Conguring the Distance of a Route.....................................................................................................................505
Changing the IS-Type..............................................................................................................................................506
Redistributing IPv4 Routes.....................................................................................................................................508
Redistributing IPv6 Routes.....................................................................................................................................509
Conguring Authentication Passwords..................................................................................................................510
Setting the Overload Bit..........................................................................................................................................510
Debugging IS-IS.........................................................................................................................................................511
IS-IS Metric Styles..........................................................................................................................................................512
Congure Metric Values................................................................................................................................................ 512
Maximum Values in the Routing Table................................................................................................................... 512
Change the IS-IS Metric Style in One Level Only.................................................................................................512
Leaks from One Level to Another...........................................................................................................................514
Sample Congurations...................................................................................................................................................515
27 Link Aggregation Control Protocol (LACP)............................................................................................... 517
Introduction to Dynamic LAGs and LACP................................................................................................................... 517
Important Points to Remember.............................................................................................................................. 517
LACP Modes.............................................................................................................................................................518
Conguring LACP Commands................................................................................................................................518
Contents
17
LACP Conguration Tasks.............................................................................................................................................519
Creating a LAG......................................................................................................................................................... 519
Conguring the LAG Interfaces as Dynamic.........................................................................................................519
Setting the LACP Long Timeout........................................................................................................................... 520
Monitoring and Debugging LACP..........................................................................................................................520
Shared LAG State Tracking........................................................................................................................................... 521
Conguring Shared LAG State Tracking................................................................................................................521
Important Points about Shared LAG State Tracking........................................................................................... 523
LACP Basic Conguration Example.............................................................................................................................523
Congure a LAG on ALPHA................................................................................................................................... 523
28 Layer 2.....................................................................................................................................................532
Manage the MAC Address Table................................................................................................................................. 532
Clearing the MAC Address Table........................................................................................................................... 532
Setting the Aging Time for Dynamic Entries........................................................................................................532
Conguring a Static MAC Address........................................................................................................................533
Displaying the MAC Address Table........................................................................................................................ 533
MAC Learning Limit.......................................................................................................................................................533
Setting the MAC Learning Limit............................................................................................................................ 534
mac learning-limit Dynamic.....................................................................................................................................534
mac learning-limit mac-address-sticky................................................................................................................. 534
mac learning-limit station-move............................................................................................................................ 535
mac learning-limit no-station-move...................................................................................................................... 535
Learning Limit Violation Actions.............................................................................................................................535
Setting Station Move Violation Actions................................................................................................................ 536
Recovering from Learning Limit and Station Move Violations........................................................................... 536
NIC Teaming................................................................................................................................................................... 537
Congure Redundant Pairs...........................................................................................................................................538
Important Points about Conguring Redundant Pairs........................................................................................ 540
Far-End Failure Detection..............................................................................................................................................541
FEFD State Changes...............................................................................................................................................542
Conguring FEFD.................................................................................................................................................... 543
Enabling FEFD on an Interface...............................................................................................................................543
Debugging FEFD......................................................................................................................................................544
29 Link Layer Discovery Protocol (LLDP)..................................................................................................... 546
802.1AB (LLDP) Overview............................................................................................................................................546
Protocol Data Units................................................................................................................................................. 546
Optional TLVs................................................................................................................................................................. 547
Management TLVs...................................................................................................................................................547
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 549
TIA Organizationally Specic TLVs........................................................................................................................ 549
Congure LLDP............................................................................................................................................................. 553
Related Conguration Tasks...................................................................................................................................553
Important Points to Remember............................................................................................................................. 553
LLDP Compatibility..................................................................................................................................................554
18
Contents
CONFIGURATION versus INTERFACE Congurations............................................................................................ 554
Enabling LLDP................................................................................................................................................................554
Disabling and Undoing LLDP..................................................................................................................................555
Enabling LLDP on Management Ports........................................................................................................................555
Disabling and Undoing LLDP on Management Ports..........................................................................................555
Advertising TLVs............................................................................................................................................................555
Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 557
Reserved Unrecognized LLDP TLVs..................................................................................................................... 557
Organizational Specic Unrecognized LLDP TLVs.............................................................................................. 557
Viewing Unrecognized LLDP TLVs........................................................................................................................ 557
Viewing the LLDP Conguration................................................................................................................................. 558
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................558
Examples of Viewing Information Advertised by Neighbors.............................................................................. 558
Conguring LLDPDU Intervals.....................................................................................................................................560
Conguring LLDP Notication Interval........................................................................................................................561
Conguring LLDP Notication Interval........................................................................................................................561
Conguring Transmit and Receive Mode.................................................................................................................... 561
Conguring the Time to Live Value............................................................................................................................. 562
Debugging LLDP............................................................................................................................................................563
Relevant Management Objects................................................................................................................................... 564
30 Microsoft Network Load Balancing..........................................................................................................569
NLB Unicast Mode Scenario........................................................................................................................................569
NLB Multicast Mode Scenario.....................................................................................................................................569
Limitations of the NLB Feature....................................................................................................................................570
Microsoft Clustering......................................................................................................................................................570
Enable and Disable VLAN Flooding .............................................................................................................................570
Conguring a Switch for NLB ..................................................................................................................................... 570
Enabling a Switch for Multicast NLB..................................................................................................................... 571
31 Multicast Source Discovery Protocol (MSDP).......................................................................................... 572
Protocol Overview......................................................................................................................................................... 572
Anycast RP..................................................................................................................................................................... 573
Implementation Information..........................................................................................................................................574
Congure Multicast Source Discovery Protocol........................................................................................................ 574
Related Conguration Tasks................................................................................................................................... 574
Enable MSDP................................................................................................................................................................. 578
Manage the Source-Active Cache.............................................................................................................................. 579
Viewing the Source-Active Cache.........................................................................................................................579
Limiting the Source-Active Cache.........................................................................................................................579
Clearing the Source-Active Cache........................................................................................................................580
Enabling the Rejected Source-Active Cache....................................................................................................... 580
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 580
Specifying Source-Active Messages...........................................................................................................................583
Limiting the Source-Active Messages from a Peer...................................................................................................584
Preventing MSDP from Caching a Local Source.......................................................................................................584
Contents
19
Preventing MSDP from Caching a Remote Source.................................................................................................. 585
Preventing MSDP from Advertising a Local Source................................................................................................. 585
Logging Changes in Peership States...........................................................................................................................586
Terminating a Peership..................................................................................................................................................586
Clearing Peer Statistics.................................................................................................................................................587
Debugging MSDP.......................................................................................................................................................... 587
MSDP with Anycast RP................................................................................................................................................588
Conguring Anycast RP................................................................................................................................................589
Reducing Source-Active Message Flooding........................................................................................................ 590
Specifying the RP Address Used in SA Messages..............................................................................................590
MSDP Sample Congurations......................................................................................................................................592
35 Multicast Listener Discovery Protocol..................................................................................................... 595
MLD Version 1................................................................................................................................................................ 595
MLD Querier Router......................................................................................................................................................595
Joining a Multicast Group.............................................................................................................................................596
Leaving a Multicast Group............................................................................................................................................596
MLD version 2................................................................................................................................................................596
MLD timers.....................................................................................................................................................................598
Reducing Host Response Burstiness.................................................................................................................... 599
Clearing MLD groups.................................................................................................................................................... 599
Debugging MLD.............................................................................................................................................................599
Explicit Tracking............................................................................................................................................................. 599
Reducing Leave Latency...............................................................................................................................................599
Displaying MLD groups table........................................................................................................................................600
Displaying MLD Interfaces............................................................................................................................................600
33 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 601
Protocol Overview..........................................................................................................................................................601
Spanning Tree Variations.............................................................................................................................................. 602
Implementation Information....................................................................................................................................602
Congure Multiple Spanning Tree Protocol................................................................................................................602
Related Conguration Tasks...................................................................................................................................603
Enable Multiple Spanning Tree Globally...................................................................................................................... 603
Adding and Removing Interfaces.................................................................................................................................603
Creating Multiple Spanning Tree Instances................................................................................................................ 604
Inuencing MSTP Root Selection............................................................................................................................... 605
Interoperate with Non-Dell Bridges.............................................................................................................................605
Changing the Region Name or Revision.....................................................................................................................606
Modifying Global Parameters.......................................................................................................................................606
Modifying the Interface Parameters............................................................................................................................607
Conguring an EdgePort.............................................................................................................................................. 608
Flush MAC Addresses after a Topology Change....................................................................................................... 609
MSTP Sample Congurations......................................................................................................................................609
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration........................................................................................610
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 ...
/