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PowerSwitch S4048-ON

Dell PowerSwitch S4048-ON Owner's manual

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Dell Configuration Guide for the S4048 ON
System
9.13.0.0
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 © 2017 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.
2017 - 12
Rev. A00
Contents
1 About this Guide...........................................................................................................................................36
Audience........................................................................................................................................................................... 36
Conventions......................................................................................................................................................................36
Related Documents......................................................................................................................................................... 36
2 Conguration Fundamentals........................................................................................................................ 37
Accessing the Command Line........................................................................................................................................ 37
CLI Modes.........................................................................................................................................................................37
Navigating CLI Modes...............................................................................................................................................39
The do Command............................................................................................................................................................ 42
Undoing Commands........................................................................................................................................................ 42
Obtaining Help..................................................................................................................................................................43
Entering and Editing Commands....................................................................................................................................43
Command History............................................................................................................................................................ 44
Filtering show Command Outputs.................................................................................................................................44
Example of the grep Keyword.................................................................................................................................. 44
Multiple Users in Conguration Mode...........................................................................................................................45
3 Getting Started............................................................................................................................................46
Console Access................................................................................................................................................................ 47
Serial Console............................................................................................................................................................. 47
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................48
Entering CLI commands Using an SSH Connection..............................................................................................48
Executing Local CLI Scripts Using an SSH Connection........................................................................................48
Default Conguration...................................................................................................................................................... 49
Conguring a Host Name............................................................................................................................................... 49
Accessing the System Remotely....................................................................................................................................49
Accessing the System Remotely..............................................................................................................................49
Congure the Management Port IP Address......................................................................................................... 49
Congure a Management Route..............................................................................................................................50
Conguring a Username and Password..................................................................................................................50
Conguring the Enable Password...................................................................................................................................51
Conguration File Management......................................................................................................................................51
Copy Files to and from the System......................................................................................................................... 52
Mounting an NFS File System..................................................................................................................................52
Save the Running-Conguration..............................................................................................................................54
Congure the Overload Bit for a Startup Scenario............................................................................................... 55
Viewing Files...............................................................................................................................................................55
Compressing Conguration Files............................................................................................................................. 56
Managing the File System.............................................................................................................................................. 58
Enabling Software Features on Devices Using a Command Option..........................................................................59
View Command History.................................................................................................................................................. 60
Contents
3
Upgrading Dell EMC Networking OS............................................................................................................................ 60
Verify Software Images Before Installation...................................................................................................................60
Using HTTP for File Transfers.........................................................................................................................................61
4 Management................................................................................................................................................63
Conguring Privilege Levels............................................................................................................................................63
Creating a Custom Privilege Level...........................................................................................................................64
Removing a Command from EXEC Mode.............................................................................................................. 64
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................64
Allowing Access to CONFIGURATION Mode Commands....................................................................................64
Allowing Access to Dierent Modes........................................................................................................................64
Applying a Privilege Level to a Username............................................................................................................... 66
Applying a Privilege Level to a Terminal Line.......................................................................................................... 66
Conguring Logging........................................................................................................................................................ 66
Audit and Security Logs............................................................................................................................................ 67
Conguring Logging Format ...................................................................................................................................69
Display the Logging Buer and the Logging Conguration..................................................................................69
Setting Up a Secure Connection to a Syslog Server.............................................................................................70
Sending System Messages to a Syslog Server.......................................................................................................71
Track Login Activity.......................................................................................................................................................... 71
Restrictions for Tracking Login Activity................................................................................................................... 71
Conguring Login Activity Tracking..........................................................................................................................71
Display Login Statistics..............................................................................................................................................72
Limit Concurrent Login Sessions....................................................................................................................................73
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................73
Conguring Concurrent Session Limit.....................................................................................................................74
Enabling the System to Clear Existing Sessions.....................................................................................................74
Enabling Secured CLI Mode........................................................................................................................................... 75
Log Messages in the Internal Buer..............................................................................................................................75
Conguration Task List for System Log Management.......................................................................................... 75
Disabling System Logging............................................................................................................................................... 75
Sending System Messages to a Syslog Server............................................................................................................ 76
Conguring a UNIX System as a Syslog Server.....................................................................................................76
Changing System Logging Settings...............................................................................................................................76
Display the Logging Buer and the Logging Conguration........................................................................................ 77
Conguring a UNIX Logging Facility Level.................................................................................................................... 78
Synchronizing Log Messages......................................................................................................................................... 79
Enabling Timestamp on Syslog Messages.................................................................................................................... 79
File Transfer Services...................................................................................................................................................... 80
Conguration Task List for File Transfer Services..................................................................................................80
Enabling the FTP Server...........................................................................................................................................80
Conguring FTP Server Parameters....................................................................................................................... 80
Conguring FTP Client Parameters..........................................................................................................................81
Terminal Lines....................................................................................................................................................................81
Denying and Permitting Access to a Terminal Line................................................................................................82
Conguring Login Authentication for Terminal Lines.............................................................................................83
4
Contents
Setting Timeout for EXEC Privilege Mode................................................................................................................... 84
Using Telnet to get to Another Network Device..........................................................................................................84
Lock CONFIGURATION Mode.......................................................................................................................................85
Viewing the Conguration Lock Status...................................................................................................................85
Reloading the system...................................................................................................................................................... 85
Restoring the Factory Default Settings........................................................................................................................ 86
Important Points to Remember................................................................................................................................86
Restoring Factory Default Environment Variables..................................................................................................87
Viewing the Reason for Last System Reboot...............................................................................................................88
5 802.1X......................................................................................................................................................... 89
Port-Authentication Process...........................................................................................................................................91
EAP over RADIUS.......................................................................................................................................................91
Conguring 802.1X...........................................................................................................................................................92
Related Conguration Tasks..................................................................................................................................... 92
Important Points to Remember......................................................................................................................................92
Enabling 802.1X................................................................................................................................................................ 93
Conguring dot1x Prole ................................................................................................................................................94
Conguring MAC addresses for a do1x Prole.............................................................................................................95
Conguring the Static MAB and MAB Prole .............................................................................................................95
Conguring Critical VLAN ..............................................................................................................................................96
Conguring Request Identity Re-Transmissions........................................................................................................... 97
Conguring a Quiet Period after a Failed Authentication......................................................................................97
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 98
Re-Authenticating a Port................................................................................................................................................99
Conguring Timeouts.................................................................................................................................................... 100
Conguring Dynamic VLAN Assignment with Port Authentication..........................................................................101
Guest and Authentication-Fail VLANs.........................................................................................................................102
Conguring a Guest VLAN......................................................................................................................................102
Conguring an Authentication-Fail VLAN............................................................................................................. 102
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 104
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 104
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 105
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................105
Conguring ACL VLAN Groups.............................................................................................................................. 105
Conguring FP Blocks for VLAN Parameters.......................................................................................................106
Viewing CAM Usage.......................................................................................................................................................107
Allocating FP Blocks for VLAN Processes.................................................................................................................. 108
Unied Forwarding Table (UFT) Modes...................................................................................................................... 109
Conguring UFT Modes.......................................................................................................................................... 109
7 Access Control Lists (ACLs)........................................................................................................................110
IP Access Control Lists (ACLs)...................................................................................................................................... 111
CAM Usage................................................................................................................................................................112
Implementing ACLs on Dell EMC Networking OS.................................................................................................112
Contents
5
Important Points to Remember.....................................................................................................................................114
Conguration Task List for Route Maps.................................................................................................................114
Conguring Match Routes.......................................................................................................................................116
Conguring Set Conditions...................................................................................................................................... 117
Congure a Route Map for Route Redistribution..................................................................................................118
Congure a Route Map for Route Tagging............................................................................................................ 119
Continue Clause........................................................................................................................................................ 119
IP Fragment Handling.................................................................................................................................................... 120
IP Fragments ACL Examples...................................................................................................................................120
Layer 4 ACL Rules Examples...................................................................................................................................120
Congure a Standard IP ACL.........................................................................................................................................121
Conguring a Standard IP ACL Filter..................................................................................................................... 122
Congure an Extended IP ACL..................................................................................................................................... 123
Conguring Filters with a Sequence Number....................................................................................................... 123
Conguring Filters Without a Sequence Number.................................................................................................124
Congure Layer 2 and Layer 3 ACLs............................................................................................................................125
Assign an IP ACL to an Interface..................................................................................................................................126
Applying an IP ACL.........................................................................................................................................................126
Counting ACL Hits....................................................................................................................................................127
Congure Ingress ACLs..................................................................................................................................................127
Congure Egress ACLs.................................................................................................................................................. 127
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 128
IP Prex Lists.................................................................................................................................................................. 129
Implementation Information.................................................................................................................................... 129
Conguration Task List for Prex Lists.................................................................................................................. 129
ACL Resequencing......................................................................................................................................................... 133
Resequencing an ACL or Prex List.......................................................................................................................133
Route Maps.....................................................................................................................................................................135
Implementation Information.................................................................................................................................... 135
Logging of ACL Processes............................................................................................................................................ 135
Guidelines for Conguring ACL Logging................................................................................................................136
Conguring ACL Logging.........................................................................................................................................136
Flow-Based Monitoring..................................................................................................................................................137
Behavior of Flow-Based Monitoring.......................................................................................................................137
Enabling Flow-Based Monitoring............................................................................................................................139
Conguring UDF ACL.................................................................................................................................................... 140
Conguring IP Mirror Access Group............................................................................................................................ 142
Sample Conguration...............................................................................................................................................143
Example of viewing IP mirror–access–group applied to an Interface................................................................143
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 144
How BFD Works............................................................................................................................................................. 144
BFD Packet Format..................................................................................................................................................145
BFD Sessions............................................................................................................................................................ 146
BFD Three-Way Handshake.................................................................................................................................... 147
Session State Changes............................................................................................................................................149
6
Contents
Important Points to Remember.................................................................................................................................... 149
Congure BFD................................................................................................................................................................ 149
Congure BFD for Physical Ports.......................................................................................................................... 150
Congure BFD for Static Routes............................................................................................................................152
Congure BFD for OSPF.........................................................................................................................................154
Congure BFD for OSPFv3.....................................................................................................................................157
Congure BFD for IS-IS...........................................................................................................................................160
Congure BFD for BGP........................................................................................................................................... 162
Congure BFD for VRRP.........................................................................................................................................169
Conguring Protocol Liveness................................................................................................................................ 172
9 Border Gateway Protocol IPv4 (BGPv4).....................................................................................................173
Autonomous Systems (AS)........................................................................................................................................... 173
Sessions and Peers.........................................................................................................................................................175
Establish a Session................................................................................................................................................... 175
Route Reectors.............................................................................................................................................................176
BGP Attributes................................................................................................................................................................177
Best Path Selection Criteria.................................................................................................................................... 177
Weight........................................................................................................................................................................179
Local Preference....................................................................................................................................................... 179
Multi-Exit Discriminators (MEDs)...........................................................................................................................180
Origin...........................................................................................................................................................................181
AS Path......................................................................................................................................................................182
Next Hop................................................................................................................................................................... 182
Multiprotocol BGP..........................................................................................................................................................182
Implement BGP with Dell EMC Networking OS.........................................................................................................183
Additional Path (Add-Path) Support......................................................................................................................183
Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 183
Ignore Router-ID in Best-Path Calculation............................................................................................................ 184
Four-Byte AS Numbers............................................................................................................................................184
AS4 Number Representation.................................................................................................................................. 184
AS Number Migration.............................................................................................................................................. 186
BGP4 Management Information Base (MIB)........................................................................................................187
Important Points to Remember...............................................................................................................................187
Conguration Information..............................................................................................................................................188
BGP Conguration......................................................................................................................................................... 188
Enabling BGP............................................................................................................................................................ 189
Conguring AS4 Number Representations........................................................................................................... 192
Conguring Peer Groups.........................................................................................................................................194
Conguring BGP Fast Fall-Over.............................................................................................................................196
Conguring Passive Peering................................................................................................................................... 198
Maintaining Existing AS Numbers During an AS Migration.................................................................................198
Allowing an AS Number to Appear in its Own AS Path.......................................................................................199
Enabling Graceful Restart.......................................................................................................................................200
Enabling Neighbor Graceful Restart...................................................................................................................... 201
Filtering on an AS-Path Attribute........................................................................................................................... 201
Contents
7
Regular Expressions as Filters................................................................................................................................203
Redistributing Routes..............................................................................................................................................204
Enabling Additional Paths....................................................................................................................................... 205
Conguring IP Community Lists............................................................................................................................ 205
Conguring an IP Extended Community List....................................................................................................... 206
Filtering Routes with Community Lists................................................................................................................. 207
Manipulating the COMMUNITY Attribute............................................................................................................208
Changing MED Attributes.......................................................................................................................................209
Changing the LOCAL_PREFERENCE Attribute..................................................................................................209
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 210
Changing the WEIGHT Attribute.............................................................................................................................211
Enabling Multipath.................................................................................................................................................... 211
Filtering BGP Routes.................................................................................................................................................211
Filtering BGP Routes Using Route Maps...............................................................................................................213
Filtering BGP Routes Using AS-PATH Information.............................................................................................. 213
Conguring BGP Route Reectors........................................................................................................................ 214
Aggregating Routes..................................................................................................................................................215
Conguring BGP Confederations...........................................................................................................................215
Enabling Route Flap Dampening.............................................................................................................................216
Changing BGP Timers..............................................................................................................................................218
Enabling BGP Neighbor Soft-Reconguration..................................................................................................... 218
Enabling or disabling BGP neighbors..................................................................................................................... 219
Route Map Continue................................................................................................................................................221
Enabling MBGP Congurations.................................................................................................................................... 221
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 222
BGP Regular Expression Optimization........................................................................................................................222
Debugging BGP..............................................................................................................................................................222
Storing Last and Bad PDUs....................................................................................................................................223
Capturing PDUs....................................................................................................................................................... 224
PDU Counters.......................................................................................................................................................... 225
Sample Congurations.................................................................................................................................................. 225
10 Content Addressable Memory (CAM).......................................................................................................232
CAM Allocation...............................................................................................................................................................232
Test CAM Usage............................................................................................................................................................ 234
View CAM-ACL Settings.............................................................................................................................................. 234
View CAM Usage...........................................................................................................................................................236
Conguring CAM Threshold and Silence Period........................................................................................................236
Setting CAM Threshold and Silence Period..........................................................................................................237
CAM Optimization......................................................................................................................................................... 238
Troubleshoot CAM Proling..........................................................................................................................................238
QoS CAM Region Limitation...................................................................................................................................238
11 Control Plane Policing (CoPP).................................................................................................................. 239
Congure Control Plane Policing................................................................................................................................. 240
Conguring CoPP for Protocols............................................................................................................................. 241
8
Contents
Conguring CoPP for CPU Queues...................................................................................................................... 243
CoPP for OSPFv3 Packets.....................................................................................................................................244
Conguring CoPP for OSPFv3...............................................................................................................................247
Displaying CoPP Conguration ............................................................................................................................. 247
12 Data Center Bridging (DCB).....................................................................................................................250
Ethernet Enhancements in Data Center Bridging..................................................................................................... 250
Priority-Based Flow Control.................................................................................................................................... 251
Enhanced Transmission Selection..........................................................................................................................252
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................253
Data Center Bridging in a Trac Flow.................................................................................................................. 254
Enabling Data Center Bridging.....................................................................................................................................254
DCB Maps and its Attributes................................................................................................................................. 255
Data Center Bridging: Default Conguration..............................................................................................................256
Conguring Priority-Based Flow Control....................................................................................................................256
Conguring Lossless Queues..................................................................................................................................257
Conguring PFC in a DCB Map................................................................................................................................... 258
PFC Conguration Notes....................................................................................................................................... 258
PFC Prerequisites and Restrictions.......................................................................................................................259
Applying a DCB Map on a Port....................................................................................................................................259
Conguring PFC without a DCB Map.........................................................................................................................260
Conguring Lossless QueuesExample:..................................................................................................................260
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................262
Pause and Resume of Trac..................................................................................................................................262
Buer Sizes for Lossless or PFC Packets............................................................................................................ 262
Behavior of Tagged Packets.........................................................................................................................................263
Conguration Example for DSCP and PFC Priorities................................................................................................263
Using PFC to Manage Converged Ethernet Trac...................................................................................................264
Congure Enhanced Transmission Selection..............................................................................................................264
ETS Prerequisites and Restrictions....................................................................................................................... 264
Creating an ETS Priority Group..............................................................................................................................264
ETS Operation with DCBx......................................................................................................................................265
Conguring Bandwidth Allocation for DCBx CIN................................................................................................ 266
Conguring ETS in a DCB Map..............................................................................................................................267
Hierarchical Scheduling in ETS Output Policies.........................................................................................................268
Using ETS to Manage Converged Ethernet Trac...................................................................................................268
Applying DCB Policies in a Switch Stack.................................................................................................................... 269
Congure a DCBx Operation........................................................................................................................................269
DCBx Operation.......................................................................................................................................................269
DCBx Port Roles......................................................................................................................................................269
DCB Conguration Exchange................................................................................................................................. 271
Conguration Source Election.................................................................................................................................271
Propagation of DCB Information............................................................................................................................272
Auto-Detection and Manual Conguration of the DCBx Version.......................................................................272
DCBx Example..........................................................................................................................................................272
DCBx Prerequisites and Restrictions.....................................................................................................................273
Contents
9
Conguring DCBx.................................................................................................................................................... 273
Verifying the DCB Conguration..................................................................................................................................277
QoS dot1p Trac Classication and Queue Assignment..........................................................................................286
Conguring the Dynamic Buer Method....................................................................................................................287
Sample DCB Conguration...........................................................................................................................................288
PFC and ETS Conguration Command Examples.............................................................................................. 290
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................291
DHCP Packet Format and Options.............................................................................................................................. 291
Assign an IP Address using DHCP...............................................................................................................................293
Implementation Information..........................................................................................................................................294
Congure the System to be a DHCP Server..............................................................................................................294
Conguring the Server for Automatic Address Allocation..................................................................................295
Specifying a Default Gateway................................................................................................................................ 296
Congure a Method of Hostname Resolution..................................................................................................... 296
Using DNS for Address Resolution........................................................................................................................296
Using NetBIOS WINS for Address Resolution......................................................................................................297
Creating Manual Binding Entries............................................................................................................................297
Debugging the DHCP Server................................................................................................................................. 297
Using DHCP Clear Commands.............................................................................................................................. 298
Congure the System to be a Relay Agent................................................................................................................ 298
Congure the System to be a DHCP Client...............................................................................................................300
Conguring the DHCP Client System...................................................................................................................300
DHCP Client on a Management Interface............................................................................................................302
DHCP Client Operation with Other Features.......................................................................................................302
Congure the System for User Port Stacking (Option 230)....................................................................................303
Congure Secure DHCP...............................................................................................................................................303
Option 82..................................................................................................................................................................304
DHCP Snooping.......................................................................................................................................................304
Drop DHCP Packets on Snooped VLANs Only....................................................................................................308
Dynamic ARP Inspection........................................................................................................................................ 309
Conguring Dynamic ARP Inspection....................................................................................................................310
Source Address Validation..............................................................................................................................................311
Enabling IP Source Address Validation....................................................................................................................311
DHCP MAC Source Address Validation................................................................................................................. 312
Enabling IP+MAC Source Address Validation........................................................................................................312
Viewing the Number of SAV Dropped Packets.................................................................................................... 313
Clearing the Number of SAV Dropped Packets....................................................................................................313
14 Equal Cost Multi-Path (ECMP).................................................................................................................314
ECMP for Flow-Based Anity......................................................................................................................................314
Conguring the Hash Algorithm............................................................................................................................. 314
Enabling Deterministic ECMP Next Hop............................................................................................................... 314
Conguring the Hash Algorithm Seed................................................................................................................... 315
Link Bundle Monitoring.................................................................................................................................................. 315
Managing ECMP Group Paths................................................................................................................................316
10
Contents
Creating an ECMP Group Bundle...........................................................................................................................316
Modifying the ECMP Group Threshold................................................................................................................. 316
RTAG7..............................................................................................................................................................................317
Flow-based Hashing for ECMP.................................................................................................................................... 318
15 FIP Snooping............................................................................................................................................ 321
Fibre Channel over Ethernet.........................................................................................................................................321
Ensure Robustness in a Converged Ethernet Network.............................................................................................321
FIP Snooping on Ethernet Bridges.............................................................................................................................. 323
FIP Snooping in a Switch Stack...................................................................................................................................325
Using FIP Snooping....................................................................................................................................................... 325
FIP Snooping Prerequisites.....................................................................................................................................325
Important Points to Remember............................................................................................................................. 325
Enabling the FCoE Transit Feature........................................................................................................................326
Enable FIP Snooping on VLANs............................................................................................................................. 327
Congure the FC-MAP Value.................................................................................................................................327
Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 327
Congure a Port for a Bridge-to-FCF Link........................................................................................................... 327
Impact on Other Software Features......................................................................................................................327
FIP Snooping Restrictions...................................................................................................................................... 328
Conguring FIP Snooping.......................................................................................................................................328
Displaying FIP Snooping Information...........................................................................................................................329
FCoE Transit Conguration Example...........................................................................................................................334
16 Flex Hash and Optimized Boot-Up............................................................................................................336
Flex Hash Capability Overview.....................................................................................................................................336
Conguring the Flex Hash Mechanism.......................................................................................................................336
Conguring Fast Boot and LACP Fast Switchover................................................................................................... 337
Optimizing the Boot Time.............................................................................................................................................337
Booting Process When Optimized Boot Time Mechanism is Enabled.............................................................. 337
Guidelines for Conguring Optimized Booting Mechanism................................................................................338
Interoperation of Applications with Fast Boot and System States..........................................................................339
LACP and IPv4 Routing.......................................................................................................................................... 339
LACP and IPv6 Routing.......................................................................................................................................... 339
BGP Graceful Restart............................................................................................................................................. 340
Cold Boot Caused by Power Cycling the System................................................................................................340
Unexpected Reload of the System........................................................................................................................340
Software Upgrade................................................................................................................................................... 340
LACP Fast Switchover............................................................................................................................................340
Changes to BGP Multipath..................................................................................................................................... 341
Delayed Installation of ECMP Routes Into BGP....................................................................................................341
RDMA Over Converged Ethernet (RoCE) Overview................................................................................................ 341
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 342
17 FIPS Cryptography...................................................................................................................................343
Conguration Tasks....................................................................................................................................................... 343
Contents
11
Preparing the System....................................................................................................................................................343
Enabling FIPS Mode...................................................................................................................................................... 344
Generating Host-Keys...................................................................................................................................................344
Monitoring FIPS Mode Status......................................................................................................................................344
Disabling FIPS Mode..................................................................................................................................................... 345
18 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 346
Protocol Overview.........................................................................................................................................................346
Ring Status............................................................................................................................................................... 347
Multiple FRRP Rings................................................................................................................................................347
Important FRRP Points...........................................................................................................................................348
Important FRRP Concepts..................................................................................................................................... 349
Implementing FRRP...................................................................................................................................................... 350
FRRP Conguration...................................................................................................................................................... 350
Creating the FRRP Group...................................................................................................................................... 350
Conguring the Control VLAN................................................................................................................................351
Conguring and Adding the Member VLANs.......................................................................................................352
Setting the FRRP Timers........................................................................................................................................353
Clearing the FRRP Counters..................................................................................................................................353
Viewing the FRRP Conguration...........................................................................................................................353
Viewing the FRRP Information.............................................................................................................................. 353
Troubleshooting FRRP.................................................................................................................................................. 354
Conguration Checks..............................................................................................................................................354
Sample Conguration and Topology............................................................................................................................354
FRRP Support on VLT.................................................................................................................................................. 355
Example Scenario.................................................................................................................................................... 356
Important Points to Remember..............................................................................................................................357
19 GARP VLAN Registration Protocol (GVRP)..............................................................................................358
Important Points to Remember................................................................................................................................... 358
Congure GVRP............................................................................................................................................................ 359
Related Conguration Tasks...................................................................................................................................359
Enabling GVRP Globally................................................................................................................................................360
Enabling GVRP on a Layer 2 Interface........................................................................................................................360
Congure GVRP Registration...................................................................................................................................... 360
Congure a GARP Timer............................................................................................................................................... 361
RPM Redundancy.......................................................................................................................................................... 361
20 High Availability (HA)...............................................................................................................................363
Component Redundancy.............................................................................................................................................. 363
Automatic and Manual Stack Unit Failover.......................................................................................................... 363
Synchronization between Management and Standby Units..............................................................................364
Forcing a Stack Unit Failover................................................................................................................................. 364
Specifying an Auto-Failover Limit..........................................................................................................................365
Disabling Auto-Reboot............................................................................................................................................ 365
Manually Synchronizing Management and Standby Units.................................................................................365
12
Contents
Pre-Conguring a Stack Unit Slot............................................................................................................................... 365
Removing a Provisioned Logical Stack Unit............................................................................................................... 365
Hitless Behavior............................................................................................................................................................. 366
Graceful Restart............................................................................................................................................................ 366
Software Resiliency....................................................................................................................................................... 366
Software Component Health Monitoring............................................................................................................. 366
System Health Monitoring...................................................................................................................................... 367
Failure and Event Logging.......................................................................................................................................367
Hot-Lock Behavior.........................................................................................................................................................368
21 Internet Group Management Protocol (IGMP)......................................................................................... 369
IGMP Implementation Information.............................................................................................................................. 369
IGMP Protocol Overview..............................................................................................................................................369
IGMP Version 2........................................................................................................................................................369
IGMP Version 3......................................................................................................................................................... 371
Congure IGMP..............................................................................................................................................................374
Related Conguration Tasks................................................................................................................................... 374
Viewing IGMP Enabled Interfaces............................................................................................................................... 375
Selecting an IGMP Version........................................................................................................................................... 375
Viewing IGMP Groups................................................................................................................................................... 375
Adjusting Timers.............................................................................................................................................................376
Adjusting Query and Response Timers................................................................................................................. 376
Preventing a Host from Joining a Group.....................................................................................................................377
Enabling IGMP Immediate-Leave................................................................................................................................ 380
IGMP Snooping..............................................................................................................................................................380
IGMP Snooping Implementation Information.......................................................................................................380
Conguring IGMP Snooping...................................................................................................................................380
Removing a Group-Port Association......................................................................................................................381
Disabling Multicast Flooding....................................................................................................................................381
Specifying a Port as Connected to a Multicast Router...................................................................................... 382
Conguring the Switch as Querier........................................................................................................................ 382
Fast Convergence after MSTP Topology Changes...................................................................................................383
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................383
Protocol Separation.................................................................................................................................................383
Enabling and Disabling Management Egress Interface Selection...................................................................... 384
Handling of Management Route Conguration................................................................................................... 385
Handling of Switch-Initiated Trac....................................................................................................................... 386
Handling of Switch-Destined Trac......................................................................................................................386
Handling of Transit Trac (Trac Separation).....................................................................................................387
Mapping of Management Applications and Trac Type..................................................................................... 387
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 388
Behavior of Various Applications for Switch-Destined Trac ...........................................................................389
Interworking of EIS With Various Applications.....................................................................................................390
Designating a Multicast Router Interface...................................................................................................................390
22 Interfaces................................................................................................................................................ 392
Contents
13
Basic Interface Conguration.......................................................................................................................................392
Advanced Interface Conguration...............................................................................................................................392
Interface Types...............................................................................................................................................................393
View Basic Interface Information.................................................................................................................................393
Resetting an Interface to its Factory Default State...................................................................................................395
Enabling a Physical Interface........................................................................................................................................396
Physical Interfaces.........................................................................................................................................................396
Conguration Task List for Physical Interfaces....................................................................................................396
Overview of Layer Modes...................................................................................................................................... 396
Conguring Layer 2 (Data Link) Mode..................................................................................................................397
Conguring Layer 2 (Interface) Mode...................................................................................................................397
Conguring Layer 3 (Network) Mode...................................................................................................................398
Conguring Layer 3 (Interface) Mode.................................................................................................................. 398
Egress Interface Selection (EIS)..................................................................................................................................399
Important Points to Remember............................................................................................................................. 399
Conguring EIS........................................................................................................................................................ 399
Management Interfaces................................................................................................................................................400
Conguring Management Interfaces.................................................................................................................... 400
Conguring a Management Interface on an Ethernet Port................................................................................ 401
VLAN Interfaces............................................................................................................................................................ 402
Loopback Interfaces......................................................................................................................................................403
Null Interfaces................................................................................................................................................................ 403
Port Channel Interfaces................................................................................................................................................403
Port Channel Denition and Standards.................................................................................................................404
Port Channel Benets.............................................................................................................................................404
Port Channel Implementation.................................................................................................................................404
Interfaces in Port Channels....................................................................................................................................405
Conguration Tasks for Port Channel Interfaces.................................................................................................405
Creating a Port Channel......................................................................................................................................... 405
Adding a Physical Interface to a Port Channel.....................................................................................................406
Reassigning an Interface to a New Port Channel................................................................................................ 407
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 408
Adding or Removing a Port Channel from a VLAN............................................................................................. 408
Assigning an IP Address to a Port Channel.......................................................................................................... 409
Deleting or Disabling a Port Channel......................................................................................................................410
Load Balancing Through Port Channels................................................................................................................ 410
Changing the Hash Algorithm.................................................................................................................................410
Bulk Conguration...........................................................................................................................................................411
Interface Range......................................................................................................................................................... 411
Bulk Conguration Examples................................................................................................................................... 411
Dening Interface Range Macros................................................................................................................................. 413
Dene the Interface Range..................................................................................................................................... 413
Choosing an Interface-Range Macro.....................................................................................................................413
Monitoring and Maintaining Interfaces........................................................................................................................ 414
Maintenance Using TDR..........................................................................................................................................415
14
Contents
Non Dell-Qualied Transceivers....................................................................................................................................415
Splitting 40G Ports without Reload............................................................................................................................. 416
Splitting QSFP Ports to SFP+ Ports............................................................................................................................ 417
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port...................................................................................418
Important Points to Remember.............................................................................................................................. 418
Example Scenarios................................................................................................................................................... 418
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................420
Link Dampening..............................................................................................................................................................420
Important Points to Remember.............................................................................................................................. 421
Conguration Example of Link Dampening........................................................................................................... 421
Enabling Link Dampening........................................................................................................................................423
Link Bundle Monitoring..................................................................................................................................................424
Using Ethernet Pause Frames for Flow Control........................................................................................................ 425
Enabling Pause Frames........................................................................................................................................... 425
Congure the MTU Size on an Interface....................................................................................................................426
Port-Pipes.......................................................................................................................................................................427
Auto-Negotiation on Ethernet Interfaces................................................................................................................... 427
Setting the Speed of Ethernet Interfaces.............................................................................................................427
Set Auto-Negotiation Options................................................................................................................................429
View Advanced Interface Information.........................................................................................................................429
Conguring the Interface Sampling Size.............................................................................................................. 430
Conguring the Trac Sampling Size Globally........................................................................................................... 431
Dynamic Counters......................................................................................................................................................... 433
Clearing Interface Counters....................................................................................................................................433
23 Internet Protocol Security (IPSec).......................................................................................................... 435
Conguring IPSec .........................................................................................................................................................435
24 IPv4 Routing............................................................................................................................................ 437
IP Addresses...................................................................................................................................................................438
Implementation Information....................................................................................................................................438
Conguration Tasks for IP Addresses..........................................................................................................................438
Assigning IP Addresses to an Interface.......................................................................................................................438
Conguring Static Routes.............................................................................................................................................439
Congure Static Routes for the Management Interface..........................................................................................440
IPv4 Path MTU Discovery Overview........................................................................................................................... 441
Using the Congured Source IP Address in ICMP Messages...................................................................................441
Conguring the ICMP Source Interface................................................................................................................ 441
Conguring the Duration to Establish a TCP Connection........................................................................................ 442
Enabling Directed Broadcast........................................................................................................................................ 442
Resolution of Host Names............................................................................................................................................442
Enabling Dynamic Resolution of Host Names............................................................................................................443
Specifying the Local System Domain and a List of Domains................................................................................... 443
Conguring DNS with Traceroute................................................................................................................................444
ARP..................................................................................................................................................................................444
Conguration Tasks for ARP........................................................................................................................................ 445
Contents
15
Conguring Static ARP Entries....................................................................................................................................445
Enabling Proxy ARP.......................................................................................................................................................445
Clearing ARP Cache......................................................................................................................................................446
ARP Learning via Gratuitous ARP................................................................................................................................446
Enabling ARP Learning via Gratuitous ARP................................................................................................................446
ARP Learning via ARP Request................................................................................................................................... 446
Conguring ARP Retries............................................................................................................................................... 447
ICMP............................................................................................................................................................................... 448
Conguration Tasks for ICMP...................................................................................................................................... 448
Enabling ICMP Unreachable Messages...................................................................................................................... 448
UDP Helper.....................................................................................................................................................................448
Congure UDP Helper.............................................................................................................................................448
Important Points to Remember............................................................................................................................. 449
Enabling UDP Helper.....................................................................................................................................................449
Conguring a Broadcast Address................................................................................................................................ 449
Congurations Using UDP Helper............................................................................................................................... 450
UDP Helper with Broadcast-All Addresses.................................................................................................................450
UDP Helper with Subnet Broadcast Addresses..........................................................................................................451
UDP Helper with Congured Broadcast Addresses...................................................................................................451
UDP Helper with No Congured Broadcast Addresses............................................................................................452
Troubleshooting UDP Helper........................................................................................................................................452
25 IPv6 Routing............................................................................................................................................453
Protocol Overview.........................................................................................................................................................453
Extended Address Space........................................................................................................................................454
Stateless Autoconguration................................................................................................................................... 454
IPv6 Headers............................................................................................................................................................454
IPv6 Header Fields.................................................................................................................................................. 455
Extension Header Fields..........................................................................................................................................457
Addressing................................................................................................................................................................ 458
Implementing IPv6 with Dell EMC Networking OS...................................................................................................459
ICMPv6...........................................................................................................................................................................460
Path MTU Discovery......................................................................................................................................................461
IPv6 Neighbor Discovery...............................................................................................................................................461
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................462
Conguration Task List for IPv6 RDNSS.................................................................................................................... 462
Conguring the IPv6 Recursive DNS Server....................................................................................................... 462
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................463
Displaying IPv6 RDNSS Information......................................................................................................................464
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 464
Conguration Tasks for IPv6........................................................................................................................................465
Adjusting Your CAM-Prole....................................................................................................................................465
Assigning an IPv6 Address to an Interface...........................................................................................................466
Assigning a Static IPv6 Route................................................................................................................................466
Conguring Telnet with IPv6.................................................................................................................................. 467
SNMP over IPv6......................................................................................................................................................467
16
Contents
Displaying IPv6 Information.................................................................................................................................... 467
Displaying an IPv6 Interface Information.............................................................................................................. 468
Showing IPv6 Routes..............................................................................................................................................468
Showing the Running-Conguration for an Interface......................................................................................... 470
Clearing IPv6 Routes...............................................................................................................................................470
Disabling ND Entry Timeout................................................................................................................................... 470
Conguring IPv6 RA Guard........................................................................................................................................... 471
Conguring IPv6 RA Guard on an Interface......................................................................................................... 472
Monitoring IPv6 RA Guard......................................................................................................................................473
26 iSCSI Optimization...................................................................................................................................474
iSCSI Optimization Overview....................................................................................................................................... 474
Monitoring iSCSI Trac Flows............................................................................................................................... 476
Application of Quality of Service to iSCSI Trac Flows......................................................................................476
Information Monitored in iSCSI Trac Flows....................................................................................................... 476
Detection and Auto-Conguration for Dell EqualLogic Arrays............................................................................477
Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 477
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer................................................................. 478
Enable and Disable iSCSI Optimization................................................................................................................. 478
Default iSCSI Optimization Values............................................................................................................................... 479
iSCSI Optimization Prerequisites..................................................................................................................................479
Conguring iSCSI Optimization....................................................................................................................................479
Displaying iSCSI Optimization Information.................................................................................................................. 481
27 Intermediate System to Intermediate System...........................................................................................483
IS-IS Protocol Overview................................................................................................................................................483
IS-IS Addressing.............................................................................................................................................................483
Multi-Topology IS-IS...................................................................................................................................................... 484
Transition Mode....................................................................................................................................................... 484
Interface Support.....................................................................................................................................................485
Adjacencies...............................................................................................................................................................485
Graceful Restart............................................................................................................................................................ 485
Timers....................................................................................................................................................................... 485
Implementation Information..........................................................................................................................................485
Conguration Information.............................................................................................................................................486
Conguration Tasks for IS-IS..................................................................................................................................487
Conguring the Distance of a Route.....................................................................................................................494
Changing the IS-Type.............................................................................................................................................. 495
Redistributing IPv4 Routes..................................................................................................................................... 497
Redistributing IPv6 Routes.....................................................................................................................................498
Conguring Authentication Passwords.................................................................................................................499
Setting the Overload Bit......................................................................................................................................... 499
Debugging IS-IS.......................................................................................................................................................500
IS-IS Metric Styles......................................................................................................................................................... 501
Congure Metric Values................................................................................................................................................ 501
Maximum Values in the Routing Table................................................................................................................... 501
Contents
17
Change the IS-IS Metric Style in One Level Only................................................................................................ 501
Leaks from One Level to Another..........................................................................................................................503
Sample Congurations..................................................................................................................................................504
28 Link Aggregation Control Protocol (LACP).............................................................................................. 506
Introduction to Dynamic LAGs and LACP.................................................................................................................. 506
Important Points to Remember............................................................................................................................. 506
LACP Modes............................................................................................................................................................ 507
Conguring LACP Commands............................................................................................................................... 507
LACP Conguration Tasks............................................................................................................................................508
Creating a LAG.........................................................................................................................................................508
Conguring the LAG Interfaces as Dynamic........................................................................................................508
Setting the LACP Long Timeout........................................................................................................................... 509
Monitoring and Debugging LACP..........................................................................................................................509
Shared LAG State Tracking...........................................................................................................................................510
Conguring Shared LAG State Tracking................................................................................................................510
Important Points about Shared LAG State Tracking............................................................................................512
LACP Basic Conguration Example............................................................................................................................. 512
Congure a LAG on ALPHA.................................................................................................................................... 512
29 Layer 2..................................................................................................................................................... 521
Manage the MAC Address Table..................................................................................................................................521
Clearing the MAC Address Table............................................................................................................................521
Setting the Aging Time for Dynamic Entries.........................................................................................................521
Conguring a Static MAC Address........................................................................................................................522
Displaying the MAC Address Table........................................................................................................................ 522
MAC Learning Limit.......................................................................................................................................................522
Setting the MAC Learning Limit............................................................................................................................ 523
mac learning-limit Dynamic.....................................................................................................................................523
mac learning-limit mac-address-sticky................................................................................................................. 523
mac learning-limit station-move.............................................................................................................................524
mac learning-limit no-station-move.......................................................................................................................524
Learning Limit Violation Actions............................................................................................................................. 524
Setting Station Move Violation Actions................................................................................................................ 525
Recovering from Learning Limit and Station Move Violations........................................................................... 525
Disabling MAC Address Learning on the System.................................................................................................526
NIC Teaming................................................................................................................................................................... 526
Congure Redundant Pairs...........................................................................................................................................527
Important Points about Conguring Redundant Pairs........................................................................................ 529
Far-End Failure Detection.............................................................................................................................................530
FEFD State Changes................................................................................................................................................531
Conguring FEFD.................................................................................................................................................... 532
Enabling FEFD on an Interface...............................................................................................................................532
Debugging FEFD......................................................................................................................................................533
30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 535
18
Contents
802.1AB (LLDP) Overview............................................................................................................................................535
Protocol Data Units................................................................................................................................................. 535
Optional TLVs.................................................................................................................................................................536
Management TLVs.................................................................................................................................................. 536
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 538
TIA Organizationally Specic TLVs........................................................................................................................ 538
Congure LLDP..............................................................................................................................................................542
Related Conguration Tasks...................................................................................................................................542
Important Points to Remember............................................................................................................................. 542
LLDP Compatibility..................................................................................................................................................543
CONFIGURATION versus INTERFACE Congurations............................................................................................ 543
Enabling LLDP................................................................................................................................................................543
Disabling and Undoing LLDP.................................................................................................................................. 544
Enabling LLDP on Management Ports........................................................................................................................544
Disabling and Undoing LLDP on Management Ports.......................................................................................... 544
Advertising TLVs............................................................................................................................................................ 544
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................546
Reserved Unrecognized LLDP TLVs..................................................................................................................... 546
Organizational Specic Unrecognized LLDP TLVs..............................................................................................546
Viewing Unrecognized LLDP TLVs........................................................................................................................ 546
Viewing the LLDP Conguration..................................................................................................................................547
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................547
Examples of Viewing Information Advertised by Neighbors...............................................................................547
Conguring LLDPDU Intervals.....................................................................................................................................549
Conguring LLDP Notication Interval.......................................................................................................................550
Conguring Transmit and Receive Mode................................................................................................................... 550
Conguring the Time to Live Value.............................................................................................................................. 551
Debugging LLDP............................................................................................................................................................552
Relevant Management Objects................................................................................................................................... 553
31 Microsoft Network Load Balancing...........................................................................................................558
NLB Unicast Mode Scenario........................................................................................................................................558
NLB Multicast Mode Scenario.....................................................................................................................................558
Limitations of the NLB Feature....................................................................................................................................559
Microsoft Clustering......................................................................................................................................................559
Enable and Disable VLAN Flooding ............................................................................................................................ 559
Conguring a Switch for NLB .....................................................................................................................................559
Enabling a Switch for Multicast NLB.................................................................................................................... 560
32 Multicast Source Discovery Protocol (MSDP)..........................................................................................561
Protocol Overview..........................................................................................................................................................561
Anycast RP.....................................................................................................................................................................562
Implementation Information......................................................................................................................................... 563
Congure Multicast Source Discovery Protocol........................................................................................................563
Related Conguration Tasks...................................................................................................................................563
Enable MSDP................................................................................................................................................................. 567
Contents
19
Manage the Source-Active Cache.............................................................................................................................. 568
Viewing the Source-Active Cache........................................................................................................................ 568
Limiting the Source-Active Cache.........................................................................................................................568
Clearing the Source-Active Cache........................................................................................................................569
Enabling the Rejected Source-Active Cache....................................................................................................... 569
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 569
Specifying Source-Active Messages...........................................................................................................................572
Limiting the Source-Active Messages from a Peer...................................................................................................573
Preventing MSDP from Caching a Local Source....................................................................................................... 573
Preventing MSDP from Caching a Remote Source...................................................................................................574
Preventing MSDP from Advertising a Local Source..................................................................................................574
Logging Changes in Peership States...........................................................................................................................575
Terminating a Peership..................................................................................................................................................575
Clearing Peer Statistics.................................................................................................................................................576
Debugging MSDP.......................................................................................................................................................... 576
MSDP with Anycast RP................................................................................................................................................ 577
Conguring Anycast RP................................................................................................................................................578
Reducing Source-Active Message Flooding.........................................................................................................579
Specifying the RP Address Used in SA Messages.............................................................................................. 579
MSDP Sample Congurations...................................................................................................................................... 581
33 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 584
Protocol Overview.........................................................................................................................................................584
Spanning Tree Variations.............................................................................................................................................. 585
Implementation Information................................................................................................................................... 585
Congure Multiple Spanning Tree Protocol................................................................................................................585
Related Conguration Tasks...................................................................................................................................586
Enable Multiple Spanning Tree Globally...................................................................................................................... 586
Adding and Removing Interfaces.................................................................................................................................586
Creating Multiple Spanning Tree Instances................................................................................................................ 587
Inuencing MSTP Root Selection................................................................................................................................588
Interoperate with Non-Dell Bridges.............................................................................................................................588
Changing the Region Name or Revision..................................................................................................................... 589
Modifying Global Parameters.......................................................................................................................................589
Modifying the Interface Parameters........................................................................................................................... 590
Conguring an EdgePort...............................................................................................................................................591
Flush MAC Addresses after a Topology Change....................................................................................................... 592
MSTP Sample Congurations......................................................................................................................................592
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................593
Debugging and Verifying MSTP Congurations........................................................................................................ 596
34 Multicast Features...................................................................................................................................598
Enabling IP Multicast.....................................................................................................................................................598
Implementation Information......................................................................................................................................... 598
Multicast Policies...........................................................................................................................................................599
20
Contents
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