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PowerSwitch S6000

Dell PowerSwitch S6000 Quick start guide

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Dell Conguration Guide for the S6000 System
9.14.2.2
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks
may be trademarks of their respective owners.
2019 - 07
Rev. A00
Contents
1 About this Guide...........................................................................................................................................37
Audience............................................................................................................................................................................37
Conventions...................................................................................................................................................................... 37
Related Documents..........................................................................................................................................................37
2 Conguration Fundamentals........................................................................................................................ 38
Accessing the Command Line........................................................................................................................................38
CLI Modes.........................................................................................................................................................................38
Navigating CLI Modes...............................................................................................................................................40
The do Command............................................................................................................................................................ 43
Undoing Commands........................................................................................................................................................ 43
Obtaining Help..................................................................................................................................................................44
Entering and Editing Commands....................................................................................................................................44
Command History............................................................................................................................................................45
Filtering show Command Outputs.................................................................................................................................45
Example of the grep Keyword.................................................................................................................................. 45
Multiple Users in Conguration Mode...........................................................................................................................46
Conguring alias command.............................................................................................................................................46
Viewing alias conguration........................................................................................................................................47
3 Getting Started............................................................................................................................................49
Console Access................................................................................................................................................................50
Serial Console.............................................................................................................................................................50
Default Conguration....................................................................................................................................................... 51
Conguring a Host Name................................................................................................................................................ 51
Accessing the System Remotely.................................................................................................................................... 51
Accessing the System Remotely.............................................................................................................................. 51
Congure the Management Port IP Address......................................................................................................... 52
Congure a Management Route..............................................................................................................................52
Conguring a Username and Password..................................................................................................................52
Conguring the Enable Password..................................................................................................................................53
Conguration File Management.....................................................................................................................................54
Copy Files to and from the System......................................................................................................................... 54
Mounting an NFS File System..................................................................................................................................55
Save the Running-Conguration..............................................................................................................................56
Congure the Overload Bit for a Startup Scenario................................................................................................57
Viewing Files............................................................................................................................................................... 57
Managing the File System.............................................................................................................................................. 58
View Command History.................................................................................................................................................. 58
Upgrading Dell EMC Networking OS............................................................................................................................ 60
Using HTTP for File Transfers........................................................................................................................................60
Verify Software Images Before Installation....................................................................................................................61
Contents
3
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
Setting Up a Secure Connection to a Syslog Server.............................................................................................69
Log Messages in the Internal Buer..............................................................................................................................70
Conguration Task List for System Log Management.......................................................................................... 70
Disabling System Logging............................................................................................................................................... 70
Sending System Messages to a Syslog Server.............................................................................................................71
Conguring a UNIX System as 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.............................................................................74
Conguring Concurrent Session Limit.....................................................................................................................74
Enabling the System to Clear Existing Sessions.....................................................................................................74
Enabling Secured CLI Mode........................................................................................................................................... 75
Changing System Logging Settings...............................................................................................................................75
Display the Logging Buer and the Logging Conguration........................................................................................ 76
Conguring a UNIX Logging Facility Level.................................................................................................................... 77
Synchronizing Log Messages......................................................................................................................................... 78
Enabling Timestamp on Syslog Messages.................................................................................................................... 78
File Transfer Services....................................................................................................................................................... 81
Conguration Task List for File Transfer Services...................................................................................................81
Enabling the FTP Server...........................................................................................................................................82
Conguring FTP Server Parameters....................................................................................................................... 82
Conguring FTP Client Parameters.........................................................................................................................82
Terminal Lines...................................................................................................................................................................83
Denying and Permitting Access to a Terminal Line................................................................................................83
Conguring Login Authentication for Terminal Lines.............................................................................................84
Setting Timeout for EXEC Privilege Mode...................................................................................................................85
Using Telnet to get to Another Network Device..........................................................................................................86
Lock CONFIGURATION Mode....................................................................................................................................... 86
Viewing the Conguration Lock Status...................................................................................................................86
Recovering from a Forgotten Password on the S6000.............................................................................................. 87
4
Contents
Recovering from a Forgotten Enable Password...........................................................................................................87
Recovering from a Failed Start on the S6000............................................................................................................. 88
Restoring the Factory Default Settings.........................................................................................................................88
Important Points to Remember................................................................................................................................89
Restoring Factory Default Environment Variables................................................................................................. 89
Viewing the Reason for Last System Reboot.............................................................................................................. 90
Disabling Syslog Messages for SNMP Authentication Failure Events....................................................................... 91
5 802.1X..........................................................................................................................................................92
Port-Authentication Process..........................................................................................................................................94
EAP over RADIUS......................................................................................................................................................94
Conguring 802.1X...........................................................................................................................................................95
Related Conguration Tasks..................................................................................................................................... 95
Important Points to Remember......................................................................................................................................95
Enabling 802.1X................................................................................................................................................................ 96
Conguring dot1x Prole ................................................................................................................................................ 97
Conguring MAC addresses for a do1x Prole.............................................................................................................98
Conguring the Static MAB and MAB Prole .............................................................................................................98
Conguring Critical VLAN ..............................................................................................................................................99
Conguring Request Identity Re-Transmissions......................................................................................................... 100
Conguring a Quiet Period after a Failed Authentication....................................................................................100
Forcibly Authorizing or Unauthorizing a Port...............................................................................................................101
Re-Authenticating a Port...............................................................................................................................................102
Conguring Timeouts.....................................................................................................................................................103
Conguring Dynamic VLAN Assignment with Port Authentication.........................................................................104
Guest and Authentication-Fail VLANs.........................................................................................................................105
Conguring a Guest VLAN......................................................................................................................................105
Conguring an Authentication-Fail VLAN............................................................................................................. 105
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)...................................107
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 107
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 108
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................108
Conguring ACL VLAN Groups.............................................................................................................................. 108
Conguring FP Blocks for VLAN Parameters.......................................................................................................109
Viewing CAM Usage....................................................................................................................................................... 110
Allocating FP Blocks for VLAN Processes....................................................................................................................111
7 Access Control Lists (ACLs)........................................................................................................................113
IP Access Control Lists (ACLs)......................................................................................................................................114
CAM Usage................................................................................................................................................................115
Implementing ACLs on Dell EMC Networking OS................................................................................................ 115
Important Points to Remember..................................................................................................................................... 117
Conguration Task List for Route Maps................................................................................................................. 117
Conguring Match Routes.......................................................................................................................................119
Conguring Set Conditions......................................................................................................................................121
Contents
5
Congure a Route Map for Route Redistribution.................................................................................................122
Congure a Route Map for Route Tagging............................................................................................................122
Continue Clause........................................................................................................................................................123
IP Fragment Handling.....................................................................................................................................................123
IP Fragments ACL Examples...................................................................................................................................123
Layer 4 ACL Rules Examples...................................................................................................................................124
Congure a Standard IP ACL........................................................................................................................................ 124
Conguring a Standard IP ACL Filter..................................................................................................................... 125
Congure an Extended IP ACL..................................................................................................................................... 126
Conguring Filters with a Sequence Number.......................................................................................................126
Conguring Filters Without a Sequence Number.................................................................................................129
Congure Layer 2 and Layer 3 ACLs............................................................................................................................130
Assign an IP ACL to an Interface..................................................................................................................................130
Applying an IP ACL..........................................................................................................................................................131
Counting ACL Hits.....................................................................................................................................................131
Congure Ingress ACLs................................................................................................................................................. 132
Congure Egress ACLs.................................................................................................................................................. 132
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 133
IP Prex Lists.................................................................................................................................................................. 134
Implementation Information.................................................................................................................................... 134
Conguration Task List for Prex Lists.................................................................................................................. 134
ACL Remarks.................................................................................................................................................................. 138
Conguring a Remark.............................................................................................................................................. 138
Deleting a Remark.................................................................................................................................................... 139
ACL Resequencing......................................................................................................................................................... 139
Resequencing an ACL or Prex List.......................................................................................................................140
Route Maps......................................................................................................................................................................141
Implementation Information..................................................................................................................................... 141
Conguring UDF ACL..................................................................................................................................................... 141
Conguring IP Mirror Access Group............................................................................................................................ 144
Sample Conguration...............................................................................................................................................144
Example of viewing IP mirror–access–group applied to an Interface................................................................145
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 146
How BFD Works............................................................................................................................................................. 146
BFD Packet Format..................................................................................................................................................147
BFD Sessions............................................................................................................................................................ 148
BFD Three-Way Handshake.................................................................................................................................... 149
Session State Changes.............................................................................................................................................151
Important Points to Remember.....................................................................................................................................151
Congure BFD................................................................................................................................................................ 152
Congure BFD for Physical Ports...........................................................................................................................152
Congure BFD for Static Routes............................................................................................................................154
Congure BFD for IPv6 Static Routes...................................................................................................................157
Congure BFD for OSPF.........................................................................................................................................160
Congure BFD for OSPFv3.....................................................................................................................................164
6
Contents
Congure BFD for IS-IS...........................................................................................................................................167
Congure BFD for BGP...........................................................................................................................................169
Congure BFD for VRRP.........................................................................................................................................177
Conguring Protocol Liveness................................................................................................................................ 179
9 Border Gateway Protocol (BGP)................................................................................................................ 180
BGP IP version 4 (BGPv4) Overview..........................................................................................................................180
BGP Autonomous Systems.....................................................................................................................................180
AS4 Number Representation.................................................................................................................................. 182
Four-Byte AS Numbers............................................................................................................................................184
BGP router ID............................................................................................................................................................184
Sessions and Peers...................................................................................................................................................184
Establish a Session...................................................................................................................................................185
BGP Attributes for selecting Best Path.................................................................................................................185
Multiprotocol BGP....................................................................................................................................................190
BGP global and address family conguration........................................................................................................ 191
Implement BGP with Dell EMC Networking OS...................................................................................................193
Conguration Information........................................................................................................................................196
Basic BGP conguration tasks..................................................................................................................................... 196
Prerequisite for conguring a BGP network......................................................................................................... 196
Restrictions................................................................................................................................................................197
Enabling BGP............................................................................................................................................................ 197
Enabling four-byte autonomous system numbers................................................................................................199
Changing a BGP router ID...................................................................................................................................... 200
Conguring AS4 Number Representations.......................................................................................................... 200
Conguring a BGP peer..........................................................................................................................................202
Example-Conguring BGP routing between peers............................................................................................. 203
BGP peer group....................................................................................................................................................... 204
Advanced BGP conguration tasks............................................................................................................................. 210
Route-refresh and Soft-reconguration.................................................................................................................211
Aggregating Routes..................................................................................................................................................213
Filtering BGP.............................................................................................................................................................215
Conguring BGP Fast Fall-Over............................................................................................................................ 222
Conguring Passive Peering...................................................................................................................................223
Enabling Graceful Restart.......................................................................................................................................224
Redistributing Routes..............................................................................................................................................225
Enabling Additional Paths....................................................................................................................................... 226
Conguring IP Community Lists.............................................................................................................................227
Conguring an IP Extended Community List....................................................................................................... 228
Congure BGP attributes....................................................................................................................................... 229
Enabling Multipath...................................................................................................................................................233
Route Reectors......................................................................................................................................................234
Enabling Route Flap Dampening............................................................................................................................ 235
Changing BGP keepalive and hold timers............................................................................................................. 237
Setting the extended timer.....................................................................................................................................238
Enabling or disabling BGP neighbors.....................................................................................................................239
Contents
7
Route Map Continue............................................................................................................................................... 240
Conguring BGP Confederations.......................................................................................................................... 240
Conguring a BGP VRF address family................................................................................................................. 241
Maintaining Existing AS Numbers During an AS Migration................................................................................ 242
Allowing an AS Number to Appear in its Own AS Path.......................................................................................243
Enabling MBGP Congurations..............................................................................................................................244
MBGP support for IPv6.......................................................................................................................................... 244
Conguring IPv6 MBGP between peers.............................................................................................................. 245
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 246
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 248
BGP Regular Expression Optimization..................................................................................................................250
Debugging BGP....................................................................................................................................................... 250
10 Content Addressable Memory (CAM).......................................................................................................253
CAM Allocation.............................................................................................................................................................. 253
Test CAM Usage............................................................................................................................................................255
View CAM Proles.........................................................................................................................................................255
View CAM-ACL Settings.............................................................................................................................................. 256
View CAM Usage...........................................................................................................................................................257
Conguring CAM Threshold and Silence Period........................................................................................................258
Setting CAM Threshold and Silence Period......................................................................................................... 258
CAM Optimization......................................................................................................................................................... 259
Troubleshoot CAM Proling..........................................................................................................................................259
QoS CAM Region Limitation...................................................................................................................................259
Syslog Error When the Table is Full....................................................................................................................... 260
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................260
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................260
Unied Forwarding Table (UFT) Modes..................................................................................................................... 260
Conguring UFT Modes......................................................................................................................................... 260
11 Control Plane Policing (CoPP).................................................................................................................. 262
Congure Control Plane Policing................................................................................................................................. 263
Conguring CoPP for Protocols............................................................................................................................ 264
Conguring CoPP for CPU Queues...................................................................................................................... 266
Protocol to CPU Queue Mapping.......................................................................................................................... 267
Conguring Protocol to CPU Queue Mapping.....................................................................................................267
Displaying CoPP Conguration ............................................................................................................................. 268
12 Data Center Bridging (DCB)..................................................................................................................... 270
Ethernet Enhancements in Data Center Bridging......................................................................................................270
Priority-Based Flow Control.................................................................................................................................... 271
Enhanced Transmission Selection..........................................................................................................................272
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................273
Data Center Bridging in a Trac Flow...................................................................................................................274
Enabling Data Center Bridging......................................................................................................................................274
DCB Maps and its Attributes..................................................................................................................................275
8
Contents
Data Center Bridging: Default Conguration..............................................................................................................276
Conguring Priority-Based Flow Control.................................................................................................................... 276
Conguring Lossless Queues........................................................................................................................................277
Conguring PFC in a DCB Map................................................................................................................................... 279
PFC Conguration Notes........................................................................................................................................279
PFC Prerequisites and Restrictions.......................................................................................................................280
Conguring PFC without a DCB Map.........................................................................................................................280
Conguring Lossless QueuesExample:..................................................................................................................280
Priority-Based Flow Control Using Dynamic Buer Method..............................................................................282
Behavior of Tagged Packets.........................................................................................................................................283
Conguration Example for DSCP and PFC Priorities................................................................................................283
SNMP Support for PFC and Buer Statistics Tracking............................................................................................284
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................285
PFC and ETS Conguration Examples........................................................................................................................286
Using PFC to Manage Converged Ethernet Trac...................................................................................................286
Operations on Untagged Packets................................................................................................................................286
Generation of PFC for a Priority for Untagged Packets........................................................................................... 287
Congure Enhanced Transmission Selection..............................................................................................................287
ETS Prerequisites and Restrictions........................................................................................................................287
Creating an ETS Priority Group..............................................................................................................................287
ETS Operation with DCBx......................................................................................................................................288
Conguring Bandwidth Allocation for DCBx CIN................................................................................................ 289
Conguring ETS in a DCB Map............................................................................................................................. 290
Hierarchical Scheduling in ETS Output Policies..........................................................................................................291
Using ETS to Manage Converged Ethernet Trac....................................................................................................291
Applying DCB Policies in a Switch Stack.................................................................................................................... 292
Congure a DCBx Operation........................................................................................................................................292
DCBx Operation....................................................................................................................................................... 292
DCBx Port Roles...................................................................................................................................................... 292
DCB Conguration Exchange................................................................................................................................ 294
Conguration Source Election................................................................................................................................294
Propagation of DCB Information........................................................................................................................... 295
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 295
DCBx Example......................................................................................................................................................... 295
DCBx Prerequisites and Restrictions.....................................................................................................................296
Conguring DCBx....................................................................................................................................................296
Verifying the DCB Conguration................................................................................................................................. 300
QoS dot1p Trac Classication and Queue Assignment..........................................................................................308
Conguring the Dynamic Buer Method................................................................................................................... 309
Sample DCB Conguration........................................................................................................................................... 310
PFC and ETS Conguration Command Examples............................................................................................... 312
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................313
DHCP Packet Format and Options.............................................................................................................................. 313
Assign an IP Address using DHCP................................................................................................................................315
Implementation Information.......................................................................................................................................... 316
Contents
9
Congure the System to be a DHCP Server.............................................................................................................. 316
Conguring the Server for Automatic Address Allocation...................................................................................317
Specifying a Default Gateway.................................................................................................................................318
Congure a Method of Hostname Resolution...................................................................................................... 319
Using DNS for Address Resolution.........................................................................................................................319
Using NetBIOS WINS for Address Resolution...................................................................................................... 319
Creating Manual Binding Entries............................................................................................................................ 319
Debugging the DHCP Server.................................................................................................................................320
Using DHCP Clear Commands.............................................................................................................................. 320
Congure the System to be a DHCP Client............................................................................................................... 320
Conguring the DHCP Client System....................................................................................................................321
DHCP Client on a Management Interface............................................................................................................ 322
DHCP Client Operation with Other Features.......................................................................................................323
DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 324
Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 324
Non-default VRF conguration for DHCPv6 helper address................................................................................... 325
Conguring DHCP relay source interface...................................................................................................................325
Global DHCP relay source IPv4 or IPv6 conguration ....................................................................................... 325
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................326
Congure the System for User Port Stacking (Option 230)....................................................................................327
Congure Secure DHCP............................................................................................................................................... 327
Option 82 (DHCPv4 relay options)........................................................................................................................328
DHCPv6 relay agent options..................................................................................................................................329
DHCP Snooping.......................................................................................................................................................329
Conguring the DHCP secondary-subnet............................................................................................................334
Drop DHCP Packets on Snooped VLANs Only....................................................................................................334
Dynamic ARP Inspection........................................................................................................................................ 335
Conguring Dynamic ARP Inspection................................................................................................................... 335
Source Address Validation.............................................................................................................................................337
Enabling IP Source Address Validation.................................................................................................................. 337
DHCP MAC Source Address Validation................................................................................................................ 338
Enabling IP+MAC Source Address Validation.......................................................................................................338
Viewing the Number of SAV Dropped Packets....................................................................................................339
Clearing the Number of SAV Dropped Packets................................................................................................... 339
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 340
ECMP for Flow-Based Anity.....................................................................................................................................340
Conguring the Hash Algorithm............................................................................................................................ 340
Enabling Deterministic ECMP Next Hop.............................................................................................................. 340
Conguring the Hash Algorithm Seed................................................................................................................... 341
Link Bundle Monitoring.................................................................................................................................................. 341
Managing ECMP Group Paths...............................................................................................................................342
Creating an ECMP Group Bundle.......................................................................................................................... 342
Modifying the ECMP Group Threshold.................................................................................................................342
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................343
Support for ECMP in host table............................................................................................................................ 344
10
Contents
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 344
RTAG7............................................................................................................................................................................. 344
Flow-based Hashing for ECMP................................................................................................................................... 345
15 FIP Snooping............................................................................................................................................348
Fibre Channel over Ethernet........................................................................................................................................ 348
Ensure Robustness in a Converged Ethernet Network............................................................................................ 348
FIP Snooping on Ethernet Bridges..............................................................................................................................350
FIP Snooping in a Switch Stack...................................................................................................................................352
Using FIP Snooping....................................................................................................................................................... 352
FIP Snooping Prerequisites.....................................................................................................................................352
Important Points to Remember............................................................................................................................. 352
Enabling the FCoE Transit Feature........................................................................................................................353
Enable FIP Snooping on VLANs.............................................................................................................................354
Congure the FC-MAP Value................................................................................................................................ 354
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................354
Congure a Port for a Bridge-to-FCF Link...........................................................................................................354
Impact on Other Software Features..................................................................................................................... 354
FIP Snooping Restrictions...................................................................................................................................... 355
Conguring FIP Snooping.......................................................................................................................................355
Displaying FIP Snooping Information...........................................................................................................................356
FCoE Transit Conguration Example........................................................................................................................... 361
16 Flex Hash and Optimized Boot-Up............................................................................................................363
Flex Hash Capability Overview.....................................................................................................................................363
Conguring the Flex Hash Mechanism.......................................................................................................................363
Conguring Fast Boot and LACP Fast Switchover...................................................................................................364
Optimizing the Boot Time.............................................................................................................................................364
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................364
Guidelines for Conguring Optimized Booting Mechanism................................................................................365
Interoperation of Applications with Fast Boot and System States..........................................................................366
LACP and IPv4 Routing.......................................................................................................................................... 366
LACP and IPv6 Routing..........................................................................................................................................366
BGP Graceful Restart..............................................................................................................................................367
Cold Boot Caused by Power Cycling the System................................................................................................367
Unexpected Reload of the System........................................................................................................................367
Software Upgrade....................................................................................................................................................367
LACP Fast Switchover............................................................................................................................................367
Changes to BGP Multipath.................................................................................................................................... 368
Delayed Installation of ECMP Routes Into BGP...................................................................................................368
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 368
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................369
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 370
Protocol Overview......................................................................................................................................................... 370
Ring Status................................................................................................................................................................ 371
Contents
11
Multiple FRRP Rings................................................................................................................................................ 371
Important FRRP Points........................................................................................................................................... 372
Important FRRP Concepts..................................................................................................................................... 373
Implementing FRRP....................................................................................................................................................... 374
FRRP Conguration.......................................................................................................................................................374
Creating the FRRP Group....................................................................................................................................... 374
Conguring the Control VLAN............................................................................................................................... 374
Conguring and Adding the Member VLANs.......................................................................................................376
Setting the FRRP Timers........................................................................................................................................ 377
Clearing the FRRP Counters.................................................................................................................................. 377
Viewing the FRRP Conguration........................................................................................................................... 377
Viewing the FRRP Information...............................................................................................................................377
Troubleshooting FRRP...................................................................................................................................................378
Conguration Checks.............................................................................................................................................. 378
Sample Conguration and Topology............................................................................................................................ 378
FRRP Support on VLT...................................................................................................................................................379
Example Scenario.................................................................................................................................................... 380
Important Points to Remember.............................................................................................................................. 381
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................382
Important Points to Remember....................................................................................................................................382
Congure GVRP............................................................................................................................................................ 383
Related Conguration Tasks...................................................................................................................................383
Enabling GVRP Globally................................................................................................................................................ 384
Enabling GVRP on a Layer 2 Interface........................................................................................................................384
Congure GVRP Registration...................................................................................................................................... 384
Congure a GARP Timer.............................................................................................................................................. 385
19 Internet Group Management Protocol (IGMP)......................................................................................... 386
IGMP Implementation Information.............................................................................................................................. 386
IGMP Protocol Overview..............................................................................................................................................386
IGMP Version 2........................................................................................................................................................ 386
IGMP Version 3........................................................................................................................................................ 388
Congure IGMP..............................................................................................................................................................391
Related Conguration Tasks....................................................................................................................................391
Viewing IGMP Enabled Interfaces............................................................................................................................... 392
Selecting an IGMP Version...........................................................................................................................................392
Viewing IGMP Groups...................................................................................................................................................393
Viewing IGMP Snooping Groups..................................................................................................................................393
Adjusting Timers............................................................................................................................................................ 393
Adjusting Query and Response Timers................................................................................................................. 393
Enabling IGMP Immediate-Leave.................................................................................................................................394
IGMP Snooping..............................................................................................................................................................395
IGMP Snooping Implementation Information.......................................................................................................395
Conguring IGMP Snooping.................................................................................................................................. 395
Removing a Group-Port Association.....................................................................................................................396
12
Contents
Disabling Multicast Flooding...................................................................................................................................396
Specifying a Port as Connected to a Multicast Router...................................................................................... 396
Conguring the Switch as Querier.........................................................................................................................397
Fast Convergence after MSTP Topology Changes................................................................................................... 397
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................ 397
Protocol Separation.................................................................................................................................................398
Enabling and Disabling Management Egress Interface Selection...................................................................... 399
Handling of Management Route Conguration...................................................................................................400
Handling of Switch-Initiated Trac.......................................................................................................................400
Handling of Switch-Destined Trac...................................................................................................................... 401
Handling of Transit Trac (Trac Separation).................................................................................................... 402
Mapping of Management Applications and Trac Type.....................................................................................402
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 403
Behavior of Various Applications for Switch-Destined Trac .......................................................................... 404
Interworking of EIS With Various Applications.....................................................................................................404
Designating a Multicast Router Interface...................................................................................................................405
20 Interfaces................................................................................................................................................ 406
Basic Interface Conguration.......................................................................................................................................406
Advanced Interface Conguration...............................................................................................................................406
Interface Types...............................................................................................................................................................407
View Basic Interface Information................................................................................................................................. 407
Resetting an Interface to its Factory Default State...................................................................................................409
Enabling a Physical Interface........................................................................................................................................ 410
Physical Interfaces......................................................................................................................................................... 410
Conguration Task List for Physical Interfaces.....................................................................................................410
40G to 1G Breakout Cable Adaptor........................................................................................................................410
Overview of Layer Modes........................................................................................................................................411
Conguring Layer 2 (Data Link) Mode.................................................................................................................. 412
Conguring Layer 2 (Interface) Mode................................................................................................................... 412
Conguring Layer 3 (Network) Mode....................................................................................................................412
Conguring Layer 3 (Interface) Mode................................................................................................................... 413
Automatic recovery of an Err-disabled interface........................................................................................................414
Conguring an automatic recovery for an Err-disabled interface.......................................................................414
Egress Interface Selection (EIS)...................................................................................................................................415
Important Points to Remember.............................................................................................................................. 415
Conguring EIS.........................................................................................................................................................415
Management Interfaces.................................................................................................................................................416
Conguring Management Interfaces..................................................................................................................... 416
Conguring a Management Interface on an Ethernet Port.................................................................................417
VLAN Interfaces............................................................................................................................................................. 418
Loopback Interfaces.......................................................................................................................................................419
Null Interfaces.................................................................................................................................................................419
Port Channel Interfaces.................................................................................................................................................419
Port Channel Denition and Standards.................................................................................................................420
Port Channel Benets.............................................................................................................................................420
Contents
13
Port Channel Implementation.................................................................................................................................420
Interfaces in Port Channels.....................................................................................................................................421
Conguration Tasks for Port Channel Interfaces..................................................................................................421
Creating a Port Channel.......................................................................................................................................... 421
Adding a Physical Interface to a Port Channel.....................................................................................................422
Reassigning an Interface to a New Port Channel................................................................................................ 423
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 424
Adding or Removing a Port Channel from a VLAN............................................................................................. 424
Assigning an IP Address to a Port Channel.......................................................................................................... 425
Deleting or Disabling a Port Channel.....................................................................................................................426
Load Balancing Through Port Channels................................................................................................................426
Changing the Hash Algorithm................................................................................................................................426
Bulk Conguration..........................................................................................................................................................427
Interface Range........................................................................................................................................................427
Bulk Conguration Examples..................................................................................................................................428
Dening Interface Range Macros................................................................................................................................ 429
Dene the Interface Range.................................................................................................................................... 429
Choosing an Interface-Range Macro.................................................................................................................... 429
Monitoring and Maintaining Interfaces....................................................................................................................... 430
Maintenance Using TDR..........................................................................................................................................431
Non Dell-Qualied Transceivers.................................................................................................................................... 431
Splitting 40G Ports without Reload.............................................................................................................................432
Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 434
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................434
Important Points to Remember............................................................................................................................. 435
Example Scenarios.................................................................................................................................................. 435
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................439
Link Dampening..............................................................................................................................................................439
Important Points to Remember............................................................................................................................. 440
Conguration Example of Link Dampening...........................................................................................................440
Enabling Link Dampening........................................................................................................................................442
Link Bundle Monitoring................................................................................................................................................. 443
Using Ethernet Pause Frames for Flow Control........................................................................................................ 444
Enabling Pause Frames........................................................................................................................................... 444
Congure the MTU Size on an Interface....................................................................................................................445
Port-Pipes.......................................................................................................................................................................446
Auto-Negotiation on Ethernet Interfaces...................................................................................................................446
Setting the Speed of Ethernet Interfaces............................................................................................................ 446
Set Auto-Negotiation Options................................................................................................................................447
View Advanced Interface Information.........................................................................................................................448
Conguring the Interface Sampling Size.............................................................................................................. 449
Conguring the Trac Sampling Size Globally.......................................................................................................... 450
Dynamic Counters.......................................................................................................................................................... 451
Clearing Interface Counters.................................................................................................................................... 451
Compressing Conguration Files................................................................................................................................. 452
14
Contents
21 IPv4 Routing............................................................................................................................................ 455
IP Addresses...................................................................................................................................................................456
Implementation Information................................................................................................................................... 456
Conguration Tasks for IP Addresses......................................................................................................................... 456
Assigning IP Addresses to an Interface.......................................................................................................................456
Conguring Static Routes.............................................................................................................................................457
Adding description for IPv4 and IPv6 static routes.............................................................................................458
Congure Static Routes for the Management Interface..........................................................................................459
Using the Congured Source IP Address in ICMP Messages..................................................................................459
Conguring the ICMP Source Interface............................................................................................................... 459
Conguring the Duration to Establish a TCP Connection........................................................................................ 460
Enabling Directed Broadcast........................................................................................................................................ 460
Resolution of Host Names............................................................................................................................................ 461
Enabling Dynamic Resolution of Host Names.............................................................................................................461
Specifying the Local System Domain and a List of Domains.................................................................................... 461
Conguring DNS with Traceroute................................................................................................................................462
ARP................................................................................................................................................................................. 463
Conguration Tasks for ARP........................................................................................................................................ 463
Conguring Static ARP Entries....................................................................................................................................463
Enabling Proxy ARP.......................................................................................................................................................464
Clearing ARP Cache......................................................................................................................................................464
ARP Learning via Gratuitous ARP................................................................................................................................464
Enabling ARP Learning via Gratuitous ARP................................................................................................................464
ARP Learning via ARP Request................................................................................................................................... 465
Conguring ARP Retries...............................................................................................................................................465
ICMP............................................................................................................................................................................... 466
Conguration Tasks for ICMP......................................................................................................................................466
Enabling ICMP Unreachable Messages...................................................................................................................... 466
ICMP Redirects..............................................................................................................................................................466
UDP Helper.....................................................................................................................................................................468
Congure UDP Helper.............................................................................................................................................468
Important Points to Remember............................................................................................................................. 468
Enabling UDP Helper.....................................................................................................................................................468
Conguring a Broadcast Address................................................................................................................................ 468
Congurations Using UDP Helper............................................................................................................................... 469
UDP Helper with Broadcast-All Addresses.................................................................................................................469
UDP Helper with Subnet Broadcast Addresses.........................................................................................................470
UDP Helper with Congured Broadcast Addresses.................................................................................................. 470
UDP Helper with No Congured Broadcast Addresses.............................................................................................471
Troubleshooting UDP Helper.........................................................................................................................................471
22 IPv6 Routing............................................................................................................................................ 472
Protocol Overview......................................................................................................................................................... 472
Extended Address Space........................................................................................................................................473
Stateless Autoconguration....................................................................................................................................473
Contents
15
IPv6 Headers............................................................................................................................................................473
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support....................................................................474
IPv6 Header Fields...................................................................................................................................................475
Extension Header Fields..........................................................................................................................................477
Addressing................................................................................................................................................................ 478
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 479
ICMPv6...........................................................................................................................................................................480
Path MTU discovery...................................................................................................................................................... 481
IPv6 Neighbor Discovery...............................................................................................................................................481
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................482
Conguring the IPv6 Recursive DNS Server....................................................................................................... 482
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 483
Displaying IPv6 RDNSS Information......................................................................................................................483
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 484
Conguration Tasks for IPv6........................................................................................................................................ 484
Adjusting Your CAM-Prole....................................................................................................................................484
Assigning an IPv6 Address to an Interface...........................................................................................................485
Assigning a Static IPv6 Route................................................................................................................................486
Conguring Telnet with IPv6..................................................................................................................................486
SNMP over IPv6...................................................................................................................................................... 487
Displaying IPv6 Information.................................................................................................................................... 487
Displaying an IPv6 Interface Information...............................................................................................................487
Showing IPv6 Routes..............................................................................................................................................488
Showing the Running-Conguration for an Interface.........................................................................................489
Clearing IPv6 Routes...............................................................................................................................................490
Disabling ND Entry Timeout................................................................................................................................... 490
Conguring IPv6 RA Guard...........................................................................................................................................491
Conguring IPv6 RA Guard on an Interface.........................................................................................................492
Monitoring IPv6 RA Guard......................................................................................................................................493
23 iSCSI Optimization...................................................................................................................................494
iSCSI Optimization Overview....................................................................................................................................... 494
Monitoring iSCSI Trac Flows...............................................................................................................................496
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 496
Information Monitored in iSCSI Trac Flows.......................................................................................................496
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 497
Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 497
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................498
Enable and Disable iSCSI Optimization................................................................................................................. 498
Default iSCSI Optimization Values...............................................................................................................................499
iSCSI Optimization Prerequisites................................................................................................................................. 499
Conguring iSCSI Optimization................................................................................................................................... 499
Displaying iSCSI Optimization Information.................................................................................................................. 501
24 Intermediate System to Intermediate System.......................................................................................... 503
IS-IS Protocol Overview............................................................................................................................................... 503
16
Contents
IS-IS Addressing.............................................................................................................................................................503
Multi-Topology IS-IS...................................................................................................................................................... 504
Transition Mode....................................................................................................................................................... 504
Interface Support.................................................................................................................................................... 505
Adjacencies.............................................................................................................................................................. 505
Graceful Restart............................................................................................................................................................ 505
Timers....................................................................................................................................................................... 505
Implementation Information......................................................................................................................................... 505
Conguration Information.............................................................................................................................................506
Conguration Tasks for IS-IS..................................................................................................................................507
Conguring the Distance of a Route......................................................................................................................514
Changing the IS-Type...............................................................................................................................................515
Redistributing IPv4 Routes......................................................................................................................................517
Redistributing IPv6 Routes......................................................................................................................................518
Conguring Authentication Passwords..................................................................................................................519
Setting the Overload Bit..........................................................................................................................................519
Debugging IS-IS....................................................................................................................................................... 520
IS-IS Metric Styles..........................................................................................................................................................521
Congure Metric Values................................................................................................................................................ 521
Maximum Values in the Routing Table................................................................................................................... 521
Change the IS-IS Metric Style in One Level Only.................................................................................................521
Leaks from One Level to Another..........................................................................................................................523
Sample Congurations.................................................................................................................................................. 524
25 In-Service Software Upgrade.................................................................................................................. 526
ISSU Introduction...........................................................................................................................................................526
Warmboot Limitations.............................................................................................................................................526
Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................. 526
L2 ISSU........................................................................................................................................................................... 527
L3 ISSU........................................................................................................................................................................... 527
CoPP............................................................................................................................................................................... 528
Mirroring ow control packets..................................................................................................................................... 528
PFC..................................................................................................................................................................................528
QoS..................................................................................................................................................................................528
Tunnel Conguration..................................................................................................................................................... 528
26 Link Aggregation Control Protocol (LACP).............................................................................................. 530
Introduction to Dynamic LAGs and LACP.................................................................................................................. 530
Important Points to Remember............................................................................................................................. 530
LACP Modes.............................................................................................................................................................531
Conguring LACP Commands................................................................................................................................531
LACP Conguration Tasks............................................................................................................................................532
Creating a LAG.........................................................................................................................................................532
Conguring the LAG Interfaces as Dynamic........................................................................................................532
Setting the LACP Long Timeout............................................................................................................................533
Monitoring and Debugging LACP..........................................................................................................................533
Contents
17
Shared LAG State Tracking.......................................................................................................................................... 534
Conguring Shared LAG State Tracking...............................................................................................................534
Important Points about Shared LAG State Tracking...........................................................................................536
LACP Basic Conguration Example............................................................................................................................ 536
Congure a LAG on ALPHA................................................................................................................................... 536
27 Layer 2.....................................................................................................................................................545
Manage the MAC Address Table................................................................................................................................. 545
Clearing the MAC Address Table...........................................................................................................................545
Setting the Aging Time for Dynamic Entries........................................................................................................545
Conguring a Static MAC Address........................................................................................................................546
Displaying the MAC Address Table........................................................................................................................546
MAC Learning Limit.......................................................................................................................................................546
Setting the MAC Learning Limit.............................................................................................................................547
mac learning-limit Dynamic.....................................................................................................................................547
mac learning-limit mac-address-sticky................................................................................................................. 547
mac learning-limit station-move............................................................................................................................ 548
mac learning-limit no-station-move...................................................................................................................... 548
Learning Limit Violation Actions.............................................................................................................................548
Setting Station Move Violation Actions................................................................................................................ 549
Recovering from Learning Limit and Station Move Violations........................................................................... 549
Disabling MAC Address Learning on the System................................................................................................ 550
Enabling port security............................................................................................................................................. 550
NIC Teaming...................................................................................................................................................................550
Congure Redundant Pairs........................................................................................................................................... 551
Important Points about Conguring Redundant Pairs........................................................................................ 553
Far-End Failure Detection.............................................................................................................................................554
FEFD State Changes.............................................................................................................................................. 555
Conguring FEFD....................................................................................................................................................556
Enabling FEFD on an Interface.............................................................................................................................. 556
Debugging FEFD......................................................................................................................................................557
28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 559
802.1AB (LLDP) Overview........................................................................................................................................... 559
Protocol Data Units................................................................................................................................................. 559
Optional TLVs.................................................................................................................................................................560
Management TLVs.................................................................................................................................................. 560
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 562
TIA Organizationally Specic TLVs........................................................................................................................ 562
Congure LLDP............................................................................................................................................................. 566
Related Conguration Tasks...................................................................................................................................566
Important Points to Remember............................................................................................................................. 566
LLDP Compatibility.................................................................................................................................................. 567
CONFIGURATION versus INTERFACE Congurations............................................................................................ 567
Enabling LLDP................................................................................................................................................................567
Disabling and Undoing LLDP..................................................................................................................................568
18
Contents
Enabling LLDP on Management Ports........................................................................................................................568
Disabling and Undoing LLDP on Management Ports..........................................................................................568
Advertising TLVs............................................................................................................................................................568
Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 570
Reserved Unrecognized LLDP TLVs..................................................................................................................... 570
Organizational Specic Unrecognized LLDP TLVs.............................................................................................. 570
Viewing Unrecognized LLDP TLVs........................................................................................................................ 570
Viewing the LLDP Conguration.................................................................................................................................. 571
Viewing Information Advertised by Adjacent LLDP Neighbors.................................................................................571
Examples of Viewing Information Advertised by Neighbors............................................................................... 571
Conguring LLDPDU Intervals......................................................................................................................................574
Conguring LLDP Notication Interval....................................................................................................................... 575
Conguring Transmit and Receive Mode....................................................................................................................575
Conguring the Time to Live Value..............................................................................................................................576
Debugging LLDP............................................................................................................................................................ 576
Relevant Management Objects....................................................................................................................................577
29 Microsoft Network Load Balancing.......................................................................................................... 583
NLB Unicast Mode Scenario........................................................................................................................................583
NLB Multicast Mode Scenario.....................................................................................................................................583
Limitations of the NLB Feature....................................................................................................................................584
Microsoft Clustering......................................................................................................................................................584
Enable and Disable VLAN Flooding ............................................................................................................................ 584
Conguring a Switch for NLB .....................................................................................................................................584
Enabling a Switch for Multicast NLB.................................................................................................................... 585
30 Multicast Source Discovery Protocol (MSDP).........................................................................................586
Protocol Overview.........................................................................................................................................................586
Anycast RP..................................................................................................................................................................... 587
Implementation Information......................................................................................................................................... 588
Congure Multicast Source Discovery Protocol........................................................................................................588
Related Conguration Tasks...................................................................................................................................588
Enable MSDP................................................................................................................................................................. 592
Manage the Source-Active Cache.............................................................................................................................. 593
Viewing the Source-Active Cache.........................................................................................................................593
Limiting the Source-Active Cache.........................................................................................................................593
Clearing the Source-Active Cache........................................................................................................................ 594
Enabling the Rejected Source-Active Cache....................................................................................................... 594
Accept Source-Active Messages that Fail the RFP Check......................................................................................594
Specifying Source-Active Messages...........................................................................................................................597
Limiting the Source-Active Messages from a Peer...................................................................................................598
Preventing MSDP from Caching a Local Source.......................................................................................................598
Preventing MSDP from Caching a Remote Source.................................................................................................. 599
Preventing MSDP from Advertising a Local Source................................................................................................. 599
Logging Changes in Peership States...........................................................................................................................600
Terminating a Peership..................................................................................................................................................600
Contents
19
Clearing Peer Statistics................................................................................................................................................. 601
Debugging MSDP...........................................................................................................................................................601
MSDP with Anycast RP................................................................................................................................................602
Conguring Anycast RP................................................................................................................................................603
Reducing Source-Active Message Flooding........................................................................................................ 604
Specifying the RP Address Used in SA Messages..............................................................................................604
MSDP Sample Congurations..................................................................................................................................... 606
31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 609
Protocol Overview.........................................................................................................................................................609
Spanning Tree Variations............................................................................................................................................... 610
Implementation Information.................................................................................................................................... 610
Congure Multiple Spanning Tree Protocol.................................................................................................................610
Related Conguration Tasks.................................................................................................................................... 611
Enable Multiple Spanning Tree Globally........................................................................................................................611
Adding and Removing Interfaces.................................................................................................................................. 611
Creating Multiple Spanning Tree Instances.................................................................................................................612
Inuencing MSTP Root Selection................................................................................................................................ 613
Interoperate with Non-Dell Bridges..............................................................................................................................613
Changing the Region Name or Revision......................................................................................................................614
Modifying Global Parameters........................................................................................................................................614
Modifying the Interface Parameters............................................................................................................................ 615
Setting STP path cost as constant..............................................................................................................................616
Conguring an EdgePort............................................................................................................................................... 617
Flush MAC Addresses after a Topology Change........................................................................................................ 617
MSTP Sample Congurations.......................................................................................................................................618
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration........................................................................................618
Debugging and Verifying MSTP Congurations......................................................................................................... 621
32 Multicast Features................................................................................................................................... 623
Enabling IP Multicast.....................................................................................................................................................623
Implementation Information..........................................................................................................................................623
Multicast Policies........................................................................................................................................................... 624
IPv4 Multicast Policies............................................................................................................................................ 624
Understanding Multicast Traceroute (mtrace)........................................................................................................... 631
Important Points to Remember............................................................................................................................. 632
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 632
Supported Error Codes................................................................................................................................................. 633
mtrace Scenarios...........................................................................................................................................................634
33 Object Tracking....................................................................................................................................... 640
Object Tracking Overview............................................................................................................................................ 640
Track Layer 2 Interfaces.......................................................................................................................................... 641
Track Layer 3 Interfaces.......................................................................................................................................... 641
Track IPv4 and IPv6 Routes................................................................................................................................... 642
20
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