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Dell PowerSwitch S6100-ON Quick start guide

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Dell Conguration Guide for the S6100–ON
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.................................................................................................................................. 46
Multiple Users in Conguration Mode...........................................................................................................................46
Conguring alias command.............................................................................................................................................47
Viewing alias conguration........................................................................................................................................47
3 Getting Started............................................................................................................................................49
Console Access................................................................................................................................................................50
Serial Console.............................................................................................................................................................50
Micro USB-B Access..................................................................................................................................................51
Default Conguration...................................................................................................................................................... 52
Conguring a Host Name............................................................................................................................................... 52
Accessing the System Remotely....................................................................................................................................52
Accessing the System Remotely..............................................................................................................................52
Congure the Management Port IP Address......................................................................................................... 52
Congure a Management Route..............................................................................................................................53
Conguring a Username and Password..................................................................................................................53
Conguring the Enable Password..................................................................................................................................54
Conguration File Management.....................................................................................................................................54
Copy Files to and from the System......................................................................................................................... 54
Mounting an NFS File System..................................................................................................................................55
Save the Running-Conguration..............................................................................................................................57
Congure the Overload Bit for a Startup Scenario................................................................................................57
Viewing Files............................................................................................................................................................... 57
Managing the File System.............................................................................................................................................. 58
View Command History.................................................................................................................................................. 59
Upgrading Dell EMC Networking OS............................................................................................................................. 61
Using HTTP for File Transfers.........................................................................................................................................61
Contents
3
Verify Software Images Before Installation....................................................................................................................61
4 Management................................................................................................................................................63
Conguring Privilege Levels............................................................................................................................................63
Creating a Custom Privilege Level...........................................................................................................................64
Removing a Command from EXEC Mode.............................................................................................................. 64
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................64
Allowing Access to CONFIGURATION Mode Commands....................................................................................64
Allowing Access to Dierent Modes........................................................................................................................64
Applying a Privilege Level to a Username............................................................................................................... 66
Applying a Privilege Level to a Terminal Line.......................................................................................................... 66
Conguring Logging........................................................................................................................................................ 66
Audit and Security Logs............................................................................................................................................ 67
Conguring Logging Format ...................................................................................................................................68
Setting Up a Secure Connection to a Syslog Server.............................................................................................68
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............................................................................................................ 70
Conguring a UNIX System as a Syslog Server.....................................................................................................70
Track Login Activity.......................................................................................................................................................... 71
Restrictions for Tracking Login Activity................................................................................................................... 71
Conguring Login Activity Tracking..........................................................................................................................71
Display Login Statistics..............................................................................................................................................72
Limit Concurrent Login Sessions....................................................................................................................................73
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................73
Conguring Concurrent Session Limit.....................................................................................................................73
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....................................................................................................................76
Synchronizing Log Messages......................................................................................................................................... 77
Enabling Timestamp on Syslog Messages.................................................................................................................... 78
File Transfer Services...................................................................................................................................................... 80
Conguration Task List for File Transfer Services...................................................................................................81
Enabling the FTP Server............................................................................................................................................81
Conguring FTP Server Parameters........................................................................................................................ 81
Conguring FTP Client Parameters.........................................................................................................................82
Terminal Lines................................................................................................................................................................... 82
Denying and Permitting Access to a Terminal Line................................................................................................82
Conguring Login Authentication for Terminal Lines.............................................................................................83
Setting Timeout for EXEC Privilege Mode................................................................................................................... 84
Using Telnet to get to Another Network Device..........................................................................................................85
Lock CONFIGURATION Mode.......................................................................................................................................85
Viewing the Conguration Lock Status...................................................................................................................86
4
Contents
LPC Bus Quality Degradation.........................................................................................................................................86
LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................87
Restoring the Factory Default Settings.........................................................................................................................87
Important Points to Remember................................................................................................................................87
Restoring Factory Default Environment Variables................................................................................................. 88
Reloading the system...................................................................................................................................................... 89
Viewing the Reason for Last System Reboot.............................................................................................................. 90
5 802.1X.......................................................................................................................................................... 91
Port-Authentication Process.......................................................................................................................................... 93
EAP over RADIUS......................................................................................................................................................93
Conguring 802.1X...........................................................................................................................................................94
Related Conguration Tasks..................................................................................................................................... 94
Important Points to Remember......................................................................................................................................94
Enabling 802.1X................................................................................................................................................................ 95
Conguring dot1x Prole ................................................................................................................................................96
Conguring MAC addresses for a do1x Prole............................................................................................................. 97
Conguring the Static MAB and MAB Prole ............................................................................................................. 97
Conguring Critical VLAN ..............................................................................................................................................98
Conguring Request Identity Re-Transmissions...........................................................................................................99
Conguring a Quiet Period after a Failed Authentication..................................................................................... 99
Conguring a Quiet Period after a Failed Authentication..........................................................................................100
Forcibly Authorizing or Unauthorizing a Port...............................................................................................................101
Re-Authenticating a Port...............................................................................................................................................102
Conguring Dynamic VLAN Assignment with Port Authentication......................................................................... 102
Guest and Authentication-Fail VLANs.........................................................................................................................103
Conguring a Guest VLAN......................................................................................................................................104
Conguring an Authentication-Fail VLAN............................................................................................................. 104
Conguring Timeouts.............................................................................................................................................. 105
Multi-Host Authentication.............................................................................................................................................106
Conguring Multi-Host AuthenticationConguring Single-Host Authentication..............................................107
Multi-Supplicant Authentication...................................................................................................................................109
Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication.............................109
MAC Authentication Bypass..........................................................................................................................................110
MAB in Single-host and Multi-Host Mode.............................................................................................................110
MAB in Multi-Supplicant Authentication Mode......................................................................................................111
Conguring MAC Authentication Bypass................................................................................................................111
Dynamic CoS with 802.1X.............................................................................................................................................. 112
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)................................... 114
Optimizing CAM Utilization During the Attachment of ACLs to VLANs.................................................................. 114
Guidelines for Conguring ACL VLAN Groups............................................................................................................ 115
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters............................................... 115
Conguring ACL VLAN Groups...............................................................................................................................115
Conguring FP Blocks for VLAN Parameters........................................................................................................116
Viewing CAM Usage....................................................................................................................................................... 117
Contents
5
Allocating FP Blocks for VLAN Processes................................................................................................................... 118
ACL Optimization to Increase Number of Supported IPv4 ACLs..............................................................................119
Restrictions for ACL Optimization.......................................................................................................................... 119
Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................119
7 Access Control Lists (ACLs)........................................................................................................................121
IP Access Control Lists (ACLs).....................................................................................................................................122
CAM Usage............................................................................................................................................................... 122
Implementing ACLs on Dell EMC Networking OS................................................................................................123
Congure ACL Range Proles................................................................................................................................ 125
Important Points to Remember.................................................................................................................................... 126
Conguration Task List for Route Maps................................................................................................................ 126
Conguring Match Routes...................................................................................................................................... 128
Conguring Set Conditions..................................................................................................................................... 129
Congure a Route Map for Route Redistribution.................................................................................................130
Congure a Route Map for Route Tagging............................................................................................................ 131
Continue Clause.........................................................................................................................................................131
IP Fragment Handling.................................................................................................................................................... 132
IP Fragments ACL Examples...................................................................................................................................132
Layer 4 ACL Rules Examples...................................................................................................................................132
Congure a Standard IP ACL........................................................................................................................................ 133
Conguring a Standard IP ACL Filter..................................................................................................................... 134
Congure an Extended IP ACL.....................................................................................................................................135
Conguring Filters with a Sequence Number.......................................................................................................135
Conguring Filters Without a Sequence Number.................................................................................................138
Congure Layer 2 and Layer 3 ACLs............................................................................................................................138
Assign an IP ACL to an Interface..................................................................................................................................139
Applying an IP ACL.........................................................................................................................................................139
Counting ACL Hits....................................................................................................................................................140
Congure Ingress ACLs................................................................................................................................................. 140
Congure Egress ACLs...................................................................................................................................................141
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 142
IP Prex Lists.................................................................................................................................................................. 142
Implementation Information.................................................................................................................................... 143
Conguration Task List for Prex Lists.................................................................................................................. 143
ACL Remarks.................................................................................................................................................................. 146
Conguring a Remark.............................................................................................................................................. 146
Deleting a Remark.....................................................................................................................................................147
ACL Resequencing......................................................................................................................................................... 148
Resequencing an ACL or Prex List.......................................................................................................................148
Route Maps.....................................................................................................................................................................149
Implementation Information.................................................................................................................................... 149
8 Bidirectional Forwarding Detection (BFD)................................................................................................... 151
How BFD Works.............................................................................................................................................................. 151
BFD Packet Format..................................................................................................................................................152
6
Contents
BFD Sessions............................................................................................................................................................ 153
BFD Three-Way Handshake.................................................................................................................................... 154
Session State Changes............................................................................................................................................156
Important Points to Remember....................................................................................................................................156
Congure BFD.................................................................................................................................................................157
Congure BFD for Physical Ports...........................................................................................................................157
Congure BFD for Static Routes............................................................................................................................160
Congure BFD for IPv6 Static Routes...................................................................................................................164
Congure BFD for OSPF.........................................................................................................................................166
Congure BFD for OSPFv3......................................................................................................................................171
Congure BFD for IS-IS........................................................................................................................................... 174
Congure BFD for BGP........................................................................................................................................... 176
Congure BFD for VRRP.........................................................................................................................................184
Conguring Protocol Liveness................................................................................................................................186
9 Border Gateway Protocol (BGP).................................................................................................................187
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 187
BGP Autonomous Systems..................................................................................................................................... 187
AS4 Number Representation.................................................................................................................................. 189
Four-Byte AS Numbers............................................................................................................................................ 191
BGP router ID............................................................................................................................................................ 191
Sessions and Peers................................................................................................................................................... 191
Establish a Session................................................................................................................................................... 192
BGP Attributes for selecting Best Path.................................................................................................................192
Multiprotocol BGP.................................................................................................................................................... 197
BGP global and address family conguration........................................................................................................198
Implement BGP with Dell EMC Networking OS..................................................................................................200
Conguration Information.......................................................................................................................................203
Basic BGP conguration tasks.....................................................................................................................................203
Prerequisite for conguring a BGP network.........................................................................................................203
Restrictions...............................................................................................................................................................204
Enabling BGP........................................................................................................................................................... 204
Enabling four-byte autonomous system numbers............................................................................................... 206
Changing a BGP router ID...................................................................................................................................... 207
Conguring AS4 Number Representations...........................................................................................................207
Conguring a BGP peer..........................................................................................................................................209
Example-Conguring BGP routing between peers.............................................................................................. 210
BGP peer group.........................................................................................................................................................211
Advanced BGP conguration tasks..............................................................................................................................217
Route-refresh and Soft-reconguration................................................................................................................218
Aggregating Routes.................................................................................................................................................220
Filtering BGP............................................................................................................................................................ 222
Conguring BGP Fast Fall-Over............................................................................................................................ 229
Conguring Passive Peering...................................................................................................................................230
Enabling Graceful Restart........................................................................................................................................231
Redistributing Routes..............................................................................................................................................232
Contents
7
Enabling Additional Paths........................................................................................................................................233
Conguring IP Community Lists............................................................................................................................ 234
Conguring an IP Extended Community List....................................................................................................... 235
Congure BGP attributes....................................................................................................................................... 236
Enabling Multipath...................................................................................................................................................240
Route Reectors.......................................................................................................................................................241
Enabling Route Flap Dampening............................................................................................................................ 242
Changing BGP keepalive and hold timers.............................................................................................................244
Setting the extended timer.................................................................................................................................... 245
Enabling or disabling BGP neighbors.....................................................................................................................246
Route Map Continue............................................................................................................................................... 247
Conguring BGP Confederations...........................................................................................................................247
Conguring a BGP VRF address family.................................................................................................................248
Maintaining Existing AS Numbers During an AS Migration................................................................................ 249
Allowing an AS Number to Appear in its Own AS Path...................................................................................... 250
Enabling MBGP Congurations.............................................................................................................................. 251
MBGP support for IPv6...........................................................................................................................................251
Conguring IPv6 MBGP between peers.............................................................................................................. 252
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 253
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 255
BGP Regular Expression Optimization.................................................................................................................. 257
Debugging BGP........................................................................................................................................................257
10 Content Addressable Memory (CAM)...................................................................................................... 260
CAM Allocation.............................................................................................................................................................. 260
Test CAM Usage............................................................................................................................................................262
View CAM-ACL Settings.............................................................................................................................................. 262
View CAM Usage...........................................................................................................................................................263
Conguring CAM Threshold and Silence Period........................................................................................................264
Setting CAM Threshold and Silence Period......................................................................................................... 264
CAM Optimization......................................................................................................................................................... 265
Troubleshoot CAM Proling..........................................................................................................................................265
QoS CAM Region Limitation...................................................................................................................................265
Syslog Error When the Table is Full....................................................................................................................... 266
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................266
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................266
Unied Forwarding Table (UFT) Modes..................................................................................................................... 266
Conguring UFT Modes......................................................................................................................................... 266
IPv6 CAM ACL Region.................................................................................................................................................. 267
Important Points to Remember..............................................................................................................................267
Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................268
Sharing CAM space between IPv4 QoS and IPv6 ACLs.................................................................................... 268
11 Control Plane Policing (CoPP).................................................................................................................. 270
Congure Control Plane Policing.................................................................................................................................. 271
Conguring CoPP for Protocols.............................................................................................................................272
8
Contents
Conguring CoPP for CPU Queues.......................................................................................................................274
Protocol to CPU Queue Mapping.......................................................................................................................... 275
Conguring Protocol to CPU Queue Mapping.....................................................................................................275
Displaying CoPP Conguration ............................................................................................................................. 276
12 Data Center Bridging (DCB)..................................................................................................................... 278
Ethernet Enhancements in Data Center Bridging......................................................................................................278
Priority-Based Flow Control................................................................................................................................... 279
Enhanced Transmission Selection..........................................................................................................................280
Data Center Bridging Exchange Protocol (DCBx)................................................................................................281
Data Center Bridging in a Trac Flow...................................................................................................................282
Enabling Data Center Bridging..................................................................................................................................... 282
DCB Maps and its Attributes..................................................................................................................................283
Data Center Bridging: Default Conguration..............................................................................................................283
Conguring Priority-Based Flow Control....................................................................................................................284
Conguring Lossless Queues................................................................................................................................. 285
Conguring PFC in a DCB Map................................................................................................................................... 286
PFC Conguration Notes........................................................................................................................................286
PFC Prerequisites and Restrictions....................................................................................................................... 287
Applying a DCB Map on a Port.....................................................................................................................................287
Conguring PFC without a DCB Map.........................................................................................................................288
Conguring PFC Asymmetric.......................................................................................................................................288
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................289
Pause and Resume of Trac..................................................................................................................................289
Buer Sizes for Lossless or PFC Packets............................................................................................................ 289
Shared headroom for lossless or PFC packets.......................................................................................................... 290
Example Scenario.................................................................................................................................................... 290
Conguring Shared Head Room Buer................................................................................................................ 292
Viewing Shared Head Room Usage.......................................................................................................................292
Monitoring Buer Statistics for Tracking Purposes............................................................................................ 292
Behavior of Tagged Packets.........................................................................................................................................293
SNMP Support for PFC and Buer Statistics Tracking............................................................................................293
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................294
Conguration Example for DSCP and PFC Priorities................................................................................................295
Using PFC to Manage Converged Ethernet Trac.................................................................................................. 295
Generation of PFC for a Priority for Untagged Packets...........................................................................................295
Congure Enhanced Transmission Selection............................................................................................................. 295
Creating an ETS Priority Group............................................................................................................................. 296
ETS Operation with DCBx...................................................................................................................................... 297
Conguring ETS in a DCB Map..............................................................................................................................297
Hierarchical Scheduling in ETS Output Policies.........................................................................................................298
Using ETS to Manage Converged Ethernet Trac...................................................................................................299
Applying DCB Policies in a Switch Stack.................................................................................................................... 299
Congure a DCBx Operation........................................................................................................................................299
DCBx Operation.......................................................................................................................................................300
DCBx Port Roles......................................................................................................................................................300
Contents
9
DCB Conguration Exchange................................................................................................................................. 301
Conguration Source Election................................................................................................................................302
Propagation of DCB Information............................................................................................................................302
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 302
DCBx Example......................................................................................................................................................... 303
DCBx Prerequisites and Restrictions.....................................................................................................................303
Conguring DCBx....................................................................................................................................................304
Verifying the DCB Conguration..................................................................................................................................307
QoS dot1p Trac Classication and Queue Assignment...........................................................................................314
Conguring the Dynamic Buer Method.................................................................................................................... 315
Sample DCB Conguration............................................................................................................................................316
PFC and ETS Conguration Command Examples............................................................................................... 318
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................319
DHCP Packet Format and Options.............................................................................................................................. 319
Assign an IP Address using DHCP................................................................................................................................321
Implementation Information..........................................................................................................................................322
Congure the System to be a DHCP Server..............................................................................................................322
Conguring the Server for Automatic Address Allocation..................................................................................323
Specifying a Default Gateway................................................................................................................................ 324
Congure a Method of Hostname Resolution..................................................................................................... 325
Using DNS for Address Resolution........................................................................................................................325
Using NetBIOS WINS for Address Resolution..................................................................................................... 325
Creating Manual Binding Entries............................................................................................................................325
Debugging the DHCP Server................................................................................................................................. 326
Using DHCP Clear Commands...............................................................................................................................326
Congure the System to be a DHCP Client............................................................................................................... 326
Conguring the DHCP Client System................................................................................................................... 327
DHCP Client on a Management Interface............................................................................................................ 328
DHCP Client Operation with Other Features.......................................................................................................329
DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 330
Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 330
Non-default VRF conguration for DHCPv6 helper address....................................................................................331
Conguring DHCP relay source interface....................................................................................................................331
Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................331
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................332
Congure the System for User Port Stacking (Option 230)....................................................................................333
Congure Secure DHCP............................................................................................................................................... 333
Option 82 (DHCPv4 relay options)........................................................................................................................334
DHCPv6 relay agent options..................................................................................................................................335
DHCP Snooping.......................................................................................................................................................335
Drop DHCP Packets on Snooped VLANs Only....................................................................................................340
Dynamic ARP Inspection........................................................................................................................................ 340
Conguring Dynamic ARP Inspection....................................................................................................................341
Source Address Validation............................................................................................................................................ 343
Enabling IP Source Address Validation.................................................................................................................. 343
10
Contents
DHCP MAC Source Address Validation................................................................................................................ 344
Enabling IP+MAC Source Address Validation.......................................................................................................344
Viewing the Number of SAV Dropped Packets................................................................................................... 345
Clearing the Number of SAV Dropped Packets...................................................................................................345
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 346
ECMP for Flow-Based Anity.....................................................................................................................................346
Conguring the Hash Algorithm Seed.................................................................................................................. 346
Link Bundle Monitoring................................................................................................................................................. 346
Managing ECMP Group Paths...............................................................................................................................347
Creating an ECMP Group Bundle.......................................................................................................................... 347
Modifying the ECMP Group Threshold.................................................................................................................348
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................348
Support for ECMP in host table............................................................................................................................ 349
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 349
RTAG7.......................................................................................................................................................................349
Flow-based Hashing for ECMP............................................................................................................................. 350
15 FIP Snooping............................................................................................................................................354
Fibre Channel over Ethernet........................................................................................................................................ 354
Ensure Robustness in a Converged Ethernet Network............................................................................................354
FIP Snooping on Ethernet Bridges..............................................................................................................................356
Using FIP Snooping....................................................................................................................................................... 358
FIP Snooping Prerequisites.....................................................................................................................................358
Important Points to Remember............................................................................................................................. 358
Enabling the FCoE Transit Feature........................................................................................................................359
Enable FIP Snooping on VLANs.............................................................................................................................360
Congure the FC-MAP Value................................................................................................................................ 360
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................360
Congure a Port for a Bridge-to-FCF Link...........................................................................................................360
Impact on Other Software Features...................................................................................................................... 361
FIP Snooping Restrictions.......................................................................................................................................361
Conguring FIP Snooping........................................................................................................................................361
Displaying FIP Snooping Information...........................................................................................................................362
FCoE Transit Conguration Example...........................................................................................................................367
16 Flex Hash and Optimized Boot-Up............................................................................................................369
Flex Hash Capability Overview.................................................................................................................................... 369
Conguring the Flex Hash Mechanism.......................................................................................................................369
Conguring Fast Boot and LACP Fast Switchover................................................................................................... 370
Optimizing the Boot Time.............................................................................................................................................370
Booting Process When Optimized Boot Time Mechanism is Enabled.............................................................. 370
Guidelines for Conguring Optimized Booting Mechanism.................................................................................371
Interoperation of Applications with Fast Boot and System States.......................................................................... 372
LACP and IPv4 Routing...........................................................................................................................................372
LACP and IPv6 Routing.......................................................................................................................................... 372
Contents
11
BGP Graceful Restart..............................................................................................................................................373
Cold Boot Caused by Power Cycling the System................................................................................................373
Unexpected Reload of the System........................................................................................................................373
Software Upgrade....................................................................................................................................................373
LACP Fast Switchover............................................................................................................................................373
Changes to BGP Multipath.....................................................................................................................................374
Delayed Installation of ECMP Routes Into BGP................................................................................................... 374
RDMA Over Converged Ethernet (RoCE) Overview................................................................................................374
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 375
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 376
Protocol Overview......................................................................................................................................................... 376
Ring Status................................................................................................................................................................377
Multiple FRRP Rings................................................................................................................................................377
Important FRRP Points........................................................................................................................................... 378
Important FRRP Concepts..................................................................................................................................... 379
Implementing FRRP.......................................................................................................................................................380
FRRP Conguration...................................................................................................................................................... 380
Creating the FRRP Group...................................................................................................................................... 380
Conguring the Control VLAN...............................................................................................................................380
Conguring and Adding the Member VLANs.......................................................................................................382
Setting the FRRP Timers........................................................................................................................................383
Clearing the FRRP Counters..................................................................................................................................383
Viewing the FRRP Conguration...........................................................................................................................383
Viewing the FRRP Information...............................................................................................................................383
Troubleshooting FRRP.................................................................................................................................................. 384
Conguration Checks..............................................................................................................................................384
Sample Conguration and Topology............................................................................................................................384
FRRP Support on VLT...................................................................................................................................................385
Example Scenario.................................................................................................................................................... 386
Important Points to Remember..............................................................................................................................387
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................388
Important Points to Remember................................................................................................................................... 388
Congure GVRP............................................................................................................................................................ 389
Related Conguration Tasks...................................................................................................................................389
Enabling GVRP Globally................................................................................................................................................390
Enabling GVRP on a Layer 2 Interface........................................................................................................................390
Congure GVRP Registration...................................................................................................................................... 390
Congure a GARP Timer............................................................................................................................................... 391
19 Internet Group Management Protocol (IGMP)......................................................................................... 392
IGMP Implementation Information...............................................................................................................................392
IGMP Protocol Overview..............................................................................................................................................392
IGMP Version 2........................................................................................................................................................ 392
IGMP Version 3........................................................................................................................................................ 394
12
Contents
Congure IGMP............................................................................................................................................................. 397
Related Conguration Tasks................................................................................................................................... 397
Viewing IGMP Enabled Interfaces...............................................................................................................................398
Selecting an IGMP Version...........................................................................................................................................398
Viewing IGMP Groups...................................................................................................................................................399
Adjusting Timers............................................................................................................................................................ 399
Adjusting Query and Response Timers................................................................................................................. 399
Enabling IGMP Immediate-Leave................................................................................................................................ 400
IGMP Snooping...............................................................................................................................................................401
IGMP Snooping Implementation Information........................................................................................................401
Conguring IGMP Snooping................................................................................................................................... 401
Removing a Group-Port Association.....................................................................................................................402
Disabling Multicast Flooding...................................................................................................................................402
Specifying a Port as Connected to a Multicast Router...................................................................................... 402
Conguring the Switch as Querier........................................................................................................................ 403
Fast Convergence after MSTP Topology Changes...................................................................................................403
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................403
Protocol Separation.................................................................................................................................................404
Enabling and Disabling Management Egress Interface Selection......................................................................405
Handling of Management Route Conguration...................................................................................................406
Handling of Switch-Initiated Trac.......................................................................................................................406
Handling of Switch-Destined Trac......................................................................................................................407
Handling of Transit Trac (Trac Separation).................................................................................................... 408
Mapping of Management Applications and Trac Type.....................................................................................408
Behavior of Various Applications for Switch-Initiated Trac ............................................................................409
Behavior of Various Applications for Switch-Destined Trac ........................................................................... 410
Interworking of EIS With Various Applications......................................................................................................410
Designating a Multicast Router Interface.....................................................................................................................411
20 Interfaces................................................................................................................................................. 412
Basic Interface Conguration........................................................................................................................................412
Advanced Interface Conguration................................................................................................................................412
Interface Types................................................................................................................................................................413
View Basic Interface Information..................................................................................................................................413
Resetting an Interface to its Factory Default State................................................................................................... 415
Enabling a Physical Interface........................................................................................................................................ 416
Physical Interfaces......................................................................................................................................................... 416
Conguration Task List for Physical Interfaces.....................................................................................................416
Overview of Layer Modes....................................................................................................................................... 417
Conguring Layer 2 (Data Link) Mode...................................................................................................................417
Conguring Layer 2 (Interface) Mode................................................................................................................... 418
Conguring Layer 3 (Network) Mode....................................................................................................................418
Conguring Layer 3 (Interface) Mode................................................................................................................... 418
Automatic recovery of an Err-disabled interface........................................................................................................419
Conguring an automatic recovery for an Err-disabled interface......................................................................420
Egress Interface Selection (EIS)..................................................................................................................................420
Contents
13
Important Points to Remember.............................................................................................................................. 421
Conguring EIS.........................................................................................................................................................421
Management Interfaces.................................................................................................................................................421
Conguring Management Interfaces..................................................................................................................... 421
Conguring a Management Interface on an Ethernet Port................................................................................423
S6100 — OIR........................................................................................................................................................... 424
VLAN Interfaces.............................................................................................................................................................424
Loopback Interfaces......................................................................................................................................................425
Null Interfaces................................................................................................................................................................ 425
Port Channel Interfaces................................................................................................................................................425
Port Channel Denition and Standards.................................................................................................................426
Port Channel Benets.............................................................................................................................................426
Port Channel Implementation.................................................................................................................................426
Interfaces in Port Channels.....................................................................................................................................427
Conguration Tasks for Port Channel Interfaces................................................................................................. 427
Creating a Port Channel..........................................................................................................................................427
Adding a Physical Interface to a Port Channel.....................................................................................................428
Reassigning an Interface to a New Port Channel................................................................................................429
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 430
Adding or Removing a Port Channel from a VLAN............................................................................................. 430
Assigning an IP Address to a Port Channel........................................................................................................... 431
Deleting or Disabling a Port Channel..................................................................................................................... 432
Load Balancing Through Port Channels................................................................................................................432
Load-Balancing Method..........................................................................................................................................432
Changing the Hash Algorithm................................................................................................................................ 433
Bulk Conguration......................................................................................................................................................... 434
Interface Range........................................................................................................................................................434
Bulk Conguration Examples..................................................................................................................................434
Dening Interface Range Macros................................................................................................................................ 436
Dene the Interface Range.................................................................................................................................... 436
Choosing an Interface-Range Macro.................................................................................................................... 436
Monitoring and Maintaining Interfaces........................................................................................................................437
Split 40G Ports on a 16X40G QSFP+ Module........................................................................................................... 438
Splitting 100G Ports...................................................................................................................................................... 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
CR4 Auto-Negotiation...................................................................................................................................................446
FEC Conguration......................................................................................................................................................... 446
14
Contents
Setting the Speed of Ethernet Interfaces.................................................................................................................. 448
Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................449
Adjusting the Keepalive Timer......................................................................................................................................449
View Advanced Interface Information.........................................................................................................................450
Conguring the Interface Sampling Size.............................................................................................................. 450
Conguring the Trac Sampling Size Globally........................................................................................................... 451
Dynamic Counters......................................................................................................................................................... 453
Clearing Interface Counters................................................................................................................................... 453
Enhanced Validation of Interface Ranges...................................................................................................................454
Compressing Conguration Files................................................................................................................................. 454
21 IPv4 Routing.............................................................................................................................................457
IP Addresses...................................................................................................................................................................458
Implementation Information....................................................................................................................................458
Conguration Tasks for IP Addresses......................................................................................................................... 458
Assigning IP Addresses to an Interface.......................................................................................................................458
Conguring Static Routes............................................................................................................................................ 459
Adding description for IPv4 and IPv6 static routes.............................................................................................460
Congure Static Routes for the Management Interface...........................................................................................461
IPv4 Path MTU Discovery Overview........................................................................................................................... 461
Packet handling during MTU mismatch................................................................................................................462
Using the Congured Source IP Address in ICMP Messages..................................................................................462
Conguring the ICMP Source Interface............................................................................................................... 462
Conguring the Duration to Establish a TCP Connection........................................................................................ 463
Enabling Directed Broadcast........................................................................................................................................ 463
Resolution of Host Names............................................................................................................................................463
Enabling Dynamic Resolution of Host Names............................................................................................................464
Specifying the Local System Domain and a List of Domains................................................................................... 464
Conguring DNS with Traceroute............................................................................................................................... 465
ARP................................................................................................................................................................................. 465
Conguration Tasks for ARP........................................................................................................................................ 466
Conguring Static ARP Entries....................................................................................................................................466
Enabling Proxy ARP.......................................................................................................................................................466
Clearing ARP Cache...................................................................................................................................................... 467
ARP Learning via Gratuitous ARP................................................................................................................................467
Enabling ARP Learning via Gratuitous ARP................................................................................................................467
ARP Learning via ARP Request................................................................................................................................... 467
Conguring ARP Retries...............................................................................................................................................468
ICMP............................................................................................................................................................................... 469
Conguration Tasks for ICMP......................................................................................................................................469
Enabling ICMP Unreachable Messages...................................................................................................................... 469
ICMP Redirects..............................................................................................................................................................469
UDP Helper.....................................................................................................................................................................470
Congure UDP Helper.............................................................................................................................................470
Important Points to Remember.............................................................................................................................. 471
Enabling UDP Helper......................................................................................................................................................471
Contents
15
Congurations Using UDP Helper................................................................................................................................ 471
UDP Helper with Broadcast-All Addresses..................................................................................................................471
UDP Helper with Subnet Broadcast Addresses.........................................................................................................472
UDP Helper with Congured Broadcast Addresses.................................................................................................. 472
UDP Helper with No Congured Broadcast Addresses............................................................................................473
Troubleshooting UDP Helper........................................................................................................................................ 473
22 IPv6 Routing............................................................................................................................................ 474
Protocol Overview......................................................................................................................................................... 474
Extended Address Space........................................................................................................................................475
Stateless Autoconguration................................................................................................................................... 475
IPv6 Headers............................................................................................................................................................475
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support....................................................................476
IPv6 Header Fields...................................................................................................................................................477
Extension Header Fields..........................................................................................................................................479
Addressing................................................................................................................................................................ 480
Implementing IPv6 with Dell EMC Networking OS....................................................................................................481
ICMPv6............................................................................................................................................................................481
Path MTU discovery...................................................................................................................................................... 481
IPv6 Neighbor Discovery.............................................................................................................................................. 482
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................483
Conguring the IPv6 Recursive DNS Server....................................................................................................... 483
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 484
Displaying IPv6 RDNSS Information......................................................................................................................484
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 485
Conguration Tasks for IPv6........................................................................................................................................485
Adjusting Your CAM-Prole....................................................................................................................................485
Assigning an IPv6 Address to an Interface...........................................................................................................486
Assigning a Static IPv6 Route................................................................................................................................ 487
Conguring Telnet with IPv6.................................................................................................................................. 487
SNMP over IPv6......................................................................................................................................................488
Displaying IPv6 Information....................................................................................................................................488
Displaying an IPv6 Interface Information.............................................................................................................. 488
Showing IPv6 Routes..............................................................................................................................................489
Showing the Running-Conguration for an Interface.........................................................................................490
Clearing IPv6 Routes................................................................................................................................................491
Disabling ND Entry Timeout....................................................................................................................................491
Conguring IPv6 RA Guard.......................................................................................................................................... 492
Conguring IPv6 RA Guard on an Interface.........................................................................................................493
Monitoring IPv6 RA Guard......................................................................................................................................494
23 iSCSI Optimization.................................................................................................................................. 495
iSCSI Optimization Overview.......................................................................................................................................495
Monitoring iSCSI Trac Flows............................................................................................................................... 497
Application of Quality of Service to iSCSI Trac Flows......................................................................................497
Information Monitored in iSCSI Trac Flows....................................................................................................... 497
16
Contents
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 498
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................498
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................499
Enable and Disable iSCSI Optimization.................................................................................................................499
Default iSCSI Optimization Values...............................................................................................................................500
iSCSI Optimization Prerequisites................................................................................................................................. 500
Conguring iSCSI Optimization................................................................................................................................... 500
Displaying iSCSI Optimization Information................................................................................................................. 502
24 Intermediate System to Intermediate System.......................................................................................... 504
IS-IS Protocol Overview............................................................................................................................................... 504
IS-IS Addressing.............................................................................................................................................................504
Multi-Topology IS-IS...................................................................................................................................................... 505
Transition Mode....................................................................................................................................................... 505
Interface Support.................................................................................................................................................... 506
Adjacencies.............................................................................................................................................................. 506
Graceful Restart............................................................................................................................................................ 506
Timers....................................................................................................................................................................... 506
Implementation Information......................................................................................................................................... 506
Conguration Information.............................................................................................................................................507
Conguration Tasks for IS-IS................................................................................................................................. 508
Conguring the Distance of a Route......................................................................................................................515
Changing the IS-Type...............................................................................................................................................516
Redistributing IPv4 Routes......................................................................................................................................518
Redistributing IPv6 Routes......................................................................................................................................519
Conguring Authentication Passwords.................................................................................................................520
Setting the Overload Bit......................................................................................................................................... 520
Debugging IS-IS........................................................................................................................................................521
IS-IS Metric Styles.........................................................................................................................................................522
Congure Metric Values............................................................................................................................................... 522
Maximum Values in the Routing Table.................................................................................................................. 523
Change the IS-IS Metric Style in One Level Only................................................................................................523
Leaks from One Level to Another..........................................................................................................................524
Sample Congurations..................................................................................................................................................525
25 In-Service Software Upgrade.................................................................................................................. 528
ISSU Introduction...........................................................................................................................................................528
Warmboot Limitations............................................................................................................................................. 528
Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................. 528
L2 ISSU........................................................................................................................................................................... 529
L3 ISSU........................................................................................................................................................................... 529
CoPP...............................................................................................................................................................................530
Mirroring ow control packets.....................................................................................................................................530
PFC................................................................................................................................................................................. 530
QoS................................................................................................................................................................................. 530
Tunnel Conguration..................................................................................................................................................... 530
Contents
17
26 Link Aggregation Control Protocol (LACP).............................................................................................. 532
Introduction to Dynamic LAGs and LACP.................................................................................................................. 532
Important Points to Remember............................................................................................................................. 532
LACP Modes............................................................................................................................................................ 533
Conguring LACP Commands...............................................................................................................................533
LACP Conguration Tasks............................................................................................................................................534
Creating a LAG.........................................................................................................................................................534
Conguring the LAG Interfaces as Dynamic........................................................................................................534
Setting the LACP Long Timeout........................................................................................................................... 535
Monitoring and Debugging LACP..........................................................................................................................535
Shared LAG State Tracking.......................................................................................................................................... 536
Conguring Shared LAG State Tracking...............................................................................................................536
Important Points about Shared LAG State Tracking........................................................................................... 538
LACP Basic Conguration Example............................................................................................................................ 538
Congure a LAG on ALPHA................................................................................................................................... 538
27 Layer 2.....................................................................................................................................................547
Manage the MAC Address Table................................................................................................................................. 547
Clearing the MAC Address Table........................................................................................................................... 547
Setting the Aging Time for Dynamic Entries........................................................................................................547
Conguring a Static MAC Address........................................................................................................................548
Displaying the MAC Address Table........................................................................................................................ 548
MAC Learning Limit.......................................................................................................................................................548
Setting the MAC Learning Limit............................................................................................................................ 549
mac learning-limit Dynamic.................................................................................................................................... 549
mac learning-limit mac-address-sticky................................................................................................................. 549
mac learning-limit station-move............................................................................................................................ 550
mac learning-limit no-station-move...................................................................................................................... 550
Learning Limit Violation Actions.............................................................................................................................550
Setting Station Move Violation Actions.................................................................................................................551
Recovering from Learning Limit and Station Move Violations............................................................................551
Disabling MAC Address Learning on the System................................................................................................ 552
Enabling port security............................................................................................................................................. 552
NIC Teaming................................................................................................................................................................... 552
Congure Redundant Pairs.......................................................................................................................................... 553
Important Points about Conguring Redundant Pairs........................................................................................555
Far-End Failure Detection.............................................................................................................................................556
FEFD State Changes...............................................................................................................................................557
Conguring FEFD.................................................................................................................................................... 558
Enabling FEFD on an Interface.............................................................................................................................. 558
Debugging FEFD......................................................................................................................................................559
28 Link Layer Discovery Protocol (LLDP)......................................................................................................561
802.1AB (LLDP) Overview............................................................................................................................................ 561
Protocol Data Units..................................................................................................................................................561
18
Contents
Optional TLVs.................................................................................................................................................................562
Management TLVs.................................................................................................................................................. 562
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 564
TIA Organizationally Specic TLVs........................................................................................................................ 564
Congure LLDP............................................................................................................................................................. 568
Related Conguration Tasks...................................................................................................................................568
Important Points to Remember............................................................................................................................. 568
LLDP Compatibility..................................................................................................................................................568
CONFIGURATION versus INTERFACE Congurations............................................................................................ 568
Enabling LLDP................................................................................................................................................................569
Disabling and Undoing LLDP..................................................................................................................................569
Enabling LLDP on Management Ports........................................................................................................................570
Disabling and Undoing LLDP on Management Ports.......................................................................................... 570
Advertising TLVs............................................................................................................................................................ 570
Storing and Viewing Unrecognized LLDP TLVs..........................................................................................................571
Reserved Unrecognized LLDP TLVs...................................................................................................................... 571
Organizational Specic Unrecognized LLDP TLVs.............................................................................................. 572
Viewing Unrecognized LLDP TLVs........................................................................................................................ 572
Viewing the LLDP Conguration..................................................................................................................................572
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................573
Examples of Viewing Information Advertised by Neighbors...............................................................................573
Conguring LLDPDU Intervals..................................................................................................................................... 576
Conguring LLDP Notication Interval....................................................................................................................... 576
Conguring Transmit and Receive Mode....................................................................................................................577
Conguring the Time to Live Value..............................................................................................................................577
Debugging LLDP............................................................................................................................................................ 578
Relevant Management Objects....................................................................................................................................579
29 Microsoft Network Load Balancing.......................................................................................................... 584
NLB Unicast Mode Scenario........................................................................................................................................584
NLB Multicast Mode Scenario.....................................................................................................................................584
Limitations of the NLB Feature....................................................................................................................................585
Microsoft Clustering......................................................................................................................................................585
Enable and Disable VLAN Flooding ............................................................................................................................ 585
Conguring a Switch for NLB .....................................................................................................................................585
Enabling a Switch for Multicast NLB.................................................................................................................... 586
30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 587
Protocol Overview......................................................................................................................................................... 587
Anycast RP.....................................................................................................................................................................588
Implementation Information......................................................................................................................................... 589
Congure Multicast Source Discovery Protocol........................................................................................................589
Related Conguration Tasks...................................................................................................................................589
Enable MSDP................................................................................................................................................................. 593
Manage the Source-Active Cache.............................................................................................................................. 594
Viewing the Source-Active Cache.........................................................................................................................594
Contents
19
Limiting the Source-Active Cache.........................................................................................................................594
Clearing the Source-Active Cache........................................................................................................................595
Enabling the Rejected Source-Active Cache....................................................................................................... 595
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 595
Specifying Source-Active Messages...........................................................................................................................598
Limiting the Source-Active Messages from a Peer...................................................................................................599
Preventing MSDP from Caching a Local Source.......................................................................................................599
Preventing MSDP from Caching a Remote Source.................................................................................................. 600
Preventing MSDP from Advertising a Local Source................................................................................................. 600
Logging Changes in Peership States........................................................................................................................... 601
Terminating a Peership.................................................................................................................................................. 601
Clearing Peer Statistics.................................................................................................................................................602
Debugging MSDP.......................................................................................................................................................... 602
MSDP with Anycast RP................................................................................................................................................603
Conguring Anycast RP................................................................................................................................................604
Reducing Source-Active Message Flooding........................................................................................................ 605
Specifying the RP Address Used in SA Messages..............................................................................................605
MSDP Sample Congurations......................................................................................................................................607
31 Multicast Listener Discovery Protocol.......................................................................................................610
MLD Version 1.................................................................................................................................................................610
MLD Querier Router.......................................................................................................................................................610
Joining a Multicast Group.............................................................................................................................................. 611
Leaving a Multicast Group............................................................................................................................................. 611
MLD version 2................................................................................................................................................................. 611
MLD timers......................................................................................................................................................................613
Reducing Host Response Burstiness..................................................................................................................... 614
Conguring MLD Version.............................................................................................................................................. 614
Clearing MLD groups..................................................................................................................................................... 614
Debugging MLD..............................................................................................................................................................614
Explicit Tracking..............................................................................................................................................................614
Reducing Leave Latency................................................................................................................................................615
Displaying MLD groups table.........................................................................................................................................615
Displaying MLD Interfaces.............................................................................................................................................615
MLD Snooping................................................................................................................................................................615
Enable MLD Snooping............................................................................................................................................. 616
Disable MLD Snooping.............................................................................................................................................616
Congure the switch as a querier.......................................................................................................................... 616
Specify port as connected to multicast router.....................................................................................................616
Enable Snooping Explicit Tracking.......................................................................................................................... 617
Display the MLD Snooping Table............................................................................................................................ 617
32 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 618
Protocol Overview..........................................................................................................................................................618
Spanning Tree Variations............................................................................................................................................... 619
Implementation Information.................................................................................................................................... 619
20
Contents
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