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PowerSwitch Z9100-ON

Dell PowerSwitch Z9100-ON Owner's manual

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Dell EMC Networking OS Conguration Guide for
the Z9100–ON System
9.14.1.5
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 - 05
Rev. A00
Contents
1 About this Guide...........................................................................................................................................37
Audience............................................................................................................................................................................37
Conventions...................................................................................................................................................................... 37
Related Documents..........................................................................................................................................................37
2 Conguration Fundamentals........................................................................................................................ 38
Accessing the Command Line........................................................................................................................................38
CLI Modes.........................................................................................................................................................................38
Navigating CLI Modes...............................................................................................................................................40
The do Command............................................................................................................................................................ 43
Undoing Commands........................................................................................................................................................ 43
Obtaining Help..................................................................................................................................................................44
Entering and Editing Commands....................................................................................................................................44
Command History............................................................................................................................................................45
Filtering show Command Outputs.................................................................................................................................45
Example of the grep Keyword..................................................................................................................................45
Multiple Users in Conguration Mode...........................................................................................................................46
Conguring alias command.............................................................................................................................................46
Viewing alias conguration........................................................................................................................................47
3 Getting Started............................................................................................................................................49
Console Access................................................................................................................................................................50
Serial Console.............................................................................................................................................................50
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..................................................................................86
Reloading the system.......................................................................................................................................................87
Restoring the Factory Default Settings.........................................................................................................................88
Important Points to Remember................................................................................................................................88
Restoring Factory Default Environment Variables................................................................................................. 88
Viewing the Reason for Last System Reboot.............................................................................................................. 89
Disabling Syslog Messages for SNMP Authentication Failure Events...................................................................... 89
5 802.1X......................................................................................................................................................... 90
Port-Authentication Process..........................................................................................................................................92
EAP over RADIUS......................................................................................................................................................92
Conguring 802.1X...........................................................................................................................................................93
Related Conguration Tasks..................................................................................................................................... 93
Important Points to Remember......................................................................................................................................93
Enabling 802.1X................................................................................................................................................................ 94
Conguring dot1x Prole ................................................................................................................................................95
Conguring the Static MAB and MAB Prole .............................................................................................................96
Conguring Critical VLAN ..............................................................................................................................................96
Conguring MAC addresses for a do1x Prole............................................................................................................. 97
Conguring Request Identity Re-Transmissions...........................................................................................................98
Conguring a Quiet Period after a Failed Authentication..................................................................................... 98
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 99
Re-Authenticating a Port.............................................................................................................................................. 100
Conguring Timeouts..................................................................................................................................................... 101
Conguring Dynamic VLAN Assignment with Port Authentication......................................................................... 102
Guest and Authentication-Fail VLANs.........................................................................................................................103
Conguring a Guest VLAN......................................................................................................................................103
Conguring an Authentication-Fail VLAN............................................................................................................. 103
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 105
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 105
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 106
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................106
Conguring ACL VLAN Groups.............................................................................................................................. 106
Conguring FP Blocks for VLAN Parameters....................................................................................................... 107
Viewing CAM Usage...................................................................................................................................................... 108
Allocating FP Blocks for VLAN Processes.................................................................................................................. 109
ACL Optimization to Increase Number of Supported IPv4 ACLs.............................................................................109
Restrictions for ACL Optimization.......................................................................................................................... 110
Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................110
7 Access Control Lists (ACLs)........................................................................................................................ 111
IP Access Control Lists (ACLs)......................................................................................................................................112
CAM Usage................................................................................................................................................................113
Implementing ACLs on Dell EMC Networking OS.................................................................................................114
Contents
5
Congure ACL Range Proles....................................................................................................................................... 115
Important Points to Remember.....................................................................................................................................116
Conguration Task List for Route Maps.................................................................................................................116
Conguring Match Routes.......................................................................................................................................119
Conguring Set Conditions..................................................................................................................................... 120
Congure a Route Map for Route Redistribution..................................................................................................121
Congure a Route Map for Route Tagging............................................................................................................ 121
Continue Clause........................................................................................................................................................122
IP Fragment Handling.................................................................................................................................................... 122
IP Fragments ACL Examples...................................................................................................................................122
Layer 4 ACL Rules Examples...................................................................................................................................123
Congure a Standard IP ACL........................................................................................................................................ 124
Conguring a Standard IP ACL Filter..................................................................................................................... 125
Congure an Extended IP ACL..................................................................................................................................... 125
Conguring Filters with a Sequence Number....................................................................................................... 126
Conguring Filters Without a Sequence Number.................................................................................................128
Congure Layer 2 and Layer 3 ACLs............................................................................................................................129
Assign an IP ACL to an Interface..................................................................................................................................130
Applying an IP ACL.........................................................................................................................................................130
Counting ACL Hits.....................................................................................................................................................131
Congure Ingress ACLs.................................................................................................................................................. 131
Congure Egress ACLs...................................................................................................................................................131
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 132
Conguring UDF ACL.....................................................................................................................................................133
IP Prex Lists.................................................................................................................................................................. 135
Implementation Information.................................................................................................................................... 136
Conguration Task List for Prex Lists.................................................................................................................. 136
ACL Remarks.................................................................................................................................................................. 139
Conguring a Remark.............................................................................................................................................. 139
Deleting a Remark.................................................................................................................................................... 140
ACL Resequencing..........................................................................................................................................................141
Resequencing an ACL or Prex List........................................................................................................................141
Route Maps.....................................................................................................................................................................142
Implementation Information.................................................................................................................................... 142
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 144
How BFD Works............................................................................................................................................................. 144
BFD Packet Format..................................................................................................................................................145
BFD Sessions............................................................................................................................................................ 146
BFD Three-Way Handshake.................................................................................................................................... 147
Session State Changes............................................................................................................................................149
Important Points to Remember.................................................................................................................................... 149
Congure BFD................................................................................................................................................................ 150
Congure BFD for Physical Ports.......................................................................................................................... 150
Congure BFD for Static Routes............................................................................................................................152
Congure BFD for IPv6 Static Routes...................................................................................................................155
6
Contents
Congure BFD for OSPF......................................................................................................................................... 157
Congure BFD for OSPFv3.....................................................................................................................................162
Congure BFD for IS-IS...........................................................................................................................................165
Congure BFD for BGP........................................................................................................................................... 167
Congure BFD for VRRP.........................................................................................................................................175
Conguring Protocol Liveness.................................................................................................................................177
9 Border Gateway Protocol (BGP).................................................................................................................178
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 178
BGP Autonomous Systems..................................................................................................................................... 178
AS4 Number Representation.................................................................................................................................. 180
Four-Byte AS Numbers............................................................................................................................................182
BGP router ID............................................................................................................................................................182
Sessions and Peers...................................................................................................................................................182
Establish a Session................................................................................................................................................... 183
BGP Attributes for selecting Best Path.................................................................................................................183
Multiprotocol BGP....................................................................................................................................................188
BGP global and address family conguration........................................................................................................189
Implement BGP with Dell EMC Networking OS....................................................................................................191
Conguration Information........................................................................................................................................194
Basic BGP conguration tasks......................................................................................................................................194
Prerequisite for conguring a BGP network......................................................................................................... 194
Restrictions............................................................................................................................................................... 195
Enabling BGP............................................................................................................................................................ 195
Enabling four-byte autonomous system numbers................................................................................................ 197
Changing a BGP router ID.......................................................................................................................................198
Conguring AS4 Number Representations........................................................................................................... 198
Conguring a BGP peer..........................................................................................................................................200
Example-Conguring BGP routing between peers.............................................................................................. 201
BGP peer group....................................................................................................................................................... 202
Advanced BGP conguration tasks.............................................................................................................................208
Route-refresh and Soft-reconguration............................................................................................................... 209
Aggregating Routes.................................................................................................................................................. 211
Filtering BGP.............................................................................................................................................................213
Conguring BGP Fast Fall-Over............................................................................................................................ 220
Conguring Passive Peering................................................................................................................................... 221
Enabling Graceful Restart.......................................................................................................................................222
Redistributing Routes..............................................................................................................................................223
Enabling Additional Paths........................................................................................................................................224
Conguring IP Community Lists............................................................................................................................ 225
Conguring an IP Extended Community List....................................................................................................... 226
Congure BGP attributes........................................................................................................................................227
Enabling Multipath....................................................................................................................................................231
Route Reectors...................................................................................................................................................... 232
Enabling Route Flap Dampening............................................................................................................................ 233
Changing BGP keepalive and hold timers.............................................................................................................235
Contents
7
Setting the extended timer.................................................................................................................................... 236
Enabling or disabling BGP neighbors..................................................................................................................... 237
Route Map Continue............................................................................................................................................... 238
Conguring BGP Confederations.......................................................................................................................... 238
Conguring a BGP VRF address family................................................................................................................ 239
Maintaining Existing AS Numbers During an AS Migration................................................................................ 240
Allowing an AS Number to Appear in its Own AS Path....................................................................................... 241
Enabling MBGP Congurations..............................................................................................................................242
MBGP support for IPv6.......................................................................................................................................... 242
Conguring IPv6 MBGP between peers...............................................................................................................243
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 244
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 246
BGP Regular Expression Optimization.................................................................................................................. 248
Debugging BGP........................................................................................................................................................248
10 Content Addressable Memory (CAM)....................................................................................................... 251
CAM Allocation............................................................................................................................................................... 251
Test CAM Usage............................................................................................................................................................253
View CAM-ACL Settings.............................................................................................................................................. 253
View CAM Usage...........................................................................................................................................................254
Conguring CAM Threshold and Silence Period........................................................................................................255
Setting CAM Threshold and Silence Period......................................................................................................... 255
CAM Optimization......................................................................................................................................................... 256
Troubleshoot CAM Proling..........................................................................................................................................256
QoS CAM Region Limitation...................................................................................................................................256
Syslog Error When the Table is Full....................................................................................................................... 257
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................... 257
Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 257
Unied Forwarding Table (UFT) Modes......................................................................................................................257
Conguring UFT Modes......................................................................................................................................... 258
IPv6 CAM ACL Region..................................................................................................................................................258
Important Points to Remember............................................................................................................................. 258
Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................259
Sharing CAM space between IPv4 QoS and IPv6 ACLs.................................................................................... 259
11 Control Plane Policing (CoPP)...................................................................................................................261
Congure Control Plane Policing................................................................................................................................. 262
Conguring CoPP for Protocols............................................................................................................................ 263
Conguring CoPP for CPU Queues...................................................................................................................... 265
Protocol to CPU Queue Mapping..........................................................................................................................266
Conguring Protocol to CPU Queue Mapping.....................................................................................................266
Displaying CoPP Conguration ............................................................................................................................. 267
12 Data Center Bridging (DCB).....................................................................................................................269
Ethernet Enhancements in Data Center Bridging..................................................................................................... 269
Priority-Based Flow Control................................................................................................................................... 270
8
Contents
Enhanced Transmission Selection...........................................................................................................................271
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................272
Data Center Bridging in a Trac Flow...................................................................................................................273
Buer Organization..................................................................................................................................................273
Enabling Data Center Bridging..................................................................................................................................... 275
DCB Maps and its Attributes..................................................................................................................................276
Data Center Bridging: Default Conguration..............................................................................................................276
Conguring Priority-Based Flow Control.................................................................................................................... 277
Conguring Lossless Queues..................................................................................................................................278
Conguring PFC in a DCB Map................................................................................................................................... 279
PFC Conguration Notes........................................................................................................................................279
PFC Prerequisites and Restrictions.......................................................................................................................280
Applying a DCB Map on a Port....................................................................................................................................280
Conguring PFC without a DCB Map..........................................................................................................................281
Conguring PFC Asymmetric....................................................................................................................................... 281
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................282
Pause and Resume of Trac..................................................................................................................................282
Buer Sizes for Lossless or PFC Packets.............................................................................................................282
Shared headroom for lossless or PFC packets.......................................................................................................... 283
Example Scenario.................................................................................................................................................... 283
Conguring Shared Head Room Buer................................................................................................................ 285
Viewing Shared Head Room Usage.......................................................................................................................285
Monitoring Buer Statistics for Tracking Purposes............................................................................................ 285
Behavior of Tagged Packets.........................................................................................................................................286
Conguration Example for DSCP and PFC Priorities................................................................................................286
SNMP Support for PFC and Buer Statistics Tracking............................................................................................287
Performing PFC Using DSCP Bits Instead of 802.1p Bits......................................................................................... 287
PFC and ETS Conguration Examples........................................................................................................................288
Using PFC to Manage Converged Ethernet Trac...................................................................................................288
Operations on Untagged Packets................................................................................................................................288
Generation of PFC for a Priority for Untagged Packets...........................................................................................289
Congure Enhanced Transmission Selection..............................................................................................................289
Creating an ETS Priority Group..............................................................................................................................289
ETS Operation with DCBx......................................................................................................................................290
Conguring ETS in a DCB Map.............................................................................................................................. 291
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 292
Using ETS to Manage Converged Ethernet Trac...................................................................................................292
Applying DCB Policies in a Switch Stack.................................................................................................................... 292
Congure a DCBx Operation........................................................................................................................................293
DCBx Operation....................................................................................................................................................... 293
DCBx Port Roles...................................................................................................................................................... 293
DCB Conguration Exchange................................................................................................................................ 295
Conguration Source Election............................................................................................................................... 295
Propagation of DCB Information........................................................................................................................... 296
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 296
Contents
9
DCBx Example......................................................................................................................................................... 296
DCBx Prerequisites and Restrictions.....................................................................................................................297
Conguring DCBx.................................................................................................................................................... 297
Verifying the DCB Conguration................................................................................................................................. 300
QoS dot1p Trac Classication and Queue Assignment..........................................................................................308
Conguring the Dynamic Buer Method................................................................................................................... 308
Sample DCB Conguration...........................................................................................................................................309
PFC and ETS Conguration Command Examples................................................................................................ 311
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................312
DHCP Packet Format and Options.............................................................................................................................. 312
Assign an IP Address using DHCP................................................................................................................................314
Implementation Information.......................................................................................................................................... 315
Congure the System to be a DHCP Server.............................................................................................................. 315
Conguring the Server for Automatic Address Allocation...................................................................................316
Specifying a Default Gateway................................................................................................................................. 317
Congure a Method of Hostname Resolution...................................................................................................... 317
Using DNS for Address Resolution.........................................................................................................................317
Using NetBIOS WINS for Address Resolution...................................................................................................... 318
Creating Manual Binding Entries............................................................................................................................ 318
Debugging the DHCP Server..................................................................................................................................318
Using DHCP Clear Commands............................................................................................................................... 319
Congure the System to be a DHCP Client................................................................................................................319
Conguring the DHCP Client System....................................................................................................................319
DHCP Client on a Management Interface.............................................................................................................321
DHCP Client Operation with Other Features........................................................................................................321
DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 322
Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 322
Non-default VRF conguration for DHCPv6 helper address...................................................................................323
Conguring DHCP relay source interface................................................................................................................... 324
Global DHCP relay source IPv4 or IPv6 conguration ....................................................................................... 324
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................325
Congure Secure DHCP...............................................................................................................................................326
Option 82..................................................................................................................................................................326
DHCPv6 relay agent options.................................................................................................................................. 327
DHCP Snooping....................................................................................................................................................... 327
Drop DHCP Packets on Snooped VLANs Only....................................................................................................332
Dynamic ARP Inspection.........................................................................................................................................332
Conguring Dynamic ARP Inspection................................................................................................................... 333
Source Address Validation............................................................................................................................................ 335
Enabling IP Source Address Validation..................................................................................................................335
DHCP MAC Source Address Validation................................................................................................................ 336
Enabling IP+MAC Source Address Validation.......................................................................................................336
Viewing the Number of SAV Dropped Packets....................................................................................................337
Clearing the Number of SAV Dropped Packets................................................................................................... 337
10
Contents
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 338
ECMP for Flow-Based Anity..................................................................................................................................... 338
Conguring the Hash Algorithm............................................................................................................................ 338
Enabling Deterministic ECMP Next Hop.............................................................................................................. 338
Conguring the Hash Algorithm Seed.................................................................................................................. 339
Link Bundle Monitoring................................................................................................................................................. 339
Managing ECMP Group Paths...............................................................................................................................340
Creating an ECMP Group Bundle..........................................................................................................................340
Modifying the ECMP Group Threshold.................................................................................................................340
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table.......................................341
Support for ECMP in host table............................................................................................................................ 342
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 342
15 FIP Snooping............................................................................................................................................343
Fibre Channel over Ethernet........................................................................................................................................ 343
Ensure Robustness in a Converged Ethernet Network............................................................................................ 343
FIP Snooping on Ethernet Bridges..............................................................................................................................345
Using FIP Snooping....................................................................................................................................................... 347
FIP Snooping Prerequisites.....................................................................................................................................347
Important Points to Remember..............................................................................................................................347
Enabling the FCoE Transit Feature........................................................................................................................348
Enable FIP Snooping on VLANs.............................................................................................................................349
Congure the FC-MAP Value................................................................................................................................ 349
Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 349
Congure a Port for a Bridge-to-FCF Link...........................................................................................................349
Impact on Other Software Features..................................................................................................................... 349
FIP Snooping Restrictions...................................................................................................................................... 350
Conguring FIP Snooping.......................................................................................................................................350
Displaying FIP Snooping Information............................................................................................................................351
FCoE Transit Conguration Example.......................................................................................................................... 356
16 Flex Hash and Optimized Boot-Up............................................................................................................358
Flex Hash Capability Overview.................................................................................................................................... 358
Conguring the Flex Hash Mechanism.......................................................................................................................358
Conguring Fast Boot and LACP Fast Switchover...................................................................................................359
Optimizing the Boot Time.............................................................................................................................................359
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................359
Guidelines for Conguring Optimized Booting Mechanism................................................................................360
Interoperation of Applications with Fast Boot and System States...........................................................................361
LACP and IPv4 Routing...........................................................................................................................................361
LACP and IPv6 Routing...........................................................................................................................................361
BGP Graceful Restart............................................................................................................................................. 362
Cold Boot Caused by Power Cycling the System................................................................................................362
Unexpected Reload of the System........................................................................................................................362
Software Upgrade................................................................................................................................................... 362
Contents
11
LACP Fast Switchover............................................................................................................................................362
Changes to BGP Multipath.................................................................................................................................... 363
Delayed Installation of ECMP Routes Into BGP...................................................................................................363
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 363
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 364
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 365
Protocol Overview.........................................................................................................................................................365
Ring Status............................................................................................................................................................... 366
Multiple FRRP Rings............................................................................................................................................... 366
Important FRRP Points........................................................................................................................................... 367
Important FRRP Concepts..................................................................................................................................... 368
Implementing FRRP.......................................................................................................................................................369
FRRP Conguration...................................................................................................................................................... 369
Creating the FRRP Group...................................................................................................................................... 369
Conguring the Control VLAN...............................................................................................................................369
Conguring and Adding the Member VLANs........................................................................................................371
Setting the FRRP Timers........................................................................................................................................ 372
Clearing the FRRP Counters.................................................................................................................................. 372
Viewing the FRRP Conguration........................................................................................................................... 372
Viewing the FRRP Information...............................................................................................................................372
Troubleshooting FRRP...................................................................................................................................................373
Conguration Checks.............................................................................................................................................. 373
Sample Conguration and Topology............................................................................................................................ 373
FRRP Support on VLT................................................................................................................................................... 374
Example Scenario.....................................................................................................................................................375
Important Points to Remember..............................................................................................................................376
18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 377
Important Points to Remember....................................................................................................................................377
Congure GVRP.............................................................................................................................................................378
Related Conguration Tasks................................................................................................................................... 378
Enabling GVRP Globally................................................................................................................................................ 379
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 379
Congure GVRP Registration.......................................................................................................................................379
Congure a GARP Timer.............................................................................................................................................. 380
19 Internet Group Management Protocol (IGMP).......................................................................................... 381
IGMP Implementation Information............................................................................................................................... 381
IGMP Protocol Overview...............................................................................................................................................381
IGMP Version 2.........................................................................................................................................................381
IGMP Version 3........................................................................................................................................................ 383
Congure IGMP............................................................................................................................................................. 386
Related Conguration Tasks...................................................................................................................................386
Viewing IGMP Enabled Interfaces............................................................................................................................... 387
Selecting an IGMP Version........................................................................................................................................... 387
12
Contents
Viewing IGMP Groups...................................................................................................................................................388
Adjusting Timers............................................................................................................................................................ 388
Adjusting Query and Response Timers................................................................................................................. 388
Enabling IGMP Immediate-Leave.................................................................................................................................389
IGMP Snooping..............................................................................................................................................................390
IGMP Snooping Implementation Information.......................................................................................................390
Conguring IGMP Snooping.................................................................................................................................. 390
Removing a Group-Port Association......................................................................................................................391
Disabling Multicast Flooding....................................................................................................................................391
Specifying a Port as Connected to a Multicast Router....................................................................................... 391
Conguring the Switch as Querier........................................................................................................................ 392
Fast Convergence after MSTP Topology Changes...................................................................................................392
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................392
Protocol Separation................................................................................................................................................. 393
Enabling and Disabling Management Egress Interface Selection...................................................................... 394
Handling of Management Route Conguration................................................................................................... 395
Handling of Switch-Initiated Trac.......................................................................................................................395
Handling of Switch-Destined Trac......................................................................................................................396
Handling of Transit Trac (Trac Separation).....................................................................................................397
Mapping of Management Applications and Trac Type..................................................................................... 397
Behavior of Various Applications for Switch-Initiated Trac ............................................................................398
Behavior of Various Applications for Switch-Destined Trac .......................................................................... 399
Interworking of EIS With Various Applications.....................................................................................................399
Designating a Multicast Router Interface...................................................................................................................400
20 Interfaces.................................................................................................................................................401
Basic Interface Conguration........................................................................................................................................401
Advanced Interface Conguration............................................................................................................................... 401
Interface Types...............................................................................................................................................................402
View Basic Interface Information.................................................................................................................................402
Resetting an Interface to its Factory Default State...................................................................................................404
Enabling a Physical Interface........................................................................................................................................405
Physical Interfaces.........................................................................................................................................................405
Conguration Task List for Physical Interfaces....................................................................................................405
Overview of Layer Modes...................................................................................................................................... 406
Conguring Layer 2 (Data Link) Mode..................................................................................................................406
Conguring Layer 2 (Interface) Mode.................................................................................................................. 406
Conguring Layer 3 (Network) Mode...................................................................................................................407
Conguring Layer 3 (Interface) Mode...................................................................................................................407
Automatic recovery of an Err-disabled interface.......................................................................................................408
Conguring an automatic recovery for an Err-disabled interface......................................................................409
Egress Interface Selection (EIS)..................................................................................................................................409
Important Points to Remember............................................................................................................................. 409
Conguring EIS.........................................................................................................................................................410
Management Interfaces................................................................................................................................................ 410
Conguring Management Interfaces..................................................................................................................... 410
Contents
13
Conguring a Management Interface on an Ethernet Port................................................................................. 411
VLAN Interfaces.............................................................................................................................................................. 411
Loopback Interfaces.......................................................................................................................................................412
Null Interfaces................................................................................................................................................................. 413
Port Channel Interfaces.................................................................................................................................................413
Port Channel Denition and Standards..................................................................................................................413
Port Channel Benets..............................................................................................................................................413
Port Channel Implementation................................................................................................................................. 413
Interfaces in Port Channels.....................................................................................................................................414
Conguration Tasks for Port Channel Interfaces..................................................................................................414
Creating a Port Channel.......................................................................................................................................... 415
Adding a Physical Interface to a Port Channel..................................................................................................... 415
Reassigning an Interface to a New Port Channel.................................................................................................417
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 417
Adding or Removing a Port Channel from a VLAN.............................................................................................. 418
Assigning an IP Address to a Port Channel........................................................................................................... 419
Deleting or Disabling a Port Channel......................................................................................................................419
Load Balancing Through Port Channels................................................................................................................ 419
Load-Balancing Method..........................................................................................................................................420
Changing the Hash Algorithm................................................................................................................................420
Bulk Conguration.......................................................................................................................................................... 421
Interface Range........................................................................................................................................................ 421
Bulk Conguration Examples..................................................................................................................................422
Dening Interface Range Macros................................................................................................................................ 423
Dene the Interface Range.....................................................................................................................................424
Choosing an Interface-Range Macro.................................................................................................................... 424
Monitoring and Maintaining Interfaces........................................................................................................................424
Maintenance Using TDR......................................................................................................................................... 425
Non Dell-Qualied Transceivers................................................................................................................................... 426
Splitting 100G Ports...................................................................................................................................................... 426
Link Dampening..............................................................................................................................................................427
Important Points to Remember..............................................................................................................................428
Conguration Example of Link Dampening...........................................................................................................428
Enabling Link Dampening........................................................................................................................................430
Link Bundle Monitoring.................................................................................................................................................. 431
Using Ethernet Pause Frames for Flow Control........................................................................................................ 432
Enabling Pause Frames........................................................................................................................................... 432
Congure the MTU Size on an Interface....................................................................................................................433
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................434
Port-Pipes.......................................................................................................................................................................434
CR4 Auto-Negotiation...................................................................................................................................................434
Setting the Speed of Ethernet Interfaces.................................................................................................................. 435
Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................436
FEC Conguration......................................................................................................................................................... 436
View interface information with FEC type..................................................................................................................438
14
Contents
View Advanced Interface Information.........................................................................................................................439
Conguring the Interface Sampling Size.............................................................................................................. 440
Conguring the Trac Sampling Size Globally........................................................................................................... 441
Dynamic Counters......................................................................................................................................................... 443
Clearing Interface Counters....................................................................................................................................443
Enhanced Validation of Interface Ranges...................................................................................................................444
Compressing Conguration Files................................................................................................................................. 444
OUI on 25G and 50G Interfaces..................................................................................................................................446
Conguring OUI on 25G and 50G Interfaces.......................................................................................................447
21 IPv4 Routing.............................................................................................................................................448
IP Addresses...................................................................................................................................................................449
Implementation Information....................................................................................................................................449
Conguration Tasks for IP Addresses..........................................................................................................................449
Assigning IP Addresses to an Interface.......................................................................................................................449
Conguring Static Routes............................................................................................................................................ 450
Adding description for IPv4 and IPv6 static routes..............................................................................................451
Congure Static Routes for the Management Interface.......................................................................................... 452
IPv4 Path MTU Discovery Overview.......................................................................................................................... 452
Packet handling during MTU mismatch................................................................................................................453
Using the Congured Source IP Address in ICMP Messages..................................................................................453
Conguring the ICMP Source Interface............................................................................................................... 453
Conguring the Duration to Establish a TCP Connection........................................................................................ 454
Enabling Directed Broadcast........................................................................................................................................ 454
Resolution of Host Names............................................................................................................................................454
Enabling Dynamic Resolution of Host Names............................................................................................................455
Specifying the Local System Domain and a List of Domains................................................................................... 455
Conguring DNS with Traceroute............................................................................................................................... 456
ARP................................................................................................................................................................................. 456
Conguration Tasks for ARP........................................................................................................................................ 457
Conguring Static ARP Entries....................................................................................................................................457
Enabling Proxy ARP.......................................................................................................................................................457
Clearing ARP Cache......................................................................................................................................................458
ARP Learning via Gratuitous ARP............................................................................................................................... 458
Enabling ARP Learning via Gratuitous ARP................................................................................................................458
ARP Learning via ARP Request................................................................................................................................... 458
Conguring ARP Retries...............................................................................................................................................459
ICMP............................................................................................................................................................................... 460
Conguration Tasks for ICMP......................................................................................................................................460
Enabling ICMP Unreachable Messages...................................................................................................................... 460
ICMP Redirects..............................................................................................................................................................460
UDP Helper..................................................................................................................................................................... 461
Congure UDP Helper............................................................................................................................................. 461
Important Points to Remember............................................................................................................................. 462
Enabling UDP Helper.....................................................................................................................................................462
Conguring a Broadcast Address................................................................................................................................ 462
Contents
15
Congurations Using UDP Helper............................................................................................................................... 463
UDP Helper with Broadcast-All Addresses.................................................................................................................463
UDP Helper with Subnet Broadcast Addresses.........................................................................................................464
UDP Helper with Congured Broadcast Addresses..................................................................................................464
UDP Helper with No Congured Broadcast Addresses............................................................................................465
Troubleshooting UDP Helper........................................................................................................................................465
22 IPv6 Routing............................................................................................................................................466
Protocol Overview.........................................................................................................................................................466
Extended Address Space........................................................................................................................................467
Stateless Autoconguration....................................................................................................................................467
IPv6 Headers............................................................................................................................................................467
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 468
IPv6 Header Fields...................................................................................................................................................469
Extension Header Fields.......................................................................................................................................... 471
Addressing................................................................................................................................................................ 472
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 473
ICMPv6........................................................................................................................................................................... 473
Path MTU discovery......................................................................................................................................................473
IPv6 Neighbor Discovery...............................................................................................................................................474
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................475
Conguring the IPv6 Recursive DNS Server....................................................................................................... 475
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 476
Displaying IPv6 RDNSS Information......................................................................................................................476
Secure Shell (SSH) Over an IPv6 Transport...............................................................................................................477
Conguration Tasks for IPv6.........................................................................................................................................477
Adjusting Your CAM-Prole.................................................................................................................................... 477
Assigning an IPv6 Address to an Interface........................................................................................................... 478
Assigning a Static IPv6 Route................................................................................................................................ 479
Conguring Telnet with IPv6.................................................................................................................................. 479
SNMP over IPv6......................................................................................................................................................480
Displaying IPv6 Information....................................................................................................................................480
Displaying an IPv6 Interface Information.............................................................................................................. 480
Showing IPv6 Routes...............................................................................................................................................481
Showing the Running-Conguration for an Interface......................................................................................... 482
Clearing IPv6 Routes...............................................................................................................................................483
Conguring IPv6 RA Guard.......................................................................................................................................... 483
23 iSCSI Optimization...................................................................................................................................486
iSCSI Optimization Overview....................................................................................................................................... 486
Monitoring iSCSI Trac Flows...............................................................................................................................488
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 488
Information Monitored in iSCSI Trac Flows.......................................................................................................488
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 489
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................489
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................490
16
Contents
Enable and Disable iSCSI Optimization.................................................................................................................490
Default iSCSI Optimization Values................................................................................................................................491
iSCSI Optimization Prerequisites.................................................................................................................................. 491
Conguring iSCSI Optimization.................................................................................................................................... 491
Displaying iSCSI Optimization Information..................................................................................................................493
24 Intermediate System to Intermediate System.......................................................................................... 495
IS-IS Protocol Overview............................................................................................................................................... 495
IS-IS Addressing.............................................................................................................................................................495
Multi-Topology IS-IS...................................................................................................................................................... 496
Transition Mode....................................................................................................................................................... 496
Interface Support.....................................................................................................................................................497
Adjacencies...............................................................................................................................................................497
Graceful Restart.............................................................................................................................................................497
Timers........................................................................................................................................................................497
Implementation Information..........................................................................................................................................497
Conguration Information.............................................................................................................................................498
Conguration Tasks for IS-IS..................................................................................................................................499
Conguring the Distance of a Route.....................................................................................................................506
Changing the IS-Type.............................................................................................................................................. 507
Redistributing IPv4 Routes.....................................................................................................................................509
Redistributing IPv6 Routes......................................................................................................................................510
Conguring Authentication Passwords.................................................................................................................. 511
Setting the Overload Bit...........................................................................................................................................511
Debugging IS-IS........................................................................................................................................................512
IS-IS Metric Styles..........................................................................................................................................................513
Congure Metric Values................................................................................................................................................ 513
Maximum Values in the Routing Table................................................................................................................... 514
Change the IS-IS Metric Style in One Level Only.................................................................................................514
Leaks from One Level to Another...........................................................................................................................515
Sample Congurations...................................................................................................................................................516
25 In-Service Software Upgrade................................................................................................................... 519
ISSU Introduction........................................................................................................................................................... 519
Warmboot Limitations..............................................................................................................................................519
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 519
L2 ISSU........................................................................................................................................................................... 520
L3 ISSU........................................................................................................................................................................... 520
CoPP................................................................................................................................................................................521
Mirroring ow control packets......................................................................................................................................521
PFC.................................................................................................................................................................................. 521
QoS.................................................................................................................................................................................. 521
Tunnel Conguration...................................................................................................................................................... 521
26 Link Aggregation Control Protocol (LACP).............................................................................................. 523
Introduction to Dynamic LAGs and LACP.................................................................................................................. 523
Contents
17
Important Points to Remember............................................................................................................................. 523
LACP Modes............................................................................................................................................................ 524
Conguring LACP Commands............................................................................................................................... 524
LACP Conguration Tasks............................................................................................................................................525
Creating a LAG.........................................................................................................................................................525
Conguring the LAG Interfaces as Dynamic........................................................................................................525
Setting the LACP Long Timeout............................................................................................................................526
Monitoring and Debugging LACP..........................................................................................................................526
Shared LAG State Tracking...........................................................................................................................................527
Conguring Shared LAG State Tracking............................................................................................................... 527
Important Points about Shared LAG State Tracking...........................................................................................529
LACP Basic Conguration Example............................................................................................................................ 529
Congure a LAG on ALPHA................................................................................................................................... 529
27 Layer 2.....................................................................................................................................................538
Manage the MAC Address Table................................................................................................................................. 538
Clearing the MAC Address Table........................................................................................................................... 538
Setting the Aging Time for Dynamic Entries........................................................................................................538
Conguring a Static MAC Address........................................................................................................................539
Displaying the MAC Address Table........................................................................................................................539
MAC Learning Limit.......................................................................................................................................................539
Setting the MAC Learning Limit............................................................................................................................ 540
mac learning-limit Dynamic.................................................................................................................................... 540
mac learning-limit mac-address-sticky................................................................................................................. 540
mac learning-limit station-move............................................................................................................................. 541
mac learning-limit no-station-move....................................................................................................................... 541
Learning Limit Violation Actions..............................................................................................................................541
Setting Station Move Violation Actions................................................................................................................ 542
Recovering from Learning Limit and Station Move Violations........................................................................... 542
Disabling MAC Address Learning on the System.......................................................................................................543
Enabling port security................................................................................................................................................... 543
NIC Teaming................................................................................................................................................................... 543
Congure Redundant Pairs...........................................................................................................................................544
Important Points about Conguring Redundant Pairs........................................................................................ 546
Far-End Failure Detection............................................................................................................................................. 547
FEFD State Changes...............................................................................................................................................548
Conguring FEFD.................................................................................................................................................... 549
Enabling FEFD on an Interface.............................................................................................................................. 549
Debugging FEFD......................................................................................................................................................550
28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 552
802.1AB (LLDP) Overview............................................................................................................................................552
Protocol Data Units................................................................................................................................................. 552
Optional TLVs.................................................................................................................................................................553
Management TLVs.................................................................................................................................................. 553
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 555
18
Contents
TIA Organizationally Specic TLVs........................................................................................................................555
Congure LLDP............................................................................................................................................................. 558
Related Conguration Tasks...................................................................................................................................558
Important Points to Remember............................................................................................................................. 559
LLDP Compatibility..................................................................................................................................................559
CONFIGURATION versus INTERFACE Congurations............................................................................................559
Enabling LLDP................................................................................................................................................................560
Disabling and Undoing LLDP..................................................................................................................................560
Enabling LLDP on Management Ports........................................................................................................................560
Disabling and Undoing LLDP on Management Ports..........................................................................................560
Advertising TLVs.............................................................................................................................................................561
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................562
Reserved Unrecognized LLDP TLVs..................................................................................................................... 562
Organizational Specic Unrecognized LLDP TLVs..............................................................................................562
Viewing Unrecognized LLDP TLVs........................................................................................................................ 563
Viewing the LLDP Conguration................................................................................................................................. 563
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................563
Examples of Viewing Information Advertised by Neighbors.............................................................................. 564
Conguring LLDPDU Intervals.....................................................................................................................................565
Conguring LLDP Notication Interval.......................................................................................................................566
Conguring Transmit and Receive Mode................................................................................................................... 566
Conguring the Time to Live Value............................................................................................................................. 567
Debugging LLDP............................................................................................................................................................568
Relevant Management Objects................................................................................................................................... 569
29 Microsoft Network Load Balancing.......................................................................................................... 573
NLB Unicast Mode Scenario........................................................................................................................................ 573
NLB Multicast Mode Scenario..................................................................................................................................... 573
Limitations of the NLB Feature.................................................................................................................................... 574
Microsoft Clustering...................................................................................................................................................... 574
Enable and Disable VLAN Flooding .............................................................................................................................574
Conguring a Switch for NLB ..................................................................................................................................... 574
Enabling a Switch for Multicast NLB.................................................................................................................... 575
30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 576
Protocol Overview......................................................................................................................................................... 576
Anycast RP..................................................................................................................................................................... 577
Implementation Information..........................................................................................................................................578
Congure Multicast Source Discovery Protocol........................................................................................................ 578
Related Conguration Tasks................................................................................................................................... 578
Enable MSDP................................................................................................................................................................. 582
Manage the Source-Active Cache.............................................................................................................................. 583
Viewing the Source-Active Cache.........................................................................................................................583
Limiting the Source-Active Cache.........................................................................................................................583
Clearing the Source-Active Cache........................................................................................................................584
Enabling the Rejected Source-Active Cache....................................................................................................... 584
Contents
19
Accept Source-Active Messages that Fail the RFP Check......................................................................................584
Specifying Source-Active Messages...........................................................................................................................587
Limiting the Source-Active Messages from a Peer...................................................................................................588
Preventing MSDP from Caching a Local Source.......................................................................................................588
Preventing MSDP from Caching a Remote Source.................................................................................................. 589
Preventing MSDP from Advertising a Local Source................................................................................................. 589
Logging Changes in Peership States...........................................................................................................................590
Terminating a Peership..................................................................................................................................................590
Clearing Peer Statistics................................................................................................................................................. 591
Debugging MSDP...........................................................................................................................................................591
MSDP with Anycast RP................................................................................................................................................592
Conguring Anycast RP................................................................................................................................................593
Reducing Source-Active Message Flooding.........................................................................................................594
Specifying the RP Address Used in SA Messages.............................................................................................. 594
MSDP Sample Congurations..................................................................................................................................... 596
31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 599
Protocol Overview.........................................................................................................................................................599
Spanning Tree Variations.............................................................................................................................................. 600
Implementation Information................................................................................................................................... 600
Congure Multiple Spanning Tree Protocol................................................................................................................600
Related Conguration Tasks....................................................................................................................................601
Enable Multiple Spanning Tree Globally.......................................................................................................................601
Adding and Removing Interfaces..................................................................................................................................601
Creating Multiple Spanning Tree Instances................................................................................................................ 602
Inuencing MSTP Root Selection................................................................................................................................603
Interoperate with Non-Dell Bridges.............................................................................................................................604
Changing the Region Name or Revision..................................................................................................................... 604
Modifying Global Parameters....................................................................................................................................... 604
Modifying the Interface Parameters........................................................................................................................... 606
Setting STP path cost as constant............................................................................................................................. 607
Conguring an EdgePort.............................................................................................................................................. 607
Flush MAC Addresses after a Topology Change....................................................................................................... 608
MSTP Sample Congurations......................................................................................................................................608
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................608
Debugging and Verifying MSTP Congurations......................................................................................................... 612
32 Multicast Features................................................................................................................................... 615
Enabling IP Multicast..................................................................................................................................................... 615
Implementation Information.......................................................................................................................................... 615
Multicast Policies............................................................................................................................................................616
IPv4 Multicast Policies.............................................................................................................................................616
Understanding Multicast Traceroute (mtrace)...........................................................................................................623
Important Points to Remember..............................................................................................................................624
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 624
20
Contents
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