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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
9.14.2.0
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 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 - 04
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............................................................................................................................ 59
Using HTTP for File Transfers........................................................................................................................................ 59
Contents
3
Verify Software Images Before Installation...................................................................................................................60
4 Management................................................................................................................................................62
Conguring Privilege Levels............................................................................................................................................62
Creating a Custom Privilege Level...........................................................................................................................63
Removing a Command from EXEC Mode.............................................................................................................. 63
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................63
Allowing Access to CONFIGURATION Mode Commands....................................................................................63
Allowing Access to Dierent Modes........................................................................................................................63
Applying a Privilege Level to a Username...............................................................................................................65
Applying a Privilege Level to a Terminal Line.......................................................................................................... 65
Conguring Logging........................................................................................................................................................ 65
Audit and Security Logs............................................................................................................................................ 66
Conguring Logging Format ...................................................................................................................................67
Setting Up a Secure Connection to a Syslog Server.............................................................................................67
Log Messages in the Internal Buer..............................................................................................................................69
Conguration Task List for System Log Management..........................................................................................69
Disabling System Logging............................................................................................................................................... 69
Sending System Messages to a Syslog Server............................................................................................................69
Conguring a UNIX System as a Syslog Server.....................................................................................................69
Track Login Activity..........................................................................................................................................................70
Restrictions for Tracking Login Activity...................................................................................................................70
Conguring Login Activity Tracking......................................................................................................................... 70
Display Login Statistics...............................................................................................................................................71
Limit Concurrent Login Sessions....................................................................................................................................72
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................72
Conguring Concurrent Session Limit.....................................................................................................................72
Enabling the System to Clear Existing Sessions.................................................................................................... 73
Enabling Secured CLI Mode............................................................................................................................................74
Changing System Logging Settings............................................................................................................................... 74
Display the Logging Buer and the Logging Conguration........................................................................................75
Conguring a UNIX Logging Facility Level....................................................................................................................75
Synchronizing Log Messages......................................................................................................................................... 76
Enabling Timestamp on Syslog Messages.................................................................................................................... 77
File Transfer Services.......................................................................................................................................................77
Conguration Task List for File Transfer Services.................................................................................................. 77
Enabling the FTP Server........................................................................................................................................... 78
Conguring FTP Server Parameters........................................................................................................................78
Conguring FTP Client Parameters......................................................................................................................... 78
Terminal Lines................................................................................................................................................................... 79
Denying and Permitting Access to a Terminal Line................................................................................................79
Conguring Login Authentication for Terminal Lines.............................................................................................80
Setting Timeout for EXEC Privilege Mode....................................................................................................................81
Using Telnet to get to Another Network Device..........................................................................................................82
Lock CONFIGURATION Mode....................................................................................................................................... 82
Viewing the Conguration Lock Status...................................................................................................................82
4
Contents
LPC Bus Quality Degradation......................................................................................................................................... 83
LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................83
Reloading the system...................................................................................................................................................... 84
Restoring the Factory Default Settings.........................................................................................................................84
Important Points to Remember................................................................................................................................85
Restoring Factory Default Environment Variables................................................................................................. 85
Viewing the Reason for Last System Reboot.............................................................................................................. 86
Disabling Syslog Messages for SNMP Authentication Failure Events...................................................................... 86
5 802.1X..........................................................................................................................................................87
Port-Authentication Process..........................................................................................................................................89
EAP over RADIUS......................................................................................................................................................89
Conguring 802.1X...........................................................................................................................................................90
Related Conguration Tasks..................................................................................................................................... 90
Important Points to Remember......................................................................................................................................90
Enabling 802.1X................................................................................................................................................................. 91
Conguring dot1x Prole ................................................................................................................................................92
Conguring the Static MAB and MAB Prole .............................................................................................................93
Conguring Critical VLAN ..............................................................................................................................................93
Conguring MAC addresses for a do1x Prole.............................................................................................................94
Conguring Request Identity Re-Transmissions...........................................................................................................95
Conguring a Quiet Period after a Failed Authentication..................................................................................... 95
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 96
Re-Authenticating a Port................................................................................................................................................ 97
Conguring Timeouts......................................................................................................................................................98
Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 99
Guest and Authentication-Fail VLANs.........................................................................................................................100
Conguring a Guest VLAN......................................................................................................................................100
Conguring an Authentication-Fail VLAN............................................................................................................. 100
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 102
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 102
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 103
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................103
Conguring ACL VLAN Groups.............................................................................................................................. 103
Conguring FP Blocks for VLAN Parameters.......................................................................................................104
Viewing CAM Usage...................................................................................................................................................... 105
Allocating FP Blocks for VLAN Processes.................................................................................................................. 106
ACL Optimization to Increase Number of Supported IPv4 ACLs.............................................................................106
Restrictions for ACL Optimization..........................................................................................................................107
Optimizing ACL for More Number of IPv4 ACL Rules.........................................................................................107
7 Access Control Lists (ACLs)....................................................................................................................... 108
IP Access Control Lists (ACLs).....................................................................................................................................109
CAM Usage................................................................................................................................................................110
Implementing ACLs on Dell EMC Networking OS................................................................................................. 111
Contents
5
Congure ACL Range Proles....................................................................................................................................... 112
Important Points to Remember..................................................................................................................................... 113
Conguration Task List for Route Maps.................................................................................................................113
Conguring Match Routes.......................................................................................................................................116
Conguring Set Conditions...................................................................................................................................... 117
Congure a Route Map for Route Redistribution..................................................................................................118
Congure a Route Map for Route Tagging............................................................................................................ 118
Continue Clause........................................................................................................................................................ 119
IP Fragment Handling..................................................................................................................................................... 119
IP Fragments ACL Examples................................................................................................................................... 119
Layer 4 ACL Rules Examples...................................................................................................................................120
Congure a Standard IP ACL.........................................................................................................................................121
Conguring a Standard IP ACL Filter..................................................................................................................... 122
Congure an Extended IP ACL..................................................................................................................................... 122
Conguring Filters with a Sequence Number....................................................................................................... 123
Conguring Filters Without a Sequence Number.................................................................................................125
Congure Layer 2 and Layer 3 ACLs............................................................................................................................126
Assign an IP ACL to an Interface.................................................................................................................................. 127
Applying an IP ACL......................................................................................................................................................... 127
Counting ACL Hits....................................................................................................................................................128
Congure Ingress ACLs................................................................................................................................................. 128
Congure Egress ACLs.................................................................................................................................................. 128
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 129
Conguring UDF ACL.................................................................................................................................................... 130
IP Prex Lists.................................................................................................................................................................. 132
Implementation Information.................................................................................................................................... 133
Conguration Task List for Prex Lists.................................................................................................................. 133
ACL Remarks.................................................................................................................................................................. 136
Conguring a Remark.............................................................................................................................................. 136
Deleting a Remark.....................................................................................................................................................137
ACL Resequencing......................................................................................................................................................... 138
Resequencing an ACL or Prex List.......................................................................................................................138
Route Maps.....................................................................................................................................................................139
Implementation Information.................................................................................................................................... 139
8 Bidirectional Forwarding Detection (BFD)...................................................................................................141
How BFD Works.............................................................................................................................................................. 141
BFD Packet Format..................................................................................................................................................142
BFD Sessions............................................................................................................................................................ 143
BFD Three-Way Handshake.................................................................................................................................... 144
Session State Changes............................................................................................................................................146
Important Points to Remember.................................................................................................................................... 146
Congure BFD.................................................................................................................................................................147
Congure BFD for Physical Ports...........................................................................................................................147
Congure BFD for Static Routes............................................................................................................................149
Congure BFD for IPv6 Static Routes...................................................................................................................152
6
Contents
Congure BFD for OSPF.........................................................................................................................................154
Congure BFD for OSPFv3.....................................................................................................................................159
Congure BFD for IS-IS...........................................................................................................................................162
Congure BFD for BGP........................................................................................................................................... 164
Congure BFD for VRRP.........................................................................................................................................172
Conguring Protocol Liveness.................................................................................................................................174
9 Border Gateway Protocol (BGP)................................................................................................................ 175
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 175
BGP Autonomous Systems..................................................................................................................................... 175
AS4 Number Representation...................................................................................................................................177
Four-Byte AS Numbers............................................................................................................................................179
BGP router ID............................................................................................................................................................179
Sessions and Peers...................................................................................................................................................179
Establish a Session...................................................................................................................................................180
BGP Attributes for selecting Best Path.................................................................................................................180
Multiprotocol BGP....................................................................................................................................................185
BGP global and address family conguration........................................................................................................186
Implement BGP with Dell EMC Networking OS...................................................................................................188
Conguration Information........................................................................................................................................ 191
Basic BGP conguration tasks...................................................................................................................................... 191
Prerequisite for conguring a BGP network.......................................................................................................... 191
Restrictions............................................................................................................................................................... 192
Enabling BGP............................................................................................................................................................ 192
Enabling four-byte autonomous system numbers................................................................................................194
Changing a BGP router ID.......................................................................................................................................195
Conguring AS4 Number Representations........................................................................................................... 195
Conguring a BGP peer...........................................................................................................................................197
Example-Conguring BGP routing between peers..............................................................................................198
BGP peer group........................................................................................................................................................199
Advanced BGP conguration tasks.............................................................................................................................205
Route-refresh and Soft-reconguration............................................................................................................... 206
Aggregating Routes.................................................................................................................................................208
Filtering BGP.............................................................................................................................................................210
Conguring BGP Fast Fall-Over............................................................................................................................. 217
Conguring Passive Peering................................................................................................................................... 218
Enabling Graceful Restart........................................................................................................................................219
Redistributing Routes..............................................................................................................................................220
Enabling Additional Paths........................................................................................................................................ 221
Conguring IP Community Lists............................................................................................................................ 222
Conguring an IP Extended Community List....................................................................................................... 223
Congure BGP attributes....................................................................................................................................... 224
Enabling Multipath...................................................................................................................................................228
Route Reectors......................................................................................................................................................229
Enabling Route Flap Dampening............................................................................................................................ 230
Changing BGP keepalive and hold timers.............................................................................................................232
Contents
7
Setting the extended timer.....................................................................................................................................233
Enabling or disabling BGP neighbors.....................................................................................................................234
Route Map Continue............................................................................................................................................... 235
Conguring BGP Confederations.......................................................................................................................... 235
Conguring a BGP VRF address family................................................................................................................ 236
Maintaining Existing AS Numbers During an AS Migration.................................................................................237
Allowing an AS Number to Appear in its Own AS Path...................................................................................... 238
Enabling MBGP Congurations............................................................................................................................. 239
MBGP support for IPv6..........................................................................................................................................239
Conguring IPv6 MBGP between peers.............................................................................................................. 240
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 240
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 243
BGP Regular Expression Optimization.................................................................................................................. 244
Debugging BGP....................................................................................................................................................... 245
10 Content Addressable Memory (CAM).......................................................................................................247
CAM Allocation...............................................................................................................................................................247
Test CAM Usage............................................................................................................................................................249
View CAM-ACL Settings.............................................................................................................................................. 249
View CAM Usage...........................................................................................................................................................250
Conguring CAM Threshold and Silence Period.........................................................................................................251
Setting CAM Threshold and Silence Period.......................................................................................................... 251
CAM Optimization......................................................................................................................................................... 252
Troubleshoot CAM Proling..........................................................................................................................................252
QoS CAM Region Limitation...................................................................................................................................252
Syslog Error When the Table is Full....................................................................................................................... 253
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................253
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................253
Unied Forwarding Table (UFT) Modes......................................................................................................................253
Conguring UFT Modes......................................................................................................................................... 254
IPv6 CAM ACL Region..................................................................................................................................................254
Important Points to Remember............................................................................................................................. 254
Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................255
Sharing CAM space between IPv4 QoS and IPv6 ACLs....................................................................................255
11 Control Plane Policing (CoPP).................................................................................................................. 257
Congure Control Plane Policing................................................................................................................................. 258
Conguring CoPP for Protocols............................................................................................................................ 259
Conguring CoPP for CPU Queues....................................................................................................................... 261
Protocol to CPU Queue Mapping.......................................................................................................................... 262
Conguring Protocol to CPU Queue Mapping.....................................................................................................262
Displaying CoPP Conguration ............................................................................................................................. 263
12 Data Center Bridging (DCB).....................................................................................................................265
Ethernet Enhancements in Data Center Bridging..................................................................................................... 265
Priority-Based Flow Control................................................................................................................................... 266
8
Contents
Enhanced Transmission Selection..........................................................................................................................267
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................268
Data Center Bridging in a Trac Flow.................................................................................................................. 269
Buer Organization................................................................................................................................................. 269
Enabling Data Center Bridging......................................................................................................................................271
DCB Maps and its Attributes..................................................................................................................................272
Data Center Bridging: Default Conguration..............................................................................................................272
Conguring Priority-Based Flow Control.................................................................................................................... 273
Conguring Lossless Queues..................................................................................................................................274
Conguring PFC in a DCB Map................................................................................................................................... 275
PFC Conguration Notes........................................................................................................................................275
PFC Prerequisites and Restrictions....................................................................................................................... 276
Applying a DCB Map on a Port.................................................................................................................................... 276
Conguring PFC without a DCB Map......................................................................................................................... 277
Conguring PFC Asymmetric....................................................................................................................................... 277
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................278
Pause and Resume of Trac..................................................................................................................................278
Buer Sizes for Lossless or PFC Packets.............................................................................................................278
Shared headroom for lossless or PFC packets...........................................................................................................279
Example Scenario.....................................................................................................................................................279
Conguring Shared Head Room Buer................................................................................................................. 281
Viewing Shared Head Room Usage........................................................................................................................281
Monitoring Buer Statistics for Tracking Purposes............................................................................................. 281
Behavior of Tagged Packets.........................................................................................................................................282
Conguration Example for DSCP and PFC Priorities................................................................................................282
SNMP Support for PFC and Buer Statistics Tracking............................................................................................283
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................283
PFC and ETS Conguration Examples........................................................................................................................284
Using PFC to Manage Converged Ethernet Trac...................................................................................................284
Operations on Untagged Packets................................................................................................................................284
Generation of PFC for a Priority for Untagged Packets...........................................................................................285
Congure Enhanced Transmission Selection..............................................................................................................285
Creating an ETS Priority Group............................................................................................................................. 285
ETS Operation with DCBx......................................................................................................................................286
Conguring ETS in a DCB Map..............................................................................................................................287
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 288
Using ETS to Manage Converged Ethernet Trac...................................................................................................288
Applying DCB Policies in a Switch Stack.................................................................................................................... 288
Congure a DCBx Operation........................................................................................................................................289
DCBx Operation....................................................................................................................................................... 289
DCBx Port Roles...................................................................................................................................................... 289
DCB Conguration Exchange................................................................................................................................. 291
Conguration Source Election................................................................................................................................ 291
Propagation of DCB Information............................................................................................................................292
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 292
Contents
9
DCBx Example..........................................................................................................................................................292
DCBx Prerequisites and Restrictions.....................................................................................................................293
Conguring DCBx....................................................................................................................................................293
Verifying the DCB Conguration................................................................................................................................. 296
QoS dot1p Trac Classication and Queue Assignment..........................................................................................304
Conguring the Dynamic Buer Method................................................................................................................... 304
Sample DCB Conguration...........................................................................................................................................305
PFC and ETS Conguration Command Examples...............................................................................................307
13 Dynamic Host Conguration Protocol (DHCP).........................................................................................308
DHCP Packet Format and Options............................................................................................................................. 308
Assign an IP Address using DHCP................................................................................................................................310
Implementation Information........................................................................................................................................... 311
Congure the System to be a DHCP Server............................................................................................................... 311
Conguring the Server for Automatic Address Allocation...................................................................................312
Specifying a Default Gateway.................................................................................................................................313
Congure a Method of Hostname Resolution...................................................................................................... 313
Using DNS for Address Resolution.........................................................................................................................313
Using NetBIOS WINS for Address Resolution...................................................................................................... 314
Creating Manual Binding Entries.............................................................................................................................314
Debugging the DHCP Server..................................................................................................................................314
Using DHCP Clear Commands............................................................................................................................... 315
Congure the System to be a DHCP Client................................................................................................................315
Conguring the DHCP Client System....................................................................................................................315
DHCP Client on a Management Interface.............................................................................................................317
DHCP Client Operation with Other Features........................................................................................................317
DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................318
Conguring Route Leaking between VRFs on DHCP Relay Agent.................................................................... 318
Non-default VRF conguration for DHCPv6 helper address....................................................................................319
Conguring DHCP relay source interface...................................................................................................................320
Global DHCP relay source IPv4 or IPv6 conguration ....................................................................................... 320
Interface level DHCP relay source IPv4 or IPv6 conguration .......................................................................... 321
Congure Secure DHCP...............................................................................................................................................322
Option 82..................................................................................................................................................................322
DHCPv6 relay agent options..................................................................................................................................323
DHCP Snooping....................................................................................................................................................... 323
Drop DHCP Packets on Snooped VLANs Only....................................................................................................328
Dynamic ARP Inspection.........................................................................................................................................328
Conguring Dynamic ARP Inspection................................................................................................................... 329
Source Address Validation............................................................................................................................................ 330
Enabling IP Source Address Validation..................................................................................................................330
DHCP MAC Source Address Validation................................................................................................................. 331
Enabling IP+MAC Source Address Validation........................................................................................................331
Viewing the Number of SAV Dropped Packets....................................................................................................332
Clearing the Number of SAV Dropped Packets................................................................................................... 332
10
Contents
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 333
ECMP for Flow-Based Anity..................................................................................................................................... 333
Conguring the Hash Algorithm............................................................................................................................ 333
Enabling Deterministic ECMP Next Hop.............................................................................................................. 333
Conguring the Hash Algorithm Seed.................................................................................................................. 334
Link Bundle Monitoring................................................................................................................................................. 334
Managing ECMP Group Paths...............................................................................................................................335
Creating an ECMP Group Bundle..........................................................................................................................335
Modifying the ECMP Group Threshold.................................................................................................................335
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................336
Support for ECMP in host table.............................................................................................................................337
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes .........................................................................337
15 FIP Snooping............................................................................................................................................338
Fibre Channel over Ethernet........................................................................................................................................ 338
Ensure Robustness in a Converged Ethernet Network............................................................................................338
FIP Snooping on Ethernet Bridges..............................................................................................................................340
Using FIP Snooping....................................................................................................................................................... 342
FIP Snooping Prerequisites.....................................................................................................................................342
Important Points to Remember..............................................................................................................................342
Enabling the FCoE Transit Feature........................................................................................................................343
Enable FIP Snooping on VLANs.............................................................................................................................344
Congure the FC-MAP Value................................................................................................................................ 344
Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 344
Congure a Port for a Bridge-to-FCF Link...........................................................................................................344
Impact on Other Software Features..................................................................................................................... 344
FIP Snooping Restrictions...................................................................................................................................... 345
Conguring FIP Snooping.......................................................................................................................................345
Displaying FIP Snooping Information...........................................................................................................................346
FCoE Transit Conguration Example........................................................................................................................... 351
16 Flex Hash and Optimized Boot-Up............................................................................................................353
Flex Hash Capability Overview.................................................................................................................................... 353
Conguring the Flex Hash Mechanism.......................................................................................................................353
Conguring Fast Boot and LACP Fast Switchover...................................................................................................354
Optimizing the Boot Time.............................................................................................................................................354
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................354
Guidelines for Conguring Optimized Booting Mechanism................................................................................355
Interoperation of Applications with Fast Boot and System States..........................................................................356
LACP and IPv4 Routing..........................................................................................................................................356
LACP and IPv6 Routing..........................................................................................................................................356
BGP Graceful Restart..............................................................................................................................................357
Cold Boot Caused by Power Cycling the System................................................................................................357
Unexpected Reload of the System........................................................................................................................357
Software Upgrade....................................................................................................................................................357
Contents
11
LACP Fast Switchover............................................................................................................................................357
Changes to BGP Multipath.................................................................................................................................... 358
Delayed Installation of ECMP Routes Into BGP...................................................................................................358
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 358
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 359
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 360
Protocol Overview.........................................................................................................................................................360
Ring Status................................................................................................................................................................361
Multiple FRRP Rings................................................................................................................................................ 361
Important FRRP Points...........................................................................................................................................362
Important FRRP Concepts..................................................................................................................................... 363
Implementing FRRP.......................................................................................................................................................364
FRRP Conguration...................................................................................................................................................... 364
Creating the FRRP Group.......................................................................................................................................364
Conguring the Control VLAN...............................................................................................................................364
Conguring and Adding the Member VLANs...................................................................................................... 366
Setting the FRRP Timers........................................................................................................................................367
Clearing the FRRP Counters.................................................................................................................................. 367
Viewing the FRRP Conguration........................................................................................................................... 367
Viewing the FRRP Information...............................................................................................................................367
Troubleshooting FRRP.................................................................................................................................................. 368
Conguration Checks..............................................................................................................................................368
Sample Conguration and Topology............................................................................................................................368
FRRP Support on VLT...................................................................................................................................................369
Example Scenario.....................................................................................................................................................370
Important Points to Remember.............................................................................................................................. 371
18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 372
Important Points to Remember....................................................................................................................................372
Congure GVRP.............................................................................................................................................................373
Related Conguration Tasks................................................................................................................................... 373
Enabling GVRP Globally.................................................................................................................................................374
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 374
Congure GVRP Registration.......................................................................................................................................374
Congure a GARP Timer...............................................................................................................................................375
19 Internet Group Management Protocol (IGMP)..........................................................................................376
IGMP Implementation Information...............................................................................................................................376
IGMP Protocol Overview.............................................................................................................................................. 376
IGMP Version 2........................................................................................................................................................ 376
IGMP Version 3........................................................................................................................................................ 378
Congure IGMP..............................................................................................................................................................381
Related Conguration Tasks....................................................................................................................................381
Viewing IGMP Enabled Interfaces............................................................................................................................... 382
Selecting an IGMP Version........................................................................................................................................... 382
12
Contents
Viewing IGMP Groups...................................................................................................................................................383
Adjusting Timers............................................................................................................................................................ 383
Adjusting Query and Response Timers................................................................................................................. 383
Enabling IGMP Immediate-Leave.................................................................................................................................384
IGMP Snooping..............................................................................................................................................................385
IGMP Snooping Implementation Information.......................................................................................................385
Conguring IGMP Snooping...................................................................................................................................385
Removing a Group-Port Association.....................................................................................................................386
Disabling Multicast Flooding...................................................................................................................................386
Specifying a Port as Connected to a Multicast Router...................................................................................... 386
Conguring the Switch as Querier.........................................................................................................................387
Fast Convergence after MSTP Topology Changes................................................................................................... 387
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................ 387
Protocol Separation.................................................................................................................................................388
Enabling and Disabling Management Egress Interface Selection...................................................................... 389
Handling of Management Route Conguration................................................................................................... 390
Handling of Switch-Initiated Trac.......................................................................................................................390
Handling of Switch-Destined Trac...................................................................................................................... 391
Handling of Transit Trac (Trac Separation).................................................................................................... 392
Mapping of Management Applications and Trac Type.....................................................................................392
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 393
Behavior of Various Applications for Switch-Destined Trac ...........................................................................394
Interworking of EIS With Various Applications.....................................................................................................394
Designating a Multicast Router Interface...................................................................................................................395
20 Interfaces................................................................................................................................................ 396
Basic Interface Conguration.......................................................................................................................................396
Advanced Interface Conguration...............................................................................................................................396
Interface Types............................................................................................................................................................... 397
View Basic Interface Information................................................................................................................................. 397
View interface information with FEC type................................................................................................................. 399
Resetting an Interface to its Factory Default State................................................................................................... 401
Enabling a Physical Interface........................................................................................................................................ 401
Physical Interfaces.........................................................................................................................................................402
Conguration Task List for Physical Interfaces.................................................................................................... 402
Overview of Layer Modes...................................................................................................................................... 402
Conguring Layer 2 (Data Link) Mode..................................................................................................................403
Conguring Layer 2 (Interface) Mode.................................................................................................................. 403
Conguring Layer 3 (Network) Mode...................................................................................................................403
Conguring Layer 3 (Interface) Mode.................................................................................................................. 404
Automatic recovery of an Err-disabled interface.......................................................................................................405
Conguring an automatic recovery for an Err-disabled interface......................................................................405
Egress Interface Selection (EIS)..................................................................................................................................406
Important Points to Remember............................................................................................................................. 406
Conguring EIS........................................................................................................................................................ 406
Management Interfaces................................................................................................................................................407
Contents
13
Conguring Management Interfaces.....................................................................................................................407
Conguring a Management Interface on an Ethernet Port................................................................................407
VLAN Interfaces............................................................................................................................................................ 408
Loopback Interfaces......................................................................................................................................................409
Null Interfaces................................................................................................................................................................ 409
Port Channel Interfaces................................................................................................................................................409
Port Channel Denition and Standards................................................................................................................. 410
Port Channel Benets..............................................................................................................................................410
Port Channel Implementation................................................................................................................................. 410
Interfaces in Port Channels......................................................................................................................................411
Conguration Tasks for Port Channel Interfaces.................................................................................................. 411
Creating a Port Channel........................................................................................................................................... 411
Adding a Physical Interface to a Port Channel......................................................................................................412
Reassigning an Interface to a New Port Channel.................................................................................................413
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 414
Adding or Removing a Port Channel from a VLAN.............................................................................................. 414
Assigning an IP Address to a Port Channel........................................................................................................... 415
Deleting or Disabling a Port Channel......................................................................................................................416
Load Balancing Through Port Channels................................................................................................................ 416
Load-Balancing Method.......................................................................................................................................... 416
Changing the Hash Algorithm.................................................................................................................................417
Bulk Conguration.......................................................................................................................................................... 418
Interface Range........................................................................................................................................................ 418
Bulk Conguration Examples.................................................................................................................................. 418
Dening Interface Range Macros................................................................................................................................ 420
Dene the Interface Range.................................................................................................................................... 420
Choosing an Interface-Range Macro.................................................................................................................... 420
Monitoring and Maintaining Interfaces........................................................................................................................ 421
Maintenance Using TDR......................................................................................................................................... 422
Non Dell-Qualied Transceivers................................................................................................................................... 422
Splitting 100G Ports.......................................................................................................................................................423
Link Dampening..............................................................................................................................................................424
Important Points to Remember..............................................................................................................................424
Conguration Example of Link Dampening...........................................................................................................425
Enabling Link Dampening........................................................................................................................................ 427
Link Bundle Monitoring................................................................................................................................................. 428
Using Ethernet Pause Frames for Flow Control........................................................................................................ 429
Enabling Pause Frames........................................................................................................................................... 429
Congure the MTU Size on an Interface....................................................................................................................430
Conguring wavelength for 10–Gigabit SFP+ optics.................................................................................................431
Port-Pipes........................................................................................................................................................................431
CR4 Auto-Negotiation................................................................................................................................................... 431
Setting the Speed of Ethernet Interfaces.................................................................................................................. 432
Syslog Warning Upon Connecting SFP28 Optics with QSA.................................................................................... 433
FEC Conguration......................................................................................................................................................... 433
14
Contents
View Advanced Interface Information.........................................................................................................................435
Conguring the Interface Sampling Size.............................................................................................................. 435
Conguring the Trac Sampling Size Globally...........................................................................................................436
Dynamic Counters......................................................................................................................................................... 438
Clearing Interface Counters....................................................................................................................................438
Enhanced Validation of Interface Ranges...................................................................................................................439
Compressing Conguration Files................................................................................................................................. 439
OUI on 25G and 50G Interfaces.................................................................................................................................. 442
Conguring OUI on 25G and 50G Interfaces.......................................................................................................442
21 IPv4 Routing.............................................................................................................................................443
IP Addresses...................................................................................................................................................................444
Implementation Information....................................................................................................................................444
Conguration Tasks for IP Addresses..........................................................................................................................444
Assigning IP Addresses to an Interface.......................................................................................................................444
Conguring Static Routes............................................................................................................................................ 445
Congure Static Routes for the Management Interface.......................................................................................... 446
IPv4 Path MTU Discovery Overview...........................................................................................................................447
Packet handling during MTU mismatch................................................................................................................447
Using the Congured Source IP Address in ICMP Messages..................................................................................447
Conguring the ICMP Source Interface............................................................................................................... 448
Conguring the Duration to Establish a TCP Connection........................................................................................ 448
Enabling Directed Broadcast........................................................................................................................................ 448
Resolution of Host Names............................................................................................................................................449
Enabling Dynamic Resolution of Host Names............................................................................................................449
Specifying the Local System Domain and a List of Domains................................................................................... 450
Conguring DNS with Traceroute............................................................................................................................... 450
ARP.................................................................................................................................................................................. 451
Conguration Tasks for ARP.........................................................................................................................................451
Conguring Static ARP Entries.....................................................................................................................................451
Enabling Proxy ARP.......................................................................................................................................................452
Clearing ARP Cache......................................................................................................................................................452
ARP Learning via Gratuitous ARP................................................................................................................................452
Enabling ARP Learning via Gratuitous ARP................................................................................................................453
ARP Learning via ARP Request................................................................................................................................... 453
Conguring ARP Retries...............................................................................................................................................454
ICMP............................................................................................................................................................................... 454
Conguration Tasks for ICMP......................................................................................................................................454
Enabling ICMP Unreachable Messages...................................................................................................................... 454
ICMP Redirects..............................................................................................................................................................455
UDP Helper.....................................................................................................................................................................456
Congure UDP Helper............................................................................................................................................ 456
Important Points to Remember............................................................................................................................. 456
Enabling UDP Helper.....................................................................................................................................................456
Conguring a Broadcast Address................................................................................................................................ 456
Congurations Using UDP Helper................................................................................................................................457
Contents
15
UDP Helper with Broadcast-All Addresses.................................................................................................................457
UDP Helper with Subnet Broadcast Addresses.........................................................................................................458
UDP Helper with Congured Broadcast Addresses..................................................................................................458
UDP Helper with No Congured Broadcast Addresses............................................................................................459
Troubleshooting UDP Helper........................................................................................................................................459
22 IPv6 Routing............................................................................................................................................460
Protocol Overview.........................................................................................................................................................460
Extended Address Space.........................................................................................................................................461
Stateless Autoconguration....................................................................................................................................461
IPv6 Headers.............................................................................................................................................................461
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 462
IPv6 Header Fields...................................................................................................................................................463
Extension Header Fields......................................................................................................................................... 465
Addressing................................................................................................................................................................ 466
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 467
ICMPv6........................................................................................................................................................................... 467
Path MTU discovery......................................................................................................................................................467
IPv6 Neighbor Discovery..............................................................................................................................................468
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................469
Conguring the IPv6 Recursive DNS Server....................................................................................................... 469
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 470
Displaying IPv6 RDNSS Information......................................................................................................................470
Secure Shell (SSH) Over an IPv6 Transport...............................................................................................................471
Conguration Tasks for IPv6.........................................................................................................................................471
Adjusting Your CAM-Prole.....................................................................................................................................471
Assigning an IPv6 Address to an Interface........................................................................................................... 472
Assigning a Static IPv6 Route................................................................................................................................ 473
Conguring Telnet with IPv6.................................................................................................................................. 473
SNMP over IPv6...................................................................................................................................................... 474
Displaying IPv6 Information.....................................................................................................................................474
Displaying an IPv6 Interface Information...............................................................................................................474
Showing IPv6 Routes.............................................................................................................................................. 475
Showing the Running-Conguration for an Interface......................................................................................... 476
Clearing IPv6 Routes............................................................................................................................................... 477
Conguring IPv6 RA Guard...........................................................................................................................................477
23 iSCSI Optimization...................................................................................................................................480
iSCSI Optimization Overview.......................................................................................................................................480
Monitoring iSCSI Trac Flows...............................................................................................................................482
Application of Quality of Service to iSCSI Trac Flows......................................................................................482
Information Monitored in iSCSI Trac Flows.......................................................................................................482
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 483
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................483
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................484
Enable and Disable iSCSI Optimization................................................................................................................. 484
16
Contents
Default iSCSI Optimization Values...............................................................................................................................485
iSCSI Optimization Prerequisites................................................................................................................................. 485
Conguring iSCSI Optimization................................................................................................................................... 485
Displaying iSCSI Optimization Information..................................................................................................................487
24 Intermediate System to Intermediate System.......................................................................................... 489
IS-IS Protocol Overview............................................................................................................................................... 489
IS-IS Addressing.............................................................................................................................................................489
Multi-Topology IS-IS...................................................................................................................................................... 490
Transition Mode....................................................................................................................................................... 490
Interface Support..................................................................................................................................................... 491
Adjacencies............................................................................................................................................................... 491
Graceful Restart............................................................................................................................................................. 491
Timers........................................................................................................................................................................ 491
Implementation Information.......................................................................................................................................... 491
Conguration Information.............................................................................................................................................492
Conguration Tasks for IS-IS..................................................................................................................................493
Conguring the Distance of a Route.....................................................................................................................500
Changing the IS-Type...............................................................................................................................................501
Redistributing IPv4 Routes.....................................................................................................................................503
Redistributing IPv6 Routes.....................................................................................................................................504
Conguring Authentication Passwords.................................................................................................................505
Setting the Overload Bit.........................................................................................................................................505
Debugging IS-IS.......................................................................................................................................................506
IS-IS Metric Styles.........................................................................................................................................................507
Congure Metric Values................................................................................................................................................507
Maximum Values in the Routing Table.................................................................................................................. 508
Change the IS-IS Metric Style in One Level Only................................................................................................508
Leaks from One Level to Another..........................................................................................................................509
Sample Congurations...................................................................................................................................................510
25 In-Service Software Upgrade................................................................................................................... 513
ISSU Introduction........................................................................................................................................................... 513
Warmboot Limitations..............................................................................................................................................513
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 513
L2 ISSU............................................................................................................................................................................514
L3 ISSU............................................................................................................................................................................514
CoPP................................................................................................................................................................................515
Mirroring ow control packets......................................................................................................................................515
PFC.................................................................................................................................................................................. 515
QoS.................................................................................................................................................................................. 515
Tunnel Conguration...................................................................................................................................................... 515
26 Link Aggregation Control Protocol (LACP)............................................................................................... 517
Introduction to Dynamic LAGs and LACP................................................................................................................... 517
Important Points to Remember.............................................................................................................................. 517
Contents
17
LACP Modes.............................................................................................................................................................518
Conguring LACP Commands................................................................................................................................518
LACP Conguration Tasks.............................................................................................................................................519
Creating a LAG......................................................................................................................................................... 519
Conguring the LAG Interfaces as Dynamic.........................................................................................................519
Setting the LACP Long Timeout........................................................................................................................... 520
Monitoring and Debugging LACP..........................................................................................................................520
Shared LAG State Tracking........................................................................................................................................... 521
Conguring Shared LAG State Tracking................................................................................................................521
Important Points about Shared LAG State Tracking........................................................................................... 523
LACP Basic Conguration Example.............................................................................................................................523
Congure a LAG on ALPHA................................................................................................................................... 523
27 Layer 2.....................................................................................................................................................532
Manage the MAC Address Table................................................................................................................................. 532
Clearing the MAC Address Table........................................................................................................................... 532
Setting the Aging Time for Dynamic Entries........................................................................................................532
Conguring a Static MAC Address........................................................................................................................533
Displaying the MAC Address Table........................................................................................................................ 533
MAC Learning Limit.......................................................................................................................................................533
Setting the MAC Learning Limit............................................................................................................................ 534
mac learning-limit Dynamic.....................................................................................................................................534
mac learning-limit mac-address-sticky................................................................................................................. 534
mac learning-limit station-move............................................................................................................................ 535
mac learning-limit no-station-move...................................................................................................................... 535
Learning Limit Violation Actions.............................................................................................................................535
Setting Station Move Violation Actions................................................................................................................ 536
Recovering from Learning Limit and Station Move Violations........................................................................... 536
Disabling MAC Address Learning on the System.......................................................................................................537
Enabling port security....................................................................................................................................................537
NIC Teaming................................................................................................................................................................... 537
Congure Redundant Pairs...........................................................................................................................................538
Important Points about Conguring Redundant Pairs........................................................................................540
Far-End Failure Detection..............................................................................................................................................541
FEFD State Changes...............................................................................................................................................542
Conguring FEFD.................................................................................................................................................... 543
Enabling FEFD on an Interface...............................................................................................................................543
Debugging FEFD......................................................................................................................................................544
28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 546
802.1AB (LLDP) Overview............................................................................................................................................546
Protocol Data Units................................................................................................................................................. 546
Optional TLVs................................................................................................................................................................. 547
Management TLVs...................................................................................................................................................547
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 549
TIA Organizationally Specic TLVs........................................................................................................................ 549
18
Contents
Congure LLDP............................................................................................................................................................. 552
Related Conguration Tasks...................................................................................................................................552
Important Points to Remember............................................................................................................................. 553
LLDP Compatibility..................................................................................................................................................553
CONFIGURATION versus INTERFACE Congurations............................................................................................ 553
Enabling LLDP................................................................................................................................................................554
Disabling and Undoing LLDP..................................................................................................................................554
Enabling LLDP on Management Ports........................................................................................................................554
Disabling and Undoing LLDP on Management Ports..........................................................................................554
Advertising TLVs............................................................................................................................................................555
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................556
Reserved Unrecognized LLDP TLVs..................................................................................................................... 556
Organizational Specic Unrecognized LLDP TLVs..............................................................................................556
Viewing Unrecognized LLDP TLVs........................................................................................................................ 557
Viewing the LLDP Conguration..................................................................................................................................557
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................557
Examples of Viewing Information Advertised by Neighbors.............................................................................. 558
Conguring LLDPDU Intervals.....................................................................................................................................559
Conguring LLDP Notication Interval.......................................................................................................................560
Conguring Transmit and Receive Mode................................................................................................................... 560
Conguring the Time to Live Value..............................................................................................................................561
Debugging LLDP............................................................................................................................................................562
Relevant Management Objects................................................................................................................................... 563
29 Microsoft Network Load Balancing.......................................................................................................... 567
NLB Unicast Mode Scenario........................................................................................................................................ 567
NLB Multicast Mode Scenario..................................................................................................................................... 567
Limitations of the NLB Feature....................................................................................................................................568
Microsoft Clustering......................................................................................................................................................568
Enable and Disable VLAN Flooding ............................................................................................................................ 568
Conguring a Switch for NLB .....................................................................................................................................568
Enabling a Switch for Multicast NLB.................................................................................................................... 569
30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 570
Protocol Overview......................................................................................................................................................... 570
Anycast RP......................................................................................................................................................................571
Implementation Information..........................................................................................................................................572
Congure Multicast Source Discovery Protocol........................................................................................................ 572
Related Conguration Tasks................................................................................................................................... 572
Enable MSDP................................................................................................................................................................. 576
Manage the Source-Active Cache...............................................................................................................................577
Viewing the Source-Active Cache......................................................................................................................... 577
Limiting the Source-Active Cache......................................................................................................................... 577
Clearing the Source-Active Cache........................................................................................................................ 578
Enabling the Rejected Source-Active Cache....................................................................................................... 578
Accept Source-Active Messages that Fail the RFP Check......................................................................................578
Contents
19
Specifying Source-Active Messages........................................................................................................................... 581
Limiting the Source-Active Messages from a Peer...................................................................................................582
Preventing MSDP from Caching a Local Source.......................................................................................................582
Preventing MSDP from Caching a Remote Source.................................................................................................. 583
Preventing MSDP from Advertising a Local Source..................................................................................................583
Logging Changes in Peership States...........................................................................................................................584
Terminating a Peership..................................................................................................................................................584
Clearing Peer Statistics.................................................................................................................................................585
Debugging MSDP..........................................................................................................................................................585
MSDP with Anycast RP................................................................................................................................................586
Conguring Anycast RP................................................................................................................................................587
Reducing Source-Active Message Flooding.........................................................................................................588
Specifying the RP Address Used in SA Messages.............................................................................................. 588
MSDP Sample Congurations..................................................................................................................................... 590
31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 593
Protocol Overview.........................................................................................................................................................593
Spanning Tree Variations.............................................................................................................................................. 594
Implementation Information....................................................................................................................................594
Congure Multiple Spanning Tree Protocol................................................................................................................594
Related Conguration Tasks...................................................................................................................................595
Enable Multiple Spanning Tree Globally...................................................................................................................... 595
Adding and Removing Interfaces.................................................................................................................................595
Creating Multiple Spanning Tree Instances................................................................................................................596
Inuencing MSTP Root Selection................................................................................................................................597
Interoperate with Non-Dell Bridges.............................................................................................................................598
Changing the Region Name or Revision..................................................................................................................... 598
Modifying Global Parameters....................................................................................................................................... 598
Modifying the Interface Parameters........................................................................................................................... 600
Setting STP path cost as constant..............................................................................................................................601
Conguring an EdgePort...............................................................................................................................................601
Flush MAC Addresses after a Topology Change....................................................................................................... 602
MSTP Sample Congurations......................................................................................................................................602
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................602
Debugging and Verifying MSTP Congurations........................................................................................................ 606
32 Multicast Features...................................................................................................................................609
Enabling IP Multicast.....................................................................................................................................................609
Implementation Information......................................................................................................................................... 609
Multicast Policies............................................................................................................................................................610
IPv4 Multicast Policies.............................................................................................................................................610
Understanding Multicast Traceroute (mtrace)........................................................................................................... 617
Important Points to Remember.............................................................................................................................. 618
Printing Multicast Traceroute (mtrace) Paths............................................................................................................ 618
Supported Error Codes..................................................................................................................................................619
20
Contents
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