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PowerSwitch S6000

Dell PowerSwitch S6000 Owner's manual

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Dell Conguration Guide for the S6000 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
Default Conguration....................................................................................................................................................... 51
Conguring a Host Name................................................................................................................................................ 51
Accessing the System Remotely.................................................................................................................................... 51
Accessing the System Remotely.............................................................................................................................. 51
Congure the Management Port IP Address......................................................................................................... 52
Congure a Management Route..............................................................................................................................52
Conguring a Username and Password..................................................................................................................52
Conguring the Enable Password..................................................................................................................................53
Conguration File Management.....................................................................................................................................54
Copy Files to and from the System......................................................................................................................... 54
Mounting an NFS File System..................................................................................................................................55
Save the Running-Conguration..............................................................................................................................56
Congure the Overload Bit for a Startup Scenario................................................................................................57
Viewing Files............................................................................................................................................................... 57
Managing the File System.............................................................................................................................................. 58
View Command History.................................................................................................................................................. 58
Upgrading Dell EMC Networking OS............................................................................................................................ 59
Using HTTP for File Transfers........................................................................................................................................ 59
Verify Software Images Before Installation...................................................................................................................59
Contents
3
4 Management................................................................................................................................................ 61
Conguring Privilege Levels............................................................................................................................................ 61
Creating a Custom Privilege Level...........................................................................................................................62
Removing a Command from EXEC Mode.............................................................................................................. 62
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................62
Allowing Access to CONFIGURATION Mode Commands....................................................................................62
Allowing Access to Dierent Modes........................................................................................................................62
Applying a Privilege Level to a Username............................................................................................................... 64
Applying a Privilege Level to a Terminal Line.......................................................................................................... 64
Conguring Logging........................................................................................................................................................ 64
Audit and Security Logs............................................................................................................................................65
Conguring Logging Format ...................................................................................................................................67
Setting Up a Secure Connection to a Syslog Server.............................................................................................67
Log Messages in the Internal Buer..............................................................................................................................68
Conguration Task List for System Log Management.......................................................................................... 68
Disabling System Logging............................................................................................................................................... 68
Sending System Messages to a Syslog Server............................................................................................................69
Conguring a UNIX System as a Syslog Server.....................................................................................................69
Track Login Activity......................................................................................................................................................... 69
Restrictions for Tracking Login Activity.................................................................................................................. 69
Conguring Login Activity Tracking.........................................................................................................................69
Display Login Statistics..............................................................................................................................................70
Limit Concurrent Login Sessions.....................................................................................................................................71
Restrictions for Limiting the Number of Concurrent Sessions............................................................................. 71
Conguring Concurrent Session Limit.....................................................................................................................72
Enabling the System to Clear Existing Sessions.................................................................................................... 72
Enabling Secured CLI Mode............................................................................................................................................73
Changing System Logging Settings...............................................................................................................................73
Display the Logging Buer and the Logging Conguration........................................................................................ 74
Conguring a UNIX Logging Facility Level.................................................................................................................... 74
Synchronizing Log Messages......................................................................................................................................... 76
Enabling Timestamp on Syslog Messages.................................................................................................................... 76
File Transfer Services.......................................................................................................................................................77
Conguration Task List for File Transfer Services.................................................................................................. 77
Enabling the FTP Server........................................................................................................................................... 77
Conguring FTP Server Parameters........................................................................................................................77
Conguring FTP Client Parameters......................................................................................................................... 78
Terminal Lines................................................................................................................................................................... 78
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...........................................................................................................81
Lock CONFIGURATION Mode....................................................................................................................................... 82
Viewing the Conguration Lock Status...................................................................................................................82
Recovering from a Forgotten Password on the S6000.............................................................................................. 82
4
Contents
Recovering from a Forgotten Enable Password...........................................................................................................83
Recovering from a Failed Start on the S6000............................................................................................................. 83
Restoring the Factory Default Settings.........................................................................................................................84
Important Points to Remember................................................................................................................................84
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 MAC addresses for a do1x Prole.............................................................................................................93
Conguring the Static MAB and MAB Prole .............................................................................................................93
Conguring Critical VLAN ..............................................................................................................................................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
7 Access Control Lists (ACLs)....................................................................................................................... 108
IP Access Control Lists (ACLs).....................................................................................................................................109
CAM Usage................................................................................................................................................................110
Implementing ACLs on Dell EMC Networking OS................................................................................................ 110
Important Points to Remember.....................................................................................................................................112
Conguration Task List for Route Maps.................................................................................................................112
Conguring Match Routes.......................................................................................................................................114
Conguring Set Conditions......................................................................................................................................116
Contents
5
Congure a Route Map for Route Redistribution..................................................................................................117
Congure a Route Map for Route Tagging............................................................................................................ 117
Continue Clause........................................................................................................................................................ 118
IP Fragment Handling..................................................................................................................................................... 118
IP Fragments ACL Examples................................................................................................................................... 118
Layer 4 ACL Rules Examples................................................................................................................................... 119
Congure a Standard IP ACL.........................................................................................................................................119
Conguring a Standard IP ACL Filter..................................................................................................................... 120
Congure an Extended IP ACL......................................................................................................................................121
Conguring Filters with a Sequence Number........................................................................................................121
Conguring Filters Without a Sequence Number.................................................................................................124
Congure Layer 2 and Layer 3 ACLs............................................................................................................................125
Assign an IP ACL to an Interface..................................................................................................................................125
Applying an IP ACL.........................................................................................................................................................126
Counting ACL Hits....................................................................................................................................................126
Congure Ingress ACLs..................................................................................................................................................127
Congure Egress ACLs.................................................................................................................................................. 127
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 128
IP Prex Lists.................................................................................................................................................................. 129
Implementation Information.................................................................................................................................... 129
Conguration Task List for Prex Lists.................................................................................................................. 129
ACL Remarks.................................................................................................................................................................. 133
Conguring a Remark.............................................................................................................................................. 133
Deleting a Remark.................................................................................................................................................... 134
ACL Resequencing......................................................................................................................................................... 134
Resequencing an ACL or Prex List.......................................................................................................................135
Route Maps.....................................................................................................................................................................136
Implementation Information.................................................................................................................................... 136
Conguring UDF ACL.................................................................................................................................................... 136
Conguring IP Mirror Access Group............................................................................................................................ 139
Sample Conguration...............................................................................................................................................139
Example of viewing IP mirror–access–group applied to an Interface................................................................140
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
Congure BFD for OSPF.........................................................................................................................................155
Congure BFD for OSPFv3.....................................................................................................................................159
6
Contents
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
Setting the extended timer.....................................................................................................................................233
Enabling or disabling BGP neighbors.....................................................................................................................234
Contents
7
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 Proles.........................................................................................................................................................249
View CAM-ACL Settings.............................................................................................................................................. 250
View CAM Usage............................................................................................................................................................251
Conguring CAM Threshold and Silence Period........................................................................................................252
Setting CAM Threshold and Silence Period......................................................................................................... 252
CAM Optimization......................................................................................................................................................... 253
Troubleshoot CAM Proling..........................................................................................................................................253
QoS CAM Region Limitation...................................................................................................................................253
Syslog Error When the Table is Full....................................................................................................................... 254
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................254
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................254
Unied Forwarding Table (UFT) Modes......................................................................................................................254
Conguring UFT Modes......................................................................................................................................... 254
11 Control Plane Policing (CoPP).................................................................................................................. 256
Congure Control Plane Policing..................................................................................................................................257
Conguring CoPP for Protocols............................................................................................................................ 258
Conguring CoPP for CPU Queues...................................................................................................................... 260
Protocol to CPU Queue Mapping...........................................................................................................................261
Conguring Protocol to CPU Queue Mapping......................................................................................................261
Displaying CoPP Conguration ............................................................................................................................. 262
12 Data Center Bridging (DCB)..................................................................................................................... 264
Ethernet Enhancements in Data Center Bridging..................................................................................................... 264
Priority-Based Flow Control................................................................................................................................... 265
Enhanced Transmission Selection..........................................................................................................................266
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................267
Data Center Bridging in a Trac Flow.................................................................................................................. 268
Enabling Data Center Bridging.....................................................................................................................................268
DCB Maps and its Attributes..................................................................................................................................269
8
Contents
Data Center Bridging: Default Conguration..............................................................................................................270
Conguring Priority-Based Flow Control.................................................................................................................... 270
Conguring Lossless Queues........................................................................................................................................ 271
Conguring PFC in a DCB Map....................................................................................................................................273
PFC Conguration Notes........................................................................................................................................273
PFC Prerequisites and Restrictions....................................................................................................................... 274
Conguring PFC without a DCB Map......................................................................................................................... 274
Conguring Lossless QueuesExample:.................................................................................................................. 274
Priority-Based Flow Control Using Dynamic Buer Method..............................................................................276
Behavior of Tagged Packets......................................................................................................................................... 277
Conguration Example for DSCP and PFC Priorities................................................................................................ 277
SNMP Support for PFC and Buer Statistics Tracking............................................................................................278
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................279
PFC and ETS Conguration Examples........................................................................................................................280
Using PFC to Manage Converged Ethernet Trac.................................................................................................. 280
Operations on Untagged Packets................................................................................................................................280
Generation of PFC for a Priority for Untagged Packets............................................................................................281
Congure Enhanced Transmission Selection.............................................................................................................. 281
ETS Prerequisites and Restrictions........................................................................................................................ 281
Creating an ETS Priority Group.............................................................................................................................. 281
ETS Operation with DCBx...................................................................................................................................... 282
Conguring Bandwidth Allocation for DCBx CIN.................................................................................................283
Conguring ETS in a DCB Map..............................................................................................................................284
Hierarchical Scheduling in ETS Output Policies.........................................................................................................285
Using ETS to Manage Converged Ethernet Trac...................................................................................................285
Applying DCB Policies in a Switch Stack.................................................................................................................... 286
Congure a DCBx Operation........................................................................................................................................286
DCBx Operation.......................................................................................................................................................286
DCBx Port Roles...................................................................................................................................................... 286
DCB Conguration Exchange................................................................................................................................ 288
Conguration Source Election................................................................................................................................288
Propagation of DCB Information............................................................................................................................289
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 289
DCBx Example......................................................................................................................................................... 289
DCBx Prerequisites and Restrictions.....................................................................................................................290
Conguring DCBx....................................................................................................................................................290
Verifying the DCB Conguration................................................................................................................................. 294
QoS dot1p Trac Classication and Queue Assignment..........................................................................................302
Conguring the Dynamic Buer Method................................................................................................................... 303
Sample DCB Conguration...........................................................................................................................................304
PFC and ETS Conguration Command Examples.............................................................................................. 306
13 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 307
DHCP Packet Format and Options..............................................................................................................................307
Assign an IP Address using DHCP...............................................................................................................................309
Implementation Information.......................................................................................................................................... 310
Contents
9
Congure the System to be a DHCP Server.............................................................................................................. 310
Conguring the Server for Automatic Address Allocation................................................................................... 311
Specifying a Default Gateway.................................................................................................................................312
Congure a Method of Hostname Resolution...................................................................................................... 313
Using DNS for Address Resolution.........................................................................................................................313
Using NetBIOS WINS for Address Resolution...................................................................................................... 313
Creating Manual Binding Entries.............................................................................................................................313
Debugging the DHCP Server..................................................................................................................................314
Using DHCP Clear Commands............................................................................................................................... 314
Congure the System to be a DHCP Client................................................................................................................314
Conguring the DHCP Client System....................................................................................................................315
DHCP Client on a Management Interface.............................................................................................................316
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....................................................................................................................319
Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................319
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................320
Congure the System for User Port Stacking (Option 230).................................................................................... 321
Congure Secure DHCP................................................................................................................................................321
Option 82..................................................................................................................................................................322
DHCPv6 relay agent options.................................................................................................................................. 322
DHCP Snooping....................................................................................................................................................... 323
Conguring the DHCP secondary-subnet............................................................................................................ 327
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
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
10
Contents
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes .........................................................................337
RTAG7............................................................................................................................................................................. 337
Flow-based Hashing for ECMP................................................................................................................................... 338
15 FIP Snooping............................................................................................................................................ 341
Fibre Channel over Ethernet.........................................................................................................................................341
Ensure Robustness in a Converged Ethernet Network.............................................................................................341
FIP Snooping on Ethernet Bridges.............................................................................................................................. 343
FIP Snooping in a Switch Stack...................................................................................................................................345
Using FIP Snooping....................................................................................................................................................... 345
FIP Snooping Prerequisites.....................................................................................................................................345
Important Points to Remember............................................................................................................................. 345
Enabling the FCoE Transit Feature........................................................................................................................346
Enable FIP Snooping on VLANs.............................................................................................................................347
Congure the FC-MAP Value.................................................................................................................................347
Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 347
Congure a Port for a Bridge-to-FCF Link...........................................................................................................347
Impact on Other Software Features......................................................................................................................347
FIP Snooping Restrictions...................................................................................................................................... 348
Conguring FIP Snooping.......................................................................................................................................348
Displaying FIP Snooping Information...........................................................................................................................349
FCoE Transit Conguration Example...........................................................................................................................354
16 Flex Hash and Optimized Boot-Up............................................................................................................356
Flex Hash Capability Overview.................................................................................................................................... 356
Conguring the Flex Hash Mechanism.......................................................................................................................356
Conguring Fast Boot and LACP Fast Switchover................................................................................................... 357
Optimizing the Boot Time.............................................................................................................................................357
Booting Process When Optimized Boot Time Mechanism is Enabled.............................................................. 357
Guidelines for Conguring Optimized Booting Mechanism................................................................................358
Interoperation of Applications with Fast Boot and System States..........................................................................359
LACP and IPv4 Routing.......................................................................................................................................... 359
LACP and IPv6 Routing..........................................................................................................................................359
BGP Graceful Restart............................................................................................................................................. 360
Cold Boot Caused by Power Cycling the System............................................................................................... 360
Unexpected Reload of the System........................................................................................................................360
Software Upgrade................................................................................................................................................... 360
LACP Fast Switchover............................................................................................................................................360
Changes to BGP Multipath..................................................................................................................................... 361
Delayed Installation of ECMP Routes Into BGP................................................................................................... 361
RDMA Over Converged Ethernet (RoCE) Overview................................................................................................ 361
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 362
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 363
Protocol Overview.........................................................................................................................................................363
Ring Status............................................................................................................................................................... 364
Contents
11
Multiple FRRP Rings............................................................................................................................................... 364
Important FRRP Points...........................................................................................................................................365
Important FRRP Concepts.....................................................................................................................................366
Implementing FRRP.......................................................................................................................................................367
FRRP Conguration.......................................................................................................................................................367
Creating the FRRP Group.......................................................................................................................................367
Conguring the Control VLAN............................................................................................................................... 367
Conguring and Adding the Member VLANs...................................................................................................... 369
Setting the FRRP Timers........................................................................................................................................370
Clearing the FRRP Counters.................................................................................................................................. 370
Viewing the FRRP Conguration........................................................................................................................... 370
Viewing the FRRP Information...............................................................................................................................370
Troubleshooting FRRP................................................................................................................................................... 371
Conguration Checks...............................................................................................................................................371
Sample Conguration and Topology.............................................................................................................................371
FRRP Support on VLT...................................................................................................................................................372
Example Scenario.....................................................................................................................................................373
Important Points to Remember..............................................................................................................................374
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................375
Important Points to Remember....................................................................................................................................375
Congure GVRP.............................................................................................................................................................376
Related Conguration Tasks................................................................................................................................... 376
Enabling GVRP Globally.................................................................................................................................................377
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 377
Congure GVRP Registration.......................................................................................................................................377
Congure a GARP Timer...............................................................................................................................................378
19 Internet Group Management Protocol (IGMP)..........................................................................................379
IGMP Implementation Information...............................................................................................................................379
IGMP Protocol Overview.............................................................................................................................................. 379
IGMP Version 2........................................................................................................................................................ 379
IGMP Version 3.........................................................................................................................................................381
Congure IGMP............................................................................................................................................................. 384
Related Conguration Tasks...................................................................................................................................384
Viewing IGMP Enabled Interfaces...............................................................................................................................385
Selecting an IGMP Version...........................................................................................................................................385
Viewing IGMP Groups...................................................................................................................................................386
Viewing IGMP Snooping Groups................................................................................................................................. 386
Adjusting Timers............................................................................................................................................................ 386
Adjusting Query and Response Timers................................................................................................................. 386
Enabling IGMP Immediate-Leave.................................................................................................................................387
IGMP Snooping..............................................................................................................................................................388
IGMP Snooping Implementation Information....................................................................................................... 388
Conguring IGMP Snooping...................................................................................................................................388
Removing a Group-Port Association.....................................................................................................................389
12
Contents
Disabling Multicast Flooding...................................................................................................................................389
Specifying a Port as Connected to a Multicast Router...................................................................................... 389
Conguring the Switch as Querier........................................................................................................................ 390
Fast Convergence after MSTP Topology Changes...................................................................................................390
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................390
Protocol Separation..................................................................................................................................................391
Enabling and Disabling Management Egress Interface Selection...................................................................... 392
Handling of Management Route Conguration................................................................................................... 393
Handling of Switch-Initiated Trac....................................................................................................................... 393
Handling of Switch-Destined Trac......................................................................................................................394
Handling of Transit Trac (Trac Separation).................................................................................................... 395
Mapping of Management Applications and Trac Type.....................................................................................395
Behavior of Various Applications for Switch-Initiated Trac ............................................................................396
Behavior of Various Applications for Switch-Destined Trac ...........................................................................397
Interworking of EIS With Various Applications..................................................................................................... 397
Designating a Multicast Router Interface...................................................................................................................398
20 Interfaces................................................................................................................................................ 399
Basic Interface Conguration.......................................................................................................................................399
Advanced Interface Conguration...............................................................................................................................399
Interface Types...............................................................................................................................................................400
View Basic Interface Information.................................................................................................................................400
Resetting an Interface to its Factory Default State...................................................................................................402
Enabling a Physical Interface........................................................................................................................................403
Physical Interfaces.........................................................................................................................................................403
Conguration Task List for Physical Interfaces....................................................................................................403
40G to 1G Breakout Cable Adaptor....................................................................................................................... 403
Overview of Layer Modes...................................................................................................................................... 404
Conguring Layer 2 (Data Link) Mode................................................................................................................. 405
Conguring Layer 2 (Interface) Mode.................................................................................................................. 405
Conguring Layer 3 (Network) Mode...................................................................................................................405
Conguring Layer 3 (Interface) Mode.................................................................................................................. 406
Automatic recovery of an Err-disabled interface....................................................................................................... 407
Conguring an automatic recovery for an Err-disabled interface......................................................................407
Egress Interface Selection (EIS)..................................................................................................................................408
Important Points to Remember............................................................................................................................. 408
Conguring EIS........................................................................................................................................................ 408
Management Interfaces................................................................................................................................................409
Conguring Management Interfaces.................................................................................................................... 409
Conguring a Management Interface on an Ethernet Port................................................................................ 410
VLAN Interfaces.............................................................................................................................................................. 411
Loopback Interfaces.......................................................................................................................................................412
Null Interfaces................................................................................................................................................................. 412
Port Channel Interfaces.................................................................................................................................................412
Port Channel Denition and Standards..................................................................................................................413
Port Channel Benets..............................................................................................................................................413
Contents
13
Port Channel Implementation................................................................................................................................. 413
Interfaces in Port Channels.....................................................................................................................................414
Conguration Tasks for Port Channel Interfaces..................................................................................................414
Creating a Port Channel.......................................................................................................................................... 414
Adding a Physical Interface to a Port Channel..................................................................................................... 415
Reassigning an Interface to a New Port Channel.................................................................................................416
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 417
Adding or Removing a Port Channel from a VLAN.............................................................................................. 417
Assigning an IP Address to a Port Channel...........................................................................................................418
Deleting or Disabling a Port Channel......................................................................................................................419
Load Balancing Through Port Channels................................................................................................................ 419
Changing the Hash Algorithm.................................................................................................................................419
Bulk Conguration......................................................................................................................................................... 420
Interface Range........................................................................................................................................................420
Bulk Conguration Examples.................................................................................................................................. 421
Dening Interface Range Macros................................................................................................................................ 422
Dene the Interface Range.................................................................................................................................... 422
Choosing an Interface-Range Macro.................................................................................................................... 422
Monitoring and Maintaining Interfaces........................................................................................................................423
Maintenance Using TDR......................................................................................................................................... 424
Non Dell-Qualied Transceivers................................................................................................................................... 424
Splitting 40G Ports without Reload.............................................................................................................................425
Splitting QSFP Ports to SFP+ Ports............................................................................................................................427
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.................................................................................. 427
Important Points to Remember..............................................................................................................................428
Example Scenarios...................................................................................................................................................428
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................432
Link Dampening..............................................................................................................................................................432
Important Points to Remember..............................................................................................................................433
Conguration Example of Link Dampening...........................................................................................................433
Enabling Link Dampening........................................................................................................................................435
Link Bundle Monitoring................................................................................................................................................. 436
Using Ethernet Pause Frames for Flow Control.........................................................................................................437
Enabling Pause Frames........................................................................................................................................... 437
Congure the MTU Size on an Interface....................................................................................................................438
Port-Pipes.......................................................................................................................................................................439
Auto-Negotiation on Ethernet Interfaces...................................................................................................................439
Setting the Speed of Ethernet Interfaces............................................................................................................ 439
Set Auto-Negotiation Options............................................................................................................................... 440
View Advanced Interface Information..........................................................................................................................441
Conguring the Interface Sampling Size.............................................................................................................. 442
Conguring the Trac Sampling Size Globally...........................................................................................................443
Dynamic Counters......................................................................................................................................................... 444
Clearing Interface Counters....................................................................................................................................444
Compressing Conguration Files................................................................................................................................. 445
14
Contents
21 IPv4 Routing.............................................................................................................................................448
IP Addresses...................................................................................................................................................................449
Implementation Information....................................................................................................................................449
Conguration Tasks for IP Addresses..........................................................................................................................449
Assigning IP Addresses to an Interface.......................................................................................................................449
Conguring Static Routes............................................................................................................................................ 450
Congure Static Routes for the Management Interface...........................................................................................451
Using the Congured Source IP Address in ICMP Messages..................................................................................452
Conguring the ICMP Source Interface............................................................................................................... 452
Conguring the Duration to Establish a TCP Connection........................................................................................ 452
Enabling Directed Broadcast........................................................................................................................................ 453
Resolution of Host Names............................................................................................................................................453
Enabling Dynamic Resolution of Host Names............................................................................................................453
Specifying the Local System Domain and a List of Domains................................................................................... 454
Conguring DNS with Traceroute................................................................................................................................454
ARP................................................................................................................................................................................. 455
Conguration Tasks for ARP........................................................................................................................................ 455
Conguring Static ARP Entries....................................................................................................................................455
Enabling Proxy ARP.......................................................................................................................................................456
Clearing ARP Cache......................................................................................................................................................456
ARP Learning via Gratuitous ARP............................................................................................................................... 456
Enabling ARP Learning via Gratuitous ARP................................................................................................................457
ARP Learning via ARP Request................................................................................................................................... 457
Conguring ARP Retries...............................................................................................................................................458
ICMP............................................................................................................................................................................... 458
Conguration Tasks for ICMP......................................................................................................................................458
Enabling ICMP Unreachable Messages...................................................................................................................... 458
ICMP Redirects..............................................................................................................................................................459
UDP Helper.....................................................................................................................................................................460
Congure UDP Helper............................................................................................................................................ 460
Important Points to Remember............................................................................................................................. 460
Enabling UDP Helper.....................................................................................................................................................460
Conguring a Broadcast Address................................................................................................................................ 460
Congurations Using UDP Helper................................................................................................................................ 461
UDP Helper with Broadcast-All Addresses................................................................................................................. 461
UDP Helper with Subnet Broadcast Addresses.........................................................................................................462
UDP Helper with Congured Broadcast Addresses..................................................................................................462
UDP Helper with No Congured Broadcast Addresses............................................................................................463
Troubleshooting UDP Helper........................................................................................................................................463
22 IPv6 Routing............................................................................................................................................464
Protocol Overview.........................................................................................................................................................464
Extended Address Space........................................................................................................................................465
Stateless Autoconguration................................................................................................................................... 465
IPv6 Headers............................................................................................................................................................465
Contents
15
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 466
IPv6 Header Fields...................................................................................................................................................467
Extension Header Fields......................................................................................................................................... 469
Addressing................................................................................................................................................................ 470
Implementing IPv6 with Dell EMC Networking OS....................................................................................................471
ICMPv6........................................................................................................................................................................... 472
Path MTU discovery......................................................................................................................................................473
IPv6 Neighbor Discovery.............................................................................................................................................. 473
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................474
Conguring the IPv6 Recursive DNS Server........................................................................................................474
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 475
Displaying IPv6 RDNSS Information......................................................................................................................475
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 476
Conguration Tasks for IPv6........................................................................................................................................ 476
Adjusting Your CAM-Prole....................................................................................................................................476
Assigning an IPv6 Address to an Interface........................................................................................................... 477
Assigning a Static IPv6 Route................................................................................................................................ 478
Conguring Telnet with IPv6.................................................................................................................................. 478
SNMP over IPv6......................................................................................................................................................479
Displaying IPv6 Information.................................................................................................................................... 479
Displaying an IPv6 Interface Information.............................................................................................................. 479
Showing IPv6 Routes..............................................................................................................................................480
Showing the Running-Conguration for an Interface..........................................................................................481
Clearing IPv6 Routes...............................................................................................................................................482
Disabling ND Entry Timeout................................................................................................................................... 482
Conguring IPv6 RA Guard.......................................................................................................................................... 483
Conguring IPv6 RA Guard on an Interface.........................................................................................................484
Monitoring IPv6 RA Guard..................................................................................................................................... 485
23 iSCSI Optimization...................................................................................................................................486
iSCSI Optimization Overview.......................................................................................................................................486
Monitoring iSCSI Trac Flows...............................................................................................................................488
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 488
Information Monitored in iSCSI Trac Flows.......................................................................................................488
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 489
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................489
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................490
Enable and Disable iSCSI Optimization.................................................................................................................490
Default iSCSI Optimization Values................................................................................................................................491
iSCSI Optimization Prerequisites.................................................................................................................................. 491
Conguring iSCSI Optimization.................................................................................................................................... 491
Displaying iSCSI Optimization Information..................................................................................................................493
24 Intermediate System to Intermediate System.......................................................................................... 495
IS-IS Protocol Overview............................................................................................................................................... 495
IS-IS Addressing.............................................................................................................................................................495
16
Contents
Multi-Topology IS-IS...................................................................................................................................................... 496
Transition Mode....................................................................................................................................................... 496
Interface Support.....................................................................................................................................................497
Adjacencies...............................................................................................................................................................497
Graceful Restart.............................................................................................................................................................497
Timers........................................................................................................................................................................497
Implementation Information..........................................................................................................................................497
Conguration Information.............................................................................................................................................498
Conguration Tasks for IS-IS..................................................................................................................................499
Conguring the Distance of a Route.....................................................................................................................506
Changing the IS-Type.............................................................................................................................................. 507
Redistributing IPv4 Routes.....................................................................................................................................509
Redistributing IPv6 Routes......................................................................................................................................510
Conguring Authentication Passwords.................................................................................................................. 511
Setting the Overload Bit...........................................................................................................................................511
Debugging IS-IS........................................................................................................................................................512
IS-IS Metric Styles..........................................................................................................................................................513
Congure Metric Values................................................................................................................................................ 513
Maximum Values in the Routing Table................................................................................................................... 513
Change the IS-IS Metric Style in One Level Only.................................................................................................513
Leaks from One Level to Another...........................................................................................................................515
Sample Congurations...................................................................................................................................................516
25 In-Service Software Upgrade................................................................................................................... 518
ISSU Introduction........................................................................................................................................................... 518
Warmboot Limitations..............................................................................................................................................518
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 518
L2 ISSU............................................................................................................................................................................519
L3 ISSU............................................................................................................................................................................519
CoPP............................................................................................................................................................................... 520
Mirroring ow control packets..................................................................................................................................... 520
PFC..................................................................................................................................................................................520
QoS..................................................................................................................................................................................520
Tunnel Conguration..................................................................................................................................................... 520
26 Link Aggregation Control Protocol (LACP).............................................................................................. 522
Introduction to Dynamic LAGs and LACP.................................................................................................................. 522
Important Points to Remember............................................................................................................................. 522
LACP Modes............................................................................................................................................................ 523
Conguring LACP Commands............................................................................................................................... 523
LACP Conguration Tasks............................................................................................................................................ 524
Creating a LAG.........................................................................................................................................................524
Conguring the LAG Interfaces as Dynamic........................................................................................................ 524
Setting the LACP Long Timeout........................................................................................................................... 525
Monitoring and Debugging LACP..........................................................................................................................525
Shared LAG State Tracking.......................................................................................................................................... 526
Contents
17
Conguring Shared LAG State Tracking...............................................................................................................526
Important Points about Shared LAG State Tracking........................................................................................... 528
LACP Basic Conguration Example............................................................................................................................ 528
Congure a LAG on ALPHA................................................................................................................................... 528
27 Layer 2..................................................................................................................................................... 537
Manage the MAC Address Table................................................................................................................................. 537
Clearing the MAC Address Table........................................................................................................................... 537
Setting the Aging Time for Dynamic Entries........................................................................................................ 537
Conguring a Static MAC Address........................................................................................................................538
Displaying the MAC Address Table........................................................................................................................ 538
MAC Learning Limit.......................................................................................................................................................538
Setting the MAC Learning Limit............................................................................................................................ 539
mac learning-limit Dynamic.................................................................................................................................... 539
mac learning-limit mac-address-sticky................................................................................................................. 539
mac learning-limit station-move............................................................................................................................ 540
mac learning-limit no-station-move...................................................................................................................... 540
Learning Limit Violation Actions.............................................................................................................................540
Setting Station Move Violation Actions.................................................................................................................541
Recovering from Learning Limit and Station Move Violations............................................................................541
Disabling MAC Address Learning on the System.................................................................................................542
Enabling port security............................................................................................................................................. 542
NIC Teaming................................................................................................................................................................... 542
Congure Redundant Pairs...........................................................................................................................................543
Important Points about Conguring Redundant Pairs........................................................................................ 545
Far-End Failure Detection.............................................................................................................................................546
FEFD State Changes...............................................................................................................................................547
Conguring FEFD.................................................................................................................................................... 548
Enabling FEFD on an Interface.............................................................................................................................. 548
Debugging FEFD......................................................................................................................................................549
28 Link Layer Discovery Protocol (LLDP)......................................................................................................551
802.1AB (LLDP) Overview............................................................................................................................................ 551
Protocol Data Units..................................................................................................................................................551
Optional TLVs.................................................................................................................................................................552
Management TLVs.................................................................................................................................................. 552
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 554
TIA Organizationally Specic TLVs........................................................................................................................ 554
Congure LLDP............................................................................................................................................................. 558
Related Conguration Tasks...................................................................................................................................558
Important Points to Remember............................................................................................................................. 558
LLDP Compatibility..................................................................................................................................................559
CONFIGURATION versus INTERFACE Congurations............................................................................................559
Enabling LLDP................................................................................................................................................................559
Disabling and Undoing LLDP..................................................................................................................................560
Enabling LLDP on Management Ports........................................................................................................................560
18
Contents
Disabling and Undoing LLDP on Management Ports..........................................................................................560
Advertising TLVs............................................................................................................................................................560
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................562
Reserved Unrecognized LLDP TLVs..................................................................................................................... 562
Organizational Specic Unrecognized LLDP TLVs..............................................................................................562
Viewing Unrecognized LLDP TLVs........................................................................................................................ 562
Viewing the LLDP Conguration................................................................................................................................. 563
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................563
Examples of Viewing Information Advertised by Neighbors.............................................................................. 563
Conguring LLDPDU Intervals.....................................................................................................................................565
Conguring LLDP Notication Interval....................................................................................................................... 566
Conguring Transmit and Receive Mode................................................................................................................... 566
Conguring the Time to Live Value............................................................................................................................. 567
Debugging LLDP............................................................................................................................................................567
Relevant Management Objects................................................................................................................................... 569
29 Microsoft Network Load Balancing.......................................................................................................... 574
NLB Unicast Mode Scenario........................................................................................................................................ 574
NLB Multicast Mode Scenario..................................................................................................................................... 574
Limitations of the NLB Feature....................................................................................................................................575
Microsoft Clustering......................................................................................................................................................575
Enable and Disable VLAN Flooding .............................................................................................................................575
Conguring a Switch for NLB .....................................................................................................................................575
Enabling a Switch for Multicast NLB.....................................................................................................................576
30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 577
Protocol Overview......................................................................................................................................................... 577
Anycast RP..................................................................................................................................................................... 578
Implementation Information..........................................................................................................................................579
Congure Multicast Source Discovery Protocol........................................................................................................ 579
Related Conguration Tasks................................................................................................................................... 579
Enable MSDP................................................................................................................................................................. 583
Manage the Source-Active Cache.............................................................................................................................. 584
Viewing the Source-Active Cache.........................................................................................................................584
Limiting the Source-Active Cache.........................................................................................................................584
Clearing the Source-Active Cache........................................................................................................................585
Enabling the Rejected Source-Active Cache....................................................................................................... 585
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 585
Specifying Source-Active Messages...........................................................................................................................588
Limiting the Source-Active Messages from a Peer...................................................................................................589
Preventing MSDP from Caching a Local Source.......................................................................................................589
Preventing MSDP from Caching a Remote Source.................................................................................................. 590
Preventing MSDP from Advertising a Local Source................................................................................................. 590
Logging Changes in Peership States........................................................................................................................... 591
Terminating a Peership...................................................................................................................................................591
Clearing Peer Statistics.................................................................................................................................................592
Contents
19
Debugging MSDP.......................................................................................................................................................... 592
MSDP with Anycast RP................................................................................................................................................593
Conguring Anycast RP................................................................................................................................................594
Reducing Source-Active Message Flooding........................................................................................................ 595
Specifying the RP Address Used in SA Messages..............................................................................................595
MSDP Sample Congurations......................................................................................................................................597
31 Multiple Spanning Tree Protocol (MSTP).................................................................................................600
Protocol Overview.........................................................................................................................................................600
Spanning Tree Variations............................................................................................................................................... 601
Implementation Information.................................................................................................................................... 601
Congure Multiple Spanning Tree Protocol.................................................................................................................601
Related Conguration Tasks...................................................................................................................................602
Enable Multiple Spanning Tree Globally...................................................................................................................... 602
Adding and Removing Interfaces.................................................................................................................................602
Creating Multiple Spanning Tree Instances................................................................................................................ 603
Inuencing MSTP Root Selection................................................................................................................................604
Interoperate with Non-Dell Bridges.............................................................................................................................604
Changing the Region Name or Revision.....................................................................................................................605
Modifying Global Parameters.......................................................................................................................................605
Modifying the Interface Parameters........................................................................................................................... 606
Setting STP path cost as constant............................................................................................................................. 607
Conguring an EdgePort.............................................................................................................................................. 608
Flush MAC Addresses after a Topology Change....................................................................................................... 608
MSTP Sample Congurations......................................................................................................................................609
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................609
Debugging and Verifying MSTP Congurations......................................................................................................... 612
32 Multicast Features....................................................................................................................................614
Enabling IP Multicast......................................................................................................................................................614
Implementation Information.......................................................................................................................................... 614
Multicast Policies............................................................................................................................................................615
IPv4 Multicast Policies.............................................................................................................................................615
Understanding Multicast Traceroute (mtrace)...........................................................................................................622
Important Points to Remember............................................................................................................................. 623
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 623
Supported Error Codes................................................................................................................................................. 624
mtrace Scenarios...........................................................................................................................................................625
33 Object Tracking........................................................................................................................................ 631
Object Tracking Overview............................................................................................................................................. 631
Track Layer 2 Interfaces..........................................................................................................................................632
Track Layer 3 Interfaces..........................................................................................................................................632
Track IPv4 and IPv6 Routes................................................................................................................................... 633
Set Tracking Delays................................................................................................................................................. 634
20
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