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PowerSwitch Z9100-ON

Dell PowerSwitch Z9100-ON Owner's manual

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Dell EMC Networking OS Configuration
Guide for
the Z9100 ON System
9.13.0.0
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.
Copyright © 2017 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.
2017 - 12
Rev. A00
Contents
1 About this Guide...........................................................................................................................................35
Audience........................................................................................................................................................................... 35
Conventions......................................................................................................................................................................35
Related Documents......................................................................................................................................................... 35
2 Conguration Fundamentals........................................................................................................................ 36
Accessing the Command Line........................................................................................................................................36
CLI Modes.........................................................................................................................................................................37
Navigating CLI Modes............................................................................................................................................... 38
The do Command............................................................................................................................................................. 41
Undoing Commands.........................................................................................................................................................41
Obtaining Help..................................................................................................................................................................42
Entering and Editing Commands....................................................................................................................................42
Command History............................................................................................................................................................ 43
Filtering show Command Outputs................................................................................................................................. 43
Example of the grep Keyword.................................................................................................................................. 44
Multiple Users in Conguration Mode...........................................................................................................................44
Conguring alias command.............................................................................................................................................45
Viewing alias conguration....................................................................................................................................... 45
3 Getting Started............................................................................................................................................47
Console Access................................................................................................................................................................48
Serial Console.............................................................................................................................................................48
Micro USB-B Access.................................................................................................................................................49
Default Conguration...................................................................................................................................................... 50
Conguring a Host Name............................................................................................................................................... 50
Accessing the System Remotely................................................................................................................................... 50
Accessing the System Remotely............................................................................................................................. 50
Congure the Management Port IP Address.........................................................................................................50
Congure a Management Route...............................................................................................................................51
Conguring a Username and Password...................................................................................................................51
Conguring the Enable Password..................................................................................................................................52
Conguration File Management.....................................................................................................................................52
Copy Files to and from the System......................................................................................................................... 52
Mounting an NFS File System..................................................................................................................................53
Save the Running-Conguration............................................................................................................................. 55
Congure the Overload Bit for a Startup Scenario............................................................................................... 55
Viewing Files...............................................................................................................................................................55
Managing the File System.............................................................................................................................................. 56
View Command History...................................................................................................................................................57
Upgrading Dell EMC Networking OS.............................................................................................................................57
Using HTTP for File Transfers........................................................................................................................................ 57
Contents
3
Verify Software Images Before Installation...................................................................................................................58
4 Management............................................................................................................................................... 60
Conguring Privilege Levels........................................................................................................................................... 60
Creating a Custom Privilege Level............................................................................................................................61
Removing a Command from EXEC Mode...............................................................................................................61
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................ 61
Allowing Access to CONFIGURATION Mode Commands.....................................................................................61
Allowing Access to Dierent Modes........................................................................................................................ 61
Applying a Privilege Level to a Username............................................................................................................... 63
Applying a Privilege Level to a Terminal Line.......................................................................................................... 63
Conguring Logging........................................................................................................................................................ 63
Audit and Security Logs............................................................................................................................................ 64
Conguring Logging Format ...................................................................................................................................65
Setting Up a Secure Connection to a Syslog Server............................................................................................ 65
Log Messages in the Internal Buer..............................................................................................................................67
Conguration Task List for System Log Management.......................................................................................... 67
Disabling System Logging............................................................................................................................................... 67
Sending System Messages to a Syslog Server............................................................................................................ 67
Conguring a UNIX System as a Syslog Server.....................................................................................................67
Track Login Activity......................................................................................................................................................... 68
Restrictions for Tracking Login Activity...................................................................................................................68
Conguring Login Activity Tracking.........................................................................................................................68
Display Login Statistics..............................................................................................................................................69
Limit Concurrent Login Sessions....................................................................................................................................70
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................70
Conguring Concurrent Session Limit.....................................................................................................................70
Enabling the System to Clear Existing Sessions..................................................................................................... 71
Enabling Secured CLI Mode............................................................................................................................................72
Changing System Logging Settings...............................................................................................................................72
Display the Logging Buer and the Logging Conguration........................................................................................ 73
Conguring a UNIX Logging Facility Level....................................................................................................................73
Synchronizing Log Messages......................................................................................................................................... 74
Enabling Timestamp on Syslog Messages....................................................................................................................75
File Transfer Services.......................................................................................................................................................75
Conguration Task List for File Transfer Services..................................................................................................75
Enabling the FTP Server........................................................................................................................................... 76
Conguring FTP Server Parameters........................................................................................................................76
Conguring FTP Client Parameters......................................................................................................................... 76
Terminal Lines................................................................................................................................................................... 77
Denying and Permitting Access to a Terminal Line................................................................................................ 77
Conguring Login Authentication for Terminal Lines............................................................................................. 78
Setting Timeout for EXEC Privilege Mode................................................................................................................... 79
Using Telnet to get to Another Network Device..........................................................................................................80
Lock CONFIGURATION Mode.......................................................................................................................................80
Viewing the Conguration Lock Status...................................................................................................................80
4
Contents
Reloading the system....................................................................................................................................................... 81
Restoring the Factory Default Settings.........................................................................................................................82
Important Points to Remember................................................................................................................................82
Restoring Factory Default Environment Variables................................................................................................. 82
Viewing the Reason for Last System Reboot...............................................................................................................83
5 802.1X..........................................................................................................................................................84
Port-Authentication Process..........................................................................................................................................86
EAP over RADIUS......................................................................................................................................................86
Conguring 802.1X........................................................................................................................................................... 87
Related Conguration Tasks..................................................................................................................................... 87
Important Points to Remember......................................................................................................................................87
Enabling 802.1X................................................................................................................................................................ 88
Conguring dot1x Prole ................................................................................................................................................89
Conguring the Static MAB and MAB Prole .............................................................................................................90
Conguring Critical VLAN ..............................................................................................................................................90
Conguring MAC addresses for a do1x Prole..............................................................................................................91
Conguring Request Identity Re-Transmissions...........................................................................................................92
Conguring a Quiet Period after a Failed Authentication..................................................................................... 92
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 93
Re-Authenticating a Port................................................................................................................................................94
Conguring Timeouts......................................................................................................................................................95
Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 96
Guest and Authentication-Fail VLANs...........................................................................................................................97
Conguring a Guest VLAN........................................................................................................................................97
Conguring an Authentication-Fail VLAN............................................................................................................... 97
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)....................................99
Optimizing CAM Utilization During the Attachment of ACLs to VLANs...................................................................99
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 100
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................100
Conguring ACL VLAN Groups.............................................................................................................................. 100
Conguring FP Blocks for VLAN Parameters........................................................................................................101
Viewing CAM Usage...................................................................................................................................................... 102
Allocating FP Blocks for VLAN Processes.................................................................................................................. 103
ACL Optimization to Increase Number of Supported IPv4 ACLs.............................................................................103
Restrictions for ACL Optimization..........................................................................................................................104
Optimizing ACL for More Number of IPv4 ACL Rules.........................................................................................104
7 Access Control Lists (ACLs)....................................................................................................................... 105
IP Access Control Lists (ACLs).....................................................................................................................................106
CAM Usage............................................................................................................................................................... 107
Implementing ACLs on Dell EMC Networking OS................................................................................................108
Congure ACL Range Proles...................................................................................................................................... 109
Important Points to Remember.....................................................................................................................................110
Conguration Task List for Route Maps.................................................................................................................110
Contents
5
Conguring Match Routes.......................................................................................................................................113
Conguring Set Conditions......................................................................................................................................114
Congure a Route Map for Route Redistribution..................................................................................................115
Congure a Route Map for Route Tagging............................................................................................................ 115
Continue Clause........................................................................................................................................................ 116
IP Fragment Handling..................................................................................................................................................... 116
IP Fragments ACL Examples................................................................................................................................... 116
Layer 4 ACL Rules Examples....................................................................................................................................117
Congure a Standard IP ACL.........................................................................................................................................118
Conguring a Standard IP ACL Filter......................................................................................................................119
Congure an Extended IP ACL......................................................................................................................................119
Conguring Filters with a Sequence Number.......................................................................................................120
Conguring Filters Without a Sequence Number.................................................................................................122
Congure Layer 2 and Layer 3 ACLs............................................................................................................................123
Assign an IP ACL to an Interface.................................................................................................................................. 124
Applying an IP ACL.........................................................................................................................................................124
Counting ACL Hits....................................................................................................................................................125
Congure Ingress ACLs................................................................................................................................................. 125
Congure Egress ACLs..................................................................................................................................................125
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 126
Conguring UDF ACL.....................................................................................................................................................127
IP Prex Lists.................................................................................................................................................................. 129
Implementation Information.................................................................................................................................... 130
Conguration Task List for Prex Lists.................................................................................................................. 130
ACL Resequencing......................................................................................................................................................... 133
Resequencing an ACL or Prex List.......................................................................................................................134
Route Maps.....................................................................................................................................................................135
Implementation Information.................................................................................................................................... 135
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 136
How BFD Works............................................................................................................................................................. 136
BFD Packet Format..................................................................................................................................................137
BFD Sessions............................................................................................................................................................ 138
BFD Three-Way Handshake....................................................................................................................................139
Session State Changes.............................................................................................................................................141
Important Points to Remember..................................................................................................................................... 141
Congure BFD................................................................................................................................................................. 141
Congure BFD for Physical Ports...........................................................................................................................142
Congure BFD for Static Routes............................................................................................................................143
Congure BFD for OSPF.........................................................................................................................................146
Congure BFD for OSPFv3......................................................................................................................................151
Congure BFD for IS-IS...........................................................................................................................................154
Congure BFD for BGP...........................................................................................................................................156
Congure BFD for VRRP.........................................................................................................................................164
Conguring Protocol Liveness................................................................................................................................ 166
6
Contents
9 Border Gateway Protocol IPv4 (BGPv4).....................................................................................................167
Autonomous Systems (AS)........................................................................................................................................... 167
Sessions and Peers........................................................................................................................................................ 169
Establish a Session...................................................................................................................................................169
Route Reectors.............................................................................................................................................................170
BGP Attributes.................................................................................................................................................................171
Best Path Selection Criteria.....................................................................................................................................171
Weight........................................................................................................................................................................173
Local Preference.......................................................................................................................................................173
Multi-Exit Discriminators (MEDs)...........................................................................................................................174
Origin..........................................................................................................................................................................175
AS Path...................................................................................................................................................................... 176
Next Hop................................................................................................................................................................... 176
Multiprotocol BGP.......................................................................................................................................................... 176
Implement BGP with Dell EMC Networking OS......................................................................................................... 177
Additional Path (Add-Path) Support...................................................................................................................... 177
Advertise IGP Cost as MED for Redistributed Routes.........................................................................................177
Ignore Router-ID in Best-Path Calculation............................................................................................................ 178
Four-Byte AS Numbers............................................................................................................................................178
AS4 Number Representation.................................................................................................................................. 178
AS Number Migration.............................................................................................................................................. 180
BGP4 Management Information Base (MIB).........................................................................................................181
Important Points to Remember............................................................................................................................... 181
Conguration Information..............................................................................................................................................182
BGP Conguration......................................................................................................................................................... 182
Enabling BGP............................................................................................................................................................ 183
Conguring AS4 Number Representations........................................................................................................... 186
Conguring Peer Groups.........................................................................................................................................188
Conguring BGP Fast Fall-Over.............................................................................................................................190
Conguring Passive Peering................................................................................................................................... 192
Maintaining Existing AS Numbers During an AS Migration................................................................................. 192
Allowing an AS Number to Appear in its Own AS Path....................................................................................... 193
Enabling Graceful Restart........................................................................................................................................194
Enabling Neighbor Graceful Restart...................................................................................................................... 195
Filtering on an AS-Path Attribute...........................................................................................................................195
Regular Expressions as Filters.................................................................................................................................197
Redistributing Routes...............................................................................................................................................198
Enabling Additional Paths........................................................................................................................................ 199
Conguring IP Community Lists............................................................................................................................. 199
Conguring an IP Extended Community List....................................................................................................... 200
Filtering Routes with Community Lists..................................................................................................................201
Manipulating the COMMUNITY Attribute............................................................................................................ 202
Changing MED Attributes.......................................................................................................................................203
Changing the LOCAL_PREFERENCE Attribute..................................................................................................203
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 204
Contents
7
Changing the WEIGHT Attribute...........................................................................................................................205
Enabling Multipath...................................................................................................................................................205
Filtering BGP Routes...............................................................................................................................................205
Filtering BGP Routes Using Route Maps.............................................................................................................. 207
Filtering BGP Routes Using AS-PATH Information..............................................................................................207
Conguring BGP Route Reectors........................................................................................................................208
Aggregating Routes.................................................................................................................................................209
Conguring BGP Confederations.......................................................................................................................... 209
Enabling Route Flap Dampening.............................................................................................................................210
Changing BGP Timers..............................................................................................................................................212
Enabling BGP Neighbor Soft-Reconguration......................................................................................................212
Enabling or disabling BGP neighbors......................................................................................................................213
Route Map Continue................................................................................................................................................215
Enabling MBGP Congurations.................................................................................................................................... 215
BGP Regular Expression Optimization.........................................................................................................................216
Debugging BGP.............................................................................................................................................................. 216
Storing Last and Bad PDUs.....................................................................................................................................217
Capturing PDUs........................................................................................................................................................218
PDU Counters...........................................................................................................................................................219
Sample Congurations...................................................................................................................................................219
10 Content Addressable Memory (CAM).......................................................................................................226
CAM Allocation...............................................................................................................................................................226
Test CAM Usage............................................................................................................................................................228
View CAM-ACL Settings.............................................................................................................................................. 228
View CAM Usage...........................................................................................................................................................229
Conguring CAM Threshold and Silence Period........................................................................................................230
Setting CAM Threshold and Silence Period......................................................................................................... 230
CAM Optimization.......................................................................................................................................................... 231
Troubleshoot CAM Proling...........................................................................................................................................231
QoS CAM Region Limitation....................................................................................................................................231
Syslog Error When the Table is Full....................................................................................................................... 232
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................232
Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 232
Unied Forwarding Table (UFT) Modes......................................................................................................................232
Conguring UFT Modes..........................................................................................................................................232
11 Control Plane Policing (CoPP).................................................................................................................. 234
Congure Control Plane Policing................................................................................................................................. 235
Conguring CoPP for Protocols............................................................................................................................ 236
Conguring CoPP for CPU Queues...................................................................................................................... 238
Protocol to CPU Queue Mapping.......................................................................................................................... 239
Conguring Protocol to CPU Queue Mapping.....................................................................................................239
Displaying CoPP Conguration ............................................................................................................................. 240
12 Data Center Bridging (DCB)..................................................................................................................... 242
8
Contents
Ethernet Enhancements in Data Center Bridging......................................................................................................242
Priority-Based Flow Control................................................................................................................................... 243
Enhanced Transmission Selection..........................................................................................................................244
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................245
Data Center Bridging in a Trac Flow...................................................................................................................246
Buer Organization................................................................................................................................................. 246
Enabling Data Center Bridging..................................................................................................................................... 248
DCB Maps and its Attributes..................................................................................................................................249
Data Center Bridging: Default Conguration..............................................................................................................249
Conguring Priority-Based Flow Control....................................................................................................................250
Conguring Lossless Queues.................................................................................................................................. 251
Conguring PFC in a DCB Map................................................................................................................................... 252
PFC Conguration Notes........................................................................................................................................252
PFC Prerequisites and Restrictions.......................................................................................................................253
Applying a DCB Map on a Port.................................................................................................................................... 253
Conguring PFC without a DCB Map.........................................................................................................................254
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................254
Pause and Resume of Trac..................................................................................................................................254
Buer Sizes for Lossless or PFC Packets............................................................................................................ 255
Shared headroom for lossless or PFC packets.......................................................................................................... 255
Example Scenario.................................................................................................................................................... 256
Conguring Shared Head Room Buer.................................................................................................................257
Viewing Shared Head Room Usage.......................................................................................................................257
Monitoring Buer Statistics for Tracking Purposes............................................................................................ 258
Behavior of Tagged Packets.........................................................................................................................................258
Conguration Example for DSCP and PFC Priorities................................................................................................259
SNMP Support for PFC and Buer Statistics Tracking............................................................................................259
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................260
PFC and ETS Conguration Examples........................................................................................................................260
Using PFC to Manage Converged Ethernet Trac.................................................................................................. 260
Operations on Untagged Packets.................................................................................................................................261
Generation of PFC for a Priority for Untagged Packets............................................................................................261
Congure Enhanced Transmission Selection.............................................................................................................. 261
Creating an ETS Priority Group.............................................................................................................................. 261
ETS Operation with DCBx...................................................................................................................................... 262
Conguring ETS in a DCB Map..............................................................................................................................263
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 264
Using ETS to Manage Converged Ethernet Trac...................................................................................................265
Applying DCB Policies in a Switch Stack....................................................................................................................265
Congure a DCBx Operation........................................................................................................................................265
DCBx Operation.......................................................................................................................................................265
DCBx Port Roles...................................................................................................................................................... 266
DCB Conguration Exchange.................................................................................................................................267
Conguration Source Election................................................................................................................................267
Propagation of DCB Information............................................................................................................................268
Contents
9
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 268
DCBx Example......................................................................................................................................................... 269
DCBx Prerequisites and Restrictions.....................................................................................................................269
Conguring DCBx....................................................................................................................................................269
Verifying the DCB Conguration..................................................................................................................................273
QoS dot1p Trac Classication and Queue Assignment..........................................................................................280
Conguring the Dynamic Buer Method................................................................................................................... 280
Sample DCB Conguration............................................................................................................................................281
PFC and ETS Conguration Command Examples...............................................................................................283
13 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 284
DHCP Packet Format and Options............................................................................................................................. 284
Assign an IP Address using DHCP...............................................................................................................................286
Implementation Information..........................................................................................................................................286
Congure the System to be a DHCP Server..............................................................................................................287
Conguring the Server for Automatic Address Allocation.................................................................................. 287
Specifying a Default Gateway................................................................................................................................ 289
Congure a Method of Hostname Resolution..................................................................................................... 289
Using DNS for Address Resolution........................................................................................................................289
Using NetBIOS WINS for Address Resolution..................................................................................................... 289
Creating Manual Binding Entries............................................................................................................................290
Debugging the DHCP Server.................................................................................................................................290
Using DHCP Clear Commands.............................................................................................................................. 290
Congure the System to be a DHCP Client................................................................................................................291
Conguring the DHCP Client System....................................................................................................................291
DHCP Client on a Management Interface............................................................................................................293
DHCP Client Operation with Other Features.......................................................................................................293
Congure Secure DHCP...............................................................................................................................................294
Option 82..................................................................................................................................................................294
DHCP Snooping.......................................................................................................................................................295
Drop DHCP Packets on Snooped VLANs Only....................................................................................................299
Dynamic ARP Inspection........................................................................................................................................ 300
Conguring Dynamic ARP Inspection....................................................................................................................301
Source Address Validation............................................................................................................................................ 302
Enabling IP Source Address Validation..................................................................................................................302
DHCP MAC Source Address Validation................................................................................................................ 303
Enabling IP+MAC Source Address Validation.......................................................................................................303
Viewing the Number of SAV Dropped Packets................................................................................................... 304
Clearing the Number of SAV Dropped Packets...................................................................................................304
14 Equal Cost Multi-Path (ECMP)................................................................................................................305
ECMP for Flow-Based Anity.....................................................................................................................................305
Conguring the Hash Algorithm............................................................................................................................ 305
Enabling Deterministic ECMP Next Hop.............................................................................................................. 305
Conguring the Hash Algorithm Seed.................................................................................................................. 306
Link Bundle Monitoring................................................................................................................................................. 306
10
Contents
Managing ECMP Group Paths...............................................................................................................................307
Creating an ECMP Group Bundle.......................................................................................................................... 307
Modifying the ECMP Group Threshold.................................................................................................................307
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................308
Support for ECMP in host table............................................................................................................................ 309
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 309
15 FIP Snooping............................................................................................................................................ 310
Fibre Channel over Ethernet.........................................................................................................................................310
Ensure Robustness in a Converged Ethernet Network.............................................................................................310
FIP Snooping on Ethernet Bridges...............................................................................................................................312
Using FIP Snooping........................................................................................................................................................ 314
FIP Snooping Prerequisites......................................................................................................................................314
Important Points to Remember.............................................................................................................................. 314
Enabling the FCoE Transit Feature.........................................................................................................................315
Enable FIP Snooping on VLANs............................................................................................................................. 316
Congure the FC-MAP Value................................................................................................................................. 316
Congure a Port for a Bridge-to-Bridge Link........................................................................................................316
Congure a Port for a Bridge-to-FCF Link............................................................................................................316
Impact on Other Software Features...................................................................................................................... 316
FIP Snooping Restrictions....................................................................................................................................... 317
Conguring FIP Snooping........................................................................................................................................317
Displaying FIP Snooping Information............................................................................................................................318
FCoE Transit Conguration Example...........................................................................................................................323
16 Flex Hash and Optimized Boot-Up............................................................................................................325
Flex Hash Capability Overview.....................................................................................................................................325
Conguring the Flex Hash Mechanism.......................................................................................................................325
Conguring Fast Boot and LACP Fast Switchover...................................................................................................326
Optimizing the Boot Time.............................................................................................................................................326
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................326
Guidelines for Conguring Optimized Booting Mechanism................................................................................ 327
Interoperation of Applications with Fast Boot and System States..........................................................................328
LACP and IPv4 Routing.......................................................................................................................................... 328
LACP and IPv6 Routing.......................................................................................................................................... 328
BGP Graceful Restart............................................................................................................................................. 329
Cold Boot Caused by Power Cycling the System................................................................................................329
Unexpected Reload of the System........................................................................................................................329
Software Upgrade................................................................................................................................................... 329
LACP Fast Switchover............................................................................................................................................329
Changes to BGP Multipath.................................................................................................................................... 330
Delayed Installation of ECMP Routes Into BGP...................................................................................................330
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 330
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.......................................................................................331
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 332
Contents
11
Protocol Overview......................................................................................................................................................... 332
Ring Status............................................................................................................................................................... 333
Multiple FRRP Rings................................................................................................................................................333
Important FRRP Points...........................................................................................................................................334
Important FRRP Concepts..................................................................................................................................... 335
Implementing FRRP.......................................................................................................................................................336
FRRP Conguration...................................................................................................................................................... 336
Creating the FRRP Group.......................................................................................................................................336
Conguring the Control VLAN............................................................................................................................... 337
Conguring and Adding the Member VLANs.......................................................................................................338
Setting the FRRP Timers........................................................................................................................................339
Clearing the FRRP Counters..................................................................................................................................339
Viewing the FRRP Conguration...........................................................................................................................339
Viewing the FRRP Information.............................................................................................................................. 340
Troubleshooting FRRP.................................................................................................................................................. 340
Conguration Checks..............................................................................................................................................340
Sample Conguration and Topology............................................................................................................................340
FRRP Support on VLT...................................................................................................................................................342
Example Scenario.................................................................................................................................................... 342
Important Points to Remember..............................................................................................................................343
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................345
Important Points to Remember................................................................................................................................... 345
Congure GVRP............................................................................................................................................................ 346
Related Conguration Tasks...................................................................................................................................346
Enabling GVRP Globally................................................................................................................................................ 347
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 347
Congure GVRP Registration.......................................................................................................................................347
Congure a GARP Timer.............................................................................................................................................. 348
19 Internet Group Management Protocol (IGMP)......................................................................................... 349
IGMP Implementation Information.............................................................................................................................. 349
IGMP Protocol Overview..............................................................................................................................................349
IGMP Version 2........................................................................................................................................................349
IGMP Version 3.........................................................................................................................................................351
Congure IGMP............................................................................................................................................................. 354
Related Conguration Tasks...................................................................................................................................354
Viewing IGMP Enabled Interfaces...............................................................................................................................355
Selecting an IGMP Version...........................................................................................................................................355
Viewing IGMP Groups...................................................................................................................................................355
Adjusting Timers............................................................................................................................................................ 356
Adjusting Query and Response Timers................................................................................................................. 356
Enabling IGMP Immediate-Leave.................................................................................................................................357
IGMP Snooping.............................................................................................................................................................. 357
IGMP Snooping Implementation Information....................................................................................................... 357
Conguring IGMP Snooping...................................................................................................................................357
12
Contents
Removing a Group-Port Association.....................................................................................................................358
Disabling Multicast Flooding...................................................................................................................................358
Specifying a Port as Connected to a Multicast Router...................................................................................... 358
Conguring the Switch as Querier........................................................................................................................ 359
Fast Convergence after MSTP Topology Changes...................................................................................................359
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................360
Protocol Separation.................................................................................................................................................360
Enabling and Disabling Management Egress Interface Selection.......................................................................361
Handling of Management Route Conguration................................................................................................... 362
Handling of Switch-Initiated Trac....................................................................................................................... 362
Handling of Switch-Destined Trac......................................................................................................................363
Handling of Transit Trac (Trac Separation).................................................................................................... 364
Mapping of Management Applications and Trac Type.....................................................................................364
Behavior of Various Applications for Switch-Initiated Trac ............................................................................365
Behavior of Various Applications for Switch-Destined Trac .......................................................................... 366
Interworking of EIS With Various Applications..................................................................................................... 367
Designating a Multicast Router Interface................................................................................................................... 367
20 Interfaces................................................................................................................................................ 368
Basic Interface Conguration.......................................................................................................................................368
Advanced Interface Conguration...............................................................................................................................368
Interface Types...............................................................................................................................................................369
View Basic Interface Information.................................................................................................................................369
Resetting an Interface to its Factory Default State....................................................................................................371
Enabling a Physical Interface........................................................................................................................................372
Physical Interfaces.........................................................................................................................................................372
Conguration Task List for Physical Interfaces.................................................................................................... 372
Overview of Layer Modes.......................................................................................................................................373
Conguring Layer 2 (Data Link) Mode..................................................................................................................373
Conguring Layer 2 (Interface) Mode...................................................................................................................373
Conguring Layer 3 (Network) Mode................................................................................................................... 374
Conguring Layer 3 (Interface) Mode...................................................................................................................374
Egress Interface Selection (EIS).................................................................................................................................. 375
Important Points to Remember..............................................................................................................................375
Conguring EIS........................................................................................................................................................ 375
Management Interfaces................................................................................................................................................376
Conguring Management Interfaces.....................................................................................................................376
Conguring a Management Interface on an Ethernet Port................................................................................376
VLAN Interfaces............................................................................................................................................................. 377
Loopback Interfaces...................................................................................................................................................... 378
Null Interfaces.................................................................................................................................................................378
Port Channel Interfaces................................................................................................................................................ 378
Port Channel Denition and Standards................................................................................................................. 379
Port Channel Benets............................................................................................................................................. 379
Port Channel Implementation.................................................................................................................................379
Interfaces in Port Channels....................................................................................................................................380
Contents
13
Conguration Tasks for Port Channel Interfaces.................................................................................................380
Creating a Port Channel......................................................................................................................................... 380
Adding a Physical Interface to a Port Channel......................................................................................................381
Reassigning an Interface to a New Port Channel................................................................................................382
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 383
Adding or Removing a Port Channel from a VLAN............................................................................................. 383
Assigning an IP Address to a Port Channel.......................................................................................................... 384
Deleting or Disabling a Port Channel.....................................................................................................................385
Load Balancing Through Port Channels................................................................................................................385
Load-Balancing Method..........................................................................................................................................385
Changing the Hash Algorithm................................................................................................................................386
Bulk Conguration..........................................................................................................................................................387
Interface Range........................................................................................................................................................387
Bulk Conguration Examples..................................................................................................................................387
Dening Interface Range Macros................................................................................................................................ 389
Dene the Interface Range.................................................................................................................................... 389
Choosing an Interface-Range Macro.................................................................................................................... 389
Monitoring and Maintaining Interfaces....................................................................................................................... 390
Maintenance Using TDR..........................................................................................................................................391
Non Dell-Qualied Transceivers....................................................................................................................................391
Splitting 100G Ports...................................................................................................................................................... 392
Link Dampening..............................................................................................................................................................393
Important Points to Remember............................................................................................................................. 393
Conguration Example of Link Dampening...........................................................................................................394
Enabling Link Dampening........................................................................................................................................396
Link Bundle Monitoring..................................................................................................................................................397
Using Ethernet Pause Frames for Flow Control........................................................................................................ 398
Enabling Pause Frames........................................................................................................................................... 398
Congure the MTU Size on an Interface....................................................................................................................399
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................400
Port-Pipes.......................................................................................................................................................................400
CR4 Auto-Negotiation.................................................................................................................................................. 400
Setting the Speed of Ethernet Interfaces...................................................................................................................401
Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................402
FEC Conguration......................................................................................................................................................... 402
View Advanced Interface Information.........................................................................................................................404
Conguring the Interface Sampling Size.............................................................................................................. 404
Conguring the Trac Sampling Size Globally.......................................................................................................... 406
Dynamic Counters..........................................................................................................................................................407
Clearing Interface Counters....................................................................................................................................407
Enhanced Validation of Interface Ranges...................................................................................................................408
Compressing Conguration Files................................................................................................................................. 408
OUI on 25G and 50G Interfaces....................................................................................................................................411
Conguring OUI on 25G and 50G Interfaces........................................................................................................ 411
21 IPv4 Routing............................................................................................................................................. 412
14
Contents
IP Addresses....................................................................................................................................................................413
Implementation Information.................................................................................................................................... 413
Conguration Tasks for IP Addresses.......................................................................................................................... 413
Assigning IP Addresses to an Interface........................................................................................................................413
Conguring Static Routes............................................................................................................................................. 414
Congure Static Routes for the Management Interface...........................................................................................415
Using the Congured Source IP Address in ICMP Messages...................................................................................416
Conguring the ICMP Source Interface................................................................................................................ 416
Conguring the Duration to Establish a TCP Connection.........................................................................................416
Enabling Directed Broadcast......................................................................................................................................... 417
Resolution of Host Names.............................................................................................................................................417
Enabling Dynamic Resolution of Host Names.............................................................................................................417
Specifying the Local System Domain and a List of Domains.................................................................................... 418
Conguring DNS with Traceroute................................................................................................................................ 418
ARP.................................................................................................................................................................................. 419
Conguration Tasks for ARP.........................................................................................................................................419
Conguring Static ARP Entries.....................................................................................................................................419
Enabling Proxy ARP.......................................................................................................................................................420
Clearing ARP Cache......................................................................................................................................................420
ARP Learning via Gratuitous ARP................................................................................................................................ 421
Enabling ARP Learning via Gratuitous ARP.................................................................................................................421
ARP Learning via ARP Request.................................................................................................................................... 421
Conguring ARP Retries............................................................................................................................................... 422
ICMP............................................................................................................................................................................... 422
Conguration Tasks for ICMP...................................................................................................................................... 423
Enabling ICMP Unreachable Messages...................................................................................................................... 423
UDP Helper.....................................................................................................................................................................423
Congure UDP Helper.............................................................................................................................................423
Important Points to Remember..............................................................................................................................423
Enabling UDP Helper.....................................................................................................................................................423
Conguring a Broadcast Address................................................................................................................................ 424
Congurations Using UDP Helper................................................................................................................................424
UDP Helper with Broadcast-All Addresses.................................................................................................................425
UDP Helper with Subnet Broadcast Addresses.........................................................................................................425
UDP Helper with Congured Broadcast Addresses..................................................................................................426
UDP Helper with No Congured Broadcast Addresses............................................................................................426
Troubleshooting UDP Helper........................................................................................................................................ 427
22 IPv6 Routing............................................................................................................................................428
Protocol Overview......................................................................................................................................................... 428
Extended Address Space........................................................................................................................................429
Stateless Autoconguration................................................................................................................................... 429
IPv6 Headers............................................................................................................................................................429
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 430
IPv6 Header Fields................................................................................................................................................... 431
Extension Header Fields..........................................................................................................................................433
Contents
15
Addressing................................................................................................................................................................ 434
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 435
ICMPv6...........................................................................................................................................................................435
Path MTU Discovery.....................................................................................................................................................435
IPv6 Neighbor Discovery.............................................................................................................................................. 436
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................436
Conguring the IPv6 Recursive DNS Server....................................................................................................... 436
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 437
Displaying IPv6 RDNSS Information......................................................................................................................438
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 438
Conguration Tasks for IPv6........................................................................................................................................439
Adjusting Your CAM-Prole....................................................................................................................................439
Assigning an IPv6 Address to an Interface...........................................................................................................440
Assigning a Static IPv6 Route................................................................................................................................440
Conguring Telnet with IPv6...................................................................................................................................441
SNMP over IPv6.......................................................................................................................................................441
Displaying IPv6 Information.....................................................................................................................................441
Displaying an IPv6 Interface Information.............................................................................................................. 442
Showing IPv6 Routes..............................................................................................................................................443
Showing the Running-Conguration for an Interface......................................................................................... 444
Clearing IPv6 Routes...............................................................................................................................................444
Conguring IPv6 RA Guard.......................................................................................................................................... 445
23 iSCSI Optimization...................................................................................................................................447
iSCSI Optimization Overview....................................................................................................................................... 447
Monitoring iSCSI Trac Flows...............................................................................................................................449
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 449
Information Monitored in iSCSI Trac Flows.......................................................................................................449
Detection and Auto-Conguration for Dell EqualLogic Arrays...........................................................................450
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................450
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer..................................................................451
Enable and Disable iSCSI Optimization..................................................................................................................451
Default iSCSI Optimization Values...............................................................................................................................452
iSCSI Optimization Prerequisites................................................................................................................................. 452
Conguring iSCSI Optimization....................................................................................................................................452
Displaying iSCSI Optimization Information................................................................................................................. 454
24 Intermediate System to Intermediate System.......................................................................................... 456
IS-IS Protocol Overview............................................................................................................................................... 456
IS-IS Addressing.............................................................................................................................................................456
Multi-Topology IS-IS.......................................................................................................................................................457
Transition Mode........................................................................................................................................................457
Interface Support.....................................................................................................................................................458
Adjacencies...............................................................................................................................................................458
Graceful Restart............................................................................................................................................................ 458
Timers....................................................................................................................................................................... 458
16
Contents
Implementation Information..........................................................................................................................................458
Conguration Information.............................................................................................................................................459
Conguration Tasks for IS-IS..................................................................................................................................460
Conguring the Distance of a Route.....................................................................................................................467
Changing the IS-Type.............................................................................................................................................. 468
Redistributing IPv4 Routes..................................................................................................................................... 470
Redistributing IPv6 Routes......................................................................................................................................471
Conguring Authentication Passwords.................................................................................................................472
Setting the Overload Bit......................................................................................................................................... 472
Debugging IS-IS....................................................................................................................................................... 473
IS-IS Metric Styles......................................................................................................................................................... 474
Congure Metric Values................................................................................................................................................474
Maximum Values in the Routing Table...................................................................................................................475
Change the IS-IS Metric Style in One Level Only................................................................................................475
Leaks from One Level to Another.......................................................................................................................... 476
Sample Congurations.................................................................................................................................................. 477
25 In-Service Software Upgrade.................................................................................................................. 480
ISSU Introduction.......................................................................................................................................................... 480
Warmboot Limitations............................................................................................................................................. 480
Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................. 480
L2 ISSU............................................................................................................................................................................481
L3 ISSU............................................................................................................................................................................481
CoPP............................................................................................................................................................................... 482
Mirroring ow control packets..................................................................................................................................... 482
PFC..................................................................................................................................................................................482
QoS..................................................................................................................................................................................482
Tunnel Conguration..................................................................................................................................................... 482
26 Link Aggregation Control Protocol (LACP).............................................................................................. 484
Introduction to Dynamic LAGs and LACP.................................................................................................................. 484
Important Points to Remember............................................................................................................................. 484
LACP Modes............................................................................................................................................................ 485
Conguring LACP Commands...............................................................................................................................485
LACP Conguration Tasks............................................................................................................................................486
Creating a LAG.........................................................................................................................................................486
Conguring the LAG Interfaces as Dynamic........................................................................................................ 486
Setting the LACP Long Timeout............................................................................................................................487
Monitoring and Debugging LACP.......................................................................................................................... 487
Shared LAG State Tracking.......................................................................................................................................... 488
Conguring Shared LAG State Tracking............................................................................................................... 488
Important Points about Shared LAG State Tracking...........................................................................................490
LACP Basic Conguration Example............................................................................................................................ 490
Congure a LAG on ALPHA................................................................................................................................... 490
27 Layer 2.....................................................................................................................................................499
Contents
17
Manage the MAC Address Table................................................................................................................................. 499
Clearing the MAC Address Table........................................................................................................................... 499
Setting the Aging Time for Dynamic Entries........................................................................................................499
Conguring a Static MAC Address....................................................................................................................... 500
Displaying the MAC Address Table........................................................................................................................500
MAC Learning Limit.......................................................................................................................................................500
Setting the MAC Learning Limit............................................................................................................................. 501
mac learning-limit Dynamic..................................................................................................................................... 501
mac learning-limit mac-address-sticky..................................................................................................................501
mac learning-limit station-move............................................................................................................................ 502
mac learning-limit no-station-move...................................................................................................................... 502
Learning Limit Violation Actions.............................................................................................................................502
Setting Station Move Violation Actions................................................................................................................ 503
Recovering from Learning Limit and Station Move Violations........................................................................... 503
Disabling MAC Address Learning on the System...................................................................................................... 504
NIC Teaming...................................................................................................................................................................504
Congure Redundant Pairs.......................................................................................................................................... 505
Important Points about Conguring Redundant Pairs........................................................................................ 507
Far-End Failure Detection.............................................................................................................................................508
FEFD State Changes...............................................................................................................................................509
Conguring FEFD.....................................................................................................................................................510
Enabling FEFD on an Interface............................................................................................................................... 510
Debugging FEFD....................................................................................................................................................... 511
28 Link Layer Discovery Protocol (LLDP)...................................................................................................... 513
802.1AB (LLDP) Overview.............................................................................................................................................513
Protocol Data Units.................................................................................................................................................. 513
Optional TLVs..................................................................................................................................................................514
Management TLVs................................................................................................................................................... 514
TIA-1057 (LLDP-MED) Overview................................................................................................................................. 516
TIA Organizationally Specic TLVs.........................................................................................................................516
Congure LLDP.............................................................................................................................................................. 519
Related Conguration Tasks....................................................................................................................................519
Important Points to Remember............................................................................................................................. 520
LLDP Compatibility..................................................................................................................................................520
CONFIGURATION versus INTERFACE Congurations............................................................................................ 520
Enabling LLDP.................................................................................................................................................................521
Disabling and Undoing LLDP...................................................................................................................................521
Enabling LLDP on Management Ports.........................................................................................................................521
Disabling and Undoing LLDP on Management Ports...........................................................................................521
Advertising TLVs............................................................................................................................................................ 522
Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 523
Reserved Unrecognized LLDP TLVs..................................................................................................................... 523
Organizational Specic Unrecognized LLDP TLVs.............................................................................................. 523
Viewing Unrecognized LLDP TLVs........................................................................................................................ 524
Viewing the LLDP Conguration..................................................................................................................................524
18
Contents
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................525
Examples of Viewing Information Advertised by Neighbors.............................................................................. 525
Conguring LLDPDU Intervals..................................................................................................................................... 526
Conguring Transmit and Receive Mode....................................................................................................................527
Conguring the Time to Live Value............................................................................................................................. 528
Debugging LLDP............................................................................................................................................................529
Relevant Management Objects................................................................................................................................... 530
29 Microsoft Network Load Balancing.......................................................................................................... 534
NLB Unicast Mode Scenario........................................................................................................................................534
NLB Multicast Mode Scenario.....................................................................................................................................534
Limitations of the NLB Feature....................................................................................................................................535
Microsoft Clustering......................................................................................................................................................535
Enable and Disable VLAN Flooding ............................................................................................................................ 535
Conguring a Switch for NLB .....................................................................................................................................535
Enabling a Switch for Multicast NLB.................................................................................................................... 536
30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 537
Protocol Overview......................................................................................................................................................... 537
Anycast RP.....................................................................................................................................................................538
Implementation Information......................................................................................................................................... 539
Congure Multicast Source Discovery Protocol........................................................................................................539
Related Conguration Tasks...................................................................................................................................539
Enable MSDP................................................................................................................................................................. 543
Manage the Source-Active Cache.............................................................................................................................. 544
Viewing the Source-Active Cache.........................................................................................................................544
Limiting the Source-Active Cache.........................................................................................................................544
Clearing the Source-Active Cache........................................................................................................................545
Enabling the Rejected Source-Active Cache....................................................................................................... 545
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 545
Specifying Source-Active Messages...........................................................................................................................548
Limiting the Source-Active Messages from a Peer...................................................................................................549
Preventing MSDP from Caching a Local Source.......................................................................................................549
Preventing MSDP from Caching a Remote Source..................................................................................................550
Preventing MSDP from Advertising a Local Source................................................................................................. 550
Logging Changes in Peership States........................................................................................................................... 551
Terminating a Peership...................................................................................................................................................551
Clearing Peer Statistics.................................................................................................................................................552
Debugging MSDP..........................................................................................................................................................552
MSDP with Anycast RP................................................................................................................................................553
Conguring Anycast RP................................................................................................................................................554
Reducing Source-Active Message Flooding........................................................................................................ 555
Specifying the RP Address Used in SA Messages..............................................................................................555
MSDP Sample Congurations......................................................................................................................................557
31 Multiple Spanning Tree Protocol (MSTP).................................................................................................560
Contents
19
Protocol Overview.........................................................................................................................................................560
Spanning Tree Variations............................................................................................................................................... 561
Implementation Information.................................................................................................................................... 561
Congure Multiple Spanning Tree Protocol.................................................................................................................561
Related Conguration Tasks...................................................................................................................................562
Enable Multiple Spanning Tree Globally...................................................................................................................... 562
Adding and Removing Interfaces.................................................................................................................................562
Creating Multiple Spanning Tree Instances................................................................................................................ 563
Inuencing MSTP Root Selection................................................................................................................................564
Interoperate with Non-Dell Bridges.............................................................................................................................565
Changing the Region Name or Revision.....................................................................................................................565
Modifying Global Parameters.......................................................................................................................................565
Modifying the Interface Parameters............................................................................................................................567
Conguring an EdgePort.............................................................................................................................................. 568
Flush MAC Addresses after a Topology Change....................................................................................................... 568
MSTP Sample Congurations......................................................................................................................................569
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................569
Debugging and Verifying MSTP Congurations.........................................................................................................573
32 Multicast Features................................................................................................................................... 575
Enabling IP Multicast.....................................................................................................................................................575
Implementation Information..........................................................................................................................................575
Multicast Policies........................................................................................................................................................... 576
IPv4 Multicast Policies............................................................................................................................................ 576
Understanding Multicast Traceroute (mtrace).......................................................................................................... 583
Important Points to Remember............................................................................................................................. 584
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 584
Supported Error Codes.................................................................................................................................................585
mtrace Scenarios...........................................................................................................................................................586
33 Object Tracking........................................................................................................................................592
Object Tracking Overview............................................................................................................................................ 592
Track Layer 2 Interfaces..........................................................................................................................................593
Track Layer 3 Interfaces..........................................................................................................................................593
Track IPv4 and IPv6 Routes................................................................................................................................... 594
Set Tracking Delays................................................................................................................................................. 595
VRRP Object Tracking............................................................................................................................................ 595
Object Tracking Conguration..................................................................................................................................... 595
Tracking a Layer 2 Interface................................................................................................................................... 595
Tracking a Layer 3 Interface................................................................................................................................... 596
Track an IPv4/IPv6 Route...................................................................................................................................... 598
Displaying Tracked Objects........................................................................................................................................... 601
34 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................603
Protocol Overview.........................................................................................................................................................603
20
Contents
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