OS9

Dell OS9 Owner's manual

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Dell EMC Networking Configuration Guide
for the C9010 Series
Version 9.14.2.1
June 2019
Rev. A00
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
NOTE: A WARNING indicates a potential for property damage, personal injury, or death.
© 2018 - 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide.........................................................................................................32
Audience.............................................................................................................................................................................. 32
Conventions........................................................................................................................................................................32
Related Documents...........................................................................................................................................................32
Chapter 2: Configuration Fundamentals...................................................................................... 33
Accessing the Command Line........................................................................................................................................ 33
CLI Modes........................................................................................................................................................................... 33
Navigating CLI Modes................................................................................................................................................ 35
The do Command.............................................................................................................................................................. 37
Undoing Commands..........................................................................................................................................................38
Obtaining Help....................................................................................................................................................................39
Entering and Editing Commands................................................................................................................................... 39
Command History..............................................................................................................................................................40
Filtering show Command Outputs.................................................................................................................................40
Multiple Users in Configuration Mode..........................................................................................................................42
Chapter 3: Getting Started..........................................................................................................43
Console Access..................................................................................................................................................................43
Serial Console............................................................................................................................................................... 43
Mounting an NFS File System........................................................................................................................................44
Default Configuration....................................................................................................................................................... 46
Configuring a Host Name................................................................................................................................................46
Accessing the System Remotely................................................................................................................................... 46
Configure the Management Port IP Address....................................................................................................... 46
Configure a Management Route..............................................................................................................................47
Configuring a Username and Password................................................................................................................. 47
Configuring the Enable Password................................................................................................................................. 48
Manage Configuration Files............................................................................................................................................ 48
File Storage...................................................................................................................................................................48
Copy Files to and from the System........................................................................................................................ 49
Save the Running-Configuration............................................................................................................................. 50
Configure the Overload Bit for a Startup Scenario............................................................................................ 50
Viewing Files.................................................................................................................................................................50
Changes in Configuration Files................................................................................................................................. 51
Viewing Command History...............................................................................................................................................51
Upgrading the Dell Networking OS...............................................................................................................................52
Chapter 4: Switch Management.................................................................................................. 53
Configuring Privilege Levels........................................................................................................................................... 53
Removing a Command from EXEC Mode..............................................................................................................54
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 54
Allowing Access to CONFIGURATION Mode Commands................................................................................. 54
Allowing Access to the Following Modes.............................................................................................................. 54
Contents
Contents 3
Applying a Privilege Level to a Username............................................................................................................. 56
Applying a Privilege Level to a Terminal Line....................................................................................................... 56
Configuring Logging......................................................................................................................................................... 56
Audit and Security Logs.............................................................................................................................................56
Configuring Logging Format .............................................................................................................................58
Setting Up a Secure Connection to a Syslog Server................................................................................ 58
Track Login Activity..........................................................................................................................................................60
Restrictions for Tracking Login Activity................................................................................................................ 60
Configuring Login Activity Tracking........................................................................................................................60
Display Login Statistics.............................................................................................................................................. 60
Limit Concurrent Login Sessions...................................................................................................................................62
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 62
Configuring Concurrent Session Limit....................................................................................................................62
Enabling the System to Clear Existing Sessions.................................................................................................. 62
Enabling Secured CLI Mode............................................................................................................................................63
Log Messages in the Internal Buffer............................................................................................................................ 63
Disabling System Logging............................................................................................................................................... 64
Sending System Messages to a Syslog Server.......................................................................................................... 64
Configuring a UNIX System as a Syslog Server...................................................................................................64
Display the Logging Buffer and the Logging Configuration....................................................................................65
Changing System Logging Settings..............................................................................................................................65
Configuring a UNIX Logging Facility Level..................................................................................................................66
Synchronizing Log Messages......................................................................................................................................... 67
Enabling Timestamp on Syslog Messages................................................................................................................... 67
File Transfer Services.......................................................................................................................................................68
Enabling the FTP Server............................................................................................................................................68
Configuring FTP Server Parameters...................................................................................................................... 68
Configuring FTP Client Parameters........................................................................................................................ 69
Terminal Lines.................................................................................................................................................................... 69
Denying and Permitting Access to a Terminal Line.............................................................................................69
Configuring Login Authentication for Terminal Lines......................................................................................... 70
Setting Time Out of EXEC Privilege Mode................................................................................................................. 70
Using Telnet to Access Another Network Device......................................................................................................71
Lock CONFIGURATION Mode........................................................................................................................................ 71
LPC Bus Quality Degradation......................................................................................................................................... 72
Recovering from a Forgotten Password .................................................................................................................... 73
Ignoring the Startup Configuration and Booting from the Factory-Default Configuration.............................74
Recovering from a Failed Start...................................................................................................................................... 74
Restoring Factory-Default Settings..............................................................................................................................74
Restoring Factory-Default Boot Environment Variables....................................................................................75
Using Hashes to Verify Software Images Before Installation..................................................................... 76
Verifying System Images on C9010 Components......................................................................................................77
When System Images on C9010 Components Do Not Match..........................................................................78
Manually Resetting the System Image on a C9010 Component...................................................................... 78
Logging in to the Virtual Console of a C9010 Component................................................................................ 79
Booting the C9010 from an Image on a Network Server...................................................................................79
Configuring C9010 Components to Boot from the RPM CP Image................................................................79
Viewing the Reason for Last System Reboot............................................................................................................ 80
Chapter 5: 802.1X........................................................................................................................ 81
4
Contents
The Port-Authentication Process................................................................................................................................. 83
EAP over RADIUS........................................................................................................................................................84
Configuring 802.1X............................................................................................................................................................84
Important Points to Remember..................................................................................................................................... 84
Enabling 802.1X................................................................................................................................................................. 85
Configuring dot1x Profile ................................................................................................................................................ 87
Configuring MAC addresses for a do1x Profile...........................................................................................................87
Configuring the Static MAB and MAB Profile ...........................................................................................................88
Configuring Critical VLAN .............................................................................................................................................. 89
Configuring Request Identity Re-Transmissions....................................................................................................... 89
Configuring a Quiet Period after a Failed Authentication....................................................................................... 90
Forcibly Authorizing or Unauthorizing a Port..............................................................................................................91
Re-Authenticating a Port................................................................................................................................................. 91
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 92
Guest and Authentication-Fail VLANs......................................................................................................................... 93
Configuring a Guest VLAN........................................................................................................................................ 94
Configuring an Authentication-Fail VLAN............................................................................................................. 94
Configuring Timeouts................................................................................................................................................. 96
Multi-Host Authentication.............................................................................................................................................. 96
Multi-Supplicant Authentication....................................................................................................................................99
MAC Authentication Bypass......................................................................................................................................... 100
MAB in Single-host and Multi-Host Mode...........................................................................................................100
MAB in Multi-Supplicant Authentication Mode...................................................................................................101
Configuring MAC Authentication Bypass............................................................................................................. 101
Dynamic CoS with 802.1X............................................................................................................................................. 102
Chapter 6: Access Control Lists (ACLs)..................................................................................... 104
IP Access Control Lists (ACLs)....................................................................................................................................104
CAM Usage................................................................................................................................................................. 105
User-Configurable CAM Allocation........................................................................................................................106
Allocating CAM for Ingress ACLs on the Port Extender.................................................................................. 106
Allocating CAM for Egress ACLs on the Port Extender................................................................................... 107
Implementing ACLs on Dell EMC Networking OS..............................................................................................108
ACL Optimization to Increase Number of Supported IPv4 ACLs........................................................................ 109
Optimizing ACL for More Number of IPv4 ACL Rules.......................................................................................110
IP Fragment Handling......................................................................................................................................................110
IP Fragments ACL Examples.................................................................................................................................... 111
Layer 4 ACL Rules Examples.................................................................................................................................... 111
Configure a Standard IP ACL........................................................................................................................................ 112
Configuring a Standard IP ACL Filter.....................................................................................................................113
Configure an Extended IP ACL..................................................................................................................................... 113
Configuring Filters with a Sequence Number...................................................................................................... 114
Configuring Filters Without a Sequence Number............................................................................................... 115
Configure Layer 2 and Layer 3 ACLs...........................................................................................................................115
Using ACL VLAN Groups................................................................................................................................................ 116
Guidelines for Configuring ACL VLAN Groups.................................................................................................... 116
Configuring an ACL VLAN Group............................................................................................................................117
Allocating ACL VLAN CAM.......................................................................................................................................117
Applying an IP ACL...........................................................................................................................................................118
Applying Ingress ACLs on the Port Extender...................................................................................................... 118
Contents
5
Applying Egress ACLs................................................................................................................................................119
Applying Layer 3 Egress ACLs on Control-Plane Traffic.................................................................................. 119
Counting ACL Hits.....................................................................................................................................................120
IP Prefix Lists....................................................................................................................................................................120
Configuration Task List for Prefix Lists.................................................................................................................121
ACL Remarks.................................................................................................................................................................... 124
Configuring a Remark............................................................................................................................................... 124
Deleting a Remark......................................................................................................................................................124
ACL Resequencing.......................................................................................................................................................... 125
Resequencing an ACL or Prefix List......................................................................................................................125
Route Maps.......................................................................................................................................................................126
Important Points to Remember.................................................................................................................................... 127
Configuration Task List for Route Maps.............................................................................................................. 127
Configuring Match Routes...................................................................................................................................... 129
Configuring Set Conditions..................................................................................................................................... 130
Configure a Route Map for Route Redistribution............................................................................................... 131
Configure a Route Map for Route Tagging.......................................................................................................... 131
Continue Clause......................................................................................................................................................... 132
Configuring a UDF ACL.................................................................................................................................................. 132
Hot-Lock Behavior.......................................................................................................................................................... 134
Chapter 7: Bidirectional Forwarding Detection (BFD).................................................................135
How BFD Works...............................................................................................................................................................135
BFD Packet Format...................................................................................................................................................136
BFD Sessions...............................................................................................................................................................137
BFD Three-Way Handshake.................................................................................................................................... 138
Session State Changes.............................................................................................................................................139
Important Points to Remember....................................................................................................................................139
Configure BFD.................................................................................................................................................................. 139
Configure BFD for Physical Ports..........................................................................................................................140
Configure BFD for Static Routes............................................................................................................................141
Configure BFD for IPv6 Static Routes................................................................................................................. 144
Configure BFD for OSPF......................................................................................................................................... 145
Configure BFD for OSPFv3.....................................................................................................................................150
Configure BFD for IS-IS........................................................................................................................................... 152
Configure BFD for BGP............................................................................................................................................154
Configure BFD for VRRP......................................................................................................................................... 160
Configuring Protocol Liveness................................................................................................................................162
Chapter 8: Border Gateway Protocol IPv4 (BGPv4)....................................................................163
Autonomous Systems (AS)........................................................................................................................................... 163
Sessions and Peers......................................................................................................................................................... 165
Establish a Session.................................................................................................................................................... 165
Route Reflectors..............................................................................................................................................................166
BGP Attributes................................................................................................................................................................. 167
Best Path Selection Criteria.................................................................................................................................... 167
Weight.......................................................................................................................................................................... 169
Local Preference........................................................................................................................................................169
Multi-Exit Discriminators (MEDs).......................................................................................................................... 170
6
Contents
Origin..............................................................................................................................................................................171
AS Path......................................................................................................................................................................... 171
Next Hop...................................................................................................................................................................... 172
Multiprotocol BGP........................................................................................................................................................... 172
Implement BGP ............................................................................................................................................................... 172
Advertise IGP Cost as MED for Redistributed Routes..................................................................................... 173
Ignore Router-ID for Some Best-Path Calculations.......................................................................................... 173
Four-Byte AS Numbers.............................................................................................................................................173
AS4 Number Representation...................................................................................................................................174
AS Number Migration................................................................................................................................................175
BGP4 Management Information Base (MIB)...................................................................................................... 176
Important Points to Remember.............................................................................................................................. 177
Configuration Information..............................................................................................................................................177
BGP Configuration...........................................................................................................................................................178
Enabling BGP.............................................................................................................................................................. 178
Configuring AS4 Number Representations.......................................................................................................... 181
Configuring Peer Groups..........................................................................................................................................183
Configuring BGP Fast Fail-Over.............................................................................................................................185
Configuring Passive Peering................................................................................................................................... 186
Maintaining Existing AS Numbers During an AS Migration..............................................................................187
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 187
Filtering on an AS-Path Attribute.......................................................................................................................... 188
Regular Expressions as Filters................................................................................................................................ 189
Redistributing Routes............................................................................................................................................... 190
Enabling Additional Paths......................................................................................................................................... 191
Configuring IP Community Lists..............................................................................................................................191
Configuring an IP Extended Community List...................................................................................................... 192
Filtering Routes with Community Lists.................................................................................................................193
Manipulating the COMMUNITY Attribute............................................................................................................194
Changing MED Attributes........................................................................................................................................195
Changing the LOCAL_PREFERENCE Attribute.................................................................................................195
Configuring the local System or a Different System to be the Next Hop for BGP-Learned Routes....196
Changing the WEIGHT Attribute........................................................................................................................... 196
Enabling Multipath..................................................................................................................................................... 197
Filtering BGP Routes.................................................................................................................................................197
Filtering BGP Routes Using Route Maps............................................................................................................. 198
Filtering BGP Routes Using AS-PATH Information........................................................................................... 198
Configuring BGP Route Reflectors....................................................................................................................... 199
Aggregating Routes...................................................................................................................................................199
Configuring BGP Confederations..........................................................................................................................200
Enabling Route Flap Dampening............................................................................................................................200
Changing BGP Timers..............................................................................................................................................202
Setting the extended timer.....................................................................................................................................203
Enabling BGP Neighbor Soft-Reconfiguration...................................................................................................203
Enabling or disabling BGP neighbors....................................................................................................................204
Route Map Continue................................................................................................................................................ 205
Enabling MBGP Configurations................................................................................................................................... 206
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor.................................. 206
BGP Regular Expression Optimization.......................................................................................................................207
Debugging BGP............................................................................................................................................................... 207
Contents
7
Storing Last and Bad PDUs.................................................................................................................................... 208
Capturing PDUs.........................................................................................................................................................208
PDU Counters.............................................................................................................................................................210
Sample Configurations................................................................................................................................................... 210
Chapter 9: Content Addressable Memory (CAM)........................................................................218
CAM Allocation.................................................................................................................................................................218
Test CAM Usage..............................................................................................................................................................219
View CAM-ACL Settings...............................................................................................................................................220
View CAM Usage............................................................................................................................................................. 221
Configuring CAM Threshold and Silence Period...................................................................................................... 221
Return to the Default CAM Configuration................................................................................................................222
CAM Optimization...........................................................................................................................................................223
Applications for CAM Profiling.....................................................................................................................................223
Unified Forwarding Table (UFT) Modes....................................................................................................................223
Configuring UFT Modes.......................................................................................................................................... 224
Chapter 10: Control Plane Policing (CoPP)................................................................................225
CoPP Implementation.................................................................................................................................................... 225
CoPP Example..................................................................................................................................................................227
Configure Control Plane Policing................................................................................................................................ 228
Configuring CoPP for Protocols............................................................................................................................228
Examples of Configuring CoPP for Protocols.................................................................................................... 229
Configuring CoPP for CPU Queues......................................................................................................................230
Examples of Configuring CoPP for CPU Queues...............................................................................................231
Displaying CoPP Configuration...............................................................................................................................231
Troubleshooting CoPP Operation............................................................................................................................... 234
Chapter 11: Data Center Bridging (DCB).................................................................................... 242
Enabling Data Center Bridging.....................................................................................................................................242
Ethernet Enhancements in Data Center Bridging...................................................................................................243
Priority-Based Flow Control................................................................................................................................... 243
Enhanced Transmission Selection.........................................................................................................................244
Data Center Bridging Exchange Protocol (DCBx)............................................................................................245
Data Center Bridging in a Traffic Flow................................................................................................................ 246
QoS dot1p Traffic Classification and Queue Assignment......................................................................................246
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................247
DCB Maps and its Attributes....................................................................................................................................... 248
Applying a DCB Map on a Line Card..................................................................................................................... 251
Data Center Bridging: Default Configuration............................................................................................................251
Configuration Notes: PFC and ETS in a DCB Map.................................................................................................252
Configuring Priority-Based Flow Control.................................................................................................................. 254
Configuring Lossless Queues................................................................................................................................. 254
Configuring Enhanced Transmission Selection........................................................................................................255
Creating an ETS Priority Group.............................................................................................................................255
ETS Operation with DCBx...................................................................................................................................... 256
Configure a DCBx Operation........................................................................................................................................256
DCBx Operation.........................................................................................................................................................257
DCBx Port Roles........................................................................................................................................................257
8
Contents
DCB Configuration Exchange................................................................................................................................ 258
Configuration Source Election............................................................................................................................... 258
Propagation of DCB Information...........................................................................................................................259
Auto-Detection and Manual Configuration of the DCBx Version..................................................................259
Behavior of Tagged Packets.................................................................................................................................. 260
Configuration Example for DSCP and PFC Priorities.......................................................................................260
DCBx Example............................................................................................................................................................ 261
DCBx Prerequisites and Restrictions.................................................................................................................... 261
Configuring DCBx......................................................................................................................................................262
Verifying the DCB Configuration................................................................................................................................ 265
Performing PFC Using DSCP Bits Instead of 802.1p Bits..................................................................................... 274
PFC and ETS Configuration Examples.......................................................................................................................275
Using PFC and ETS to Manage Data Center Traffic..............................................................................................275
Using PFC and ETS to Manage Converged Ethernet Traffic.........................................................................276
Hierarchical Scheduling in ETS Output Policies................................................................................................. 277
Priority-Based Flow Control Using Dynamic Buffer Method................................................................................277
Configuring the Dynamic Buffer Method.................................................................................................................. 278
Chapter 12: Debugging and Diagnostics..................................................................................... 280
Offline Diagnostics......................................................................................................................................................... 280
Running Port Extender Offline Diagnostics on the Switch.............................................................................280
Running Offline Diagnostics on a Standalone Switch...................................................................................... 286
TRACE Logs..................................................................................................................................................................... 306
Auto Save on Reload, Crash, or Rollover............................................................................................................ 306
Uploading Trace Logs.............................................................................................................................................. 306
Last Restart Reason.......................................................................................................................................................307
show hardware Commands.......................................................................................................................................... 307
Environmental Monitoring.............................................................................................................................................309
Displaying Port Extender Environment Information ......................................................................................... 310
Display Power Supply Status.................................................................................................................................. 310
Display Fan Status......................................................................................................................................................311
Display Transceiver Type..........................................................................................................................................311
Recognize an Over-Temperature Condition........................................................................................................313
Troubleshoot an Over-Temperature Condition.................................................................................................. 313
Troubleshooting Packet Loss....................................................................................................................................... 315
Displaying Drop Counters.........................................................................................................................................316
Displaying Dataplane Statistics...............................................................................................................................317
Displaying Line-Card Counters............................................................................................................................... 318
Accessing Application Core Dumps.............................................................................................................................319
Mini Core Dumps.............................................................................................................................................................320
Full Kernel Core Dumps................................................................................................................................................. 320
Enabling TCP Dumps...................................................................................................................................................... 321
Accessing Port Extender Core and Mini Core Dumps............................................................................................ 321
Chapter 13: Dynamic Host Configuration Protocol (DHCP)........................................................ 322
DHCP Packet Format and Options.............................................................................................................................322
Assign an IP Address using DHCP.............................................................................................................................. 323
Implementation Information..........................................................................................................................................324
Configure the System to be a DHCP Server........................................................................................................... 325
Contents
9
Configuring the Server for Automatic Address Allocation..............................................................................325
Specifying a Default Gateway................................................................................................................................326
Configure a Method of Hostname Resolution....................................................................................................327
Using DNS for Address Resolution....................................................................................................................... 327
Using NetBIOS WINS for Address Resolution....................................................................................................327
Creating Manual Binding Entries........................................................................................................................... 327
Debugging the DHCP Server..................................................................................................................................328
Using DHCP Clear Commands............................................................................................................................... 328
Configure the System to be a Relay Agent.............................................................................................................. 328
Configure the System to be a DHCP Client............................................................................................................. 330
DHCP Client on a Management Interface...........................................................................................................330
DHCP Client Operation with Other Features.....................................................................................................330
DHCP Relay When DHCP Server and Client are in Different VRFs.................................................................... 331
Configuring Route Leaking between VRFs on DHCP Relay Agent................................................................331
Non-default VRF configuration for DHCPv6 helper address............................................................................... 332
Configuring DHCP relay source interface.................................................................................................................333
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................333
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................333
Configure Secure DHCP................................................................................................................................................334
Option 82.................................................................................................................................................................... 334
DHCPv6 relay agent options.................................................................................................................................. 335
DHCP Snooping.........................................................................................................................................................335
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 337
Dynamic ARP Inspection......................................................................................................................................... 338
Configuring Dynamic ARP Inspection...................................................................................................................339
Source Address Validation............................................................................................................................................ 339
Enabling IP Source Address Validation................................................................................................................ 340
DHCP MAC Source Address Validation...............................................................................................................340
Enabling IP+MAC Source Address Validation..................................................................................................... 341
Viewing the Number of SAV Dropped Packets.................................................................................................. 341
Clearing the Number of SAV Dropped Packets..................................................................................................341
Chapter 14: Equal Cost Multi-Path (ECMP)............................................................................... 343
ECMP for Flow-Based Affinity.................................................................................................................................... 343
Enabling Deterministic ECMP Next Hop............................................................................................................. 343
Configuring the Hash Algorithm Seed..................................................................................................................343
Link Bundle Monitoring............................................................................................................................................ 344
Managing ECMP Group Paths.....................................................................................................................................344
Creating an ECMP Group Bundle............................................................................................................................... 345
Modifying the ECMP Group Threshold..................................................................................................................... 345
BGP Multipath Operation with Link Bankwidth.......................................................................................................345
Dynamic Re-calculation of Link Bankwidth...............................................................................................................347
Weighted ECMP for Static Routes.............................................................................................................................347
ECMP Support in L3 Host and LPM Tables............................................................................................................. 348
Chapter 15: FCoE Transit...........................................................................................................349
Fibre Channel over Ethernet........................................................................................................................................ 349
Ensure Robustness in a Converged Ethernet Network.........................................................................................349
FIP Snooping on Ethernet Bridges.............................................................................................................................. 351
10
Contents
FIP Snooping in a Switch Stack.................................................................................................................................. 352
Using FIP Snooping........................................................................................................................................................ 353
FIP Snooping Prerequisites.....................................................................................................................................353
Important Points to Remember............................................................................................................................. 353
Enabling the FCoE Transit Feature.......................................................................................................................354
Enable FIP Snooping on VLANs.............................................................................................................................354
Configure the FC-MAP Value................................................................................................................................ 354
Configure a Port for a Bridge-to-Bridge Link.................................................................................................... 354
Configure a Port for a Bridge-to-FCF Link.........................................................................................................355
Impact on Other Software Features.................................................................................................................... 355
FIP Snooping Restrictions.......................................................................................................................................355
Configuring FIP Snooping............................................................................................................................................. 355
Displaying FIP Snooping Information..........................................................................................................................356
FCoE Transit Configuration Example..........................................................................................................................361
Chapter 16: FIPS Cryptography................................................................................................. 363
Configuration Tasks........................................................................................................................................................363
Preparing the System.................................................................................................................................................... 363
Enabling FIPS Mode....................................................................................................................................................... 363
Generating Host-Keys................................................................................................................................................... 364
Monitoring FIPS Mode Status..................................................................................................................................... 364
Disabling FIPS Mode...................................................................................................................................................... 365
Chapter 17: Flex Hash and Optimized Boot-Up...........................................................................366
Flex Hash Capability Overview.................................................................................................................................... 366
Configuring the Flex Hash Mechanism......................................................................................................................366
LACP Fast Switchover...................................................................................................................................................367
Configuring LACP Fast Switchover............................................................................................................................367
LACP.................................................................................................................................................................................. 367
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 367
Sample Configurations...................................................................................................................................................369
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 372
Chapter 18: Force10 Resilient Ring Protocol (FRRP)..................................................................373
Protocol Overview.......................................................................................................................................................... 373
Ring Status................................................................................................................................................................. 374
Multiple FRRP Rings.................................................................................................................................................374
Important FRRP Points............................................................................................................................................375
Implementing FRRP.................................................................................................................................................. 375
Important FRRP Concepts......................................................................................................................................375
FRRP Configuration........................................................................................................................................................376
Creating the FRRP Group....................................................................................................................................... 376
Configuring the Control VLAN............................................................................................................................... 377
Configuring and Adding the Member VLANs..................................................................................................... 378
Setting the FRRP Timers........................................................................................................................................ 378
Clearing the FRRP Counters.................................................................................................................................. 379
Viewing the FRRP Configuration...........................................................................................................................379
Viewing the FRRP Information...............................................................................................................................379
Troubleshooting FRRP...................................................................................................................................................379
Contents
11
Sample Configuration and Topology.......................................................................................................................... 380
FRRP Support on VLT.................................................................................................................................................... 381
Chapter 19: GARP VLAN Registration Protocol (GVRP)............................................................. 384
Configure GVRP..............................................................................................................................................................385
Enabling GVRP Globally.................................................................................................................................................385
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 386
Configure GVRP Registration...................................................................................................................................... 386
Configure a GARP Timer............................................................................................................................................... 387
Chapter 20: High Availability (HA).............................................................................................388
High Availability on Chassis.......................................................................................................................................... 388
High Availability in a PE Stack..................................................................................................................................... 388
Online Insertion and Removal.......................................................................................................................................388
Hitless Behavior...............................................................................................................................................................390
Graceful Restart...............................................................................................................................................................391
Software Resiliency.........................................................................................................................................................391
System Health Monitoring.......................................................................................................................................391
Failure and Event Logging....................................................................................................................................... 391
Trace Log.....................................................................................................................................................................391
Core Dumps.................................................................................................................................................................391
System Log.................................................................................................................................................................392
Control Plane Redundancy........................................................................................................................................... 392
Control-Plane Failover............................................................................................................................................. 392
RPM Synchronization...............................................................................................................................................393
Forcing an RPM Failover.........................................................................................................................................393
Specifying an Auto-Failover Limit......................................................................................................................... 393
Disabling Auto-Reboot............................................................................................................................................. 394
Chapter 21: Internet Group Management Protocol (IGMP)........................................................ 395
IGMP Protocol Overview.............................................................................................................................................. 395
IGMP Version 2..........................................................................................................................................................395
IGMP Version 3..........................................................................................................................................................397
Configure IGMP...............................................................................................................................................................399
Viewing IGMP Enabled Interfaces.............................................................................................................................. 400
Selecting an IGMP Version...........................................................................................................................................400
Viewing IGMP Groups.................................................................................................................................................... 401
Enabling IGMP Immediate-Leave.................................................................................................................................401
IGMP Snooping................................................................................................................................................................ 401
Configuring IGMP Snooping................................................................................................................................... 402
Removing a Group-Port Association.................................................................................................................... 402
Disabling Multicast Flooding................................................................................................................................... 402
Specifying a Port as Connected to a Multicast Router................................................................................... 403
Configuring the Switch as Querier........................................................................................................................403
Fast Convergence after MSTP Topology Changes................................................................................................404
Designating a Multicast Router Interface................................................................................................................. 404
Chapter 22: Interfaces.............................................................................................................. 405
Port Numbering...............................................................................................................................................................406
12
Contents
Interface Types............................................................................................................................................................... 408
View Basic Interface Information................................................................................................................................409
Resetting an Interface to its Factory Default State................................................................................................414
Enabling a Physical Interface........................................................................................................................................ 415
Physical Interfaces.......................................................................................................................................................... 415
Port Pipes.................................................................................................................................................................... 415
Setting the Speed of Ethernet Interfaces........................................................................................................... 415
Configuration Task List for Physical Interfaces................................................................................................. 416
Overview of Layer Modes........................................................................................................................................416
Configuring Layer 2 (Data Link) Mode................................................................................................................. 417
Configuring Layer 2 (Interface) Mode..................................................................................................................417
Configuring Layer 3 (Network) Mode...................................................................................................................417
Configuring Layer 3 (Interface) Mode..................................................................................................................418
Egress Interface Selection (EIS)..................................................................................................................................418
Configuring EIS...........................................................................................................................................................419
Management Interfaces................................................................................................................................................. 419
Configuring a Dedicated Management Interface ..............................................................................................419
Configuring a Management Interface on an Ethernet Port............................................................................420
Port Extender Interfaces............................................................................................................................................... 421
VLAN Interfaces.............................................................................................................................................................. 422
Loopback Interfaces.......................................................................................................................................................422
Null Interfaces..................................................................................................................................................................423
Port Channel Interfaces................................................................................................................................................ 423
Port Channel Definition and Standards............................................................................................................... 423
Port Channel Benefits..............................................................................................................................................423
Port Channel Implementation.................................................................................................................................423
10/40 Gbps Interfaces in Port Channels............................................................................................................. 424
Configuration Tasks for Port Channel Interfaces..............................................................................................424
Creating a Port Channel.......................................................................................................................................... 424
Adding a Physical Interface to a Port Channel.................................................................................................. 425
Reassigning an Interface to a New Port Channel............................................................................................. 426
Configuring the Minimum Oper Up Links in a Port Channel........................................................................... 427
Adding or Removing a Port Channel from a VLAN........................................................................................... 427
Assigning an IP Address to a Port Channel........................................................................................................ 428
Deleting or Disabling a Port Channel....................................................................................................................428
Load Balancing Through Port Channels.............................................................................................................. 428
Changing the Hash Algorithm................................................................................................................................ 429
Bulk Configuration.......................................................................................................................................................... 429
Interface Range......................................................................................................................................................... 429
Bulk Configuration Examples..................................................................................................................................430
Defining Interface Range Macros................................................................................................................................ 431
Define the Interface Range.....................................................................................................................................432
Choosing an Interface-Range Macro................................................................................................................... 432
Monitoring and Maintaining Interfaces...................................................................................................................... 432
Maintenance Using TDR..........................................................................................................................................433
Displaying Traffic Statistics on HiGig Ports............................................................................................................. 433
Link Bundle Monitoring.................................................................................................................................................. 434
Monitoring HiGig Link Bundles.....................................................................................................................................434
Enabling HiGig Link-Bundle Monitoring............................................................................................................... 436
Non Dell-Qualified Transceivers.................................................................................................................................. 436
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Splitting QSFP Ports to SFP+ Ports.......................................................................................................................... 437
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port........................................................................ 437
Configuring wavelength for 10–Gigabit SFP+ optics.............................................................................................438
Link Dampening............................................................................................................................................................... 439
Enabling Link Dampening.........................................................................................................................................439
Using Ethernet Pause Frames for Flow Control...................................................................................................... 441
Threshold Settings.....................................................................................................................................................441
Enabling Pause Frames............................................................................................................................................ 442
Configure the MTU Size on an Interface.................................................................................................................. 442
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 443
Set Auto-Negotiation Options............................................................................................................................... 443
Provisioning Combo Ports............................................................................................................................................ 444
View Advanced Interface Information....................................................................................................................... 444
Configuring the Interface Sampling Size.............................................................................................................445
Configuring the Traffic Sampling Size Globally....................................................................................................... 446
Dynamic Counters...........................................................................................................................................................447
Clearing Interface Counters................................................................................................................................... 448
Chapter 23: Internet Protocol Security (IPSec).........................................................................449
Configuring IPSec ..........................................................................................................................................................449
Chapter 24: IPv4 Routing...........................................................................................................451
IP Addresses..................................................................................................................................................................... 451
Configuration Tasks for IP Addresses........................................................................................................................452
Assigning IP Addresses to an Interface.....................................................................................................................452
Configuring Static Routes............................................................................................................................................ 453
Configure Static Routes for the Management Interface...................................................................................... 454
Enabling Directed Broadcast........................................................................................................................................454
Resolution of Host Names............................................................................................................................................ 454
Enabling Dynamic Resolution of Host Names.......................................................................................................... 454
Specifying the Local System Domain and a List of Domains............................................................................... 455
Configuring DNS with Traceroute.............................................................................................................................. 455
ARP.................................................................................................................................................................................... 456
Configuration Tasks for ARP..................................................................................................................................456
Configuring Static ARP Entries............................................................................................................................. 456
Configuring ARP Inspection Trust.........................................................................................................................457
Configuring ARP Timeout........................................................................................................................................457
Enabling Proxy ARP..................................................................................................................................................458
Clearing ARP Cache................................................................................................................................................. 458
ARP Learning via Gratuitous ARP.........................................................................................................................458
Enabling ARP Learning via Gratuitous ARP........................................................................................................458
ARP Learning via ARP Request.............................................................................................................................459
Configuring ARP Retries......................................................................................................................................... 459
ICMP.................................................................................................................................................................................. 460
Configuration Tasks for ICMP............................................................................................................................... 460
Enabling ICMP Unreachable Messages............................................................................................................... 460
ICMP Redirects............................................................................................................................................................... 460
Chapter 25: IPv6 Routing.......................................................................................................... 462
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Protocol Overview..........................................................................................................................................................462
Extended Address Space........................................................................................................................................ 462
Stateless Autoconfiguration................................................................................................................................... 462
IPv6 Headers..............................................................................................................................................................463
IPv6 Header Fields....................................................................................................................................................464
Extension Header Fields.......................................................................................................................................... 465
IPv6 Addressing.........................................................................................................................................................466
IPv6 Implementation on the Dell Networking OS....................................................................................................467
Configuring the LPM Table for IPv6 Extended Prefixes....................................................................................... 468
ICMPv6..............................................................................................................................................................................469
Path MTU Discovery......................................................................................................................................................469
IPv6 Neighbor Discovery...............................................................................................................................................470
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 470
Configuring the IPv6 Recursive DNS Server......................................................................................................470
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................472
Configuration Tasks for IPv6........................................................................................................................................472
Adjusting Your CAM Profile.................................................................................................................................... 473
Assigning an IPv6 Address to an Interface......................................................................................................... 473
Assigning a Static IPv6 Route................................................................................................................................474
Configuring Telnet with IPv6..................................................................................................................................474
SNMP over IPv6........................................................................................................................................................474
Displaying IPv6 Information.................................................................................................................................... 475
Displaying an IPv6 Configuration...........................................................................................................................475
Displaying IPv6 Routes............................................................................................................................................ 476
Displaying the Running Configuration for an Interface.................................................................................... 477
Clearing IPv6 Routes................................................................................................................................................ 477
Disabling ND Entry Timeout....................................................................................................................................477
Configuring IPv6 RA Guard...........................................................................................................................................478
Configuring IPv6 RA Guard on an Interface....................................................................................................... 479
Monitoring IPv6 RA Guard......................................................................................................................................480
Chapter 26: Intermediate System to Intermediate System......................................................... 481
IS-IS Protocol Overview.................................................................................................................................................481
IS-IS Addressing...............................................................................................................................................................481
Multi-Topology IS-IS...................................................................................................................................................... 482
Transition Mode.........................................................................................................................................................482
Interface Support......................................................................................................................................................482
Adjacencies.................................................................................................................................................................482
Graceful Restart..............................................................................................................................................................483
Timers.......................................................................................................................................................................... 483
Implementation Information..........................................................................................................................................483
Configuration Information.............................................................................................................................................484
Configuration Tasks for IS-IS.................................................................................................................................484
Configuring the Distance of a Route.....................................................................................................................491
Changing the IS-Type............................................................................................................................................... 491
Redistributing IPv4 Routes..................................................................................................................................... 494
Redistributing IPv6 Routes.....................................................................................................................................494
Configuring Authentication Passwords............................................................................................................... 495
Setting the Overload Bit......................................................................................................................................... 495
Debugging IS-IS.........................................................................................................................................................496
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IS-IS Metric Styles..........................................................................................................................................................497
Configure Metric Values................................................................................................................................................497
Maximum Values in the Routing Table................................................................................................................. 497
Change the IS-IS Metric Style in One Level Only............................................................................................. 497
Leaks from One Level to Another.........................................................................................................................499
Sample Configurations...................................................................................................................................................499
Chapter 27: iSCSI Optimization.................................................................................................502
iSCSI Optimization Overview.......................................................................................................................................502
Default iSCSI Optimization Values..............................................................................................................................504
iSCSI Optimization Prerequisites................................................................................................................................ 504
Configuring iSCSI Optimization...................................................................................................................................504
Displaying iSCSI Optimization Information............................................................................................................... 506
Enable and Disable iSCSI Optimization......................................................................................................................507
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer................................................................ 508
Monitoring iSCSI Traffic Flows................................................................................................................................... 508
Information Monitored in iSCSI Traffic Flows......................................................................................................... 508
Detection and Auto-Configuration for Dell EqualLogic Arrays............................................................................ 509
Configuring Detection and Ports for Dell Compellent Arrays.............................................................................. 509
Application of Quality of Service to iSCSI Traffic Flows....................................................................................... 510
Chapter 28: Link Aggregation Control Protocol (LACP).............................................................. 511
Introduction to Dynamic LAGs and LACP.................................................................................................................. 511
Important Points to Remember...............................................................................................................................511
LACP Modes............................................................................................................................................................... 512
Configuring LACP Commands................................................................................................................................ 512
LACP Configuration Tasks............................................................................................................................................ 512
Creating a LAG........................................................................................................................................................... 513
Configuring the LAG Interfaces as Dynamic....................................................................................................... 513
Setting the LACP Long Timeout............................................................................................................................ 513
Monitoring and Debugging LACP...........................................................................................................................514
Shared LAG State Tracking.......................................................................................................................................... 514
Configuring Shared LAG State Tracking..............................................................................................................515
Important Points about Shared LAG State Tracking........................................................................................ 516
LACP Basic Configuration Example.............................................................................................................................517
Configure a LAG on ALPHA.....................................................................................................................................517
Chapter 29: Layer 2................................................................................................................... 526
Manage the MAC Address Table................................................................................................................................ 526
Clearing the MAC Address Table.......................................................................................................................... 526
Setting the Aging Time for Dynamic Entries...................................................................................................... 526
Configuring a Static MAC Address....................................................................................................................... 527
Displaying the MAC Address Table.......................................................................................................................527
MAC Learning Limit........................................................................................................................................................ 527
Setting the MAC Learning Limit............................................................................................................................ 527
mac learning-limit Dynamic.....................................................................................................................................528
mac learning-limit mac-address-sticky................................................................................................................ 528
mac learning-limit station-move............................................................................................................................ 528
mac learning-limit no-station-move......................................................................................................................528
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Learning Limit Violation Actions............................................................................................................................ 529
Setting Station Move Violation Actions...............................................................................................................529
Recovering from Learning Limit and Station Move Violations.......................................................................529
Disabling MAC Address Learning on the System.............................................................................................. 530
Enabling port security.............................................................................................................................................. 530
NIC Teaming.................................................................................................................................................................... 530
Configure Redundant Pairs........................................................................................................................................... 531
Far-End Failure Detection.............................................................................................................................................534
FEFD State Changes................................................................................................................................................535
Configuring FEFD......................................................................................................................................................535
Enabling FEFD on an Interface.............................................................................................................................. 536
Debugging FEFD........................................................................................................................................................537
Chapter 30: Link Layer Discovery Protocol (LLDP).................................................................... 538
802.1AB (LLDP) Overview............................................................................................................................................538
Protocol Data Units.................................................................................................................................................. 538
Optional TLVs.................................................................................................................................................................. 540
Management TLVs....................................................................................................................................................540
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 541
TIA Organizationally Specific TLVs........................................................................................................................541
Configure LLDP...............................................................................................................................................................545
CONFIGURATION versus INTERFACE Configurations......................................................................................... 545
Enabling LLDP..................................................................................................................................................................546
Disabling and Undoing LLDP.................................................................................................................................. 546
Enabling LLDP on Management Ports....................................................................................................................... 547
Disabling and Undoing LLDP on Management Ports........................................................................................547
Advertising TLVs............................................................................................................................................................. 547
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 548
Viewing the LLDP Configuration.................................................................................................................................549
Viewing Information Advertised by Adjacent LLDP Neighbors........................................................................... 550
Examples of Viewing Information Advertised by Neighbors...........................................................................550
Configuring LLDPDU Intervals..................................................................................................................................... 551
Configuring LLDP Notification Interval..................................................................................................................... 552
Configuring Transmit and Receive Mode..................................................................................................................552
Configuring a Time to Live........................................................................................................................................... 553
Debugging LLDP............................................................................................................................................................. 554
Relevant Management Objects................................................................................................................................... 555
Chapter 31: Multicast Source Discovery Protocol (MSDP).........................................................559
Anycast RP.......................................................................................................................................................................560
Implementation Information.......................................................................................................................................... 561
Configure Multicast Source Discovery Protocol......................................................................................................561
Related Configuration Tasks...................................................................................................................................561
Enable MSDP................................................................................................................................................................... 565
Manage the Source-Active Cache............................................................................................................................. 566
Viewing the Source-Active Cache........................................................................................................................566
Limiting the Source-Active Cache........................................................................................................................566
Clearing the Source-Active Cache....................................................................................................................... 566
Enabling the Rejected Source-Active Cache..................................................................................................... 567
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Accept Source-Active Messages that Fail the RFP Check.................................................................................. 567
Specifying Source-Active Messages...........................................................................................................................571
Limiting the Source-Active Messages from a Peer................................................................................................ 572
Preventing MSDP from Caching a Local Source.................................................................................................... 572
Preventing MSDP from Caching a Remote Source................................................................................................573
Preventing MSDP from Advertising a Local Source...............................................................................................573
Logging Changes in Peership States..........................................................................................................................574
Terminating a Peership..................................................................................................................................................574
Clearing Peer Statistics................................................................................................................................................. 574
Debugging MSDP............................................................................................................................................................575
MSDP with Anycast RP.................................................................................................................................................575
Configuring Anycast RP................................................................................................................................................ 576
Reducing Source-Active Message Flooding....................................................................................................... 577
Specifying the RP Address Used in SA Messages............................................................................................ 577
MSDP Sample Configurations......................................................................................................................................579
Chapter 32: Multiple Spanning Tree Protocol (MSTP)............................................................... 584
Spanning Tree Variations.............................................................................................................................................. 585
Implementation Information................................................................................................................................... 585
Configure Multiple Spanning Tree Protocol............................................................................................................. 585
Related Configuration Tasks.................................................................................................................................. 585
Enable Multiple Spanning Tree Globally.................................................................................................................... 586
Adding and Removing Interfaces................................................................................................................................ 586
Creating Multiple Spanning Tree Instances..............................................................................................................586
Influencing MSTP Root Selection............................................................................................................................... 587
Interoperate with Non-Dell Bridges............................................................................................................................588
Changing the Region Name or Revision....................................................................................................................588
Modifying Global Parameters.......................................................................................................................................588
Modifying the Interface Parameters.......................................................................................................................... 589
Configuring an EdgePort.............................................................................................................................................. 590
Flush MAC Addresses after a Topology Change..................................................................................................... 591
MSTP Sample Configurations.......................................................................................................................................591
Debugging and Verifying MSTP Configurations......................................................................................................594
Chapter 33: Multicast Features................................................................................................. 596
Enabling IP Multicast..................................................................................................................................................... 596
Implementation Information......................................................................................................................................... 596
First Packet Forwarding for Lossless Multicast...................................................................................................... 597
Multicast Policies............................................................................................................................................................ 597
IPv4 Multicast Policies.............................................................................................................................................597
Understanding Multicast Traceroute (mtrace)....................................................................................................... 603
Printing Multicast Traceroute (mtrace) Paths........................................................................................................ 604
Supported Error Codes................................................................................................................................................. 605
mtrace Scenarios............................................................................................................................................................ 606
Chapter 34: Multicast Listener Discovery Protocol.................................................................... 612
MLD timers........................................................................................................................................................................615
Reducing Host Response Burstiness.................................................................................................................... 615
Configuring MLD Version...............................................................................................................................................616
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Clearing MLD groups...................................................................................................................................................... 616
Debugging MLD............................................................................................................................................................... 616
Explicit Tracking...............................................................................................................................................................616
Reducing Leave Latency................................................................................................................................................616
Displaying MLD groups table.........................................................................................................................................617
Displaying MLD Interfaces.............................................................................................................................................617
MLD Snooping.................................................................................................................................................................. 617
Enable MLD Snooping...............................................................................................................................................617
Disable MLD Snooping..............................................................................................................................................618
Configure the switch as a querier..........................................................................................................................618
Specify port as connected to multicast router...................................................................................................618
Enable Snooping Explicit Tracking.........................................................................................................................618
Display the MLD Snooping Table........................................................................................................................... 619
Chapter 35: Object Tracking..................................................................................................... 620
Object Tracking Overview............................................................................................................................................ 620
Track Layer 2 Interfaces.......................................................................................................................................... 621
Track Layer 3 Interfaces.......................................................................................................................................... 621
Track IPv4 and IPv6 Routes....................................................................................................................................621
Track a Metric Threshold........................................................................................................................................ 622
Tracking a Metric Threshold.................................................................................................................................. 622
Track Route Reachability........................................................................................................................................ 623
Tracking Route Reachability...................................................................................................................................623
Configuring track reachability refresh interval.................................................................................................. 624
Set Tracking Delays..................................................................................................................................................625
VRRP Object Tracking.............................................................................................................................................625
Object Tracking Configuration.................................................................................................................................... 625
Tracking a Layer 2 Interface.................................................................................................................................. 625
Tracking a Layer 3 Interface.................................................................................................................................. 626
Configuring track reachability refresh interval...................................................................................................627
Displaying Tracked Objects.......................................................................................................................................... 628
Chapter 36: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 630
Protocol Overview..........................................................................................................................................................630
Autonomous System (AS) Areas...........................................................................................................................630
Area Types...................................................................................................................................................................631
Networks and Neighbors.........................................................................................................................................632
Router Types..............................................................................................................................................................632
Designated and Backup Designated Routers..................................................................................................... 633
Link-State Advertisements (LSAs).......................................................................................................................633
Virtual Links................................................................................................................................................................ 634
Router Priority and Cost......................................................................................................................................... 635
OSPF Implementation....................................................................................................................................................635
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 636
Multi-Process OSPFv2 (IPv4 only)...................................................................................................................... 636
RFC-2328 Compliant OSPF Flooding...................................................................................................................636
OSPF ACK Packing...................................................................................................................................................637
Setting OSPF Adjacency with Cisco Routers.....................................................................................................637
Configuration Information.............................................................................................................................................638
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Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................638
Sample Configurations for OSPFv2........................................................................................................................... 648
OSPFv3 NSSA.................................................................................................................................................................650
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................... 650
Enabling IPv6 Unicast Routing............................................................................................................................... 651
Assigning IPv6 Addresses on an Interface.......................................................................................................... 651
Assigning Area ID on an Interface..........................................................................................................................651
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................652
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................652
Configuring the Cost of OSPFv3 Routes............................................................................................................653
Configuring Stub Areas........................................................................................................................................... 653
Configuring Passive-Interface............................................................................................................................... 653
Redistributing Routes.............................................................................................................................................. 653
Configuring a Default Route...................................................................................................................................654
OSPFv3 Authentication Using IPsec....................................................................................................................654
Troubleshooting OSPFv3........................................................................................................................................660
MIB Support for OSPFv3.............................................................................................................................................. 661
Viewing the OSPFv3 MIB........................................................................................................................................ 661
Chapter 37: Per-VLAN Spanning Tree Plus (PVST+)..................................................................662
Protocol Overview..........................................................................................................................................................662
Implementation Information......................................................................................................................................... 663
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 663
Enabling PVST+...............................................................................................................................................................664
Disabling PVST+..............................................................................................................................................................664
Influencing PVST+ Root Selection............................................................................................................................. 664
Modifying Global PVST+ Parameters........................................................................................................................ 666
Modifying Interface PVST+ Parameters................................................................................................................... 666
Configuring an EdgePort...............................................................................................................................................667
PVST+ in Multi-Vendor Networks.............................................................................................................................. 668
Enabling PVST+ Extend System ID............................................................................................................................ 668
PVST+ Sample Configurations.................................................................................................................................... 669
Chapter 38: PIM Sparse-Mode (PIM-SM)...................................................................................671
Implementation Information.......................................................................................................................................... 671
Protocol Overview...........................................................................................................................................................671
Requesting Multicast Traffic...................................................................................................................................671
Refuse Multicast Traffic..........................................................................................................................................672
Send Multicast Traffic............................................................................................................................................. 672
Configuring PIM-SSM....................................................................................................................................................672
Related Configuration Tasks.................................................................................................................................. 673
Enable PIM-SM................................................................................................................................................................673
Configuring S,G Expiry Timers.....................................................................................................................................674
Configuring a Static Rendezvous Point.....................................................................................................................674
Overriding Bootstrap Router Updates................................................................................................................. 674
Configuring a Designated Router................................................................................................................................675
Electing an RP using the BSR Mechanism............................................................................................................... 675
Creating Multicast Boundaries and Domains............................................................................................................676
Enabling PIM-SM Graceful Restart............................................................................................................................ 677
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