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Dell OS9, PowerSwitch S6000 User guide

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Dell Configuration Guide for the S6000
System
9.14.2.8
September 2020
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2020 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.............................................................................................................................................................. 38
Undoing Commands..........................................................................................................................................................38
Obtaining Help....................................................................................................................................................................39
Entering and Editing Commands................................................................................................................................... 39
Command History..............................................................................................................................................................40
Filtering show Command Outputs.................................................................................................................................40
Multiple Users in Configuration Mode...........................................................................................................................41
Configuring alias command..............................................................................................................................................41
Viewing alias configuration........................................................................................................................................42
Chapter 3: Getting Started..........................................................................................................43
Console Access..................................................................................................................................................................43
Serial Console............................................................................................................................................................... 43
Default Configuration....................................................................................................................................................... 44
Configuring a Host Name................................................................................................................................................ 44
Accessing the System Remotely................................................................................................................................... 45
Configure the Management Port IP Address....................................................................................................... 45
Configure a Management Route..............................................................................................................................45
Configuring a Username and Password................................................................................................................. 45
Configuring the Enable Password................................................................................................................................. 46
Configuration File Management.....................................................................................................................................47
Copy Files to and from the System.........................................................................................................................47
Mounting an NFS File System.................................................................................................................................. 48
Save the Running-Configuration............................................................................................................................. 49
Configure the Overload Bit for a Startup Scenario............................................................................................ 50
Viewing Files.................................................................................................................................................................50
Managing the File System................................................................................................................................................51
View Command History.................................................................................................................................................... 51
Upgrading Dell EMC Networking OS............................................................................................................................53
Using HTTP for File Transfers....................................................................................................................................... 53
Verify Software Images Before Installation................................................................................................................ 53
Chapter 4: Management.............................................................................................................. 55
Configuring Privilege Levels........................................................................................................................................... 55
Removing a Command from EXEC Mode..............................................................................................................56
Contents
Contents 3
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 56
Allowing Access to CONFIGURATION Mode Commands................................................................................. 56
Allowing Access to Different Modes...................................................................................................................... 56
Applying a Privilege Level to a Username..............................................................................................................58
Applying a Privilege Level to a Terminal Line....................................................................................................... 58
Configuring Logging......................................................................................................................................................... 58
Audit and Security Logs.............................................................................................................................................59
Configuring Logging Format .............................................................................................................................60
Setting Up a Secure Connection to a Syslog Server................................................................................ 60
Log Messages in the Internal Buffer............................................................................................................................ 62
Disabling System Logging................................................................................................................................................62
Sending System Messages to a Syslog Server.......................................................................................................... 62
Configuring a UNIX System as a Syslog Server...................................................................................................62
Track Login Activity..........................................................................................................................................................63
Restrictions for Tracking Login Activity................................................................................................................ 63
Configuring Login Activity Tracking........................................................................................................................63
Display Login Statistics.............................................................................................................................................. 63
Limit Concurrent Login Sessions...................................................................................................................................65
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 65
Configuring Concurrent Session Limit................................................................................................................... 65
Enabling the System to Clear Existing Sessions..................................................................................................65
Enabling Secured CLI Mode............................................................................................................................................66
Changing System Logging Settings..............................................................................................................................67
Display the Logging Buffer and the Logging Configuration....................................................................................67
Configuring a UNIX Logging Facility Level..................................................................................................................68
Synchronizing Log Messages......................................................................................................................................... 69
Enabling Timestamp on Syslog Messages...................................................................................................................69
File Transfer Services.......................................................................................................................................................72
Enabling the FTP Server............................................................................................................................................ 72
Configuring FTP Server Parameters.......................................................................................................................73
Configuring FTP Client Parameters........................................................................................................................ 73
Terminal Lines.....................................................................................................................................................................74
Denying and Permitting Access to a Terminal Line............................................................................................. 74
Configuring Login Authentication for Terminal Lines......................................................................................... 75
Setting Timeout for EXEC Privilege Mode..................................................................................................................76
Using Telnet to get to Another Network Device....................................................................................................... 76
Lock CONFIGURATION Mode........................................................................................................................................77
Recovering from a Forgotten Password on the S6000........................................................................................... 77
Recovering from a Forgotten Enable Password........................................................................................................ 78
Recovering from a Failed Start on the S6000........................................................................................................... 78
Restoring the Factory Default Settings....................................................................................................................... 79
Restoring Factory Default Environment Variables.............................................................................................. 79
Viewing the Reason for Last System Reboot............................................................................................................ 80
Disabling Syslog Messages for SNMP Authentication Failure Events.................................................................. 81
Chapter 5: 802.1X........................................................................................................................82
Port-Authentication Process..........................................................................................................................................83
EAP over RADIUS........................................................................................................................................................84
Configuring 802.1X............................................................................................................................................................85
Important Points to Remember..................................................................................................................................... 85
4
Contents
Enabling 802.1X..................................................................................................................................................................86
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 Timeouts....................................................................................................................................................... 92
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 93
Guest and Authentication-Fail VLANs..........................................................................................................................94
Configuring a Guest VLAN........................................................................................................................................95
Configuring an Authentication-Fail VLAN............................................................................................................. 95
Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 97
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..............................................................97
Guidelines for Configuring ACL VLAN Groups........................................................................................................... 98
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 98
Configuring ACL VLAN Groups................................................................................................................................98
Configuring FP Blocks for VLAN Parameters.......................................................................................................99
Viewing CAM Usage....................................................................................................................................................... 100
Allocating FP Blocks for VLAN Processes................................................................................................................. 101
Chapter 7: Access Control Lists (ACLs)..................................................................................... 102
IP Access Control Lists (ACLs)....................................................................................................................................103
CAM Usage................................................................................................................................................................. 103
Implementing ACLs on Dell EMC Networking OS..............................................................................................104
Important Points to Remember....................................................................................................................................105
Configuration Task List for Route Maps..............................................................................................................106
Configuring Match Routes...................................................................................................................................... 108
Configuring Set Conditions..................................................................................................................................... 109
Configure a Route Map for Route Redistribution.............................................................................................. 109
Configure a Route Map for Route Tagging..........................................................................................................110
Continue Clause.......................................................................................................................................................... 110
IP Fragment Handling.......................................................................................................................................................111
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......................................................................................................................................114
Configuring Filters with a Sequence Number...................................................................................................... 114
Configuring Filters Without a Sequence Number............................................................................................... 116
Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 117
Assign an IP ACL to an Interface..................................................................................................................................117
Applying an IP ACL...........................................................................................................................................................118
Counting ACL Hits......................................................................................................................................................118
Configure Ingress ACLs.................................................................................................................................................. 119
Configure Egress ACLs................................................................................................................................................... 119
Contents
5
Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................120
IP Prefix Lists....................................................................................................................................................................120
Configuration Task List for Prefix Lists.................................................................................................................121
ACL Remarks.................................................................................................................................................................... 124
Configuring a Remark............................................................................................................................................... 124
Deleting a Remark......................................................................................................................................................125
ACL Resequencing.......................................................................................................................................................... 125
Resequencing an ACL or Prefix List......................................................................................................................126
Route Maps....................................................................................................................................................................... 127
Configuring UDF ACL......................................................................................................................................................127
Configuring IP Mirror Access Group........................................................................................................................... 129
Sample Configuration................................................................................................................................................130
Example of viewing IP mirror–access–group applied to an Interface.......................................................... 130
Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................. 131
How BFD Works................................................................................................................................................................131
BFD Packet Format...................................................................................................................................................132
BFD Sessions.............................................................................................................................................................. 133
BFD Three-Way Handshake.................................................................................................................................... 134
Session State Changes.............................................................................................................................................135
Important Points to Remember....................................................................................................................................135
Configure BFD..................................................................................................................................................................135
Configure BFD for Physical Ports..........................................................................................................................136
Configure BFD for Static Routes........................................................................................................................... 137
Configure BFD for IPv6 Static Routes.................................................................................................................. 141
Configure BFD for OSPF..........................................................................................................................................143
Configure BFD for OSPFv3..................................................................................................................................... 147
Configure BFD for IS-IS........................................................................................................................................... 149
Configure BFD for BGP.............................................................................................................................................151
Configure BFD for VRRP......................................................................................................................................... 158
Configuring Protocol Liveness................................................................................................................................160
Chapter 9: Border Gateway Protocol (BGP)................................................................................161
BGP IP version 4 (BGPv4) Overview..........................................................................................................................161
BGP Autonomous Systems...................................................................................................................................... 161
AS4 Number Representation.................................................................................................................................. 163
Four-Byte AS Numbers............................................................................................................................................ 165
BGP router ID............................................................................................................................................................. 165
Sessions and Peers....................................................................................................................................................165
Establish a Session.................................................................................................................................................... 165
BGP Attributes for selecting Best Path............................................................................................................... 166
Multiprotocol BGP...................................................................................................................................................... 171
BGP global and address family configuration......................................................................................................172
Implement BGP with Dell EMC Networking OS................................................................................................. 173
Configuration Information........................................................................................................................................176
Basic BGP configuration tasks......................................................................................................................................177
Prerequisite for configuring a BGP network........................................................................................................177
Restrictions..................................................................................................................................................................177
Enabling BGP...............................................................................................................................................................177
6
Contents
Enabling four-byte autonomous system numbers..............................................................................................179
Changing a BGP router ID....................................................................................................................................... 180
Configuring AS4 Number Representations..........................................................................................................180
Configuring a BGP peer............................................................................................................................................ 181
Example-Configuring BGP routing between peers............................................................................................182
BGP peer group..........................................................................................................................................................183
Advanced BGP configuration tasks.............................................................................................................................190
Route-refresh and Soft-reconfiguration..............................................................................................................190
Aggregating Routes...................................................................................................................................................192
Filtering BGP...............................................................................................................................................................194
Configuring BGP Fast Fall-Over.............................................................................................................................199
Configuring Passive Peering................................................................................................................................... 201
Enabling Graceful Restart....................................................................................................................................... 202
Redistributing Routes...............................................................................................................................................203
Enabling Additional Paths........................................................................................................................................203
Configuring IP Community Lists............................................................................................................................204
Configuring an IP Extended Community List..................................................................................................... 205
Configure BGP attributes....................................................................................................................................... 206
Enabling Multipath.....................................................................................................................................................210
Route Reflectors........................................................................................................................................................210
Enabling Route Flap Dampening..............................................................................................................................211
Changing BGP keepalive and hold timers............................................................................................................ 213
Setting the extended timer..................................................................................................................................... 214
Enabling or disabling BGP neighbors.....................................................................................................................214
Route Map Continue................................................................................................................................................. 216
Configuring BGP Confederations...........................................................................................................................216
Configuring a BGP VRF address family................................................................................................................ 217
Maintaining Existing AS Numbers During an AS Migration..............................................................................218
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 219
Enabling MBGP Configurations.............................................................................................................................. 219
MBGP support for IPv6...........................................................................................................................................220
Configuring IPv6 MBGP between peers............................................................................................................. 220
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 221
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor...................................223
BGP Regular Expression Optimization................................................................................................................. 224
Debugging BGP......................................................................................................................................................... 225
Chapter 10: Content Addressable Memory (CAM)......................................................................227
CAM Allocation................................................................................................................................................................ 227
Test CAM Usage............................................................................................................................................................. 229
View CAM Profiles..........................................................................................................................................................229
View CAM-ACL Settings...............................................................................................................................................230
View CAM Usage............................................................................................................................................................. 231
Configuring CAM Threshold and Silence Period..................................................................................................... 232
CAM Optimization...........................................................................................................................................................233
Troubleshoot CAM Profiling......................................................................................................................................... 233
QoS CAM Region Limitation...................................................................................................................................233
Syslog Error When the Table is Full......................................................................................................................234
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................234
Syslog Warning for Discrepancies Between Configured Extended Prefixes.............................................. 234
Contents
7
Unified Forwarding Table (UFT) Modes....................................................................................................................234
Configuring UFT Modes...........................................................................................................................................234
Chapter 11: Control Plane Policing (CoPP)................................................................................ 236
Configure Control Plane Policing.................................................................................................................................237
Configuring CoPP for Protocols............................................................................................................................238
Configuring CoPP for CPU Queues......................................................................................................................239
Protocol to CPU Queue Mapping..........................................................................................................................240
Configuring Protocol to CPU Queue Mapping....................................................................................................241
Displaying CoPP Configuration .............................................................................................................................242
Chapter 12: Data Center Bridging (DCB)....................................................................................244
Ethernet Enhancements in Data Center Bridging...................................................................................................244
Priority-Based Flow Control................................................................................................................................... 245
Enhanced Transmission Selection.........................................................................................................................246
Data Center Bridging Exchange Protocol (DCBx)............................................................................................ 247
Data Center Bridging in a Traffic Flow................................................................................................................ 248
Enabling Data Center Bridging.....................................................................................................................................248
DCB Maps and its Attributes..................................................................................................................................249
Data Center Bridging: Default Configuration........................................................................................................... 249
Configuring Priority-Based Flow Control.................................................................................................................. 250
Configuring Lossless Queues....................................................................................................................................... 250
Configuring PFC in a DCB Map................................................................................................................................... 252
Configuring PFC without a DCB Map........................................................................................................................253
Priority-Based Flow Control Using Dynamic Buffer Method..........................................................................255
Behavior of Tagged Packets........................................................................................................................................256
Configuration Example for DSCP and PFC Priorities.............................................................................................256
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................257
Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................258
PFC and ETS Configuration Examples...................................................................................................................... 259
Using PFC to Manage Converged Ethernet Traffic...............................................................................................259
Operations on Untagged Packets...............................................................................................................................259
Generation of PFC for a Priority for Untagged Packets.......................................................................................260
Configure Enhanced Transmission Selection........................................................................................................... 260
ETS Prerequisites and Restrictions...................................................................................................................... 260
Creating an ETS Priority Group.............................................................................................................................260
ETS Operation with DCBx....................................................................................................................................... 261
Configuring Bandwidth Allocation for DCBx CIN............................................................................................... 261
Configuring ETS in a DCB Map..............................................................................................................................262
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 263
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 264
Applying DCB Policies in a Switch Stack.................................................................................................................. 264
Configure a DCBx Operation........................................................................................................................................264
DCBx Operation.........................................................................................................................................................264
DCBx Port Roles........................................................................................................................................................265
DCB Configuration Exchange.................................................................................................................................266
Configuration Source Election............................................................................................................................... 266
Propagation of DCB Information........................................................................................................................... 267
Auto-Detection and Manual Configuration of the DCBx Version..................................................................267
8
Contents
DCBx Example............................................................................................................................................................267
DCBx Prerequisites and Restrictions................................................................................................................... 268
Configuring DCBx......................................................................................................................................................268
Verifying the DCB Configuration..................................................................................................................................271
QoS dot1p Traffic Classification and Queue Assignment......................................................................................280
Configuring the Dynamic Buffer Method..................................................................................................................280
Sample DCB Configuration............................................................................................................................................281
Chapter 13: Dynamic Host Configuration Protocol (DHCP)........................................................ 284
DHCP Packet Format and Options.............................................................................................................................284
Assign an IP Address using DHCP.............................................................................................................................. 285
Implementation Information......................................................................................................................................... 286
Configure the System to be a DHCP Server............................................................................................................287
Configuring the Server for Automatic Address Allocation.............................................................................. 287
Specifying a Default Gateway................................................................................................................................288
Configure a Method of Hostname Resolution....................................................................................................289
Using DNS for Address Resolution....................................................................................................................... 289
Using NetBIOS WINS for Address Resolution....................................................................................................289
Creating Manual Binding Entries........................................................................................................................... 289
Debugging the DHCP Server................................................................................................................................. 290
Using DHCP Clear Commands...............................................................................................................................290
Configure the System to be a DHCP Client.............................................................................................................290
Configuring the DHCP Client System...................................................................................................................291
DHCP Client on a Management Interface...........................................................................................................292
DHCP Client Operation with Other Features.....................................................................................................292
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 293
Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................293
Non-default VRF configuration for DHCPv6 helper address............................................................................... 294
Configuring DHCP relay source interface.................................................................................................................295
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................295
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................295
Configure the System for User Port Stacking (Option 230)............................................................................... 296
Configure Secure DHCP................................................................................................................................................297
Option 82 (DHCPv4 relay options).......................................................................................................................297
DHCPv6 relay agent options..................................................................................................................................298
DHCP Snooping.........................................................................................................................................................298
Configuring the DHCP secondary-subnet...........................................................................................................302
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 303
Dynamic ARP Inspection......................................................................................................................................... 303
Configuring Dynamic ARP Inspection...................................................................................................................303
Source Address Validation............................................................................................................................................305
Enabling IP Source Address Validation................................................................................................................ 305
DHCP MAC Source Address Validation...............................................................................................................305
Enabling IP+MAC Source Address Validation.................................................................................................... 306
Viewing the Number of SAV Dropped Packets................................................................................................. 306
Clearing the Number of SAV Dropped Packets.................................................................................................307
Chapter 14: Equal Cost Multi-Path (ECMP)............................................................................... 308
ECMP for Flow-Based Affinity.................................................................................................................................... 308
Contents
9
Configuring the Hash Algorithm............................................................................................................................ 308
Enabling Deterministic ECMP Next Hop............................................................................................................. 308
Configuring the Hash Algorithm Seed................................................................................................................. 309
Link Bundle Monitoring..................................................................................................................................................309
Managing ECMP Group Paths................................................................................................................................310
Creating an ECMP Group Bundle.......................................................................................................................... 310
Modifying the ECMP Group Threshold................................................................................................................ 310
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table................................311
Support for ECMP in host table..............................................................................................................................311
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes .....................................................................312
RTAG7................................................................................................................................................................................ 312
Flow-based Hashing for ECMP.................................................................................................................................... 313
Chapter 15: FIP Snooping...........................................................................................................316
Fibre Channel over Ethernet.........................................................................................................................................316
Ensure Robustness in a Converged Ethernet Network..........................................................................................316
FIP Snooping on Ethernet Bridges...............................................................................................................................317
FIP Snooping in a Switch Stack................................................................................................................................... 319
Using FIP Snooping......................................................................................................................................................... 319
FIP Snooping Prerequisites..................................................................................................................................... 319
Important Points to Remember..............................................................................................................................319
Enabling the FCoE Transit Feature.......................................................................................................................320
Enable FIP Snooping on VLANs.............................................................................................................................320
Configure the FC-MAP Value................................................................................................................................. 321
Configure a Port for a Bridge-to-Bridge Link..................................................................................................... 321
Configure a Port for a Bridge-to-FCF Link..........................................................................................................321
Impact on Other Software Features..................................................................................................................... 321
FIP Snooping Restrictions.......................................................................................................................................322
Configuring FIP Snooping........................................................................................................................................322
Displaying FIP Snooping Information..........................................................................................................................323
FCoE Transit Configuration Example......................................................................................................................... 328
Chapter 16: Flex Hash and Optimized Boot-Up...........................................................................330
Flex Hash Capability Overview.................................................................................................................................... 330
Configuring the Flex Hash Mechanism......................................................................................................................330
Configuring Fast Boot and LACP Fast Switchover.................................................................................................331
Optimizing the Boot Time..............................................................................................................................................331
Interoperation of Applications with Fast Boot and System States.....................................................................332
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 335
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 335
Chapter 17: Force10 Resilient Ring Protocol (FRRP).................................................................. 337
Protocol Overview.......................................................................................................................................................... 337
Ring Status................................................................................................................................................................. 338
Multiple FRRP Rings.................................................................................................................................................338
Important FRRP Points............................................................................................................................................339
Important FRRP Concepts......................................................................................................................................340
Implementing FRRP........................................................................................................................................................340
FRRP Configuration........................................................................................................................................................ 341
10
Contents
Creating the FRRP Group........................................................................................................................................341
Configuring the Control VLAN................................................................................................................................341
Configuring and Adding the Member VLANs..................................................................................................... 342
Setting the FRRP Timers........................................................................................................................................ 343
Clearing the FRRP Counters.................................................................................................................................. 343
Viewing the FRRP Configuration...........................................................................................................................343
Viewing the FRRP Information...............................................................................................................................343
Troubleshooting FRRP...................................................................................................................................................344
Sample Configuration and Topology...........................................................................................................................344
FRRP Support on VLT................................................................................................................................................... 345
Chapter 18: GARP VLAN Registration Protocol (GVRP)............................................................. 348
Configure GVRP..............................................................................................................................................................349
Enabling GVRP Globally.................................................................................................................................................349
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 350
Configure GVRP Registration...................................................................................................................................... 350
Configure a GARP Timer................................................................................................................................................351
Chapter 19: Internet Group Management Protocol (IGMP)........................................................ 352
IGMP Protocol Overview.............................................................................................................................................. 352
IGMP Version 2..........................................................................................................................................................352
IGMP Version 3..........................................................................................................................................................354
Configure IGMP...............................................................................................................................................................356
Viewing IGMP Enabled Interfaces...............................................................................................................................357
Selecting an IGMP Version........................................................................................................................................... 357
Viewing IGMP Groups....................................................................................................................................................358
Viewing IGMP Snooping Groups................................................................................................................................. 358
Adjusting Timers..............................................................................................................................................................358
Adjusting Query and Response Timers................................................................................................................ 358
Enabling IGMP Immediate-Leave................................................................................................................................359
IGMP Snooping................................................................................................................................................................359
Configuring IGMP Snooping...................................................................................................................................360
Removing a Group-Port Association.................................................................................................................... 360
Disabling Multicast Flooding....................................................................................................................................361
Specifying a Port as Connected to a Multicast Router....................................................................................361
Configuring the Switch as Querier........................................................................................................................ 361
Fast Convergence after MSTP Topology Changes................................................................................................362
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................362
Designating a Multicast Router Interface................................................................................................................. 369
Chapter 20: Interfaces.............................................................................................................. 370
Interface Types.................................................................................................................................................................371
View Basic Interface Information.................................................................................................................................371
Resetting an Interface to its Factory Default State............................................................................................... 373
Enabling a Physical Interface........................................................................................................................................373
Physical Interfaces..........................................................................................................................................................374
Configuration Task List for Physical Interfaces................................................................................................. 374
40G to 1G Breakout Cable Adaptor.......................................................................................................................374
Overview of Layer Modes....................................................................................................................................... 375
Contents
11
Configuring Layer 2 (Data Link) Mode................................................................................................................ 375
Configuring Layer 2 (Interface) Mode................................................................................................................. 375
Configuring Layer 3 (Network) Mode..................................................................................................................376
Configuring Layer 3 (Interface) Mode................................................................................................................. 376
Automatic recovery of an Err-disabled interface.................................................................................................... 377
Configuring an automatic recovery for an Err-disabled interface................................................................. 377
Egress Interface Selection (EIS)................................................................................................................................. 378
Configuring EIS.......................................................................................................................................................... 378
Management Interfaces.................................................................................................................................................379
Configuring Management Interfaces....................................................................................................................379
Configuring a Management Interface on an Ethernet Port............................................................................380
VLAN Interfaces...............................................................................................................................................................381
Loopback Interfaces........................................................................................................................................................381
Null Interfaces..................................................................................................................................................................382
Configuring Port Delay.................................................................................................................................................. 382
Port Channel Interfaces................................................................................................................................................ 382
Port Channel Definition and Standards............................................................................................................... 383
Port Channel Benefits..............................................................................................................................................383
Port Channel Implementation.................................................................................................................................383
Interfaces in Port Channels.................................................................................................................................... 383
Configuration Tasks for Port Channel Interfaces..............................................................................................384
Creating a Port Channel.......................................................................................................................................... 384
Adding a Physical Interface to a Port Channel.................................................................................................. 384
Reassigning an Interface to a New Port Channel............................................................................................. 386
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................386
Adding or Removing a Port Channel from a VLAN........................................................................................... 387
Assigning an IP Address to a Port Channel........................................................................................................ 388
Deleting or Disabling a Port Channel....................................................................................................................388
Load Balancing Through Port Channels.............................................................................................................. 388
Changing the Hash Algorithm................................................................................................................................ 388
Bulk Configuration.......................................................................................................................................................... 389
Interface Range......................................................................................................................................................... 389
Bulk Configuration Examples..................................................................................................................................390
Defining Interface Range Macros................................................................................................................................ 391
Define the Interface Range..................................................................................................................................... 391
Choosing an Interface-Range Macro................................................................................................................... 392
Monitoring and Maintaining Interfaces......................................................................................................................392
Maintenance Using TDR..........................................................................................................................................393
Non Dell-Qualified Transceivers.................................................................................................................................. 393
Splitting 40G Ports without Reload............................................................................................................................394
Splitting QSFP Ports to SFP+ Ports..........................................................................................................................396
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..............................................................................396
Configuring wavelength for 10–Gigabit SFP+ optics............................................................................................. 401
Link Dampening................................................................................................................................................................401
Enabling Link Dampening.........................................................................................................................................404
Link Bundle Monitoring..................................................................................................................................................405
Using Ethernet Pause Frames for Flow Control......................................................................................................405
Enabling Pause Frames............................................................................................................................................406
Configure the MTU Size on an Interface..................................................................................................................406
Port-Pipes.........................................................................................................................................................................407
12
Contents
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 407
Setting the Speed of Ethernet Interfaces.......................................................................................................... 408
Set Auto-Negotiation Options............................................................................................................................... 409
View Advanced Interface Information........................................................................................................................ 410
Configuring the Interface Sampling Size..............................................................................................................410
Configuring the Traffic Sampling Size Globally.........................................................................................................411
Dynamic Counters........................................................................................................................................................... 412
Clearing Interface Counters.................................................................................................................................... 413
Compressing Configuration Files................................................................................................................................. 413
Chapter 21: IPv4 Routing........................................................................................................... 416
IP Addresses......................................................................................................................................................................417
Configuration Tasks for IP Addresses.........................................................................................................................417
Assigning IP Addresses to an Interface...................................................................................................................... 417
Configuring Static Routes............................................................................................................................................. 418
Adding description for IPv4 and IPv6 static routes...........................................................................................419
Configure Static Routes for the Management Interface...................................................................................... 420
Using the Configured Source IP Address in ICMP Messages..............................................................................420
Configuring the Duration to Establish a TCP Connection.....................................................................................420
Enabling Directed Broadcast.........................................................................................................................................421
Resolution of Host Names.............................................................................................................................................421
Enabling Dynamic Resolution of Host Names........................................................................................................... 421
Specifying the Local System Domain and a List of Domains................................................................................422
Configuring DNS with Traceroute.............................................................................................................................. 422
ARP.....................................................................................................................................................................................423
Configuration Tasks for ARP........................................................................................................................................423
Configuring Static ARP Entries................................................................................................................................... 423
Enabling Proxy ARP........................................................................................................................................................424
Clearing ARP Cache....................................................................................................................................................... 424
ARP Learning via Gratuitous ARP...............................................................................................................................424
Enabling ARP Learning via Gratuitous ARP..............................................................................................................425
ARP Learning via ARP Request................................................................................................................................... 425
Configuring ARP Retries............................................................................................................................................... 426
ICMP.................................................................................................................................................................................. 426
Configuration Tasks for ICMP..................................................................................................................................... 426
Enabling ICMP Unreachable Messages..................................................................................................................... 426
ICMP Redirects................................................................................................................................................................427
UDP Helper.......................................................................................................................................................................428
Enabling UDP Helper...................................................................................................................................................... 428
Configuring a Broadcast Address................................................................................................................................428
Configurations Using UDP Helper...............................................................................................................................429
UDP Helper with Broadcast-All Addresses...............................................................................................................429
UDP Helper with Subnet Broadcast Addresses.......................................................................................................430
UDP Helper with Configured Broadcast Addresses............................................................................................... 430
UDP Helper with No Configured Broadcast Addresses......................................................................................... 431
Troubleshooting UDP Helper........................................................................................................................................ 431
Chapter 22: IPv6 Routing.......................................................................................................... 432
Protocol Overview.......................................................................................................................................................... 432
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13
Extended Address Space........................................................................................................................................ 432
Stateless Autoconfiguration................................................................................................................................... 432
IPv6 Headers..............................................................................................................................................................433
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support...............................................................433
IPv6 Header Fields.................................................................................................................................................... 434
Extension Header Fields.......................................................................................................................................... 436
Addressing...................................................................................................................................................................437
Implementing IPv6 with Dell EMC Networking OS.................................................................................................438
ICMPv6..............................................................................................................................................................................439
Path MTU discovery...................................................................................................................................................... 440
IPv6 Neighbor Discovery...............................................................................................................................................440
IPv6 Neighbor Discovery of MTU Packets..........................................................................................................441
Configuring the IPv6 Recursive DNS Server...................................................................................................... 441
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 442
Displaying IPv6 RDNSS Information..................................................................................................................... 442
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................443
Configuration Tasks for IPv6....................................................................................................................................... 443
Adjusting Your CAM-Profile....................................................................................................................................443
Assigning an IPv6 Address to an Interface......................................................................................................... 444
Assigning a Static IPv6 Route................................................................................................................................444
Configuring Telnet with IPv6................................................................................................................................. 445
SNMP over IPv6........................................................................................................................................................445
Displaying IPv6 Information.................................................................................................................................... 445
Displaying an IPv6 Interface Information............................................................................................................ 446
Showing IPv6 Routes...............................................................................................................................................446
Showing the Running-Configuration for an Interface...................................................................................... 448
Clearing IPv6 Routes................................................................................................................................................448
Disabling ND Entry Timeout....................................................................................................................................448
Configuring IPv6 RA Guard.......................................................................................................................................... 449
Configuring IPv6 RA Guard on an Interface.......................................................................................................450
Monitoring IPv6 RA Guard......................................................................................................................................450
Chapter 23: iSCSI Optimization.................................................................................................452
iSCSI Optimization Overview....................................................................................................................................... 452
Monitoring iSCSI Traffic Flows..............................................................................................................................453
Application of Quality of Service to iSCSI Traffic Flows.................................................................................454
Information Monitored in iSCSI Traffic Flows....................................................................................................454
Detection and Auto-Configuration for Dell EqualLogic Arrays...................................................................... 455
Configuring Detection and Ports for Dell Compellent Arrays........................................................................ 455
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 455
Enable and Disable iSCSI Optimization................................................................................................................456
Default iSCSI Optimization Values..............................................................................................................................456
iSCSI Optimization Prerequisites.................................................................................................................................457
Configuring iSCSI Optimization................................................................................................................................... 457
Displaying iSCSI Optimization Information............................................................................................................... 459
Chapter 24: Intermediate System to Intermediate System......................................................... 461
IS-IS Protocol Overview.................................................................................................................................................461
IS-IS Addressing...............................................................................................................................................................461
14
Contents
Multi-Topology IS-IS...................................................................................................................................................... 462
Transition Mode.........................................................................................................................................................462
Interface Support......................................................................................................................................................462
Adjacencies.................................................................................................................................................................462
Graceful Restart..............................................................................................................................................................463
Timers.......................................................................................................................................................................... 463
Implementation Information..........................................................................................................................................463
Configuration Information.............................................................................................................................................464
Configuration Tasks for IS-IS.................................................................................................................................464
Configuring the Distance of a Route.....................................................................................................................471
Changing the IS-Type............................................................................................................................................... 471
Redistributing IPv4 Routes..................................................................................................................................... 474
Redistributing IPv6 Routes..................................................................................................................................... 474
Configuring Authentication Passwords................................................................................................................475
Setting the Overload Bit..........................................................................................................................................475
Debugging IS-IS......................................................................................................................................................... 476
IS-IS Metric Styles.......................................................................................................................................................... 477
Configure Metric Values................................................................................................................................................477
Maximum Values in the Routing Table................................................................................................................. 477
Change the IS-IS Metric Style in One Level Only..............................................................................................477
Leaks from One Level to Another......................................................................................................................... 479
Sample Configurations...................................................................................................................................................479
Chapter 25: In-Service Software Upgrade................................................................................. 482
ISSU Introduction............................................................................................................................................................482
Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................482
L2 ISSU..............................................................................................................................................................................483
L3 ISSU..............................................................................................................................................................................483
CoPP.................................................................................................................................................................................. 483
Mirroring flow control packets.................................................................................................................................... 484
PFC.....................................................................................................................................................................................484
QoS.....................................................................................................................................................................................484
Tunnel Configuration......................................................................................................................................................484
Chapter 26: Link Aggregation Control Protocol (LACP)............................................................. 485
Introduction to Dynamic LAGs and LACP.................................................................................................................485
Important Points to Remember............................................................................................................................. 485
LACP Modes...............................................................................................................................................................486
Configuring LACP Commands................................................................................................................................486
LACP Configuration Tasks............................................................................................................................................486
Creating a LAG...........................................................................................................................................................487
Configuring the LAG Interfaces as Dynamic.......................................................................................................487
Setting the LACP Long Timeout........................................................................................................................... 488
Monitoring and Debugging LACP.......................................................................................................................... 488
Shared LAG State Tracking..........................................................................................................................................488
Configuring Shared LAG State Tracking............................................................................................................. 489
Important Points about Shared LAG State Tracking........................................................................................490
LACP Basic Configuration Example.............................................................................................................................491
Configure a LAG on ALPHA.................................................................................................................................... 491
Contents
15
Chapter 27: Layer 2................................................................................................................... 499
Manage the MAC Address Table................................................................................................................................ 499
Clearing the MAC Address Table.......................................................................................................................... 499
Setting the Aging Time for Dynamic Entries...................................................................................................... 499
Configuring a Static MAC Address.......................................................................................................................500
Displaying the MAC Address Table.......................................................................................................................500
MAC Learning Limit........................................................................................................................................................500
Setting the MAC Learning Limit.............................................................................................................................501
mac learning-limit Dynamic......................................................................................................................................501
mac learning-limit mac-address-sticky.................................................................................................................501
mac learning-limit station-move.............................................................................................................................501
mac learning-limit no-station-move......................................................................................................................502
Learning Limit Violation Actions............................................................................................................................ 502
Setting Station Move Violation Actions...............................................................................................................502
Recovering from Learning Limit and Station Move Violations.......................................................................503
Disabling MAC Address Learning on the System.............................................................................................. 503
Enabling port security.............................................................................................................................................. 503
NIC Teaming.....................................................................................................................................................................504
Configure Redundant Pairs.......................................................................................................................................... 505
Far-End Failure Detection.............................................................................................................................................508
FEFD State Changes................................................................................................................................................508
Configuring FEFD......................................................................................................................................................509
Enabling FEFD on an Interface...............................................................................................................................510
Debugging FEFD......................................................................................................................................................... 511
Chapter 28: Link Layer Discovery Protocol (LLDP).....................................................................512
802.1AB (LLDP) Overview............................................................................................................................................ 512
Protocol Data Units...................................................................................................................................................512
Optional TLVs................................................................................................................................................................... 514
Management TLVs.................................................................................................................................................... 514
TIA-1057 (LLDP-MED) Overview................................................................................................................................515
TIA Organizationally Specific TLVs........................................................................................................................516
Configure LLDP................................................................................................................................................................519
CONFIGURATION versus INTERFACE Configurations......................................................................................... 520
Enabling LLDP..................................................................................................................................................................520
Disabling and Undoing LLDP.................................................................................................................................. 520
Enabling LLDP on Management Ports........................................................................................................................521
Disabling and Undoing LLDP on Management Ports.........................................................................................521
Advertising TLVs..............................................................................................................................................................521
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 522
Viewing the LLDP Configuration.................................................................................................................................523
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................524
Examples of Viewing Information Advertised by Neighbors...........................................................................524
Configuring LLDPDU Intervals.....................................................................................................................................526
Configuring LLDP Notification Interval......................................................................................................................527
Configuring Transmit and Receive Mode..................................................................................................................527
Configuring the Time to Live Value............................................................................................................................ 528
Debugging LLDP............................................................................................................................................................. 529
16
Contents
Relevant Management Objects................................................................................................................................... 530
Chapter 29: Microsoft Network Load Balancing.........................................................................534
Configuring a Switch for NLB .................................................................................................................................... 535
Enabling a Switch for Multicast NLB................................................................................................................... 536
Chapter 30: Multicast Source Discovery Protocol (MSDP)........................................................ 537
Anycast RP.......................................................................................................................................................................538
Implementation Information......................................................................................................................................... 539
Configure Multicast Source Discovery Protocol..................................................................................................... 539
Related Configuration Tasks.................................................................................................................................. 539
Enable MSDP................................................................................................................................................................... 543
Manage the Source-Active Cache..............................................................................................................................544
Viewing the Source-Active Cache........................................................................................................................ 544
Limiting the Source-Active Cache........................................................................................................................544
Clearing the Source-Active Cache....................................................................................................................... 545
Enabling the Rejected Source-Active Cache..................................................................................................... 545
Accept Source-Active Messages that Fail the RFP Check..................................................................................545
Specifying Source-Active Messages..........................................................................................................................548
Limiting the Source-Active Messages from a Peer................................................................................................549
Preventing MSDP from Caching a Local Source.................................................................................................... 549
Preventing MSDP from Caching a Remote Source............................................................................................... 550
Preventing MSDP from Advertising a Local Source.............................................................................................. 550
Logging Changes in Peership States.......................................................................................................................... 551
Terminating a Peership.................................................................................................................................................. 551
Clearing Peer Statistics..................................................................................................................................................551
Debugging MSDP............................................................................................................................................................552
MSDP with Anycast RP.................................................................................................................................................552
Configuring Anycast RP................................................................................................................................................ 553
Reducing Source-Active Message Flooding.......................................................................................................554
Specifying the RP Address Used in SA Messages............................................................................................554
MSDP Sample Configurations..................................................................................................................................... 556
Chapter 31: Multiple Spanning Tree Protocol (MSTP)............................................................... 559
Spanning Tree Variations.............................................................................................................................................. 560
Implementation Information................................................................................................................................... 560
Configure Multiple Spanning Tree Protocol............................................................................................................. 560
Related Configuration Tasks.................................................................................................................................. 560
Enable Multiple Spanning Tree Globally..................................................................................................................... 561
Adding and Removing Interfaces.................................................................................................................................561
Creating Multiple Spanning Tree Instances.............................................................................................................. 561
Influencing MSTP Root Selection............................................................................................................................... 562
Interoperate with Non-Dell Bridges............................................................................................................................563
Changing the Region Name or Revision....................................................................................................................563
Modifying Global Parameters.......................................................................................................................................563
Modifying the Interface Parameters.......................................................................................................................... 564
Setting STP path cost as constant............................................................................................................................ 565
Configuring an EdgePort...............................................................................................................................................566
Flush MAC Addresses after a Topology Change.................................................................................................... 566
Contents
17
MSTP Sample Configurations...................................................................................................................................... 567
Debugging and Verifying MSTP Configurations...................................................................................................... 570
Chapter 32: Multicast Features................................................................................................. 572
Enabling IP Multicast......................................................................................................................................................572
Implementation Information..........................................................................................................................................572
Multicast Policies............................................................................................................................................................ 573
IPv4 Multicast Policies.............................................................................................................................................573
Understanding Multicast Traceroute (mtrace)....................................................................................................... 580
Printing Multicast Traceroute (mtrace) Paths........................................................................................................580
Supported Error Codes..................................................................................................................................................582
mtrace Scenarios............................................................................................................................................................ 583
Chapter 33: Object Tracking......................................................................................................589
Object Tracking Overview............................................................................................................................................589
Track Layer 2 Interfaces......................................................................................................................................... 590
Track Layer 3 Interfaces......................................................................................................................................... 590
Track IPv4 and IPv6 Routes....................................................................................................................................591
Set Tracking Delays..................................................................................................................................................592
VRRP Object Tracking.............................................................................................................................................592
Object Tracking Configuration.....................................................................................................................................592
Tracking a Layer 2 Interface.................................................................................................................................. 592
Tracking a Layer 3 Interface.................................................................................................................................. 593
Track an IPv4/IPv6 Route...................................................................................................................................... 594
Displaying Tracked Objects.......................................................................................................................................... 597
Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 600
Protocol Overview..........................................................................................................................................................600
Autonomous System (AS) Areas...........................................................................................................................600
Area Types...................................................................................................................................................................601
Networks and Neighbors.........................................................................................................................................602
Router Types..............................................................................................................................................................602
Designated and Backup Designated Routers..................................................................................................... 603
Link-State Advertisements (LSAs).......................................................................................................................603
Router Priority and Cost......................................................................................................................................... 604
OSPF with Dell EMC Networking OS........................................................................................................................ 605
Graceful Restart........................................................................................................................................................605
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 606
Multi-Process OSPFv2 with VRF..........................................................................................................................607
RFC-2328 Compliant OSPF Flooding...................................................................................................................607
OSPF ACK Packing...................................................................................................................................................608
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 608
Configuration Information.............................................................................................................................................609
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................609
OSPFv3 NSSA..................................................................................................................................................................621
Configuration Task List for OSPFv3 (OSPF for IPv6)...........................................................................................622
Enabling IPv6 Unicast Routing...............................................................................................................................622
Applying cost for OSPFv3.......................................................................................................................................622
Assigning IPv6 Addresses on an Interface..........................................................................................................623
18
Contents
Assigning Area ID on an Interface......................................................................................................................... 623
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................623
Assigning OSPFv3 Process ID and Router ID to a VRF................................................................................... 624
Configuring Stub Areas............................................................................................................................................624
Configuring Passive-Interface............................................................................................................................... 624
Redistributing Routes...............................................................................................................................................625
Configuring a Default Route...................................................................................................................................625
Enabling OSPFv3 Graceful Restart...................................................................................................................... 625
OSPFv3 Authentication Using IPsec.................................................................................................................... 627
Troubleshooting OSPFv3........................................................................................................................................ 633
MIB Support for OSPFv3..............................................................................................................................................634
Viewing the OSPFv3 MIB........................................................................................................................................634
Chapter 35: Policy-based Routing (PBR)...................................................................................636
Overview........................................................................................................................................................................... 636
Implementing PBR...........................................................................................................................................................637
Configuration Task List for Policy-based Routing.................................................................................................. 637
Create a Redirect List..............................................................................................................................................638
Create a Rule for a Redirect-list............................................................................................................................638
Apply a Redirect-list to an Interface using a Redirect-group.........................................................................640
Sample Configuration.....................................................................................................................................................642
Chapter 36: PIM Sparse-Mode (PIM-SM).................................................................................. 646
Implementation Information......................................................................................................................................... 646
Protocol Overview..........................................................................................................................................................646
Requesting Multicast Traffic..................................................................................................................................646
Refuse Multicast Traffic..........................................................................................................................................647
Send Multicast Traffic............................................................................................................................................. 647
Configuring PIM-SM.......................................................................................................................................................647
Related Configuration Tasks.................................................................................................................................. 648
Enable PIM-SM................................................................................................................................................................648
Configuring S,G Expiry Timers.....................................................................................................................................649
Configuring a Static Rendezvous Point.................................................................................................................... 650
Overriding Bootstrap Router Updates.................................................................................................................650
Configuring a Designated Router................................................................................................................................650
Creating Multicast Boundaries and Domains........................................................................................................... 652
Chapter 37: PIM Source-Specific Mode (PIM-SSM).................................................................. 653
Implementation Information......................................................................................................................................... 653
Configure PIM-SSM.......................................................................................................................................................653
Enabling PIM-SSM..........................................................................................................................................................654
Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 654
Electing an RP using the BSR Mechanism............................................................................................................... 656
Enabling RP to Server Specific Multicast Groups.............................................................................................657
Chapter 38: Port Monitoring..................................................................................................... 659
Important Points to Remember...................................................................................................................................659
Port Monitoring...............................................................................................................................................................660
Configuring Port Monitoring........................................................................................................................................ 662
Contents
19
Configuring Monitor Multicast Queue....................................................................................................................... 663
Flow-Based Monitoring................................................................................................................................................. 664
Enabling Flow-Based Monitoring...........................................................................................................................665
Configuring IPv6 Flow-Based Mirroring.............................................................................................................. 666
Remote Port Mirroring.................................................................................................................................................. 668
Remote Port Mirroring Example............................................................................................................................669
Configuring Remote Port Mirroring......................................................................................................................669
Displaying Remote-Port Mirroring Configurations.............................................................................................671
Configuration procedure for Remote Port Mirroring........................................................................................ 671
Encapsulated Remote Port Monitoring..................................................................................................................... 676
ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................678
Port Monitoring on VLT.................................................................................................................................................679
Chapter 39: Per-VLAN Spanning Tree Plus (PVST+)..................................................................682
Protocol Overview..........................................................................................................................................................682
Implementation Information......................................................................................................................................... 683
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 684
Enabling PVST+...............................................................................................................................................................684
Disabling PVST+..............................................................................................................................................................684
Influencing PVST+ Root Selection............................................................................................................................. 685
Modifying Global PVST+ Parameters........................................................................................................................ 686
Modifying Interface PVST+ Parameters................................................................................................................... 686
Configuring an EdgePort...............................................................................................................................................687
PVST+ in Multi-Vendor Networks.............................................................................................................................. 688
Enabling PVST+ Extend System ID............................................................................................................................ 688
PVST+ Sample Configurations.................................................................................................................................... 689
Chapter 40: Quality of Service (QoS).........................................................................................691
Implementation Information......................................................................................................................................... 693
Port-Based QoS Configurations..................................................................................................................................693
Setting dot1p Priorities for Incoming Traffic......................................................................................................693
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................694
Configuring Port-Based Rate Policing................................................................................................................. 694
Configuring Port-Based Rate Shaping.................................................................................................................695
Policy-Based QoS Configurations...............................................................................................................................696
Classify Traffic...........................................................................................................................................................696
Dot1p to Queue Mapping Requirement............................................................................................................... 699
Create a QoS Policy................................................................................................................................................. 700
DSCP Color Maps..................................................................................................................................................... 702
Create Policy Maps...................................................................................................................................................704
Enabling QoS Rate Adjustment....................................................................................................................................707
Enabling Strict-Priority Queueing............................................................................................................................... 708
Queue Classification Requirements for PFC Functionality................................................................................... 708
Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 708
Weighted Random Early Detection.............................................................................................................................709
Enabling and Disabling WRED Globally................................................................................................................. 710
Creating WRED Profiles........................................................................................................................................... 710
Applying a WRED Profile to Traffic........................................................................................................................ 711
Displaying Default and Configured WRED Profiles............................................................................................. 711
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