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PowerSwitch S6000

Dell PowerSwitch S6000 Administrator Guide

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Dell Configuration Guide for the S6000
System
9.14.2.4
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Other trademarks may be trademarks of their respective owners.
2019 - 11
Rev. A00
1 About this Guide......................................................................................................................... 32
Audience............................................................................................................................................................................... 32
Conventions......................................................................................................................................................................... 32
Related Documents.............................................................................................................................................................32
2 Configuration Fundamentals....................................................................................................... 33
Accessing the Command Line............................................................................................................................................33
CLI Modes............................................................................................................................................................................ 33
Navigating CLI Modes...................................................................................................................................................35
The do Command................................................................................................................................................................ 37
Undoing Commands............................................................................................................................................................38
Obtaining Help..................................................................................................................................................................... 38
Entering and Editing Commands....................................................................................................................................... 39
Command History................................................................................................................................................................39
Filtering show Command Outputs.................................................................................................................................... 40
Multiple Users in Configuration Mode.............................................................................................................................. 40
Configuring alias command................................................................................................................................................. 41
Viewing alias configuration............................................................................................................................................41
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......................................................................................................................................47
Save the Running-Configuration................................................................................................................................. 49
Configure the Overload Bit for a Startup Scenario...................................................................................................49
Viewing Files...................................................................................................................................................................49
Managing the File System..................................................................................................................................................50
View Command History.......................................................................................................................................................51
Upgrading Dell EMC Networking OS................................................................................................................................52
Using HTTP for File Transfers........................................................................................................................................... 52
Verify Software Images Before Installation......................................................................................................................53
4 Management..............................................................................................................................54
Configuring Privilege Levels...............................................................................................................................................54
Removing a Command from EXEC Mode..................................................................................................................55
Contents
Contents 3
Moving a Command from EXEC Privilege Mode to EXEC Mode...........................................................................55
Allowing Access to CONFIGURATION Mode Commands....................................................................................... 55
Allowing Access to Different Modes...........................................................................................................................55
Applying a Privilege Level to a Username...................................................................................................................57
Applying a Privilege Level to a Terminal Line............................................................................................................. 57
Configuring Logging............................................................................................................................................................ 57
Audit and Security Logs................................................................................................................................................57
Configuring Logging Format ................................................................................................................................ 59
Setting Up a Secure Connection to a Syslog Server.......................................................................................59
Log Messages in the Internal Buffer..................................................................................................................................61
Disabling System Logging................................................................................................................................................... 61
Sending System Messages to a Syslog Server................................................................................................................ 61
Configuring a UNIX System as a Syslog Server.........................................................................................................61
Track Login Activity............................................................................................................................................................ 62
Restrictions for Tracking Login Activity......................................................................................................................62
Configuring Login Activity Tracking............................................................................................................................ 62
Display Login Statistics................................................................................................................................................. 62
Limit Concurrent Login Sessions.......................................................................................................................................64
Restrictions for Limiting the Number of Concurrent Sessions................................................................................64
Configuring Concurrent Session Limit........................................................................................................................ 64
Enabling the System to Clear Existing Sessions........................................................................................................64
Enabling Secured CLI Mode...............................................................................................................................................65
Changing System Logging Settings..................................................................................................................................65
Display the Logging Buffer and the Logging Configuration...........................................................................................66
Configuring a UNIX Logging Facility Level....................................................................................................................... 67
Synchronizing Log Messages............................................................................................................................................ 68
Enabling Timestamp on Syslog Messages........................................................................................................................68
File Transfer Services.......................................................................................................................................................... 71
Enabling the FTP Server................................................................................................................................................71
Configuring FTP Server Parameters............................................................................................................................71
Configuring FTP Client Parameters.............................................................................................................................72
Terminal Lines...................................................................................................................................................................... 72
Denying and Permitting Access to a Terminal Line................................................................................................... 72
Configuring Login Authentication for Terminal Lines................................................................................................73
Setting Timeout for EXEC Privilege Mode.......................................................................................................................74
Using Telnet to get to Another Network Device.............................................................................................................74
Lock CONFIGURATION Mode.......................................................................................................................................... 75
Recovering from a Forgotten Password on the S6000................................................................................................. 76
Recovering from a Forgotten Enable Password..............................................................................................................76
Recovering from a Failed Start on the S6000.................................................................................................................76
Restoring the Factory Default Settings............................................................................................................................ 77
Restoring Factory Default Environment Variables.....................................................................................................77
Viewing the Reason for Last System Reboot..................................................................................................................78
Disabling Syslog Messages for SNMP Authentication Failure Events..........................................................................79
5 802.1X.......................................................................................................................................80
Port-Authentication Process..............................................................................................................................................81
EAP over RADIUS..........................................................................................................................................................82
Configuring 802.1X..............................................................................................................................................................82
Important Points to Remember.........................................................................................................................................83
4
Contents
Enabling 802.1X....................................................................................................................................................................83
Configuring dot1x Profile ................................................................................................................................................... 84
Configuring MAC addresses for a do1x Profile................................................................................................................85
Configuring the Static MAB and MAB Profile ................................................................................................................ 85
Configuring Critical VLAN ................................................................................................................................................. 86
Configuring Request Identity Re-Transmissions............................................................................................................. 87
Configuring a Quiet Period after a Failed Authentication.........................................................................................87
Forcibly Authorizing or Unauthorizing a Port...................................................................................................................88
Re-Authenticating a Port................................................................................................................................................... 88
Configuring Timeouts..........................................................................................................................................................89
Configuring Dynamic VLAN Assignment with Port Authentication..............................................................................90
Guest and Authentication-Fail VLANs...............................................................................................................................91
Configuring a Guest VLAN........................................................................................................................................... 92
Configuring an Authentication-Fail VLAN.................................................................................................................. 92
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)..........................94
Optimizing CAM Utilization During the Attachment of ACLs to VLANs......................................................................94
Guidelines for Configuring ACL VLAN Groups................................................................................................................ 94
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters................................................... 95
Configuring ACL VLAN Groups................................................................................................................................... 95
Configuring FP Blocks for VLAN Parameters............................................................................................................96
Viewing CAM Usage........................................................................................................................................................... 96
Allocating FP Blocks for VLAN Processes....................................................................................................................... 98
7 Access Control Lists (ACLs)........................................................................................................99
IP Access Control Lists (ACLs)........................................................................................................................................100
CAM Usage...................................................................................................................................................................100
Implementing ACLs on Dell EMC Networking OS.................................................................................................... 101
Important Points to Remember....................................................................................................................................... 102
Configuration Task List for Route Maps...................................................................................................................102
Configuring Match Routes..........................................................................................................................................104
Configuring Set Conditions.........................................................................................................................................105
Configure a Route Map for Route Redistribution....................................................................................................106
Configure a Route Map for Route Tagging.............................................................................................................. 106
Continue Clause............................................................................................................................................................107
IP Fragment Handling........................................................................................................................................................ 107
IP Fragments ACL Examples...................................................................................................................................... 107
Layer 4 ACL Rules Examples...................................................................................................................................... 108
Configure a Standard IP ACL........................................................................................................................................... 108
Configuring a Standard IP ACL Filter........................................................................................................................ 109
Configure an Extended IP ACL......................................................................................................................................... 110
Configuring Filters with a Sequence Number........................................................................................................... 110
Configuring Filters Without a Sequence Number.....................................................................................................112
Configure Layer 2 and Layer 3 ACLs............................................................................................................................... 113
Assign an IP ACL to an Interface......................................................................................................................................114
Applying an IP ACL............................................................................................................................................................. 114
Counting ACL Hits........................................................................................................................................................ 114
Configure Ingress ACLs..................................................................................................................................................... 115
Configure Egress ACLs......................................................................................................................................................115
Contents
5
Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................................116
IP Prefix Lists...................................................................................................................................................................... 116
Configuration Task List for Prefix Lists......................................................................................................................117
ACL Remarks......................................................................................................................................................................120
Configuring a Remark..................................................................................................................................................120
Deleting a Remark........................................................................................................................................................120
ACL Resequencing............................................................................................................................................................. 121
Resequencing an ACL or Prefix List........................................................................................................................... 121
Route Maps........................................................................................................................................................................ 122
Configuring UDF ACL........................................................................................................................................................ 123
Configuring IP Mirror Access Group................................................................................................................................125
Sample Configuration.................................................................................................................................................. 125
Example of viewing IP mirror–access–group applied to an Interface...................................................................126
8 Bidirectional Forwarding Detection (BFD)................................................................................... 127
How BFD Works.................................................................................................................................................................127
BFD Packet Format..................................................................................................................................................... 128
BFD Sessions................................................................................................................................................................ 129
BFD Three-Way Handshake....................................................................................................................................... 130
Session State Changes................................................................................................................................................ 131
Important Points to Remember........................................................................................................................................ 131
Configure BFD.....................................................................................................................................................................131
Configure BFD for Physical Ports.............................................................................................................................. 132
Configure BFD for Static Routes............................................................................................................................... 133
Configure BFD for IPv6 Static Routes...................................................................................................................... 136
Configure BFD for OSPF.............................................................................................................................................138
Configure BFD for OSPFv3........................................................................................................................................ 142
Configure BFD for IS-IS...............................................................................................................................................144
Configure BFD for BGP...............................................................................................................................................146
Configure BFD for VRRP............................................................................................................................................ 153
Configuring Protocol Liveness................................................................................................................................... 155
9 Border Gateway Protocol (BGP)................................................................................................ 156
BGP IP version 4 (BGPv4) Overview............................................................................................................................. 156
BGP Autonomous Systems........................................................................................................................................ 156
AS4 Number Representation......................................................................................................................................158
Four-Byte AS Numbers...............................................................................................................................................160
BGP router ID............................................................................................................................................................... 160
Sessions and Peers...................................................................................................................................................... 160
Establish a Session.......................................................................................................................................................160
BGP Attributes for selecting Best Path.....................................................................................................................161
Multiprotocol BGP....................................................................................................................................................... 166
BGP global and address family configuration........................................................................................................... 167
Implement BGP with Dell EMC Networking OS...................................................................................................... 168
Configuration Information............................................................................................................................................ 171
Basic BGP configuration tasks..........................................................................................................................................171
Prerequisite for configuring a BGP network..............................................................................................................171
Restrictions.................................................................................................................................................................... 171
Enabling BGP.................................................................................................................................................................171
6
Contents
Enabling four-byte autonomous system numbers................................................................................................... 173
Changing a BGP router ID...........................................................................................................................................174
Configuring AS4 Number Representations...............................................................................................................174
Configuring a BGP peer...............................................................................................................................................175
Example-Configuring BGP routing between peers..................................................................................................176
BGP peer group............................................................................................................................................................ 177
Advanced BGP configuration tasks.................................................................................................................................184
Route-refresh and Soft-reconfiguration...................................................................................................................184
Aggregating Routes..................................................................................................................................................... 186
Filtering BGP.................................................................................................................................................................188
Configuring BGP Fast Fall-Over.................................................................................................................................193
Configuring Passive Peering.......................................................................................................................................194
Enabling Graceful Restart........................................................................................................................................... 195
Redistributing Routes.................................................................................................................................................. 196
Enabling Additional Paths............................................................................................................................................196
Configuring IP Community Lists.................................................................................................................................197
Configuring an IP Extended Community List............................................................................................................198
Configure BGP attributes........................................................................................................................................... 199
Enabling Multipath.......................................................................................................................................................202
Route Reflectors......................................................................................................................................................... 203
Enabling Route Flap Dampening................................................................................................................................204
Changing BGP keepalive and hold timers................................................................................................................ 206
Setting the extended timer........................................................................................................................................206
Enabling or disabling BGP neighbors.........................................................................................................................207
Route Map Continue...................................................................................................................................................208
Configuring BGP Confederations..............................................................................................................................208
Configuring a BGP VRF address family....................................................................................................................209
Maintaining Existing AS Numbers During an AS Migration.....................................................................................210
Allowing an AS Number to Appear in its Own AS Path........................................................................................... 211
Enabling MBGP Configurations..................................................................................................................................212
MBGP support for IPv6...............................................................................................................................................212
Configuring IPv6 MBGP between peers...................................................................................................................212
Example-Configuring IPv4 and IPv6 neighbors........................................................................................................213
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor............................................. 215
BGP Regular Expression Optimization...................................................................................................................... 216
Debugging BGP............................................................................................................................................................ 217
10 Content Addressable Memory (CAM)........................................................................................ 219
CAM Allocation...................................................................................................................................................................219
Test CAM Usage...............................................................................................................................................................220
View CAM Profiles.............................................................................................................................................................221
View CAM-ACL Settings.................................................................................................................................................. 221
View CAM Usage.............................................................................................................................................................. 223
Configuring CAM Threshold and Silence Period........................................................................................................... 223
CAM Optimization.............................................................................................................................................................225
Troubleshoot CAM Profiling............................................................................................................................................ 225
QoS CAM Region Limitation...................................................................................................................................... 225
Syslog Error When the Table is Full.......................................................................................................................... 225
Syslog Warning Upon 90 Percent Utilization of CAM............................................................................................225
Syslog Warning for Discrepancies Between Configured Extended Prefixes.......................................................225
Contents
7
Unified Forwarding Table (UFT) Modes........................................................................................................................ 225
Configuring UFT Modes............................................................................................................................................. 226
11 Control Plane Policing (CoPP).................................................................................................. 227
Configure Control Plane Policing.....................................................................................................................................228
Configuring CoPP for Protocols................................................................................................................................229
Configuring CoPP for CPU Queues..........................................................................................................................230
Protocol to CPU Queue Mapping.............................................................................................................................. 231
Configuring Protocol to CPU Queue Mapping........................................................................................................ 232
Displaying CoPP Configuration .................................................................................................................................232
12 Data Center Bridging (DCB)..................................................................................................... 234
Ethernet Enhancements in Data Center Bridging.........................................................................................................234
Priority-Based Flow Control.......................................................................................................................................235
Enhanced Transmission Selection.............................................................................................................................236
Data Center Bridging Exchange Protocol (DCBx).................................................................................................. 237
Data Center Bridging in a Traffic Flow..................................................................................................................... 237
Enabling Data Center Bridging.........................................................................................................................................238
DCB Maps and its Attributes..................................................................................................................................... 238
Data Center Bridging: Default Configuration.................................................................................................................239
Configuring Priority-Based Flow Control....................................................................................................................... 239
Configuring Lossless Queues...........................................................................................................................................240
Configuring PFC in a DCB Map........................................................................................................................................241
Configuring PFC without a DCB Map............................................................................................................................ 242
Priority-Based Flow Control Using Dynamic Buffer Method.................................................................................244
Behavior of Tagged Packets............................................................................................................................................244
Configuration Example for DSCP and PFC Priorities................................................................................................... 245
SNMP Support for PFC and Buffer Statistics Tracking.............................................................................................. 246
Performing PFC Using DSCP Bits Instead of 802.1p Bits............................................................................................246
PFC and ETS Configuration Examples........................................................................................................................... 247
Using PFC to Manage Converged Ethernet Traffic..................................................................................................... 247
Operations on Untagged Packets...................................................................................................................................248
Generation of PFC for a Priority for Untagged Packets..............................................................................................248
Configure Enhanced Transmission Selection.................................................................................................................248
ETS Prerequisites and Restrictions...........................................................................................................................248
Creating an ETS Priority Group................................................................................................................................. 248
ETS Operation with DCBx..........................................................................................................................................249
Configuring Bandwidth Allocation for DCBx CIN....................................................................................................250
Configuring ETS in a DCB Map................................................................................................................................. 250
Hierarchical Scheduling in ETS Output Policies............................................................................................................. 251
Using ETS to Manage Converged Ethernet Traffic..................................................................................................... 252
Applying DCB Policies in a Switch Stack....................................................................................................................... 252
Configure a DCBx Operation........................................................................................................................................... 252
DCBx Operation...........................................................................................................................................................252
DCBx Port Roles..........................................................................................................................................................253
DCB Configuration Exchange....................................................................................................................................254
Configuration Source Election...................................................................................................................................254
Propagation of DCB Information...............................................................................................................................255
Auto-Detection and Manual Configuration of the DCBx Version......................................................................... 255
8
Contents
DCBx Example............................................................................................................................................................. 255
DCBx Prerequisites and Restrictions........................................................................................................................256
Configuring DCBx........................................................................................................................................................256
Verifying the DCB Configuration.....................................................................................................................................259
QoS dot1p Traffic Classification and Queue Assignment.............................................................................................267
Configuring the Dynamic Buffer Method.......................................................................................................................268
Sample DCB Configuration.............................................................................................................................................. 268
13 Dynamic Host Configuration Protocol (DHCP)............................................................................271
DHCP Packet Format and Options..................................................................................................................................271
Assign an IP Address using DHCP...................................................................................................................................272
Implementation Information............................................................................................................................................. 273
Configure the System to be a DHCP Server.................................................................................................................274
Configuring the Server for Automatic Address Allocation..................................................................................... 274
Specifying a Default Gateway....................................................................................................................................275
Configure a Method of Hostname Resolution......................................................................................................... 275
Using DNS for Address Resolution............................................................................................................................275
Using NetBIOS WINS for Address Resolution......................................................................................................... 276
Creating Manual Binding Entries............................................................................................................................... 276
Debugging the DHCP Server.....................................................................................................................................276
Using DHCP Clear Commands.................................................................................................................................. 276
Configure the System to be a DHCP Client...................................................................................................................277
Configuring the DHCP Client System....................................................................................................................... 277
DHCP Client on a Management Interface................................................................................................................278
DHCP Client Operation with Other Features.......................................................................................................... 279
DHCP Relay When DHCP Server and Client are in Different VRFs........................................................................... 279
Configuring Route Leaking between VRFs on DHCP Relay Agent...................................................................... 280
Non-default VRF configuration for DHCPv6 helper address.......................................................................................281
Configuring DHCP relay source interface.......................................................................................................................281
Global DHCP relay source IPv4 or IPv6 configuration ........................................................................................... 281
Interface level DHCP relay source IPv4 or IPv6 configuration .............................................................................282
Configure the System for User Port Stacking (Option 230)...................................................................................... 283
Configure Secure DHCP.................................................................................................................................................. 283
Option 82 (DHCPv4 relay options)...........................................................................................................................283
DHCPv6 relay agent options......................................................................................................................................284
DHCP Snooping...........................................................................................................................................................284
Configuring the DHCP secondary-subnet............................................................................................................... 288
Drop DHCP Packets on Snooped VLANs Only....................................................................................................... 288
Dynamic ARP Inspection............................................................................................................................................ 289
Configuring Dynamic ARP Inspection.......................................................................................................................289
Source Address Validation............................................................................................................................................... 290
Enabling IP Source Address Validation......................................................................................................................291
DHCP MAC Source Address Validation.................................................................................................................... 291
Enabling IP+MAC Source Address Validation...........................................................................................................291
Viewing the Number of SAV Dropped Packets.......................................................................................................292
Clearing the Number of SAV Dropped Packets...................................................................................................... 292
14 Equal Cost Multi-Path (ECMP).................................................................................................293
ECMP for Flow-Based Affinity........................................................................................................................................293
Contents
9
Configuring the Hash Algorithm................................................................................................................................ 293
Enabling Deterministic ECMP Next Hop..................................................................................................................293
Configuring the Hash Algorithm Seed...................................................................................................................... 293
Link Bundle Monitoring.....................................................................................................................................................294
Managing ECMP Group Paths.................................................................................................................................. 294
Creating an ECMP Group Bundle............................................................................................................................. 295
Modifying the ECMP Group Threshold....................................................................................................................295
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table........................................296
Support for ECMP in host table................................................................................................................................296
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ........................................................................... 296
RTAG7................................................................................................................................................................................ 296
Flow-based Hashing for ECMP.......................................................................................................................................298
15 FIP Snooping...........................................................................................................................301
Fibre Channel over Ethernet............................................................................................................................................ 301
Ensure Robustness in a Converged Ethernet Network................................................................................................301
FIP Snooping on Ethernet Bridges..................................................................................................................................302
FIP Snooping in a Switch Stack...................................................................................................................................... 304
Using FIP Snooping...........................................................................................................................................................304
FIP Snooping Prerequisites........................................................................................................................................ 304
Important Points to Remember.................................................................................................................................304
Enabling the FCoE Transit Feature...........................................................................................................................305
Enable FIP Snooping on VLANs................................................................................................................................ 305
Configure the FC-MAP Value....................................................................................................................................306
Configure a Port for a Bridge-to-Bridge Link.......................................................................................................... 306
Configure a Port for a Bridge-to-FCF Link..............................................................................................................306
Impact on Other Software Features.........................................................................................................................306
FIP Snooping Restrictions..........................................................................................................................................306
Configuring FIP Snooping...........................................................................................................................................307
Displaying FIP Snooping Information.............................................................................................................................. 307
FCoE Transit Configuration Example.............................................................................................................................. 312
16 Flex Hash and Optimized Boot-Up............................................................................................. 314
Flex Hash Capability Overview.........................................................................................................................................314
Configuring the Flex Hash Mechanism........................................................................................................................... 314
Configuring Fast Boot and LACP Fast Switchover.......................................................................................................315
Optimizing the Boot Time.................................................................................................................................................315
Interoperation of Applications with Fast Boot and System States............................................................................. 316
RDMA Over Converged Ethernet (RoCE) Overview....................................................................................................318
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.........................................................................................319
17 Force10 Resilient Ring Protocol (FRRP).................................................................................... 320
Protocol Overview............................................................................................................................................................ 320
Ring Status....................................................................................................................................................................321
Multiple FRRP Rings.................................................................................................................................................... 321
Important FRRP Points...............................................................................................................................................322
Important FRRP Concepts.........................................................................................................................................323
Implementing FRRP.......................................................................................................................................................... 323
FRRP Configuration.......................................................................................................................................................... 324
10
Contents
Creating the FRRP Group.......................................................................................................................................... 324
Configuring the Control VLAN...................................................................................................................................324
Configuring and Adding the Member VLANs.......................................................................................................... 325
Setting the FRRP Timers........................................................................................................................................... 326
Clearing the FRRP Counters......................................................................................................................................326
Viewing the FRRP Configuration.............................................................................................................................. 326
Viewing the FRRP Information.................................................................................................................................. 326
Troubleshooting FRRP......................................................................................................................................................327
Sample Configuration and Topology............................................................................................................................... 327
FRRP Support on VLT......................................................................................................................................................328
18 GARP VLAN Registration Protocol (GVRP)................................................................................ 331
Configure GVRP.................................................................................................................................................................331
Enabling GVRP Globally....................................................................................................................................................332
Enabling GVRP on a Layer 2 Interface........................................................................................................................... 333
Configure GVRP Registration..........................................................................................................................................333
Configure a GARP Timer..................................................................................................................................................333
19 Internet Group Management Protocol (IGMP)........................................................................... 335
IGMP Protocol Overview................................................................................................................................................. 335
IGMP Version 2............................................................................................................................................................335
IGMP Version 3............................................................................................................................................................336
Configure IGMP.................................................................................................................................................................339
Viewing IGMP Enabled Interfaces...................................................................................................................................339
Selecting an IGMP Version.............................................................................................................................................. 340
Viewing IGMP Groups...................................................................................................................................................... 340
Viewing IGMP Snooping Groups......................................................................................................................................341
Adjusting Timers.................................................................................................................................................................341
Adjusting Query and Response Timers......................................................................................................................341
Enabling IGMP Immediate-Leave....................................................................................................................................342
IGMP Snooping..................................................................................................................................................................342
Configuring IGMP Snooping...................................................................................................................................... 342
Removing a Group-Port Association.........................................................................................................................343
Disabling Multicast Flooding.......................................................................................................................................343
Specifying a Port as Connected to a Multicast Router..........................................................................................343
Configuring the Switch as Querier............................................................................................................................344
Fast Convergence after MSTP Topology Changes......................................................................................................344
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................... 344
Designating a Multicast Router Interface...................................................................................................................... 350
20 Interfaces...............................................................................................................................351
Interface Types..................................................................................................................................................................352
View Basic Interface Information.................................................................................................................................... 352
Resetting an Interface to its Factory Default State..................................................................................................... 354
Enabling a Physical Interface........................................................................................................................................... 354
Physical Interfaces............................................................................................................................................................ 354
Configuration Task List for Physical Interfaces.......................................................................................................355
40G to 1G Breakout Cable Adaptor.......................................................................................................................... 355
Overview of Layer Modes..........................................................................................................................................355
Contents
11
Configuring Layer 2 (Data Link) Mode.....................................................................................................................356
Configuring Layer 2 (Interface) Mode......................................................................................................................356
Configuring Layer 3 (Network) Mode...................................................................................................................... 356
Configuring Layer 3 (Interface) Mode......................................................................................................................357
Automatic recovery of an Err-disabled interface.......................................................................................................... 357
Configuring an automatic recovery for an Err-disabled interface.........................................................................358
Egress Interface Selection (EIS).....................................................................................................................................359
Configuring EIS............................................................................................................................................................359
Management Interfaces................................................................................................................................................... 359
Configuring Management Interfaces........................................................................................................................359
Configuring a Management Interface on an Ethernet Port....................................................................................361
VLAN Interfaces.................................................................................................................................................................361
Loopback Interfaces......................................................................................................................................................... 362
Null Interfaces....................................................................................................................................................................362
Configuring Port Delay..................................................................................................................................................... 363
Port Channel Interfaces................................................................................................................................................... 363
Port Channel Definition and Standards.................................................................................................................... 363
Port Channel Benefits.................................................................................................................................................363
Port Channel Implementation.................................................................................................................................... 363
Interfaces in Port Channels........................................................................................................................................364
Configuration Tasks for Port Channel Interfaces....................................................................................................364
Creating a Port Channel............................................................................................................................................. 364
Adding a Physical Interface to a Port Channel........................................................................................................365
Reassigning an Interface to a New Port Channel................................................................................................... 366
Configuring the Minimum Oper Up Links in a Port Channel.................................................................................. 367
Adding or Removing a Port Channel from a VLAN.................................................................................................367
Assigning an IP Address to a Port Channel..............................................................................................................368
Deleting or Disabling a Port Channel.........................................................................................................................368
Load Balancing Through Port Channels................................................................................................................... 368
Changing the Hash Algorithm....................................................................................................................................369
Bulk Configuration.............................................................................................................................................................369
Interface Range........................................................................................................................................................... 369
Bulk Configuration Examples..................................................................................................................................... 370
Defining Interface Range Macros.................................................................................................................................... 371
Define the Interface Range.........................................................................................................................................371
Choosing an Interface-Range Macro.........................................................................................................................371
Monitoring and Maintaining Interfaces...........................................................................................................................372
Maintenance Using TDR.............................................................................................................................................373
Non Dell-Qualified Transceivers...................................................................................................................................... 373
Splitting 40G Ports without Reload................................................................................................................................ 373
Splitting QSFP Ports to SFP+ Ports...............................................................................................................................375
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................... 376
Configuring wavelength for 10–Gigabit SFP+ optics...................................................................................................380
Link Dampening..................................................................................................................................................................381
Enabling Link Dampening............................................................................................................................................383
Link Bundle Monitoring.....................................................................................................................................................384
Using Ethernet Pause Frames for Flow Control........................................................................................................... 384
Enabling Pause Frames...............................................................................................................................................385
Configure the MTU Size on an Interface.......................................................................................................................385
Port-Pipes.......................................................................................................................................................................... 386
12
Contents
Auto-Negotiation on Ethernet Interfaces...................................................................................................................... 386
Setting the Speed of Ethernet Interfaces................................................................................................................386
Set Auto-Negotiation Options................................................................................................................................... 387
View Advanced Interface Information............................................................................................................................388
Configuring the Interface Sampling Size..................................................................................................................389
Configuring the Traffic Sampling Size Globally............................................................................................................. 390
Dynamic Counters..............................................................................................................................................................391
Clearing Interface Counters........................................................................................................................................391
Compressing Configuration Files.....................................................................................................................................392
21 IPv4 Routing...........................................................................................................................395
IP Addresses...................................................................................................................................................................... 396
Configuration Tasks for IP Addresses............................................................................................................................ 396
Assigning IP Addresses to an Interface..........................................................................................................................396
Configuring Static Routes................................................................................................................................................ 397
Adding description for IPv4 and IPv6 static routes................................................................................................ 398
Configure Static Routes for the Management Interface.............................................................................................398
Using the Configured Source IP Address in ICMP Messages.....................................................................................399
Configuring the Duration to Establish a TCP Connection........................................................................................... 399
Enabling Directed Broadcast........................................................................................................................................... 400
Resolution of Host Names............................................................................................................................................... 400
Enabling Dynamic Resolution of Host Names............................................................................................................... 400
Specifying the Local System Domain and a List of Domains....................................................................................... 401
Configuring DNS with Traceroute................................................................................................................................... 401
ARP..................................................................................................................................................................................... 402
Configuration Tasks for ARP........................................................................................................................................... 402
Configuring Static ARP Entries....................................................................................................................................... 402
Enabling Proxy ARP.......................................................................................................................................................... 402
Clearing ARP Cache..........................................................................................................................................................403
ARP Learning via Gratuitous ARP...................................................................................................................................403
Enabling ARP Learning via Gratuitous ARP................................................................................................................... 403
ARP Learning via ARP Request.......................................................................................................................................403
Configuring ARP Retries.................................................................................................................................................. 404
ICMP...................................................................................................................................................................................405
Configuration Tasks for ICMP.........................................................................................................................................405
Enabling ICMP Unreachable Messages..........................................................................................................................405
ICMP Redirects................................................................................................................................................................. 405
UDP Helper........................................................................................................................................................................ 406
Enabling UDP Helper.........................................................................................................................................................407
Configuring a Broadcast Address....................................................................................................................................407
Configurations Using UDP Helper...................................................................................................................................408
UDP Helper with Broadcast-All Addresses....................................................................................................................408
UDP Helper with Subnet Broadcast Addresses............................................................................................................408
UDP Helper with Configured Broadcast Addresses..................................................................................................... 409
UDP Helper with No Configured Broadcast Addresses...............................................................................................409
Troubleshooting UDP Helper............................................................................................................................................410
22 IPv6 Routing........................................................................................................................... 411
Protocol Overview..............................................................................................................................................................411
Contents
13
Extended Address Space.............................................................................................................................................411
Stateless Autoconfiguration........................................................................................................................................ 411
IPv6 Headers................................................................................................................................................................ 412
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support....................................................................... 412
IPv6 Header Fields....................................................................................................................................................... 413
Extension Header Fields.............................................................................................................................................. 414
Addressing.....................................................................................................................................................................415
Implementing IPv6 with Dell EMC Networking OS....................................................................................................... 416
ICMPv6............................................................................................................................................................................... 418
Path MTU discovery..........................................................................................................................................................418
IPv6 Neighbor Discovery.................................................................................................................................................. 419
IPv6 Neighbor Discovery of MTU Packets...............................................................................................................419
Configuring the IPv6 Recursive DNS Server............................................................................................................419
Debugging IPv6 RDNSS Information Sent to the Host .........................................................................................420
Displaying IPv6 RDNSS Information......................................................................................................................... 420
Secure Shell (SSH) Over an IPv6 Transport..................................................................................................................421
Configuration Tasks for IPv6............................................................................................................................................421
Adjusting Your CAM-Profile........................................................................................................................................421
Assigning an IPv6 Address to an Interface.............................................................................................................. 422
Assigning a Static IPv6 Route....................................................................................................................................422
Configuring Telnet with IPv6..................................................................................................................................... 423
SNMP over IPv6..........................................................................................................................................................423
Displaying IPv6 Information........................................................................................................................................423
Displaying an IPv6 Interface Information..................................................................................................................424
Showing IPv6 Routes..................................................................................................................................................424
Showing the Running-Configuration for an Interface............................................................................................ 425
Clearing IPv6 Routes.................................................................................................................................................. 426
Disabling ND Entry Timeout.......................................................................................................................................426
Configuring IPv6 RA Guard..............................................................................................................................................426
Configuring IPv6 RA Guard on an Interface............................................................................................................ 428
Monitoring IPv6 RA Guard......................................................................................................................................... 428
23 iSCSI Optimization................................................................................................................. 429
iSCSI Optimization Overview...........................................................................................................................................429
Monitoring iSCSI Traffic Flows..................................................................................................................................430
Application of Quality of Service to iSCSI Traffic Flows........................................................................................ 430
Information Monitored in iSCSI Traffic Flows.......................................................................................................... 431
Detection and Auto-Configuration for Dell EqualLogic Arrays...............................................................................431
Configuring Detection and Ports for Dell Compellent Arrays................................................................................ 432
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................. 432
Enable and Disable iSCSI Optimization.....................................................................................................................433
Default iSCSI Optimization Values.................................................................................................................................. 433
iSCSI Optimization Prerequisites.....................................................................................................................................433
Configuring iSCSI Optimization....................................................................................................................................... 434
Displaying iSCSI Optimization Information.....................................................................................................................435
24 Intermediate System to Intermediate System............................................................................437
IS-IS Protocol Overview................................................................................................................................................... 437
IS-IS Addressing................................................................................................................................................................ 437
14
Contents
Multi-Topology IS-IS......................................................................................................................................................... 438
Transition Mode...........................................................................................................................................................438
Interface Support........................................................................................................................................................ 438
Adjacencies...................................................................................................................................................................438
Graceful Restart................................................................................................................................................................439
Timers........................................................................................................................................................................... 439
Implementation Information.............................................................................................................................................439
Configuration Information................................................................................................................................................ 440
Configuration Tasks for IS-IS.....................................................................................................................................440
Configuring the Distance of a Route.........................................................................................................................447
Changing the IS-Type................................................................................................................................................. 447
Redistributing IPv4 Routes.........................................................................................................................................449
Redistributing IPv6 Routes........................................................................................................................................ 449
Configuring Authentication Passwords....................................................................................................................450
Setting the Overload Bit.............................................................................................................................................450
Debugging IS-IS............................................................................................................................................................451
IS-IS Metric Styles............................................................................................................................................................ 452
Configure Metric Values...................................................................................................................................................452
Maximum Values in the Routing Table..................................................................................................................... 452
Change the IS-IS Metric Style in One Level Only................................................................................................... 452
Leaks from One Level to Another............................................................................................................................. 454
Sample Configurations......................................................................................................................................................454
25 In-Service Software Upgrade...................................................................................................457
ISSU Introduction.............................................................................................................................................................. 457
Fastboot 2.0 (Zero Loss Upgrade)................................................................................................................................. 457
L2 ISSU...............................................................................................................................................................................457
L3 ISSU...............................................................................................................................................................................458
CoPP...................................................................................................................................................................................458
Mirroring flow control packets........................................................................................................................................ 459
PFC..................................................................................................................................................................................... 459
QoS..................................................................................................................................................................................... 459
Tunnel Configuration........................................................................................................................................................ 459
26 Link Aggregation Control Protocol (LACP)................................................................................460
Introduction to Dynamic LAGs and LACP......................................................................................................................460
Important Points to Remember.................................................................................................................................460
LACP Modes................................................................................................................................................................460
Configuring LACP Commands....................................................................................................................................461
LACP Configuration Tasks................................................................................................................................................461
Creating a LAG............................................................................................................................................................. 461
Configuring the LAG Interfaces as Dynamic............................................................................................................462
Setting the LACP Long Timeout............................................................................................................................... 462
Monitoring and Debugging LACP..............................................................................................................................463
Shared LAG State Tracking............................................................................................................................................. 463
Configuring Shared LAG State Tracking..................................................................................................................464
Important Points about Shared LAG State Tracking..............................................................................................465
LACP Basic Configuration Example................................................................................................................................465
Configure a LAG on ALPHA.......................................................................................................................................465
Contents
15
27 Layer 2................................................................................................................................... 473
Manage the MAC Address Table.................................................................................................................................... 473
Clearing the MAC Address Table...............................................................................................................................473
Setting the Aging Time for Dynamic Entries............................................................................................................473
Configuring a Static MAC Address........................................................................................................................... 473
Displaying the MAC Address Table........................................................................................................................... 474
MAC Learning Limit...........................................................................................................................................................474
Setting the MAC Learning Limit................................................................................................................................ 474
mac learning-limit Dynamic.........................................................................................................................................475
mac learning-limit mac-address-sticky..................................................................................................................... 475
mac learning-limit station-move................................................................................................................................ 475
mac learning-limit no-station-move.......................................................................................................................... 475
Learning Limit Violation Actions.................................................................................................................................476
Setting Station Move Violation Actions....................................................................................................................476
Recovering from Learning Limit and Station Move Violations...............................................................................476
Disabling MAC Address Learning on the System.................................................................................................... 477
Enabling port security..................................................................................................................................................477
NIC Teaming.......................................................................................................................................................................477
Configure Redundant Pairs.............................................................................................................................................. 478
Far-End Failure Detection.................................................................................................................................................481
FEFD State Changes................................................................................................................................................... 481
Configuring FEFD........................................................................................................................................................ 482
Enabling FEFD on an Interface.................................................................................................................................. 483
Debugging FEFD..........................................................................................................................................................483
28 Link Layer Discovery Protocol (LLDP)...................................................................................... 485
802.1AB (LLDP) Overview...............................................................................................................................................485
Protocol Data Units.....................................................................................................................................................485
Optional TLVs.................................................................................................................................................................... 486
Management TLVs......................................................................................................................................................486
TIA-1057 (LLDP-MED) Overview................................................................................................................................... 487
TIA Organizationally Specific TLVs........................................................................................................................... 488
Configure LLDP..................................................................................................................................................................491
CONFIGURATION versus INTERFACE Configurations................................................................................................491
Enabling LLDP....................................................................................................................................................................492
Disabling and Undoing LLDP......................................................................................................................................492
Enabling LLDP on Management Ports........................................................................................................................... 492
Disabling and Undoing LLDP on Management Ports..............................................................................................493
Advertising TLVs............................................................................................................................................................... 493
Storing and Viewing Unrecognized LLDP TLVs............................................................................................................494
Viewing the LLDP Configuration.....................................................................................................................................495
Viewing Information Advertised by Adjacent LLDP Neighbors...................................................................................495
Examples of Viewing Information Advertised by Neighbors..................................................................................495
Configuring LLDPDU Intervals.........................................................................................................................................498
Configuring LLDP Notification Interval...........................................................................................................................498
Configuring Transmit and Receive Mode.......................................................................................................................499
Configuring the Time to Live Value.................................................................................................................................499
Debugging LLDP............................................................................................................................................................... 500
16
Contents
Relevant Management Objects....................................................................................................................................... 501
29 Microsoft Network Load Balancing...........................................................................................506
Configuring a Switch for NLB ........................................................................................................................................ 507
Enabling a Switch for Multicast NLB........................................................................................................................507
30 Multicast Source Discovery Protocol (MSDP)........................................................................... 509
Anycast RP......................................................................................................................................................................... 510
Implementation Information.............................................................................................................................................. 511
Configure Multicast Source Discovery Protocol............................................................................................................ 511
Related Configuration Tasks....................................................................................................................................... 511
Enable MSDP..................................................................................................................................................................... 515
Manage the Source-Active Cache.................................................................................................................................. 516
Viewing the Source-Active Cache.............................................................................................................................516
Limiting the Source-Active Cache.............................................................................................................................516
Clearing the Source-Active Cache............................................................................................................................ 516
Enabling the Rejected Source-Active Cache............................................................................................................517
Accept Source-Active Messages that Fail the RFP Check..........................................................................................517
Specifying Source-Active Messages...............................................................................................................................519
Limiting the Source-Active Messages from a Peer......................................................................................................520
Preventing MSDP from Caching a Local Source..........................................................................................................520
Preventing MSDP from Caching a Remote Source..................................................................................................... 520
Preventing MSDP from Advertising a Local Source..................................................................................................... 521
Logging Changes in Peership States..............................................................................................................................522
Terminating a Peership.....................................................................................................................................................522
Clearing Peer Statistics.................................................................................................................................................... 522
Debugging MSDP..............................................................................................................................................................523
MSDP with Anycast RP................................................................................................................................................... 523
Configuring Anycast RP................................................................................................................................................... 524
Reducing Source-Active Message Flooding............................................................................................................525
Specifying the RP Address Used in SA Messages..................................................................................................525
MSDP Sample Configurations......................................................................................................................................... 527
31 Multiple Spanning Tree Protocol (MSTP).................................................................................. 530
Spanning Tree Variations.................................................................................................................................................. 531
Implementation Information........................................................................................................................................531
Configure Multiple Spanning Tree Protocol................................................................................................................... 531
Related Configuration Tasks.......................................................................................................................................531
Enable Multiple Spanning Tree Globally..........................................................................................................................532
Adding and Removing Interfaces.................................................................................................................................... 532
Creating Multiple Spanning Tree Instances................................................................................................................... 532
Influencing MSTP Root Selection................................................................................................................................... 533
Interoperate with Non-Dell Bridges................................................................................................................................ 534
Changing the Region Name or Revision.........................................................................................................................534
Modifying Global Parameters.......................................................................................................................................... 534
Modifying the Interface Parameters...............................................................................................................................535
Setting STP path cost as constant.................................................................................................................................536
Configuring an EdgePort..................................................................................................................................................536
Flush MAC Addresses after a Topology Change.......................................................................................................... 537
Contents
17
MSTP Sample Configurations..........................................................................................................................................537
Debugging and Verifying MSTP Configurations............................................................................................................ 541
32 Multicast Features..................................................................................................................543
Enabling IP Multicast........................................................................................................................................................ 543
Implementation Information.............................................................................................................................................543
Multicast Policies...............................................................................................................................................................544
IPv4 Multicast Policies................................................................................................................................................544
Understanding Multicast Traceroute (mtrace)..............................................................................................................551
Printing Multicast Traceroute (mtrace) Paths.............................................................................................................. 551
Supported Error Codes.................................................................................................................................................... 553
mtrace Scenarios.............................................................................................................................................................. 553
33 Object Tracking......................................................................................................................559
Object Tracking Overview............................................................................................................................................... 559
Track Layer 2 Interfaces............................................................................................................................................ 560
Track Layer 3 Interfaces............................................................................................................................................ 560
Track IPv4 and IPv6 Routes...................................................................................................................................... 560
Set Tracking Delays..................................................................................................................................................... 561
VRRP Object Tracking................................................................................................................................................562
Object Tracking Configuration........................................................................................................................................ 562
Tracking a Layer 2 Interface...................................................................................................................................... 562
Tracking a Layer 3 Interface...................................................................................................................................... 563
Track an IPv4/IPv6 Route......................................................................................................................................... 564
Displaying Tracked Objects..............................................................................................................................................567
34 Open Shortest Path First (OSPFv2 and OSPFv3)...................................................................... 569
Protocol Overview............................................................................................................................................................ 569
Autonomous System (AS) Areas.............................................................................................................................. 569
Area Types................................................................................................................................................................... 570
Networks and Neighbors.............................................................................................................................................571
Router Types................................................................................................................................................................ 571
Designated and Backup Designated Routers...........................................................................................................572
Link-State Advertisements (LSAs)........................................................................................................................... 572
Router Priority and Cost.............................................................................................................................................573
OSPF with Dell EMC Networking OS.............................................................................................................................574
Graceful Restart.......................................................................................................................................................... 574
Fast Convergence (OSPFv2, IPv4 Only)................................................................................................................. 575
Multi-Process OSPFv2 with VRF..............................................................................................................................575
RFC-2328 Compliant OSPF Flooding.......................................................................................................................576
OSPF ACK Packing..................................................................................................................................................... 577
Setting OSPF Adjacency with Cisco Routers.......................................................................................................... 577
Configuration Information................................................................................................................................................ 577
Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................... 578
OSPFv3 NSSA...................................................................................................................................................................589
Configuration Task List for OSPFv3 (OSPF for IPv6).................................................................................................590
Enabling IPv6 Unicast Routing.................................................................................................................................. 590
Applying cost for OSPFv3..........................................................................................................................................590
Assigning IPv6 Addresses on an Interface................................................................................................................591
18
Contents
Assigning Area ID on an Interface..............................................................................................................................591
Assigning OSPFv3 Process ID and Router ID Globally............................................................................................591
Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................... 592
Configuring Stub Areas.............................................................................................................................................. 592
Configuring Passive-Interface................................................................................................................................... 592
Redistributing Routes................................................................................................................................................. 593
Configuring a Default Route...................................................................................................................................... 593
Enabling OSPFv3 Graceful Restart...........................................................................................................................593
OSPFv3 Authentication Using IPsec........................................................................................................................ 595
Troubleshooting OSPFv3...........................................................................................................................................600
MIB Support for OSPFv3................................................................................................................................................. 601
Viewing the OSPFv3 MIB.......................................................................................................................................... 602
35 Policy-based Routing (PBR).................................................................................................... 603
Overview............................................................................................................................................................................ 603
Implementing PBR............................................................................................................................................................ 604
Configuration Task List for Policy-based Routing........................................................................................................ 604
Create a Redirect List.................................................................................................................................................605
Create a Rule for a Redirect-list................................................................................................................................605
Apply a Redirect-list to an Interface using a Redirect-group................................................................................ 606
Sample Configuration....................................................................................................................................................... 609
36 PIM Sparse-Mode (PIM-SM)....................................................................................................613
Implementation Information..............................................................................................................................................613
Protocol Overview............................................................................................................................................................. 613
Requesting Multicast Traffic...................................................................................................................................... 613
Refuse Multicast Traffic..............................................................................................................................................613
Send Multicast Traffic.................................................................................................................................................614
Configuring PIM-SM..........................................................................................................................................................614
Related Configuration Tasks.......................................................................................................................................614
Enable PIM-SM.................................................................................................................................................................. 614
Configuring S,G Expiry Timers......................................................................................................................................... 616
Configuring a Static Rendezvous Point.......................................................................................................................... 616
Overriding Bootstrap Router Updates...................................................................................................................... 616
Configuring a Designated Router.....................................................................................................................................617
Creating Multicast Boundaries and Domains..................................................................................................................618
37 PIM Source-Specific Mode (PIM-SSM).....................................................................................619
Implementation Information..............................................................................................................................................619
Configure PIM-SSM.......................................................................................................................................................... 619
Enabling PIM-SSM............................................................................................................................................................620
Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................... 620
Electing an RP using the BSR Mechanism.................................................................................................................... 622
Enabling RP to Server Specific Multicast Groups...................................................................................................623
38 Port Monitoring......................................................................................................................624
Important Points to Remember.......................................................................................................................................624
Port Monitoring................................................................................................................................................................. 624
Configuring Port Monitoring............................................................................................................................................ 627
Contents
19
Configuring Monitor Multicast Queue............................................................................................................................ 628
Flow-Based Monitoring.................................................................................................................................................... 628
Enabling Flow-Based Monitoring...............................................................................................................................630
Configuring IPv6 Flow-Based Mirroring....................................................................................................................631
Remote Port Mirroring..................................................................................................................................................... 633
Remote Port Mirroring Example................................................................................................................................633
Configuring Remote Port Mirroring.......................................................................................................................... 634
Displaying Remote-Port Mirroring Configurations..................................................................................................635
Configuration procedure for Remote Port Mirroring..............................................................................................636
Encapsulated Remote Port Monitoring..........................................................................................................................640
ERPM Behavior on a typical Dell EMC Networking OS .............................................................................................. 642
Port Monitoring on VLT....................................................................................................................................................643
39 Per-VLAN Spanning Tree Plus (PVST+)....................................................................................646
Protocol Overview............................................................................................................................................................ 646
Implementation Information............................................................................................................................................. 647
Configure Per-VLAN Spanning Tree Plus...................................................................................................................... 647
Enabling PVST+.................................................................................................................................................................647
Disabling PVST+................................................................................................................................................................ 647
Influencing PVST+ Root Selection..................................................................................................................................648
Modifying Global PVST+ Parameters.............................................................................................................................649
Modifying Interface PVST+ Parameters........................................................................................................................650
Configuring an EdgePort..................................................................................................................................................650
PVST+ in Multi-Vendor Networks...................................................................................................................................651
Enabling PVST+ Extend System ID.................................................................................................................................651
PVST+ Sample Configurations........................................................................................................................................652
40 Quality of Service (QoS)......................................................................................................... 654
Implementation Information.............................................................................................................................................656
Port-Based QoS Configurations..................................................................................................................................... 656
Setting dot1p Priorities for Incoming Traffic............................................................................................................656
Honoring dot1p Priorities on Ingress Traffic.............................................................................................................657
Configuring Port-Based Rate Policing......................................................................................................................657
Configuring Port-Based Rate Shaping..................................................................................................................... 658
Policy-Based QoS Configurations...................................................................................................................................658
Classify Traffic.............................................................................................................................................................659
Dot1p to Queue Mapping Requirement.....................................................................................................................661
Create a QoS Policy....................................................................................................................................................662
DSCP Color Maps....................................................................................................................................................... 664
Create Policy Maps.....................................................................................................................................................666
Enabling QoS Rate Adjustment.......................................................................................................................................669
Enabling Strict-Priority Queueing....................................................................................................................................669
Queue Classification Requirements for PFC Functionality..........................................................................................669
Support for marking dot1p value in L3 Input Qos Policy.............................................................................................. 670
Weighted Random Early Detection.................................................................................................................................670
Enabling and Disabling WRED Globally...................................................................................................................... 671
Creating WRED Profiles.............................................................................................................................................. 671
Applying a WRED Profile to Traffic...........................................................................................................................672
Displaying Default and Configured WRED Profiles..................................................................................................672
20
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