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PowerSwitch S5048F-ON

Dell PowerSwitch S5048F-ON, OS9 User guide

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Dell EMC Networking OS Configuration
Guide for the S5048F–ON System
9.14.2.8
September 2020
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other
trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide......................................................................................................... 31
Audience...............................................................................................................................................................................31
Conventions.........................................................................................................................................................................31
Related Documents........................................................................................................................................................... 31
Chapter 2: Configuration Fundamentals...................................................................................... 32
Accessing the Command Line........................................................................................................................................ 32
CLI Modes........................................................................................................................................................................... 32
Navigating CLI Modes................................................................................................................................................ 34
The do Command.............................................................................................................................................................. 37
Undoing Commands..........................................................................................................................................................37
Obtaining Help....................................................................................................................................................................38
Entering and Editing Commands................................................................................................................................... 38
Command History..............................................................................................................................................................39
Filtering show Command Outputs.................................................................................................................................39
Multiple Users in Configuration Mode..........................................................................................................................40
Configuring alias command..............................................................................................................................................41
Viewing alias configuration.........................................................................................................................................41
Chapter 3: Getting Started..........................................................................................................43
Console Access..................................................................................................................................................................43
Serial Console............................................................................................................................................................... 43
Micro USB-B Access.................................................................................................................................................. 44
Default Configuration....................................................................................................................................................... 45
Configuring a Host Name................................................................................................................................................ 45
Accessing the System Remotely................................................................................................................................... 45
Configure the Management Port IP Address....................................................................................................... 45
Configure a Management Route..............................................................................................................................46
Configuring a Username and Password................................................................................................................. 46
Configuring the Enable Password................................................................................................................................. 47
Configuration File Management.....................................................................................................................................48
Copy Files to and from the System.........................................................................................................................48
Mounting an NFS File System.................................................................................................................................. 49
Save the Running-Configuration............................................................................................................................. 50
Configure the Overload Bit for a Startup Scenario............................................................................................. 51
Viewing Files..................................................................................................................................................................51
Managing the File System...............................................................................................................................................52
View Command History................................................................................................................................................... 53
Upgrading Dell EMC Networking OS............................................................................................................................54
Using HTTP for File Transfers....................................................................................................................................... 54
Verify Software Images Before Installation................................................................................................................ 55
Chapter 4: Management.............................................................................................................. 56
Configuring Privilege Levels........................................................................................................................................... 56
Contents
Contents 3
Removing a Command from EXEC Mode..............................................................................................................57
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 57
Allowing Access to CONFIGURATION Mode Commands..................................................................................57
Allowing Access to Different Modes.......................................................................................................................57
Applying a Privilege Level to a Username..............................................................................................................58
Applying a Privilege Level to a Terminal Line....................................................................................................... 58
Configuring Logging......................................................................................................................................................... 59
Audit and Security Logs.............................................................................................................................................59
Configuring Logging Format ..............................................................................................................................61
Setting Up a Secure Connection to a Syslog Server................................................................................. 61
Log Messages in the Internal Buffer............................................................................................................................ 63
Disabling System Logging................................................................................................................................................63
Sending System Messages to a Syslog Server.......................................................................................................... 63
Configuring a UNIX System as a Syslog Server...................................................................................................63
Track Login Activity..........................................................................................................................................................64
Restrictions for Tracking Login Activity................................................................................................................ 64
Configuring Login Activity Tracking........................................................................................................................64
Display Login Statistics.............................................................................................................................................. 64
Limit Concurrent Login Sessions...................................................................................................................................66
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 66
Configuring Concurrent Session Limit....................................................................................................................66
Enabling the System to Clear Existing Sessions..................................................................................................66
Enabling Secured CLI Mode............................................................................................................................................67
Changing System Logging Settings..............................................................................................................................68
Display the Logging Buffer and the Logging Configuration....................................................................................68
Configuring a UNIX Logging Facility Level...................................................................................................................71
Synchronizing Log Messages......................................................................................................................................... 72
Enabling Timestamp on Syslog Messages................................................................................................................... 72
File Transfer Services.......................................................................................................................................................74
Enabling the FTP Server............................................................................................................................................ 74
Configuring FTP Server Parameters.......................................................................................................................74
Configuring FTP Client Parameters........................................................................................................................ 75
Terminal Lines.................................................................................................................................................................... 75
Denying and Permitting Access to a Terminal Line............................................................................................. 75
Configuring Login Authentication for Terminal Lines......................................................................................... 76
Setting Timeout for EXEC Privilege Mode.................................................................................................................. 77
Using Telnet to get to Another Network Device....................................................................................................... 78
Lock CONFIGURATION Mode........................................................................................................................................78
Reloading the system....................................................................................................................................................... 79
Restoring the Factory Default Settings.......................................................................................................................80
Restoring Factory Default Environment Variables.............................................................................................. 80
Chapter 5: 802.1X........................................................................................................................82
Port-Authentication Process..........................................................................................................................................83
EAP over RADIUS........................................................................................................................................................84
Configuring 802.1X............................................................................................................................................................85
Important Points to Remember..................................................................................................................................... 85
Enabling 802.1X..................................................................................................................................................................86
Configuring dot1x Profile ................................................................................................................................................ 87
Configuring the Static MAB and MAB Profile ...........................................................................................................88
4
Contents
Configuring Critical VLAN .............................................................................................................................................. 88
Configuring MAC addresses for a do1x Profile.......................................................................................................... 89
Configuring Request Identity Re-Transmissions........................................................................................................89
Configuring a Quiet Period after a Failed Authentication..................................................................................90
Forcibly Authorizing or Unauthorizing a Port..............................................................................................................91
Re-Authenticating a Port................................................................................................................................................. 91
Configuring Timeouts....................................................................................................................................................... 92
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 93
Guest and Authentication-Fail VLANs..........................................................................................................................94
Configuring a Guest VLAN........................................................................................................................................95
Configuring an Authentication-Fail VLAN............................................................................................................. 95
Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 97
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..............................................................97
Guidelines for Configuring ACL VLAN Groups........................................................................................................... 98
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 98
Configuring ACL VLAN Groups................................................................................................................................98
Configuring FP Blocks for VLAN Parameters.......................................................................................................99
Viewing CAM Usage....................................................................................................................................................... 100
Allocating FP Blocks for VLAN Processes.................................................................................................................102
ACL Optimization to Increase Number of Supported IPv4 ACLs........................................................................ 103
Optimizing ACL for More Number of IPv4 ACL Rules...................................................................................... 103
Chapter 7: Access Control Lists (ACLs)..................................................................................... 104
IP Access Control Lists (ACLs)....................................................................................................................................105
CAM Usage................................................................................................................................................................. 105
Implementing ACLs on Dell EMC Networking OS..............................................................................................106
Configure ACL Range Profiles......................................................................................................................................108
Important Points to Remember....................................................................................................................................108
Configuration Task List for Route Maps..............................................................................................................109
Configuring Match Routes........................................................................................................................................ 111
Configuring Set Conditions...................................................................................................................................... 112
Configure a Route Map for Route Redistribution............................................................................................... 113
Configure a Route Map for Route Tagging.......................................................................................................... 113
Continue Clause.......................................................................................................................................................... 114
IP Fragment Handling...................................................................................................................................................... 114
IP Fragments ACL Examples....................................................................................................................................114
Layer 4 ACL Rules Examples................................................................................................................................... 115
Configure a Standard IP ACL........................................................................................................................................ 115
Configuring a Standard IP ACL Filter.....................................................................................................................116
Configure an Extended IP ACL......................................................................................................................................117
Configuring Filters with a Sequence Number...................................................................................................... 117
Configuring Filters Without a Sequence Number.............................................................................................. 120
Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 121
Assign an IP ACL to an Interface.................................................................................................................................122
Applying an IP ACL.......................................................................................................................................................... 122
Counting ACL Hits..................................................................................................................................................... 122
Configure Ingress ACLs..................................................................................................................................................123
Configure Egress ACLs.................................................................................................................................................. 123
Contents
5
Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................124
Configuring UDF ACL..................................................................................................................................................... 124
IP Prefix Lists....................................................................................................................................................................128
Configuration Task List for Prefix Lists................................................................................................................128
ACL Resequencing........................................................................................................................................................... 131
Resequencing an ACL or Prefix List......................................................................................................................132
Route Maps.......................................................................................................................................................................133
Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 134
How BFD Works...............................................................................................................................................................134
BFD Packet Format...................................................................................................................................................135
BFD Sessions.............................................................................................................................................................. 136
BFD Three-Way Handshake.................................................................................................................................... 137
Session State Changes.............................................................................................................................................138
Important Points to Remember....................................................................................................................................138
Configure BFD.................................................................................................................................................................. 138
Configure BFD for Physical Ports..........................................................................................................................139
Configure BFD for Static Routes........................................................................................................................... 140
Configure BFD for OSPF..........................................................................................................................................143
Configure BFD for OSPFv3..................................................................................................................................... 147
Configure BFD for IS-IS........................................................................................................................................... 150
Configure BFD for BGP............................................................................................................................................152
Configure BFD for VRRP......................................................................................................................................... 158
Configuring Protocol Liveness.................................................................................................................................161
Troubleshooting BFD................................................................................................................................................. 161
Chapter 9: Border Gateway Protocol (BGP)............................................................................... 163
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 163
BGP Autonomous Systems......................................................................................................................................163
AS4 Number Representation.................................................................................................................................. 165
Four-Byte AS Numbers............................................................................................................................................ 167
BGP router ID..............................................................................................................................................................167
Sessions and Peers....................................................................................................................................................167
Establish a Session.................................................................................................................................................... 167
BGP Attributes for selecting Best Path............................................................................................................... 168
Multiprotocol BGP..................................................................................................................................................... 173
BGP global and address family configuration......................................................................................................174
Implement BGP with Dell EMC Networking OS................................................................................................. 175
Configuration Information........................................................................................................................................178
Basic BGP configuration tasks..................................................................................................................................... 178
Prerequisite for configuring a BGP network....................................................................................................... 178
Restrictions..................................................................................................................................................................179
Enabling BGP.............................................................................................................................................................. 179
Enabling four-byte autonomous system numbers.............................................................................................. 181
Changing a BGP router ID........................................................................................................................................ 181
Configuring AS4 Number Representations..........................................................................................................182
Configuring a BGP peer............................................................................................................................................183
Example-Configuring BGP routing between peers............................................................................................184
BGP peer group..........................................................................................................................................................185
6
Contents
Advanced BGP configuration tasks............................................................................................................................. 191
Route-refresh and Soft-reconfiguration...............................................................................................................191
Aggregating Routes...................................................................................................................................................194
Filtering BGP...............................................................................................................................................................196
Configuring BGP Fast Fall-Over.............................................................................................................................201
Configuring Passive Peering...................................................................................................................................203
Enabling Graceful Restart....................................................................................................................................... 203
Redistributing Routes...............................................................................................................................................204
Enabling Additional Paths........................................................................................................................................205
Configuring IP Community Lists............................................................................................................................206
Configuring an IP Extended Community List......................................................................................................207
Configure BGP attributes....................................................................................................................................... 208
Enabling Multipath......................................................................................................................................................211
Route Reflectors........................................................................................................................................................ 212
Enabling Route Flap Dampening.............................................................................................................................213
Changing BGP keepalive and hold timers............................................................................................................ 215
Setting the extended timer..................................................................................................................................... 216
Enabling or disabling BGP neighbors.....................................................................................................................216
Route Map Continue................................................................................................................................................. 218
Configuring BGP Confederations...........................................................................................................................218
Configuring a BGP VRF address family................................................................................................................ 219
Maintaining Existing AS Numbers During an AS Migration.............................................................................220
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 221
Enabling MBGP Configurations.............................................................................................................................. 221
MBGP support for IPv6...........................................................................................................................................222
Configuring IPv6 MBGP between peers..............................................................................................................222
Example-Configuring IPv4 and IPv6 neighbors..................................................................................................223
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor.................................. 225
BGP Regular Expression Optimization.................................................................................................................226
Debugging BGP......................................................................................................................................................... 226
Chapter 10: Content Addressable Memory (CAM)......................................................................229
CAM Allocation................................................................................................................................................................ 229
Test CAM Usage..............................................................................................................................................................231
View CAM-ACL Settings................................................................................................................................................231
View CAM Usage............................................................................................................................................................ 232
CAM Optimization...........................................................................................................................................................233
Troubleshoot CAM Profiling......................................................................................................................................... 233
QoS CAM Region Limitation...................................................................................................................................233
Syslog Error When the Table is Full......................................................................................................................234
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................234
Syslog Warning for Discrepancies Between Configured Extended Prefixes.............................................. 234
Unified Forwarding Table (UFT) Modes....................................................................................................................234
Configuring UFT Modes...........................................................................................................................................234
Chapter 11: Control Plane Policing (CoPP)................................................................................ 236
Configure Control Plane Policing.................................................................................................................................237
Configuring CoPP for Protocols............................................................................................................................238
Configuring CoPP for CPU Queues......................................................................................................................239
Contents
7
Protocol to CPU Queue Mapping..........................................................................................................................240
Configuring Protocol to CPU Queue Mapping....................................................................................................241
Displaying CoPP Configuration .............................................................................................................................242
Chapter 12: Data Center Bridging (DCB)....................................................................................244
Ethernet Enhancements in Data Center Bridging...................................................................................................244
Priority-Based Flow Control................................................................................................................................... 245
Enhanced Transmission Selection.........................................................................................................................246
Data Center Bridging Exchange Protocol (DCBx)............................................................................................ 247
Data Center Bridging in a Traffic Flow................................................................................................................ 248
Buffer Organization.................................................................................................................................................. 248
Enabling Data Center Bridging..................................................................................................................................... 251
DCB Maps and its Attributes.................................................................................................................................. 251
Data Center Bridging: Default Configuration........................................................................................................... 252
Configuring Priority-Based Flow Control.................................................................................................................. 252
Configuring Lossless Queues................................................................................................................................. 253
Configuring PFC in a DCB Map................................................................................................................................... 254
Applying a DCB Map on a Port....................................................................................................................................256
Configuring PFC without a DCB Map........................................................................................................................256
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 258
Shared headroom for lossless or PFC packets........................................................................................................259
Configuring Shared Head Room Buffer...............................................................................................................260
Viewing Shared Head Room Usage....................................................................................................................... 261
Monitoring Buffer Statistics for Tracking Purposes......................................................................................... 261
Behavior of Tagged Packets.........................................................................................................................................261
Configuration Example for DSCP and PFC Priorities.............................................................................................262
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................263
Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................263
PFC and ETS Configuration Examples...................................................................................................................... 265
Using PFC to Manage Converged Ethernet Traffic...............................................................................................265
Operations on Untagged Packets...............................................................................................................................265
Generation of PFC for a Priority for Untagged Packets.......................................................................................266
Configure Enhanced Transmission Selection........................................................................................................... 266
Creating an ETS Priority Group.............................................................................................................................266
ETS Operation with DCBx.......................................................................................................................................267
Configuring ETS in a DCB Map..............................................................................................................................267
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 269
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 269
Applying DCB Policies in a Switch Stack.................................................................................................................. 269
Configure a DCBx Operation........................................................................................................................................269
DCBx Operation.........................................................................................................................................................270
DCBx Port Roles........................................................................................................................................................270
DCB Configuration Exchange..................................................................................................................................271
Configuration Source Election................................................................................................................................ 271
Propagation of DCB Information........................................................................................................................... 272
Auto-Detection and Manual Configuration of the DCBx Version..................................................................272
DCBx Example............................................................................................................................................................273
DCBx Prerequisites and Restrictions....................................................................................................................273
Configuring DCBx......................................................................................................................................................273
Verifying the DCB Configuration................................................................................................................................. 277
8
Contents
QoS dot1p Traffic Classification and Queue Assignment......................................................................................284
Configuring the Dynamic Buffer Method..................................................................................................................284
Sample DCB Configuration...........................................................................................................................................285
Chapter 13: Dynamic Host Configuration Protocol (DHCP)........................................................ 288
DHCP Packet Format and Options.............................................................................................................................288
Assign an IP Address using DHCP.............................................................................................................................. 289
Implementation Information......................................................................................................................................... 290
Configure the System to be a DHCP Server............................................................................................................ 291
Configuring the Server for Automatic Address Allocation...............................................................................291
Specifying a Default Gateway................................................................................................................................292
Configure a Method of Hostname Resolution....................................................................................................293
Using DNS for Address Resolution....................................................................................................................... 293
Using NetBIOS WINS for Address Resolution....................................................................................................293
Creating Manual Binding Entries........................................................................................................................... 293
Debugging the DHCP Server..................................................................................................................................294
Using DHCP Clear Commands...............................................................................................................................294
Configure the System to be a DHCP Client............................................................................................................. 294
Configuring the DHCP Client System.................................................................................................................. 295
DHCP Client on a Management Interface...........................................................................................................296
DHCP Client Operation with Other Features.....................................................................................................296
Configuring DHCP relay source interface................................................................................................................. 297
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................297
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................298
Configure Secure DHCP............................................................................................................................................... 299
Option 82 (DHCPv4 relay options).......................................................................................................................299
DHCPv6 relay agent options..................................................................................................................................300
DHCP Snooping.........................................................................................................................................................300
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 304
Dynamic ARP Inspection......................................................................................................................................... 304
Configuring Dynamic ARP Inspection.................................................................................................................. 305
Source Address Validation............................................................................................................................................306
Enabling IP Source Address Validation................................................................................................................ 306
DHCP MAC Source Address Validation............................................................................................................... 307
Enabling IP+MAC Source Address Validation.....................................................................................................307
Viewing the Number of SAV Dropped Packets................................................................................................. 308
Clearing the Number of SAV Dropped Packets.................................................................................................308
Chapter 14: Equal Cost Multi-Path (ECMP)............................................................................... 309
ECMP for Flow-Based Affinity.................................................................................................................................... 309
Configuring the Hash Algorithm............................................................................................................................309
Enabling Deterministic ECMP Next Hop............................................................................................................. 309
Configuring the Hash Algorithm Seed.................................................................................................................. 310
Link Bundle Monitoring...................................................................................................................................................310
Managing ECMP Group Paths.................................................................................................................................311
Creating an ECMP Group Bundle........................................................................................................................... 311
Modifying the ECMP Group Threshold................................................................................................................. 311
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table...............................312
Support for ECMP in host table.............................................................................................................................312
Contents
9
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes .....................................................................312
Chapter 15: FIP Snooping...........................................................................................................313
Fibre Channel over Ethernet.........................................................................................................................................313
Ensure Robustness in a Converged Ethernet Network..........................................................................................313
FIP Snooping on Ethernet Bridges.............................................................................................................................. 314
Using FIP Snooping......................................................................................................................................................... 316
FIP Snooping Prerequisites..................................................................................................................................... 316
Important Points to Remember..............................................................................................................................316
Enabling the FCoE Transit Feature........................................................................................................................318
Enable FIP Snooping on VLANs..............................................................................................................................318
Configure the FC-MAP Value................................................................................................................................. 318
Configure a Port for a Bridge-to-Bridge Link..................................................................................................... 318
Configure a Port for a Bridge-to-FCF Link..........................................................................................................319
Impact on Other Software Features..................................................................................................................... 319
FIP Snooping Restrictions........................................................................................................................................319
Configuring FIP Snooping........................................................................................................................................ 319
Displaying FIP Snooping Information..........................................................................................................................320
FCoE Transit Configuration Example......................................................................................................................... 325
Chapter 16: Flex Hash and Optimized Boot-Up...........................................................................327
Flex Hash Capability Overview.................................................................................................................................... 327
Configuring the Flex Hash Mechanism...................................................................................................................... 327
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 328
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 328
Chapter 17: Force10 Resilient Ring Protocol (FRRP)..................................................................330
Protocol Overview..........................................................................................................................................................330
Ring Status.................................................................................................................................................................. 331
Multiple FRRP Rings..................................................................................................................................................331
Important FRRP Points............................................................................................................................................332
Important FRRP Concepts......................................................................................................................................333
Implementing FRRP........................................................................................................................................................333
FRRP Configuration........................................................................................................................................................334
Creating the FRRP Group....................................................................................................................................... 334
Configuring the Control VLAN...............................................................................................................................334
Configuring and Adding the Member VLANs..................................................................................................... 335
Setting the FRRP Timers........................................................................................................................................ 336
Clearing the FRRP Counters.................................................................................................................................. 336
Viewing the FRRP Configuration...........................................................................................................................337
Viewing the FRRP Information...............................................................................................................................337
Troubleshooting FRRP................................................................................................................................................... 337
Sample Configuration and Topology...........................................................................................................................337
FRRP Support on VLT................................................................................................................................................... 339
Chapter 18: GARP VLAN Registration Protocol (GVRP)..............................................................341
Configure GVRP.............................................................................................................................................................. 342
Enabling GVRP Globally.................................................................................................................................................342
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 343
10
Contents
Configure GVRP Registration...................................................................................................................................... 343
Configure a GARP Timer............................................................................................................................................... 344
Chapter 19: Internet Group Management Protocol (IGMP)........................................................ 345
IGMP Protocol Overview.............................................................................................................................................. 345
IGMP Version 2..........................................................................................................................................................345
IGMP Version 3..........................................................................................................................................................347
Configure IGMP...............................................................................................................................................................349
Viewing IGMP Enabled Interfaces.............................................................................................................................. 350
Selecting an IGMP Version...........................................................................................................................................350
Viewing IGMP Groups.................................................................................................................................................... 351
Adjusting Timers.............................................................................................................................................................. 351
Adjusting Query and Response Timers................................................................................................................. 351
Enabling IGMP Immediate-Leave................................................................................................................................ 352
IGMP Snooping................................................................................................................................................................352
Configuring IGMP Snooping................................................................................................................................... 352
Removing a Group-Port Association.................................................................................................................... 353
Disabling Multicast Flooding................................................................................................................................... 353
Specifying a Port as Connected to a Multicast Router................................................................................... 353
Configuring the Switch as Querier........................................................................................................................354
Fast Convergence after MSTP Topology Changes................................................................................................354
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................354
Designating a Multicast Router Interface..................................................................................................................361
Chapter 20: Interfaces.............................................................................................................. 362
Interface Types................................................................................................................................................................363
View Basic Interface Information................................................................................................................................363
Resetting an Interface to its Factory Default State...............................................................................................365
Enabling a Physical Interface....................................................................................................................................... 365
Physical Interfaces......................................................................................................................................................... 366
Configuration Task List for Physical Interfaces.................................................................................................366
Overview of Layer Modes.......................................................................................................................................366
Configuring Layer 2 (Data Link) Mode.................................................................................................................367
Configuring Layer 2 (Interface) Mode................................................................................................................. 367
Configuring Layer 3 (Network) Mode..................................................................................................................367
Configuring Layer 3 (Interface) Mode.................................................................................................................368
Egress Interface Selection (EIS).................................................................................................................................368
Configuring EIS..........................................................................................................................................................369
Management Interfaces................................................................................................................................................ 369
Configuring Management Interfaces....................................................................................................................369
Configuring a Management Interface on an Ethernet Port............................................................................ 370
VLAN Interfaces.............................................................................................................................................................. 370
Loopback Interfaces........................................................................................................................................................371
Null Interfaces...................................................................................................................................................................371
Configuring Port Delay...................................................................................................................................................372
Port Channel Interfaces.................................................................................................................................................372
Port Channel Definition and Standards................................................................................................................372
Port Channel Benefits.............................................................................................................................................. 372
Port Channel Implementation.................................................................................................................................373
Contents
11
Interfaces in Port Channels.................................................................................................................................... 373
Configuration Tasks for Port Channel Interfaces..............................................................................................373
Creating a Port Channel.......................................................................................................................................... 374
Adding a Physical Interface to a Port Channel.................................................................................................. 374
Reassigning an Interface to a New Port Channel............................................................................................. 375
Configuring the Minimum Oper Up Links in a Port Channel........................................................................... 376
Adding or Removing a Port Channel from a VLAN........................................................................................... 376
Assigning an IP Address to a Port Channel.........................................................................................................377
Deleting or Disabling a Port Channel.................................................................................................................... 377
Load Balancing Through Port Channels...............................................................................................................378
Load-Balancing Method...........................................................................................................................................378
Changing the Hash Algorithm................................................................................................................................ 378
Bulk Configuration.......................................................................................................................................................... 379
Interface Range......................................................................................................................................................... 379
Bulk Configuration Examples..................................................................................................................................380
Defining Interface Range Macros................................................................................................................................ 381
Define the Interface Range.....................................................................................................................................382
Choosing an Interface-Range Macro................................................................................................................... 382
Monitoring and Maintaining Interfaces......................................................................................................................382
Maintenance Using TDR..........................................................................................................................................383
Non Dell-Qualified Transceivers.................................................................................................................................. 383
Splitting 100G Ports....................................................................................................................................................... 384
Link Dampening............................................................................................................................................................... 385
Enabling Link Dampening.........................................................................................................................................388
Link Bundle Monitoring..................................................................................................................................................389
Using Ethernet Pause Frames for Flow Control......................................................................................................389
Enabling Pause Frames............................................................................................................................................390
Configure the MTU Size on an Interface..................................................................................................................390
Configuring wavelength for 10–Gigabit SFP+ optics............................................................................................. 391
Port-Pipes.........................................................................................................................................................................392
CR4 Auto-Negotiation................................................................................................................................................... 392
Setting the Speed of Ethernet Interfaces................................................................................................................ 392
Speed Setting on 25G Interfaces............................................................................................................................... 393
Configuring 10G speed on 25G ports.........................................................................................................................394
FEC Configuration.......................................................................................................................................................... 395
View Advanced Interface Information........................................................................................................................397
Configuring the Interface Sampling Size.............................................................................................................398
Configuring the Traffic Sampling Size Globally....................................................................................................... 399
Dynamic Counters.......................................................................................................................................................... 400
Clearing Interface Counters................................................................................................................................... 400
Enhanced Validation of Interface Ranges..................................................................................................................401
Compressing Configuration Files................................................................................................................................. 401
OUI on 25G and 50G Interfaces..................................................................................................................................403
Configuring OUI on 25G and 50G Interfaces.....................................................................................................403
Chapter 21: IPv4 Routing...........................................................................................................405
IP Addresses.................................................................................................................................................................... 406
Configuration Tasks for IP Addresses....................................................................................................................... 406
Assigning IP Addresses to an Interface.....................................................................................................................406
Configuring Static Routes.............................................................................................................................................407
12
Contents
Adding description for IPv4 and IPv6 static routes..........................................................................................408
Configure Static Routes for the Management Interface...................................................................................... 409
Using the Configured Source IP Address in ICMP Messages..............................................................................409
Configuring the Duration to Establish a TCP Connection.................................................................................... 409
Enabling Directed Broadcast.........................................................................................................................................410
Resolution of Host Names.............................................................................................................................................410
Enabling Dynamic Resolution of Host Names...........................................................................................................410
Specifying the Local System Domain and a List of Domains................................................................................. 411
Configuring DNS with Traceroute................................................................................................................................ 411
ARP..................................................................................................................................................................................... 412
Configuration Tasks for ARP........................................................................................................................................ 412
Configuring Static ARP Entries.................................................................................................................................... 412
Enabling Proxy ARP.........................................................................................................................................................413
Clearing ARP Cache........................................................................................................................................................ 413
ARP Learning via Gratuitous ARP................................................................................................................................414
Enabling ARP Learning via Gratuitous ARP...............................................................................................................414
ARP Learning via ARP Request....................................................................................................................................414
Configuring ARP Retries................................................................................................................................................ 415
ICMP................................................................................................................................................................................... 415
Configuration Tasks for ICMP...................................................................................................................................... 415
Enabling ICMP Unreachable Messages...................................................................................................................... 416
ICMP Redirects................................................................................................................................................................ 416
UDP Helper........................................................................................................................................................................417
Enabling UDP Helper.......................................................................................................................................................417
Configuring a Broadcast Address................................................................................................................................ 418
Configurations Using UDP Helper................................................................................................................................418
UDP Helper with Broadcast-All Addresses................................................................................................................418
UDP Helper with Subnet Broadcast Addresses....................................................................................................... 419
UDP Helper with Configured Broadcast Addresses............................................................................................... 420
UDP Helper with No Configured Broadcast Addresses.........................................................................................420
Troubleshooting UDP Helper........................................................................................................................................420
Chapter 22: IPv6 Routing.......................................................................................................... 422
Protocol Overview.......................................................................................................................................................... 422
Extended Address Space........................................................................................................................................ 422
Path MTU discovery.................................................................................................................................................422
Stateless Autoconfiguration................................................................................................................................... 423
IPv6 Headers..............................................................................................................................................................424
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support...............................................................424
IPv6 Header Fields.................................................................................................................................................... 424
Extension Header Fields.......................................................................................................................................... 426
Addressing...................................................................................................................................................................427
Implementing IPv6 with Dell EMC Networking OS.................................................................................................427
ICMPv6..............................................................................................................................................................................427
Path MTU discovery.......................................................................................................................................................428
IPv6 Neighbor Discovery...............................................................................................................................................428
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 429
Configuring the IPv6 Recursive DNS Server......................................................................................................429
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 430
Displaying IPv6 RDNSS Information.....................................................................................................................430
Contents
13
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................431
Configuration Tasks for IPv6........................................................................................................................................ 431
Adjusting Your CAM-Profile.................................................................................................................................... 431
Assigning an IPv6 Address to an Interface......................................................................................................... 432
Assigning a Static IPv6 Route................................................................................................................................432
Configuring Telnet with IPv6..................................................................................................................................433
SNMP over IPv6........................................................................................................................................................433
Displaying IPv6 Information.................................................................................................................................... 434
Displaying an IPv6 Interface Information.............................................................................................................434
Showing IPv6 Routes...............................................................................................................................................435
Showing the Running-Configuration for an Interface......................................................................................436
Clearing IPv6 Routes................................................................................................................................................436
Configuring IPv6 RA Guard...........................................................................................................................................437
Chapter 23: iSCSI Optimization.................................................................................................439
iSCSI Optimization Overview....................................................................................................................................... 439
Monitoring iSCSI Traffic Flows..............................................................................................................................440
Application of Quality of Service to iSCSI Traffic Flows..................................................................................441
Information Monitored in iSCSI Traffic Flows.....................................................................................................441
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................442
Configuring Detection and Ports for Dell Compellent Arrays.........................................................................442
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer...........................................................442
Enable and Disable iSCSI Optimization................................................................................................................ 443
Default iSCSI Optimization Values..............................................................................................................................443
iSCSI Optimization Prerequisites................................................................................................................................ 444
Configuring iSCSI Optimization................................................................................................................................... 444
Displaying iSCSI Optimization Information................................................................................................................446
Chapter 24: Intermediate System to Intermediate System.........................................................448
IS-IS Protocol Overview................................................................................................................................................448
IS-IS Addressing.............................................................................................................................................................. 448
Multi-Topology IS-IS...................................................................................................................................................... 449
Transition Mode.........................................................................................................................................................449
Interface Support......................................................................................................................................................449
Adjacencies.................................................................................................................................................................449
Graceful Restart..............................................................................................................................................................450
Timers.......................................................................................................................................................................... 450
Implementation Information......................................................................................................................................... 450
Configuration Information..............................................................................................................................................451
Configuration Tasks for IS-IS..................................................................................................................................451
Configuring the Distance of a Route....................................................................................................................458
Changing the IS-Type.............................................................................................................................................. 458
Redistributing IPv4 Routes......................................................................................................................................461
Redistributing IPv6 Routes......................................................................................................................................461
Configuring Authentication Passwords............................................................................................................... 462
Setting the Overload Bit..........................................................................................................................................463
Debugging IS-IS.........................................................................................................................................................463
IS-IS Metric Styles..........................................................................................................................................................464
Configure Metric Values................................................................................................................................................464
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Maximum Values in the Routing Table.................................................................................................................465
Change the IS-IS Metric Style in One Level Only............................................................................................. 465
Leaks from One Level to Another.........................................................................................................................466
Sample Configurations...................................................................................................................................................467
Chapter 25: Link Aggregation Control Protocol (LACP)............................................................. 470
Introduction to Dynamic LAGs and LACP................................................................................................................. 470
Important Points to Remember............................................................................................................................. 470
LACP Modes................................................................................................................................................................471
Configuring LACP Commands.................................................................................................................................471
LACP Configuration Tasks.............................................................................................................................................471
Creating a LAG...........................................................................................................................................................472
Configuring the LAG Interfaces as Dynamic.......................................................................................................472
Setting the LACP Long Timeout............................................................................................................................473
Monitoring and Debugging LACP.......................................................................................................................... 473
Shared LAG State Tracking.......................................................................................................................................... 473
Configuring Shared LAG State Tracking............................................................................................................. 474
Important Points about Shared LAG State Tracking........................................................................................475
LACP Basic Configuration Example............................................................................................................................476
Configure a LAG on ALPHA....................................................................................................................................476
Chapter 26: Layer 2................................................................................................................... 484
Manage the MAC Address Table.................................................................................................................................484
Clearing the MAC Address Table.......................................................................................................................... 484
Setting the Aging Time for Dynamic Entries...................................................................................................... 484
Configuring a Static MAC Address.......................................................................................................................485
Displaying the MAC Address Table.......................................................................................................................485
MAC Learning Limit........................................................................................................................................................485
Setting the MAC Learning Limit............................................................................................................................ 486
mac learning-limit Dynamic.....................................................................................................................................486
mac learning-limit mac-address-sticky................................................................................................................ 486
mac learning-limit station-move............................................................................................................................ 487
mac learning-limit no-station-move......................................................................................................................487
Learning Limit Violation Actions.............................................................................................................................487
Setting Station Move Violation Actions...............................................................................................................487
Recovering from Learning Limit and Station Move Violations.......................................................................488
Disabling MAC Address Learning on the System.................................................................................................... 488
Enabling port security.................................................................................................................................................... 489
NIC Teaming.....................................................................................................................................................................489
Configure Redundant Pairs.......................................................................................................................................... 490
Far-End Failure Detection.............................................................................................................................................493
FEFD State Changes................................................................................................................................................493
Configuring FEFD......................................................................................................................................................494
Enabling FEFD on an Interface.............................................................................................................................. 495
Debugging FEFD........................................................................................................................................................496
Chapter 27: Link Layer Discovery Protocol (LLDP).....................................................................497
802.1AB (LLDP) Overview............................................................................................................................................497
Protocol Data Units.................................................................................................................................................. 497
Contents
15
Optional TLVs.................................................................................................................................................................. 498
Management TLVs....................................................................................................................................................498
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 500
TIA Organizationally Specific TLVs.......................................................................................................................500
Configure LLDP...............................................................................................................................................................503
CONFIGURATION versus INTERFACE Configurations......................................................................................... 504
Enabling LLDP..................................................................................................................................................................504
Disabling and Undoing LLDP.................................................................................................................................. 505
Enabling LLDP on Management Ports.......................................................................................................................505
Disabling and Undoing LLDP on Management Ports........................................................................................505
Advertising TLVs.............................................................................................................................................................505
Viewing the LLDP Configuration.................................................................................................................................506
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................507
Examples of Viewing Information Advertised by Neighbors...........................................................................507
Configuring LLDPDU Intervals.....................................................................................................................................509
Configuring Transmit and Receive Mode..................................................................................................................509
Configuring the Time to Live Value.............................................................................................................................510
Debugging LLDP............................................................................................................................................................... 511
Relevant Management Objects....................................................................................................................................512
Chapter 28: Microsoft Network Load Balancing......................................................................... 516
Configuring a Switch for NLB ..................................................................................................................................... 517
Enabling a Switch for Multicast NLB.................................................................................................................... 518
Chapter 29: Multicast Source Discovery Protocol (MSDP).........................................................519
Anycast RP.......................................................................................................................................................................520
Implementation Information.......................................................................................................................................... 521
Configure Multicast Source Discovery Protocol......................................................................................................521
Related Configuration Tasks................................................................................................................................... 521
Enable MSDP................................................................................................................................................................... 525
Manage the Source-Active Cache..............................................................................................................................526
Viewing the Source-Active Cache........................................................................................................................ 526
Limiting the Source-Active Cache........................................................................................................................526
Clearing the Source-Active Cache........................................................................................................................527
Enabling the Rejected Source-Active Cache..................................................................................................... 527
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 527
Specifying Source-Active Messages..........................................................................................................................530
Limiting the Source-Active Messages from a Peer.................................................................................................531
Preventing MSDP from Caching a Local Source.....................................................................................................531
Preventing MSDP from Caching a Remote Source................................................................................................532
Preventing MSDP from Advertising a Local Source.............................................................................................. 532
Logging Changes in Peership States......................................................................................................................... 533
Terminating a Peership..................................................................................................................................................533
Clearing Peer Statistics................................................................................................................................................. 533
Debugging MSDP............................................................................................................................................................534
MSDP with Anycast RP.................................................................................................................................................534
Configuring Anycast RP................................................................................................................................................ 535
Reducing Source-Active Message Flooding.......................................................................................................536
Specifying the RP Address Used in SA Messages............................................................................................536
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MSDP Sample Configurations......................................................................................................................................538
Chapter 30: Multicast Listener Discovery Protocol.................................................................... 541
MLD timers.......................................................................................................................................................................544
Reducing Host Response Burstiness....................................................................................................................544
Configuring MLD Version..............................................................................................................................................545
Clearing MLD groups..................................................................................................................................................... 545
Debugging MLD...............................................................................................................................................................545
Explicit Tracking..............................................................................................................................................................545
Reducing Leave Latency...............................................................................................................................................545
Displaying MLD groups table........................................................................................................................................546
Displaying MLD Interfaces............................................................................................................................................546
MLD Snooping................................................................................................................................................................. 546
Enable MLD Snooping.............................................................................................................................................. 547
Disable MLD Snooping............................................................................................................................................. 547
Configure the switch as a querier......................................................................................................................... 547
Specify port as connected to multicast router.................................................................................................. 547
Enable Snooping Explicit Tracking........................................................................................................................ 547
Display the MLD Snooping Table.......................................................................................................................... 548
Chapter 31: Multiple Spanning Tree Protocol (MSTP)................................................................549
Spanning Tree Variations..............................................................................................................................................550
Implementation Information................................................................................................................................... 550
Configure Multiple Spanning Tree Protocol............................................................................................................. 550
Related Configuration Tasks.................................................................................................................................. 550
Enable Multiple Spanning Tree Globally..................................................................................................................... 551
Adding and Removing Interfaces.................................................................................................................................551
Creating Multiple Spanning Tree Instances.............................................................................................................. 551
Influencing MSTP Root Selection...............................................................................................................................553
Interoperate with Non-Dell Bridges............................................................................................................................553
Changing the Region Name or Revision....................................................................................................................553
Modifying Global Parameters.......................................................................................................................................554
Modifying the Interface Parameters..........................................................................................................................555
Setting STP path cost as constant............................................................................................................................ 556
Configuring an EdgePort.............................................................................................................................................. 556
Flush MAC Addresses after a Topology Change.....................................................................................................557
MSTP Sample Configurations...................................................................................................................................... 557
Debugging and Verifying MSTP Configurations.......................................................................................................561
Chapter 32: Multicast Features................................................................................................. 563
Enabling IP Multicast..................................................................................................................................................... 563
Implementation Information......................................................................................................................................... 563
Multicast Policies............................................................................................................................................................ 564
IPv4 Multicast Policies.............................................................................................................................................564
Understanding Multicast Traceroute (mtrace)........................................................................................................ 571
Printing Multicast Traceroute (mtrace) Paths.........................................................................................................571
Supported Error Codes..................................................................................................................................................573
mtrace Scenarios............................................................................................................................................................ 574
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17
Chapter 33: Object Tracking......................................................................................................580
Object Tracking Overview............................................................................................................................................ 580
Track Layer 2 Interfaces..........................................................................................................................................581
Track Layer 3 Interfaces..........................................................................................................................................581
Track IPv4 and IPv6 Routes...................................................................................................................................582
Set Tracking Delays..................................................................................................................................................583
VRRP Object Tracking............................................................................................................................................. 583
Object Tracking Configuration.....................................................................................................................................583
Tracking a Layer 2 Interface.................................................................................................................................. 583
Tracking a Layer 3 Interface.................................................................................................................................. 584
Track an IPv4/IPv6 Route...................................................................................................................................... 585
Displaying Tracked Objects.......................................................................................................................................... 589
Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)....................................................591
Protocol Overview...........................................................................................................................................................591
Autonomous System (AS) Areas........................................................................................................................... 591
Area Types..................................................................................................................................................................592
Networks and Neighbors.........................................................................................................................................593
Router Types..............................................................................................................................................................593
Designated and Backup Designated Routers..................................................................................................... 594
Link-State Advertisements (LSAs).......................................................................................................................594
Router Priority and Cost......................................................................................................................................... 595
OSPF with Dell EMC Networking OS........................................................................................................................ 596
Graceful Restart........................................................................................................................................................596
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 597
Multi-Process OSPFv2 with VRF..........................................................................................................................598
OSPF ACK Packing...................................................................................................................................................598
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 598
Configuration Information.............................................................................................................................................599
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................599
Configuration Task List for OSPFv3 (OSPF for IPv6)............................................................................................ 611
Enabling IPv6 Unicast Routing............................................................................................................................... 612
Assigning IPv6 Addresses on an Interface...........................................................................................................612
Assigning Area ID on an Interface..........................................................................................................................612
Assigning OSPFv3 Process ID and Router ID Globally......................................................................................613
Assigning OSPFv3 Process ID and Router ID to a VRF....................................................................................613
Configuring Stub Areas............................................................................................................................................ 614
Configuring Passive-Interface................................................................................................................................ 614
Redistributing Routes............................................................................................................................................... 614
Configuring a Default Route....................................................................................................................................615
Applying cost for OSPFv3....................................................................................................................................... 615
Enabling OSPFv3 Graceful Restart....................................................................................................................... 615
OSPFv3 Authentication Using IPsec.....................................................................................................................617
Troubleshooting OSPFv3........................................................................................................................................ 623
MIB Support for OSPFv3..............................................................................................................................................624
Viewing the OSPFv3 MIB........................................................................................................................................624
Chapter 35: Policy-based Routing (PBR)...................................................................................626
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Overview........................................................................................................................................................................... 626
Implementing PBR...........................................................................................................................................................627
Configuration Task List for Policy-based Routing.................................................................................................. 627
Create a Redirect List..............................................................................................................................................628
Create a Rule for a Redirect-list............................................................................................................................628
Apply a Redirect-list to an Interface using a Redirect-group.........................................................................630
Sample Configuration.....................................................................................................................................................632
Chapter 36: PIM Sparse-Mode (PIM-SM).................................................................................. 636
Implementation Information......................................................................................................................................... 636
Protocol Overview..........................................................................................................................................................636
Requesting Multicast Traffic..................................................................................................................................636
Refuse Multicast Traffic..........................................................................................................................................637
Send Multicast Traffic............................................................................................................................................. 637
Configuring PIM-SM.......................................................................................................................................................637
Related Configuration Tasks.................................................................................................................................. 638
Enable PIM-SM................................................................................................................................................................638
Configuring S,G Expiry Timers.....................................................................................................................................639
Configuring a Static Rendezvous Point.....................................................................................................................639
Overriding Bootstrap Router Updates................................................................................................................. 639
Configuring a Designated Router................................................................................................................................640
Creating Multicast Boundaries and Domains............................................................................................................ 641
Electing an RP using the BSR Mechanism................................................................................................................ 641
Chapter 37: PIM Source-Specific Mode (PIM-SSM).................................................................. 643
Implementation Information..........................................................................................................................................643
Configure PIM-SSM....................................................................................................................................................... 643
Enabling PIM-SSM..........................................................................................................................................................644
Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 644
Electing an RP using the BSR Mechanism............................................................................................................... 645
Enabling RP to Server Specific Multicast Groups.............................................................................................647
Chapter 38: Port Monitoring......................................................................................................648
Important Points to Remember................................................................................................................................... 648
Port Monitoring............................................................................................................................................................... 649
Configuring Port Monitoring........................................................................................................................................ 650
Configuring Monitor Multicast Queue....................................................................................................................... 652
Flow-Based Monitoring................................................................................................................................................. 652
Enabling Flow-Based Monitoring...........................................................................................................................653
Remote Port Mirroring.................................................................................................................................................. 655
Remote Port Mirroring Example............................................................................................................................655
Configuring Remote Port Mirroring......................................................................................................................656
Displaying Remote-Port Mirroring Configurations............................................................................................658
Configuration procedure for Remote Port Mirroring....................................................................................... 658
Encapsulated Remote Port Monitoring..................................................................................................................... 662
ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................664
Port Monitoring on VLT................................................................................................................................................ 665
Chapter 39: Private VLANs (PVLAN)......................................................................................... 668
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19
Private VLAN Concepts................................................................................................................................................ 668
Using the Private VLAN Commands.......................................................................................................................... 669
Configuration Task List..................................................................................................................................................670
Creating PVLAN ports............................................................................................................................................. 670
Creating a Primary VLAN........................................................................................................................................ 670
Creating a Community VLAN.................................................................................................................................. 671
Creating an Isolated VLAN......................................................................................................................................672
Private VLAN Configuration Example........................................................................................................................ 673
Inspecting the Private VLAN Configuration............................................................................................................. 674
Chapter 40: Per-VLAN Spanning Tree Plus (PVST+)..................................................................676
Protocol Overview.......................................................................................................................................................... 676
Implementation Information..........................................................................................................................................677
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 678
Enabling PVST+...............................................................................................................................................................678
Disabling PVST+..............................................................................................................................................................678
Influencing PVST+ Root Selection..............................................................................................................................679
Modifying Global PVST+ Parameters........................................................................................................................ 680
Modifying Interface PVST+ Parameters................................................................................................................... 680
Configuring an EdgePort............................................................................................................................................... 681
PVST+ in Multi-Vendor Networks.............................................................................................................................. 682
Enabling PVST+ Extend System ID............................................................................................................................ 682
PVST+ Sample Configurations.................................................................................................................................... 683
Chapter 41: Quality of Service (QoS).........................................................................................685
Implementation Information..........................................................................................................................................687
Port-Based QoS Configurations..................................................................................................................................687
Setting dot1p Priorities for Incoming Traffic...................................................................................................... 687
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................688
Configuring Port-Based Rate Policing................................................................................................................. 688
Configuring Port-Based Rate Shaping.................................................................................................................689
Policy-Based QoS Configurations...............................................................................................................................690
Classify Traffic...........................................................................................................................................................690
Dot1p to Queue Mapping Requirement................................................................................................................693
Create a QoS Policy................................................................................................................................................. 694
DSCP Color Maps..................................................................................................................................................... 696
Create Policy Maps...................................................................................................................................................698
Enabling QoS Rate Adjustment.................................................................................................................................... 701
Enabling Strict-Priority Queueing................................................................................................................................ 701
Queue Classification Requirements for PFC Functionality................................................................................... 702
Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 702
Weighted Random Early Detection.............................................................................................................................703
Enabling and Disabling WRED Globally.................................................................................................................703
Creating WRED Profiles...........................................................................................................................................704
Applying a WRED Profile to Traffic.......................................................................................................................704
Displaying Default and Configured WRED Profiles........................................................................................... 704
Displaying WRED Drop Statistics.......................................................................................................................... 704
Displaying egress–queue Statistics...................................................................................................................... 705
Pre-Calculating Available QoS CAM Space.............................................................................................................. 705
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