Dell OS9 Owner's manual

OS9
Dell
Brand
Dell
Model
OS9
Category
Software
Type
Owner's manual
Dell EMC Networking OS Configuration
Guide for the S5048F–ON System
9.14.2.4
November 2019
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.
© 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Other trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide......................................................................................................... 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.............................................................................................................................................................. 36
Undoing Commands..........................................................................................................................................................37
Obtaining Help....................................................................................................................................................................37
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.....................................................................................................................................47
Copy Files to and from the System.........................................................................................................................47
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................................................................................................................ 54
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............................................................................................................................ 62
Disabling System Logging............................................................................................................................................... 62
Sending System Messages to a Syslog Server.......................................................................................................... 63
Configuring a UNIX System as a Syslog Server...................................................................................................63
Track Login Activity..........................................................................................................................................................63
Restrictions for Tracking Login Activity................................................................................................................ 63
Configuring Login Activity Tracking........................................................................................................................63
Display Login Statistics.............................................................................................................................................. 64
Limit Concurrent Login Sessions...................................................................................................................................65
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 65
Configuring Concurrent Session Limit................................................................................................................... 66
Enabling the System to Clear Existing Sessions..................................................................................................66
Enabling Secured CLI Mode............................................................................................................................................67
Changing System Logging Settings..............................................................................................................................67
Display the Logging Buffer and the Logging Configuration....................................................................................68
Configuring a UNIX Logging Facility Level..................................................................................................................70
Synchronizing Log Messages.......................................................................................................................................... 71
Enabling Timestamp on Syslog Messages................................................................................................................... 72
File Transfer Services.......................................................................................................................................................73
Enabling the FTP Server............................................................................................................................................ 73
Configuring FTP Server Parameters.......................................................................................................................74
Configuring FTP Client Parameters........................................................................................................................ 74
Terminal Lines.....................................................................................................................................................................74
Denying and Permitting Access to a Terminal Line............................................................................................. 75
Configuring Login Authentication for Terminal Lines......................................................................................... 76
Setting Timeout for EXEC Privilege Mode..................................................................................................................76
Using Telnet to get to Another Network Device....................................................................................................... 77
Lock CONFIGURATION Mode........................................................................................................................................77
Reloading the system....................................................................................................................................................... 78
Restoring the Factory Default Settings....................................................................................................................... 79
Restoring Factory Default Environment Variables.............................................................................................. 79
Chapter 5: 802.1X........................................................................................................................ 81
Port-Authentication Process..........................................................................................................................................82
EAP over RADIUS........................................................................................................................................................83
Configuring 802.1X............................................................................................................................................................84
Important Points to Remember..................................................................................................................................... 84
Enabling 802.1X................................................................................................................................................................. 85
Configuring dot1x Profile ................................................................................................................................................86
Configuring the Static MAB and MAB Profile ...........................................................................................................87
4
Contents
Configuring Critical VLAN .............................................................................................................................................. 87
Configuring MAC addresses for a do1x Profile.......................................................................................................... 88
Configuring Request Identity Re-Transmissions........................................................................................................88
Configuring a Quiet Period after a Failed Authentication..................................................................................89
Forcibly Authorizing or Unauthorizing a Port.............................................................................................................90
Re-Authenticating a Port................................................................................................................................................ 90
Configuring Timeouts........................................................................................................................................................91
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 92
Guest and Authentication-Fail VLANs......................................................................................................................... 93
Configuring a Guest VLAN........................................................................................................................................ 94
Configuring an Authentication-Fail VLAN............................................................................................................. 94
Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 96
Optimizing CAM Utilization During the Attachment of ACLs to VLANs............................................................. 96
Guidelines for Configuring ACL VLAN Groups........................................................................................................... 97
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 97
Configuring ACL VLAN Groups................................................................................................................................ 97
Configuring FP Blocks for VLAN Parameters.......................................................................................................98
Viewing CAM Usage......................................................................................................................................................... 99
Allocating FP Blocks for VLAN Processes................................................................................................................. 101
ACL Optimization to Increase Number of Supported IPv4 ACLs........................................................................ 102
Optimizing ACL for More Number of IPv4 ACL Rules...................................................................................... 102
Chapter 7: Access Control Lists (ACLs)..................................................................................... 103
IP Access Control Lists (ACLs)....................................................................................................................................104
CAM Usage................................................................................................................................................................. 104
Implementing ACLs on Dell EMC Networking OS..............................................................................................105
Configure ACL Range Profiles...................................................................................................................................... 107
Important Points to Remember....................................................................................................................................107
Configuration Task List for Route Maps.............................................................................................................. 108
Configuring Match Routes....................................................................................................................................... 110
Configuring Set Conditions....................................................................................................................................... 111
Configure a Route Map for Route Redistribution............................................................................................... 112
Configure a Route Map for Route Tagging.......................................................................................................... 112
Continue Clause.......................................................................................................................................................... 112
IP Fragment Handling...................................................................................................................................................... 113
IP Fragments ACL Examples....................................................................................................................................113
Layer 4 ACL Rules Examples....................................................................................................................................113
Configure a Standard IP ACL........................................................................................................................................ 114
Configuring a Standard IP ACL Filter.................................................................................................................... 115
Configure an Extended IP ACL..................................................................................................................................... 116
Configuring Filters with a Sequence Number......................................................................................................116
Configuring Filters Without a Sequence Number............................................................................................... 119
Configure Layer 2 and Layer 3 ACLs.......................................................................................................................... 120
Assign an IP ACL to an Interface.................................................................................................................................120
Applying an IP ACL...........................................................................................................................................................121
Counting ACL Hits......................................................................................................................................................121
Configure Ingress ACLs..................................................................................................................................................122
Configure Egress ACLs.................................................................................................................................................. 122
Contents
5
Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................123
Configuring UDF ACL..................................................................................................................................................... 123
IP Prefix Lists....................................................................................................................................................................127
Configuration Task List for Prefix Lists................................................................................................................127
ACL Resequencing.......................................................................................................................................................... 130
Resequencing an ACL or Prefix List.......................................................................................................................131
Route Maps.......................................................................................................................................................................132
Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 133
How BFD Works...............................................................................................................................................................133
BFD Packet Format...................................................................................................................................................134
BFD Sessions.............................................................................................................................................................. 135
BFD Three-Way Handshake.................................................................................................................................... 136
Session State Changes............................................................................................................................................. 137
Important Points to Remember.................................................................................................................................... 137
Configure BFD.................................................................................................................................................................. 137
Configure BFD for Physical Ports..........................................................................................................................138
Configure BFD for Static Routes........................................................................................................................... 139
Configure BFD for OSPF..........................................................................................................................................142
Configure BFD for OSPFv3.....................................................................................................................................146
Configure BFD for IS-IS........................................................................................................................................... 149
Configure BFD for BGP.............................................................................................................................................151
Configure BFD for VRRP......................................................................................................................................... 157
Configuring Protocol Liveness................................................................................................................................160
Troubleshooting BFD................................................................................................................................................ 160
Chapter 9: Border Gateway Protocol (BGP)............................................................................... 162
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 162
BGP Autonomous Systems......................................................................................................................................162
AS4 Number Representation.................................................................................................................................. 164
Four-Byte AS Numbers............................................................................................................................................ 166
BGP router ID............................................................................................................................................................. 166
Sessions and Peers....................................................................................................................................................166
Establish a Session.................................................................................................................................................... 166
BGP Attributes for selecting Best Path............................................................................................................... 167
Multiprotocol BGP..................................................................................................................................................... 172
BGP global and address family configuration......................................................................................................173
Implement BGP with Dell EMC Networking OS................................................................................................. 174
Configuration Information........................................................................................................................................ 177
Basic BGP configuration tasks......................................................................................................................................177
Prerequisite for configuring a BGP network....................................................................................................... 177
Restrictions..................................................................................................................................................................178
Enabling BGP.............................................................................................................................................................. 178
Enabling four-byte autonomous system numbers............................................................................................. 180
Changing a BGP router ID....................................................................................................................................... 180
Configuring AS4 Number Representations.......................................................................................................... 181
Configuring a BGP peer............................................................................................................................................182
Example-Configuring BGP routing between peers............................................................................................183
BGP peer group..........................................................................................................................................................184
6
Contents
Advanced BGP configuration tasks............................................................................................................................ 190
Route-refresh and Soft-reconfiguration..............................................................................................................190
Aggregating Routes...................................................................................................................................................193
Filtering BGP...............................................................................................................................................................195
Configuring BGP Fast Fall-Over............................................................................................................................200
Configuring Passive Peering................................................................................................................................... 201
Enabling Graceful Restart....................................................................................................................................... 202
Redistributing Routes...............................................................................................................................................203
Enabling Additional Paths........................................................................................................................................204
Configuring IP Community Lists............................................................................................................................204
Configuring an IP Extended Community List..................................................................................................... 205
Configure BGP attributes....................................................................................................................................... 206
Enabling Multipath.....................................................................................................................................................210
Route Reflectors........................................................................................................................................................210
Enabling Route Flap Dampening.............................................................................................................................212
Changing BGP keepalive and hold timers............................................................................................................ 214
Setting the extended timer..................................................................................................................................... 214
Enabling or disabling BGP neighbors.....................................................................................................................215
Route Map Continue................................................................................................................................................. 216
Configuring BGP Confederations...........................................................................................................................217
Configuring a BGP VRF address family................................................................................................................ 217
Maintaining Existing AS Numbers During an AS Migration..............................................................................218
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 219
Enabling MBGP Configurations............................................................................................................................. 220
MBGP support for IPv6...........................................................................................................................................220
Configuring IPv6 MBGP between peers............................................................................................................. 220
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 221
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor...................................223
BGP Regular Expression Optimization.................................................................................................................225
Debugging BGP......................................................................................................................................................... 225
Chapter 10: Content Addressable Memory (CAM)......................................................................227
CAM Allocation................................................................................................................................................................ 227
Test CAM Usage............................................................................................................................................................. 229
View CAM-ACL Settings...............................................................................................................................................229
View CAM Usage............................................................................................................................................................ 230
CAM Optimization........................................................................................................................................................... 231
Troubleshoot CAM Profiling..........................................................................................................................................231
QoS CAM Region Limitation....................................................................................................................................231
Syslog Error When the Table is Full......................................................................................................................232
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................232
Syslog Warning for Discrepancies Between Configured Extended Prefixes.............................................. 232
Unified Forwarding Table (UFT) Modes....................................................................................................................232
Configuring UFT Modes.......................................................................................................................................... 232
Chapter 11: Control Plane Policing (CoPP)................................................................................ 234
Configure Control Plane Policing................................................................................................................................ 235
Configuring CoPP for Protocols............................................................................................................................236
Configuring CoPP for CPU Queues...................................................................................................................... 237
Contents
7
Protocol to CPU Queue Mapping..........................................................................................................................238
Configuring Protocol to CPU Queue Mapping...................................................................................................239
Displaying CoPP Configuration .............................................................................................................................240
Chapter 12: Data Center Bridging (DCB)....................................................................................242
Ethernet Enhancements in Data Center Bridging...................................................................................................242
Priority-Based Flow Control................................................................................................................................... 243
Enhanced Transmission Selection.........................................................................................................................244
Data Center Bridging Exchange Protocol (DCBx)............................................................................................245
Data Center Bridging in a Traffic Flow................................................................................................................ 246
Buffer Organization.................................................................................................................................................. 246
Enabling Data Center Bridging.....................................................................................................................................249
DCB Maps and its Attributes................................................................................................................................. 249
Data Center Bridging: Default Configuration...........................................................................................................250
Configuring Priority-Based Flow Control.................................................................................................................. 250
Configuring Lossless Queues.................................................................................................................................. 251
Configuring PFC in a DCB Map................................................................................................................................... 252
Applying a DCB Map on a Port....................................................................................................................................253
Configuring PFC without a DCB Map........................................................................................................................254
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 256
Shared headroom for lossless or PFC packets........................................................................................................257
Configuring Shared Head Room Buffer...............................................................................................................258
Viewing Shared Head Room Usage...................................................................................................................... 258
Monitoring Buffer Statistics for Tracking Purposes.........................................................................................259
Behavior of Tagged Packets........................................................................................................................................259
Configuration Example for DSCP and PFC Priorities.............................................................................................259
SNMP Support for PFC and Buffer Statistics Tracking....................................................................................... 260
Performing PFC Using DSCP Bits Instead of 802.1p Bits..................................................................................... 261
PFC and ETS Configuration Examples.......................................................................................................................263
Using PFC to Manage Converged Ethernet Traffic...............................................................................................263
Operations on Untagged Packets...............................................................................................................................263
Generation of PFC for a Priority for Untagged Packets.......................................................................................264
Configure Enhanced Transmission Selection........................................................................................................... 264
Creating an ETS Priority Group............................................................................................................................. 264
ETS Operation with DCBx...................................................................................................................................... 265
Configuring ETS in a DCB Map............................................................................................................................. 265
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 266
Using ETS to Manage Converged Ethernet Traffic................................................................................................267
Applying DCB Policies in a Switch Stack...................................................................................................................267
Configure a DCBx Operation........................................................................................................................................267
DCBx Operation.........................................................................................................................................................268
DCBx Port Roles........................................................................................................................................................268
DCB Configuration Exchange................................................................................................................................ 269
Configuration Source Election............................................................................................................................... 269
Propagation of DCB Information........................................................................................................................... 270
Auto-Detection and Manual Configuration of the DCBx Version..................................................................270
DCBx Example............................................................................................................................................................270
DCBx Prerequisites and Restrictions.................................................................................................................... 271
Configuring DCBx.......................................................................................................................................................271
Verifying the DCB Configuration.................................................................................................................................275
8
Contents
QoS dot1p Traffic Classification and Queue Assignment......................................................................................282
Configuring the Dynamic Buffer Method..................................................................................................................282
Sample DCB Configuration...........................................................................................................................................283
Chapter 13: Dynamic Host Configuration Protocol (DHCP)........................................................ 286
DHCP Packet Format and Options.............................................................................................................................286
Assign an IP Address using DHCP.............................................................................................................................. 287
Implementation Information......................................................................................................................................... 288
Configure the System to be a DHCP Server........................................................................................................... 289
Configuring the Server for Automatic Address Allocation..............................................................................289
Specifying a Default Gateway................................................................................................................................290
Configure a Method of Hostname Resolution.................................................................................................... 291
Using DNS for Address Resolution........................................................................................................................291
Using NetBIOS WINS for Address Resolution.................................................................................................... 291
Creating Manual Binding Entries............................................................................................................................291
Debugging the DHCP Server................................................................................................................................. 292
Using DHCP Clear Commands...............................................................................................................................292
Configure the System to be a DHCP Client............................................................................................................. 292
Configuring the DHCP Client System.................................................................................................................. 292
DHCP Client on a Management Interface...........................................................................................................294
DHCP Client Operation with Other Features.....................................................................................................294
Configuring DHCP relay source interface.................................................................................................................295
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................295
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................295
Configure Secure DHCP............................................................................................................................................... 296
Option 82 (DHCPv4 relay options).......................................................................................................................297
DHCPv6 relay agent options.................................................................................................................................. 297
DHCP Snooping.........................................................................................................................................................298
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 302
Dynamic ARP Inspection......................................................................................................................................... 302
Configuring Dynamic ARP Inspection.................................................................................................................. 303
Source Address Validation............................................................................................................................................304
Enabling IP Source Address Validation................................................................................................................ 304
DHCP MAC Source Address Validation...............................................................................................................305
Enabling IP+MAC Source Address Validation.................................................................................................... 305
Viewing the Number of SAV Dropped Packets................................................................................................. 306
Clearing the Number of SAV Dropped Packets.................................................................................................306
Chapter 14: Equal Cost Multi-Path (ECMP)............................................................................... 307
ECMP for Flow-Based Affinity.................................................................................................................................... 307
Configuring the Hash Algorithm............................................................................................................................ 307
Enabling Deterministic ECMP Next Hop............................................................................................................. 307
Configuring the Hash Algorithm Seed................................................................................................................. 308
Link Bundle Monitoring..................................................................................................................................................308
Managing ECMP Group Paths...............................................................................................................................309
Creating an ECMP Group Bundle..........................................................................................................................309
Modifying the ECMP Group Threshold................................................................................................................309
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table...............................310
Support for ECMP in host table.............................................................................................................................310
Contents
9
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes .................................................................... 310
Chapter 15: FIP Snooping........................................................................................................... 311
Fibre Channel over Ethernet..........................................................................................................................................311
Ensure Robustness in a Converged Ethernet Network.......................................................................................... 311
FIP Snooping on Ethernet Bridges.............................................................................................................................. 312
Using FIP Snooping......................................................................................................................................................... 314
FIP Snooping Prerequisites......................................................................................................................................314
Important Points to Remember..............................................................................................................................314
Enabling the FCoE Transit Feature....................................................................................................................... 316
Enable FIP Snooping on VLANs..............................................................................................................................316
Configure the FC-MAP Value................................................................................................................................. 316
Configure a Port for a Bridge-to-Bridge Link..................................................................................................... 316
Configure a Port for a Bridge-to-FCF Link..........................................................................................................316
Impact on Other Software Features..................................................................................................................... 317
FIP Snooping Restrictions........................................................................................................................................317
Configuring FIP Snooping........................................................................................................................................ 317
Displaying FIP Snooping Information.......................................................................................................................... 318
FCoE Transit Configuration Example......................................................................................................................... 323
Chapter 16: Flex Hash and Optimized Boot-Up...........................................................................325
Flex Hash Capability Overview.................................................................................................................................... 325
Configuring the Flex Hash Mechanism......................................................................................................................325
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 326
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 326
Chapter 17: Force10 Resilient Ring Protocol (FRRP)..................................................................328
Protocol Overview.......................................................................................................................................................... 328
Ring Status................................................................................................................................................................. 329
Multiple FRRP Rings.................................................................................................................................................329
Important FRRP Points............................................................................................................................................330
Important FRRP Concepts...................................................................................................................................... 331
Implementing FRRP.........................................................................................................................................................331
FRRP Configuration........................................................................................................................................................332
Creating the FRRP Group....................................................................................................................................... 332
Configuring the Control VLAN...............................................................................................................................332
Configuring and Adding the Member VLANs..................................................................................................... 333
Setting the FRRP Timers........................................................................................................................................ 334
Clearing the FRRP Counters.................................................................................................................................. 334
Viewing the FRRP Configuration...........................................................................................................................334
Viewing the FRRP Information.............................................................................................................................. 335
Troubleshooting FRRP...................................................................................................................................................335
Sample Configuration and Topology.......................................................................................................................... 335
FRRP Support on VLT................................................................................................................................................... 336
Chapter 18: GARP VLAN Registration Protocol (GVRP)............................................................. 339
Configure GVRP..............................................................................................................................................................340
Enabling GVRP Globally.................................................................................................................................................340
Enabling GVRP on a Layer 2 Interface....................................................................................................................... 341
10
Contents
Configure GVRP Registration.......................................................................................................................................341
Configure a GARP Timer...............................................................................................................................................342
Chapter 19: Internet Group Management Protocol (IGMP)........................................................ 343
IGMP Protocol Overview.............................................................................................................................................. 343
IGMP Version 2..........................................................................................................................................................343
IGMP Version 3..........................................................................................................................................................345
Configure IGMP...............................................................................................................................................................347
Viewing IGMP Enabled Interfaces.............................................................................................................................. 348
Selecting an IGMP Version........................................................................................................................................... 348
Viewing IGMP Groups....................................................................................................................................................349
Adjusting Timers..............................................................................................................................................................349
Adjusting Query and Response Timers................................................................................................................ 349
Enabling IGMP Immediate-Leave................................................................................................................................350
IGMP Snooping............................................................................................................................................................... 350
Configuring IGMP Snooping...................................................................................................................................350
Removing a Group-Port Association.....................................................................................................................351
Disabling Multicast Flooding....................................................................................................................................351
Specifying a Port as Connected to a Multicast Router....................................................................................351
Configuring the Switch as Querier........................................................................................................................352
Fast Convergence after MSTP Topology Changes................................................................................................352
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................352
Designating a Multicast Router Interface................................................................................................................. 359
Chapter 20: Interfaces.............................................................................................................. 360
Interface Types................................................................................................................................................................ 361
View Basic Interface Information.................................................................................................................................361
Resetting an Interface to its Factory Default State...............................................................................................363
Enabling a Physical Interface....................................................................................................................................... 363
Physical Interfaces..........................................................................................................................................................364
Configuration Task List for Physical Interfaces.................................................................................................364
Overview of Layer Modes.......................................................................................................................................364
Configuring Layer 2 (Data Link) Mode................................................................................................................ 365
Configuring Layer 2 (Interface) Mode.................................................................................................................365
Configuring Layer 3 (Network) Mode..................................................................................................................365
Configuring Layer 3 (Interface) Mode.................................................................................................................366
Egress Interface Selection (EIS).................................................................................................................................366
Configuring EIS.......................................................................................................................................................... 367
Management Interfaces................................................................................................................................................ 367
Configuring Management Interfaces....................................................................................................................367
Configuring a Management Interface on an Ethernet Port............................................................................368
VLAN Interfaces..............................................................................................................................................................368
Loopback Interfaces.......................................................................................................................................................369
Null Interfaces..................................................................................................................................................................369
Configuring Port Delay...................................................................................................................................................370
Port Channel Interfaces................................................................................................................................................ 370
Port Channel Definition and Standards................................................................................................................370
Port Channel Benefits..............................................................................................................................................370
Port Channel Implementation.................................................................................................................................370
Contents
11
Interfaces in Port Channels..................................................................................................................................... 371
Configuration Tasks for Port Channel Interfaces.............................................................................................. 371
Creating a Port Channel...........................................................................................................................................371
Adding a Physical Interface to a Port Channel.................................................................................................. 372
Reassigning an Interface to a New Port Channel..............................................................................................373
Configuring the Minimum Oper Up Links in a Port Channel........................................................................... 374
Adding or Removing a Port Channel from a VLAN........................................................................................... 374
Assigning an IP Address to a Port Channel.........................................................................................................375
Deleting or Disabling a Port Channel.................................................................................................................... 375
Load Balancing Through Port Channels...............................................................................................................376
Load-Balancing Method...........................................................................................................................................376
Changing the Hash Algorithm................................................................................................................................ 376
Bulk Configuration...........................................................................................................................................................377
Interface Range......................................................................................................................................................... 377
Bulk Configuration Examples..................................................................................................................................378
Defining Interface Range Macros............................................................................................................................... 379
Define the Interface Range.................................................................................................................................... 380
Choosing an Interface-Range Macro................................................................................................................... 380
Monitoring and Maintaining Interfaces......................................................................................................................380
Maintenance Using TDR...........................................................................................................................................381
Non Dell-Qualified Transceivers...................................................................................................................................381
Splitting 100G Ports....................................................................................................................................................... 382
Link Dampening............................................................................................................................................................... 383
Enabling Link Dampening........................................................................................................................................ 386
Link Bundle Monitoring.................................................................................................................................................. 387
Using Ethernet Pause Frames for Flow Control......................................................................................................387
Enabling Pause Frames............................................................................................................................................388
Configure the MTU Size on an Interface.................................................................................................................. 388
Configuring wavelength for 10–Gigabit SFP+ optics.............................................................................................389
Port-Pipes.........................................................................................................................................................................390
CR4 Auto-Negotiation................................................................................................................................................... 390
Setting the Speed of Ethernet Interfaces................................................................................................................ 390
Speed Setting on 25G Interfaces................................................................................................................................ 391
Configuring 10G speed on 25G ports.........................................................................................................................392
FEC Configuration.......................................................................................................................................................... 393
View Advanced Interface Information....................................................................................................................... 395
Configuring the Interface Sampling Size.............................................................................................................396
Configuring the Traffic Sampling Size Globally....................................................................................................... 397
Dynamic Counters...........................................................................................................................................................398
Clearing Interface Counters................................................................................................................................... 398
Enhanced Validation of Interface Ranges.................................................................................................................399
Compressing Configuration Files................................................................................................................................ 399
OUI on 25G and 50G Interfaces.................................................................................................................................. 401
Configuring OUI on 25G and 50G Interfaces......................................................................................................401
Chapter 21: IPv4 Routing...........................................................................................................403
IP Addresses.....................................................................................................................................................................404
Configuration Tasks for IP Addresses........................................................................................................................404
Assigning IP Addresses to an Interface.....................................................................................................................404
Configuring Static Routes............................................................................................................................................ 405
12
Contents
Adding description for IPv4 and IPv6 static routes..........................................................................................406
Configure Static Routes for the Management Interface...................................................................................... 407
Using the Configured Source IP Address in ICMP Messages.............................................................................. 407
Configuring the Duration to Establish a TCP Connection.....................................................................................407
Enabling Directed Broadcast........................................................................................................................................408
Resolution of Host Names............................................................................................................................................ 408
Enabling Dynamic Resolution of Host Names.......................................................................................................... 408
Specifying the Local System Domain and a List of Domains............................................................................... 409
Configuring DNS with Traceroute.............................................................................................................................. 409
ARP..................................................................................................................................................................................... 410
Configuration Tasks for ARP........................................................................................................................................ 410
Configuring Static ARP Entries....................................................................................................................................410
Enabling Proxy ARP......................................................................................................................................................... 411
Clearing ARP Cache.........................................................................................................................................................411
ARP Learning via Gratuitous ARP................................................................................................................................ 411
Enabling ARP Learning via Gratuitous ARP...............................................................................................................412
ARP Learning via ARP Request....................................................................................................................................412
Configuring ARP Retries................................................................................................................................................ 413
ICMP................................................................................................................................................................................... 413
Configuration Tasks for ICMP...................................................................................................................................... 413
Enabling ICMP Unreachable Messages...................................................................................................................... 413
ICMP Redirects................................................................................................................................................................ 414
UDP Helper........................................................................................................................................................................415
Enabling UDP Helper.......................................................................................................................................................415
Configuring a Broadcast Address................................................................................................................................ 415
Configurations Using UDP Helper............................................................................................................................... 416
UDP Helper with Broadcast-All Addresses................................................................................................................416
UDP Helper with Subnet Broadcast Addresses........................................................................................................417
UDP Helper with Configured Broadcast Addresses................................................................................................ 417
UDP Helper with No Configured Broadcast Addresses......................................................................................... 418
Troubleshooting UDP Helper........................................................................................................................................ 418
Chapter 22: IPv6 Routing...........................................................................................................419
Protocol Overview...........................................................................................................................................................419
Extended Address Space......................................................................................................................................... 419
Path MTU discovery................................................................................................................................................. 419
Stateless Autoconfiguration................................................................................................................................... 420
IPv6 Headers...............................................................................................................................................................421
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support............................................................... 421
IPv6 Header Fields.....................................................................................................................................................421
Extension Header Fields.......................................................................................................................................... 423
Addressing.................................................................................................................................................................. 424
Implementing IPv6 with Dell EMC Networking OS.................................................................................................424
ICMPv6..............................................................................................................................................................................424
Path MTU discovery...................................................................................................................................................... 425
IPv6 Neighbor Discovery...............................................................................................................................................425
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 426
Configuring the IPv6 Recursive DNS Server......................................................................................................426
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 427
Displaying IPv6 RDNSS Information..................................................................................................................... 427
Contents
13
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................428
Configuration Tasks for IPv6....................................................................................................................................... 428
Adjusting Your CAM-Profile....................................................................................................................................428
Assigning an IPv6 Address to an Interface......................................................................................................... 429
Assigning a Static IPv6 Route................................................................................................................................429
Configuring Telnet with IPv6................................................................................................................................. 430
SNMP over IPv6........................................................................................................................................................430
Displaying IPv6 Information.................................................................................................................................... 430
Displaying an IPv6 Interface Information............................................................................................................. 431
Showing IPv6 Routes............................................................................................................................................... 432
Showing the Running-Configuration for an Interface...................................................................................... 433
Clearing IPv6 Routes................................................................................................................................................433
Configuring IPv6 RA Guard.......................................................................................................................................... 433
Chapter 23: iSCSI Optimization.................................................................................................436
iSCSI Optimization Overview....................................................................................................................................... 436
Monitoring iSCSI Traffic Flows.............................................................................................................................. 437
Application of Quality of Service to iSCSI Traffic Flows................................................................................. 438
Information Monitored in iSCSI Traffic Flows....................................................................................................438
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................439
Configuring Detection and Ports for Dell Compellent Arrays.........................................................................439
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 439
Enable and Disable iSCSI Optimization................................................................................................................ 440
Default iSCSI Optimization Values..............................................................................................................................440
iSCSI Optimization Prerequisites................................................................................................................................. 441
Configuring iSCSI Optimization....................................................................................................................................441
Displaying iSCSI Optimization Information................................................................................................................443
Chapter 24: Intermediate System to Intermediate System.........................................................445
IS-IS Protocol Overview................................................................................................................................................445
IS-IS Addressing..............................................................................................................................................................445
Multi-Topology IS-IS...................................................................................................................................................... 446
Transition Mode.........................................................................................................................................................446
Interface Support......................................................................................................................................................446
Adjacencies.................................................................................................................................................................446
Graceful Restart.............................................................................................................................................................. 447
Timers...........................................................................................................................................................................447
Implementation Information..........................................................................................................................................447
Configuration Information.............................................................................................................................................448
Configuration Tasks for IS-IS................................................................................................................................. 448
Configuring the Distance of a Route....................................................................................................................455
Changing the IS-Type.............................................................................................................................................. 455
Redistributing IPv4 Routes..................................................................................................................................... 458
Redistributing IPv6 Routes.....................................................................................................................................458
Configuring Authentication Passwords............................................................................................................... 459
Setting the Overload Bit......................................................................................................................................... 459
Debugging IS-IS.........................................................................................................................................................460
IS-IS Metric Styles.......................................................................................................................................................... 461
Configure Metric Values................................................................................................................................................ 461
14
Contents
Maximum Values in the Routing Table..................................................................................................................461
Change the IS-IS Metric Style in One Level Only..............................................................................................461
Leaks from One Level to Another.........................................................................................................................463
Sample Configurations...................................................................................................................................................463
Chapter 25: Link Aggregation Control Protocol (LACP).............................................................466
Introduction to Dynamic LAGs and LACP.................................................................................................................466
Important Points to Remember............................................................................................................................. 466
LACP Modes...............................................................................................................................................................467
Configuring LACP Commands................................................................................................................................467
LACP Configuration Tasks............................................................................................................................................467
Creating a LAG.......................................................................................................................................................... 468
Configuring the LAG Interfaces as Dynamic...................................................................................................... 468
Setting the LACP Long Timeout........................................................................................................................... 468
Monitoring and Debugging LACP..........................................................................................................................469
Shared LAG State Tracking..........................................................................................................................................469
Configuring Shared LAG State Tracking............................................................................................................. 470
Important Points about Shared LAG State Tracking.........................................................................................471
LACP Basic Configuration Example............................................................................................................................472
Configure a LAG on ALPHA....................................................................................................................................472
Chapter 26: Layer 2................................................................................................................... 480
Manage the MAC Address Table................................................................................................................................ 480
Clearing the MAC Address Table.......................................................................................................................... 480
Setting the Aging Time for Dynamic Entries...................................................................................................... 480
Configuring a Static MAC Address........................................................................................................................481
Displaying the MAC Address Table........................................................................................................................481
MAC Learning Limit.........................................................................................................................................................481
Setting the MAC Learning Limit............................................................................................................................ 482
mac learning-limit Dynamic.....................................................................................................................................482
mac learning-limit mac-address-sticky................................................................................................................ 482
mac learning-limit station-move............................................................................................................................ 482
mac learning-limit no-station-move......................................................................................................................483
Learning Limit Violation Actions............................................................................................................................ 483
Setting Station Move Violation Actions...............................................................................................................483
Recovering from Learning Limit and Station Move Violations.......................................................................484
Disabling MAC Address Learning on the System.................................................................................................... 484
Enabling port security.................................................................................................................................................... 484
NIC Teaming.....................................................................................................................................................................485
Configure Redundant Pairs.......................................................................................................................................... 486
Far-End Failure Detection.............................................................................................................................................489
FEFD State Changes................................................................................................................................................489
Configuring FEFD......................................................................................................................................................490
Enabling FEFD on an Interface............................................................................................................................... 491
Debugging FEFD........................................................................................................................................................492
Chapter 27: Link Layer Discovery Protocol (LLDP).................................................................... 493
802.1AB (LLDP) Overview............................................................................................................................................493
Protocol Data Units.................................................................................................................................................. 493
Contents
15
Optional TLVs.................................................................................................................................................................. 494
Management TLVs....................................................................................................................................................494
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 496
TIA Organizationally Specific TLVs.......................................................................................................................496
Configure LLDP............................................................................................................................................................... 499
CONFIGURATION versus INTERFACE Configurations......................................................................................... 500
Enabling LLDP................................................................................................................................................................. 500
Disabling and Undoing LLDP................................................................................................................................... 501
Enabling LLDP on Management Ports........................................................................................................................501
Disabling and Undoing LLDP on Management Ports........................................................................................ 501
Advertising TLVs..............................................................................................................................................................501
Viewing the LLDP Configuration.................................................................................................................................502
Viewing Information Advertised by Adjacent LLDP Neighbors........................................................................... 503
Examples of Viewing Information Advertised by Neighbors...........................................................................503
Configuring LLDPDU Intervals.....................................................................................................................................505
Configuring Transmit and Receive Mode..................................................................................................................505
Configuring the Time to Live Value............................................................................................................................506
Debugging LLDP..............................................................................................................................................................507
Relevant Management Objects................................................................................................................................... 508
Chapter 28: Microsoft Network Load Balancing......................................................................... 512
Configuring a Switch for NLB ..................................................................................................................................... 513
Enabling a Switch for Multicast NLB.................................................................................................................... 514
Chapter 29: Multicast Source Discovery Protocol (MSDP).........................................................515
Anycast RP........................................................................................................................................................................516
Implementation Information.......................................................................................................................................... 517
Configure Multicast Source Discovery Protocol......................................................................................................517
Related Configuration Tasks................................................................................................................................... 517
Enable MSDP....................................................................................................................................................................521
Manage the Source-Active Cache..............................................................................................................................522
Viewing the Source-Active Cache........................................................................................................................ 522
Limiting the Source-Active Cache........................................................................................................................522
Clearing the Source-Active Cache....................................................................................................................... 522
Enabling the Rejected Source-Active Cache..................................................................................................... 523
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 523
Specifying Source-Active Messages..........................................................................................................................526
Limiting the Source-Active Messages from a Peer................................................................................................ 527
Preventing MSDP from Caching a Local Source.................................................................................................... 527
Preventing MSDP from Caching a Remote Source............................................................................................... 528
Preventing MSDP from Advertising a Local Source.............................................................................................. 528
Logging Changes in Peership States......................................................................................................................... 529
Terminating a Peership..................................................................................................................................................529
Clearing Peer Statistics.................................................................................................................................................529
Debugging MSDP............................................................................................................................................................530
MSDP with Anycast RP................................................................................................................................................ 530
Configuring Anycast RP.................................................................................................................................................531
Reducing Source-Active Message Flooding....................................................................................................... 532
Specifying the RP Address Used in SA Messages............................................................................................ 532
16
Contents
MSDP Sample Configurations......................................................................................................................................534
Chapter 30: Multicast Listener Discovery Protocol.................................................................... 537
MLD timers.......................................................................................................................................................................540
Reducing Host Response Burstiness................................................................................................................... 540
Configuring MLD Version...............................................................................................................................................541
Clearing MLD groups...................................................................................................................................................... 541
Debugging MLD................................................................................................................................................................541
Explicit Tracking...............................................................................................................................................................541
Reducing Leave Latency................................................................................................................................................541
Displaying MLD groups table........................................................................................................................................542
Displaying MLD Interfaces............................................................................................................................................ 542
MLD Snooping................................................................................................................................................................. 542
Enable MLD Snooping..............................................................................................................................................543
Disable MLD Snooping............................................................................................................................................. 543
Configure the switch as a querier.........................................................................................................................543
Specify port as connected to multicast router..................................................................................................543
Enable Snooping Explicit Tracking........................................................................................................................ 543
Display the MLD Snooping Table.......................................................................................................................... 544
Chapter 31: Multiple Spanning Tree Protocol (MSTP)............................................................... 545
Spanning Tree Variations.............................................................................................................................................. 546
Implementation Information....................................................................................................................................546
Configure Multiple Spanning Tree Protocol............................................................................................................. 546
Related Configuration Tasks.................................................................................................................................. 546
Enable Multiple Spanning Tree Globally.....................................................................................................................547
Adding and Removing Interfaces................................................................................................................................ 547
Creating Multiple Spanning Tree Instances..............................................................................................................547
Influencing MSTP Root Selection............................................................................................................................... 549
Interoperate with Non-Dell Bridges............................................................................................................................549
Changing the Region Name or Revision....................................................................................................................549
Modifying Global Parameters.......................................................................................................................................550
Modifying the Interface Parameters...........................................................................................................................551
Setting STP path cost as constant............................................................................................................................ 552
Configuring an EdgePort...............................................................................................................................................552
Flush MAC Addresses after a Topology Change.................................................................................................... 553
MSTP Sample Configurations......................................................................................................................................553
Debugging and Verifying MSTP Configurations...................................................................................................... 557
Chapter 32: Multicast Features................................................................................................. 559
Enabling IP Multicast..................................................................................................................................................... 559
Implementation Information......................................................................................................................................... 559
Multicast Policies............................................................................................................................................................560
IPv4 Multicast Policies.............................................................................................................................................560
Understanding Multicast Traceroute (mtrace)....................................................................................................... 567
Printing Multicast Traceroute (mtrace) Paths........................................................................................................ 567
Supported Error Codes................................................................................................................................................. 569
mtrace Scenarios............................................................................................................................................................ 570
Contents
17
Chapter 33: Object Tracking......................................................................................................576
Object Tracking Overview............................................................................................................................................ 576
Track Layer 2 Interfaces..........................................................................................................................................577
Track Layer 3 Interfaces..........................................................................................................................................577
Track IPv4 and IPv6 Routes................................................................................................................................... 577
Set Tracking Delays.................................................................................................................................................. 578
VRRP Object Tracking............................................................................................................................................. 579
Object Tracking Configuration.....................................................................................................................................579
Tracking a Layer 2 Interface...................................................................................................................................579
Tracking a Layer 3 Interface.................................................................................................................................. 580
Track an IPv4/IPv6 Route.......................................................................................................................................581
Displaying Tracked Objects.......................................................................................................................................... 584
Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 587
Protocol Overview.......................................................................................................................................................... 587
Autonomous System (AS) Areas...........................................................................................................................587
Area Types..................................................................................................................................................................588
Networks and Neighbors.........................................................................................................................................589
Router Types..............................................................................................................................................................589
Designated and Backup Designated Routers..................................................................................................... 590
Link-State Advertisements (LSAs).......................................................................................................................590
Router Priority and Cost.......................................................................................................................................... 591
OSPF with Dell EMC Networking OS........................................................................................................................ 592
Graceful Restart........................................................................................................................................................592
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 593
Multi-Process OSPFv2 with VRF..........................................................................................................................594
OSPF ACK Packing...................................................................................................................................................594
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 594
Configuration Information.............................................................................................................................................595
Configuration Task List for OSPFv2 (OSPF for IPv4).................................................................................... 595
Configuration Task List for OSPFv3 (OSPF for IPv6)...........................................................................................607
Enabling IPv6 Unicast Routing.............................................................................................................................. 608
Assigning IPv6 Addresses on an Interface..........................................................................................................608
Assigning Area ID on an Interface.........................................................................................................................608
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................608
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................609
Configuring Stub Areas........................................................................................................................................... 609
Configuring Passive-Interface................................................................................................................................ 610
Redistributing Routes............................................................................................................................................... 610
Configuring a Default Route................................................................................................................................... 610
Applying cost for OSPFv3........................................................................................................................................ 611
Enabling OSPFv3 Graceful Restart........................................................................................................................611
OSPFv3 Authentication Using IPsec.....................................................................................................................613
Troubleshooting OSPFv3.........................................................................................................................................619
MIB Support for OSPFv3..............................................................................................................................................620
Viewing the OSPFv3 MIB....................................................................................................................................... 620
Chapter 35: Policy-based Routing (PBR)................................................................................... 621
18
Contents
Overview............................................................................................................................................................................621
Implementing PBR.......................................................................................................................................................... 622
Configuration Task List for Policy-based Routing.................................................................................................. 622
Create a Redirect List.............................................................................................................................................. 623
Create a Rule for a Redirect-list............................................................................................................................623
Apply a Redirect-list to an Interface using a Redirect-group........................................................................ 625
Sample Configuration.....................................................................................................................................................627
Chapter 36: PIM Sparse-Mode (PIM-SM).................................................................................. 631
Implementation Information.......................................................................................................................................... 631
Protocol Overview...........................................................................................................................................................631
Requesting Multicast Traffic...................................................................................................................................631
Refuse Multicast Traffic..........................................................................................................................................632
Send Multicast Traffic............................................................................................................................................. 632
Configuring PIM-SM...................................................................................................................................................... 632
Related Configuration Tasks.................................................................................................................................. 633
Enable PIM-SM................................................................................................................................................................633
Configuring S,G Expiry Timers.....................................................................................................................................634
Configuring a Static Rendezvous Point.....................................................................................................................634
Overriding Bootstrap Router Updates................................................................................................................. 634
Configuring a Designated Router................................................................................................................................635
Creating Multicast Boundaries and Domains........................................................................................................... 636
Electing an RP using the BSR Mechanism............................................................................................................... 636
Chapter 37: PIM Source-Specific Mode (PIM-SSM).................................................................. 638
Implementation Information......................................................................................................................................... 638
Configure PIM-SSM....................................................................................................................................................... 638
Enabling PIM-SSM..........................................................................................................................................................639
Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 639
Electing an RP using the BSR Mechanism............................................................................................................... 640
Enabling RP to Server Specific Multicast Groups.............................................................................................642
Chapter 38: Port Monitoring......................................................................................................643
Important Points to Remember...................................................................................................................................643
Port Monitoring............................................................................................................................................................... 644
Configuring Port Monitoring........................................................................................................................................ 645
Configuring Monitor Multicast Queue........................................................................................................................647
Flow-Based Monitoring..................................................................................................................................................647
Enabling Flow-Based Monitoring...........................................................................................................................648
Remote Port Mirroring.................................................................................................................................................. 650
Remote Port Mirroring Example............................................................................................................................650
Configuring Remote Port Mirroring.......................................................................................................................651
Displaying Remote-Port Mirroring Configurations............................................................................................652
Configuration procedure for Remote Port Mirroring....................................................................................... 653
Encapsulated Remote Port Monitoring..................................................................................................................... 657
ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 659
Port Monitoring on VLT................................................................................................................................................ 660
Chapter 39: Private VLANs (PVLAN)......................................................................................... 663
Contents
19
Private VLAN Concepts................................................................................................................................................ 663
Using the Private VLAN Commands.......................................................................................................................... 664
Configuration Task List................................................................................................................................................. 665
Creating PVLAN ports............................................................................................................................................. 665
Creating a Primary VLAN........................................................................................................................................665
Creating a Community VLAN................................................................................................................................. 666
Creating an Isolated VLAN......................................................................................................................................667
Private VLAN Configuration Example........................................................................................................................668
Inspecting the Private VLAN Configuration.............................................................................................................669
Chapter 40: Per-VLAN Spanning Tree Plus (PVST+).................................................................. 671
Protocol Overview...........................................................................................................................................................671
Implementation Information..........................................................................................................................................672
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 673
Enabling PVST+...............................................................................................................................................................673
Disabling PVST+.............................................................................................................................................................. 673
Influencing PVST+ Root Selection..............................................................................................................................674
Modifying Global PVST+ Parameters.........................................................................................................................675
Modifying Interface PVST+ Parameters................................................................................................................... 675
Configuring an EdgePort...............................................................................................................................................676
PVST+ in Multi-Vendor Networks.............................................................................................................................. 677
Enabling PVST+ Extend System ID.............................................................................................................................677
PVST+ Sample Configurations.................................................................................................................................... 678
Chapter 41: Quality of Service (QoS).........................................................................................680
Implementation Information......................................................................................................................................... 682
Port-Based QoS Configurations..................................................................................................................................682
Setting dot1p Priorities for Incoming Traffic......................................................................................................682
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................683
Configuring Port-Based Rate Policing................................................................................................................. 683
Configuring Port-Based Rate Shaping.................................................................................................................683
Policy-Based QoS Configurations...............................................................................................................................684
Classify Traffic...........................................................................................................................................................685
Dot1p to Queue Mapping Requirement................................................................................................................687
Create a QoS Policy................................................................................................................................................. 688
DSCP Color Maps..................................................................................................................................................... 690
Create Policy Maps...................................................................................................................................................692
Enabling QoS Rate Adjustment................................................................................................................................... 695
Enabling Strict-Priority Queueing............................................................................................................................... 695
Queue Classification Requirements for PFC Functionality...................................................................................696
Support for marking dot1p value in L3 Input Qos Policy.......................................................................................696
Weighted Random Early Detection.............................................................................................................................697
Enabling and Disabling WRED Globally.................................................................................................................697
Creating WRED Profiles.......................................................................................................................................... 698
Applying a WRED Profile to Traffic...................................................................................................................... 698
Displaying Default and Configured WRED Profiles........................................................................................... 698
Displaying WRED Drop Statistics..........................................................................................................................698
Displaying egress–queue Statistics...................................................................................................................... 699
Pre-Calculating Available QoS CAM Space..............................................................................................................699
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Dell OS9 Owner's manual

OS9
Dell
Brand
Dell
Model
OS9
Category
Software
Type
Owner's manual
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