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Dell OS9 Owner's manual

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Dell Configuration Guide for the S6010–ON
System
9.14.2.0
April 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.
© 2018 - 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide.........................................................................................................32
Audience.............................................................................................................................................................................. 32
Conventions........................................................................................................................................................................32
Related Documents...........................................................................................................................................................32
Chapter 2: Configuration Fundamentals...................................................................................... 33
Accessing the Command Line........................................................................................................................................ 33
CLI Modes........................................................................................................................................................................... 33
Navigating CLI Modes................................................................................................................................................ 35
The do Command.............................................................................................................................................................. 37
Undoing Commands..........................................................................................................................................................38
Obtaining Help....................................................................................................................................................................38
Entering and Editing Commands................................................................................................................................... 39
Command History..............................................................................................................................................................40
Filtering show Command Outputs.................................................................................................................................40
Multiple Users in Configuration Mode...........................................................................................................................41
Chapter 3: Getting Started..........................................................................................................42
Console Access..................................................................................................................................................................43
Serial Console............................................................................................................................................................... 43
Default Configuration....................................................................................................................................................... 44
Configuring a Host Name................................................................................................................................................ 44
Accessing the System Remotely................................................................................................................................... 44
Configure the Management Port IP Address....................................................................................................... 44
Configure a Management Route..............................................................................................................................45
Configuring a Username and Password................................................................................................................. 45
Configuring the Enable Password................................................................................................................................. 46
Configuration File Management.....................................................................................................................................46
Copy Files to and from the System........................................................................................................................ 46
Mounting an NFS File System.................................................................................................................................. 47
Save the Running-Configuration............................................................................................................................. 49
Configure the Overload Bit for a Startup Scenario.............................................................................................49
Viewing Files................................................................................................................................................................. 49
Managing the File System...............................................................................................................................................50
View Command History.................................................................................................................................................... 51
Upgrading Dell EMC Networking OS............................................................................................................................ 51
Using HTTP for File Transfers........................................................................................................................................ 51
Verify Software Images Before Installation................................................................................................................ 52
Chapter 4: Management.............................................................................................................. 53
Configuring Privilege Levels........................................................................................................................................... 53
Removing a Command from EXEC Mode..............................................................................................................54
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 54
Allowing Access to CONFIGURATION Mode Commands................................................................................. 54
Contents
Contents 3
Allowing Access to Different Modes...................................................................................................................... 54
Applying a Privilege Level to a Username............................................................................................................. 55
Applying a Privilege Level to a Terminal Line....................................................................................................... 55
Configuring Logging......................................................................................................................................................... 56
Audit and Security Logs.............................................................................................................................................56
Configuring Logging Format .............................................................................................................................58
Setting Up a Secure Connection to a Syslog Server................................................................................ 58
Log Messages in the Internal Buffer............................................................................................................................ 59
Disabling System Logging............................................................................................................................................... 59
Sending System Messages to a Syslog Server..........................................................................................................60
Configuring a UNIX System as a Syslog Server...................................................................................................60
Track Login Activity..........................................................................................................................................................60
Restrictions for Tracking Login Activity................................................................................................................ 60
Configuring Login Activity Tracking........................................................................................................................60
Display Login Statistics...............................................................................................................................................61
Limit Concurrent Login Sessions...................................................................................................................................62
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 62
Configuring Concurrent Session Limit....................................................................................................................63
Enabling the System to Clear Existing Sessions.................................................................................................. 63
Enabling Secured CLI Mode............................................................................................................................................63
Changing System Logging Settings..............................................................................................................................64
Display the Logging Buffer and the Logging Configuration....................................................................................65
Configuring a UNIX Logging Facility Level..................................................................................................................65
Synchronizing Log Messages......................................................................................................................................... 66
Enabling Timestamp on Syslog Messages................................................................................................................... 67
File Transfer Services.......................................................................................................................................................67
Enabling the FTP Server............................................................................................................................................67
Configuring FTP Server Parameters...................................................................................................................... 68
Configuring FTP Client Parameters........................................................................................................................ 68
Terminal Lines.................................................................................................................................................................... 68
Denying and Permitting Access to a Terminal Line.............................................................................................69
Configuring Login Authentication for Terminal Lines......................................................................................... 70
Setting Timeout for EXEC Privilege Mode..................................................................................................................70
Using Telnet to get to Another Network Device........................................................................................................71
Lock CONFIGURATION Mode........................................................................................................................................ 71
Restoring the Factory Default Settings....................................................................................................................... 72
Restoring Factory Default Environment Variables.............................................................................................. 73
Viewing the Reason for Last System Reboot.............................................................................................................74
Disabling Syslog Messages for SNMP Authentication Failure Events..................................................................74
Chapter 5: 802.1X........................................................................................................................75
Port-Authentication Process.......................................................................................................................................... 76
EAP over RADIUS........................................................................................................................................................ 77
Configuring 802.1X............................................................................................................................................................78
Important Points to Remember......................................................................................................................................78
Enabling 802.1X..................................................................................................................................................................79
Configuring Request Identity Re-Transmissions....................................................................................................... 80
Configuring a Quiet Period after a Failed Authentication.................................................................................. 81
Forcibly Authorizing or Unauthorizing a Port..............................................................................................................81
Re-Authenticating a Port................................................................................................................................................ 82
4
Contents
Configuring Timeouts....................................................................................................................................................... 83
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 84
Guest and Authentication-Fail VLANs......................................................................................................................... 85
Configuring a Guest VLAN........................................................................................................................................85
Configuring an Authentication-Fail VLAN............................................................................................................. 85
Chapter 6: Access Control Lists (ACLs).......................................................................................87
IP Access Control Lists (ACLs)..................................................................................................................................... 88
CAM Usage................................................................................................................................................................... 88
Implementing ACLs on Dell EMC Networking OS............................................................................................... 89
Important Points to Remember..................................................................................................................................... 90
Configuration Task List for Route Maps................................................................................................................ 91
Configuring Match Routes........................................................................................................................................ 93
Configuring Set Conditions....................................................................................................................................... 94
Configure a Route Map for Route Redistribution................................................................................................94
Configure a Route Map for Route Tagging...........................................................................................................95
Continue Clause...........................................................................................................................................................95
IP Fragment Handling.......................................................................................................................................................96
IP Fragments ACL Examples.................................................................................................................................... 96
Layer 4 ACL Rules Examples.................................................................................................................................... 96
Configure a Standard IP ACL......................................................................................................................................... 97
Configuring a Standard IP ACL Filter..................................................................................................................... 98
Configure an Extended IP ACL...................................................................................................................................... 99
Configuring Filters with a Sequence Number.......................................................................................................99
Configuring Filters Without a Sequence Number.............................................................................................. 100
Configure Layer 2 and Layer 3 ACLs...........................................................................................................................101
Assign an IP ACL to an Interface..................................................................................................................................101
Applying an IP ACL...........................................................................................................................................................101
Counting ACL Hits.....................................................................................................................................................102
Configure Ingress ACLs..................................................................................................................................................102
Configure Egress ACLs.................................................................................................................................................. 103
Applying Egress Layer 3 ACLs (Control-Plane)................................................................................................. 104
IP Prefix Lists....................................................................................................................................................................104
Configuration Task List for Prefix Lists................................................................................................................105
ACL Remarks.................................................................................................................................................................... 108
Configuring a Remark............................................................................................................................................... 108
Deleting a Remark......................................................................................................................................................108
ACL Resequencing.......................................................................................................................................................... 109
Resequencing an ACL or Prefix List......................................................................................................................109
Route Maps........................................................................................................................................................................110
Flow-Based Monitoring....................................................................................................................................................111
Enabling Flow-Based Monitoring............................................................................................................................ 112
Configuring IP Mirror Access Group............................................................................................................................113
Sample Configuration................................................................................................................................................ 114
Example of viewing IP mirror–access–group applied to an Interface........................................................... 114
Chapter 7: Bidirectional Forwarding Detection (BFD)................................................................. 115
How BFD Works............................................................................................................................................................... 115
BFD Packet Format....................................................................................................................................................116
Contents
5
BFD Sessions............................................................................................................................................................... 117
BFD Three-Way Handshake.....................................................................................................................................118
Session State Changes............................................................................................................................................. 119
Important Points to Remember.................................................................................................................................... 119
Configure BFD...................................................................................................................................................................119
Configure BFD for Physical Ports..........................................................................................................................120
Configure BFD for Static Routes............................................................................................................................121
Configure BFD for IPv6 Static Routes................................................................................................................. 125
Configure BFD for OSPF..........................................................................................................................................127
Configure BFD for OSPFv3..................................................................................................................................... 133
Configure BFD for IS-IS........................................................................................................................................... 135
Configure BFD for BGP............................................................................................................................................ 137
Configure BFD for VRRP......................................................................................................................................... 144
Configuring Protocol Liveness................................................................................................................................146
Chapter 8: Border Gateway Protocol (BGP)............................................................................... 147
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 147
BGP Autonomous Systems......................................................................................................................................147
AS4 Number Representation.................................................................................................................................. 149
Four-Byte AS Numbers............................................................................................................................................. 151
BGP router ID.............................................................................................................................................................. 151
Sessions and Peers.................................................................................................................................................... 151
Establish a Session..................................................................................................................................................... 151
BGP Attributes for selecting Best Path............................................................................................................... 152
Multiprotocol BGP..................................................................................................................................................... 157
BGP global and address family configuration..................................................................................................... 158
Implement BGP with Dell EMC Networking OS................................................................................................. 159
Configuration Information........................................................................................................................................162
Basic BGP configuration tasks..................................................................................................................................... 163
Prerequisite for configuring a BGP network....................................................................................................... 163
Restrictions................................................................................................................................................................. 163
Enabling BGP.............................................................................................................................................................. 163
Enabling four-byte autonomous system numbers............................................................................................. 165
Changing a BGP router ID....................................................................................................................................... 166
Configuring AS4 Number Representations..........................................................................................................166
Configuring a BGP peer............................................................................................................................................167
Example-Configuring BGP routing between peers............................................................................................168
BGP peer group..........................................................................................................................................................169
Advanced BGP configuration tasks.............................................................................................................................176
Route-refresh and Soft-reconfiguration.............................................................................................................. 176
Aggregating Routes...................................................................................................................................................178
Filtering BGP...............................................................................................................................................................180
Configuring BGP Fast Fall-Over.............................................................................................................................185
Configuring Passive Peering....................................................................................................................................187
Enabling Graceful Restart........................................................................................................................................ 187
Redistributing Routes............................................................................................................................................... 188
Enabling Additional Paths........................................................................................................................................ 189
Configuring IP Community Lists.............................................................................................................................190
Configuring an IP Extended Community List....................................................................................................... 191
Configure BGP attributes........................................................................................................................................ 192
6
Contents
Enabling Multipath.....................................................................................................................................................195
Route Reflectors........................................................................................................................................................196
Enabling Route Flap Dampening.............................................................................................................................197
Changing BGP keepalive and hold timers............................................................................................................ 199
Setting the extended timer.................................................................................................................................... 200
Enabling or disabling BGP neighbors....................................................................................................................200
Route Map Continue................................................................................................................................................. 201
Configuring BGP Confederations..........................................................................................................................202
Configuring a BGP VRF address family............................................................................................................... 202
Maintaining Existing AS Numbers During an AS Migration.............................................................................204
Allowing an AS Number to Appear in its Own AS Path................................................................................... 204
Enabling MBGP Configurations............................................................................................................................. 205
MBGP support for IPv6...........................................................................................................................................206
Configuring IPv6 MBGP between peers............................................................................................................. 206
Example-Configuring IPv4 and IPv6 neighbors................................................................................................. 206
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor.................................. 208
BGP Regular Expression Optimization..................................................................................................................210
Debugging BGP.......................................................................................................................................................... 210
Chapter 9: Content Addressable Memory (CAM)........................................................................213
CAM Allocation.................................................................................................................................................................213
Test CAM Usage..............................................................................................................................................................215
View CAM Profiles...........................................................................................................................................................215
View CAM-ACL Settings............................................................................................................................................... 216
View CAM Usage............................................................................................................................................................. 217
Configuring CAM Threshold and Silence Period...................................................................................................... 218
CAM Optimization........................................................................................................................................................... 219
Troubleshoot CAM Profiling..........................................................................................................................................219
QoS CAM Region Limitation....................................................................................................................................219
Syslog Error When the Table is Full......................................................................................................................220
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................220
Syslog Warning for Discrepancies Between Configured Extended Prefixes..............................................220
Unified Forwarding Table (UFT) Modes....................................................................................................................220
Configuring UFT Modes.......................................................................................................................................... 220
Chapter 10: Control Plane Policing (CoPP)................................................................................ 222
Configure Control Plane Policing................................................................................................................................ 223
Configuring CoPP for Protocols............................................................................................................................224
Configuring CoPP for CPU Queues......................................................................................................................225
Displaying CoPP Configuration .............................................................................................................................226
Chapter 11: Data Center Bridging (DCB).................................................................................... 228
Ethernet Enhancements in Data Center Bridging...................................................................................................228
Priority-Based Flow Control................................................................................................................................... 229
Enhanced Transmission Selection.........................................................................................................................230
Data Center Bridging Exchange Protocol (DCBx).............................................................................................231
Data Center Bridging in a Traffic Flow................................................................................................................ 232
Enabling Data Center Bridging.....................................................................................................................................232
DCB Maps and its Attributes..................................................................................................................................233
Contents
7
Data Center Bridging: Default Configuration........................................................................................................... 233
Configuring Priority-Based Flow Control.................................................................................................................. 234
Configuring Lossless Queues................................................................................................................................. 234
Configuring PFC in a DCB Map................................................................................................................................... 236
Applying a DCB Map on a Port.................................................................................................................................... 237
Configuring PFC without a DCB Map........................................................................................................................ 238
Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 239
Behavior of Tagged Packets........................................................................................................................................ 240
Configuration Example for DSCP and PFC Priorities.............................................................................................240
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................ 241
Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................242
PFC and ETS Configuration Examples.......................................................................................................................243
Using PFC to Manage Converged Ethernet Traffic............................................................................................... 243
Operations on Untagged Packets............................................................................................................................... 243
Generation of PFC for a Priority for Untagged Packets....................................................................................... 244
Configure Enhanced Transmission Selection........................................................................................................... 244
ETS Prerequisites and Restrictions...................................................................................................................... 244
Creating an ETS Priority Group............................................................................................................................. 244
ETS Operation with DCBx...................................................................................................................................... 245
Configuring Bandwidth Allocation for DCBx CIN.............................................................................................. 245
Configuring ETS in a DCB Map..............................................................................................................................246
Hierarchical Scheduling in ETS Output Policies.......................................................................................................247
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 248
Applying DCB Policies in a Switch Stack.................................................................................................................. 248
Configure a DCBx Operation........................................................................................................................................248
DCBx Operation.........................................................................................................................................................248
DCBx Port Roles........................................................................................................................................................249
DCB Configuration Exchange................................................................................................................................ 250
Configuration Source Election...............................................................................................................................250
Propagation of DCB Information............................................................................................................................251
Auto-Detection and Manual Configuration of the DCBx Version.................................................................. 251
DCBx Example............................................................................................................................................................ 251
DCBx Prerequisites and Restrictions................................................................................................................... 252
Configuring DCBx..................................................................................................................................................... 252
Verifying the DCB Configuration................................................................................................................................ 255
QoS dot1p Traffic Classification and Queue Assignment......................................................................................264
Configuring the Dynamic Buffer Method..................................................................................................................264
Sample DCB Configuration...........................................................................................................................................265
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 268
DHCP Packet Format and Options.............................................................................................................................268
Assign an IP Address using DHCP.............................................................................................................................. 270
Implementation Information..........................................................................................................................................270
Configure the System to be a DHCP Server.............................................................................................................271
Configuring the Server for Automatic Address Allocation...............................................................................271
Specifying a Default Gateway................................................................................................................................ 272
Configure a Method of Hostname Resolution....................................................................................................273
Using DNS for Address Resolution....................................................................................................................... 273
Using NetBIOS WINS for Address Resolution....................................................................................................273
Creating Manual Binding Entries........................................................................................................................... 273
8
Contents
Debugging the DHCP Server..................................................................................................................................274
Using DHCP Clear Commands............................................................................................................................... 274
Configure the System to be a DHCP Client............................................................................................................. 274
Configuring the DHCP Client System.................................................................................................................. 274
DHCP Client on a Management Interface...........................................................................................................276
DHCP Client Operation with Other Features..................................................................................................... 276
DHCP Relay When DHCP Server and Client are in Different VRFs....................................................................277
Configuring Route Leaking between VRFs on DHCP Relay Agent............................................................... 277
Non-default VRF configuration for DHCPv6 helper address............................................................................... 278
Configuring DHCP relay source interface................................................................................................................. 278
Global DHCP relay source IPv4 or IPv6 configuration .................................................................................... 279
Interface level DHCP relay source IPv4 or IPv6 configuration ..................................................................... 279
Configure the System for User Port Stacking (Option 230)............................................................................... 280
Configure Secure DHCP............................................................................................................................................... 280
Option 82..................................................................................................................................................................... 281
DHCPv6 relay agent options...................................................................................................................................281
DHCP Snooping.........................................................................................................................................................282
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 286
Dynamic ARP Inspection......................................................................................................................................... 286
Configuring Dynamic ARP Inspection...................................................................................................................287
Source Address Validation............................................................................................................................................ 288
Enabling IP Source Address Validation................................................................................................................ 288
DHCP MAC Source Address Validation...............................................................................................................289
Enabling IP+MAC Source Address Validation.................................................................................................... 289
Viewing the Number of SAV Dropped Packets................................................................................................. 289
Clearing the Number of SAV Dropped Packets.................................................................................................290
Chapter 13: Equal Cost Multi-Path (ECMP)................................................................................291
ECMP for Flow-Based Affinity.....................................................................................................................................291
Configuring the Hash Algorithm.............................................................................................................................291
Enabling Deterministic ECMP Next Hop.............................................................................................................. 291
Configuring the Hash Algorithm Seed..................................................................................................................292
Link Bundle Monitoring..................................................................................................................................................292
Managing ECMP Group Paths...............................................................................................................................293
Creating an ECMP Group Bundle..........................................................................................................................293
Modifying the ECMP Group Threshold................................................................................................................293
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table..............................294
Support for ECMP in host table............................................................................................................................294
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ....................................................................294
Chapter 14: FIP Snooping.......................................................................................................... 295
Fibre Channel over Ethernet........................................................................................................................................295
Ensure Robustness in a Converged Ethernet Network.........................................................................................295
FIP Snooping on Ethernet Bridges............................................................................................................................. 296
FIP Snooping in a Switch Stack.................................................................................................................................. 298
Using FIP Snooping........................................................................................................................................................ 298
FIP Snooping Prerequisites.....................................................................................................................................298
Important Points to Remember............................................................................................................................. 298
Enabling the FCoE Transit Feature.......................................................................................................................299
Contents
9
Enable FIP Snooping on VLANs.............................................................................................................................299
Configure the FC-MAP Value................................................................................................................................ 300
Configure a Port for a Bridge-to-Bridge Link.................................................................................................... 300
Configure a Port for a Bridge-to-FCF Link.........................................................................................................300
Impact on Other Software Features.................................................................................................................... 300
FIP Snooping Restrictions....................................................................................................................................... 301
Configuring FIP Snooping........................................................................................................................................ 301
Displaying FIP Snooping Information.......................................................................................................................... 301
FCoE Transit Configuration Example.........................................................................................................................306
Chapter 15: Flex Hash and Optimized Boot-Up...........................................................................308
Flex Hash Capability Overview.................................................................................................................................... 308
Configuring the Flex Hash Mechanism......................................................................................................................308
Configuring Fast Boot and LACP Fast Switchover................................................................................................ 309
Optimizing the Boot Time.............................................................................................................................................309
Interoperation of Applications with Fast Boot and System States..................................................................... 310
RDMA Over Converged Ethernet (RoCE) Overview..............................................................................................313
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces..................................................................................313
Chapter 16: Force10 Resilient Ring Protocol (FRRP).................................................................. 315
Protocol Overview...........................................................................................................................................................315
Ring Status..................................................................................................................................................................316
Multiple FRRP Rings................................................................................................................................................. 316
Important FRRP Points.............................................................................................................................................317
Important FRRP Concepts...................................................................................................................................... 318
Implementing FRRP.........................................................................................................................................................318
FRRP Configuration........................................................................................................................................................ 319
Creating the FRRP Group........................................................................................................................................319
Configuring the Control VLAN................................................................................................................................319
Configuring and Adding the Member VLANs..................................................................................................... 320
Setting the FRRP Timers......................................................................................................................................... 321
Clearing the FRRP Counters...................................................................................................................................321
Viewing the FRRP Configuration........................................................................................................................... 321
Viewing the FRRP Information............................................................................................................................... 321
Troubleshooting FRRP...................................................................................................................................................322
Sample Configuration and Topology...........................................................................................................................322
FRRP Support on VLT................................................................................................................................................... 323
Chapter 17: GARP VLAN Registration Protocol (GVRP)............................................................. 326
Configure GVRP.............................................................................................................................................................. 327
Enabling GVRP Globally................................................................................................................................................. 327
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 328
Configure GVRP Registration...................................................................................................................................... 328
Configure a GARP Timer...............................................................................................................................................329
Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 330
IGMP Protocol Overview.............................................................................................................................................. 330
IGMP Version 2..........................................................................................................................................................330
IGMP Version 3..........................................................................................................................................................332
10
Contents
Configure IGMP...............................................................................................................................................................334
Viewing IGMP Enabled Interfaces.............................................................................................................................. 335
Selecting an IGMP Version........................................................................................................................................... 335
Viewing IGMP Groups....................................................................................................................................................336
Adjusting Timers..............................................................................................................................................................336
Adjusting Query and Response Timers................................................................................................................ 336
Enabling IGMP Immediate-Leave................................................................................................................................ 337
IGMP Snooping................................................................................................................................................................337
Configuring IGMP Snooping................................................................................................................................... 338
Removing a Group-Port Association.................................................................................................................... 338
Disabling Multicast Flooding...................................................................................................................................339
Specifying a Port as Connected to a Multicast Router................................................................................... 339
Configuring the Switch as Querier........................................................................................................................339
Fast Convergence after MSTP Topology Changes................................................................................................340
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................340
Designating a Multicast Router Interface................................................................................................................. 347
Chapter 19: Interfaces............................................................................................................... 348
Interface Types................................................................................................................................................................349
View Basic Interface Information................................................................................................................................349
Resetting an Interface to its Factory Default State............................................................................................... 351
Enabling a Physical Interface........................................................................................................................................ 351
Physical Interfaces......................................................................................................................................................... 352
Configuration Task List for Physical Interfaces.................................................................................................352
40G to 1G Breakout Cable Adaptor...................................................................................................................... 352
Overview of Layer Modes.......................................................................................................................................353
Configuring Layer 2 (Data Link) Mode................................................................................................................ 353
Configuring Layer 2 (Interface) Mode.................................................................................................................353
Configuring Layer 3 (Network) Mode..................................................................................................................354
Configuring Layer 3 (Interface) Mode.................................................................................................................354
Automatic recovery of an Err-disabled interface....................................................................................................355
Configuring an automatic recovery for an Err-disabled interface................................................................ 355
Egress Interface Selection (EIS).................................................................................................................................356
Configuring EIS..........................................................................................................................................................356
Management Interfaces................................................................................................................................................ 357
Configuring Management Interfaces....................................................................................................................357
Configuring a Management Interface on an Ethernet Port............................................................................358
VLAN Interfaces..............................................................................................................................................................359
Loopback Interfaces.......................................................................................................................................................359
Null Interfaces................................................................................................................................................................. 360
Port Channel Interfaces................................................................................................................................................ 360
Port Channel Definition and Standards............................................................................................................... 360
Port Channel Benefits..............................................................................................................................................360
Port Channel Implementation................................................................................................................................. 361
Interfaces in Port Channels.....................................................................................................................................361
Configuration Tasks for Port Channel Interfaces.............................................................................................. 361
Creating a Port Channel.......................................................................................................................................... 362
Adding a Physical Interface to a Port Channel.................................................................................................. 362
Reassigning an Interface to a New Port Channel............................................................................................. 363
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................364
Contents
11
Adding or Removing a Port Channel from a VLAN........................................................................................... 364
Assigning an IP Address to a Port Channel........................................................................................................ 365
Deleting or Disabling a Port Channel....................................................................................................................365
Load Balancing Through Port Channels.............................................................................................................. 366
Changing the Hash Algorithm................................................................................................................................ 366
Bulk Configuration.......................................................................................................................................................... 367
Interface Range......................................................................................................................................................... 367
Bulk Configuration Examples..................................................................................................................................367
Defining Interface Range Macros............................................................................................................................... 369
Define the Interface Range.................................................................................................................................... 369
Choosing an Interface-Range Macro................................................................................................................... 369
Monitoring and Maintaining Interfaces...................................................................................................................... 370
Maintenance Using TDR..........................................................................................................................................370
Non Dell-Qualified Transceivers................................................................................................................................... 371
Splitting 40G Ports without Reload.............................................................................................................................371
Splitting QSFP Ports to SFP+ Ports.......................................................................................................................... 373
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.............................................................................. 374
Link Dampening............................................................................................................................................................... 376
Enabling Link Dampening.........................................................................................................................................378
Link Bundle Monitoring.................................................................................................................................................. 379
Using Ethernet Pause Frames for Flow Control......................................................................................................379
Enabling Pause Frames............................................................................................................................................380
Configure the MTU Size on an Interface.................................................................................................................. 380
Port-Pipes......................................................................................................................................................................... 381
Auto-Negotiation on Ethernet Interfaces..................................................................................................................381
Setting the Speed of Ethernet Interfaces.......................................................................................................... 382
Set Auto-Negotiation Options............................................................................................................................... 383
View Advanced Interface Information....................................................................................................................... 383
Configuring the Interface Sampling Size.............................................................................................................384
Configuring the Traffic Sampling Size Globally....................................................................................................... 385
Dynamic Counters...........................................................................................................................................................386
Clearing Interface Counters....................................................................................................................................387
Compressing Configuration Files.................................................................................................................................387
Discard Counters............................................................................................................................................................ 389
Display discard counters......................................................................................................................................... 390
Chapter 20: IPv4 Routing.......................................................................................................... 392
IP Addresses.....................................................................................................................................................................393
Configuration Tasks for IP Addresses........................................................................................................................393
Assigning IP Addresses to an Interface..................................................................................................................... 393
Configuring Static Routes.............................................................................................................................................394
Configure Static Routes for the Management Interface...................................................................................... 395
IPv4 Path MTU Discovery Overview......................................................................................................................... 395
Using the Configured Source IP Address in ICMP Messages..............................................................................396
Configuring the Duration to Establish a TCP Connection.................................................................................... 396
Enabling Directed Broadcast........................................................................................................................................ 397
Resolution of Host Names............................................................................................................................................ 397
Enabling Dynamic Resolution of Host Names.......................................................................................................... 397
Specifying the Local System Domain and a List of Domains............................................................................... 398
Configuring DNS with Traceroute.............................................................................................................................. 398
12
Contents
ARP.................................................................................................................................................................................... 399
Configuration Tasks for ARP....................................................................................................................................... 399
Configuring Static ARP Entries................................................................................................................................... 399
Enabling Proxy ARP........................................................................................................................................................400
Clearing ARP Cache....................................................................................................................................................... 400
ARP Learning via Gratuitous ARP...............................................................................................................................400
Enabling ARP Learning via Gratuitous ARP..............................................................................................................400
ARP Learning via ARP Request....................................................................................................................................401
Configuring ARP Retries................................................................................................................................................ 401
ICMP.................................................................................................................................................................................. 402
Configuration Tasks for ICMP..................................................................................................................................... 402
Enabling ICMP Unreachable Messages..................................................................................................................... 402
ICMP Redirects............................................................................................................................................................... 402
UDP Helper.......................................................................................................................................................................403
Enabling UDP Helper......................................................................................................................................................404
Configurations Using UDP Helper...............................................................................................................................404
UDP Helper with Broadcast-All Addresses...............................................................................................................404
UDP Helper with Subnet Broadcast Addresses...................................................................................................... 405
UDP Helper with Configured Broadcast Addresses............................................................................................... 405
UDP Helper with No Configured Broadcast Addresses........................................................................................ 406
Troubleshooting UDP Helper....................................................................................................................................... 406
Chapter 21: IPv6 Routing...........................................................................................................407
Protocol Overview.......................................................................................................................................................... 407
Extended Address Space........................................................................................................................................ 407
Stateless Autoconfiguration................................................................................................................................... 407
IPv6 Headers..............................................................................................................................................................408
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support.............................................................. 408
IPv6 Header Fields....................................................................................................................................................409
Extension Header Fields............................................................................................................................................411
Addressing................................................................................................................................................................... 412
Implementing IPv6 with Dell EMC Networking OS..................................................................................................413
ICMPv6.............................................................................................................................................................................. 414
Path MTU discovery....................................................................................................................................................... 415
IPv6 Neighbor Discovery............................................................................................................................................... 415
IPv6 Neighbor Discovery of MTU Packets..........................................................................................................416
Configuring the IPv6 Recursive DNS Server...................................................................................................... 416
Debugging IPv6 RDNSS Information Sent to the Host ................................................................................... 417
Displaying IPv6 RDNSS Information...................................................................................................................... 417
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................ 418
Configuration Tasks for IPv6........................................................................................................................................ 418
Adjusting Your CAM-Profile.................................................................................................................................... 418
Assigning an IPv6 Address to an Interface..........................................................................................................419
Assigning a Static IPv6 Route................................................................................................................................ 419
Configuring Telnet with IPv6................................................................................................................................. 420
SNMP over IPv6........................................................................................................................................................420
Displaying IPv6 Information.................................................................................................................................... 420
Displaying an IPv6 Interface Information............................................................................................................. 421
Showing IPv6 Routes................................................................................................................................................421
Showing the Running-Configuration for an Interface...................................................................................... 422
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13
Clearing IPv6 Routes................................................................................................................................................423
Disabling ND Entry Timeout....................................................................................................................................423
Configuring IPv6 RA Guard.......................................................................................................................................... 423
Configuring IPv6 RA Guard on an Interface....................................................................................................... 425
Monitoring IPv6 RA Guard......................................................................................................................................425
Chapter 22: iSCSI Optimization.................................................................................................426
iSCSI Optimization Overview....................................................................................................................................... 426
Monitoring iSCSI Traffic Flows.............................................................................................................................. 427
Application of Quality of Service to iSCSI Traffic Flows................................................................................. 428
Information Monitored in iSCSI Traffic Flows....................................................................................................428
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................429
Configuring Detection and Ports for Dell Compellent Arrays.........................................................................429
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 429
Enable and Disable iSCSI Optimization................................................................................................................ 430
Default iSCSI Optimization Values..............................................................................................................................430
iSCSI Optimization Prerequisites................................................................................................................................. 431
Configuring iSCSI Optimization....................................................................................................................................431
Displaying iSCSI Optimization Information................................................................................................................433
Chapter 23: Intermediate System to Intermediate System.........................................................435
IS-IS Protocol Overview................................................................................................................................................435
IS-IS Addressing..............................................................................................................................................................435
Multi-Topology IS-IS...................................................................................................................................................... 436
Transition Mode.........................................................................................................................................................436
Interface Support......................................................................................................................................................436
Adjacencies.................................................................................................................................................................436
Graceful Restart.............................................................................................................................................................. 437
Timers...........................................................................................................................................................................437
Implementation Information..........................................................................................................................................437
Configuration Information.............................................................................................................................................438
Configuration Tasks for IS-IS................................................................................................................................. 438
Configuring the Distance of a Route....................................................................................................................445
Changing the IS-Type.............................................................................................................................................. 445
Redistributing IPv4 Routes..................................................................................................................................... 447
Redistributing IPv6 Routes..................................................................................................................................... 448
Configuring Authentication Passwords............................................................................................................... 449
Setting the Overload Bit..........................................................................................................................................449
Debugging IS-IS.........................................................................................................................................................450
IS-IS Metric Styles..........................................................................................................................................................450
Configure Metric Values................................................................................................................................................ 451
Maximum Values in the Routing Table..................................................................................................................451
Change the IS-IS Metric Style in One Level Only.............................................................................................. 451
Leaks from One Level to Another......................................................................................................................... 452
Sample Configurations...................................................................................................................................................453
Chapter 24: Link Aggregation Control Protocol (LACP)............................................................. 456
Introduction to Dynamic LAGs and LACP.................................................................................................................456
Important Points to Remember............................................................................................................................. 456
14
Contents
LACP Modes...............................................................................................................................................................457
Configuring LACP Commands................................................................................................................................457
LACP Configuration Tasks............................................................................................................................................457
Creating a LAG.......................................................................................................................................................... 458
Configuring the LAG Interfaces as Dynamic...................................................................................................... 458
Setting the LACP Long Timeout........................................................................................................................... 458
Monitoring and Debugging LACP..........................................................................................................................459
Shared LAG State Tracking..........................................................................................................................................459
Configuring Shared LAG State Tracking............................................................................................................. 460
Important Points about Shared LAG State Tracking........................................................................................ 461
LACP Basic Configuration Example............................................................................................................................462
Configure a LAG on ALPHA....................................................................................................................................462
Chapter 25: Layer 2................................................................................................................... 470
Manage the MAC Address Table.................................................................................................................................470
Clearing the MAC Address Table.......................................................................................................................... 470
Setting the Aging Time for Dynamic Entries...................................................................................................... 470
Configuring a Static MAC Address........................................................................................................................471
Displaying the MAC Address Table........................................................................................................................471
MAC Learning Limit.........................................................................................................................................................471
Setting the MAC Learning Limit............................................................................................................................ 472
mac learning-limit Dynamic..................................................................................................................................... 472
mac learning-limit mac-address-sticky................................................................................................................ 472
mac learning-limit station-move............................................................................................................................ 472
mac learning-limit no-station-move......................................................................................................................473
Learning Limit Violation Actions.............................................................................................................................473
Setting Station Move Violation Actions...............................................................................................................473
Recovering from Learning Limit and Station Move Violations....................................................................... 474
Enabling port security.............................................................................................................................................. 474
NIC Teaming.....................................................................................................................................................................474
Configure Redundant Pairs...........................................................................................................................................475
Far-End Failure Detection............................................................................................................................................. 478
FEFD State Changes................................................................................................................................................ 479
Configuring FEFD...................................................................................................................................................... 479
Enabling FEFD on an Interface.............................................................................................................................. 480
Debugging FEFD........................................................................................................................................................ 481
Chapter 26: Link Layer Discovery Protocol (LLDP).................................................................... 483
802.1AB (LLDP) Overview............................................................................................................................................483
Protocol Data Units.................................................................................................................................................. 483
Optional TLVs.................................................................................................................................................................. 485
Management TLVs....................................................................................................................................................485
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 486
TIA Organizationally Specific TLVs....................................................................................................................... 487
Configure LLDP...............................................................................................................................................................490
CONFIGURATION versus INTERFACE Configurations..........................................................................................491
Enabling LLDP.................................................................................................................................................................. 491
Disabling and Undoing LLDP................................................................................................................................... 491
Enabling LLDP on Management Ports....................................................................................................................... 492
Contents
15
Disabling and Undoing LLDP on Management Ports........................................................................................492
Advertising TLVs............................................................................................................................................................. 492
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 493
Viewing the LLDP Configuration................................................................................................................................. 494
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................495
Examples of Viewing Information Advertised by Neighbors...........................................................................495
Configuring LLDPDU Intervals.....................................................................................................................................496
Configuring LLDP Notification Interval......................................................................................................................497
Configuring LLDP Notification Interval......................................................................................................................497
Configuring Transmit and Receive Mode..................................................................................................................498
Configuring the Time to Live Value............................................................................................................................ 498
Debugging LLDP............................................................................................................................................................. 499
Relevant Management Objects................................................................................................................................... 500
Chapter 27: Microsoft Network Load Balancing.........................................................................505
Configuring a Switch for NLB .................................................................................................................................... 506
Enabling a Switch for Multicast NLB................................................................................................................... 507
Chapter 28: Multicast Source Discovery Protocol (MSDP)........................................................ 508
Anycast RP.......................................................................................................................................................................509
Implementation Information.......................................................................................................................................... 510
Configure Multicast Source Discovery Protocol......................................................................................................510
Related Configuration Tasks...................................................................................................................................510
Enable MSDP....................................................................................................................................................................514
Manage the Source-Active Cache.............................................................................................................................. 515
Viewing the Source-Active Cache.........................................................................................................................515
Limiting the Source-Active Cache.........................................................................................................................515
Clearing the Source-Active Cache........................................................................................................................ 515
Enabling the Rejected Source-Active Cache......................................................................................................516
Accept Source-Active Messages that Fail the RFP Check...................................................................................516
Specifying Source-Active Messages.......................................................................................................................... 519
Limiting the Source-Active Messages from a Peer................................................................................................520
Preventing MSDP from Caching a Local Source.................................................................................................... 520
Preventing MSDP from Caching a Remote Source................................................................................................ 521
Preventing MSDP from Advertising a Local Source............................................................................................... 521
Logging Changes in Peership States......................................................................................................................... 522
Terminating a Peership..................................................................................................................................................522
Clearing Peer Statistics................................................................................................................................................. 522
Debugging MSDP............................................................................................................................................................523
MSDP with Anycast RP.................................................................................................................................................523
Configuring Anycast RP................................................................................................................................................ 524
Reducing Source-Active Message Flooding.......................................................................................................525
Specifying the RP Address Used in SA Messages............................................................................................525
MSDP Sample Configurations......................................................................................................................................527
Chapter 29: Multicast Listener Discovery Protocol....................................................................530
MLD timers.......................................................................................................................................................................533
Reducing Host Response Burstiness....................................................................................................................533
Configuring MLD Version..............................................................................................................................................534
16
Contents
Clearing MLD groups..................................................................................................................................................... 534
Debugging MLD...............................................................................................................................................................534
Explicit Tracking.............................................................................................................................................................. 534
Reducing Leave Latency............................................................................................................................................... 534
Displaying MLD groups table........................................................................................................................................535
Displaying MLD Interfaces............................................................................................................................................535
Chapter 30: Multiple Spanning Tree Protocol (MSTP)............................................................... 536
Spanning Tree Variations.............................................................................................................................................. 537
Implementation Information....................................................................................................................................537
Configure Multiple Spanning Tree Protocol............................................................................................................. 537
Related Configuration Tasks.................................................................................................................................. 537
Enable Multiple Spanning Tree Globally.................................................................................................................... 538
Adding and Removing Interfaces................................................................................................................................ 538
Creating Multiple Spanning Tree Instances..............................................................................................................538
Influencing MSTP Root Selection...............................................................................................................................540
Interoperate with Non-Dell Bridges............................................................................................................................540
Changing the Region Name or Revision....................................................................................................................540
Modifying Global Parameters........................................................................................................................................541
Modifying the Interface Parameters.......................................................................................................................... 542
Setting STP path cost as constant............................................................................................................................ 543
Configuring an EdgePort...............................................................................................................................................543
Flush MAC Addresses after a Topology Change.....................................................................................................544
MSTP Sample Configurations......................................................................................................................................544
Debugging and Verifying MSTP Configurations......................................................................................................548
Chapter 31: Multicast Features..................................................................................................550
Enabling IP Multicast..................................................................................................................................................... 550
Implementation Information......................................................................................................................................... 550
Multicast Policies.............................................................................................................................................................551
IPv4 Multicast Policies............................................................................................................................................. 551
Understanding Multicast Traceroute (mtrace)....................................................................................................... 558
Printing Multicast Traceroute (mtrace) Paths........................................................................................................558
Supported Error Codes................................................................................................................................................. 560
mtrace Scenarios.............................................................................................................................................................561
Chapter 32: Multicast Listener Discovery Protocol.................................................................... 567
MLD timers.......................................................................................................................................................................570
Reducing Host Response Burstiness....................................................................................................................570
Clearing MLD groups...................................................................................................................................................... 571
Debugging MLD................................................................................................................................................................571
Explicit Tracking...............................................................................................................................................................571
Reducing Leave Latency................................................................................................................................................571
Displaying MLD groups table.........................................................................................................................................571
Displaying MLD Interfaces............................................................................................................................................ 572
MLD Snooping................................................................................................................................................................. 572
Enable MLD Snooping.............................................................................................................................................. 572
Disable MLD Snooping............................................................................................................................................. 572
Configure the switch as a querier......................................................................................................................... 573
Contents
17
Specify port as connected to multicast router.................................................................................................. 573
Enable Snooping Explicit Tracking........................................................................................................................ 573
Display the MLD Snooping Table...........................................................................................................................573
Chapter 33: Object Tracking......................................................................................................574
Object Tracking Overview............................................................................................................................................ 574
Track Layer 2 Interfaces......................................................................................................................................... 575
Track Layer 3 Interfaces......................................................................................................................................... 575
Track IPv4 and IPv6 Routes................................................................................................................................... 575
Set Tracking Delays.................................................................................................................................................. 576
VRRP Object Tracking............................................................................................................................................. 577
Object Tracking Configuration.....................................................................................................................................577
Tracking a Layer 2 Interface...................................................................................................................................577
Tracking a Layer 3 Interface...................................................................................................................................578
Track an IPv4/IPv6 Route...................................................................................................................................... 579
Displaying Tracked Objects.......................................................................................................................................... 582
Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 584
Protocol Overview..........................................................................................................................................................584
Autonomous System (AS) Areas...........................................................................................................................584
Area Types..................................................................................................................................................................585
Networks and Neighbors.........................................................................................................................................586
Router Types..............................................................................................................................................................586
Designated and Backup Designated Routers..................................................................................................... 587
Link-State Advertisements (LSAs).......................................................................................................................587
Router Priority and Cost......................................................................................................................................... 588
OSPF with Dell EMC Networking OS........................................................................................................................ 589
Graceful Restart........................................................................................................................................................589
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 590
Multi-Process OSPFv2 with VRF.......................................................................................................................... 591
RFC-2328 Compliant OSPF Flooding................................................................................................................... 591
OSPF ACK Packing...................................................................................................................................................592
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 592
Configuration Information.............................................................................................................................................593
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................593
OSPFv3 NSSA.................................................................................................................................................................605
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................... 605
Enabling IPv6 Unicast Routing.............................................................................................................................. 606
Applying cost for OSPFv3...................................................................................................................................... 606
Assigning IPv6 Addresses on an Interface..........................................................................................................607
Assigning Area ID on an Interface......................................................................................................................... 607
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................607
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................608
Configuring Stub Areas........................................................................................................................................... 608
Configuring Passive-Interface............................................................................................................................... 608
Redistributing Routes.............................................................................................................................................. 609
Configuring a Default Route...................................................................................................................................609
Enabling OSPFv3 Graceful Restart...................................................................................................................... 609
OSPFv3 Authentication Using IPsec..................................................................................................................... 611
18
Contents
Troubleshooting OSPFv3......................................................................................................................................... 617
MIB Support for OSPFv3.............................................................................................................................................. 618
Viewing the OSPFv3 MIB........................................................................................................................................ 618
Chapter 35: Policy-based Routing (PBR)................................................................................... 619
Overview............................................................................................................................................................................619
Implementing PBR.......................................................................................................................................................... 620
Configuration Task List for Policy-based Routing.................................................................................................. 620
Create a Redirect List...............................................................................................................................................621
Create a Rule for a Redirect-list............................................................................................................................ 621
Apply a Redirect-list to an Interface using a Redirect-group.........................................................................623
Sample Configuration.....................................................................................................................................................625
Chapter 36: PIM Sparse-Mode (PIM-SM).................................................................................. 629
Implementation Information......................................................................................................................................... 629
Protocol Overview..........................................................................................................................................................629
Requesting Multicast Traffic..................................................................................................................................629
Refuse Multicast Traffic..........................................................................................................................................630
Send Multicast Traffic............................................................................................................................................. 630
Configuring PIM-SM...................................................................................................................................................... 630
Related Configuration Tasks................................................................................................................................... 631
Enable PIM-SM................................................................................................................................................................ 631
Configuring S,G Expiry Timers.....................................................................................................................................633
Configuring a Static Rendezvous Point.....................................................................................................................633
Overriding Bootstrap Router Updates................................................................................................................. 634
Configuring a Designated Router................................................................................................................................634
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....................................................................................................................... 646
Enabling Flow-Based Monitoring.................................................................................................................................647
Remote Port Mirroring.................................................................................................................................................. 648
Remote Port Mirroring Example............................................................................................................................648
Configuring Remote Port Mirroring......................................................................................................................649
Displaying Remote-Port Mirroring Configurations............................................................................................650
Configuration procedure for Remote Port Mirroring........................................................................................ 651
Encapsulated Remote Port Monitoring..................................................................................................................... 655
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19
ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................657
Port Monitoring on VLT................................................................................................................................................ 658
Chapter 39: Per-VLAN Spanning Tree Plus (PVST+).................................................................. 661
Protocol Overview...........................................................................................................................................................661
Implementation Information......................................................................................................................................... 662
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 663
Enabling PVST+...............................................................................................................................................................663
Disabling PVST+..............................................................................................................................................................663
Influencing PVST+ Root Selection............................................................................................................................. 664
Modifying Global PVST+ Parameters........................................................................................................................ 665
Modifying Interface PVST+ Parameters................................................................................................................... 665
Configuring an EdgePort...............................................................................................................................................666
PVST+ in Multi-Vendor Networks.............................................................................................................................. 667
Enabling PVST+ Extend System ID............................................................................................................................ 667
PVST+ Sample Configurations.................................................................................................................................... 668
Chapter 40: Quality of Service (QoS)........................................................................................ 670
Implementation Information..........................................................................................................................................672
Port-Based QoS Configurations..................................................................................................................................672
Setting dot1p Priorities for Incoming Traffic...................................................................................................... 672
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................673
Configuring Port-Based Rate Policing................................................................................................................. 673
Configuring Port-Based Rate Shaping.................................................................................................................673
Policy-Based QoS Configurations............................................................................................................................... 674
Classify Traffic...........................................................................................................................................................675
Dot1p to Queue Mapping Requirement................................................................................................................677
Create a QoS Policy..................................................................................................................................................678
DSCP Color Maps..................................................................................................................................................... 680
Create Policy Maps...................................................................................................................................................682
Enabling QoS Rate Adjustment................................................................................................................................... 685
Enabling Strict-Priority Queueing............................................................................................................................... 686
Queue Classification Requirements for PFC Functionality...................................................................................686
Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 686
Weighted Random Early Detection.............................................................................................................................687
Creating WRED Profiles.......................................................................................................................................... 688
Applying a WRED Profile to Traffic...................................................................................................................... 688
Displaying Default and Configured WRED Profiles........................................................................................... 688
Displaying WRED Drop Statistics.......................................................................................................................... 688
Displaying egress–queue Statistics...................................................................................................................... 689
Pre-Calculating Available QoS CAM Space..............................................................................................................689
Specifying Policy-Based Rate Shaping in Packets Per Second.......................................................................... 690
Configuring Policy-Based Rate Shaping.................................................................................................................... 691
Configuring Weights and ECN for WRED ................................................................................................................ 691
Configuring WRED and ECN Attributes.................................................................................................................... 692
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................693
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........................694
Classifying Incoming Packets Using ECN and Color-Marking........................................................................694
Sample configuration to mark non-ecn packets as “yellow” with single traffic class..............................695
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