2. Computers & electronics
  3. Software
  4. Dell
  5. OS9
OS9

Dell OS9 Owner's manual

  • Hello! I am an AI chatbot trained to assist you with the Dell OS9 Owner's manual. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
Dell Configuration Guide for the S6010–ON
System
9.14.2.4
November 2019
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Other trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide.........................................................................................................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............................................................................................................................52
Using HTTP for File Transfers....................................................................................................................................... 52
Verify Software Images Before Installation................................................................................................................ 53
Chapter 4: Management.............................................................................................................. 55
Configuring Privilege Levels........................................................................................................................................... 55
Removing a Command from EXEC Mode............................................................................................................. 56
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 56
Allowing Access to CONFIGURATION Mode Commands................................................................................. 56
Contents
Contents 3
Allowing Access to Different Modes...................................................................................................................... 56
Applying a Privilege Level to a Username..............................................................................................................57
Applying a Privilege Level to a Terminal Line........................................................................................................57
Configuring Logging......................................................................................................................................................... 58
Audit and Security Logs.............................................................................................................................................58
Configuring Logging Format .............................................................................................................................60
Setting Up a Secure Connection to a Syslog Server................................................................................ 60
Log Messages in the Internal Buffer............................................................................................................................. 61
Disabling System Logging................................................................................................................................................ 61
Sending System Messages to a Syslog Server.......................................................................................................... 62
Configuring a UNIX System as a Syslog Server...................................................................................................62
Track Login Activity..........................................................................................................................................................62
Restrictions for Tracking Login Activity................................................................................................................ 62
Configuring Login Activity Tracking........................................................................................................................62
Display Login Statistics.............................................................................................................................................. 63
Limit Concurrent Login Sessions...................................................................................................................................64
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 64
Configuring Concurrent Session Limit................................................................................................................... 65
Enabling the System to Clear Existing Sessions..................................................................................................65
Enabling Secured CLI Mode........................................................................................................................................... 66
Changing System Logging Settings..............................................................................................................................66
Display the Logging Buffer and the Logging Configuration....................................................................................67
Configuring a UNIX Logging Facility Level..................................................................................................................67
Synchronizing Log Messages......................................................................................................................................... 68
Enabling Timestamp on Syslog Messages...................................................................................................................69
File Transfer Services........................................................................................................................................................71
Enabling the FTP Server............................................................................................................................................ 72
Configuring FTP Server Parameters.......................................................................................................................72
Configuring FTP Client Parameters........................................................................................................................ 72
Terminal Lines.....................................................................................................................................................................73
Denying and Permitting Access to a Terminal Line............................................................................................. 73
Configuring Login Authentication for Terminal Lines..........................................................................................74
Setting Timeout for EXEC Privilege Mode..................................................................................................................75
Using Telnet to get to Another Network Device.......................................................................................................75
Lock CONFIGURATION Mode....................................................................................................................................... 76
Restoring the Factory Default Settings....................................................................................................................... 77
Restoring Factory Default Environment Variables...............................................................................................77
Viewing the Reason for Last System Reboot.............................................................................................................78
Disabling Syslog Messages for SNMP Authentication Failure Events..................................................................79
Chapter 5: 802.1X....................................................................................................................... 80
Port-Authentication Process...........................................................................................................................................81
EAP over RADIUS........................................................................................................................................................82
Configuring 802.1X............................................................................................................................................................83
Important Points to Remember..................................................................................................................................... 83
Enabling 802.1X..................................................................................................................................................................84
Configuring Request Identity Re-Transmissions....................................................................................................... 85
Configuring a Quiet Period after a Failed Authentication..................................................................................86
Forcibly Authorizing or Unauthorizing a Port............................................................................................................. 86
Re-Authenticating a Port................................................................................................................................................ 87
4
Contents
Configuring Timeouts....................................................................................................................................................... 88
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 89
Guest and Authentication-Fail VLANs......................................................................................................................... 90
Configuring a Guest VLAN........................................................................................................................................90
Configuring an Authentication-Fail VLAN............................................................................................................. 90
Chapter 6: Access Control Lists (ACLs)...................................................................................... 92
IP Access Control Lists (ACLs)..................................................................................................................................... 93
CAM Usage................................................................................................................................................................... 93
Implementing ACLs on Dell EMC Networking OS............................................................................................... 94
Important Points to Remember..................................................................................................................................... 95
Configuration Task List for Route Maps................................................................................................................96
Configuring Match Routes........................................................................................................................................ 98
Configuring Set Conditions.......................................................................................................................................99
Configure a Route Map for Route Redistribution................................................................................................99
Configure a Route Map for Route Tagging......................................................................................................... 100
Continue Clause......................................................................................................................................................... 100
IP Fragment Handling......................................................................................................................................................101
IP Fragments ACL Examples....................................................................................................................................101
Layer 4 ACL Rules Examples................................................................................................................................... 101
Configure a Standard IP ACL........................................................................................................................................102
Configuring a Standard IP ACL Filter....................................................................................................................103
Configure an Extended IP ACL.....................................................................................................................................104
Configuring Filters with a Sequence Number..................................................................................................... 104
Configuring Filters Without a Sequence Number.............................................................................................. 105
Configure Layer 2 and Layer 3 ACLs.......................................................................................................................... 106
Assign an IP ACL to an Interface.................................................................................................................................106
Applying an IP ACL..........................................................................................................................................................106
Counting ACL Hits..................................................................................................................................................... 107
Configure Ingress ACLs..................................................................................................................................................107
Configure Egress ACLs.................................................................................................................................................. 108
Applying Egress Layer 3 ACLs (Control-Plane)................................................................................................. 109
IP Prefix Lists................................................................................................................................................................... 109
Configuration Task List for Prefix Lists................................................................................................................ 110
ACL Remarks..................................................................................................................................................................... 113
Configuring a Remark................................................................................................................................................ 113
Deleting a Remark...................................................................................................................................................... 113
ACL Resequencing........................................................................................................................................................... 114
Resequencing an ACL or Prefix List.......................................................................................................................114
Route Maps........................................................................................................................................................................115
Flow-Based Monitoring...................................................................................................................................................116
Enabling Flow-Based Monitoring............................................................................................................................ 117
Configuring IP Mirror Access Group............................................................................................................................118
Sample Configuration................................................................................................................................................ 119
Example of viewing IP mirror–access–group applied to an Interface........................................................... 119
Chapter 7: Bidirectional Forwarding Detection (BFD).................................................................120
How BFD Works...............................................................................................................................................................120
BFD Packet Format....................................................................................................................................................121
Contents
5
BFD Sessions.............................................................................................................................................................. 122
BFD Three-Way Handshake.................................................................................................................................... 123
Session State Changes.............................................................................................................................................124
Important Points to Remember....................................................................................................................................124
Configure BFD.................................................................................................................................................................. 124
Configure BFD for Physical Ports..........................................................................................................................125
Configure BFD for Static Routes........................................................................................................................... 126
Configure BFD for IPv6 Static Routes................................................................................................................. 130
Configure BFD for OSPF..........................................................................................................................................132
Configure BFD for OSPFv3..................................................................................................................................... 138
Configure BFD for IS-IS........................................................................................................................................... 140
Configure BFD for BGP............................................................................................................................................ 142
Configure BFD for VRRP......................................................................................................................................... 149
Configuring Protocol Liveness................................................................................................................................ 151
Chapter 8: Border Gateway Protocol (BGP)............................................................................... 152
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 152
BGP Autonomous Systems......................................................................................................................................152
AS4 Number Representation.................................................................................................................................. 154
Four-Byte AS Numbers............................................................................................................................................ 156
BGP router ID............................................................................................................................................................. 156
Sessions and Peers....................................................................................................................................................156
Establish a Session.................................................................................................................................................... 156
BGP Attributes for selecting Best Path............................................................................................................... 157
Multiprotocol BGP..................................................................................................................................................... 162
BGP global and address family configuration......................................................................................................163
Implement BGP with Dell EMC Networking OS................................................................................................. 164
Configuration Information........................................................................................................................................167
Basic BGP configuration tasks..................................................................................................................................... 168
Prerequisite for configuring a BGP network....................................................................................................... 168
Restrictions................................................................................................................................................................. 168
Enabling BGP.............................................................................................................................................................. 168
Enabling four-byte autonomous system numbers..............................................................................................170
Changing a BGP router ID........................................................................................................................................ 171
Configuring AS4 Number Representations...........................................................................................................171
Configuring a BGP peer............................................................................................................................................172
Example-Configuring BGP routing between peers............................................................................................ 173
BGP peer group..........................................................................................................................................................174
Advanced BGP configuration tasks............................................................................................................................. 181
Route-refresh and Soft-reconfiguration...............................................................................................................181
Aggregating Routes...................................................................................................................................................183
Filtering BGP...............................................................................................................................................................185
Configuring BGP Fast Fall-Over.............................................................................................................................190
Configuring Passive Peering................................................................................................................................... 192
Enabling Graceful Restart........................................................................................................................................192
Redistributing Routes............................................................................................................................................... 193
Enabling Additional Paths........................................................................................................................................ 194
Configuring IP Community Lists.............................................................................................................................195
Configuring an IP Extended Community List...................................................................................................... 196
Configure BGP attributes........................................................................................................................................ 197
6
Contents
Enabling Multipath.................................................................................................................................................... 200
Route Reflectors........................................................................................................................................................201
Enabling Route Flap Dampening............................................................................................................................202
Changing BGP keepalive and hold timers........................................................................................................... 204
Setting the extended timer.................................................................................................................................... 205
Enabling or disabling BGP neighbors....................................................................................................................205
Route Map Continue................................................................................................................................................ 206
Configuring BGP Confederations..........................................................................................................................207
Configuring a BGP VRF address family............................................................................................................... 207
Maintaining Existing AS Numbers During an AS Migration.............................................................................209
Allowing an AS Number to Appear in its Own AS Path................................................................................... 209
Enabling MBGP Configurations.............................................................................................................................. 210
MBGP support for IPv6............................................................................................................................................ 211
Configuring IPv6 MBGP between peers............................................................................................................... 211
Example-Configuring IPv4 and IPv6 neighbors................................................................................................... 211
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor................................... 214
BGP Regular Expression Optimization..................................................................................................................215
Debugging BGP.......................................................................................................................................................... 215
Chapter 9: Content Addressable Memory (CAM)........................................................................218
CAM Allocation.................................................................................................................................................................218
Test CAM Usage............................................................................................................................................................. 220
View CAM Profiles..........................................................................................................................................................220
View CAM-ACL Settings................................................................................................................................................221
View CAM Usage............................................................................................................................................................ 222
Configuring CAM Threshold and Silence Period..................................................................................................... 223
CAM Optimization...........................................................................................................................................................224
Troubleshoot CAM Profiling......................................................................................................................................... 224
QoS CAM Region Limitation...................................................................................................................................224
Syslog Error When the Table is Full......................................................................................................................225
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................225
Syslog Warning for Discrepancies Between Configured Extended Prefixes..............................................225
Unified Forwarding Table (UFT) Modes....................................................................................................................225
Configuring UFT Modes.......................................................................................................................................... 225
Chapter 10: Control Plane Policing (CoPP)................................................................................ 227
Configure Control Plane Policing................................................................................................................................ 228
Configuring CoPP for Protocols............................................................................................................................229
Configuring CoPP for CPU Queues......................................................................................................................230
Displaying CoPP Configuration ..............................................................................................................................231
Chapter 11: Data Center Bridging (DCB).................................................................................... 233
Ethernet Enhancements in Data Center Bridging...................................................................................................233
Priority-Based Flow Control................................................................................................................................... 234
Enhanced Transmission Selection.........................................................................................................................235
Data Center Bridging Exchange Protocol (DCBx)............................................................................................ 236
Data Center Bridging in a Traffic Flow................................................................................................................ 237
Enabling Data Center Bridging.....................................................................................................................................237
DCB Maps and its Attributes..................................................................................................................................238
Contents
7
Data Center Bridging: Default Configuration........................................................................................................... 238
Configuring Priority-Based Flow Control.................................................................................................................. 239
Configuring Lossless Queues................................................................................................................................. 239
Configuring PFC in a DCB Map.................................................................................................................................... 241
Applying a DCB Map on a Port.................................................................................................................................... 242
Configuring PFC without a DCB Map........................................................................................................................ 243
Priority-Based Flow Control Using Dynamic Buffer Method................................................................................244
Behavior of Tagged Packets........................................................................................................................................ 245
Configuration Example for DSCP and PFC Priorities.............................................................................................245
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................246
Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................247
PFC and ETS Configuration Examples.......................................................................................................................248
Using PFC to Manage Converged Ethernet Traffic............................................................................................... 248
Operations on Untagged Packets............................................................................................................................... 248
Generation of PFC for a Priority for Untagged Packets.......................................................................................249
Configure Enhanced Transmission Selection........................................................................................................... 249
ETS Prerequisites and Restrictions...................................................................................................................... 249
Creating an ETS Priority Group............................................................................................................................. 249
ETS Operation with DCBx...................................................................................................................................... 250
Configuring Bandwidth Allocation for DCBx CIN.............................................................................................. 250
Configuring ETS in a DCB Map.............................................................................................................................. 251
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 252
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 253
Applying DCB Policies in a Switch Stack.................................................................................................................. 253
Configure a DCBx Operation........................................................................................................................................253
DCBx Operation.........................................................................................................................................................253
DCBx Port Roles........................................................................................................................................................254
DCB Configuration Exchange................................................................................................................................ 255
Configuration Source Election...............................................................................................................................255
Propagation of DCB Information...........................................................................................................................256
Auto-Detection and Manual Configuration of the DCBx Version..................................................................256
DCBx Example........................................................................................................................................................... 256
DCBx Prerequisites and Restrictions....................................................................................................................257
Configuring DCBx......................................................................................................................................................257
Verifying the DCB Configuration................................................................................................................................ 260
QoS dot1p Traffic Classification and Queue Assignment......................................................................................269
Configuring the Dynamic Buffer Method..................................................................................................................269
Sample DCB Configuration........................................................................................................................................... 270
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 273
DHCP Packet Format and Options............................................................................................................................. 273
Assign an IP Address using DHCP.............................................................................................................................. 275
Implementation Information..........................................................................................................................................275
Configure the System to be a DHCP Server............................................................................................................276
Configuring the Server for Automatic Address Allocation.............................................................................. 276
Specifying a Default Gateway................................................................................................................................ 277
Configure a Method of Hostname Resolution....................................................................................................278
Using DNS for Address Resolution....................................................................................................................... 278
Using NetBIOS WINS for Address Resolution....................................................................................................278
Creating Manual Binding Entries........................................................................................................................... 278
8
Contents
Debugging the DHCP Server..................................................................................................................................279
Using DHCP Clear Commands............................................................................................................................... 279
Configure the System to be a DHCP Client............................................................................................................. 279
Configuring the DHCP Client System.................................................................................................................. 279
DHCP Client on a Management Interface........................................................................................................... 281
DHCP Client Operation with Other Features......................................................................................................281
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 282
Configuring Route Leaking between VRFs on DHCP Relay Agent............................................................... 282
Non-default VRF configuration for DHCPv6 helper address............................................................................... 283
Configuring DHCP relay source interface.................................................................................................................283
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................284
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................284
Configure the System for User Port Stacking (Option 230)............................................................................... 285
Configure Secure DHCP............................................................................................................................................... 285
Option 82 (DHCPv4 relay options).......................................................................................................................286
DHCPv6 relay agent options..................................................................................................................................286
DHCP Snooping......................................................................................................................................................... 287
Drop DHCP Packets on Snooped VLANs Only...................................................................................................291
Dynamic ARP Inspection.......................................................................................................................................... 291
Configuring Dynamic ARP Inspection...................................................................................................................292
Source Address Validation............................................................................................................................................ 293
Enabling IP Source Address Validation................................................................................................................ 293
DHCP MAC Source Address Validation............................................................................................................... 294
Enabling IP+MAC Source Address Validation.................................................................................................... 294
Viewing the Number of SAV Dropped Packets................................................................................................. 295
Clearing the Number of SAV Dropped Packets.................................................................................................295
Chapter 13: Equal Cost Multi-Path (ECMP)............................................................................... 296
ECMP for Flow-Based Affinity.................................................................................................................................... 296
Configuring the Hash Algorithm............................................................................................................................ 296
Enabling Deterministic ECMP Next Hop............................................................................................................. 296
Configuring the Hash Algorithm Seed..................................................................................................................297
Link Bundle Monitoring.................................................................................................................................................. 297
Managing ECMP Group Paths...............................................................................................................................298
Creating an ECMP Group Bundle..........................................................................................................................298
Modifying the ECMP Group Threshold................................................................................................................298
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table..............................299
Support for ECMP in host table............................................................................................................................299
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ....................................................................299
Chapter 14: FIP Snooping.......................................................................................................... 300
Fibre Channel over Ethernet........................................................................................................................................300
Ensure Robustness in a Converged Ethernet Network.........................................................................................300
FIP Snooping on Ethernet Bridges.............................................................................................................................. 301
FIP Snooping in a Switch Stack.................................................................................................................................. 303
Using FIP Snooping........................................................................................................................................................ 303
FIP Snooping Prerequisites.....................................................................................................................................303
Important Points to Remember............................................................................................................................. 303
Enabling the FCoE Transit Feature.......................................................................................................................304
Contents
9
Enable FIP Snooping on VLANs.............................................................................................................................304
Configure the FC-MAP Value................................................................................................................................ 305
Configure a Port for a Bridge-to-Bridge Link.................................................................................................... 305
Configure a Port for a Bridge-to-FCF Link.........................................................................................................305
Impact on Other Software Features.................................................................................................................... 305
FIP Snooping Restrictions.......................................................................................................................................306
Configuring FIP Snooping....................................................................................................................................... 306
Displaying FIP Snooping Information..........................................................................................................................306
FCoE Transit Configuration Example...........................................................................................................................311
Chapter 15: Flex Hash and Optimized Boot-Up........................................................................... 313
Flex Hash Capability Overview..................................................................................................................................... 313
Configuring the Flex Hash Mechanism.......................................................................................................................313
Configuring Fast Boot and LACP Fast Switchover.................................................................................................314
Optimizing the Boot Time..............................................................................................................................................314
Interoperation of Applications with Fast Boot and System States..................................................................... 315
RDMA Over Converged Ethernet (RoCE) Overview..............................................................................................318
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces..................................................................................318
Chapter 16: Force10 Resilient Ring Protocol (FRRP)................................................................. 320
Protocol Overview..........................................................................................................................................................320
Ring Status.................................................................................................................................................................. 321
Multiple FRRP Rings..................................................................................................................................................321
Important FRRP Points............................................................................................................................................322
Important FRRP Concepts......................................................................................................................................323
Implementing FRRP........................................................................................................................................................323
FRRP Configuration........................................................................................................................................................324
Creating the FRRP Group....................................................................................................................................... 324
Configuring the Control VLAN...............................................................................................................................324
Configuring and Adding the Member VLANs..................................................................................................... 325
Setting the FRRP Timers........................................................................................................................................ 326
Clearing the FRRP Counters.................................................................................................................................. 326
Viewing the FRRP Configuration.......................................................................................................................... 326
Viewing the FRRP Information.............................................................................................................................. 326
Troubleshooting FRRP................................................................................................................................................... 327
Sample Configuration and Topology...........................................................................................................................327
FRRP Support on VLT................................................................................................................................................... 328
Chapter 17: GARP VLAN Registration Protocol (GVRP).............................................................. 331
Configure GVRP.............................................................................................................................................................. 332
Enabling GVRP Globally.................................................................................................................................................332
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 333
Configure GVRP Registration...................................................................................................................................... 333
Configure a GARP Timer...............................................................................................................................................334
Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 335
IGMP Protocol Overview.............................................................................................................................................. 335
IGMP Version 2..........................................................................................................................................................335
IGMP Version 3..........................................................................................................................................................337
10
Contents
Configure IGMP...............................................................................................................................................................339
Viewing IGMP Enabled Interfaces.............................................................................................................................. 340
Selecting an IGMP Version........................................................................................................................................... 340
Viewing IGMP Groups.....................................................................................................................................................341
Adjusting Timers...............................................................................................................................................................341
Adjusting Query and Response Timers................................................................................................................. 341
Enabling IGMP Immediate-Leave................................................................................................................................ 342
IGMP Snooping................................................................................................................................................................342
Configuring IGMP Snooping................................................................................................................................... 343
Removing a Group-Port Association.................................................................................................................... 343
Disabling Multicast Flooding................................................................................................................................... 344
Specifying a Port as Connected to a Multicast Router................................................................................... 344
Configuring the Switch as Querier........................................................................................................................344
Fast Convergence after MSTP Topology Changes................................................................................................345
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................345
Designating a Multicast Router Interface................................................................................................................. 352
Chapter 19: Interfaces............................................................................................................... 353
Interface Types............................................................................................................................................................... 354
View Basic Interface Information................................................................................................................................354
Resetting an Interface to its Factory Default State...............................................................................................356
Enabling a Physical Interface....................................................................................................................................... 356
Physical Interfaces..........................................................................................................................................................357
Configuration Task List for Physical Interfaces.................................................................................................357
40G to 1G Breakout Cable Adaptor...................................................................................................................... 357
Overview of Layer Modes.......................................................................................................................................358
Configuring Layer 2 (Data Link) Mode................................................................................................................ 358
Configuring Layer 2 (Interface) Mode.................................................................................................................358
Configuring Layer 3 (Network) Mode..................................................................................................................359
Configuring Layer 3 (Interface) Mode.................................................................................................................359
Automatic recovery of an Err-disabled interface....................................................................................................360
Configuring an automatic recovery for an Err-disabled interface................................................................ 360
Egress Interface Selection (EIS)..................................................................................................................................361
Configuring EIS...........................................................................................................................................................361
Management Interfaces................................................................................................................................................ 362
Configuring Management Interfaces....................................................................................................................362
Configuring a Management Interface on an Ethernet Port............................................................................363
VLAN Interfaces..............................................................................................................................................................364
Loopback Interfaces.......................................................................................................................................................364
Null Interfaces................................................................................................................................................................. 365
Configuring Port Delay.................................................................................................................................................. 365
Port Channel Interfaces................................................................................................................................................ 365
Port Channel Definition and Standards............................................................................................................... 366
Port Channel Benefits..............................................................................................................................................366
Port Channel Implementation.................................................................................................................................366
Interfaces in Port Channels.................................................................................................................................... 366
Configuration Tasks for Port Channel Interfaces..............................................................................................367
Creating a Port Channel.......................................................................................................................................... 367
Adding a Physical Interface to a Port Channel.................................................................................................. 367
Reassigning an Interface to a New Port Channel............................................................................................. 369
Contents
11
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................369
Adding or Removing a Port Channel from a VLAN........................................................................................... 370
Assigning an IP Address to a Port Channel......................................................................................................... 371
Deleting or Disabling a Port Channel.....................................................................................................................371
Load Balancing Through Port Channels............................................................................................................... 371
Changing the Hash Algorithm................................................................................................................................. 371
Bulk Configuration...........................................................................................................................................................372
Interface Range......................................................................................................................................................... 372
Bulk Configuration Examples..................................................................................................................................373
Defining Interface Range Macros................................................................................................................................374
Define the Interface Range.....................................................................................................................................375
Choosing an Interface-Range Macro................................................................................................................... 375
Monitoring and Maintaining Interfaces...................................................................................................................... 375
Maintenance Using TDR.......................................................................................................................................... 376
Non Dell-Qualified Transceivers.................................................................................................................................. 376
Splitting 40G Ports without Reload............................................................................................................................ 377
Splitting QSFP Ports to SFP+ Ports.......................................................................................................................... 378
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.............................................................................. 379
Link Dampening................................................................................................................................................................ 381
Enabling Link Dampening.........................................................................................................................................384
Link Bundle Monitoring..................................................................................................................................................385
Using Ethernet Pause Frames for Flow Control......................................................................................................385
Enabling Pause Frames............................................................................................................................................386
Configure the MTU Size on an Interface.................................................................................................................. 386
Port-Pipes.........................................................................................................................................................................387
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 387
Setting the Speed of Ethernet Interfaces.......................................................................................................... 388
Set Auto-Negotiation Options............................................................................................................................... 389
View Advanced Interface Information....................................................................................................................... 389
Configuring the Interface Sampling Size.............................................................................................................390
Configuring the Traffic Sampling Size Globally........................................................................................................391
Dynamic Counters...........................................................................................................................................................392
Clearing Interface Counters................................................................................................................................... 393
Compressing Configuration Files.................................................................................................................................393
Discard Counters............................................................................................................................................................ 395
Display discard counters..........................................................................................................................................396
Chapter 20: IPv4 Routing.......................................................................................................... 398
IP Addresses.................................................................................................................................................................... 399
Configuration Tasks for IP Addresses....................................................................................................................... 399
Assigning IP Addresses to an Interface.....................................................................................................................399
Configuring Static Routes............................................................................................................................................ 400
Adding description for IPv4 and IPv6 static routes...........................................................................................401
Configure Static Routes for the Management Interface...................................................................................... 402
IPv4 Path MTU Discovery Overview......................................................................................................................... 402
Using the Configured Source IP Address in ICMP Messages..............................................................................403
Configuring the Duration to Establish a TCP Connection.................................................................................... 403
Enabling Directed Broadcast........................................................................................................................................403
Resolution of Host Names............................................................................................................................................ 404
Enabling Dynamic Resolution of Host Names.......................................................................................................... 404
12
Contents
Specifying the Local System Domain and a List of Domains............................................................................... 405
Configuring DNS with Traceroute.............................................................................................................................. 405
ARP.................................................................................................................................................................................... 406
Configuration Tasks for ARP....................................................................................................................................... 406
Configuring Static ARP Entries................................................................................................................................... 406
Enabling Proxy ARP........................................................................................................................................................407
Clearing ARP Cache....................................................................................................................................................... 407
ARP Learning via Gratuitous ARP...............................................................................................................................407
Enabling ARP Learning via Gratuitous ARP.............................................................................................................. 407
ARP Learning via ARP Request...................................................................................................................................408
Configuring ARP Retries............................................................................................................................................... 408
ICMP.................................................................................................................................................................................. 409
Configuration Tasks for ICMP..................................................................................................................................... 409
Enabling ICMP Unreachable Messages..................................................................................................................... 409
ICMP Redirects............................................................................................................................................................... 409
UDP Helper........................................................................................................................................................................410
Enabling UDP Helper........................................................................................................................................................411
Configurations Using UDP Helper................................................................................................................................ 411
UDP Helper with Broadcast-All Addresses................................................................................................................ 411
UDP Helper with Subnet Broadcast Addresses....................................................................................................... 412
UDP Helper with Configured Broadcast Addresses................................................................................................412
UDP Helper with No Configured Broadcast Addresses......................................................................................... 413
Troubleshooting UDP Helper........................................................................................................................................ 413
Chapter 21: IPv6 Routing........................................................................................................... 414
Protocol Overview...........................................................................................................................................................414
Extended Address Space......................................................................................................................................... 414
Stateless Autoconfiguration....................................................................................................................................414
IPv6 Headers...............................................................................................................................................................415
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support............................................................... 415
IPv6 Header Fields.....................................................................................................................................................416
Extension Header Fields...........................................................................................................................................418
Addressing................................................................................................................................................................... 419
Implementing IPv6 with Dell EMC Networking OS.................................................................................................420
ICMPv6.............................................................................................................................................................................. 421
Path MTU discovery.......................................................................................................................................................422
IPv6 Neighbor Discovery...............................................................................................................................................422
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 423
Configuring the IPv6 Recursive DNS Server......................................................................................................423
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 424
Displaying IPv6 RDNSS Information..................................................................................................................... 424
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................425
Configuration Tasks for IPv6....................................................................................................................................... 425
Adjusting Your CAM-Profile................................................................................................................................... 425
Assigning an IPv6 Address to an Interface......................................................................................................... 426
Assigning a Static IPv6 Route................................................................................................................................426
Configuring Telnet with IPv6..................................................................................................................................427
SNMP over IPv6........................................................................................................................................................427
Displaying IPv6 Information.................................................................................................................................... 427
Displaying an IPv6 Interface Information............................................................................................................ 428
Contents
13
Showing IPv6 Routes............................................................................................................................................... 428
Showing the Running-Configuration for an Interface......................................................................................429
Clearing IPv6 Routes................................................................................................................................................430
Disabling ND Entry Timeout................................................................................................................................... 430
Configuring IPv6 RA Guard.......................................................................................................................................... 430
Configuring IPv6 RA Guard on an Interface....................................................................................................... 432
Monitoring IPv6 RA Guard......................................................................................................................................432
Chapter 22: iSCSI Optimization................................................................................................. 433
iSCSI Optimization Overview....................................................................................................................................... 433
Monitoring iSCSI Traffic Flows.............................................................................................................................. 434
Application of Quality of Service to iSCSI Traffic Flows.................................................................................435
Information Monitored in iSCSI Traffic Flows....................................................................................................435
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................436
Configuring Detection and Ports for Dell Compellent Arrays.........................................................................436
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 436
Enable and Disable iSCSI Optimization................................................................................................................ 437
Default iSCSI Optimization Values.............................................................................................................................. 437
iSCSI Optimization Prerequisites................................................................................................................................ 438
Configuring iSCSI Optimization................................................................................................................................... 438
Displaying iSCSI Optimization Information............................................................................................................... 440
Chapter 23: Intermediate System to Intermediate System.........................................................442
IS-IS Protocol Overview................................................................................................................................................442
IS-IS Addressing.............................................................................................................................................................. 442
Multi-Topology IS-IS...................................................................................................................................................... 443
Transition Mode.........................................................................................................................................................443
Interface Support......................................................................................................................................................443
Adjacencies................................................................................................................................................................. 443
Graceful Restart..............................................................................................................................................................444
Timers.......................................................................................................................................................................... 444
Implementation Information..........................................................................................................................................444
Configuration Information.............................................................................................................................................445
Configuration Tasks for IS-IS.................................................................................................................................445
Configuring the Distance of a Route....................................................................................................................452
Changing the IS-Type.............................................................................................................................................. 452
Redistributing IPv4 Routes..................................................................................................................................... 454
Redistributing IPv6 Routes.....................................................................................................................................455
Configuring Authentication Passwords............................................................................................................... 456
Setting the Overload Bit......................................................................................................................................... 456
Debugging IS-IS......................................................................................................................................................... 457
IS-IS Metric Styles..........................................................................................................................................................457
Configure Metric Values................................................................................................................................................458
Maximum Values in the Routing Table.................................................................................................................458
Change the IS-IS Metric Style in One Level Only............................................................................................. 458
Leaks from One Level to Another.........................................................................................................................459
Sample Configurations...................................................................................................................................................460
Chapter 24: Link Aggregation Control Protocol (LACP)............................................................. 463
14
Contents
Introduction to Dynamic LAGs and LACP.................................................................................................................463
Important Points to Remember............................................................................................................................. 463
LACP Modes...............................................................................................................................................................464
Configuring LACP Commands................................................................................................................................464
LACP Configuration Tasks............................................................................................................................................464
Creating a LAG.......................................................................................................................................................... 465
Configuring the LAG Interfaces as Dynamic...................................................................................................... 465
Setting the LACP Long Timeout........................................................................................................................... 465
Monitoring and Debugging LACP..........................................................................................................................466
Shared LAG State Tracking..........................................................................................................................................466
Configuring Shared LAG State Tracking............................................................................................................. 467
Important Points about Shared LAG State Tracking........................................................................................468
LACP Basic Configuration Example............................................................................................................................469
Configure a LAG on ALPHA....................................................................................................................................469
Chapter 25: Layer 2................................................................................................................... 477
Manage the MAC Address Table.................................................................................................................................477
Clearing the MAC Address Table...........................................................................................................................477
Setting the Aging Time for Dynamic Entries...................................................................................................... 477
Configuring a Static MAC Address....................................................................................................................... 478
Displaying the MAC Address Table....................................................................................................................... 478
MAC Learning Limit........................................................................................................................................................ 478
Setting the MAC Learning Limit............................................................................................................................ 479
mac learning-limit Dynamic..................................................................................................................................... 479
mac learning-limit mac-address-sticky................................................................................................................ 479
mac learning-limit station-move............................................................................................................................ 479
mac learning-limit no-station-move......................................................................................................................480
Learning Limit Violation Actions............................................................................................................................ 480
Setting Station Move Violation Actions...............................................................................................................480
Recovering from Learning Limit and Station Move Violations........................................................................481
Enabling port security...............................................................................................................................................481
NIC Teaming..................................................................................................................................................................... 481
Configure Redundant Pairs...........................................................................................................................................482
Far-End Failure Detection.............................................................................................................................................485
FEFD State Changes................................................................................................................................................486
Configuring FEFD......................................................................................................................................................486
Enabling FEFD on an Interface...............................................................................................................................487
Debugging FEFD........................................................................................................................................................488
Chapter 26: Link Layer Discovery Protocol (LLDP).................................................................... 490
802.1AB (LLDP) Overview............................................................................................................................................490
Protocol Data Units.................................................................................................................................................. 490
Optional TLVs.................................................................................................................................................................. 492
Management TLVs....................................................................................................................................................492
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 493
TIA Organizationally Specific TLVs.......................................................................................................................494
Configure LLDP............................................................................................................................................................... 497
CONFIGURATION versus INTERFACE Configurations......................................................................................... 498
Enabling LLDP..................................................................................................................................................................498
Contents
15
Disabling and Undoing LLDP.................................................................................................................................. 498
Enabling LLDP on Management Ports.......................................................................................................................499
Disabling and Undoing LLDP on Management Ports........................................................................................499
Advertising TLVs.............................................................................................................................................................499
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 500
Viewing the LLDP Configuration................................................................................................................................. 501
Viewing Information Advertised by Adjacent LLDP Neighbors........................................................................... 502
Examples of Viewing Information Advertised by Neighbors...........................................................................502
Configuring LLDPDU Intervals.....................................................................................................................................504
Configuring LLDP Notification Interval..................................................................................................................... 505
Configuring LLDP Notification Interval..................................................................................................................... 505
Configuring Transmit and Receive Mode..................................................................................................................505
Configuring the Time to Live Value............................................................................................................................506
Debugging LLDP..............................................................................................................................................................507
Relevant Management Objects................................................................................................................................... 508
Chapter 27: Microsoft Network Load Balancing..........................................................................513
Configuring a Switch for NLB ..................................................................................................................................... 514
Enabling a Switch for Multicast NLB....................................................................................................................515
Chapter 28: Multicast Source Discovery Protocol (MSDP).........................................................516
Anycast RP........................................................................................................................................................................517
Implementation Information.......................................................................................................................................... 518
Configure Multicast Source Discovery Protocol......................................................................................................518
Related Configuration Tasks...................................................................................................................................518
Enable MSDP................................................................................................................................................................... 522
Manage the Source-Active Cache..............................................................................................................................523
Viewing the Source-Active Cache........................................................................................................................ 523
Limiting the Source-Active Cache........................................................................................................................523
Clearing the Source-Active Cache....................................................................................................................... 523
Enabling the Rejected Source-Active Cache..................................................................................................... 524
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 524
Specifying Source-Active Messages..........................................................................................................................527
Limiting the Source-Active Messages from a Peer................................................................................................528
Preventing MSDP from Caching a Local Source.................................................................................................... 528
Preventing MSDP from Caching a Remote Source............................................................................................... 529
Preventing MSDP from Advertising a Local Source.............................................................................................. 529
Logging Changes in Peership States......................................................................................................................... 530
Terminating a Peership..................................................................................................................................................530
Clearing Peer Statistics.................................................................................................................................................530
Debugging MSDP.............................................................................................................................................................531
MSDP with Anycast RP................................................................................................................................................. 531
Configuring Anycast RP................................................................................................................................................ 532
Reducing Source-Active Message Flooding....................................................................................................... 533
Specifying the RP Address Used in SA Messages............................................................................................ 533
MSDP Sample Configurations..................................................................................................................................... 535
Chapter 29: Multicast Listener Discovery Protocol....................................................................538
MLD timers........................................................................................................................................................................541
16
Contents
Reducing Host Response Burstiness.................................................................................................................... 541
Configuring MLD Version..............................................................................................................................................542
Clearing MLD groups..................................................................................................................................................... 542
Debugging MLD...............................................................................................................................................................542
Explicit Tracking.............................................................................................................................................................. 542
Reducing Leave Latency............................................................................................................................................... 542
Displaying MLD groups table........................................................................................................................................543
Displaying MLD Interfaces............................................................................................................................................ 543
Chapter 30: Multiple Spanning Tree Protocol (MSTP)............................................................... 544
Spanning Tree Variations..............................................................................................................................................545
Implementation Information................................................................................................................................... 545
Configure Multiple Spanning Tree Protocol............................................................................................................. 545
Related Configuration Tasks.................................................................................................................................. 545
Enable Multiple Spanning Tree Globally.................................................................................................................... 546
Adding and Removing Interfaces................................................................................................................................ 546
Creating Multiple Spanning Tree Instances..............................................................................................................546
Influencing MSTP Root Selection...............................................................................................................................548
Interoperate with Non-Dell Bridges............................................................................................................................548
Changing the Region Name or Revision....................................................................................................................548
Modifying Global Parameters.......................................................................................................................................549
Modifying the Interface Parameters..........................................................................................................................550
Setting STP path cost as constant.............................................................................................................................551
Configuring an EdgePort............................................................................................................................................... 551
Flush MAC Addresses after a Topology Change.................................................................................................... 552
MSTP Sample Configurations......................................................................................................................................552
Debugging and Verifying MSTP Configurations......................................................................................................556
Chapter 31: Multicast Features..................................................................................................558
Enabling IP Multicast..................................................................................................................................................... 558
Implementation Information......................................................................................................................................... 558
Multicast Policies............................................................................................................................................................559
IPv4 Multicast Policies.............................................................................................................................................559
Understanding Multicast Traceroute (mtrace)....................................................................................................... 566
Printing Multicast Traceroute (mtrace) Paths........................................................................................................566
Supported Error Codes................................................................................................................................................. 568
mtrace Scenarios............................................................................................................................................................ 569
Chapter 32: Multicast Listener Discovery Protocol.................................................................... 575
MLD timers....................................................................................................................................................................... 578
Reducing Host Response Burstiness....................................................................................................................578
Clearing MLD groups......................................................................................................................................................579
Debugging MLD...............................................................................................................................................................579
Explicit Tracking.............................................................................................................................................................. 579
Reducing Leave Latency............................................................................................................................................... 579
Displaying MLD groups table........................................................................................................................................579
Displaying MLD Interfaces............................................................................................................................................580
MLD Snooping................................................................................................................................................................. 580
Enable MLD Snooping..............................................................................................................................................580
Contents
17
Disable MLD Snooping.............................................................................................................................................580
Configure the switch as a querier..........................................................................................................................581
Specify port as connected to multicast router...................................................................................................581
Enable Snooping Explicit Tracking.........................................................................................................................581
Display the MLD Snooping Table........................................................................................................................... 581
Chapter 33: Object Tracking......................................................................................................582
Object Tracking Overview............................................................................................................................................ 582
Track Layer 2 Interfaces......................................................................................................................................... 583
Track Layer 3 Interfaces......................................................................................................................................... 583
Track IPv4 and IPv6 Routes...................................................................................................................................583
Set Tracking Delays..................................................................................................................................................584
VRRP Object Tracking.............................................................................................................................................585
Object Tracking Configuration.................................................................................................................................... 585
Tracking a Layer 2 Interface.................................................................................................................................. 585
Tracking a Layer 3 Interface.................................................................................................................................. 586
Track an IPv4/IPv6 Route...................................................................................................................................... 587
Displaying Tracked Objects.......................................................................................................................................... 590
Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 592
Protocol Overview..........................................................................................................................................................592
Autonomous System (AS) Areas...........................................................................................................................592
Area Types..................................................................................................................................................................593
Networks and Neighbors.........................................................................................................................................594
Router Types..............................................................................................................................................................594
Designated and Backup Designated Routers..................................................................................................... 595
Link-State Advertisements (LSAs).......................................................................................................................595
Router Priority and Cost......................................................................................................................................... 596
OSPF with Dell EMC Networking OS........................................................................................................................ 597
Graceful Restart........................................................................................................................................................ 597
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 598
Multi-Process OSPFv2 with VRF..........................................................................................................................599
RFC-2328 Compliant OSPF Flooding.................................................................................................................. 599
OSPF ACK Packing.................................................................................................................................................. 600
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 600
Configuration Information............................................................................................................................................. 601
Configuration Task List for OSPFv2 (OSPF for IPv4)..................................................................................... 601
OSPFv3 NSSA..................................................................................................................................................................613
Configuration Task List for OSPFv3 (OSPF for IPv6)........................................................................................... 613
Enabling IPv6 Unicast Routing............................................................................................................................... 614
Applying cost for OSPFv3....................................................................................................................................... 614
Assigning IPv6 Addresses on an Interface.......................................................................................................... 615
Assigning Area ID on an Interface..........................................................................................................................615
Assigning OSPFv3 Process ID and Router ID Globally..................................................................................... 615
Assigning OSPFv3 Process ID and Router ID to a VRF....................................................................................616
Configuring Stub Areas............................................................................................................................................ 616
Configuring Passive-Interface................................................................................................................................ 616
Redistributing Routes................................................................................................................................................617
Configuring a Default Route....................................................................................................................................617
18
Contents
Enabling OSPFv3 Graceful Restart....................................................................................................................... 617
OSPFv3 Authentication Using IPsec.....................................................................................................................619
Troubleshooting OSPFv3........................................................................................................................................ 625
MIB Support for OSPFv3..............................................................................................................................................626
Viewing the OSPFv3 MIB....................................................................................................................................... 626
Chapter 35: Policy-based Routing (PBR)...................................................................................627
Overview........................................................................................................................................................................... 627
Implementing PBR.......................................................................................................................................................... 628
Configuration Task List for Policy-based Routing.................................................................................................. 628
Create a Redirect List..............................................................................................................................................629
Create a Rule for a Redirect-list........................................................................................................................... 629
Apply a Redirect-list to an Interface using a Redirect-group......................................................................... 631
Sample Configuration.....................................................................................................................................................633
Chapter 36: PIM Sparse-Mode (PIM-SM).................................................................................. 637
Implementation Information..........................................................................................................................................637
Protocol Overview.......................................................................................................................................................... 637
Requesting Multicast Traffic..................................................................................................................................637
Refuse Multicast Traffic..........................................................................................................................................638
Send Multicast Traffic............................................................................................................................................. 638
Configuring PIM-SM...................................................................................................................................................... 638
Related Configuration Tasks.................................................................................................................................. 639
Enable PIM-SM............................................................................................................................................................... 639
Configuring S,G Expiry Timers..................................................................................................................................... 641
Configuring a Static Rendezvous Point..................................................................................................................... 641
Overriding Bootstrap Router Updates................................................................................................................. 642
Configuring a Designated Router................................................................................................................................642
Creating Multicast Boundaries and Domains............................................................................................................644
Electing an RP using the BSR Mechanism............................................................................................................... 644
Chapter 37: PIM Source-Specific Mode (PIM-SSM).................................................................. 646
Implementation Information......................................................................................................................................... 646
Configure PIM-SSM.......................................................................................................................................................646
Enabling PIM-SSM..........................................................................................................................................................647
Use PIM-SSM with IGMP Version 2 Hosts...............................................................................................................647
Electing an RP using the BSR Mechanism............................................................................................................... 648
Enabling RP to Server Specific Multicast Groups............................................................................................ 650
Chapter 38: Port Monitoring...................................................................................................... 651
Important Points to Remember....................................................................................................................................651
Port Monitoring............................................................................................................................................................... 652
Configuring Port Monitoring........................................................................................................................................ 653
Configuring Monitor Multicast Queue....................................................................................................................... 654
Enabling Flow-Based Monitoring................................................................................................................................ 655
Remote Port Mirroring.................................................................................................................................................. 656
Remote Port Mirroring Example............................................................................................................................656
Configuring Remote Port Mirroring......................................................................................................................657
Displaying Remote-Port Mirroring Configurations............................................................................................658
Contents
19
Configuration procedure for Remote Port Mirroring....................................................................................... 659
Encapsulated Remote Port Monitoring..................................................................................................................... 663
ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 665
Port Monitoring on VLT................................................................................................................................................ 666
Chapter 39: Per-VLAN Spanning Tree Plus (PVST+)..................................................................669
Protocol Overview..........................................................................................................................................................669
Implementation Information..........................................................................................................................................670
Configure Per-VLAN Spanning Tree Plus.................................................................................................................. 671
Enabling PVST+................................................................................................................................................................671
Disabling PVST+...............................................................................................................................................................671
Influencing PVST+ Root Selection..............................................................................................................................672
Modifying Global PVST+ Parameters.........................................................................................................................673
Modifying Interface PVST+ Parameters................................................................................................................... 673
Configuring an EdgePort...............................................................................................................................................674
PVST+ in Multi-Vendor Networks.............................................................................................................................. 675
Enabling PVST+ Extend System ID............................................................................................................................ 675
PVST+ Sample Configurations.................................................................................................................................... 676
Chapter 40: Quality of Service (QoS)........................................................................................ 678
Implementation Information......................................................................................................................................... 680
Port-Based QoS Configurations..................................................................................................................................680
Setting dot1p Priorities for Incoming Traffic......................................................................................................680
Honoring dot1p Priorities on Ingress Traffic........................................................................................................681
Configuring Port-Based Rate Policing..................................................................................................................681
Configuring Port-Based Rate Shaping................................................................................................................. 681
Policy-Based QoS Configurations...............................................................................................................................682
Classify Traffic...........................................................................................................................................................683
Dot1p to Queue Mapping Requirement............................................................................................................... 685
Create a QoS Policy................................................................................................................................................. 686
DSCP Color Maps..................................................................................................................................................... 688
Create Policy Maps.................................................................................................................................................. 690
Enabling QoS Rate Adjustment................................................................................................................................... 693
Enabling Strict-Priority Queueing............................................................................................................................... 694
Queue Classification Requirements for PFC Functionality...................................................................................694
Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 694
Weighted Random Early Detection............................................................................................................................ 695
Creating WRED Profiles.......................................................................................................................................... 696
Applying a WRED Profile to Traffic...................................................................................................................... 696
Displaying Default and Configured WRED Profiles........................................................................................... 696
Displaying WRED Drop Statistics..........................................................................................................................696
Displaying egress–queue Statistics...................................................................................................................... 697
Pre-Calculating Available QoS CAM Space.............................................................................................................. 697
Specifying Policy-Based Rate Shaping in Packets Per Second...........................................................................698
Configuring Policy-Based Rate Shaping....................................................................................................................699
Configuring Weights and ECN for WRED ................................................................................................................699
Configuring WRED and ECN Attributes.................................................................................................................... 700
Guidelines for Configuring ECN for Classifying and Color-Marking Packets....................................................701
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........................702
20
Contents
/