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 EMC Configuration Guide for the S3100
Series
9.14.2.5
January 2020
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 - 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide......................................................................................................... 31
Audience...............................................................................................................................................................................31
Conventions.........................................................................................................................................................................31
Related Documents........................................................................................................................................................... 31
Chapter 2: Configuration Fundamentals...................................................................................... 32
Accessing the Command Line........................................................................................................................................ 32
CLI Modes........................................................................................................................................................................... 32
Navigating CLI Modes................................................................................................................................................ 34
The do Command.............................................................................................................................................................. 36
Undoing Commands..........................................................................................................................................................37
Obtaining Help....................................................................................................................................................................37
Entering and Editing Commands................................................................................................................................... 38
Command History..............................................................................................................................................................39
Filtering show Command Outputs.................................................................................................................................39
Multiple Users in Configuration Mode..........................................................................................................................40
Chapter 3: Getting Started.......................................................................................................... 41
Console Access..................................................................................................................................................................42
Serial Console............................................................................................................................................................... 42
Accessing the CLI Interface and Running Scripts Using SSH................................................................................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............................................................................................................................. 48
Configure the Overload Bit for a Startup Scenario.............................................................................................49
Viewing Files................................................................................................................................................................. 49
Compressing Configuration Files.............................................................................................................................50
Managing the File System...............................................................................................................................................52
Enabling Software Features on Devices Using a Command Option..................................................................... 52
View Command History................................................................................................................................................... 53
Upgrading Dell EMC Networking OS............................................................................................................................54
Verify Software Images Before Installation................................................................................................................ 54
Using HTTP for File Transfers....................................................................................................................................... 55
Chapter 4: Management.............................................................................................................. 57
Configuring Privilege Levels........................................................................................................................................... 57
Contents
Contents 3
Removing a Command from EXEC Mode..............................................................................................................58
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 58
Allowing Access to CONFIGURATION Mode Commands................................................................................. 58
Allowing Access to Different Modes...................................................................................................................... 58
Applying a Privilege Level to a Username............................................................................................................. 60
Applying a Privilege Level to a Terminal Line....................................................................................................... 60
Configuring Logging......................................................................................................................................................... 60
Audit and Security Logs.............................................................................................................................................60
Configuring Logging Format .............................................................................................................................62
Display the Logging Buffer and the Logging Configuration..............................................................................62
Setting Up a Secure Connection to a Syslog Server................................................................................ 63
Sending System Messages to a Syslog Server.................................................................................................... 64
Track Login Activity..........................................................................................................................................................64
Restrictions for Tracking Login Activity................................................................................................................ 64
Configuring Login Activity Tracking........................................................................................................................64
Display Login Statistics.............................................................................................................................................. 65
Limit Concurrent Login Sessions...................................................................................................................................66
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 66
Configuring Concurrent Session Limit................................................................................................................... 66
Enabling the System to Clear Existing Sessions.................................................................................................. 67
Enabling Secured CLI Mode............................................................................................................................................68
Log Messages in the Internal Buffer............................................................................................................................ 68
Disabling System Logging............................................................................................................................................... 68
Sending System Messages to a Syslog Server.......................................................................................................... 68
Configuring a UNIX System as a Syslog Server...................................................................................................69
Changing System Logging Settings..............................................................................................................................69
Display the Logging Buffer and the Logging Configuration....................................................................................70
Configuring a UNIX Logging Facility Level..................................................................................................................70
Synchronizing Log Messages.......................................................................................................................................... 71
Enabling Timestamp on Syslog Messages....................................................................................................................71
File Transfer Services.......................................................................................................................................................74
Enabling the FTP Server............................................................................................................................................75
Configuring FTP Server Parameters.......................................................................................................................75
Configuring FTP Client Parameters........................................................................................................................ 75
Terminal Lines.................................................................................................................................................................... 76
Denying and Permitting Access to a Terminal Line............................................................................................. 76
Configuring Login Authentication for Terminal Lines..........................................................................................77
Setting Timeout for EXEC Privilege Mode..................................................................................................................78
Using Telnet to get to Another Network Device....................................................................................................... 78
Lock CONFIGURATION Mode....................................................................................................................................... 79
Viewing the Reason for Last System Reboot.............................................................................................................79
Chapter 5: 802.1X........................................................................................................................ 81
Port-Authentication Process..........................................................................................................................................82
EAP over RADIUS........................................................................................................................................................83
Configuring 802.1X............................................................................................................................................................84
Important Points to Remember..................................................................................................................................... 84
Enabling 802.1X................................................................................................................................................................. 85
Configuring dot1x Profile ................................................................................................................................................86
Configuring MAC addresses for a do1x Profile.......................................................................................................... 86
4
Contents
Configuring the Static MAB and MAB Profile ...........................................................................................................87
Configuring Critical VLAN .............................................................................................................................................. 88
Configuring Request Identity Re-Transmissions........................................................................................................88
Configuring a Quiet Period after a Failed Authentication..................................................................................89
Forcibly Authorizing or Unauthorizing a Port.............................................................................................................90
Re-Authenticating a Port................................................................................................................................................ 90
Configuring Timeouts........................................................................................................................................................91
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 92
Guest and Authentication-Fail VLANs......................................................................................................................... 93
Configuring a Guest VLAN........................................................................................................................................ 94
Configuring an Authentication-Fail VLAN............................................................................................................. 94
Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 96
Optimizing CAM Utilization During the Attachment of ACLs to VLANs............................................................. 96
Guidelines for Configuring ACL VLAN Groups........................................................................................................... 97
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 97
Configuring ACL VLAN Groups................................................................................................................................ 97
Configuring FP Blocks for VLAN Parameters.......................................................................................................98
Viewing CAM Usage......................................................................................................................................................... 99
Allocating FP Blocks for VLAN Processes.................................................................................................................100
Chapter 7: Access Control Lists (ACLs)......................................................................................101
IP Access Control Lists (ACLs)....................................................................................................................................102
CAM Usage................................................................................................................................................................. 102
Implementing ACLs on Dell EMC Networking OS..............................................................................................103
Important Points to Remember....................................................................................................................................104
Configuration Task List for Route Maps..............................................................................................................105
Configuring Match Routes.......................................................................................................................................107
Configuring Set Conditions..................................................................................................................................... 108
Configure a Route Map for Route Redistribution.............................................................................................. 108
Configure a Route Map for Route Tagging......................................................................................................... 109
Continue Clause......................................................................................................................................................... 109
IP Fragment Handling......................................................................................................................................................110
IP Fragments ACL Examples....................................................................................................................................110
Layer 4 ACL Rules Examples................................................................................................................................... 110
Configure a Standard IP ACL......................................................................................................................................... 111
Configuring a Standard IP ACL Filter.....................................................................................................................112
Configure an Extended IP ACL..................................................................................................................................... 113
Configuring Filters with a Sequence Number...................................................................................................... 113
Configuring Filters Without a Sequence Number............................................................................................... 114
Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 114
Assign an IP ACL to an Interface..................................................................................................................................115
Applying an IP ACL...........................................................................................................................................................115
Counting ACL Hits......................................................................................................................................................116
Configure Ingress ACLs.................................................................................................................................................. 116
Configure Egress ACLs................................................................................................................................................... 117
Applying Egress Layer 3 ACLs (Control-Plane)...................................................................................................117
IP Prefix Lists.................................................................................................................................................................... 118
Configuration Task List for Prefix Lists................................................................................................................ 118
Contents
5
ACL Remarks..................................................................................................................................................................... 121
Configuring a Remark............................................................................................................................................... 122
Deleting a Remark......................................................................................................................................................122
ACL Resequencing.......................................................................................................................................................... 123
Resequencing an ACL or Prefix List......................................................................................................................123
Route Maps.......................................................................................................................................................................124
Logging of ACL Processes............................................................................................................................................ 125
Guidelines for Configuring ACL Logging.............................................................................................................. 125
Configuring ACL Logging......................................................................................................................................... 126
Flow-Based Monitoring.................................................................................................................................................. 126
Enabling Flow-Based Monitoring........................................................................................................................... 128
Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 130
How BFD Works...............................................................................................................................................................130
BFD Packet Format....................................................................................................................................................131
BFD Sessions.............................................................................................................................................................. 132
BFD Three-Way Handshake.................................................................................................................................... 133
Session State Changes.............................................................................................................................................134
Important Points to Remember....................................................................................................................................134
Configure BFD.................................................................................................................................................................. 134
Configure BFD for Physical Ports..........................................................................................................................135
Configure BFD for Static Routes........................................................................................................................... 136
Configure BFD for IPv6 Static Routes................................................................................................................. 139
Configure BFD for OSPF.......................................................................................................................................... 141
Configure BFD for OSPFv3.....................................................................................................................................145
Configure BFD for IS-IS............................................................................................................................................147
Configure BFD for BGP............................................................................................................................................149
Configure BFD for VRRP......................................................................................................................................... 156
Configuring Protocol Liveness................................................................................................................................158
Chapter 9: Border Gateway Protocol (BGP)............................................................................... 159
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 159
BGP Autonomous Systems..................................................................................................................................... 159
AS4 Number Representation................................................................................................................................... 161
Four-Byte AS Numbers............................................................................................................................................ 163
BGP router ID............................................................................................................................................................. 163
Sessions and Peers....................................................................................................................................................163
Establish a Session.................................................................................................................................................... 163
BGP Attributes for selecting Best Path............................................................................................................... 164
Multiprotocol BGP..................................................................................................................................................... 169
BGP global and address family configuration......................................................................................................170
Implement BGP with Dell EMC Networking OS.................................................................................................. 171
Configuration Information........................................................................................................................................ 174
Basic BGP configuration tasks..................................................................................................................................... 175
Prerequisite for configuring a BGP network....................................................................................................... 175
Restrictions................................................................................................................................................................. 175
Enabling BGP.............................................................................................................................................................. 175
Enabling four-byte autonomous system numbers..............................................................................................177
Changing a BGP router ID........................................................................................................................................178
6
Contents
Configuring AS4 Number Representations..........................................................................................................178
Configuring a BGP peer............................................................................................................................................179
Example-Configuring BGP routing between peers............................................................................................180
BGP peer group.......................................................................................................................................................... 181
Advanced BGP configuration tasks.............................................................................................................................188
Route-refresh and Soft-reconfiguration.............................................................................................................. 188
Aggregating Routes.................................................................................................................................................. 190
Filtering BGP...............................................................................................................................................................192
Configuring BGP Fast Fall-Over.............................................................................................................................197
Configuring Passive Peering................................................................................................................................... 199
Enabling Graceful Restart........................................................................................................................................199
Redistributing Routes.............................................................................................................................................. 200
Redistributing iBGP Routes into IGP.................................................................................................................... 201
Enabling Additional Paths........................................................................................................................................203
Configuring IP Community Lists............................................................................................................................204
Configuring an IP Extended Community List..................................................................................................... 205
Configure BGP attributes....................................................................................................................................... 206
Enabling Multipath.................................................................................................................................................... 209
Route Reflectors........................................................................................................................................................210
Enabling Route Flap Dampening..............................................................................................................................211
Changing BGP keepalive and hold timers............................................................................................................ 213
Setting the extended timer..................................................................................................................................... 214
Enabling or disabling BGP neighbors.....................................................................................................................214
Route Map Continue................................................................................................................................................. 215
Configuring BGP Confederations...........................................................................................................................216
Configuring a BGP VRF address family................................................................................................................ 216
Maintaining Existing AS Numbers During an AS Migration..............................................................................218
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 218
Enabling MBGP Configurations.............................................................................................................................. 219
MBGP support for IPv6...........................................................................................................................................220
Configuring IPv6 MBGP between peers............................................................................................................. 220
Example-Configuring IPv4 and IPv6 neighbors................................................................................................. 220
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor...................................223
BGP Regular Expression Optimization................................................................................................................. 224
Debugging BGP......................................................................................................................................................... 224
Chapter 10: Content Addressable Memory (CAM)......................................................................227
CAM Allocation................................................................................................................................................................ 227
Test CAM Usage............................................................................................................................................................. 229
View CAM-ACL Settings...............................................................................................................................................229
View CAM Usage............................................................................................................................................................. 231
Configuring CAM Threshold and Silence Period...................................................................................................... 231
CAM Optimization...........................................................................................................................................................232
Troubleshoot CAM Profiling......................................................................................................................................... 233
QoS CAM Region Limitation...................................................................................................................................233
Chapter 11: Control Plane Policing (CoPP)................................................................................ 234
Configure Control Plane Policing................................................................................................................................ 235
Configuring CoPP for Protocols............................................................................................................................236
Contents
7
Configuring CoPP for CPU Queues...................................................................................................................... 237
CoPP for OSPFv3 Packets.....................................................................................................................................238
Configuring CoPP for OSPFv3............................................................................................................................... 241
Displaying CoPP Configuration .............................................................................................................................242
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 244
DHCP Packet Format and Options.............................................................................................................................244
Assign an IP Address using DHCP.............................................................................................................................. 246
Implementation Information......................................................................................................................................... 246
Configure the System to be a DHCP Server............................................................................................................247
Configuring the Server for Automatic Address Allocation.............................................................................. 247
Specifying a Default Gateway................................................................................................................................248
Configure a Method of Hostname Resolution....................................................................................................249
Using DNS for Address Resolution....................................................................................................................... 249
Using NetBIOS WINS for Address Resolution....................................................................................................249
Creating Manual Binding Entries........................................................................................................................... 249
Debugging the DHCP Server................................................................................................................................. 250
Using DHCP Clear Commands...............................................................................................................................250
Configure the System to be a Relay Agent..............................................................................................................250
Configure the System to be a DHCP Client............................................................................................................. 252
Configuring the DHCP Client System.................................................................................................................. 252
DHCP Client on a Management Interface...........................................................................................................253
DHCP Client Operation with Other Features.....................................................................................................254
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 255
Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................255
Non-default VRF configuration for DHCPv6 helper address...............................................................................256
Configuring DHCP relay source interface.................................................................................................................256
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................256
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................257
Configure the System for User Port Stacking (Option 230)............................................................................... 258
Configure Secure DHCP............................................................................................................................................... 258
Option 82 (DHCPv4 relay options).......................................................................................................................258
DHCPv6 relay agent options..................................................................................................................................259
DHCP Snooping.........................................................................................................................................................259
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 264
Dynamic ARP Inspection......................................................................................................................................... 264
Configuring Dynamic ARP Inspection...................................................................................................................264
Source Address Validation............................................................................................................................................266
Enabling IP Source Address Validation................................................................................................................ 266
DHCP MAC Source Address Validation...............................................................................................................266
Enabling IP+MAC Source Address Validation.....................................................................................................267
Viewing the Number of SAV Dropped Packets..................................................................................................267
Clearing the Number of SAV Dropped Packets.................................................................................................268
Chapter 13: Equal Cost Multi-Path (ECMP)............................................................................... 269
ECMP for Flow-Based Affinity.................................................................................................................................... 269
Configuring the Hash Algorithm............................................................................................................................ 269
Enabling Deterministic ECMP Next Hop............................................................................................................. 269
Configuring the Hash Algorithm Seed..................................................................................................................270
8
Contents
Link Bundle Monitoring..................................................................................................................................................270
Managing ECMP Group Paths................................................................................................................................ 271
Creating an ECMP Group Bundle...........................................................................................................................271
Modifying the ECMP Group Threshold.................................................................................................................271
Chapter 14: FIPS Cryptography................................................................................................. 273
Configuration Tasks........................................................................................................................................................273
Preparing the System.....................................................................................................................................................273
Enabling FIPS Mode........................................................................................................................................................273
Generating Host-Keys....................................................................................................................................................274
Monitoring FIPS Mode Status......................................................................................................................................274
Disabling FIPS Mode.......................................................................................................................................................275
Chapter 15: Force10 Resilient Ring Protocol (FRRP)..................................................................276
Protocol Overview.......................................................................................................................................................... 276
Ring Status..................................................................................................................................................................277
Multiple FRRP Rings................................................................................................................................................. 277
Important FRRP Points............................................................................................................................................278
Important FRRP Concepts......................................................................................................................................279
Implementing FRRP........................................................................................................................................................ 279
FRRP Configuration....................................................................................................................................................... 280
Creating the FRRP Group.......................................................................................................................................280
Configuring the Control VLAN...............................................................................................................................280
Configuring and Adding the Member VLANs...................................................................................................... 281
Setting the FRRP Timers........................................................................................................................................ 282
Clearing the FRRP Counters.................................................................................................................................. 282
Viewing the FRRP Configuration...........................................................................................................................282
Viewing the FRRP Information.............................................................................................................................. 282
Troubleshooting FRRP...................................................................................................................................................283
Sample Configuration and Topology.......................................................................................................................... 283
Chapter 16: GARP VLAN Registration Protocol (GVRP)............................................................. 285
Configure GVRP..............................................................................................................................................................286
Enabling GVRP Globally.................................................................................................................................................286
Enabling GVRP on a Layer 2 Interface.......................................................................................................................287
Configure GVRP Registration...................................................................................................................................... 287
Configure a GARP Timer...............................................................................................................................................288
RPM Redundancy........................................................................................................................................................... 288
Chapter 17: High Availability (HA)............................................................................................. 289
Component Redundancy...............................................................................................................................................289
Automatic and Manual Stack Unit Failover.........................................................................................................289
Synchronization between Management and Standby Units.......................................................................... 290
Forcing a Stack Unit Failover.................................................................................................................................290
Disabling Auto-Reboot..............................................................................................................................................291
Pre-Configuring a Stack Unit Slot...............................................................................................................................291
Removing a Provisioned Logical Stack Unit..............................................................................................................291
Hitless Behavior............................................................................................................................................................... 291
Graceful Restart..............................................................................................................................................................292
Contents
9
Software Resiliency........................................................................................................................................................292
Software Component Health Monitoring............................................................................................................ 292
System Health Monitoring...................................................................................................................................... 292
Failure and Event Logging.......................................................................................................................................292
Hot-Lock Behavior..........................................................................................................................................................293
Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 294
IGMP Protocol Overview.............................................................................................................................................. 294
IGMP Version 2..........................................................................................................................................................294
IGMP Version 3..........................................................................................................................................................296
Configure IGMP...............................................................................................................................................................298
Viewing IGMP Enabled Interfaces.............................................................................................................................. 299
Selecting an IGMP Version...........................................................................................................................................299
Viewing IGMP Groups....................................................................................................................................................300
Adjusting Timers..............................................................................................................................................................300
Adjusting Query and Response Timers................................................................................................................ 300
Preventing a Host from Joining a Group................................................................................................................... 301
Enabling IGMP Immediate-Leave................................................................................................................................ 303
IGMP Snooping................................................................................................................................................................304
Configuring IGMP Snooping................................................................................................................................... 304
Removing a Group-Port Association.................................................................................................................... 304
Disabling Multicast Flooding...................................................................................................................................305
Specifying a Port as Connected to a Multicast Router...................................................................................305
Configuring the Switch as Querier....................................................................................................................... 305
Fast Convergence after MSTP Topology Changes................................................................................................306
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................306
Designating a Multicast Router Interface.................................................................................................................. 313
Chapter 19: Interfaces............................................................................................................... 314
Interface Types................................................................................................................................................................ 315
Optional Modules............................................................................................................................................................. 315
View Basic Interface Information.................................................................................................................................315
Resetting an Interface to its Factory Default State................................................................................................317
Enabling Energy Efficient Ethernet............................................................................................................................. 317
View EEE Information..................................................................................................................................................... 317
Clear EEE Counters........................................................................................................................................................ 322
Enabling a Physical Interface....................................................................................................................................... 322
Physical Interfaces..........................................................................................................................................................322
Configuration Task List for Physical Interfaces.................................................................................................323
Overview of Layer Modes.......................................................................................................................................323
Configuring Layer 2 (Data Link) Mode................................................................................................................ 323
Configuring Layer 2 (Interface) Mode................................................................................................................. 324
Configuring Layer 3 (Network) Mode..................................................................................................................324
Configuring Layer 3 (Interface) Mode................................................................................................................. 324
Automatic recovery of an Err-disabled interface....................................................................................................325
Configuring an automatic recovery for an Err-disabled interface.................................................................326
Egress Interface Selection (EIS).................................................................................................................................326
Configuring EIS..........................................................................................................................................................326
Management Interfaces.................................................................................................................................................327
10
Contents
Configuring Management Interfaces....................................................................................................................327
Configuring a Management Interface on an Ethernet Port............................................................................328
VLAN Interfaces..............................................................................................................................................................329
Loopback Interfaces.......................................................................................................................................................329
Null Interfaces..................................................................................................................................................................330
Configuring Port Delay.................................................................................................................................................. 330
Port Channel Interfaces................................................................................................................................................ 330
Port Channel Definition and Standards............................................................................................................... 330
Port Channel Benefits...............................................................................................................................................331
Port Channel Implementation................................................................................................................................. 331
Interfaces in Port Channels..................................................................................................................................... 331
Configuration Tasks for Port Channel Interfaces..............................................................................................332
Creating a Port Channel.......................................................................................................................................... 332
Adding a Physical Interface to a Port Channel.................................................................................................. 332
Reassigning an Interface to a New Port Channel............................................................................................. 334
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................334
Adding or Removing a Port Channel from a VLAN........................................................................................... 335
Assigning an IP Address to a Port Channel........................................................................................................ 336
Deleting or Disabling a Port Channel....................................................................................................................336
Load Balancing Through Port Channels.............................................................................................................. 336
Load-Balancing Method.......................................................................................................................................... 336
Changing the Hash Algorithm................................................................................................................................ 337
Bulk Configuration.......................................................................................................................................................... 338
Interface Range......................................................................................................................................................... 338
Bulk Configuration Examples..................................................................................................................................338
Defining Interface Range Macros............................................................................................................................... 340
Define the Interface Range.................................................................................................................................... 340
Choosing an Interface-Range Macro................................................................................................................... 340
Monitoring and Maintaining Interfaces......................................................................................................................340
Maintenance Using TDR...........................................................................................................................................341
Link Dampening............................................................................................................................................................... 342
Enabling Link Dampening.........................................................................................................................................344
Link Bundle Monitoring..................................................................................................................................................345
Using Ethernet Pause Frames for Flow Control......................................................................................................345
Enabling Pause Frames............................................................................................................................................346
Configure the MTU Size on an Interface.................................................................................................................. 346
Port-Pipes.........................................................................................................................................................................347
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 347
Setting the Speed of Ethernet Interfaces.......................................................................................................... 348
Set Auto-Negotiation Options............................................................................................................................... 349
Provisioning Combo Ports............................................................................................................................................ 350
View Advanced Interface Information........................................................................................................................ 351
Configuring the Interface Sampling Size............................................................................................................. 351
Configuring the Traffic Sampling Size Globally....................................................................................................... 352
Dynamic Counters...........................................................................................................................................................353
Clearing Interface Counters................................................................................................................................... 354
Chapter 20: Internet Protocol Security (IPSec).........................................................................355
Configuring IPSec ..........................................................................................................................................................355
Contents
11
Chapter 21: IPv4 Routing........................................................................................................... 357
IP Addresses.................................................................................................................................................................... 358
Configuration Tasks for IP Addresses....................................................................................................................... 358
Assigning IP Addresses to an Interface.....................................................................................................................358
Configuring Static Routes............................................................................................................................................ 359
Adding description for IPv4 and IPv6 static routes..........................................................................................360
Configure Static Routes for the Management Interface.......................................................................................361
IPv4 Path MTU Discovery Overview.......................................................................................................................... 361
Using the Configured Source IP Address in ICMP Messages..............................................................................362
Configuring the Duration to Establish a TCP Connection.....................................................................................362
Enabling Directed Broadcast........................................................................................................................................362
Resolution of Host Names............................................................................................................................................ 363
Enabling Dynamic Resolution of Host Names.......................................................................................................... 363
Specifying the Local System Domain and a List of Domains............................................................................... 364
Configuring DNS with Traceroute.............................................................................................................................. 364
ARP.................................................................................................................................................................................... 365
Configuration Tasks for ARP....................................................................................................................................... 365
Configuring Static ARP Entries................................................................................................................................... 365
Enabling Proxy ARP........................................................................................................................................................366
Clearing ARP Cache....................................................................................................................................................... 366
ARP Learning via Gratuitous ARP...............................................................................................................................366
Enabling ARP Learning via Gratuitous ARP..............................................................................................................366
ARP Learning via ARP Request................................................................................................................................... 367
Configuring ARP Retries............................................................................................................................................... 367
ICMP.................................................................................................................................................................................. 368
Configuration Tasks for ICMP..................................................................................................................................... 368
Enabling ICMP Unreachable Messages..................................................................................................................... 368
ICMP Redirects............................................................................................................................................................... 368
UDP Helper.......................................................................................................................................................................369
Enabling UDP Helper...................................................................................................................................................... 370
Configuring a Broadcast Address................................................................................................................................370
Configurations Using UDP Helper................................................................................................................................371
UDP Helper with Broadcast-All Addresses................................................................................................................371
UDP Helper with Subnet Broadcast Addresses........................................................................................................371
UDP Helper with Configured Broadcast Addresses............................................................................................... 372
UDP Helper with No Configured Broadcast Addresses.........................................................................................372
Troubleshooting UDP Helper........................................................................................................................................373
Chapter 22: IPv6 Routing.......................................................................................................... 374
Protocol Overview.......................................................................................................................................................... 374
Extended Address Space.........................................................................................................................................374
Stateless Autoconfiguration................................................................................................................................... 374
IPv6 Headers.............................................................................................................................................................. 375
IPv6 Header Fields.................................................................................................................................................... 375
Extension Header Fields...........................................................................................................................................377
Addressing...................................................................................................................................................................378
Implementing IPv6 with Dell EMC Networking OS.................................................................................................379
ICMPv6..............................................................................................................................................................................380
12
Contents
Path MTU discovery....................................................................................................................................................... 381
IPv6 Neighbor Discovery............................................................................................................................................... 381
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 382
Configuration Task List for IPv6 RDNSS.................................................................................................................. 382
Configuring the IPv6 Recursive DNS Server......................................................................................................382
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 383
Displaying IPv6 RDNSS Information..................................................................................................................... 383
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................384
Configuration Tasks for IPv6....................................................................................................................................... 384
Adjusting Your CAM-Profile....................................................................................................................................384
Assigning an IPv6 Address to an Interface.........................................................................................................385
Assigning a Static IPv6 Route................................................................................................................................385
Configuring Telnet with IPv6................................................................................................................................. 386
SNMP over IPv6........................................................................................................................................................386
Displaying IPv6 Information.................................................................................................................................... 387
Displaying an IPv6 Interface Information.............................................................................................................387
Showing IPv6 Routes...............................................................................................................................................388
Showing the Running-Configuration for an Interface......................................................................................389
Clearing IPv6 Routes................................................................................................................................................389
Disabling ND Entry Timeout................................................................................................................................... 389
Configuring IPv6 RA Guard.......................................................................................................................................... 390
Configuring IPv6 RA Guard on an Interface........................................................................................................391
Monitoring IPv6 RA Guard.......................................................................................................................................391
Chapter 23: iSCSI Optimization.................................................................................................393
iSCSI Optimization Overview....................................................................................................................................... 393
Monitoring iSCSI Traffic Flows..............................................................................................................................394
Application of Quality of Service to iSCSI Traffic Flows.................................................................................394
Information Monitored in iSCSI Traffic Flows....................................................................................................395
Detection and Auto-Configuration for Dell EqualLogic Arrays...................................................................... 395
Configuring Detection and Ports for Dell Compellent Arrays.........................................................................396
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 396
Enable and Disable iSCSI Optimization................................................................................................................ 396
Default iSCSI Optimization Values..............................................................................................................................397
iSCSI Optimization Prerequisites.................................................................................................................................397
Configuring iSCSI Optimization................................................................................................................................... 398
Displaying iSCSI Optimization Information............................................................................................................... 399
Chapter 24: Intermediate System to Intermediate System......................................................... 401
IS-IS Protocol Overview................................................................................................................................................ 401
IS-IS Addressing...............................................................................................................................................................401
Multi-Topology IS-IS...................................................................................................................................................... 402
Transition Mode.........................................................................................................................................................402
Interface Support......................................................................................................................................................402
Adjacencies.................................................................................................................................................................402
Graceful Restart..............................................................................................................................................................403
Timers.......................................................................................................................................................................... 403
Implementation Information......................................................................................................................................... 403
Configuration Information.............................................................................................................................................404
Contents
13
Configuration Tasks for IS-IS.................................................................................................................................404
Configuring the Distance of a Route..................................................................................................................... 411
Changing the IS-Type................................................................................................................................................411
Redistributing IPv4 Routes......................................................................................................................................413
Redistributing IPv6 Routes......................................................................................................................................414
Configuring Authentication Passwords................................................................................................................ 415
Setting the Overload Bit.......................................................................................................................................... 415
Debugging IS-IS..........................................................................................................................................................416
IS-IS Metric Styles.......................................................................................................................................................... 416
Configure Metric Values.................................................................................................................................................417
Maximum Values in the Routing Table..................................................................................................................417
Change the IS-IS Metric Style in One Level Only.............................................................................................. 417
Leaks from One Level to Another..........................................................................................................................418
Sample Configurations................................................................................................................................................... 419
Chapter 25: Link Aggregation Control Protocol (LACP)............................................................. 422
Introduction to Dynamic LAGs and LACP................................................................................................................. 422
Important Points to Remember............................................................................................................................. 422
LACP Modes...............................................................................................................................................................423
Configuring LACP Commands................................................................................................................................423
LACP Configuration Tasks............................................................................................................................................423
Creating a LAG.......................................................................................................................................................... 424
Configuring the LAG Interfaces as Dynamic...................................................................................................... 424
Setting the LACP Long Timeout........................................................................................................................... 424
Monitoring and Debugging LACP.......................................................................................................................... 425
Shared LAG State Tracking..........................................................................................................................................425
Configuring Shared LAG State Tracking............................................................................................................. 426
Important Points about Shared LAG State Tracking........................................................................................427
LACP Basic Configuration Example............................................................................................................................428
Configure a LAG on ALPHA....................................................................................................................................428
Chapter 26: Layer 2................................................................................................................... 436
Manage the MAC Address Table................................................................................................................................ 436
Clearing the MAC Address Table.......................................................................................................................... 436
Setting the Aging Time for Dynamic Entries...................................................................................................... 436
Configuring a Static MAC Address....................................................................................................................... 437
Displaying the MAC Address Table....................................................................................................................... 437
MAC Learning Limit........................................................................................................................................................ 437
Setting the MAC Learning Limit............................................................................................................................ 438
mac learning-limit Dynamic..................................................................................................................................... 438
mac learning-limit mac-address-sticky................................................................................................................ 438
mac learning-limit station-move............................................................................................................................ 438
mac learning-limit no-station-move......................................................................................................................439
Learning Limit Violation Actions............................................................................................................................ 439
Setting Station Move Violation Actions...............................................................................................................439
Recovering from Learning Limit and Station Move Violations.......................................................................440
Disabling MAC Address Learning on the System.............................................................................................. 440
Enabling port security.............................................................................................................................................. 440
NIC Teaming..................................................................................................................................................................... 441
14
Contents
Configure Redundant Pairs...........................................................................................................................................442
Far-End Failure Detection.............................................................................................................................................445
FEFD State Changes................................................................................................................................................445
Configuring FEFD......................................................................................................................................................446
Enabling FEFD on an Interface...............................................................................................................................447
Debugging FEFD........................................................................................................................................................448
Chapter 27: Link Layer Discovery Protocol (LLDP).................................................................... 449
802.1AB (LLDP) Overview............................................................................................................................................449
Protocol Data Units.................................................................................................................................................. 449
Optional TLVs................................................................................................................................................................... 451
Management TLVs.................................................................................................................................................... 451
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 452
TIA Organizationally Specific TLVs.......................................................................................................................453
Configure LLDP...............................................................................................................................................................456
CONFIGURATION versus INTERFACE Configurations......................................................................................... 457
Enabling LLDP..................................................................................................................................................................457
Disabling and Undoing LLDP...................................................................................................................................457
Enabling LLDP on Management Ports.......................................................................................................................458
Disabling and Undoing LLDP on Management Ports........................................................................................458
Advertising TLVs.............................................................................................................................................................458
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 459
Viewing the LLDP Configuration.................................................................................................................................460
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................ 461
Examples of Viewing Information Advertised by Neighbors............................................................................461
Configuring LLDPDU Intervals.....................................................................................................................................463
Configuring LLDP Notification Interval......................................................................................................................464
Configuring Transmit and Receive Mode..................................................................................................................464
Configuring the Time to Live Value............................................................................................................................ 465
Debugging LLDP............................................................................................................................................................. 466
Relevant Management Objects................................................................................................................................... 467
Chapter 28: Microsoft Network Load Balancing..........................................................................471
Configuring a Switch for NLB .....................................................................................................................................472
Enabling a Switch for Multicast NLB....................................................................................................................473
Chapter 29: Multicast Source Discovery Protocol (MSDP)........................................................ 474
Anycast RP....................................................................................................................................................................... 475
Implementation Information..........................................................................................................................................476
Configure Multicast Source Discovery Protocol..................................................................................................... 476
Related Configuration Tasks.................................................................................................................................. 476
Enable MSDP................................................................................................................................................................... 480
Manage the Source-Active Cache.............................................................................................................................. 481
Viewing the Source-Active Cache.........................................................................................................................481
Limiting the Source-Active Cache.........................................................................................................................481
Clearing the Source-Active Cache........................................................................................................................ 481
Enabling the Rejected Source-Active Cache..................................................................................................... 482
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 482
Specifying Source-Active Messages..........................................................................................................................485
Contents
15
Limiting the Source-Active Messages from a Peer................................................................................................486
Preventing MSDP from Caching a Local Source.................................................................................................... 486
Preventing MSDP from Caching a Remote Source................................................................................................487
Preventing MSDP from Advertising a Local Source...............................................................................................487
Logging Changes in Peership States......................................................................................................................... 488
Terminating a Peership..................................................................................................................................................488
Clearing Peer Statistics................................................................................................................................................. 488
Debugging MSDP............................................................................................................................................................489
MSDP with Anycast RP.................................................................................................................................................489
Configuring Anycast RP................................................................................................................................................ 490
Reducing Source-Active Message Flooding........................................................................................................491
Specifying the RP Address Used in SA Messages.............................................................................................491
MSDP Sample Configurations......................................................................................................................................493
Chapter 30: Multicast Listener Discovery Protocol....................................................................496
MLD timers.......................................................................................................................................................................499
Reducing Host Response Burstiness....................................................................................................................499
Configuring MLD Version..............................................................................................................................................500
Clearing MLD groups..................................................................................................................................................... 500
Debugging MLD...............................................................................................................................................................500
Explicit Tracking..............................................................................................................................................................500
Reducing Leave Latency...............................................................................................................................................500
Displaying MLD groups table........................................................................................................................................ 501
Displaying MLD Interfaces.............................................................................................................................................501
Chapter 31: Multiple Spanning Tree Protocol (MSTP)............................................................... 502
Spanning Tree Variations..............................................................................................................................................503
Implementation Information................................................................................................................................... 503
Configure Multiple Spanning Tree Protocol............................................................................................................. 503
Related Configuration Tasks.................................................................................................................................. 503
Enable Multiple Spanning Tree Globally.................................................................................................................... 504
Adding and Removing Interfaces................................................................................................................................ 504
Creating Multiple Spanning Tree Instances..............................................................................................................504
Influencing MSTP Root Selection...............................................................................................................................505
Interoperate with Non-Dell Bridges............................................................................................................................506
Changing the Region Name or Revision....................................................................................................................506
Modifying Global Parameters.......................................................................................................................................506
Modifying the Interface Parameters.......................................................................................................................... 507
Setting STP path cost as constant............................................................................................................................ 508
Configuring an EdgePort.............................................................................................................................................. 509
Flush MAC Addresses after a Topology Change.................................................................................................... 509
MSTP Sample Configurations......................................................................................................................................509
Debugging and Verifying MSTP Configurations.......................................................................................................513
Chapter 32: Multicast Features..................................................................................................515
Enabling IP Multicast...................................................................................................................................................... 515
Implementation Information.......................................................................................................................................... 515
Multicast Policies.............................................................................................................................................................516
IPv4 Multicast Policies............................................................................................................................................. 516
16
Contents
Understanding Multicast Traceroute (mtrace)..................................................................................................522
Printing Multicast Traceroute (mtrace) Paths.................................................................................................. 522
Supported Error Codes............................................................................................................................................524
mtrace Scenarios...................................................................................................................................................... 525
Chapter 33: Multicast Listener Discovery Protocol.................................................................... 531
MLD timers.......................................................................................................................................................................534
Reducing Host Response Burstiness....................................................................................................................534
Clearing MLD groups..................................................................................................................................................... 535
Debugging MLD...............................................................................................................................................................535
Explicit Tracking..............................................................................................................................................................535
Reducing Leave Latency...............................................................................................................................................535
Displaying MLD groups table........................................................................................................................................535
Displaying MLD Interfaces............................................................................................................................................536
MLD Snooping................................................................................................................................................................. 536
Enable MLD Snooping..............................................................................................................................................536
Disable MLD Snooping............................................................................................................................................. 536
Configure the switch as a querier......................................................................................................................... 537
Specify port as connected to multicast router.................................................................................................. 537
Enable Snooping Explicit Tracking........................................................................................................................ 537
Display the MLD Snooping Table...........................................................................................................................537
Chapter 34: Object Tracking......................................................................................................538
Object Tracking Overview............................................................................................................................................ 538
Track Layer 2 Interfaces......................................................................................................................................... 539
Track Layer 3 Interfaces......................................................................................................................................... 539
Track IPv4 and IPv6 Routes...................................................................................................................................539
Set Tracking Delays..................................................................................................................................................540
VRRP Object Tracking..............................................................................................................................................541
Object Tracking Configuration..................................................................................................................................... 541
Tracking a Layer 2 Interface................................................................................................................................... 541
Tracking a Layer 3 Interface.................................................................................................................................. 542
Track an IPv4/IPv6 Route...................................................................................................................................... 543
Displaying Tracked Objects.......................................................................................................................................... 546
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 548
Protocol Overview..........................................................................................................................................................548
Autonomous System (AS) Areas...........................................................................................................................548
Area Types..................................................................................................................................................................549
Networks and Neighbors........................................................................................................................................ 550
Router Types..............................................................................................................................................................550
Designated and Backup Designated Routers......................................................................................................551
Link-State Advertisements (LSAs)....................................................................................................................... 551
Router Priority and Cost......................................................................................................................................... 552
OSPF with Dell EMC Networking OS........................................................................................................................ 553
Graceful Restart........................................................................................................................................................553
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 554
Multi-Process OSPFv2 with VRF......................................................................................................................... 555
OSPF ACK Packing.................................................................................................................................................. 555
Contents
17
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 555
Configuration Information.............................................................................................................................................556
Configuration Task List for OSPFv2 (OSPF for IPv4).................................................................................... 556
OSPFv3 NSSA................................................................................................................................................................. 568
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................... 569
Enabling IPv6 Unicast Routing.............................................................................................................................. 569
Applying cost for OSPFv3...................................................................................................................................... 569
Assigning IPv6 Addresses on an Interface..........................................................................................................570
Assigning Area ID on an Interface......................................................................................................................... 570
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................570
Assigning OSPFv3 Process ID and Router ID to a VRF....................................................................................571
Configuring Stub Areas............................................................................................................................................ 571
Configuring Passive-Interface................................................................................................................................ 571
Redistributing Routes...............................................................................................................................................572
Configuring a Default Route................................................................................................................................... 572
Enabling OSPFv3 Graceful Restart.......................................................................................................................572
OSPFv3 Authentication Using IPsec.................................................................................................................... 574
Troubleshooting OSPFv3........................................................................................................................................ 580
MIB Support for OSPFv3.............................................................................................................................................. 581
Viewing the OSPFv3 MIB........................................................................................................................................ 581
Chapter 36: Policy-based Routing (PBR)...................................................................................582
Overview........................................................................................................................................................................... 582
Implementing PBR.......................................................................................................................................................... 583
Configuration Task List for Policy-based Routing.................................................................................................. 583
Create a Redirect List..............................................................................................................................................584
Create a Rule for a Redirect-list........................................................................................................................... 584
Apply a Redirect-list to an Interface using a Redirect-group........................................................................ 586
Sample Configuration.....................................................................................................................................................587
Chapter 37: PIM Sparse-Mode (PIM-SM)...................................................................................591
Implementation Information.......................................................................................................................................... 591
Protocol Overview...........................................................................................................................................................591
Requesting Multicast Traffic.................................................................................................................................. 591
Refuse Multicast Traffic..........................................................................................................................................592
Send Multicast Traffic............................................................................................................................................. 592
Configuring PIM-SM...................................................................................................................................................... 592
Related Configuration Tasks.................................................................................................................................. 593
Enable PIM-SM............................................................................................................................................................... 593
Configuring S,G Expiry Timers.................................................................................................................................... 595
Configuring a Static Rendezvous Point.................................................................................................................... 595
Overriding Bootstrap Router Updates.................................................................................................................596
Configuring a Designated Router................................................................................................................................596
Creating Multicast Boundaries and Domains........................................................................................................... 598
Electing an RP using the BSR Mechanism............................................................................................................... 598
Chapter 38: PIM Source-Specific Mode (PIM-SSM).................................................................. 600
Implementation Information......................................................................................................................................... 600
Configure PIM-SSM.......................................................................................................................................................600
18
Contents
Enabling PIM-SSM.......................................................................................................................................................... 601
Use PIM-SSM with IGMP Version 2 Hosts............................................................................................................... 601
Electing an RP using the BSR Mechanism............................................................................................................... 602
Enabling RP to Server Specific Multicast Groups............................................................................................ 604
Chapter 39: Power over Ethernet (PoE).................................................................................... 605
Configuring PoE or PoE+..............................................................................................................................................605
Enable PoE/PoE+..................................................................................................................................................... 605
Upgrading the PoE Controller................................................................................................................................606
Manage Ports using Power Priority and Power Budget..............................................................................607
Determine the Power Priority................................................................................................................................ 607
Manage Inline Power................................................................................................................................................608
Set the Threshold Limit for the PoE Power Budget........................................................................................ 608
Manage Power Priorities......................................................................................................................................... 608
Power Allocation to Ports.......................................................................................................................................609
Power Allocation to Additional Ports................................................................................................................... 609
Manage Legacy Devices............................................................................................................................................... 609
Suspend Power Delivery on a Port..............................................................................................................................610
Restore Power Delivery on a Port...............................................................................................................................610
Display the Power Details.............................................................................................................................................. 610
Chapter 40: Port Monitoring...................................................................................................... 612
Important Points to Remember....................................................................................................................................612
Port Monitoring................................................................................................................................................................613
Configuring Port Monitoring......................................................................................................................................... 615
Configuring Monitor Multicast Queue........................................................................................................................ 616
Enabling Flow-Based Monitoring................................................................................................................................. 617
Remote Port Mirroring................................................................................................................................................... 618
Remote Port Mirroring Example.............................................................................................................................618
Configuring Remote Port Mirroring.......................................................................................................................619
Displaying Remote-Port Mirroring Configurations............................................................................................620
Configuration procedure for Remote Port Mirroring........................................................................................ 621
Encapsulated Remote Port Monitoring..................................................................................................................... 625
ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................627
Port Monitoring on VLT.................................................................................................................................................628
Chapter 41: Private VLANs (PVLAN).......................................................................................... 631
Private VLAN Concepts................................................................................................................................................. 631
Using the Private VLAN Commands.......................................................................................................................... 632
Configuration Task List..................................................................................................................................................633
Creating PVLAN ports............................................................................................................................................. 633
Creating a Primary VLAN........................................................................................................................................ 633
Creating a Community VLAN................................................................................................................................. 634
Creating an Isolated VLAN......................................................................................................................................635
Private VLAN Configuration Example........................................................................................................................ 636
Inspecting the Private VLAN Configuration............................................................................................................. 637
Chapter 42: Per-VLAN Spanning Tree Plus (PVST+)..................................................................639
Protocol Overview..........................................................................................................................................................639
Contents
19
Implementation Information......................................................................................................................................... 640
Configure Per-VLAN Spanning Tree Plus..................................................................................................................641
Enabling PVST+............................................................................................................................................................... 641
Disabling PVST+...............................................................................................................................................................641
Influencing PVST+ Root Selection............................................................................................................................. 642
Modifying Global PVST+ Parameters........................................................................................................................ 643
Modifying Interface PVST+ Parameters................................................................................................................... 643
Configuring an EdgePort...............................................................................................................................................644
PVST+ in Multi-Vendor Networks.............................................................................................................................. 645
Enabling PVST+ Extend System ID............................................................................................................................ 645
PVST+ Sample Configurations.................................................................................................................................... 646
Chapter 43: Quality of Service (QoS)........................................................................................ 648
Implementation Information......................................................................................................................................... 650
Port-Based QoS Configurations..................................................................................................................................650
Setting dot1p Priorities for Incoming Traffic......................................................................................................650
Honoring dot1p Priorities on Ingress Traffic....................................................................................................... 651
Configuring Port-Based Rate Policing..................................................................................................................651
Configuring Port-Based Rate Shaping.................................................................................................................652
Policy-Based QoS Configurations...............................................................................................................................653
Classify Traffic...........................................................................................................................................................653
Create a QoS Policy................................................................................................................................................. 656
Create Policy Maps.................................................................................................................................................. 658
DSCP Color Maps............................................................................................................................................................661
Creating a DSCP Color Map................................................................................................................................... 661
Displaying DSCP Color Maps................................................................................................................................. 662
Displaying a DSCP Color Policy Configuration ..................................................................................................662
Enabling QoS Rate Adjustment................................................................................................................................... 663
Enabling Strict-Priority Queueing............................................................................................................................... 663
Weighted Random Early Detection.............................................................................................................................663
Creating WRED Profiles.......................................................................................................................................... 664
Applying a WRED Profile to Traffic...................................................................................................................... 664
Displaying Default and Configured WRED Profiles........................................................................................... 665
Displaying WRED Drop Statistics..........................................................................................................................665
Displaying egressqueue Statistics...................................................................................................................... 665
Pre-Calculating Available QoS CAM Space..............................................................................................................666
Configuring Weights and ECN for WRED ................................................................................................................667
Configuring WRED and ECN Attributes.................................................................................................................... 668
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................669
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class..........................669
Classifying Incoming Packets Using ECN and Color-Marking........................................................................670
Sample configuration to mark non-ecn packets as yellow with single traffic class...............................671
Applying Layer 2 Match Criteria on a Layer 3 Interface........................................................................................672
Applying DSCP and VLAN Match Criteria on a Service Queue........................................................................... 673
Classifying Incoming Packets Using ECN and Color-Marking..............................................................................673
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................675
Sample configuration to mark non-ecn packets as yellow with Multiple traffic class................................676
Sample configuration to mark non-ecn packets as yellow with single traffic class....................................676
20
Contents
/