Dell EMC Configuration Guide for the S3100
Series
9.14.2.1
June 2019
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2018 - 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.
Chapter 1: About this Guide......................................................................................................... 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............................................................................................................................53
Verify Software Images Before Installation................................................................................................................ 53
Using HTTP for File Transfers....................................................................................................................................... 54
Chapter 4: Management.............................................................................................................. 56
Configuring Privilege Levels........................................................................................................................................... 56
Contents
Contents 3
Removing a Command from EXEC Mode..............................................................................................................57
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 57
Allowing Access to CONFIGURATION Mode Commands..................................................................................57
Allowing Access to Different Modes.......................................................................................................................57
Applying a Privilege Level to a Username............................................................................................................. 59
Applying a Privilege Level to a Terminal Line....................................................................................................... 59
Configuring Logging......................................................................................................................................................... 59
Audit and Security Logs.............................................................................................................................................59
Configuring Logging Format ..............................................................................................................................61
Display the Logging Buffer and the Logging Configuration...............................................................................61
Setting Up a Secure Connection to a Syslog Server................................................................................ 62
Sending System Messages to a Syslog Server.................................................................................................... 63
Track Login Activity..........................................................................................................................................................63
Restrictions for Tracking Login Activity................................................................................................................ 63
Configuring Login Activity Tracking........................................................................................................................63
Display Login Statistics.............................................................................................................................................. 64
Limit Concurrent Login Sessions...................................................................................................................................65
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 65
Configuring Concurrent Session Limit................................................................................................................... 65
Enabling the System to Clear Existing Sessions..................................................................................................66
Enabling Secured CLI Mode........................................................................................................................................... 66
Log Messages in the Internal Buffer.............................................................................................................................67
Disabling System Logging................................................................................................................................................67
Sending System Messages to a Syslog Server.......................................................................................................... 67
Configuring a UNIX System as a Syslog Server...................................................................................................67
Changing System Logging Settings..............................................................................................................................68
Display the Logging Buffer and the Logging Configuration....................................................................................68
Configuring a UNIX Logging Facility Level..................................................................................................................69
Synchronizing Log Messages......................................................................................................................................... 70
Enabling Timestamp on Syslog Messages...................................................................................................................70
File Transfer Services........................................................................................................................................................71
Enabling the FTP Server.............................................................................................................................................71
Configuring FTP Server Parameters........................................................................................................................71
Configuring FTP Client Parameters........................................................................................................................ 72
Terminal Lines.....................................................................................................................................................................72
Denying and Permitting Access to a Terminal Line............................................................................................. 72
Configuring Login Authentication for Terminal Lines..........................................................................................73
Setting Timeout for EXEC Privilege Mode..................................................................................................................74
Using Telnet to get to Another Network Device....................................................................................................... 74
Lock CONFIGURATION Mode....................................................................................................................................... 75
Viewing the Reason for Last System Reboot.............................................................................................................76
Chapter 5: 802.1X........................................................................................................................77
Port-Authentication Process..........................................................................................................................................78
EAP over RADIUS........................................................................................................................................................79
Configuring 802.1X............................................................................................................................................................80
Important Points to Remember..................................................................................................................................... 80
Enabling 802.1X.................................................................................................................................................................. 81
Configuring dot1x Profile ................................................................................................................................................82
Configuring MAC addresses for a do1x Profile.......................................................................................................... 82
4
Contents
Configuring the Static MAB and MAB Profile ...........................................................................................................83
Configuring Critical VLAN .............................................................................................................................................. 84
Configuring Request Identity Re-Transmissions........................................................................................................84
Configuring a Quiet Period after a Failed Authentication..................................................................................85
Forcibly Authorizing or Unauthorizing a Port............................................................................................................. 86
Re-Authenticating a Port................................................................................................................................................ 86
Configuring Timeouts....................................................................................................................................................... 87
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 88
Guest and Authentication-Fail VLANs......................................................................................................................... 89
Configuring a Guest VLAN........................................................................................................................................90
Configuring an Authentication-Fail VLAN............................................................................................................. 90
Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 92
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..............................................................92
Guidelines for Configuring ACL VLAN Groups........................................................................................................... 93
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 93
Configuring ACL VLAN Groups................................................................................................................................ 93
Configuring FP Blocks for VLAN Parameters.......................................................................................................94
Viewing CAM Usage......................................................................................................................................................... 95
Allocating FP Blocks for VLAN Processes.................................................................................................................. 96
Chapter 7: Access Control Lists (ACLs).......................................................................................97
IP Access Control Lists (ACLs)..................................................................................................................................... 98
CAM Usage................................................................................................................................................................... 98
Implementing ACLs on Dell EMC Networking OS............................................................................................... 99
Important Points to Remember....................................................................................................................................100
Configuration Task List for Route Maps...............................................................................................................101
Configuring Match Routes...................................................................................................................................... 103
Configuring Set Conditions..................................................................................................................................... 104
Configure a Route Map for Route Redistribution.............................................................................................. 104
Configure a Route Map for Route Tagging......................................................................................................... 105
Continue Clause......................................................................................................................................................... 105
IP Fragment Handling..................................................................................................................................................... 106
IP Fragments ACL Examples...................................................................................................................................106
Layer 4 ACL Rules Examples...................................................................................................................................106
Configure a Standard IP ACL........................................................................................................................................107
Configuring a Standard IP ACL Filter....................................................................................................................108
Configure an Extended IP ACL.....................................................................................................................................109
Configuring Filters with a Sequence Number..................................................................................................... 109
Configuring Filters Without a Sequence Number............................................................................................... 110
Configure Layer 2 and Layer 3 ACLs...........................................................................................................................110
Assign an IP ACL to an Interface.................................................................................................................................. 111
Applying an IP ACL............................................................................................................................................................111
Counting ACL Hits......................................................................................................................................................112
Configure Ingress ACLs.................................................................................................................................................. 112
Configure Egress ACLs................................................................................................................................................... 113
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................. 113
IP Prefix Lists.................................................................................................................................................................... 114
Configuration Task List for Prefix Lists.................................................................................................................114
Contents
5
ACL Remarks..................................................................................................................................................................... 117
Configuring a Remark................................................................................................................................................ 118
Deleting a Remark...................................................................................................................................................... 118
ACL Resequencing........................................................................................................................................................... 119
Resequencing an ACL or Prefix List...................................................................................................................... 119
Route Maps.......................................................................................................................................................................120
Logging of ACL Processes............................................................................................................................................. 121
Guidelines for Configuring ACL Logging............................................................................................................... 121
Configuring ACL Logging......................................................................................................................................... 122
Flow-Based Monitoring.................................................................................................................................................. 122
Enabling Flow-Based Monitoring............................................................................................................................124
Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 126
How BFD Works...............................................................................................................................................................126
BFD Packet Format................................................................................................................................................... 127
BFD Sessions.............................................................................................................................................................. 128
BFD Three-Way Handshake.................................................................................................................................... 129
Session State Changes.............................................................................................................................................130
Important Points to Remember....................................................................................................................................130
Configure BFD..................................................................................................................................................................130
Configure BFD for Physical Ports...........................................................................................................................131
Configure BFD for Static Routes........................................................................................................................... 132
Configure BFD for IPv6 Static Routes................................................................................................................. 135
Configure BFD for OSPF..........................................................................................................................................137
Configure BFD for OSPFv3......................................................................................................................................141
Configure BFD for IS-IS........................................................................................................................................... 143
Configure BFD for BGP............................................................................................................................................145
Configure BFD for VRRP......................................................................................................................................... 152
Configuring Protocol Liveness................................................................................................................................154
Chapter 9: Border Gateway Protocol (BGP)............................................................................... 155
Border Gateway Protocol version 4 (BGPv4).......................................................................................................... 155
Autonomous Systems (AS)..................................................................................................................................... 155
AS4 Number Representation...................................................................................................................................157
Four-Byte AS Numbers............................................................................................................................................ 159
BGP router ID............................................................................................................................................................. 159
Sessions and Peers....................................................................................................................................................159
Establish a Session.................................................................................................................................................... 159
BGP Attributes for selecting Best Path............................................................................................................... 160
Multiprotocol BGP..................................................................................................................................................... 165
Implementing BGP global and address family..................................................................................................... 166
Implement BGP with Dell EMC Networking OS................................................................................................. 167
Configuration Information........................................................................................................................................170
Configuring a basic BGP network.................................................................................................................................171
Prerequisite for configuring a BGP network........................................................................................................ 171
Restrictions.................................................................................................................................................................. 171
Enabling BGP............................................................................................................................................................... 171
Enabling four-byte autonomous system numbers..............................................................................................173
Changing a BGP router ID........................................................................................................................................174
6
Contents
Configuring AS4 Number Representations..........................................................................................................175
Configuring a BGP peer............................................................................................................................................176
Example-Configuring BGP routing between peers............................................................................................ 177
BGP peer group..........................................................................................................................................................178
Advanced BGP configuration tasks.............................................................................................................................186
Route-refresh and Soft-reconfiguration..............................................................................................................186
Aggregating Routes...................................................................................................................................................188
Filtering BGP...............................................................................................................................................................190
Configuring BGP Fast Fall-Over.............................................................................................................................196
Configuring Passive Peering....................................................................................................................................197
Enabling Graceful Restart........................................................................................................................................198
Redistributing Routes............................................................................................................................................... 198
Redistributing iBGP Routes into IGP.................................................................................................................... 199
Enabling Additional Paths........................................................................................................................................ 201
Configuring IP Community Lists.............................................................................................................................201
Configuring an IP Extended Community List..................................................................................................... 202
Configure BGP attributes....................................................................................................................................... 203
Enabling Multipath.................................................................................................................................................... 207
Route Reflectors....................................................................................................................................................... 207
Enabling Route Flap Dampening............................................................................................................................208
Changing BGP Timers...............................................................................................................................................210
Setting the extended timer...................................................................................................................................... 211
Enabling or disabling BGP neighbors..................................................................................................................... 211
Route Map Continue................................................................................................................................................. 212
Configuring BGP Confederations...........................................................................................................................213
Configuring a BGP VRF address family................................................................................................................ 213
Maintaining Existing AS Numbers During an AS Migration..............................................................................215
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 215
Enabling MBGP Configurations.............................................................................................................................. 216
MBGP support for IPv6............................................................................................................................................216
Configuring IPv6 MBGP between peers.............................................................................................................. 217
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 217
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor................................... 219
BGP Regular Expression Optimization..................................................................................................................221
Debugging BGP.......................................................................................................................................................... 221
Chapter 10: Content Addressable Memory (CAM)......................................................................224
CAM Allocation................................................................................................................................................................ 224
Test CAM Usage............................................................................................................................................................. 226
View CAM-ACL Settings...............................................................................................................................................226
View CAM Usage............................................................................................................................................................ 228
Configuring CAM Threshold and Silence Period..................................................................................................... 228
CAM Optimization...........................................................................................................................................................229
Troubleshoot CAM Profiling.........................................................................................................................................230
QoS CAM Region Limitation...................................................................................................................................230
Chapter 11: Control Plane Policing (CoPP)................................................................................. 231
Configure Control Plane Policing................................................................................................................................ 232
Configuring CoPP for Protocols............................................................................................................................233
Contents
7
Configuring CoPP for CPU Queues......................................................................................................................234
CoPP for OSPFv3 Packets.....................................................................................................................................235
Configuring CoPP for OSPFv3.............................................................................................................................. 238
Displaying CoPP Configuration .............................................................................................................................239
Chapter 12: Dynamic Host Configuration Protocol (DHCP).........................................................241
DHCP Packet Format and Options..............................................................................................................................241
Assign an IP Address using DHCP.............................................................................................................................. 243
Implementation Information..........................................................................................................................................243
Configure the System to be a DHCP Server............................................................................................................244
Configuring the Server for Automatic Address Allocation.............................................................................. 244
Specifying a Default Gateway................................................................................................................................245
Configure a Method of Hostname Resolution....................................................................................................246
Using DNS for Address Resolution....................................................................................................................... 246
Using NetBIOS WINS for Address Resolution....................................................................................................246
Creating Manual Binding Entries........................................................................................................................... 246
Debugging the DHCP Server..................................................................................................................................247
Using DHCP Clear Commands............................................................................................................................... 247
Configure the System to be a Relay Agent.............................................................................................................. 247
Configure the System to be a DHCP Client............................................................................................................. 249
Configuring the DHCP Client System.................................................................................................................. 249
DHCP Client on a Management Interface.......................................................................................................... 250
DHCP Client Operation with Other Features......................................................................................................251
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 252
Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................252
Non-default VRF configuration for DHCPv6 helper address...............................................................................253
Configuring DHCP relay source interface.................................................................................................................253
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................253
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................254
Configure the System for User Port Stacking (Option 230)............................................................................... 255
Configure Secure DHCP............................................................................................................................................... 255
Option 82.................................................................................................................................................................... 255
DHCPv6 relay agent options..................................................................................................................................256
DHCP Snooping.........................................................................................................................................................256
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 260
Dynamic ARP Inspection.......................................................................................................................................... 261
Configuring Dynamic ARP Inspection................................................................................................................... 261
Source Address Validation............................................................................................................................................ 262
Enabling IP Source Address Validation................................................................................................................ 263
DHCP MAC Source Address Validation............................................................................................................... 263
Enabling IP+MAC Source Address Validation.................................................................................................... 263
Viewing the Number of SAV Dropped Packets................................................................................................. 264
Clearing the Number of SAV Dropped Packets.................................................................................................264
Chapter 13: Equal Cost Multi-Path (ECMP)............................................................................... 265
ECMP for Flow-Based Affinity.................................................................................................................................... 265
Configuring the Hash Algorithm............................................................................................................................265
Enabling Deterministic ECMP Next Hop............................................................................................................. 265
Configuring the Hash Algorithm Seed................................................................................................................. 266
8
Contents
Link Bundle Monitoring..................................................................................................................................................266
Managing ECMP Group Paths............................................................................................................................... 267
Creating an ECMP Group Bundle..........................................................................................................................267
Modifying the ECMP Group Threshold................................................................................................................267
Chapter 14: FIPS Cryptography................................................................................................. 269
Configuration Tasks....................................................................................................................................................... 269
Preparing the System.................................................................................................................................................... 269
Enabling FIPS Mode....................................................................................................................................................... 269
Generating Host-Keys....................................................................................................................................................270
Monitoring FIPS Mode Status......................................................................................................................................270
Disabling FIPS Mode....................................................................................................................................................... 271
Chapter 15: Force10 Resilient Ring Protocol (FRRP)..................................................................272
Protocol Overview.......................................................................................................................................................... 272
Ring Status................................................................................................................................................................. 273
Multiple FRRP Rings.................................................................................................................................................273
Important FRRP Points............................................................................................................................................274
Important FRRP Concepts......................................................................................................................................275
Implementing FRRP........................................................................................................................................................ 275
FRRP Configuration........................................................................................................................................................276
Creating the FRRP Group....................................................................................................................................... 276
Configuring the Control VLAN............................................................................................................................... 276
Configuring and Adding the Member VLANs......................................................................................................277
Setting the FRRP Timers........................................................................................................................................ 278
Clearing the FRRP Counters.................................................................................................................................. 278
Viewing the FRRP Configuration...........................................................................................................................278
Viewing the FRRP Information...............................................................................................................................278
Troubleshooting FRRP...................................................................................................................................................279
Sample Configuration and Topology...........................................................................................................................279
Chapter 16: GARP VLAN Registration Protocol (GVRP)..............................................................281
Configure GVRP..............................................................................................................................................................282
Enabling GVRP Globally.................................................................................................................................................282
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 283
Configure GVRP Registration...................................................................................................................................... 283
Configure a GARP Timer...............................................................................................................................................284
RPM Redundancy........................................................................................................................................................... 284
Chapter 17: High Availability (HA)............................................................................................. 285
Component Redundancy...............................................................................................................................................285
Automatic and Manual Stack Unit Failover.........................................................................................................285
Synchronization between Management and Standby Units...........................................................................286
Forcing a Stack Unit Failover.................................................................................................................................286
Disabling Auto-Reboot............................................................................................................................................. 287
Pre-Configuring a Stack Unit Slot.............................................................................................................................. 287
Removing a Provisioned Logical Stack Unit............................................................................................................. 287
Hitless Behavior...............................................................................................................................................................287
Graceful Restart..............................................................................................................................................................288
Contents
9
Software Resiliency........................................................................................................................................................288
Software Component Health Monitoring............................................................................................................ 288
System Health Monitoring...................................................................................................................................... 288
Failure and Event Logging.......................................................................................................................................288
Hot-Lock Behavior..........................................................................................................................................................289
Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 290
IGMP Protocol Overview.............................................................................................................................................. 290
IGMP Version 2..........................................................................................................................................................290
IGMP Version 3..........................................................................................................................................................292
Configure IGMP...............................................................................................................................................................294
Viewing IGMP Enabled Interfaces.............................................................................................................................. 295
Selecting an IGMP Version...........................................................................................................................................295
Viewing IGMP Groups....................................................................................................................................................296
Adjusting Timers..............................................................................................................................................................296
Adjusting Query and Response Timers................................................................................................................ 296
Preventing a Host from Joining a Group...................................................................................................................297
Enabling IGMP Immediate-Leave................................................................................................................................ 299
IGMP Snooping............................................................................................................................................................... 300
Configuring IGMP Snooping...................................................................................................................................300
Removing a Group-Port Association....................................................................................................................300
Disabling Multicast Flooding....................................................................................................................................301
Specifying a Port as Connected to a Multicast Router....................................................................................301
Configuring the Switch as Querier........................................................................................................................ 301
Fast Convergence after MSTP Topology Changes................................................................................................302
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................302
Designating a Multicast Router Interface................................................................................................................. 309
Chapter 19: Interfaces............................................................................................................... 310
Interface Types................................................................................................................................................................. 311
Optional Modules..............................................................................................................................................................311
View Basic Interface Information................................................................................................................................. 311
Resetting an Interface to its Factory Default State................................................................................................313
Enabling Energy Efficient Ethernet............................................................................................................................. 313
View EEE Information..................................................................................................................................................... 313
Clear EEE Counters.........................................................................................................................................................318
Enabling a Physical Interface........................................................................................................................................ 318
Physical Interfaces.......................................................................................................................................................... 318
Configuration Task List for Physical Interfaces................................................................................................. 319
Overview of Layer Modes........................................................................................................................................319
Configuring Layer 2 (Data Link) Mode................................................................................................................. 319
Configuring Layer 2 (Interface) Mode.................................................................................................................320
Configuring Layer 3 (Network) Mode..................................................................................................................320
Configuring Layer 3 (Interface) Mode.................................................................................................................320
Automatic recovery of an Err-disabled interface.....................................................................................................321
Configuring an automatic recovery for an Err-disabled interface.................................................................322
Egress Interface Selection (EIS).................................................................................................................................322
Configuring EIS.......................................................................................................................................................... 322
Management Interfaces................................................................................................................................................ 323
10
Contents
Configuring Management Interfaces....................................................................................................................323
Configuring a Management Interface on an Ethernet Port............................................................................ 324
VLAN Interfaces..............................................................................................................................................................325
Loopback Interfaces.......................................................................................................................................................325
Null Interfaces..................................................................................................................................................................326
Port Channel Interfaces................................................................................................................................................ 326
Port Channel Definition and Standards............................................................................................................... 326
Port Channel Benefits..............................................................................................................................................326
Port Channel Implementation.................................................................................................................................326
Interfaces in Port Channels.................................................................................................................................... 327
Configuration Tasks for Port Channel Interfaces..............................................................................................327
Creating a Port Channel.......................................................................................................................................... 327
Adding a Physical Interface to a Port Channel.................................................................................................. 328
Reassigning an Interface to a New Port Channel............................................................................................. 329
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................330
Adding or Removing a Port Channel from a VLAN........................................................................................... 330
Assigning an IP Address to a Port Channel......................................................................................................... 331
Deleting or Disabling a Port Channel.....................................................................................................................331
Load Balancing Through Port Channels.............................................................................................................. 332
Load-Balancing Method...........................................................................................................................................332
Changing the Hash Algorithm................................................................................................................................ 332
Bulk Configuration.......................................................................................................................................................... 333
Interface Range......................................................................................................................................................... 333
Bulk Configuration Examples..................................................................................................................................334
Defining Interface Range Macros............................................................................................................................... 335
Define the Interface Range.................................................................................................................................... 336
Choosing an Interface-Range Macro................................................................................................................... 336
Monitoring and Maintaining Interfaces......................................................................................................................336
Maintenance Using TDR.......................................................................................................................................... 337
Link Dampening............................................................................................................................................................... 337
Enabling Link Dampening........................................................................................................................................ 340
Link Bundle Monitoring...................................................................................................................................................341
Using Ethernet Pause Frames for Flow Control...................................................................................................... 341
Enabling Pause Frames............................................................................................................................................ 342
Configure the MTU Size on an Interface.................................................................................................................. 343
Port-Pipes.........................................................................................................................................................................343
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 343
Setting the Speed of Ethernet Interfaces.......................................................................................................... 344
Set Auto-Negotiation Options............................................................................................................................... 345
Provisioning Combo Ports............................................................................................................................................ 346
View Advanced Interface Information........................................................................................................................347
Configuring the Interface Sampling Size............................................................................................................. 347
Configuring the Traffic Sampling Size Globally....................................................................................................... 348
Dynamic Counters...........................................................................................................................................................349
Clearing Interface Counters................................................................................................................................... 350
Chapter 20: Internet Protocol Security (IPSec)......................................................................... 351
Configuring IPSec ...........................................................................................................................................................351
Contents
11
Chapter 21: IPv4 Routing...........................................................................................................353
IP Addresses.....................................................................................................................................................................354
Configuration Tasks for IP Addresses........................................................................................................................354
Assigning IP Addresses to an Interface.....................................................................................................................354
Configuring Static Routes............................................................................................................................................ 355
Configure Static Routes for the Management Interface...................................................................................... 356
IPv4 Path MTU Discovery Overview......................................................................................................................... 356
Using the Configured Source IP Address in ICMP Messages.............................................................................. 357
Configuring the Duration to Establish a TCP Connection.....................................................................................357
Enabling Directed Broadcast........................................................................................................................................358
Resolution of Host Names............................................................................................................................................ 358
Enabling Dynamic Resolution of Host Names.......................................................................................................... 358
Specifying the Local System Domain and a List of Domains............................................................................... 359
Configuring DNS with Traceroute.............................................................................................................................. 359
ARP.................................................................................................................................................................................... 360
Configuration Tasks for ARP....................................................................................................................................... 360
Configuring Static ARP Entries................................................................................................................................... 360
Enabling Proxy ARP........................................................................................................................................................ 361
Clearing ARP Cache........................................................................................................................................................361
ARP Learning via Gratuitous ARP............................................................................................................................... 361
Enabling ARP Learning via Gratuitous ARP...............................................................................................................361
ARP Learning via ARP Request...................................................................................................................................362
Configuring ARP Retries............................................................................................................................................... 362
ICMP.................................................................................................................................................................................. 363
Configuration Tasks for ICMP..................................................................................................................................... 363
Enabling ICMP Unreachable Messages..................................................................................................................... 363
ICMP Redirects............................................................................................................................................................... 363
UDP Helper.......................................................................................................................................................................364
Enabling UDP Helper......................................................................................................................................................365
Configuring a Broadcast Address............................................................................................................................... 365
Configurations Using UDP Helper...............................................................................................................................366
UDP Helper with Broadcast-All Addresses...............................................................................................................366
UDP Helper with Subnet Broadcast Addresses...................................................................................................... 366
UDP Helper with Configured Broadcast Addresses............................................................................................... 367
UDP Helper with No Configured Broadcast Addresses.........................................................................................367
Troubleshooting UDP Helper........................................................................................................................................368
Chapter 22: IPv6 Routing.......................................................................................................... 369
Protocol Overview..........................................................................................................................................................369
Extended Address Space........................................................................................................................................ 369
Stateless Autoconfiguration................................................................................................................................... 369
IPv6 Headers.............................................................................................................................................................. 370
IPv6 Header Fields.................................................................................................................................................... 370
Extension Header Fields.......................................................................................................................................... 372
Addressing...................................................................................................................................................................373
Implementing IPv6 with Dell EMC Networking OS.................................................................................................374
ICMPv6..............................................................................................................................................................................375
Path MTU discovery.......................................................................................................................................................376
12
Contents
IPv6 Neighbor Discovery...............................................................................................................................................376
IPv6 Neighbor Discovery of MTU Packets..........................................................................................................377
Configuration Task List for IPv6 RDNSS...................................................................................................................377
Configuring the IPv6 Recursive DNS Server......................................................................................................377
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 378
Displaying IPv6 RDNSS Information..................................................................................................................... 378
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................379
Configuration Tasks for IPv6....................................................................................................................................... 379
Adjusting Your CAM-Profile....................................................................................................................................379
Assigning an IPv6 Address to an Interface.........................................................................................................380
Assigning a Static IPv6 Route................................................................................................................................380
Configuring Telnet with IPv6.................................................................................................................................. 381
SNMP over IPv6........................................................................................................................................................ 381
Displaying IPv6 Information.....................................................................................................................................381
Displaying an IPv6 Interface Information............................................................................................................ 382
Showing IPv6 Routes............................................................................................................................................... 383
Showing the Running-Configuration for an Interface...................................................................................... 384
Clearing IPv6 Routes................................................................................................................................................384
Disabling ND Entry Timeout....................................................................................................................................384
Configuring IPv6 RA Guard.......................................................................................................................................... 385
Configuring IPv6 RA Guard on an Interface....................................................................................................... 386
Monitoring IPv6 RA Guard......................................................................................................................................386
Chapter 23: iSCSI Optimization................................................................................................. 387
iSCSI Optimization Overview....................................................................................................................................... 387
Monitoring iSCSI Traffic Flows..............................................................................................................................388
Application of Quality of Service to iSCSI Traffic Flows.................................................................................388
Information Monitored in iSCSI Traffic Flows....................................................................................................389
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................389
Configuring Detection and Ports for Dell Compellent Arrays........................................................................ 390
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 390
Enable and Disable iSCSI Optimization................................................................................................................390
Default iSCSI Optimization Values...............................................................................................................................391
iSCSI Optimization Prerequisites................................................................................................................................. 391
Configuring iSCSI Optimization................................................................................................................................... 392
Displaying iSCSI Optimization Information............................................................................................................... 393
Chapter 24: Intermediate System to Intermediate System........................................................ 395
IS-IS Protocol Overview................................................................................................................................................395
IS-IS Addressing..............................................................................................................................................................395
Multi-Topology IS-IS...................................................................................................................................................... 396
Transition Mode.........................................................................................................................................................396
Interface Support......................................................................................................................................................396
Adjacencies.................................................................................................................................................................396
Graceful Restart..............................................................................................................................................................397
Timers.......................................................................................................................................................................... 397
Implementation Information..........................................................................................................................................397
Configuration Information.............................................................................................................................................398
Configuration Tasks for IS-IS.................................................................................................................................398
Contents
13
Configuring the Distance of a Route....................................................................................................................405
Changing the IS-Type.............................................................................................................................................. 405
Redistributing IPv4 Routes..................................................................................................................................... 407
Redistributing IPv6 Routes.....................................................................................................................................408
Configuring Authentication Passwords............................................................................................................... 409
Setting the Overload Bit......................................................................................................................................... 409
Debugging IS-IS..........................................................................................................................................................410
IS-IS Metric Styles.......................................................................................................................................................... 410
Configure Metric Values................................................................................................................................................. 411
Maximum Values in the Routing Table.................................................................................................................. 411
Change the IS-IS Metric Style in One Level Only...............................................................................................411
Leaks from One Level to Another..........................................................................................................................412
Sample Configurations....................................................................................................................................................413
Chapter 25: Link Aggregation Control Protocol (LACP)............................................................. 416
Introduction to Dynamic LAGs and LACP..................................................................................................................416
Important Points to Remember..............................................................................................................................416
LACP Modes................................................................................................................................................................417
Configuring LACP Commands.................................................................................................................................417
LACP Configuration Tasks.............................................................................................................................................417
Creating a LAG........................................................................................................................................................... 418
Configuring the LAG Interfaces as Dynamic....................................................................................................... 418
Setting the LACP Long Timeout............................................................................................................................ 418
Monitoring and Debugging LACP...........................................................................................................................419
Shared LAG State Tracking...........................................................................................................................................419
Configuring Shared LAG State Tracking............................................................................................................. 420
Important Points about Shared LAG State Tracking........................................................................................ 421
LACP Basic Configuration Example............................................................................................................................422
Configure a LAG on ALPHA....................................................................................................................................422
Chapter 26: Layer 2................................................................................................................... 430
Manage the MAC Address Table................................................................................................................................ 430
Clearing the MAC Address Table.......................................................................................................................... 430
Setting the Aging Time for Dynamic Entries...................................................................................................... 430
Configuring a Static MAC Address........................................................................................................................431
Displaying the MAC Address Table........................................................................................................................431
MAC Learning Limit.........................................................................................................................................................431
Setting the MAC Learning Limit............................................................................................................................ 432
mac learning-limit Dynamic..................................................................................................................................... 432
mac learning-limit mac-address-sticky................................................................................................................ 432
mac learning-limit station-move............................................................................................................................ 432
mac learning-limit no-station-move......................................................................................................................433
Learning Limit Violation Actions............................................................................................................................ 433
Setting Station Move Violation Actions...............................................................................................................433
Recovering from Learning Limit and Station Move Violations....................................................................... 434
Disabling MAC Address Learning on the System.............................................................................................. 434
Enabling port security.............................................................................................................................................. 434
NIC Teaming.....................................................................................................................................................................435
Configure Redundant Pairs...........................................................................................................................................436
14
Contents
Far-End Failure Detection.............................................................................................................................................439
FEFD State Changes................................................................................................................................................439
Configuring FEFD......................................................................................................................................................440
Enabling FEFD on an Interface............................................................................................................................... 441
Debugging FEFD........................................................................................................................................................442
Chapter 27: Link Layer Discovery Protocol (LLDP).................................................................... 443
802.1AB (LLDP) Overview............................................................................................................................................443
Protocol Data Units.................................................................................................................................................. 443
Optional TLVs.................................................................................................................................................................. 445
Management TLVs....................................................................................................................................................445
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 446
TIA Organizationally Specific TLVs....................................................................................................................... 447
Configure LLDP...............................................................................................................................................................450
CONFIGURATION versus INTERFACE Configurations..........................................................................................451
Enabling LLDP.................................................................................................................................................................. 451
Disabling and Undoing LLDP................................................................................................................................... 451
Enabling LLDP on Management Ports.......................................................................................................................452
Disabling and Undoing LLDP on Management Ports........................................................................................452
Advertising TLVs.............................................................................................................................................................452
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 453
Viewing the LLDP Configuration.................................................................................................................................454
Viewing Information Advertised by Adjacent LLDP Neighbors........................................................................... 455
Examples of Viewing Information Advertised by Neighbors...........................................................................455
Configuring LLDPDU Intervals.....................................................................................................................................456
Configuring LLDP Notification Interval......................................................................................................................457
Configuring Transmit and Receive Mode..................................................................................................................457
Configuring the Time to Live Value............................................................................................................................ 458
Debugging LLDP............................................................................................................................................................. 459
Relevant Management Objects................................................................................................................................... 460
Chapter 28: Microsoft Network Load Balancing.........................................................................464
Configuring a Switch for NLB .................................................................................................................................... 465
Enabling a Switch for Multicast NLB................................................................................................................... 466
Chapter 29: Multicast Source Discovery Protocol (MSDP)........................................................ 467
Anycast RP.......................................................................................................................................................................468
Implementation Information......................................................................................................................................... 469
Configure Multicast Source Discovery Protocol..................................................................................................... 469
Related Configuration Tasks.................................................................................................................................. 469
Enable MSDP................................................................................................................................................................... 473
Manage the Source-Active Cache..............................................................................................................................474
Viewing the Source-Active Cache........................................................................................................................ 474
Limiting the Source-Active Cache........................................................................................................................ 474
Clearing the Source-Active Cache........................................................................................................................474
Enabling the Rejected Source-Active Cache..................................................................................................... 475
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 475
Specifying Source-Active Messages..........................................................................................................................478
Limiting the Source-Active Messages from a Peer................................................................................................ 479
Contents
15
Preventing MSDP from Caching a Local Source.................................................................................................... 479
Preventing MSDP from Caching a Remote Source............................................................................................... 480
Preventing MSDP from Advertising a Local Source.............................................................................................. 480
Logging Changes in Peership States.......................................................................................................................... 481
Terminating a Peership...................................................................................................................................................481
Clearing Peer Statistics..................................................................................................................................................481
Debugging MSDP............................................................................................................................................................482
MSDP with Anycast RP.................................................................................................................................................482
Configuring Anycast RP................................................................................................................................................ 483
Reducing Source-Active Message Flooding....................................................................................................... 484
Specifying the RP Address Used in SA Messages............................................................................................ 484
MSDP Sample Configurations......................................................................................................................................486
Chapter 30: Multicast Listener Discovery Protocol....................................................................489
MLD timers.......................................................................................................................................................................492
Reducing Host Response Burstiness....................................................................................................................492
Configuring MLD Version..............................................................................................................................................493
Clearing MLD groups......................................................................................................................................................493
Debugging MLD...............................................................................................................................................................493
Explicit Tracking.............................................................................................................................................................. 493
Reducing Leave Latency............................................................................................................................................... 493
Displaying MLD groups table........................................................................................................................................494
Displaying MLD Interfaces............................................................................................................................................ 494
Chapter 31: Multiple Spanning Tree Protocol (MSTP)............................................................... 495
Spanning Tree Variations.............................................................................................................................................. 496
Implementation Information....................................................................................................................................496
Configure Multiple Spanning Tree Protocol............................................................................................................. 496
Related Configuration Tasks.................................................................................................................................. 496
Enable Multiple Spanning Tree Globally.....................................................................................................................497
Adding and Removing Interfaces................................................................................................................................ 497
Creating Multiple Spanning Tree Instances.............................................................................................................. 497
Influencing MSTP Root Selection............................................................................................................................... 498
Interoperate with Non-Dell Bridges............................................................................................................................499
Changing the Region Name or Revision....................................................................................................................499
Modifying Global Parameters.......................................................................................................................................499
Modifying the Interface Parameters..........................................................................................................................500
Setting STP path cost as constant.............................................................................................................................501
Configuring an EdgePort...............................................................................................................................................502
Flush MAC Addresses after a Topology Change.................................................................................................... 502
MSTP Sample Configurations......................................................................................................................................502
Debugging and Verifying MSTP Configurations......................................................................................................506
Chapter 32: Multicast Features................................................................................................. 508
Enabling IP Multicast..................................................................................................................................................... 508
Implementation Information......................................................................................................................................... 508
Multicast Policies............................................................................................................................................................509
IPv4 Multicast Policies.............................................................................................................................................509
Understanding Multicast Traceroute (mtrace).................................................................................................. 515
16
Contents
Printing Multicast Traceroute (mtrace) Paths...................................................................................................515
Supported Error Codes.............................................................................................................................................517
mtrace Scenarios....................................................................................................................................................... 518
Chapter 33: Multicast Listener Discovery Protocol.................................................................... 524
MLD timers....................................................................................................................................................................... 527
Reducing Host Response Burstiness....................................................................................................................527
Clearing MLD groups..................................................................................................................................................... 528
Debugging MLD...............................................................................................................................................................528
Explicit Tracking.............................................................................................................................................................. 528
Reducing Leave Latency............................................................................................................................................... 528
Displaying MLD groups table........................................................................................................................................528
Displaying MLD Interfaces............................................................................................................................................529
MLD Snooping................................................................................................................................................................. 529
Enable MLD Snooping..............................................................................................................................................529
Disable MLD Snooping............................................................................................................................................. 529
Configure the switch as a querier.........................................................................................................................530
Specify port as connected to multicast router..................................................................................................530
Enable Snooping Explicit Tracking........................................................................................................................ 530
Display the MLD Snooping Table.......................................................................................................................... 530
Chapter 34: Object Tracking...................................................................................................... 531
Object Tracking Overview.............................................................................................................................................531
Track Layer 2 Interfaces......................................................................................................................................... 532
Track Layer 3 Interfaces......................................................................................................................................... 532
Track IPv4 and IPv6 Routes...................................................................................................................................532
Set Tracking Delays..................................................................................................................................................533
VRRP Object Tracking............................................................................................................................................. 534
Object Tracking Configuration.....................................................................................................................................534
Tracking a Layer 2 Interface.................................................................................................................................. 534
Tracking a Layer 3 Interface.................................................................................................................................. 535
Track an IPv4/IPv6 Route...................................................................................................................................... 536
Displaying Tracked Objects.......................................................................................................................................... 539
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)....................................................541
Protocol Overview...........................................................................................................................................................541
Autonomous System (AS) Areas........................................................................................................................... 541
Area Types..................................................................................................................................................................542
Networks and Neighbors.........................................................................................................................................543
Router Types..............................................................................................................................................................543
Designated and Backup Designated Routers..................................................................................................... 544
Link-State Advertisements (LSAs).......................................................................................................................544
Router Priority and Cost......................................................................................................................................... 545
OSPF with Dell EMC Networking OS........................................................................................................................ 546
Graceful Restart........................................................................................................................................................546
Fast Convergence (OSPFv2, IPv4 Only).............................................................................................................547
Multi-Process OSPFv2 with VRF..........................................................................................................................548
OSPF ACK Packing...................................................................................................................................................548
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 548
Contents
17
Configuration Information.............................................................................................................................................549
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................549
OSPFv3 NSSA..................................................................................................................................................................561
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................... 562
Enabling IPv6 Unicast Routing...............................................................................................................................562
Applying cost for OSPFv3...................................................................................................................................... 562
Assigning IPv6 Addresses on an Interface..........................................................................................................563
Assigning Area ID on an Interface.........................................................................................................................563
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................563
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................564
Configuring Stub Areas........................................................................................................................................... 564
Configuring Passive-Interface............................................................................................................................... 564
Redistributing Routes.............................................................................................................................................. 565
Configuring a Default Route...................................................................................................................................565
Enabling OSPFv3 Graceful Restart...................................................................................................................... 565
OSPFv3 Authentication Using IPsec.................................................................................................................... 567
Troubleshooting OSPFv3........................................................................................................................................ 573
MIB Support for OSPFv3..............................................................................................................................................574
Viewing the OSPFv3 MIB........................................................................................................................................574
Chapter 36: Policy-based Routing (PBR)...................................................................................575
Overview........................................................................................................................................................................... 575
Implementing PBR.......................................................................................................................................................... 576
Configuration Task List for Policy-based Routing.................................................................................................. 576
Create a Redirect List.............................................................................................................................................. 577
Create a Rule for a Redirect-list............................................................................................................................577
Apply a Redirect-list to an Interface using a Redirect-group.........................................................................579
Sample Configuration.................................................................................................................................................... 580
Chapter 37: PIM Sparse-Mode (PIM-SM).................................................................................. 584
Implementation Information......................................................................................................................................... 584
Protocol Overview..........................................................................................................................................................584
Requesting Multicast Traffic..................................................................................................................................584
Refuse Multicast Traffic......................................................................................................................................... 585
Send Multicast Traffic............................................................................................................................................. 585
Configuring PIM-SM...................................................................................................................................................... 585
Related Configuration Tasks.................................................................................................................................. 586
Enable PIM-SM............................................................................................................................................................... 586
Configuring S,G Expiry Timers.....................................................................................................................................587
Configuring a Static Rendezvous Point.................................................................................................................... 588
Overriding Bootstrap Router Updates................................................................................................................. 588
Configuring a Designated Router................................................................................................................................589
Creating Multicast Boundaries and Domains........................................................................................................... 590
Electing an RP using the BSR Mechanism................................................................................................................ 591
Chapter 38: PIM Source-Specific Mode (PIM-SSM).................................................................. 593
Implementation Information......................................................................................................................................... 593
Configure PIM-SSM.......................................................................................................................................................593
Enabling PIM-SSM..........................................................................................................................................................594
18
Contents
Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 594
Electing an RP using the BSR Mechanism............................................................................................................... 595
Enabling RP to Server Specific Multicast Groups.............................................................................................597
Chapter 39: Power over Ethernet (PoE).................................................................................... 598
Configuring PoE or PoE+..............................................................................................................................................598
Enable PoE/PoE+..................................................................................................................................................... 598
Upgrading the PoE Controller................................................................................................................................599
Manage Ports using Power Priority and Power Budget..............................................................................600
Determine the Power Priority................................................................................................................................ 600
Manage Inline Power.................................................................................................................................................601
Set the Threshold Limit for the PoE Power Budget......................................................................................... 601
Manage Power Priorities..........................................................................................................................................601
Power Allocation to Ports....................................................................................................................................... 602
Power Allocation to Additional Ports................................................................................................................... 602
Manage Legacy Devices................................................................................................................................................602
Suspend Power Delivery on a Port.............................................................................................................................603
Restore Power Delivery on a Port.............................................................................................................................. 603
Display the Power Details............................................................................................................................................. 603
Chapter 40: Port Monitoring..................................................................................................... 605
Important Points to Remember...................................................................................................................................605
Port Monitoring...............................................................................................................................................................606
Configuring Port Monitoring........................................................................................................................................ 608
Configuring Monitor Multicast Queue....................................................................................................................... 609
Enabling Flow-Based Monitoring................................................................................................................................. 610
Remote Port Mirroring.................................................................................................................................................... 611
Remote Port Mirroring Example............................................................................................................................. 611
Configuring Remote Port Mirroring.......................................................................................................................612
Displaying Remote-Port Mirroring Configurations.............................................................................................613
Configuration procedure for Remote Port Mirroring........................................................................................ 614
Encapsulated Remote Port Monitoring...................................................................................................................... 618
ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 620
Port Monitoring on VLT................................................................................................................................................. 621
Chapter 41: Private VLANs (PVLAN).......................................................................................... 624
Private VLAN Concepts................................................................................................................................................ 624
Using the Private VLAN Commands.......................................................................................................................... 625
Configuration Task List................................................................................................................................................. 626
Creating PVLAN ports............................................................................................................................................. 626
Creating a Primary VLAN........................................................................................................................................ 626
Creating a Community VLAN................................................................................................................................. 627
Creating an Isolated VLAN......................................................................................................................................628
Private VLAN Configuration Example........................................................................................................................ 629
Inspecting the Private VLAN Configuration............................................................................................................. 630
Chapter 42: Per-VLAN Spanning Tree Plus (PVST+)..................................................................632
Protocol Overview..........................................................................................................................................................632
Implementation Information......................................................................................................................................... 633
Contents
19
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 633
Enabling PVST+...............................................................................................................................................................634
Disabling PVST+..............................................................................................................................................................634
Influencing PVST+ Root Selection............................................................................................................................. 634
Modifying Global PVST+ Parameters........................................................................................................................ 636
Modifying Interface PVST+ Parameters................................................................................................................... 636
Configuring an EdgePort...............................................................................................................................................637
PVST+ in Multi-Vendor Networks.............................................................................................................................. 638
Enabling PVST+ Extend System ID............................................................................................................................ 638
PVST+ Sample Configurations.................................................................................................................................... 639
Chapter 43: Quality of Service (QoS).........................................................................................641
Implementation Information......................................................................................................................................... 643
Port-Based QoS Configurations..................................................................................................................................643
Setting dot1p Priorities for Incoming Traffic......................................................................................................643
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................644
Configuring Port-Based Rate Policing................................................................................................................. 644
Configuring Port-Based Rate Shaping.................................................................................................................645
Policy-Based QoS Configurations...............................................................................................................................646
Classify Traffic...........................................................................................................................................................646
Create a QoS Policy................................................................................................................................................. 649
Create Policy Maps................................................................................................................................................... 651
DSCP Color Maps........................................................................................................................................................... 654
Creating a DSCP Color Map...................................................................................................................................654
Displaying DSCP Color Maps................................................................................................................................. 655
Displaying a DSCP Color Policy Configuration ................................................................................................. 655
Enabling QoS Rate Adjustment................................................................................................................................... 656
Enabling Strict-Priority Queueing............................................................................................................................... 656
Weighted Random Early Detection............................................................................................................................ 656
Creating WRED Profiles.......................................................................................................................................... 657
Applying a WRED Profile to Traffic...................................................................................................................... 657
Displaying Default and Configured WRED Profiles........................................................................................... 658
Displaying WRED Drop Statistics..........................................................................................................................658
Displaying egress–queue Statistics...................................................................................................................... 658
Pre-Calculating Available QoS CAM Space..............................................................................................................659
Configuring Weights and ECN for WRED ................................................................................................................660
Configuring WRED and ECN Attributes.....................................................................................................................661
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................662
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........................662
Classifying Incoming Packets Using ECN and Color-Marking........................................................................663
Sample configuration to mark non-ecn packets as “yellow” with single traffic class..............................664
Applying Layer 2 Match Criteria on a Layer 3 Interface....................................................................................... 665
Applying DSCP and VLAN Match Criteria on a Service Queue...........................................................................666
Classifying Incoming Packets Using ECN and Color-Marking............................................................................. 666
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................668
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class............................... 669
Sample configuration to mark non-ecn packets as “yellow” with single traffic class....................................669
Chapter 44: Routing Information Protocol (RIP)........................................................................ 671
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