Dell Networking S3100 Series User guide

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Dell EMC Configuration Guide for the S3100
Series
9.14.2.4
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Other trademarks may be trademarks of their respective owners.
2019 - 11
Rev. A00
1 About this Guide..........................................................................................................................31
Audience................................................................................................................................................................................31
Conventions.......................................................................................................................................................................... 31
Related Documents..............................................................................................................................................................31
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....................................................................................................................................... 37
Command History................................................................................................................................................................38
Filtering show Command Outputs.................................................................................................................................... 38
Multiple Users in Configuration Mode.............................................................................................................................. 40
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................................................................................................................................. 44
Configuring a Username and Password..................................................................................................................... 45
Configuring the Enable Password..................................................................................................................................... 45
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...................................................................................................48
Viewing Files...................................................................................................................................................................48
Compressing Configuration Files.................................................................................................................................49
Managing the File System...................................................................................................................................................51
Enabling Software Features on Devices Using a Command Option.............................................................................52
View Command History......................................................................................................................................................52
Upgrading Dell EMC Networking OS................................................................................................................................54
Verify Software Images Before Installation......................................................................................................................54
Using HTTP for File Transfers...........................................................................................................................................55
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................................................................................................................................................. 63
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........................................................................................................65
Enabling Secured CLI Mode...............................................................................................................................................66
Log Messages in the Internal Buffer.................................................................................................................................66
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.................................................................................................................................. 67
Display the Logging Buffer and the Logging Configuration...........................................................................................68
Configuring a UNIX Logging Facility Level.......................................................................................................................69
Synchronizing Log Messages............................................................................................................................................ 69
Enabling Timestamp on Syslog Messages........................................................................................................................70
File Transfer Services..........................................................................................................................................................73
Enabling the FTP Server...............................................................................................................................................73
Configuring FTP Server Parameters...........................................................................................................................73
Configuring FTP Client Parameters.............................................................................................................................74
Terminal Lines...................................................................................................................................................................... 74
Denying and Permitting Access to a Terminal Line................................................................................................... 74
Configuring Login Authentication for Terminal Lines................................................................................................75
Setting Timeout for EXEC Privilege Mode.......................................................................................................................76
Using Telnet to get to Another Network Device.............................................................................................................76
Lock CONFIGURATION Mode...........................................................................................................................................77
Viewing the Reason for Last System Reboot.................................................................................................................. 77
5 802.1X....................................................................................................................................... 79
Port-Authentication Process............................................................................................................................................. 80
EAP over RADIUS.......................................................................................................................................................... 81
Configuring 802.1X...............................................................................................................................................................81
Important Points to Remember.........................................................................................................................................82
Enabling 802.1X....................................................................................................................................................................82
Configuring dot1x Profile ................................................................................................................................................... 83
Configuring MAC addresses for a do1x Profile................................................................................................................84
4
Contents
Configuring the Static MAB and MAB Profile ................................................................................................................ 84
Configuring Critical VLAN ................................................................................................................................................. 85
Configuring Request Identity Re-Transmissions............................................................................................................. 86
Configuring a Quiet Period after a Failed Authentication.........................................................................................86
Forcibly Authorizing or Unauthorizing a Port...................................................................................................................87
Re-Authenticating a Port....................................................................................................................................................87
Configuring Timeouts..........................................................................................................................................................88
Configuring Dynamic VLAN Assignment with Port Authentication..............................................................................89
Guest and Authentication-Fail VLANs..............................................................................................................................90
Configuring a Guest VLAN............................................................................................................................................91
Configuring an Authentication-Fail VLAN................................................................................................................... 91
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)..........................93
Optimizing CAM Utilization During the Attachment of ACLs to VLANs......................................................................93
Guidelines for Configuring ACL VLAN Groups................................................................................................................ 93
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters................................................... 94
Configuring ACL VLAN Groups................................................................................................................................... 94
Configuring FP Blocks for VLAN Parameters............................................................................................................95
Viewing CAM Usage........................................................................................................................................................... 95
Allocating FP Blocks for VLAN Processes....................................................................................................................... 97
7 Access Control Lists (ACLs)........................................................................................................98
IP Access Control Lists (ACLs)......................................................................................................................................... 99
CAM Usage.................................................................................................................................................................... 99
Implementing ACLs on Dell EMC Networking OS................................................................................................... 100
Important Points to Remember........................................................................................................................................ 101
Configuration Task List for Route Maps....................................................................................................................101
Configuring Match Routes..........................................................................................................................................103
Configuring Set Conditions.........................................................................................................................................104
Configure a Route Map for Route Redistribution....................................................................................................105
Configure a Route Map for Route Tagging.............................................................................................................. 105
Continue Clause........................................................................................................................................................... 106
IP Fragment Handling........................................................................................................................................................106
IP Fragments ACL Examples...................................................................................................................................... 106
Layer 4 ACL Rules Examples...................................................................................................................................... 107
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................................................................................................................................ 111
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)........................................................................................................ 114
IP Prefix Lists.......................................................................................................................................................................114
Configuration Task List for Prefix Lists......................................................................................................................115
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............................................................................................................................................... 120
Guidelines for Configuring ACL Logging.................................................................................................................... 121
Configuring ACL Logging............................................................................................................................................ 122
Flow-Based Monitoring..................................................................................................................................................... 122
Enabling Flow-Based Monitoring................................................................................................................................123
8 Bidirectional Forwarding Detection (BFD)................................................................................... 125
How BFD Works.................................................................................................................................................................125
BFD Packet Format..................................................................................................................................................... 126
BFD Sessions................................................................................................................................................................ 127
BFD Three-Way Handshake....................................................................................................................................... 128
Session State Changes................................................................................................................................................129
Important Points to Remember....................................................................................................................................... 129
Configure BFD....................................................................................................................................................................129
Configure BFD for Physical Ports..............................................................................................................................130
Configure BFD for Static Routes................................................................................................................................131
Configure BFD for IPv6 Static Routes...................................................................................................................... 134
Configure BFD for OSPF............................................................................................................................................ 136
Configure BFD for OSPFv3........................................................................................................................................ 139
Configure BFD for IS-IS...............................................................................................................................................142
Configure BFD for BGP...............................................................................................................................................144
Configure BFD for VRRP.............................................................................................................................................151
Configuring Protocol Liveness....................................................................................................................................153
9 Border Gateway Protocol (BGP).................................................................................................154
BGP IP version 4 (BGPv4) Overview..............................................................................................................................154
BGP Autonomous Systems.........................................................................................................................................154
AS4 Number Representation......................................................................................................................................156
Four-Byte AS Numbers...............................................................................................................................................158
BGP router ID............................................................................................................................................................... 158
Sessions and Peers...................................................................................................................................................... 158
Establish a Session.......................................................................................................................................................158
BGP Attributes for selecting Best Path....................................................................................................................159
Multiprotocol BGP....................................................................................................................................................... 164
BGP global and address family configuration...........................................................................................................165
Implement BGP with Dell EMC Networking OS...................................................................................................... 166
Configuration Information...........................................................................................................................................169
Basic BGP configuration tasks.........................................................................................................................................169
Prerequisite for configuring a BGP network............................................................................................................ 169
Restrictions...................................................................................................................................................................169
Enabling BGP................................................................................................................................................................169
Enabling four-byte autonomous system numbers.................................................................................................... 171
Changing a BGP router ID...........................................................................................................................................172
6
Contents
Configuring AS4 Number Representations...............................................................................................................172
Configuring a BGP peer...............................................................................................................................................173
Example-Configuring BGP routing between peers..................................................................................................174
BGP peer group............................................................................................................................................................175
Advanced BGP configuration tasks.................................................................................................................................182
Route-refresh and Soft-reconfiguration...................................................................................................................182
Aggregating Routes..................................................................................................................................................... 184
Filtering BGP.................................................................................................................................................................186
Configuring BGP Fast Fall-Over................................................................................................................................. 191
Configuring Passive Peering.......................................................................................................................................192
Enabling Graceful Restart........................................................................................................................................... 193
Redistributing Routes.................................................................................................................................................. 194
Redistributing iBGP Routes into IGP......................................................................................................................... 194
Enabling Additional Paths............................................................................................................................................197
Configuring IP Community Lists.................................................................................................................................197
Configuring an IP Extended Community List............................................................................................................198
Configure BGP attributes........................................................................................................................................... 199
Enabling Multipath.......................................................................................................................................................202
Route Reflectors......................................................................................................................................................... 203
Enabling Route Flap Dampening................................................................................................................................204
Changing BGP keepalive and hold timers................................................................................................................ 206
Setting the extended timer........................................................................................................................................ 207
Enabling or disabling BGP neighbors.........................................................................................................................207
Route Map Continue...................................................................................................................................................208
Configuring BGP Confederations..............................................................................................................................209
Configuring a BGP VRF address family....................................................................................................................209
Maintaining Existing AS Numbers During an AS Migration.....................................................................................210
Allowing an AS Number to Appear in its Own AS Path........................................................................................... 211
Enabling MBGP Configurations..................................................................................................................................212
MBGP support for IPv6...............................................................................................................................................212
Configuring IPv6 MBGP between peers...................................................................................................................212
Example-Configuring IPv4 and IPv6 neighbors........................................................................................................213
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor............................................. 215
BGP Regular Expression Optimization.......................................................................................................................217
Debugging BGP............................................................................................................................................................ 217
10 Content Addressable Memory (CAM)........................................................................................ 219
CAM Allocation...................................................................................................................................................................219
Test CAM Usage...............................................................................................................................................................220
View CAM-ACL Settings.................................................................................................................................................. 221
View CAM Usage.............................................................................................................................................................. 222
Configuring CAM Threshold and Silence Period........................................................................................................... 223
CAM Optimization.............................................................................................................................................................224
Troubleshoot CAM Profiling.............................................................................................................................................224
QoS CAM Region Limitation...................................................................................................................................... 224
11 Control Plane Policing (CoPP).................................................................................................. 226
Configure Control Plane Policing.....................................................................................................................................227
Configuring CoPP for Protocols................................................................................................................................228
Contents
7
Configuring CoPP for CPU Queues..........................................................................................................................229
CoPP for OSPFv3 Packets........................................................................................................................................230
Configuring CoPP for OSPFv3..................................................................................................................................232
Displaying CoPP Configuration .................................................................................................................................233
12 Dynamic Host Configuration Protocol (DHCP)...........................................................................235
DHCP Packet Format and Options.................................................................................................................................235
Assign an IP Address using DHCP.................................................................................................................................. 236
Implementation Information............................................................................................................................................. 237
Configure the System to be a DHCP Server.................................................................................................................238
Configuring the Server for Automatic Address Allocation..................................................................................... 238
Specifying a Default Gateway....................................................................................................................................239
Configure a Method of Hostname Resolution.........................................................................................................239
Using DNS for Address Resolution........................................................................................................................... 239
Using NetBIOS WINS for Address Resolution.........................................................................................................240
Creating Manual Binding Entries............................................................................................................................... 240
Debugging the DHCP Server.....................................................................................................................................240
Using DHCP Clear Commands.................................................................................................................................. 240
Configure the System to be a Relay Agent.................................................................................................................... 241
Configure the System to be a DHCP Client.................................................................................................................. 242
Configuring the DHCP Client System.......................................................................................................................242
DHCP Client on a Management Interface................................................................................................................243
DHCP Client Operation with Other Features.......................................................................................................... 244
DHCP Relay When DHCP Server and Client are in Different VRFs...........................................................................245
Configuring Route Leaking between VRFs on DHCP Relay Agent...................................................................... 245
Non-default VRF configuration for DHCPv6 helper address...................................................................................... 246
Configuring DHCP relay source interface......................................................................................................................246
Global DHCP relay source IPv4 or IPv6 configuration .......................................................................................... 246
Interface level DHCP relay source IPv4 or IPv6 configuration .............................................................................247
Configure the System for User Port Stacking (Option 230)...................................................................................... 248
Configure Secure DHCP.................................................................................................................................................. 248
Option 82 (DHCPv4 relay options)...........................................................................................................................248
DHCPv6 relay agent options......................................................................................................................................249
DHCP Snooping...........................................................................................................................................................249
Drop DHCP Packets on Snooped VLANs Only....................................................................................................... 253
Dynamic ARP Inspection............................................................................................................................................ 254
Configuring Dynamic ARP Inspection.......................................................................................................................254
Source Address Validation............................................................................................................................................... 255
Enabling IP Source Address Validation..................................................................................................................... 255
DHCP MAC Source Address Validation................................................................................................................... 256
Enabling IP+MAC Source Address Validation..........................................................................................................256
Viewing the Number of SAV Dropped Packets.......................................................................................................257
Clearing the Number of SAV Dropped Packets...................................................................................................... 257
13 Equal Cost Multi-Path (ECMP).................................................................................................258
ECMP for Flow-Based Affinity........................................................................................................................................258
Configuring the Hash Algorithm................................................................................................................................258
Enabling Deterministic ECMP Next Hop..................................................................................................................258
Configuring the Hash Algorithm Seed...................................................................................................................... 258
8
Contents
Link Bundle Monitoring.....................................................................................................................................................259
Managing ECMP Group Paths.................................................................................................................................. 259
Creating an ECMP Group Bundle............................................................................................................................. 260
Modifying the ECMP Group Threshold....................................................................................................................260
14 FIPS Cryptography.................................................................................................................. 261
Configuration Tasks...........................................................................................................................................................261
Preparing the System........................................................................................................................................................261
Enabling FIPS Mode...........................................................................................................................................................261
Generating Host-Keys...................................................................................................................................................... 262
Monitoring FIPS Mode Status.........................................................................................................................................262
Disabling FIPS Mode......................................................................................................................................................... 263
15 Force10 Resilient Ring Protocol (FRRP).................................................................................... 264
Protocol Overview............................................................................................................................................................ 264
Ring Status...................................................................................................................................................................265
Multiple FRRP Rings................................................................................................................................................... 265
Important FRRP Points.............................................................................................................................................. 266
Important FRRP Concepts.........................................................................................................................................267
Implementing FRRP.......................................................................................................................................................... 267
FRRP Configuration..........................................................................................................................................................268
Creating the FRRP Group.......................................................................................................................................... 268
Configuring the Control VLAN...................................................................................................................................268
Configuring and Adding the Member VLANs.......................................................................................................... 269
Setting the FRRP Timers............................................................................................................................................270
Clearing the FRRP Counters......................................................................................................................................270
Viewing the FRRP Configuration...............................................................................................................................270
Viewing the FRRP Information.................................................................................................................................. 270
Troubleshooting FRRP...................................................................................................................................................... 271
Sample Configuration and Topology................................................................................................................................271
16 GARP VLAN Registration Protocol (GVRP)................................................................................273
Configure GVRP................................................................................................................................................................ 274
Enabling GVRP Globally.................................................................................................................................................... 274
Enabling GVRP on a Layer 2 Interface........................................................................................................................... 275
Configure GVRP Registration..........................................................................................................................................275
Configure a GARP Timer..................................................................................................................................................276
RPM Redundancy............................................................................................................................................................. 276
17 High Availability (HA)...............................................................................................................277
Component Redundancy.................................................................................................................................................. 277
Automatic and Manual Stack Unit Failover.............................................................................................................. 277
Synchronization between Management and Standby Units..................................................................................278
Forcing a Stack Unit Failover..................................................................................................................................... 278
Disabling Auto-Reboot................................................................................................................................................ 278
Pre-Configuring a Stack Unit Slot...................................................................................................................................279
Removing a Provisioned Logical Stack Unit...................................................................................................................279
Hitless Behavior................................................................................................................................................................. 279
Graceful Restart................................................................................................................................................................280
Contents
9
Software Resiliency.......................................................................................................................................................... 280
Software Component Health Monitoring.................................................................................................................280
System Health Monitoring......................................................................................................................................... 280
Failure and Event Logging..........................................................................................................................................280
Hot-Lock Behavior.............................................................................................................................................................281
18 Internet Group Management Protocol (IGMP)........................................................................... 282
IGMP Protocol Overview................................................................................................................................................. 282
IGMP Version 2............................................................................................................................................................282
IGMP Version 3............................................................................................................................................................283
Configure IGMP.................................................................................................................................................................286
Viewing IGMP Enabled Interfaces...................................................................................................................................286
Selecting an IGMP Version...............................................................................................................................................287
Viewing IGMP Groups...................................................................................................................................................... 288
Adjusting Timers................................................................................................................................................................288
Adjusting Query and Response Timers.....................................................................................................................288
Preventing a Host from Joining a Group........................................................................................................................289
Enabling IGMP Immediate-Leave.....................................................................................................................................291
IGMP Snooping..................................................................................................................................................................292
Configuring IGMP Snooping...................................................................................................................................... 292
Removing a Group-Port Association........................................................................................................................ 292
Disabling Multicast Flooding.......................................................................................................................................293
Specifying a Port as Connected to a Multicast Router..........................................................................................293
Configuring the Switch as Querier............................................................................................................................293
Fast Convergence after MSTP Topology Changes......................................................................................................294
Egress Interface Selection (EIS) for HTTP and IGMP Applications...........................................................................294
Designating a Multicast Router Interface...................................................................................................................... 300
19 Interfaces............................................................................................................................... 301
Interface Types..................................................................................................................................................................302
Optional Modules.............................................................................................................................................................. 302
View Basic Interface Information.................................................................................................................................... 302
Resetting an Interface to its Factory Default State..................................................................................................... 304
Enabling Energy Efficient Ethernet.................................................................................................................................304
View EEE Information.......................................................................................................................................................304
Clear EEE Counters.......................................................................................................................................................... 308
Enabling a Physical Interface...........................................................................................................................................309
Physical Interfaces............................................................................................................................................................309
Configuration Task List for Physical Interfaces.......................................................................................................309
Overview of Layer Modes...........................................................................................................................................310
Configuring Layer 2 (Data Link) Mode......................................................................................................................310
Configuring Layer 2 (Interface) Mode...................................................................................................................... 310
Configuring Layer 3 (Network) Mode........................................................................................................................311
Configuring Layer 3 (Interface) Mode....................................................................................................................... 311
Automatic recovery of an Err-disabled interface...........................................................................................................312
Configuring an automatic recovery for an Err-disabled interface..........................................................................312
Egress Interface Selection (EIS)......................................................................................................................................313
Configuring EIS.............................................................................................................................................................313
Management Interfaces....................................................................................................................................................313
10
Contents
Configuring Management Interfaces.........................................................................................................................313
Configuring a Management Interface on an Ethernet Port....................................................................................315
VLAN Interfaces.................................................................................................................................................................315
Loopback Interfaces.......................................................................................................................................................... 316
Null Interfaces.................................................................................................................................................................... 316
Configuring Port Delay...................................................................................................................................................... 316
Port Channel Interfaces.................................................................................................................................................... 317
Port Channel Definition and Standards..................................................................................................................... 317
Port Channel Benefits..................................................................................................................................................317
Port Channel Implementation..................................................................................................................................... 317
Interfaces in Port Channels.........................................................................................................................................318
Configuration Tasks for Port Channel Interfaces.................................................................................................... 318
Creating a Port Channel..............................................................................................................................................318
Adding a Physical Interface to a Port Channel.........................................................................................................318
Reassigning an Interface to a New Port Channel................................................................................................... 320
Configuring the Minimum Oper Up Links in a Port Channel...................................................................................321
Adding or Removing a Port Channel from a VLAN..................................................................................................321
Assigning an IP Address to a Port Channel..............................................................................................................322
Deleting or Disabling a Port Channel.........................................................................................................................322
Load Balancing Through Port Channels................................................................................................................... 322
Load-Balancing Method............................................................................................................................................. 322
Changing the Hash Algorithm....................................................................................................................................323
Bulk Configuration.............................................................................................................................................................324
Interface Range........................................................................................................................................................... 324
Bulk Configuration Examples..................................................................................................................................... 324
Defining Interface Range Macros................................................................................................................................... 325
Define the Interface Range........................................................................................................................................326
Choosing an Interface-Range Macro........................................................................................................................326
Monitoring and Maintaining Interfaces...........................................................................................................................326
Maintenance Using TDR.............................................................................................................................................327
Link Dampening................................................................................................................................................................. 327
Enabling Link Dampening............................................................................................................................................330
Link Bundle Monitoring......................................................................................................................................................331
Using Ethernet Pause Frames for Flow Control............................................................................................................ 331
Enabling Pause Frames...............................................................................................................................................332
Configure the MTU Size on an Interface....................................................................................................................... 332
Port-Pipes.......................................................................................................................................................................... 333
Auto-Negotiation on Ethernet Interfaces...................................................................................................................... 333
Setting the Speed of Ethernet Interfaces................................................................................................................333
Set Auto-Negotiation Options...................................................................................................................................335
Provisioning Combo Ports................................................................................................................................................336
View Advanced Interface Information............................................................................................................................336
Configuring the Interface Sampling Size.................................................................................................................. 337
Configuring the Traffic Sampling Size Globally............................................................................................................. 338
Dynamic Counters.............................................................................................................................................................339
Clearing Interface Counters.......................................................................................................................................339
20 Internet Protocol Security (IPSec)........................................................................................... 341
Configuring IPSec ............................................................................................................................................................. 341
Contents
11
21 IPv4 Routing........................................................................................................................... 343
IP Addresses...................................................................................................................................................................... 344
Configuration Tasks for IP Addresses............................................................................................................................ 344
Assigning IP Addresses to an Interface.......................................................................................................................... 344
Configuring Static Routes................................................................................................................................................345
Adding description for IPv4 and IPv6 static routes................................................................................................ 346
Configure Static Routes for the Management Interface.............................................................................................346
IPv4 Path MTU Discovery Overview..............................................................................................................................347
Using the Configured Source IP Address in ICMP Messages..................................................................................... 347
Configuring the Duration to Establish a TCP Connection............................................................................................348
Enabling Directed Broadcast............................................................................................................................................348
Resolution of Host Names............................................................................................................................................... 348
Enabling Dynamic Resolution of Host Names................................................................................................................349
Specifying the Local System Domain and a List of Domains.......................................................................................349
Configuring DNS with Traceroute.................................................................................................................................. 349
ARP.....................................................................................................................................................................................350
Configuration Tasks for ARP...........................................................................................................................................350
Configuring Static ARP Entries....................................................................................................................................... 350
Enabling Proxy ARP...........................................................................................................................................................351
Clearing ARP Cache.......................................................................................................................................................... 351
ARP Learning via Gratuitous ARP....................................................................................................................................351
Enabling ARP Learning via Gratuitous ARP................................................................................................................... 352
ARP Learning via ARP Request.......................................................................................................................................352
Configuring ARP Retries.................................................................................................................................................. 353
ICMP...................................................................................................................................................................................353
Configuration Tasks for ICMP.........................................................................................................................................353
Enabling ICMP Unreachable Messages..........................................................................................................................353
ICMP Redirects................................................................................................................................................................. 354
UDP Helper........................................................................................................................................................................ 354
Enabling UDP Helper........................................................................................................................................................ 355
Configuring a Broadcast Address................................................................................................................................... 355
Configurations Using UDP Helper...................................................................................................................................356
UDP Helper with Broadcast-All Addresses....................................................................................................................356
UDP Helper with Subnet Broadcast Addresses............................................................................................................ 357
UDP Helper with Configured Broadcast Addresses..................................................................................................... 357
UDP Helper with No Configured Broadcast Addresses...............................................................................................358
Troubleshooting UDP Helper...........................................................................................................................................358
22 IPv6 Routing.......................................................................................................................... 359
Protocol Overview............................................................................................................................................................ 359
Extended Address Space........................................................................................................................................... 359
Stateless Autoconfiguration.......................................................................................................................................359
IPv6 Headers............................................................................................................................................................... 360
IPv6 Header Fields...................................................................................................................................................... 360
Extension Header Fields............................................................................................................................................. 362
Addressing....................................................................................................................................................................363
Implementing IPv6 with Dell EMC Networking OS.......................................................................................................363
ICMPv6.............................................................................................................................................................................. 365
12
Contents
Path MTU discovery.........................................................................................................................................................365
IPv6 Neighbor Discovery..................................................................................................................................................366
IPv6 Neighbor Discovery of MTU Packets.............................................................................................................. 367
Configuration Task List for IPv6 RDNSS....................................................................................................................... 367
Configuring the IPv6 Recursive DNS Server........................................................................................................... 367
Debugging IPv6 RDNSS Information Sent to the Host .........................................................................................368
Displaying IPv6 RDNSS Information......................................................................................................................... 368
Secure Shell (SSH) Over an IPv6 Transport.................................................................................................................369
Configuration Tasks for IPv6...........................................................................................................................................369
Adjusting Your CAM-Profile.......................................................................................................................................369
Assigning an IPv6 Address to an Interface...............................................................................................................370
Assigning a Static IPv6 Route....................................................................................................................................370
Configuring Telnet with IPv6...................................................................................................................................... 371
SNMP over IPv6...........................................................................................................................................................371
Displaying IPv6 Information.........................................................................................................................................371
Displaying an IPv6 Interface Information..................................................................................................................372
Showing IPv6 Routes..................................................................................................................................................372
Showing the Running-Configuration for an Interface.............................................................................................373
Clearing IPv6 Routes...................................................................................................................................................374
Disabling ND Entry Timeout....................................................................................................................................... 374
Configuring IPv6 RA Guard..............................................................................................................................................374
Configuring IPv6 RA Guard on an Interface.............................................................................................................376
Monitoring IPv6 RA Guard......................................................................................................................................... 376
23 iSCSI Optimization..................................................................................................................377
iSCSI Optimization Overview...........................................................................................................................................377
Monitoring iSCSI Traffic Flows..................................................................................................................................378
Application of Quality of Service to iSCSI Traffic Flows........................................................................................ 378
Information Monitored in iSCSI Traffic Flows..........................................................................................................379
Detection and Auto-Configuration for Dell EqualLogic Arrays.............................................................................. 379
Configuring Detection and Ports for Dell Compellent Arrays................................................................................380
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................. 380
Enable and Disable iSCSI Optimization.....................................................................................................................380
Default iSCSI Optimization Values...................................................................................................................................381
iSCSI Optimization Prerequisites..................................................................................................................................... 381
Configuring iSCSI Optimization........................................................................................................................................381
Displaying iSCSI Optimization Information.....................................................................................................................383
24 Intermediate System to Intermediate System........................................................................... 385
IS-IS Protocol Overview...................................................................................................................................................385
IS-IS Addressing................................................................................................................................................................ 385
Multi-Topology IS-IS.........................................................................................................................................................386
Transition Mode...........................................................................................................................................................386
Interface Support........................................................................................................................................................ 386
Adjacencies.................................................................................................................................................................. 386
Graceful Restart................................................................................................................................................................ 387
Timers............................................................................................................................................................................387
Implementation Information............................................................................................................................................. 387
Configuration Information................................................................................................................................................ 388
Contents
13
Configuration Tasks for IS-IS.....................................................................................................................................388
Configuring the Distance of a Route........................................................................................................................ 395
Changing the IS-Type.................................................................................................................................................395
Redistributing IPv4 Routes.........................................................................................................................................397
Redistributing IPv6 Routes.........................................................................................................................................397
Configuring Authentication Passwords.................................................................................................................... 398
Setting the Overload Bit.............................................................................................................................................398
Debugging IS-IS...........................................................................................................................................................399
IS-IS Metric Styles............................................................................................................................................................ 400
Configure Metric Values...................................................................................................................................................400
Maximum Values in the Routing Table..................................................................................................................... 400
Change the IS-IS Metric Style in One Level Only................................................................................................... 400
Leaks from One Level to Another............................................................................................................................. 402
Sample Configurations......................................................................................................................................................402
25 Link Aggregation Control Protocol (LACP)............................................................................... 405
Introduction to Dynamic LAGs and LACP......................................................................................................................405
Important Points to Remember.................................................................................................................................405
LACP Modes................................................................................................................................................................405
Configuring LACP Commands...................................................................................................................................406
LACP Configuration Tasks...............................................................................................................................................406
Creating a LAG............................................................................................................................................................ 406
Configuring the LAG Interfaces as Dynamic............................................................................................................407
Setting the LACP Long Timeout............................................................................................................................... 407
Monitoring and Debugging LACP..............................................................................................................................408
Shared LAG State Tracking............................................................................................................................................. 408
Configuring Shared LAG State Tracking..................................................................................................................409
Important Points about Shared LAG State Tracking...............................................................................................410
LACP Basic Configuration Example.................................................................................................................................410
Configure a LAG on ALPHA........................................................................................................................................410
26 Layer 2................................................................................................................................... 418
Manage the MAC Address Table.....................................................................................................................................418
Clearing the MAC Address Table............................................................................................................................... 418
Setting the Aging Time for Dynamic Entries............................................................................................................ 418
Configuring a Static MAC Address............................................................................................................................418
Displaying the MAC Address Table............................................................................................................................419
MAC Learning Limit........................................................................................................................................................... 419
Setting the MAC Learning Limit.................................................................................................................................419
mac learning-limit Dynamic........................................................................................................................................ 420
mac learning-limit mac-address-sticky.....................................................................................................................420
mac learning-limit station-move................................................................................................................................ 420
mac learning-limit no-station-move.......................................................................................................................... 420
Learning Limit Violation Actions................................................................................................................................. 421
Setting Station Move Violation Actions.................................................................................................................... 421
Recovering from Learning Limit and Station Move Violations............................................................................... 421
Disabling MAC Address Learning on the System....................................................................................................422
Enabling port security................................................................................................................................................. 422
NIC Teaming...................................................................................................................................................................... 422
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Configure Redundant Pairs..............................................................................................................................................423
Far-End Failure Detection................................................................................................................................................ 426
FEFD State Changes.................................................................................................................................................. 426
Configuring FEFD........................................................................................................................................................ 427
Enabling FEFD on an Interface.................................................................................................................................. 428
Debugging FEFD..........................................................................................................................................................428
27 Link Layer Discovery Protocol (LLDP).......................................................................................430
802.1AB (LLDP) Overview...............................................................................................................................................430
Protocol Data Units.....................................................................................................................................................430
Optional TLVs..................................................................................................................................................................... 431
Management TLVs.......................................................................................................................................................431
TIA-1057 (LLDP-MED) Overview................................................................................................................................... 432
TIA Organizationally Specific TLVs............................................................................................................................433
Configure LLDP................................................................................................................................................................. 436
CONFIGURATION versus INTERFACE Configurations............................................................................................... 436
Enabling LLDP....................................................................................................................................................................437
Disabling and Undoing LLDP...................................................................................................................................... 437
Enabling LLDP on Management Ports............................................................................................................................437
Disabling and Undoing LLDP on Management Ports..............................................................................................438
Advertising TLVs............................................................................................................................................................... 438
Storing and Viewing Unrecognized LLDP TLVs............................................................................................................439
Viewing the LLDP Configuration.....................................................................................................................................440
Viewing Information Advertised by Adjacent LLDP Neighbors...................................................................................440
Examples of Viewing Information Advertised by Neighbors..................................................................................440
Configuring LLDPDU Intervals.........................................................................................................................................443
Configuring LLDP Notification Interval...........................................................................................................................443
Configuring Transmit and Receive Mode.......................................................................................................................444
Configuring the Time to Live Value.................................................................................................................................444
Debugging LLDP................................................................................................................................................................445
Relevant Management Objects.......................................................................................................................................446
28 Microsoft Network Load Balancing........................................................................................... 451
Configuring a Switch for NLB ........................................................................................................................................ 452
Enabling a Switch for Multicast NLB........................................................................................................................452
29 Multicast Source Discovery Protocol (MSDP)........................................................................... 454
Anycast RP........................................................................................................................................................................ 455
Implementation Information.............................................................................................................................................456
Configure Multicast Source Discovery Protocol...........................................................................................................456
Related Configuration Tasks......................................................................................................................................456
Enable MSDP.....................................................................................................................................................................460
Manage the Source-Active Cache.................................................................................................................................. 461
Viewing the Source-Active Cache.............................................................................................................................461
Limiting the Source-Active Cache.............................................................................................................................461
Clearing the Source-Active Cache............................................................................................................................ 461
Enabling the Rejected Source-Active Cache...........................................................................................................462
Accept Source-Active Messages that Fail the RFP Check.........................................................................................462
Specifying Source-Active Messages.............................................................................................................................. 464
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15
Limiting the Source-Active Messages from a Peer......................................................................................................465
Preventing MSDP from Caching a Local Source..........................................................................................................465
Preventing MSDP from Caching a Remote Source..................................................................................................... 465
Preventing MSDP from Advertising a Local Source.................................................................................................... 466
Logging Changes in Peership States.............................................................................................................................. 467
Terminating a Peership.....................................................................................................................................................467
Clearing Peer Statistics.................................................................................................................................................... 467
Debugging MSDP..............................................................................................................................................................468
MSDP with Anycast RP................................................................................................................................................... 468
Configuring Anycast RP................................................................................................................................................... 469
Reducing Source-Active Message Flooding............................................................................................................ 470
Specifying the RP Address Used in SA Messages..................................................................................................470
MSDP Sample Configurations......................................................................................................................................... 472
30 Multicast Listener Discovery Protocol...................................................................................... 475
MLD timers.........................................................................................................................................................................478
Reducing Host Response Burstiness........................................................................................................................ 478
Configuring MLD Version................................................................................................................................................. 478
Clearing MLD groups........................................................................................................................................................ 479
Debugging MLD.................................................................................................................................................................479
Explicit Tracking.................................................................................................................................................................479
Reducing Leave Latency.................................................................................................................................................. 479
Displaying MLD groups table............................................................................................................................................479
Displaying MLD Interfaces............................................................................................................................................... 480
31 Multiple Spanning Tree Protocol (MSTP)...................................................................................481
Spanning Tree Variations................................................................................................................................................. 482
Implementation Information....................................................................................................................................... 482
Configure Multiple Spanning Tree Protocol...................................................................................................................482
Related Configuration Tasks......................................................................................................................................482
Enable Multiple Spanning Tree Globally..........................................................................................................................483
Adding and Removing Interfaces.................................................................................................................................... 483
Creating Multiple Spanning Tree Instances................................................................................................................... 483
Influencing MSTP Root Selection................................................................................................................................... 484
Interoperate with Non-Dell Bridges................................................................................................................................ 485
Changing the Region Name or Revision.........................................................................................................................485
Modifying Global Parameters.......................................................................................................................................... 485
Modifying the Interface Parameters...............................................................................................................................486
Setting STP path cost as constant.................................................................................................................................487
Configuring an EdgePort..................................................................................................................................................487
Flush MAC Addresses after a Topology Change.......................................................................................................... 488
MSTP Sample Configurations......................................................................................................................................... 488
Debugging and Verifying MSTP Configurations............................................................................................................492
32 Multicast Features..................................................................................................................494
Enabling IP Multicast........................................................................................................................................................ 494
Implementation Information.............................................................................................................................................494
Multicast Policies...............................................................................................................................................................495
IPv4 Multicast Policies................................................................................................................................................495
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Understanding Multicast Traceroute (mtrace)........................................................................................................501
Printing Multicast Traceroute (mtrace) Paths.........................................................................................................501
Supported Error Codes.............................................................................................................................................. 503
mtrace Scenarios.........................................................................................................................................................503
33 Multicast Listener Discovery Protocol...................................................................................... 509
MLD timers......................................................................................................................................................................... 512
Reducing Host Response Burstiness.........................................................................................................................512
Clearing MLD groups.........................................................................................................................................................512
Debugging MLD................................................................................................................................................................. 513
Explicit Tracking................................................................................................................................................................. 513
Reducing Leave Latency...................................................................................................................................................513
Displaying MLD groups table............................................................................................................................................ 513
Displaying MLD Interfaces................................................................................................................................................ 513
MLD Snooping....................................................................................................................................................................514
Enable MLD Snooping................................................................................................................................................. 514
Disable MLD Snooping.................................................................................................................................................514
Configure the switch as a querier..............................................................................................................................514
Specify port as connected to multicast router........................................................................................................ 515
Enable Snooping Explicit Tracking............................................................................................................................. 515
Display the MLD Snooping Table............................................................................................................................... 515
34 Object Tracking...................................................................................................................... 516
Object Tracking Overview................................................................................................................................................ 516
Track Layer 2 Interfaces............................................................................................................................................. 517
Track Layer 3 Interfaces............................................................................................................................................. 517
Track IPv4 and IPv6 Routes....................................................................................................................................... 517
Set Tracking Delays..................................................................................................................................................... 518
VRRP Object Tracking................................................................................................................................................ 519
Object Tracking Configuration......................................................................................................................................... 519
Tracking a Layer 2 Interface.......................................................................................................................................519
Tracking a Layer 3 Interface...................................................................................................................................... 520
Track an IPv4/IPv6 Route.......................................................................................................................................... 521
Displaying Tracked Objects..............................................................................................................................................524
35 Open Shortest Path First (OSPFv2 and OSPFv3)...................................................................... 526
Protocol Overview............................................................................................................................................................ 526
Autonomous System (AS) Areas.............................................................................................................................. 526
Area Types....................................................................................................................................................................527
Networks and Neighbors............................................................................................................................................528
Router Types............................................................................................................................................................... 528
Designated and Backup Designated Routers.......................................................................................................... 529
Link-State Advertisements (LSAs)...........................................................................................................................529
Router Priority and Cost.............................................................................................................................................530
OSPF with Dell EMC Networking OS............................................................................................................................. 531
Graceful Restart...........................................................................................................................................................531
Fast Convergence (OSPFv2, IPv4 Only)................................................................................................................. 532
Multi-Process OSPFv2 with VRF..............................................................................................................................532
OSPF ACK Packing.....................................................................................................................................................533
Contents
17
Setting OSPF Adjacency with Cisco Routers..........................................................................................................533
Configuration Information................................................................................................................................................ 533
Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................... 534
OSPFv3 NSSA...................................................................................................................................................................545
Configuration Task List for OSPFv3 (OSPF for IPv6).................................................................................................546
Enabling IPv6 Unicast Routing.................................................................................................................................. 546
Applying cost for OSPFv3..........................................................................................................................................547
Assigning IPv6 Addresses on an Interface............................................................................................................... 547
Assigning Area ID on an Interface............................................................................................................................. 547
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................... 547
Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................... 548
Configuring Stub Areas.............................................................................................................................................. 548
Configuring Passive-Interface................................................................................................................................... 548
Redistributing Routes................................................................................................................................................. 549
Configuring a Default Route...................................................................................................................................... 549
Enabling OSPFv3 Graceful Restart...........................................................................................................................549
OSPFv3 Authentication Using IPsec.........................................................................................................................551
Troubleshooting OSPFv3........................................................................................................................................... 557
MIB Support for OSPFv3.................................................................................................................................................557
Viewing the OSPFv3 MIB.......................................................................................................................................... 558
36 Policy-based Routing (PBR)....................................................................................................559
Overview............................................................................................................................................................................559
Implementing PBR............................................................................................................................................................ 560
Configuration Task List for Policy-based Routing........................................................................................................ 560
Create a Redirect List..................................................................................................................................................561
Create a Rule for a Redirect-list.................................................................................................................................561
Apply a Redirect-list to an Interface using a Redirect-group................................................................................ 562
Sample Configuration....................................................................................................................................................... 564
37 PIM Sparse-Mode (PIM-SM)................................................................................................... 568
Implementation Information.............................................................................................................................................568
Protocol Overview............................................................................................................................................................ 568
Requesting Multicast Traffic..................................................................................................................................... 568
Refuse Multicast Traffic.............................................................................................................................................568
Send Multicast Traffic................................................................................................................................................ 569
Configuring PIM-SM.........................................................................................................................................................569
Related Configuration Tasks......................................................................................................................................569
Enable PIM-SM................................................................................................................................................................. 569
Configuring S,G Expiry Timers......................................................................................................................................... 571
Configuring a Static Rendezvous Point..........................................................................................................................572
Overriding Bootstrap Router Updates......................................................................................................................572
Configuring a Designated Router.................................................................................................................................... 573
Creating Multicast Boundaries and Domains.................................................................................................................574
Electing an RP using the BSR Mechanism.....................................................................................................................574
38 PIM Source-Specific Mode (PIM-SSM).................................................................................... 576
Implementation Information.............................................................................................................................................576
Configure PIM-SSM......................................................................................................................................................... 576
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Contents
Enabling PIM-SSM............................................................................................................................................................ 577
Use PIM-SSM with IGMP Version 2 Hosts....................................................................................................................577
Electing an RP using the BSR Mechanism.....................................................................................................................578
Enabling RP to Server Specific Multicast Groups...................................................................................................579
39 Power over Ethernet (PoE)......................................................................................................581
Configuring PoE or PoE+..................................................................................................................................................581
Enable PoE/PoE+........................................................................................................................................................ 581
Upgrading the PoE Controller....................................................................................................................................582
Manage Ports using Power Priority and Power Budget.................................................................................... 583
Determine the Power Priority....................................................................................................................................583
Manage Inline Power...................................................................................................................................................584
Set the Threshold Limit for the PoE Power Budget...............................................................................................584
Manage Power Priorities............................................................................................................................................ 584
Power Allocation to Ports.......................................................................................................................................... 585
Power Allocation to Additional Ports........................................................................................................................ 585
Manage Legacy Devices.................................................................................................................................................. 585
Suspend Power Delivery on a Port.................................................................................................................................585
Restore Power Delivery on a Port.................................................................................................................................. 586
Display the Power Details.................................................................................................................................................586
40 Port Monitoring......................................................................................................................588
Important Points to Remember.......................................................................................................................................588
Port Monitoring................................................................................................................................................................. 588
Configuring Port Monitoring............................................................................................................................................590
Configuring Monitor Multicast Queue............................................................................................................................592
Enabling Flow-Based Monitoring.................................................................................................................................... 592
Remote Port Mirroring..................................................................................................................................................... 593
Remote Port Mirroring Example................................................................................................................................594
Configuring Remote Port Mirroring.......................................................................................................................... 594
Displaying Remote-Port Mirroring Configurations..................................................................................................596
Configuration procedure for Remote Port Mirroring..............................................................................................596
Encapsulated Remote Port Monitoring..........................................................................................................................600
ERPM Behavior on a typical Dell EMC Networking OS ..............................................................................................602
Port Monitoring on VLT................................................................................................................................................... 603
41 Private VLANs (PVLAN)...........................................................................................................606
Private VLAN Concepts...................................................................................................................................................606
Using the Private VLAN Commands...............................................................................................................................607
Configuration Task List.................................................................................................................................................... 608
Creating PVLAN ports................................................................................................................................................608
Creating a Primary VLAN........................................................................................................................................... 608
Creating a Community VLAN.................................................................................................................................... 609
Creating an Isolated VLAN..........................................................................................................................................610
Private VLAN Configuration Example.............................................................................................................................. 611
Inspecting the Private VLAN Configuration................................................................................................................... 612
42 Per-VLAN Spanning Tree Plus (PVST+).................................................................................... 614
Protocol Overview............................................................................................................................................................. 614
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19
Implementation Information..............................................................................................................................................615
Configure Per-VLAN Spanning Tree Plus.......................................................................................................................615
Enabling PVST+................................................................................................................................................................. 615
Disabling PVST+.................................................................................................................................................................615
Influencing PVST+ Root Selection.................................................................................................................................. 616
Modifying Global PVST+ Parameters..............................................................................................................................617
Modifying Interface PVST+ Parameters.........................................................................................................................618
Configuring an EdgePort...................................................................................................................................................618
PVST+ in Multi-Vendor Networks...................................................................................................................................619
Enabling PVST+ Extend System ID.................................................................................................................................619
PVST+ Sample Configurations........................................................................................................................................620
43 Quality of Service (QoS)......................................................................................................... 622
Implementation Information.............................................................................................................................................624
Port-Based QoS Configurations......................................................................................................................................624
Setting dot1p Priorities for Incoming Traffic............................................................................................................624
Honoring dot1p Priorities on Ingress Traffic............................................................................................................ 625
Configuring Port-Based Rate Policing......................................................................................................................625
Configuring Port-Based Rate Shaping..................................................................................................................... 626
Policy-Based QoS Configurations...................................................................................................................................626
Classify Traffic............................................................................................................................................................. 627
Create a QoS Policy....................................................................................................................................................629
Create Policy Maps......................................................................................................................................................631
DSCP Color Maps............................................................................................................................................................. 634
Creating a DSCP Color Map...................................................................................................................................... 634
Displaying DSCP Color Maps.....................................................................................................................................635
Displaying a DSCP Color Policy Configuration ....................................................................................................... 635
Enabling QoS Rate Adjustment.......................................................................................................................................635
Enabling Strict-Priority Queueing....................................................................................................................................636
Weighted Random Early Detection.................................................................................................................................636
Creating WRED Profiles..............................................................................................................................................637
Applying a WRED Profile to Traffic...........................................................................................................................637
Displaying Default and Configured WRED Profiles................................................................................................. 638
Displaying WRED Drop Statistics.............................................................................................................................. 638
Displaying egress–queue Statistics...........................................................................................................................638
Pre-Calculating Available QoS CAM Space................................................................................................................... 639
Configuring Weights and ECN for WRED .....................................................................................................................639
Configuring WRED and ECN Attributes..........................................................................................................................641
Guidelines for Configuring ECN for Classifying and Color-Marking Packets.............................................................641
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.................................... 642
Classifying Incoming Packets Using ECN and Color-Marking...............................................................................642
Sample configuration to mark non-ecn packets as “yellow” with single traffic class........................................ 644
Applying Layer 2 Match Criteria on a Layer 3 Interface.............................................................................................. 645
Applying DSCP and VLAN Match Criteria on a Service Queue.................................................................................. 645
Classifying Incoming Packets Using ECN and Color-Marking.....................................................................................646
Guidelines for Configuring ECN for Classifying and Color-Marking Packets............................................................ 647
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.......................................... 648
Sample configuration to mark non-ecn packets as “yellow” with single traffic class.............................................. 648
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