Dell Networking S3100 Series User guide
- Category
- Software
- Type
- User guide
This manual is also suitable for
Dell EMC Configuration Guide for the S3100
Series
9.14.2.8
September 2020
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
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Chapter 1: About this Guide......................................................................................................... 31
Audience...............................................................................................................................................................................31
Conventions.........................................................................................................................................................................31
Related Documents........................................................................................................................................................... 31
Chapter 2: Configuration Fundamentals...................................................................................... 32
Accessing the Command Line........................................................................................................................................ 32
CLI Modes........................................................................................................................................................................... 32
Navigating CLI Modes................................................................................................................................................ 34
The do Command.............................................................................................................................................................. 36
Undoing Commands..........................................................................................................................................................37
Obtaining Help....................................................................................................................................................................37
Entering and Editing Commands................................................................................................................................... 38
Command History..............................................................................................................................................................39
Filtering show Command Outputs.................................................................................................................................39
Multiple Users in Configuration Mode..........................................................................................................................40
Chapter 3: Getting Started.......................................................................................................... 41
Console Access..................................................................................................................................................................42
Serial Console............................................................................................................................................................... 42
Accessing the CLI Interface and Running Scripts Using SSH................................................................................43
Default Configuration....................................................................................................................................................... 44
Configuring a Host Name................................................................................................................................................ 44
Accessing the System Remotely................................................................................................................................... 44
Configure the Management Port IP Address........................................................................................................44
Configure a Management Route..............................................................................................................................45
Configuring a Username and Password................................................................................................................. 45
Configuring the Enable Password................................................................................................................................. 46
Configuration File Management.....................................................................................................................................46
Copy Files to and from the System........................................................................................................................ 46
Mounting an NFS File System.................................................................................................................................. 47
Save the Running-Configuration............................................................................................................................. 49
Configure the Overload Bit for a Startup Scenario.............................................................................................49
Viewing Files................................................................................................................................................................. 49
Compressing Configuration Files.............................................................................................................................50
Managing the File System...............................................................................................................................................52
Enabling Software Features on Devices Using a Command Option..................................................................... 53
View Command History................................................................................................................................................... 53
Upgrading Dell EMC Networking OS............................................................................................................................55
Verify Software Images Before Installation................................................................................................................ 55
Using HTTP for File Transfers....................................................................................................................................... 56
Chapter 4: Management.............................................................................................................. 57
Configuring Privilege Levels............................................................................................................................................57
Contents
Contents 3
Removing a Command from EXEC Mode..............................................................................................................58
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 58
Allowing Access to CONFIGURATION Mode Commands................................................................................. 58
Allowing Access to Different Modes...................................................................................................................... 58
Applying a Privilege Level to a Username............................................................................................................. 60
Applying a Privilege Level to a Terminal Line....................................................................................................... 60
Configuring Logging......................................................................................................................................................... 60
Audit and Security Logs.............................................................................................................................................60
Configuring Logging Format .............................................................................................................................62
Display the Logging Buffer and the Logging Configuration..............................................................................62
Setting Up a Secure Connection to a Syslog Server.................................................................................63
Sending System Messages to a Syslog Server.................................................................................................... 64
Track Login Activity..........................................................................................................................................................64
Restrictions for Tracking Login Activity................................................................................................................ 64
Configuring Login Activity Tracking........................................................................................................................64
Display Login Statistics.............................................................................................................................................. 65
Limit Concurrent Login Sessions...................................................................................................................................66
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 66
Configuring Concurrent Session Limit....................................................................................................................67
Enabling the System to Clear Existing Sessions.................................................................................................. 67
Enabling Secured CLI Mode............................................................................................................................................68
Log Messages in the Internal Buffer............................................................................................................................ 68
Disabling System Logging............................................................................................................................................... 68
Sending System Messages to a Syslog Server..........................................................................................................69
Configuring a UNIX System as a Syslog Server...................................................................................................69
Changing System Logging Settings..............................................................................................................................69
Display the Logging Buffer and the Logging Configuration....................................................................................70
Configuring a UNIX Logging Facility Level..................................................................................................................70
Synchronizing Log Messages.......................................................................................................................................... 71
Enabling Timestamp on Syslog Messages................................................................................................................... 72
File Transfer Services.......................................................................................................................................................74
Enabling the FTP Server............................................................................................................................................75
Configuring FTP Server Parameters.......................................................................................................................75
Configuring FTP Client Parameters........................................................................................................................ 76
Terminal Lines.....................................................................................................................................................................76
Denying and Permitting Access to a Terminal Line............................................................................................. 76
Configuring Login Authentication for Terminal Lines..........................................................................................77
Setting Timeout for EXEC Privilege Mode..................................................................................................................78
Using Telnet to get to Another Network Device....................................................................................................... 78
Lock CONFIGURATION Mode........................................................................................................................................79
Viewing the Reason for Last System Reboot............................................................................................................ 80
Chapter 5: 802.1X........................................................................................................................ 81
Port-Authentication Process..........................................................................................................................................82
EAP over RADIUS........................................................................................................................................................83
Configuring 802.1X............................................................................................................................................................84
Important Points to Remember..................................................................................................................................... 84
Enabling 802.1X................................................................................................................................................................. 85
Configuring dot1x Profile ................................................................................................................................................86
Configuring MAC addresses for a do1x Profile.......................................................................................................... 86
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Contents
Configuring the Static MAB and MAB Profile ...........................................................................................................87
Configuring Critical VLAN .............................................................................................................................................. 88
Configuring Request Identity Re-Transmissions........................................................................................................88
Configuring a Quiet Period after a Failed Authentication..................................................................................89
Forcibly Authorizing or Unauthorizing a Port.............................................................................................................90
Re-Authenticating a Port................................................................................................................................................ 90
Configuring Timeouts........................................................................................................................................................91
Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 92
Guest and Authentication-Fail VLANs..........................................................................................................................93
Configuring a Guest VLAN........................................................................................................................................ 94
Configuring an Authentication-Fail VLAN............................................................................................................. 94
Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 96
Optimizing CAM Utilization During the Attachment of ACLs to VLANs............................................................. 96
Guidelines for Configuring ACL VLAN Groups........................................................................................................... 97
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 97
Configuring ACL VLAN Groups................................................................................................................................ 97
Configuring FP Blocks for VLAN Parameters.......................................................................................................98
Viewing CAM Usage......................................................................................................................................................... 99
Allocating FP Blocks for VLAN Processes.................................................................................................................100
Chapter 7: Access Control Lists (ACLs)......................................................................................101
IP Access Control Lists (ACLs)....................................................................................................................................102
CAM Usage................................................................................................................................................................. 102
Implementing ACLs on Dell EMC Networking OS..............................................................................................103
Important Points to Remember....................................................................................................................................104
Configuration Task List for Route Maps..............................................................................................................105
Configuring Match Routes.......................................................................................................................................107
Configuring Set Conditions..................................................................................................................................... 108
Configure a Route Map for Route Redistribution.............................................................................................. 108
Configure a Route Map for Route Tagging......................................................................................................... 109
Continue Clause......................................................................................................................................................... 109
IP Fragment Handling......................................................................................................................................................110
IP Fragments ACL Examples....................................................................................................................................110
Layer 4 ACL Rules Examples................................................................................................................................... 110
Configure a Standard IP ACL......................................................................................................................................... 111
Configuring a Standard IP ACL Filter.....................................................................................................................112
Configure an Extended IP ACL......................................................................................................................................113
Configuring Filters with a Sequence Number...................................................................................................... 113
Configuring Filters Without a Sequence Number............................................................................................... 114
Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 114
Assign an IP ACL to an Interface..................................................................................................................................115
Applying an IP ACL...........................................................................................................................................................115
Counting ACL Hits......................................................................................................................................................116
Configure Ingress ACLs.................................................................................................................................................. 116
Configure Egress ACLs................................................................................................................................................... 117
Applying Egress Layer 3 ACLs (Control-Plane)...................................................................................................117
IP Prefix Lists.................................................................................................................................................................... 118
Configuration Task List for Prefix Lists.................................................................................................................118
Contents
5
ACL Remarks..................................................................................................................................................................... 121
Configuring a Remark............................................................................................................................................... 122
Deleting a Remark......................................................................................................................................................122
ACL Resequencing...........................................................................................................................................................123
Resequencing an ACL or Prefix List......................................................................................................................123
Route Maps.......................................................................................................................................................................124
Logging of ACL Processes............................................................................................................................................ 125
Guidelines for Configuring ACL Logging.............................................................................................................. 125
Configuring ACL Logging......................................................................................................................................... 126
Flow-Based Monitoring.................................................................................................................................................. 126
Enabling Flow-Based Monitoring............................................................................................................................128
Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 130
How BFD Works...............................................................................................................................................................130
BFD Packet Format....................................................................................................................................................131
BFD Sessions.............................................................................................................................................................. 132
BFD Three-Way Handshake.................................................................................................................................... 133
Session State Changes.............................................................................................................................................134
Important Points to Remember....................................................................................................................................134
Configure BFD.................................................................................................................................................................. 134
Configure BFD for Physical Ports..........................................................................................................................135
Configure BFD for Static Routes........................................................................................................................... 136
Configure BFD for IPv6 Static Routes................................................................................................................. 139
Configure BFD for OSPF.......................................................................................................................................... 141
Configure BFD for OSPFv3.....................................................................................................................................145
Configure BFD for IS-IS............................................................................................................................................147
Configure BFD for BGP............................................................................................................................................149
Configure BFD for VRRP......................................................................................................................................... 156
Configuring Protocol Liveness................................................................................................................................158
Chapter 9: Border Gateway Protocol (BGP)............................................................................... 159
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 159
BGP Autonomous Systems..................................................................................................................................... 159
AS4 Number Representation................................................................................................................................... 161
Four-Byte AS Numbers............................................................................................................................................ 163
BGP router ID............................................................................................................................................................. 163
Sessions and Peers....................................................................................................................................................163
Establish a Session.................................................................................................................................................... 163
BGP Attributes for selecting Best Path............................................................................................................... 164
Multiprotocol BGP..................................................................................................................................................... 169
BGP global and address family configuration......................................................................................................170
Implement BGP with Dell EMC Networking OS.................................................................................................. 171
Configuration Information........................................................................................................................................ 174
Basic BGP configuration tasks..................................................................................................................................... 175
Prerequisite for configuring a BGP network....................................................................................................... 175
Restrictions..................................................................................................................................................................175
Enabling BGP.............................................................................................................................................................. 175
Enabling four-byte autonomous system numbers..............................................................................................177
Changing a BGP router ID........................................................................................................................................178
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Contents
Configuring AS4 Number Representations..........................................................................................................178
Configuring a BGP peer............................................................................................................................................179
Example-Configuring BGP routing between peers............................................................................................180
BGP peer group...........................................................................................................................................................181
Advanced BGP configuration tasks.............................................................................................................................188
Route-refresh and Soft-reconfiguration.............................................................................................................. 188
Aggregating Routes...................................................................................................................................................190
Filtering BGP...............................................................................................................................................................192
Configuring BGP Fast Fall-Over.............................................................................................................................197
Configuring Passive Peering................................................................................................................................... 199
Enabling Graceful Restart.......................................................................................................................................200
Redistributing Routes............................................................................................................................................... 201
Redistributing iBGP Routes into IGP.....................................................................................................................201
Enabling Additional Paths........................................................................................................................................204
Configuring IP Community Lists............................................................................................................................204
Configuring an IP Extended Community List..................................................................................................... 205
Configure BGP attributes....................................................................................................................................... 206
Enabling Multipath.....................................................................................................................................................210
Route Reflectors........................................................................................................................................................210
Enabling Route Flap Dampening.............................................................................................................................212
Changing BGP keepalive and hold timers............................................................................................................ 214
Setting the extended timer..................................................................................................................................... 214
Enabling or disabling BGP neighbors.....................................................................................................................215
Route Map Continue................................................................................................................................................. 216
Configuring BGP Confederations...........................................................................................................................217
Configuring a BGP VRF address family................................................................................................................ 217
Maintaining Existing AS Numbers During an AS Migration..............................................................................218
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 219
Enabling MBGP Configurations............................................................................................................................. 220
MBGP support for IPv6...........................................................................................................................................220
Configuring IPv6 MBGP between peers............................................................................................................. 220
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 221
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor...................................223
BGP Regular Expression Optimization.................................................................................................................225
Debugging BGP......................................................................................................................................................... 225
Chapter 10: Content Addressable Memory (CAM)......................................................................227
CAM Allocation................................................................................................................................................................ 227
Test CAM Usage............................................................................................................................................................. 229
View CAM-ACL Settings...............................................................................................................................................229
View CAM Usage............................................................................................................................................................. 231
Configuring CAM Threshold and Silence Period...................................................................................................... 231
CAM Optimization...........................................................................................................................................................232
Troubleshoot CAM Profiling......................................................................................................................................... 233
QoS CAM Region Limitation...................................................................................................................................233
Chapter 11: Control Plane Policing (CoPP).................................................................................234
Configure Control Plane Policing................................................................................................................................ 235
Configuring CoPP for Protocols............................................................................................................................236
Contents
7
Configuring CoPP for CPU Queues...................................................................................................................... 237
CoPP for OSPFv3 Packets.....................................................................................................................................238
Configuring CoPP for OSPFv3............................................................................................................................... 241
Displaying CoPP Configuration .............................................................................................................................242
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 244
DHCP Packet Format and Options.............................................................................................................................244
Assign an IP Address using DHCP.............................................................................................................................. 246
Implementation Information..........................................................................................................................................246
Configure the System to be a DHCP Server............................................................................................................247
Configuring the Server for Automatic Address Allocation.............................................................................. 247
Specifying a Default Gateway................................................................................................................................248
Configure a Method of Hostname Resolution....................................................................................................249
Using DNS for Address Resolution....................................................................................................................... 249
Using NetBIOS WINS for Address Resolution....................................................................................................249
Creating Manual Binding Entries........................................................................................................................... 249
Debugging the DHCP Server................................................................................................................................. 250
Using DHCP Clear Commands...............................................................................................................................250
Configure the System to be a Relay Agent..............................................................................................................250
Configure the System to be a DHCP Client............................................................................................................. 252
Configuring the DHCP Client System.................................................................................................................. 252
DHCP Client on a Management Interface...........................................................................................................253
DHCP Client Operation with Other Features.....................................................................................................254
DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 255
Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................255
Non-default VRF configuration for DHCPv6 helper address...............................................................................256
Configuring DHCP relay source interface.................................................................................................................256
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................256
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................257
Configure the System for User Port Stacking (Option 230)............................................................................... 258
Configure Secure DHCP............................................................................................................................................... 258
Option 82 (DHCPv4 relay options).......................................................................................................................258
DHCPv6 relay agent options..................................................................................................................................259
DHCP Snooping.........................................................................................................................................................259
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 264
Dynamic ARP Inspection......................................................................................................................................... 264
Configuring Dynamic ARP Inspection...................................................................................................................264
Source Address Validation............................................................................................................................................266
Enabling IP Source Address Validation................................................................................................................ 266
DHCP MAC Source Address Validation...............................................................................................................266
Enabling IP+MAC Source Address Validation.....................................................................................................267
Viewing the Number of SAV Dropped Packets..................................................................................................267
Clearing the Number of SAV Dropped Packets.................................................................................................268
Chapter 13: Equal Cost Multi-Path (ECMP)............................................................................... 269
ECMP for Flow-Based Affinity.................................................................................................................................... 269
Configuring the Hash Algorithm............................................................................................................................ 269
Enabling Deterministic ECMP Next Hop............................................................................................................. 269
Configuring the Hash Algorithm Seed..................................................................................................................270
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Contents
Link Bundle Monitoring..................................................................................................................................................270
Managing ECMP Group Paths................................................................................................................................ 271
Creating an ECMP Group Bundle...........................................................................................................................271
Modifying the ECMP Group Threshold.................................................................................................................271
Chapter 14: FIPS Cryptography................................................................................................. 273
Configuration Tasks........................................................................................................................................................273
Preparing the System.....................................................................................................................................................273
Enabling FIPS Mode........................................................................................................................................................274
Generating Host-Keys....................................................................................................................................................274
Monitoring FIPS Mode Status......................................................................................................................................274
Disabling FIPS Mode.......................................................................................................................................................275
Chapter 15: Force10 Resilient Ring Protocol (FRRP)..................................................................276
Protocol Overview.......................................................................................................................................................... 276
Ring Status..................................................................................................................................................................277
Multiple FRRP Rings................................................................................................................................................. 277
Important FRRP Points............................................................................................................................................278
Important FRRP Concepts......................................................................................................................................279
Implementing FRRP........................................................................................................................................................ 279
FRRP Configuration....................................................................................................................................................... 280
Creating the FRRP Group.......................................................................................................................................280
Configuring the Control VLAN...............................................................................................................................280
Configuring and Adding the Member VLANs...................................................................................................... 281
Setting the FRRP Timers........................................................................................................................................ 282
Clearing the FRRP Counters.................................................................................................................................. 282
Viewing the FRRP Configuration...........................................................................................................................282
Viewing the FRRP Information.............................................................................................................................. 282
Troubleshooting FRRP...................................................................................................................................................283
Sample Configuration and Topology...........................................................................................................................283
Chapter 16: GARP VLAN Registration Protocol (GVRP)............................................................. 285
Configure GVRP..............................................................................................................................................................286
Enabling GVRP Globally.................................................................................................................................................286
Enabling GVRP on a Layer 2 Interface.......................................................................................................................287
Configure GVRP Registration...................................................................................................................................... 287
Configure a GARP Timer...............................................................................................................................................288
RPM Redundancy........................................................................................................................................................... 288
Chapter 17: High Availability (HA)............................................................................................. 289
Component Redundancy...............................................................................................................................................289
Automatic and Manual Stack Unit Failover.........................................................................................................289
Synchronization between Management and Standby Units...........................................................................290
Forcing a Stack Unit Failover.................................................................................................................................290
Disabling Auto-Reboot..............................................................................................................................................291
Pre-Configuring a Stack Unit Slot...............................................................................................................................291
Removing a Provisioned Logical Stack Unit..............................................................................................................291
Hitless Behavior............................................................................................................................................................... 291
Graceful Restart..............................................................................................................................................................292
Contents
9
Software Resiliency........................................................................................................................................................292
Software Component Health Monitoring............................................................................................................ 292
System Health Monitoring...................................................................................................................................... 292
Failure and Event Logging.......................................................................................................................................292
Hot-Lock Behavior..........................................................................................................................................................293
Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 294
IGMP Protocol Overview.............................................................................................................................................. 294
IGMP Version 2..........................................................................................................................................................294
IGMP Version 3..........................................................................................................................................................296
Configure IGMP...............................................................................................................................................................298
Viewing IGMP Enabled Interfaces.............................................................................................................................. 299
Selecting an IGMP Version...........................................................................................................................................299
Viewing IGMP Groups....................................................................................................................................................300
Adjusting Timers..............................................................................................................................................................300
Adjusting Query and Response Timers................................................................................................................ 300
Preventing a Host from Joining a Group................................................................................................................... 301
Enabling IGMP Immediate-Leave................................................................................................................................ 303
IGMP Snooping................................................................................................................................................................304
Configuring IGMP Snooping................................................................................................................................... 304
Removing a Group-Port Association.................................................................................................................... 304
Disabling Multicast Flooding...................................................................................................................................305
Specifying a Port as Connected to a Multicast Router...................................................................................305
Configuring the Switch as Querier....................................................................................................................... 305
Fast Convergence after MSTP Topology Changes................................................................................................306
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................306
Designating a Multicast Router Interface.................................................................................................................. 313
Chapter 19: Interfaces............................................................................................................... 314
Interface Types................................................................................................................................................................ 315
Optional Modules............................................................................................................................................................. 315
View Basic Interface Information.................................................................................................................................315
Resetting an Interface to its Factory Default State................................................................................................317
Enabling Energy Efficient Ethernet............................................................................................................................. 317
View EEE Information..................................................................................................................................................... 317
Clear EEE Counters........................................................................................................................................................ 322
Enabling a Physical Interface....................................................................................................................................... 322
Physical Interfaces..........................................................................................................................................................323
Configuration Task List for Physical Interfaces.................................................................................................323
Overview of Layer Modes.......................................................................................................................................323
Configuring Layer 2 (Data Link) Mode................................................................................................................ 323
Configuring Layer 2 (Interface) Mode................................................................................................................. 324
Configuring Layer 3 (Network) Mode..................................................................................................................324
Configuring Layer 3 (Interface) Mode.................................................................................................................325
Automatic recovery of an Err-disabled interface....................................................................................................325
Configuring an automatic recovery for an Err-disabled interface.................................................................326
Egress Interface Selection (EIS).................................................................................................................................326
Configuring EIS.......................................................................................................................................................... 327
Management Interfaces.................................................................................................................................................327
10
Contents
Configuring Management Interfaces....................................................................................................................327
Configuring a Management Interface on an Ethernet Port............................................................................328
VLAN Interfaces..............................................................................................................................................................329
Loopback Interfaces.......................................................................................................................................................329
Null Interfaces..................................................................................................................................................................330
Configuring Port Delay.................................................................................................................................................. 330
Port Channel Interfaces................................................................................................................................................ 330
Port Channel Definition and Standards................................................................................................................ 331
Port Channel Benefits...............................................................................................................................................331
Port Channel Implementation................................................................................................................................. 331
Interfaces in Port Channels..................................................................................................................................... 331
Configuration Tasks for Port Channel Interfaces..............................................................................................332
Creating a Port Channel.......................................................................................................................................... 332
Adding a Physical Interface to a Port Channel.................................................................................................. 332
Reassigning an Interface to a New Port Channel............................................................................................. 334
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................334
Adding or Removing a Port Channel from a VLAN........................................................................................... 335
Assigning an IP Address to a Port Channel........................................................................................................ 336
Deleting or Disabling a Port Channel....................................................................................................................336
Load Balancing Through Port Channels.............................................................................................................. 336
Load-Balancing Method...........................................................................................................................................336
Changing the Hash Algorithm................................................................................................................................ 337
Bulk Configuration.......................................................................................................................................................... 338
Interface Range......................................................................................................................................................... 338
Bulk Configuration Examples..................................................................................................................................338
Defining Interface Range Macros............................................................................................................................... 340
Define the Interface Range.................................................................................................................................... 340
Choosing an Interface-Range Macro................................................................................................................... 340
Monitoring and Maintaining Interfaces.......................................................................................................................341
Maintenance Using TDR.......................................................................................................................................... 342
Link Dampening............................................................................................................................................................... 342
Enabling Link Dampening.........................................................................................................................................345
Link Bundle Monitoring..................................................................................................................................................346
Using Ethernet Pause Frames for Flow Control......................................................................................................346
Enabling Pause Frames............................................................................................................................................ 347
Configure the MTU Size on an Interface.................................................................................................................. 347
Port-Pipes.........................................................................................................................................................................348
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 348
Setting the Speed of Ethernet Interfaces.......................................................................................................... 349
Set Auto-Negotiation Options............................................................................................................................... 350
Provisioning Combo Ports............................................................................................................................................. 351
View Advanced Interface Information....................................................................................................................... 352
Configuring the Interface Sampling Size.............................................................................................................352
Configuring the Traffic Sampling Size Globally....................................................................................................... 353
Dynamic Counters...........................................................................................................................................................354
Clearing Interface Counters................................................................................................................................... 355
Chapter 20: Internet Protocol Security (IPSec).........................................................................356
Configuring IPSec ..........................................................................................................................................................356
Contents
11
Chapter 21: IPv4 Routing...........................................................................................................358
IP Addresses.................................................................................................................................................................... 359
Configuration Tasks for IP Addresses....................................................................................................................... 359
Assigning IP Addresses to an Interface.....................................................................................................................359
Configuring Static Routes............................................................................................................................................ 360
Adding description for IPv4 and IPv6 static routes...........................................................................................361
Configure Static Routes for the Management Interface...................................................................................... 362
IPv4 Path MTU Discovery Overview..........................................................................................................................362
Using the Configured Source IP Address in ICMP Messages..............................................................................363
Configuring the Duration to Establish a TCP Connection.....................................................................................363
Enabling Directed Broadcast........................................................................................................................................363
Resolution of Host Names............................................................................................................................................ 364
Enabling Dynamic Resolution of Host Names.......................................................................................................... 364
Specifying the Local System Domain and a List of Domains............................................................................... 365
Configuring DNS with Traceroute.............................................................................................................................. 365
ARP.................................................................................................................................................................................... 366
Configuration Tasks for ARP....................................................................................................................................... 366
Configuring Static ARP Entries................................................................................................................................... 366
Enabling Proxy ARP........................................................................................................................................................367
Clearing ARP Cache....................................................................................................................................................... 367
ARP Learning via Gratuitous ARP...............................................................................................................................367
Enabling ARP Learning via Gratuitous ARP.............................................................................................................. 367
ARP Learning via ARP Request................................................................................................................................... 368
Configuring ARP Retries............................................................................................................................................... 368
ICMP.................................................................................................................................................................................. 369
Configuration Tasks for ICMP..................................................................................................................................... 369
Enabling ICMP Unreachable Messages..................................................................................................................... 369
ICMP Redirects............................................................................................................................................................... 369
UDP Helper.......................................................................................................................................................................370
Enabling UDP Helper.......................................................................................................................................................371
Configuring a Broadcast Address................................................................................................................................ 371
Configurations Using UDP Helper...............................................................................................................................372
UDP Helper with Broadcast-All Addresses............................................................................................................... 372
UDP Helper with Subnet Broadcast Addresses.......................................................................................................373
UDP Helper with Configured Broadcast Addresses............................................................................................... 373
UDP Helper with No Configured Broadcast Addresses.........................................................................................374
Troubleshooting UDP Helper........................................................................................................................................374
Chapter 22: IPv6 Routing.......................................................................................................... 375
Protocol Overview.......................................................................................................................................................... 375
Extended Address Space.........................................................................................................................................375
Stateless Autoconfiguration................................................................................................................................... 375
IPv6 Headers.............................................................................................................................................................. 376
IPv6 Header Fields.................................................................................................................................................... 377
Extension Header Fields.......................................................................................................................................... 378
Addressing...................................................................................................................................................................379
Implementing IPv6 with Dell EMC Networking OS.................................................................................................380
ICMPv6..............................................................................................................................................................................382
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Contents
Path MTU discovery.......................................................................................................................................................382
IPv6 Neighbor Discovery...............................................................................................................................................382
IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 383
Configuration Task List for IPv6 RDNSS.................................................................................................................. 383
Configuring the IPv6 Recursive DNS Server......................................................................................................383
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 384
Displaying IPv6 RDNSS Information.....................................................................................................................385
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................385
Configuration Tasks for IPv6....................................................................................................................................... 386
Adjusting Your CAM-Profile....................................................................................................................................386
Assigning an IPv6 Address to an Interface......................................................................................................... 386
Assigning a Static IPv6 Route................................................................................................................................387
Configuring Telnet with IPv6..................................................................................................................................387
SNMP over IPv6........................................................................................................................................................388
Displaying IPv6 Information.................................................................................................................................... 388
Displaying an IPv6 Interface Information............................................................................................................ 388
Showing IPv6 Routes...............................................................................................................................................389
Showing the Running-Configuration for an Interface......................................................................................390
Clearing IPv6 Routes................................................................................................................................................390
Disabling ND Entry Timeout.................................................................................................................................... 391
Configuring IPv6 RA Guard........................................................................................................................................... 391
Configuring IPv6 RA Guard on an Interface....................................................................................................... 393
Monitoring IPv6 RA Guard......................................................................................................................................393
Chapter 23: iSCSI Optimization.................................................................................................394
iSCSI Optimization Overview....................................................................................................................................... 394
Monitoring iSCSI Traffic Flows..............................................................................................................................395
Application of Quality of Service to iSCSI Traffic Flows.................................................................................395
Information Monitored in iSCSI Traffic Flows....................................................................................................396
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................396
Configuring Detection and Ports for Dell Compellent Arrays.........................................................................397
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer...........................................................397
Enable and Disable iSCSI Optimization................................................................................................................ 397
Default iSCSI Optimization Values..............................................................................................................................398
iSCSI Optimization Prerequisites................................................................................................................................ 398
Configuring iSCSI Optimization...................................................................................................................................399
Displaying iSCSI Optimization Information............................................................................................................... 400
Chapter 24: Intermediate System to Intermediate System.........................................................402
IS-IS Protocol Overview................................................................................................................................................402
IS-IS Addressing..............................................................................................................................................................402
Multi-Topology IS-IS...................................................................................................................................................... 403
Transition Mode.........................................................................................................................................................403
Interface Support......................................................................................................................................................403
Adjacencies.................................................................................................................................................................403
Graceful Restart..............................................................................................................................................................404
Timers.......................................................................................................................................................................... 404
Implementation Information......................................................................................................................................... 404
Configuration Information.............................................................................................................................................405
Contents
13
Configuration Tasks for IS-IS.................................................................................................................................405
Configuring the Distance of a Route.....................................................................................................................412
Changing the IS-Type............................................................................................................................................... 412
Redistributing IPv4 Routes......................................................................................................................................415
Redistributing IPv6 Routes......................................................................................................................................415
Configuring Authentication Passwords................................................................................................................ 416
Setting the Overload Bit.......................................................................................................................................... 416
Debugging IS-IS..........................................................................................................................................................417
IS-IS Metric Styles...........................................................................................................................................................418
Configure Metric Values................................................................................................................................................ 418
Maximum Values in the Routing Table..................................................................................................................418
Change the IS-IS Metric Style in One Level Only.............................................................................................. 418
Leaks from One Level to Another......................................................................................................................... 420
Sample Configurations...................................................................................................................................................420
Chapter 25: Link Aggregation Control Protocol (LACP)............................................................. 423
Introduction to Dynamic LAGs and LACP................................................................................................................. 423
Important Points to Remember............................................................................................................................. 423
LACP Modes...............................................................................................................................................................424
Configuring LACP Commands................................................................................................................................424
LACP Configuration Tasks............................................................................................................................................424
Creating a LAG.......................................................................................................................................................... 425
Configuring the LAG Interfaces as Dynamic...................................................................................................... 425
Setting the LACP Long Timeout........................................................................................................................... 426
Monitoring and Debugging LACP.......................................................................................................................... 426
Shared LAG State Tracking..........................................................................................................................................426
Configuring Shared LAG State Tracking............................................................................................................. 427
Important Points about Shared LAG State Tracking........................................................................................428
LACP Basic Configuration Example............................................................................................................................429
Configure a LAG on ALPHA....................................................................................................................................429
Chapter 26: Layer 2................................................................................................................... 437
Manage the MAC Address Table.................................................................................................................................437
Clearing the MAC Address Table...........................................................................................................................437
Setting the Aging Time for Dynamic Entries...................................................................................................... 437
Configuring a Static MAC Address.......................................................................................................................438
Displaying the MAC Address Table.......................................................................................................................438
MAC Learning Limit........................................................................................................................................................438
Setting the MAC Learning Limit............................................................................................................................ 439
mac learning-limit Dynamic..................................................................................................................................... 439
mac learning-limit mac-address-sticky................................................................................................................ 439
mac learning-limit station-move............................................................................................................................ 439
mac learning-limit no-station-move......................................................................................................................440
Learning Limit Violation Actions............................................................................................................................ 440
Setting Station Move Violation Actions...............................................................................................................440
Recovering from Learning Limit and Station Move Violations........................................................................441
Disabling MAC Address Learning on the System...............................................................................................441
Enabling port security.............................................................................................................................................. 442
NIC Teaming.....................................................................................................................................................................442
14
Contents
Configure Redundant Pairs...........................................................................................................................................443
Far-End Failure Detection.............................................................................................................................................446
FEFD State Changes................................................................................................................................................446
Configuring FEFD...................................................................................................................................................... 447
Enabling FEFD on an Interface.............................................................................................................................. 448
Debugging FEFD........................................................................................................................................................449
Chapter 27: Link Layer Discovery Protocol (LLDP).................................................................... 450
802.1AB (LLDP) Overview............................................................................................................................................450
Protocol Data Units.................................................................................................................................................. 450
Optional TLVs.................................................................................................................................................................. 452
Management TLVs....................................................................................................................................................452
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 453
TIA Organizationally Specific TLVs.......................................................................................................................454
Configure LLDP............................................................................................................................................................... 457
CONFIGURATION versus INTERFACE Configurations......................................................................................... 458
Enabling LLDP..................................................................................................................................................................458
Disabling and Undoing LLDP.................................................................................................................................. 458
Enabling LLDP on Management Ports.......................................................................................................................459
Disabling and Undoing LLDP on Management Ports........................................................................................459
Advertising TLVs.............................................................................................................................................................459
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 460
Viewing the LLDP Configuration..................................................................................................................................461
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................462
Examples of Viewing Information Advertised by Neighbors...........................................................................462
Configuring LLDPDU Intervals.....................................................................................................................................464
Configuring LLDP Notification Interval......................................................................................................................465
Configuring Transmit and Receive Mode..................................................................................................................465
Configuring the Time to Live Value............................................................................................................................ 466
Debugging LLDP..............................................................................................................................................................467
Relevant Management Objects................................................................................................................................... 468
Chapter 28: Microsoft Network Load Balancing......................................................................... 472
Configuring a Switch for NLB .....................................................................................................................................473
Enabling a Switch for Multicast NLB....................................................................................................................474
Chapter 29: Multicast Source Discovery Protocol (MSDP)........................................................ 475
Anycast RP....................................................................................................................................................................... 476
Implementation Information..........................................................................................................................................477
Configure Multicast Source Discovery Protocol......................................................................................................477
Related Configuration Tasks...................................................................................................................................477
Enable MSDP.................................................................................................................................................................... 481
Manage the Source-Active Cache..............................................................................................................................482
Viewing the Source-Active Cache........................................................................................................................ 482
Limiting the Source-Active Cache........................................................................................................................ 482
Clearing the Source-Active Cache........................................................................................................................483
Enabling the Rejected Source-Active Cache..................................................................................................... 483
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 483
Specifying Source-Active Messages..........................................................................................................................486
Contents
15
Limiting the Source-Active Messages from a Peer................................................................................................ 487
Preventing MSDP from Caching a Local Source.....................................................................................................487
Preventing MSDP from Caching a Remote Source................................................................................................488
Preventing MSDP from Advertising a Local Source.............................................................................................. 488
Logging Changes in Peership States......................................................................................................................... 489
Terminating a Peership..................................................................................................................................................489
Clearing Peer Statistics................................................................................................................................................. 489
Debugging MSDP............................................................................................................................................................490
MSDP with Anycast RP.................................................................................................................................................490
Configuring Anycast RP.................................................................................................................................................491
Reducing Source-Active Message Flooding....................................................................................................... 492
Specifying the RP Address Used in SA Messages............................................................................................ 492
MSDP Sample Configurations......................................................................................................................................494
Chapter 30: Multicast Listener Discovery Protocol.................................................................... 497
MLD timers.......................................................................................................................................................................500
Reducing Host Response Burstiness................................................................................................................... 500
Configuring MLD Version...............................................................................................................................................501
Clearing MLD groups...................................................................................................................................................... 501
Debugging MLD............................................................................................................................................................... 501
Explicit Tracking...............................................................................................................................................................501
Reducing Leave Latency................................................................................................................................................501
Displaying MLD groups table........................................................................................................................................502
Displaying MLD Interfaces............................................................................................................................................502
Chapter 31: Multiple Spanning Tree Protocol (MSTP)............................................................... 503
Spanning Tree Variations..............................................................................................................................................504
Implementation Information....................................................................................................................................504
Configure Multiple Spanning Tree Protocol............................................................................................................. 504
Related Configuration Tasks.................................................................................................................................. 504
Enable Multiple Spanning Tree Globally.................................................................................................................... 505
Adding and Removing Interfaces................................................................................................................................505
Creating Multiple Spanning Tree Instances..............................................................................................................505
Influencing MSTP Root Selection...............................................................................................................................506
Interoperate with Non-Dell Bridges............................................................................................................................507
Changing the Region Name or Revision.................................................................................................................... 507
Modifying Global Parameters.......................................................................................................................................507
Modifying the Interface Parameters.......................................................................................................................... 508
Setting STP path cost as constant............................................................................................................................ 509
Configuring an EdgePort............................................................................................................................................... 510
Flush MAC Addresses after a Topology Change..................................................................................................... 510
MSTP Sample Configurations....................................................................................................................................... 511
Debugging and Verifying MSTP Configurations.......................................................................................................514
Chapter 32: Multicast Features..................................................................................................516
Enabling IP Multicast...................................................................................................................................................... 516
Implementation Information.......................................................................................................................................... 516
Multicast Policies............................................................................................................................................................. 517
IPv4 Multicast Policies..............................................................................................................................................517
16
Contents
Understanding Multicast Traceroute (mtrace)..................................................................................................523
Printing Multicast Traceroute (mtrace) Paths.................................................................................................. 524
Supported Error Codes............................................................................................................................................525
mtrace Scenarios...................................................................................................................................................... 526
Chapter 33: Multicast Listener Discovery Protocol.................................................................... 532
MLD timers.......................................................................................................................................................................535
Reducing Host Response Burstiness....................................................................................................................535
Clearing MLD groups..................................................................................................................................................... 536
Debugging MLD...............................................................................................................................................................536
Explicit Tracking..............................................................................................................................................................536
Reducing Leave Latency............................................................................................................................................... 536
Displaying MLD groups table........................................................................................................................................536
Displaying MLD Interfaces............................................................................................................................................ 537
MLD Snooping................................................................................................................................................................. 537
Enable MLD Snooping.............................................................................................................................................. 537
Disable MLD Snooping............................................................................................................................................. 537
Configure the switch as a querier.........................................................................................................................538
Specify port as connected to multicast router..................................................................................................538
Enable Snooping Explicit Tracking........................................................................................................................ 538
Display the MLD Snooping Table.......................................................................................................................... 538
Chapter 34: Object Tracking......................................................................................................539
Object Tracking Overview............................................................................................................................................ 539
Track Layer 2 Interfaces......................................................................................................................................... 540
Track Layer 3 Interfaces......................................................................................................................................... 540
Track IPv4 and IPv6 Routes....................................................................................................................................541
Set Tracking Delays..................................................................................................................................................542
VRRP Object Tracking............................................................................................................................................. 542
Object Tracking Configuration.....................................................................................................................................542
Tracking a Layer 2 Interface.................................................................................................................................. 542
Tracking a Layer 3 Interface.................................................................................................................................. 543
Track an IPv4/IPv6 Route...................................................................................................................................... 544
Displaying Tracked Objects.......................................................................................................................................... 547
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 550
Protocol Overview..........................................................................................................................................................550
Autonomous System (AS) Areas...........................................................................................................................550
Area Types...................................................................................................................................................................551
Networks and Neighbors.........................................................................................................................................552
Router Types..............................................................................................................................................................552
Designated and Backup Designated Routers..................................................................................................... 553
Link-State Advertisements (LSAs).......................................................................................................................553
Router Priority and Cost......................................................................................................................................... 554
OSPF with Dell EMC Networking OS........................................................................................................................ 555
Graceful Restart........................................................................................................................................................555
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 556
Multi-Process OSPFv2 with VRF..........................................................................................................................557
OSPF ACK Packing...................................................................................................................................................557
Contents
17
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 557
Configuration Information.............................................................................................................................................558
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................558
OSPFv3 NSSA................................................................................................................................................................. 570
Configuration Task List for OSPFv3 (OSPF for IPv6)........................................................................................... 571
Enabling IPv6 Unicast Routing................................................................................................................................571
Applying cost for OSPFv3....................................................................................................................................... 571
Assigning IPv6 Addresses on an Interface..........................................................................................................572
Assigning Area ID on an Interface......................................................................................................................... 572
Assigning OSPFv3 Process ID and Router ID Globally..................................................................................... 572
Assigning OSPFv3 Process ID and Router ID to a VRF................................................................................... 573
Configuring Stub Areas............................................................................................................................................573
Configuring Passive-Interface................................................................................................................................573
Redistributing Routes...............................................................................................................................................574
Configuring a Default Route................................................................................................................................... 574
Enabling OSPFv3 Graceful Restart.......................................................................................................................574
OSPFv3 Authentication Using IPsec.................................................................................................................... 576
Troubleshooting OSPFv3........................................................................................................................................ 582
MIB Support for OSPFv3..............................................................................................................................................583
Viewing the OSPFv3 MIB........................................................................................................................................583
Chapter 36: Policy-based Routing (PBR)...................................................................................585
Overview...........................................................................................................................................................................585
Implementing PBR.......................................................................................................................................................... 586
Configuration Task List for Policy-based Routing.................................................................................................. 586
Create a Redirect List.............................................................................................................................................. 587
Create a Rule for a Redirect-list............................................................................................................................587
Apply a Redirect-list to an Interface using a Redirect-group........................................................................ 589
Sample Configuration.................................................................................................................................................... 590
Chapter 37: PIM Sparse-Mode (PIM-SM).................................................................................. 594
Implementation Information......................................................................................................................................... 594
Protocol Overview..........................................................................................................................................................594
Requesting Multicast Traffic..................................................................................................................................594
Refuse Multicast Traffic......................................................................................................................................... 595
Send Multicast Traffic............................................................................................................................................. 595
Configuring PIM-SM...................................................................................................................................................... 595
Related Configuration Tasks.................................................................................................................................. 596
Enable PIM-SM............................................................................................................................................................... 596
Configuring S,G Expiry Timers.....................................................................................................................................598
Configuring a Static Rendezvous Point.................................................................................................................... 598
Overriding Bootstrap Router Updates.................................................................................................................599
Configuring a Designated Router................................................................................................................................599
Creating Multicast Boundaries and Domains............................................................................................................ 601
Electing an RP using the BSR Mechanism................................................................................................................ 601
Chapter 38: PIM Source-Specific Mode (PIM-SSM).................................................................. 603
Implementation Information......................................................................................................................................... 603
Configure PIM-SSM.......................................................................................................................................................603
18
Contents
Enabling PIM-SSM..........................................................................................................................................................604
Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 604
Electing an RP using the BSR Mechanism............................................................................................................... 605
Enabling RP to Server Specific Multicast Groups.............................................................................................607
Chapter 39: Power over Ethernet (PoE).................................................................................... 608
Configuring PoE or PoE+..............................................................................................................................................608
Enable PoE/PoE+..................................................................................................................................................... 608
Upgrading the PoE Controller................................................................................................................................609
Manage Ports using Power Priority and Power Budget.............................................................................. 610
Determine the Power Priority.................................................................................................................................610
Manage Inline Power..................................................................................................................................................611
Set the Threshold Limit for the PoE Power Budget.......................................................................................... 611
Manage Power Priorities...........................................................................................................................................611
Power Allocation to Ports........................................................................................................................................612
Power Allocation to Additional Ports.................................................................................................................... 612
Manage Legacy Devices................................................................................................................................................ 612
Suspend Power Delivery on a Port..............................................................................................................................613
Restore Power Delivery on a Port............................................................................................................................... 613
Display the Power Details.............................................................................................................................................. 613
Chapter 40: Port Monitoring...................................................................................................... 615
Important Points to Remember....................................................................................................................................615
Port Monitoring................................................................................................................................................................616
Configuring Port Monitoring......................................................................................................................................... 618
Configuring Monitor Multicast Queue........................................................................................................................ 619
Enabling Flow-Based Monitoring................................................................................................................................ 620
Remote Port Mirroring................................................................................................................................................... 621
Remote Port Mirroring Example.............................................................................................................................621
Configuring Remote Port Mirroring......................................................................................................................622
Displaying Remote-Port Mirroring Configurations............................................................................................623
Configuration procedure for Remote Port Mirroring....................................................................................... 624
Encapsulated Remote Port Monitoring..................................................................................................................... 628
ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 630
Port Monitoring on VLT................................................................................................................................................. 631
Chapter 41: Private VLANs (PVLAN).......................................................................................... 634
Private VLAN Concepts................................................................................................................................................ 634
Using the Private VLAN Commands.......................................................................................................................... 635
Configuration Task List................................................................................................................................................. 636
Creating PVLAN ports............................................................................................................................................. 636
Creating a Primary VLAN........................................................................................................................................ 636
Creating a Community VLAN................................................................................................................................. 637
Creating an Isolated VLAN......................................................................................................................................638
Private VLAN Configuration Example........................................................................................................................ 639
Inspecting the Private VLAN Configuration............................................................................................................. 640
Chapter 42: Per-VLAN Spanning Tree Plus (PVST+)..................................................................642
Protocol Overview..........................................................................................................................................................642
Contents
19
Implementation Information..........................................................................................................................................643
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 644
Enabling PVST+...............................................................................................................................................................644
Disabling PVST+..............................................................................................................................................................644
Influencing PVST+ Root Selection............................................................................................................................. 645
Modifying Global PVST+ Parameters........................................................................................................................ 646
Modifying Interface PVST+ Parameters................................................................................................................... 646
Configuring an EdgePort...............................................................................................................................................647
PVST+ in Multi-Vendor Networks.............................................................................................................................. 648
Enabling PVST+ Extend System ID............................................................................................................................ 648
PVST+ Sample Configurations.................................................................................................................................... 649
Chapter 43: Quality of Service (QoS).........................................................................................651
Implementation Information......................................................................................................................................... 653
Port-Based QoS Configurations..................................................................................................................................653
Setting dot1p Priorities for Incoming Traffic......................................................................................................653
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................654
Configuring Port-Based Rate Policing................................................................................................................. 654
Configuring Port-Based Rate Shaping.................................................................................................................655
Policy-Based QoS Configurations...............................................................................................................................656
Classify Traffic...........................................................................................................................................................656
Create a QoS Policy................................................................................................................................................. 659
Create Policy Maps................................................................................................................................................... 661
DSCP Color Maps........................................................................................................................................................... 664
Creating a DSCP Color Map...................................................................................................................................664
Displaying DSCP Color Maps................................................................................................................................. 665
Displaying a DSCP Color Policy Configuration ................................................................................................. 665
Enabling QoS Rate Adjustment................................................................................................................................... 666
Enabling Strict-Priority Queueing............................................................................................................................... 666
Weighted Random Early Detection.............................................................................................................................667
Creating WRED Profiles...........................................................................................................................................667
Applying a WRED Profile to Traffic...................................................................................................................... 668
Displaying Default and Configured WRED Profiles........................................................................................... 668
Displaying WRED Drop Statistics..........................................................................................................................668
Displaying egress–queue Statistics...................................................................................................................... 669
Pre-Calculating Available QoS CAM Space..............................................................................................................669
Configuring Weights and ECN for WRED ................................................................................................................670
Configuring WRED and ECN Attributes..................................................................................................................... 671
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................................... 672
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........................673
Classifying Incoming Packets Using ECN and Color-Marking........................................................................673
Sample configuration to mark non-ecn packets as “yellow” with single traffic class.............................. 674
Applying Layer 2 Match Criteria on a Layer 3 Interface........................................................................................676
Applying DSCP and VLAN Match Criteria on a Service Queue........................................................................... 676
Classifying Incoming Packets Using ECN and Color-Marking..............................................................................677
Guidelines for Configuring ECN for Classifying and Color-Marking Packets................................................... 678
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class................................679
Sample configuration to mark non-ecn packets as “yellow” with single traffic class....................................679
20
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Dell Networking S3100 Series User guide
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- Software
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- User guide
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