Dell Configuration Guide for the S4810
System
9.7(0.0)
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you
how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and
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2015 - 02
Rev. A00
Contents
1 About this Guide................................................................................................. 36
Audience..............................................................................................................................................36
Conventions........................................................................................................................................ 36
Related Documents............................................................................................................................ 36
2 Configuration Fundamentals............................................................................37
Accessing the Command Line............................................................................................................37
CLI Modes............................................................................................................................................37
Navigating CLI Modes................................................................................................................... 39
The do Command...............................................................................................................................42
Undoing Commands...........................................................................................................................43
Obtaining Help....................................................................................................................................44
Entering and Editing Commands....................................................................................................... 44
Command History...............................................................................................................................45
Filtering show Command Outputs.....................................................................................................45
Multiple Users in Configuration Mode............................................................................................... 47
3 Getting Started................................................................................................... 48
Console Access...................................................................................................................................48
Serial Console................................................................................................................................48
Accessing the CLI Interface and Running Scripts Using SSH............................................................49
Entering CLI commands Using an SSH Connection................................................................... 50
Executing Local CLI Scripts Using an SSH Connection...............................................................50
Default Configuration..........................................................................................................................51
Configuring a Host Name................................................................................................................... 51
Accessing the System Remotely.........................................................................................................51
Accessing the System Remotely................................................................................................... 51
Configure the Management Port IP Address................................................................................51
Configure a Management Route.................................................................................................. 52
Configuring a Username and Password.......................................................................................52
Configuring the Enable Password...................................................................................................... 52
Configuration File Management.........................................................................................................53
Copy Files to and from the System.............................................................................................. 53
Mounting an NFS File System....................................................................................................... 54
Save the Running-Configuration..................................................................................................56
Configure the Overload Bit for a Startup Scenario......................................................................56
Viewing Files.................................................................................................................................. 56
Compressing Configuration Files................................................................................................. 58
Managing the File System................................................................................................................... 61
Enabling Software Features on Devices Using a Command Option.................................................61
View Command History......................................................................................................................62
Upgrading Dell Networking OS.......................................................................................................... 62
Using Hashes to Validate Software Images........................................................................................63
Using HTTP for File Transfers............................................................................................................. 64
4 Management........................................................................................................65
Configuring Privilege Levels............................................................................................................... 65
Creating a Custom Privilege Level................................................................................................65
Removing a Command from EXEC Mode................................................................................... 65
Moving a Command from EXEC Privilege Mode to EXEC Mode................................................66
Allowing Access to CONFIGURATION Mode Commands..........................................................66
Allowing Access to the Following Modes.................................................................................... 66
Applying a Privilege Level to a Username.................................................................................... 68
Applying a Privilege Level to a Terminal Line...............................................................................68
Configuring Logging...........................................................................................................................68
Audit and Security Logs................................................................................................................ 69
Configuring Logging Format .......................................................................................................71
Display the Logging Buffer and the Logging Configuration........................................................ 71
Setting Up a Secure Connection to a Syslog Server.................................................................... 72
Sending System Messages to a Syslog Server.............................................................................. 73
Log Messages in the Internal Buffer................................................................................................... 73
Configuration Task List for System Log Management.................................................................73
Disabling System Logging...................................................................................................................73
Sending System Messages to a Syslog Server....................................................................................74
Configuring a UNIX System as a Syslog Server............................................................................ 74
Changing System Logging Settings....................................................................................................74
Display the Logging Buffer and the Logging Configuration..............................................................75
Configuring a UNIX Logging Facility Level.........................................................................................76
Synchronizing Log Messages..............................................................................................................77
Enabling Timestamp on Syslog Messages..........................................................................................78
File Transfer Services...........................................................................................................................78
Configuration Task List for File Transfer Services........................................................................ 78
Enabling the FTP Server................................................................................................................ 79
Configuring FTP Server Parameters..............................................................................................79
Configuring FTP Client Parameters.............................................................................................. 79
Terminal Lines.....................................................................................................................................80
Denying and Permitting Access to a Terminal Line.....................................................................80
Configuring Login Authentication for Terminal Lines..................................................................81
Setting Time Out of EXEC Privilege Mode......................................................................................... 82
Using Telnet to get to Another Network Device............................................................................... 82
Lock CONFIGURATION Mode............................................................................................................83
Viewing the Configuration Lock Status........................................................................................83
Recovering from a Forgotten Password............................................................................................ 84
Recovering from a Forgotten Enable Password.......................................................................... 85
Recovering from a Failed Start........................................................................................................... 86
Restoring the Factory Default Settings.............................................................................................. 86
Important Points to Remember....................................................................................................86
Restoring Factory Default Environment Variables....................................................................... 87
5 802.1ag................................................................................................................. 89
Ethernet CFM...................................................................................................................................... 89
Maintenance Domains........................................................................................................................90
Maintenance Points............................................................................................................................ 90
Maintenance End Points......................................................................................................................91
Implementation Information.............................................................................................................. 92
Configuring the CFM.......................................................................................................................... 92
Related Configuration Tasks.........................................................................................................92
Enabling Ethernet CFM....................................................................................................................... 92
Creating a Maintenance Domain........................................................................................................92
Creating a Maintenance Association..................................................................................................93
Create Maintenance Points................................................................................................................ 93
Creating a Maintenance End Point...............................................................................................93
Creating a Maintenance Intermediate Point................................................................................94
Displaying the MP Databases........................................................................................................95
Continuity Check Messages............................................................................................................... 96
Enabling CCM................................................................................................................................97
Enabling Cross-Checking............................................................................................................. 97
Sending Loopback Messages and Responses....................................................................................97
Sending Linktrace Messages and Responses.....................................................................................98
Caching Link Trace....................................................................................................................... 98
Enabling CFM SNMP Traps................................................................................................................. 99
Displaying Ethernet CFM Statistics................................................................................................... 101
6 802.1X.................................................................................................................102
The Port-Authentication Process.....................................................................................................103
EAP over RADIUS.........................................................................................................................105
Configuring 802.1X........................................................................................................................... 105
Related Configuration Tasks.......................................................................................................105
Important Points to Remember....................................................................................................... 106
Enabling 802.1X.................................................................................................................................106
Configuring Request Identity Re-Transmissions.............................................................................108
Configuring a Quiet Period after a Failed Authentication......................................................... 108
Forcibly Authorizing or Unauthorizing a Port..................................................................................109
Re-Authenticating a Port.................................................................................................................. 110
Configuring Timeouts........................................................................................................................111
Configuring Dynamic VLAN Assignment with Port Authentication.................................................112
Guest and Authentication-Fail VLANs...............................................................................................113
Configuring a Guest VLAN.......................................................................................................... 114
Configuring an Authentication-Fail VLAN.................................................................................. 114
7 Access Control List (ACL) VLAN Groups and Content Addressable
Memory (CAM)......................................................................................................116
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..........................................116
Guidelines for Configuring ACL VLAN groups..................................................................................117
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters........................ 118
Configuring ACL VLAN Groups................................................................................................... 118
Configuring FP Blocks for VLAN Parameters..............................................................................119
Viewing CAM Usage..........................................................................................................................120
Allocating FP Blocks for VLAN Processes.........................................................................................121
8 Access Control Lists (ACLs).............................................................................123
IP Access Control Lists (ACLs).......................................................................................................... 124
CAM Usage.................................................................................................................................. 124
Implementing ACLs on Dell Networking OS..............................................................................125
Important Points to Remember........................................................................................................127
Configuration Task List for Route Maps..................................................................................... 127
Configuring Match Routes..........................................................................................................130
Configuring Set Conditions.........................................................................................................131
Configure a Route Map for Route Redistribution...................................................................... 132
Configure a Route Map for Route Tagging................................................................................ 133
Continue Clause..........................................................................................................................133
IP Fragment Handling........................................................................................................................133
IP Fragments ACL Examples....................................................................................................... 134
Layer 4 ACL Rules Examples.......................................................................................................134
Configure a Standard IP ACL............................................................................................................ 135
Configuring a Standard IP ACL Filter.......................................................................................... 136
Configure an Extended IP ACL..........................................................................................................137
Configuring Filters with a Sequence Number............................................................................ 137
Configuring Filters Without a Sequence Number......................................................................139
Configure Layer 2 and Layer 3 ACLs................................................................................................140
Assign an IP ACL to an Interface...................................................................................................... 140
Applying an IP ACL............................................................................................................................ 141
Counting ACL Hits....................................................................................................................... 141
Configure Ingress ACLs.....................................................................................................................142
Configure Egress ACLs......................................................................................................................143
Applying Egress Layer 3 ACLs (Control-Plane).......................................................................... 144
IP Prefix Lists......................................................................................................................................144
Implementation Information...................................................................................................... 145
Configuration Task List for Prefix Lists....................................................................................... 145
ACL Resequencing............................................................................................................................149
Resequencing an ACL or Prefix List............................................................................................149
Route Maps........................................................................................................................................ 151
Implementation Information.......................................................................................................151
Logging of ACL Processes.................................................................................................................151
Guidelines for Configuring ACL Logging....................................................................................152
Configuring ACL Logging............................................................................................................153
Flow-Based Monitoring Support for ACLs....................................................................................... 154
Behavior of Flow-Based Monitoring...........................................................................................154
Enabling Flow-Based Monitoring............................................................................................... 155
9 Bidirectional Forwarding Detection (BFD)...................................................157
How BFD Works.................................................................................................................................157
BFD Packet Format......................................................................................................................158
BFD Sessions............................................................................................................................... 160
BFD Three-Way Handshake........................................................................................................160
Session State Changes.................................................................................................................161
Important Points to Remember........................................................................................................162
Configure BFD...................................................................................................................................162
Configure BFD for Physical Ports............................................................................................... 163
Configure BFD for Static Routes.................................................................................................166
Configure BFD for OSPF............................................................................................................. 168
Configure BFD for OSPFv3.......................................................................................................... 171
Configure BFD for IS-IS...............................................................................................................172
Configure BFD for BGP............................................................................................................... 175
Configure BFD for VRRP............................................................................................................. 182
Configuring Protocol Liveness................................................................................................... 185
Troubleshooting BFD.................................................................................................................. 185
10 Border Gateway Protocol IPv4 (BGPv4).....................................................187
Autonomous Systems (AS)................................................................................................................187
Sessions and Peers............................................................................................................................189
Establish a Session.......................................................................................................................190
Route Reflectors............................................................................................................................... 190
BGP Attributes....................................................................................................................................191
Best Path Selection Criteria.........................................................................................................192
Weight..........................................................................................................................................194
Local Preference......................................................................................................................... 194
Multi-Exit Discriminators (MEDs)................................................................................................ 195
Origin........................................................................................................................................... 196
AS Path......................................................................................................................................... 197
Next Hop......................................................................................................................................197
Multiprotocol BGP............................................................................................................................ 198
Implement BGP with Dell Networking OS.......................................................................................198
Additional Path (Add-Path) Support........................................................................................... 198
Advertise IGP Cost as MED for Redistributed Routes................................................................ 198
Ignore Router-ID for Some Best-Path Calculations..................................................................199
Four-Byte AS Numbers............................................................................................................... 199
AS4 Number Representation......................................................................................................200
AS Number Migration..................................................................................................................201
BGP4 Management Information Base (MIB)..............................................................................203
Important Points to Remember................................................................................................. 203
Configuration Information............................................................................................................... 204
BGP Configuration........................................................................................................................... 204
Enabling BGP...............................................................................................................................205
Configuring AS4 Number Representations............................................................................... 209
Configuring Peer Groups.............................................................................................................211
Configuring BGP Fast Fall-Over..................................................................................................213
Configuring Passive Peering....................................................................................................... 215
Maintaining Existing AS Numbers During an AS Migration........................................................216
Allowing an AS Number to Appear in its Own AS Path.............................................................. 217
Enabling Graceful Restart............................................................................................................218
Enabling Neighbor Graceful Restart...........................................................................................219
Filtering on an AS-Path Attribute................................................................................................ 219
Regular Expressions as Filters..................................................................................................... 221
Redistributing Routes..................................................................................................................222
Enabling Additional Paths........................................................................................................... 223
Configuring IP Community Lists................................................................................................ 223
Configuring an IP Extended Community List............................................................................ 225
Filtering Routes with Community Lists...................................................................................... 226
Manipulating the COMMUNITY Attribute...................................................................................226
Changing MED Attributes........................................................................................................... 228
Changing the LOCAL_PREFERENCE Attribute.......................................................................... 228
Changing the NEXT_HOP Attribute........................................................................................... 229
Changing the WEIGHT Attribute................................................................................................ 230
Enabling Multipath...................................................................................................................... 230
Filtering BGP Routes...................................................................................................................230
Filtering BGP Routes Using Route Maps.................................................................................... 232
Filtering BGP Routes Using AS-PATH Information.................................................................... 233
Configuring BGP Route Reflectors.............................................................................................233
Aggregating Routes.................................................................................................................... 234
Configuring BGP Confederations...............................................................................................235
Enabling Route Flap Dampening................................................................................................235
Changing BGP Timers.................................................................................................................238
Enabling BGP Neighbor Soft-Reconfiguration..........................................................................238
Route Map Continue.................................................................................................................. 240
Enabling MBGP Configurations....................................................................................................... 240
BGP Regular Expression Optimization............................................................................................. 241
Debugging BGP.................................................................................................................................241
Storing Last and Bad PDUs......................................................................................................... 242
Capturing PDUs...........................................................................................................................243
PDU Counters............................................................................................................................. 244
Sample Configurations.....................................................................................................................244
11 Content Addressable Memory (CAM)..........................................................251
CAM Allocation..................................................................................................................................251
Test CAM Usage................................................................................................................................253
View CAM-ACL Settings................................................................................................................... 253
View CAM Usage...............................................................................................................................255
CAM Optimization............................................................................................................................ 256
Troubleshoot CAM Profiling.............................................................................................................256
CAM Profile Mismatches.............................................................................................................256
QoS CAM Region Limitation.......................................................................................................256
12 Control Plane Policing (CoPP)..................................................................... 258
Configure Control Plane Policing.................................................................................................... 259
Configuring CoPP for Protocols................................................................................................ 260
Configuring CoPP for CPU Queues...........................................................................................262
CoPP for OSPFv3 Packets...........................................................................................................263
Configuring CoPP for OSPFv3................................................................................................... 266
Show Commands........................................................................................................................267
13 Data Center Bridging (DCB)......................................................................... 269
Ethernet Enhancements in Data Center Bridging........................................................................... 269
Priority-Based Flow Control.......................................................................................................270
Enhanced Transmission Selection.............................................................................................. 271
Data Center Bridging Exchange Protocol (DCBx)......................................................................272
Data Center Bridging in a Traffic Flow....................................................................................... 273
Enabling Data Center Bridging......................................................................................................... 273
QoS dot1p Traffic Classification and Queue Assignment............................................................... 274
DCB Maps and its Attributes............................................................................................................. 275
DCB Map: Configuration Procedure.......................................................................................... 275
Important Points to Remember..................................................................................................275
Applying a DCB Map on a Port................................................................................................... 276
Configuring PFC without a DCB Map........................................................................................ 276
Configuring Lossless Queues..................................................................................................... 277
Data Center Bridging: Default Configuration.................................................................................. 278
Configuring PFC and ETS in a DCB Map..........................................................................................279
PFC Configuration Notes............................................................................................................279
PFC Prerequisites and Restrictions............................................................................................ 280
ETS Configuration Notes............................................................................................................280
ETS Prerequisites and Restrictions..............................................................................................281
Configuring Priority-Based Flow Control........................................................................................282
Configuring Lossless Queues.....................................................................................................283
Configure Enhanced Transmission Selection..................................................................................283
ETS Prerequisites and Restrictions.............................................................................................284
Creating an ETS Priority Group.................................................................................................. 284
ETS Operation with DCBx...........................................................................................................285
Configuring Bandwidth Allocation for DCBx CIN..................................................................... 286
Applying DCB Policies in a Switch Stack......................................................................................... 286
Configure a DCBx Operation........................................................................................................... 287
DCBx Operation..........................................................................................................................287
DCBx Port Roles..........................................................................................................................287
DCB Configuration Exchange.................................................................................................... 289
Configuration Source Election...................................................................................................289
Propagation of DCB Information...............................................................................................290
Auto-Detection and Manual Configuration of the DCBx Version............................................290
Behavior of Tagged Packets....................................................................................................... 291
Configuration Example for DSCP and PFC Priorities.................................................................291
DCBx Example.............................................................................................................................292
DCBx Prerequisites and Restrictions..........................................................................................293
Configuring DCBx.......................................................................................................................293
Verifying the DCB Configuration......................................................................................................297
Using PFC and ETS to Manage Data Center Traffic........................................................................ 308
PFC and ETS Configuration Command Examples.....................................................................310
Using PFC and ETS to Manage Converged Ethernet Traffic..................................................... 310
Hierarchical Scheduling in ETS Output Policies........................................................................ 310
Priority-Based Flow Control Using Dynamic Buffer Method...........................................................311
Pause and Resume of Traffic.......................................................................................................311
Buffer Sizes for Lossless or PFC Packets.................................................................................... 312
Configuring the Dynamic Buffer Method.........................................................................................312
Sample Configurations..................................................................................................................... 314
......................................................................................................................................................314
14 Dynamic Host Configuration Protocol (DHCP)........................................318
DHCP Packet Format and Options...................................................................................................318
Assign an IP Address using DHCP....................................................................................................320
Implementation Information............................................................................................................ 321
Configure the System to be a DHCP Server.................................................................................... 322
Configuring the Server for Automatic Address Allocation........................................................ 322
Specifying a Default Gateway.....................................................................................................324
Configure a Method of Hostname Resolution.......................................................................... 324
Using DNS for Address Resolution.............................................................................................324
Using NetBIOS WINS for Address Resolution............................................................................324
Creating Manual Binding Entries................................................................................................ 324
Debugging the DHCP Server......................................................................................................325
Using DHCP Clear Commands...................................................................................................325
Configure the System to be a Relay Agent......................................................................................325
Configure the System to be a DHCP Client.....................................................................................327
Configuring the DHCP Client System........................................................................................328
DHCP Client on a Management Interface................................................................................. 329
DHCP Client Operation with Other Features............................................................................ 330
Configure the System for User Port Stacking (Option 230)............................................................ 331
Configure Secure DHCP................................................................................................................... 331
Option 82.....................................................................................................................................331
DHCP Snooping.......................................................................................................................... 332
Drop DHCP Packets on Snooped VLANs Only..........................................................................335
Dynamic ARP Inspection............................................................................................................ 336
Configuring Dynamic ARP Inspection........................................................................................337
Source Address Validation................................................................................................................338
Enabling IP Source Address Validation.......................................................................................338
DHCP MAC Source Address Validation......................................................................................339
Enabling IP+MAC Source Address Validation............................................................................ 339
Viewing the Number of SAV Dropped Packets......................................................................... 340
Clearing the Number of SAV Dropped Packets.........................................................................340
15 Equal Cost Multi-Path (ECMP)..................................................................... 341
ECMP for Flow-Based Affinity...........................................................................................................341
Configuring the Hash Algorithm.................................................................................................341
Enabling Deterministic ECMP Next Hop.................................................................................... 341
Configuring the Hash Algorithm Seed....................................................................................... 342
Link Bundle Monitoring.................................................................................................................... 342
Managing ECMP Group Paths.................................................................................................... 343
Creating an ECMP Group Bundle...............................................................................................343
Modifying the ECMP Group Threshold......................................................................................344
16 FCoE Transit.................................................................................................... 345
Fibre Channel over Ethernet............................................................................................................ 345
Ensure Robustness in a Converged Ethernet Network...................................................................345
FIP Snooping on Ethernet Bridges................................................................................................... 347
FIP Snooping in a Switch Stack........................................................................................................ 349
Using FIP Snooping...........................................................................................................................349
FIP Snooping Prerequisites.........................................................................................................349
Important Points to Remember................................................................................................. 350
Enabling the FCoE Transit Feature..............................................................................................351
Enable FIP Snooping on VLANs.................................................................................................. 351
Configure the FC-MAP Value......................................................................................................351
Configure a Port for a Bridge-to-Bridge Link............................................................................ 351
Configure a Port for a Bridge-to-FCF Link................................................................................ 352
Impact on Other Software Features...........................................................................................352
FIP Snooping Restrictions...........................................................................................................352
Configuring FIP Snooping...........................................................................................................353
Displaying FIP Snooping Information...............................................................................................353
FCoE Transit Configuration Example...............................................................................................359
17 Enabling FIPS Cryptography.........................................................................361
Configuration Tasks.......................................................................................................................... 361
Preparing the System........................................................................................................................ 361
Enabling FIPS Mode.......................................................................................................................... 362
Generating Host-Keys...................................................................................................................... 362
Monitoring FIPS Mode Status........................................................................................................... 363
Disabling FIPS Mode......................................................................................................................... 363
18 Force10 Resilient Ring Protocol (FRRP).....................................................365
Protocol Overview............................................................................................................................365
Ring Status...................................................................................................................................366
Multiple FRRP Rings.................................................................................................................... 367
Important FRRP Points................................................................................................................367
Important FRRP Concepts.......................................................................................................... 367
Implementing FRRP..........................................................................................................................369
FRRP Configuration.......................................................................................................................... 369
Creating the FRRP Group........................................................................................................... 369
Configuring the Control VLAN................................................................................................... 370
Configuring and Adding the Member VLANs............................................................................. 371
Setting the FRRP Timers..............................................................................................................372
Clearing the FRRP Counters....................................................................................................... 372
Viewing the FRRP Configuration................................................................................................ 373
Viewing the FRRP Information....................................................................................................373
Troubleshooting FRRP...................................................................................................................... 373
Configuration Checks................................................................................................................. 373
Sample Configuration and Topology...............................................................................................373
19 GARP VLAN Registration Protocol (GVRP)................................................ 376
Important Points to Remember....................................................................................................... 376
Configure GVRP................................................................................................................................ 377
Related Configuration Tasks....................................................................................................... 377
Enabling GVRP Globally....................................................................................................................378
Enabling GVRP on a Layer 2 Interface............................................................................................. 378
Configure GVRP Registration........................................................................................................... 378
Configure a GARP Timer...................................................................................................................379
RPM Redundancy............................................................................................................................. 380
20 High Availability (HA).....................................................................................381
Component Redundancy................................................................................................................. 381
Automatic and Manual Stack Unit Failover.................................................................................381
Synchronization between Management and Standby Units.....................................................382
Forcing an Stack Unit Failover....................................................................................................382
Specifying an Auto-Failover Limit.............................................................................................. 383
Disabling Auto-Reboot............................................................................................................... 383
Manually Synchronizing Management and Standby Units........................................................383
Pre-Configuring a Stack Unit Slot....................................................................................................383
Removing a Provisioned Logical Stack Unit.................................................................................... 384
Hitless Behavior................................................................................................................................ 384
Graceful Restart................................................................................................................................ 385
Software Resiliency...........................................................................................................................385
Software Component Health Monitoring..................................................................................385
System Health Monitoring..........................................................................................................385
Failure and Event Logging.......................................................................................................... 385
Hot-Lock Behavior........................................................................................................................... 386
21 Internet Group Management Protocol (IGMP).........................................387
IGMP Implementation Information..................................................................................................387
IGMP Protocol Overview.................................................................................................................. 387
IGMP Version 2............................................................................................................................387
IGMP Version 3............................................................................................................................389
Configure IGMP................................................................................................................................ 392
Related Configuration Tasks.......................................................................................................392
Viewing IGMP Enabled Interfaces.................................................................................................... 393
Selecting an IGMP Version............................................................................................................... 393
Viewing IGMP Groups...................................................................................................................... 394
Adjusting Timers............................................................................................................................... 394
Adjusting Query and Response Timers......................................................................................394
Preventing a Host from Joining a Group.........................................................................................395
Enabling IGMP Immediate-Leave.................................................................................................... 398
IGMP Snooping.................................................................................................................................398
IGMP Snooping Implementation Information...........................................................................398
Configuring IGMP Snooping...................................................................................................... 398
Removing a Group-Port Association......................................................................................... 399
Disabling Multicast Flooding...................................................................................................... 399
Specifying a Port as Connected to a Multicast Router............................................................. 400
Configuring the Switch as Querier............................................................................................ 400
Fast Convergence after MSTP Topology Changes..........................................................................401
Egress Interface Selection (EIS) for HTTP and IGMP Applications..................................................401
Protocol Separation....................................................................................................................402
Enabling and Disabling Management Egress Interface Selection............................................ 403
Handling of Management Route Configuration........................................................................404
Handling of Switch-Initiated Traffic...........................................................................................404
Handling of Switch-Destined Traffic......................................................................................... 405
Handling of Transit Traffic (Traffic Separation)......................................................................... 406
Mapping of Management Applications and Traffic Type..........................................................406
Behavior of Various Applications for Switch-Initiated Traffic .................................................. 407
Behavior of Various Applications for Switch-Destined Traffic ................................................ 408
Interworking of EIS With Various Applications.......................................................................... 409
Designating a Multicast Router Interface.........................................................................................410
22 Interfaces......................................................................................................... 411
Basic Interface Configuration........................................................................................................... 411
Advanced Interface Configuration....................................................................................................411
Interface Types..................................................................................................................................412
View Basic Interface Information..................................................................................................... 412
Enabling a Physical Interface............................................................................................................414
Physical Interfaces............................................................................................................................ 414
Configuration Task List for Physical Interfaces.......................................................................... 415
Overview of Layer Modes............................................................................................................415
Configuring Layer 2 (Data Link) Mode........................................................................................415
Configuring Layer 2 (Interface) Mode........................................................................................ 416
Configuring Layer 3 (Network) Mode.........................................................................................416
Configuring Layer 3 (Interface) Mode.........................................................................................417
Egress Interface Selection (EIS).........................................................................................................417
Important Points to Remember..................................................................................................418
Configuring EIS............................................................................................................................418
Management Interfaces....................................................................................................................418
Configuring Management Interfaces......................................................................................... 418
Configuring Management Interfaces on the S-Series...............................................................420
VLAN Interfaces.................................................................................................................................421
Loopback Interfaces......................................................................................................................... 422
Null Interfaces...................................................................................................................................422
Port Channel Interfaces....................................................................................................................422
Port Channel Definition and Standards......................................................................................423
Port Channel Benefits.................................................................................................................423
Port Channel Implementation....................................................................................................423
10/100/1000 Mbps Interfaces in Port Channels........................................................................424
Configuration Tasks for Port Channel Interfaces......................................................................424
Creating a Port Channel............................................................................................................. 425
Adding a Physical Interface to a Port Channel.......................................................................... 425
Reassigning an Interface to a New Port Channel......................................................................427
Configuring the Minimum Oper Up Links in a Port Channel....................................................428
.....................................................................................................................................................428
Assigning an IP Address to a Port Channel................................................................................429
Deleting or Disabling a Port Channel.........................................................................................429
Load Balancing Through Port Channels....................................................................................429
Load-Balancing Method.............................................................................................................430
Changing the Hash Algorithm....................................................................................................430
Bulk Configuration............................................................................................................................432
Interface Range...........................................................................................................................432
Bulk Configuration Examples..................................................................................................... 432
Defining Interface Range Macros.................................................................................................... 434
Define the Interface Range.........................................................................................................434
Choosing an Interface-Range Macro........................................................................................ 434
Monitoring and Maintaining Interfaces............................................................................................435
Maintenance Using TDR............................................................................................................. 436
Splitting QSFP Ports to SFP+ Ports.................................................................................................. 436
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................ 437
Important Points to Remember................................................................................................. 438
Support for LM4 Optics.............................................................................................................. 438
Example Scenarios......................................................................................................................438
Link Dampening................................................................................................................................442
Important Points to Remember................................................................................................. 443
Enabling Link Dampening...........................................................................................................443
Link Bundle Monitoring.................................................................................................................... 444
Using Ethernet Pause Frames for Flow Control.............................................................................. 445
Enabling Pause Frames...............................................................................................................446
Configure the MTU Size on an Interface.........................................................................................446
Port-Pipes......................................................................................................................................... 447
Auto-Negotiation on Ethernet Interfaces........................................................................................447
Setting the Speed and Duplex Mode of Ethernet Interfaces.................................................... 448
Set Auto-Negotiation Options................................................................................................... 449
View Advanced Interface Information.............................................................................................450
Configuring the Interface Sampling Size....................................................................................451
Dynamic Counters............................................................................................................................452
Clearing Interface Counters....................................................................................................... 453
Enhanced Validation of Interface Ranges........................................................................................453
23 Internet Protocol Security (IPSec).............................................................. 455
Configuring IPSec ............................................................................................................................456
24 IPv4 Routing....................................................................................................457
IP Addresses...................................................................................................................................... 457
Implementation Information...................................................................................................... 457
Configuration Tasks for IP Addresses...............................................................................................457
Assigning IP Addresses to an Interface............................................................................................458
Configuring Static Routes................................................................................................................ 459
Configure Static Routes for the Management Interface................................................................. 461
IPv4 Path MTU Discovery Overview.................................................................................................461
Using the Configured Source IP Address in ICMP Messages..........................................................462
Configuring the ICMP Source Interface.....................................................................................462
Configuring the Duration to Establish a TCP Connection..............................................................463
Enabling Directed Broadcast............................................................................................................463
Resolution of Host Names............................................................................................................... 464
Enabling Dynamic Resolution of Host Names................................................................................ 464
Specifying the Local System Domain and a List of Domains..........................................................465
Configuring DNS with Traceroute................................................................................................... 465
ARP....................................................................................................................................................466
Configuration Tasks for ARP............................................................................................................ 466
Configuring Static ARP Entries......................................................................................................... 467
Enabling Proxy ARP...........................................................................................................................467
Clearing ARP Cache..........................................................................................................................467
ARP Learning via Gratuitous ARP..................................................................................................... 468
Enabling ARP Learning via Gratuitous ARP......................................................................................468
ARP Learning via ARP Request......................................................................................................... 469
Configuring ARP Retries...................................................................................................................469
ICMP..................................................................................................................................................470
Configuration Tasks for ICMP.......................................................................................................... 470
Enabling ICMP Unreachable Messages............................................................................................470
UDP Helper........................................................................................................................................471
Configure UDP Helper................................................................................................................ 471
Important Points to Remember..................................................................................................471
Enabling UDP Helper.........................................................................................................................471
Configuring a Broadcast Address.....................................................................................................472
Configurations Using UDP Helper....................................................................................................472
UDP Helper with Broadcast-All Addresses...................................................................................... 473
UDP Helper with Subnet Broadcast Addresses................................................................................473
UDP Helper with Configured Broadcast Addresses........................................................................ 474
UDP Helper with No Configured Broadcast Addresses.................................................................. 475
Troubleshooting UDP Helper...........................................................................................................475
25 IPv6 Routing....................................................................................................476
Protocol Overview............................................................................................................................476
Extended Address Space.............................................................................................................476
Stateless Autoconfiguration........................................................................................................476
IPv6 Headers................................................................................................................................477
IPv6 Header Fields.......................................................................................................................478
Extension Header Fields..............................................................................................................479
Addressing...................................................................................................................................480
Implementing IPv6 with Dell Networking OS..................................................................................482
ICMPv6..............................................................................................................................................484
Path MTU Discovery......................................................................................................................... 484
IPv6 Neighbor Discovery..................................................................................................................485
IPv6 Neighbor Discovery of MTU Packets.................................................................................486
Configuration Task List for IPv6 RDNSS.......................................................................................... 486
Configuring the IPv6 Recursive DNS Server..............................................................................486
Debugging IPv6 RDNSS Information Sent to the Host .............................................................487
Displaying IPv6 RDNSS Information.......................................................................................... 488
Secure Shell (SSH) Over an IPv6 Transport..................................................................................... 488
Configuration Tasks for IPv6............................................................................................................489
Adjusting Your CAM-Profile....................................................................................................... 489
Assigning an IPv6 Address to an Interface.................................................................................490
Assigning a Static IPv6 Route..................................................................................................... 490
Configuring Telnet with IPv6......................................................................................................491
SNMP over IPv6...........................................................................................................................491
Showing IPv6 Information.......................................................................................................... 491
Showing an IPv6 Interface..........................................................................................................492
Showing IPv6 Routes..................................................................................................................493
Showing the Running-Configuration for an Interface..............................................................494
Clearing IPv6 Routes.................................................................................................................. 494
Configuring IPv6 RA Guard.............................................................................................................. 495
Configuring IPv6 RA Guard on an Interface.............................................................................. 497
Monitoring IPv6 RA Guard.......................................................................................................... 497
26 iSCSI Optimization........................................................................................ 498
iSCSI Optimization Overview........................................................................................................... 498
Monitoring iSCSI Traffic Flows................................................................................................... 500
Application of Quality of Service to iSCSI Traffic Flows............................................................500
Information Monitored in iSCSI Traffic Flows........................................................................... 500
Detection and Auto-Configuration for Dell EqualLogic Arrays.................................................501
Configuring Detection and Ports for Dell Compellent Arrays.................................................. 502
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer........................................502
Enable and Disable iSCSI Optimization......................................................................................502
Default iSCSI Optimization Values...................................................................................................503
iSCSI Optimization Prerequisites..................................................................................................... 504
Configuring iSCSI Optimization.......................................................................................................504
Displaying iSCSI Optimization Information..................................................................................... 506
27 Intermediate System to Intermediate System.......................................... 508
IS-IS Protocol Overview...................................................................................................................508
IS-IS Addressing................................................................................................................................508
Multi-Topology IS-IS........................................................................................................................ 509
Transition Mode.......................................................................................................................... 510
Interface Support.........................................................................................................................510
Adjacencies..................................................................................................................................510
Graceful Restart.................................................................................................................................510
Timers...........................................................................................................................................511
Implementation Information.............................................................................................................511
Configuration Information................................................................................................................512
Configuration Tasks for IS-IS...................................................................................................... 512
Configuring the Distance of a Route..........................................................................................521
Changing the IS-Type................................................................................................................. 521
Redistributing IPv4 Routes..........................................................................................................524
Redistributing IPv6 Routes..........................................................................................................525
Configuring Authentication Passwords......................................................................................525
Setting the Overload Bit..............................................................................................................526
Debugging IS-IS.......................................................................................................................... 527
IS-IS Metric Styles............................................................................................................................. 528
Configure Metric Values...................................................................................................................528
Maximum Values in the Routing Table...................................................................................... 529
Change the IS-IS Metric Style in One Level Only...................................................................... 529
Leaks from One Level to Another.............................................................................................. 530
Sample Configurations......................................................................................................................531
28 Link Aggregation Control Protocol (LACP)...............................................534
Introduction to Dynamic LAGs and LACP....................................................................................... 534
Important Points to Remember................................................................................................. 534
LACP Modes................................................................................................................................ 535
Configuring LACP Commands................................................................................................... 535
LACP Configuration Tasks................................................................................................................536
Creating a LAG............................................................................................................................ 536
Configuring the LAG Interfaces as Dynamic..............................................................................537
Setting the LACP Long Timeout................................................................................................. 537
Monitoring and Debugging LACP.............................................................................................. 538
Shared LAG State Tracking............................................................................................................... 538
Configuring Shared LAG State Tracking.....................................................................................539
Important Points about Shared LAG State Tracking..................................................................540
LACP Basic Configuration Example..................................................................................................541
Configure a LAG on ALPHA........................................................................................................ 541
29 Layer 2..............................................................................................................549
Manage the MAC Address Table...................................................................................................... 549
Clearing the MAC Address Table................................................................................................549
Setting the Aging Time for Dynamic Entries..............................................................................549
Configuring a Static MAC Address............................................................................................. 550
Displaying the MAC Address Table.............................................................................................550
MAC Learning Limit.......................................................................................................................... 550
Setting the MAC Learning Limit.................................................................................................. 551
mac learning-limit Dynamic....................................................................................................... 551
mac learning-limit mac-address-sticky.....................................................................................552
mac learning-limit station-move............................................................................................... 552
mac learning-limit no-station-move......................................................................................... 552
Learning Limit Violation Actions.................................................................................................553
Setting Station Move Violation Actions...................................................................................... 553
Recovering from Learning Limit and Station Move Violations..................................................554
NIC Teaming..................................................................................................................................... 554
Configure Redundant Pairs...............................................................................................................555
Important Points about Configuring Redundant Pairs.............................................................. 557
Far-End Failure Detection................................................................................................................ 558
FEFD State Changes....................................................................................................................559
Configuring FEFD........................................................................................................................560
Enabling FEFD on an Interface....................................................................................................561
Debugging FEFD......................................................................................................................... 562
30 Link Layer Discovery Protocol (LLDP)........................................................564
802.1AB (LLDP) Overview.................................................................................................................564
Protocol Data Units.....................................................................................................................564
Optional TLVs....................................................................................................................................565
Management TLVs...................................................................................................................... 565
TIA-1057 (LLDP-MED) Overview...................................................................................................... 567
TIA Organizationally Specific TLVs.............................................................................................568
Configure LLDP.................................................................................................................................572
Related Configuration Tasks.......................................................................................................572
Important Points to Remember..................................................................................................573
LLDP Compatibility......................................................................................................................573
CONFIGURATION versus INTERFACE Configurations.................................................................... 573
Enabling LLDP................................................................................................................................... 574
Disabling and Undoing LLDP......................................................................................................574
Enabling LLDP on Management Ports............................................................................................. 574
Disabling and Undoing LLDP on Management Ports................................................................ 574
Advertising TLVs................................................................................................................................ 575
Viewing the LLDP Configuration......................................................................................................576
Viewing Information Advertised by Adjacent LLDP Agents.............................................................577
Configuring LLDPDU Intervals..........................................................................................................578
Configuring Transmit and Receive Mode........................................................................................ 578
Configuring a Time to Live............................................................................................................... 579
Debugging LLDP...............................................................................................................................580
Relevant Management Objects........................................................................................................ 581
31 Microsoft Network Load Balancing............................................................ 587
NLB Unicast Mode Scenario.............................................................................................................587
NLB Multicast Mode Scenario..........................................................................................................588
Limitations With Enabling NLB on Switches....................................................................................588
Benefits and Working of Microsoft Clustering................................................................................ 588
Enable and Disable VLAN Flooding .................................................................................................589
Configuring a Switch for NLB ..........................................................................................................589
.....................................................................................................................................................589
32 Multicast Source Discovery Protocol (MSDP)...........................................590
Protocol Overview............................................................................................................................590
Anycast RP.........................................................................................................................................592
Implementation Information............................................................................................................592
Configure Multicast Source Discovery Protocol............................................................................. 592
Related Configuration Tasks.......................................................................................................592
Enable MSDP.....................................................................................................................................596
Manage the Source-Active Cache................................................................................................... 597
Viewing the Source-Active Cache..............................................................................................597
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