Dell Networking Configuration Guide for the
C9000 Series
Version 9.9(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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â„¢
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jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.
2015 - 10
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.....................................................................................................46
Multiple Users in Configuration Mode............................................................................................... 47
3 Getting Started....................................................................................................49
Console Access...................................................................................................................................49
Serial Console................................................................................................................................49
Mounting an NFS File System.............................................................................................................50
Important Points to Remember.................................................................................................... 51
Default Configuration......................................................................................................................... 52
Configuring a Host Name...................................................................................................................52
Accessing the System Remotely.........................................................................................................52
Accessing the System Remotely...................................................................................................53
Configure the Management Port IP Address............................................................................... 53
Configure a Management Route.................................................................................................. 53
Configuring a Username and Password.......................................................................................54
Configuring the Enable Password......................................................................................................54
Manage Configuration Files................................................................................................................54
File Storage.................................................................................................................................... 55
Copy Files to and from the System.............................................................................................. 55
Save the Running-Configuration..................................................................................................56
Configure the Overload Bit for a Startup Scenario...................................................................... 57
Viewing Files.................................................................................................................................. 57
Changes in Configuration Files.....................................................................................................58
Viewing Command History.................................................................................................................58
3
Upgrading the Dell Networking OS....................................................................................................59
4 Switch Management..........................................................................................60
Configuring Privilege Levels............................................................................................................... 60
Creating a Custom Privilege Level............................................................................................... 60
Removing a Command from EXEC Mode................................................................................... 60
Moving a Command from EXEC Privilege Mode to EXEC Mode................................................60
Allowing Access to CONFIGURATION Mode Commands...........................................................61
Allowing Access to the Following Modes.....................................................................................61
Applying a Privilege Level to a Username.................................................................................... 63
Applying a Privilege Level to a Terminal Line...............................................................................63
Configuring Logging...........................................................................................................................63
Audit and Security Logs................................................................................................................ 64
Configuring Logging Format ...................................................................................................... 65
Setting Up a Secure Connection to a Syslog Server....................................................................66
Track Login Activity............................................................................................................................. 67
Restrictions for Tracking Login Activity........................................................................................67
Configuring Login Activity Tracking............................................................................................. 67
Display Login Statistics..................................................................................................................68
Limit Concurrent Login Sessions....................................................................................................... 69
Restrictions for Limiting the Number of Concurrent Sessions................................................... 69
Configuring Concurrent Session Limit.........................................................................................69
Enabling the System to Clear Existing Sessions...........................................................................69
Log Messages in the Internal Buffer...................................................................................................70
Configuration Task List for System Log Management.................................................................70
Disabling System Logging................................................................................................................... 71
Sending System Messages to a Syslog Server.................................................................................... 71
Configuring a UNIX System as a Syslog Server.............................................................................71
Display the Logging Buffer and the Logging Configuration..............................................................72
Changing System Logging Settings....................................................................................................72
Configuring a UNIX Logging Facility Level.........................................................................................73
Synchronizing Log Messages..............................................................................................................74
Enabling Timestamp on Syslog Messages..........................................................................................75
File Transfer Services...........................................................................................................................75
Configuration Task List for File Transfer Services........................................................................ 76
Enabling the FTP Server................................................................................................................ 76
Configuring FTP Server Parameters..............................................................................................76
Configuring FTP Client Parameters.............................................................................................. 77
Terminal Lines......................................................................................................................................77
Denying and Permitting Access to a Terminal Line..................................................................... 77
Configuring Login Authentication for Terminal Lines................................................................. 78
Setting Time Out of EXEC Privilege Mode......................................................................................... 79
4
Using Telnet to Access Another Network Device..............................................................................79
Lock CONFIGURATION Mode........................................................................................................... 80
Viewing the Configuration Lock Status........................................................................................ 81
Recovering from a Forgotten Password ............................................................................................81
Ignoring the Startup Configuration and Booting from the Factory-Default Configuration............ 82
Recovering from a Failed Start........................................................................................................... 82
Restoring Factory-Default Settings.................................................................................................... 83
Important Point to Remember..................................................................................................... 83
Restoring Factory-Default Boot Environment Variables............................................................. 83
Using Hashes to Verify Software Images Before Installation............................................................ 85
Verifying System Images on C9010 Components............................................................................ 86
When System Images on C9010 Components Do Not Match................................................... 87
Manually Resetting the System Image on a C9010 Component................................................88
Logging in to the Virtual Console of a C9010 Component........................................................88
Booting the C9010 from an Image on a Network Server........................................................... 88
Configuring C9010 Components to Boot from the RPM CP Image..........................................89
5 802.1X...................................................................................................................90
The Port-Authentication Process....................................................................................................... 91
EAP over RADIUS...........................................................................................................................93
Configuring 802.1X............................................................................................................................. 93
Related Configuration Tasks.........................................................................................................93
Important Points to Remember......................................................................................................... 94
Enabling 802.1X...................................................................................................................................95
Configuring dot1x Profile ...................................................................................................................97
Configuring MAC addresses for a do1x Profile..................................................................................98
Configuring the Static MAB and MAB Profile ....................................................................................98
Configuring Critical VLAN ..................................................................................................................99
Configuring Request Identity Re-Transmissions.............................................................................100
Configuring a Quiet Period after a Failed Authentication................................................................101
Forcibly Authorizing or Unauthorizing a Port..................................................................................102
Re-Authenticating a Port.................................................................................................................. 103
Configuring Dynamic VLAN Assignment with Port Authentication................................................104
Guest and Authentication-Fail VLANs..............................................................................................105
Configuring a Guest VLAN..........................................................................................................106
Configuring an Authentication-Fail VLAN..................................................................................107
Configuring Timeouts.................................................................................................................108
Multi-Host Authentication................................................................................................................109
Configuring Multi-Host AuthenticationConfiguring Single-Host Authentication.....................111
Multi-Supplicant Authentication....................................................................................................... 112
Configuring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication..... 113
MAC Authentication Bypass..............................................................................................................114
5
MAB in Single-host and Multi-Host Mode..................................................................................114
MAB in Multi-Supplicant Authentication Mode..........................................................................114
Configuring MAC Authentication Bypass....................................................................................115
Dynamic CoS with 802.1X.................................................................................................................116
6 Access Control Lists (ACLs).............................................................................118
IP Access Control Lists (ACLs)...........................................................................................................118
CAM Usage...................................................................................................................................119
User-Configurable CAM Allocation............................................................................................120
Allocating CAM for Ingress ACLs on the Port Extender.............................................................120
Allocating CAM for Egress ACLs on the Port Extender..............................................................122
Implementing ACLs .................................................................................................................... 123
IP Fragment Handling....................................................................................................................... 124
IP Fragments ACL Examples....................................................................................................... 125
Layer 4 ACL Rules Examples....................................................................................................... 125
Configure a Standard IP ACL............................................................................................................ 126
Configuring a Standard IP ACL Filter.......................................................................................... 127
Configure an Extended IP ACL......................................................................................................... 128
Configuring Filters with a Sequence Number............................................................................128
Configuring Filters Without a Sequence Number......................................................................130
Configure Layer 2 and Layer 3 ACLs.................................................................................................131
Using ACL VLAN Groups................................................................................................................... 131
Guidelines for Configuring ACL VLAN Groups...........................................................................132
Configuring an ACL VLAN Group............................................................................................... 132
Allocating ACL VLAN CAM.......................................................................................................... 133
Applying an IP ACL to an Interface...................................................................................................134
Applying Ingress ACLs on the Port Extender..............................................................................135
Applying Egress ACLs.................................................................................................................. 135
Applying Layer 3 Egress ACLs on Control-Plane Traffic............................................................136
Counting ACL Hits....................................................................................................................... 137
IP Prefix Lists...................................................................................................................................... 137
Implementation Information.......................................................................................................137
Configuration Task List for Prefix Lists....................................................................................... 138
ACL Resequencing............................................................................................................................ 141
Resequencing an ACL or Prefix List............................................................................................142
Route Maps........................................................................................................................................143
Implementation Information...................................................................................................... 144
Important Points to Remember........................................................................................................144
Configuration Task List for Route Maps.....................................................................................144
Configuring Match Routes..........................................................................................................146
Configuring Set Conditions........................................................................................................ 148
Configure a Route Map for Route Redistribution...................................................................... 149
6
Configure a Route Map for Route Tagging................................................................................150
Continue Clause..........................................................................................................................150
Configuring a UDF ACL.....................................................................................................................150
Hot-Lock Behavior............................................................................................................................152
7 Bidirectional Forwarding Detection (BFD)...................................................153
How BFD Works................................................................................................................................ 153
BFD Packet Format......................................................................................................................154
BFD Sessions................................................................................................................................156
BFD Three-Way Handshake........................................................................................................156
Session State Changes.................................................................................................................157
Important Points to Remember........................................................................................................158
Configure BFD...................................................................................................................................158
Configure BFD for Static Routes.................................................................................................159
Configure BFD for OSPF............................................................................................................. 160
Configure BFD for OSPFv3......................................................................................................... 164
Configure BFD for IS-IS...............................................................................................................165
Configure BFD for BGP...............................................................................................................168
Configure BFD for VRRP..............................................................................................................174
Configuring Protocol Liveness....................................................................................................177
8 Border Gateway Protocol IPv4 (BGPv4).......................................................178
Autonomous Systems (AS)................................................................................................................178
Sessions and Peers............................................................................................................................180
Establish a Session....................................................................................................................... 181
Route Reflectors................................................................................................................................181
Communities............................................................................................................................... 182
BGP Attributes................................................................................................................................... 182
Best Path Selection Criteria.........................................................................................................183
Weight..........................................................................................................................................185
Local Preference......................................................................................................................... 185
Multi-Exit Discriminators (MEDs)................................................................................................186
Origin........................................................................................................................................... 187
AS Path.........................................................................................................................................188
Next Hop..................................................................................................................................... 188
Multiprotocol BGP............................................................................................................................ 188
Implement BGP ................................................................................................................................189
Additional Path (Add-Path) Support........................................................................................... 189
Advertise IGP Cost as MED for Redistributed Routes................................................................ 189
Ignore Router-ID for Some Best-Path Calculations..................................................................190
Four-Byte AS Numbers............................................................................................................... 190
AS4 Number Representation...................................................................................................... 190
7
AS Number Migration..................................................................................................................192
BGP4 Management Information Base (MIB).............................................................................. 194
Important Points to Remember..................................................................................................194
Configuration Information................................................................................................................195
BGP Configuration............................................................................................................................ 195
Enabling BGP...............................................................................................................................196
Configuring AS4 Number Representations............................................................................... 200
Configuring Peer Groups............................................................................................................201
Configuring BGP Fast Fail-Over.................................................................................................204
Configuring Passive Peering.......................................................................................................206
Maintaining Existing AS Numbers During an AS Migration........................................................207
Allowing an AS Number to Appear in its Own AS Path............................................................. 208
Enabling Neighbor Graceful Restart.......................................................................................... 208
Filtering on an AS-Path Attribute............................................................................................... 209
Regular Expressions as Filters......................................................................................................211
Redistributing Routes.................................................................................................................. 212
Enabling Additional Paths............................................................................................................213
Configuring IP Community Lists.................................................................................................213
Configuring an IP Extended Community List.............................................................................215
Filtering Routes with Community Lists.......................................................................................216
Manipulating the COMMUNITY Attribute...................................................................................216
Changing MED Attributes............................................................................................................218
Changing the LOCAL_PREFERENCE Attribute...........................................................................218
Changing the NEXT_HOP Attribute............................................................................................219
Changing the WEIGHT Attribute................................................................................................ 220
Enabling Multipath...................................................................................................................... 220
Filtering BGP Routes...................................................................................................................220
Filtering BGP Routes Using Route Maps.................................................................................... 222
Filtering BGP Routes Using AS-PATH Information....................................................................222
Configuring BGP Route Reflectors.............................................................................................223
Aggregating Routes.................................................................................................................... 224
Configuring BGP Confederations.............................................................................................. 224
Enabling Route Flap Dampening................................................................................................225
Changing BGP Timers.................................................................................................................228
Enabling BGP Neighbor Soft-Reconfiguration..........................................................................228
Route Map Continue...................................................................................................................229
Enabling MBGP Configurations........................................................................................................230
BGP Regular Expression Optimization............................................................................................. 231
Debugging BGP.................................................................................................................................231
Storing Last and Bad PDUs......................................................................................................... 232
Capturing PDUs...........................................................................................................................233
PDU Counters............................................................................................................................. 234
8
Sample Configurations..................................................................................................................... 234
9 Content Addressable Memory (CAM)...........................................................244
CAM Allocation................................................................................................................................. 244
Test CAM Usage................................................................................................................................246
View CAM-ACL Settings................................................................................................................... 246
View CAM Usage...............................................................................................................................247
Return to the Default CAM Configuration.......................................................................................248
CAM Optimization............................................................................................................................ 248
Applications for CAM Profiling......................................................................................................... 248
LAG HashingLAG Hashing Based on Bidirectional Flow........................................................... 248
Unified Forwarding Table (UFT) Modes........................................................................................... 249
Configuring UFT Modes............................................................................................................. 249
10 Control Plane Policing (CoPP)..................................................................... 251
CoPP Implementation.......................................................................................................................251
Protocol-based Control Plane Policing......................................................................................251
Queue-based Control Plane Policing.........................................................................................251
CoPP Example...................................................................................................................................253
Configure Control Plane Policing.................................................................................................... 254
Configuring CoPP for Protocols................................................................................................ 254
Examples of Configuring CoPP for Protocols........................................................................... 256
Configuring CoPP for CPU Queues........................................................................................... 257
Examples of Configuring CoPP for CPU Queues...................................................................... 257
Displaying CoPP Configuration..................................................................................................258
Troubleshooting CoPP Operation................................................................................................... 263
Enabling CPU Traffic Statistics................................................................................................... 263
Viewing CPU Traffic Statistics.....................................................................................................263
Troubleshooting CPU Packet Loss.............................................................................................264
Viewing Per-Protocol CoPP Counters.......................................................................................265
Viewing Per-Queue CoPP Counters..........................................................................................270
11 Data Center Bridging (DCB)..........................................................................272
Enabling Data Center Bridging......................................................................................................... 272
Ethernet Enhancements in Data Center Bridging........................................................................... 272
Priority-Based Flow Control....................................................................................................... 274
Enhanced Transmission Selection..............................................................................................275
Data Center Bridging Exchange Protocol (DCBx)..................................................................... 276
Data Center Bridging in a Traffic Flow....................................................................................... 277
QoS dot1p Traffic Classification and Queue Assignment................................................................277
SNMP Support for PFC and Buffer Statistics Tracking.....................................................................278
DCB Maps and its Attributes.............................................................................................................279
9
DCB Map: Configuration Procedure.......................................................................................... 279
Important Points to Remember..................................................................................................279
Applying a DCB Map on a Port...................................................................................................280
Configuring PFC without a DCB Map.........................................................................................281
Configuring Lossless Queues..................................................................................................... 281
Applying a DCB Map on a Line Card..........................................................................................282
Data Center Bridging: Default Configuration..................................................................................283
Configuration Notes: PFC and ETS in a DCB Map.......................................................................... 283
PFC Configuration Notes............................................................................................................283
ETS Configuration Notes............................................................................................................284
ETS Prerequisites and Restrictions............................................................................................. 285
Priority-Group Configuration Notes..........................................................................................286
Configuring Priority-Based Flow Control........................................................................................286
Configuring Lossless Queues..................................................................................................... 287
Configuring Enhanced Transmission Selection.............................................................................. 288
Creating an ETS Priority Group.................................................................................................. 288
ETS Operation with DCBx.......................................................................................................... 289
Configure a DCBx Operation...........................................................................................................290
DCBx Operation..........................................................................................................................290
DCBx Port Roles......................................................................................................................... 290
DCB Configuration Exchange.................................................................................................... 292
Configuration Source Election...................................................................................................292
Propagation of DCB Information............................................................................................... 293
Auto-Detection and Manual Configuration of the DCBx Version............................................ 293
Behavior of Tagged Packets.......................................................................................................294
Configuration Example for DSCP and PFC Priorities................................................................ 294
DCBx Example.............................................................................................................................295
DCBx Prerequisites and Restrictions..........................................................................................296
Configuring DCBx....................................................................................................................... 297
Verifying the DCB Configuration......................................................................................................301
Performing PFC Using DSCP Bits Instead of 802.1p Bits.................................................................312
PFC and ETS Configuration Examples..............................................................................................312
Using PFC and ETS to Manage Data Center Traffic.........................................................................313
PFC and ETS Configuration Command Examples.....................................................................314
Using PFC and ETS to Manage Converged Ethernet Traffic......................................................315
Hierarchical Scheduling in ETS Output Policies.........................................................................315
Priority-Based Flow Control Using Dynamic Buffer Method.......................................................... 315
Pause and Resume of Traffic...................................................................................................... 316
Buffer Sizes for Lossless or PFC Packets....................................................................................316
Configuring the Dynamic Buffer Method.........................................................................................317
12 Debugging and Diagnostics......................................................................... 319
10
Offline Diagnostics............................................................................................................................319
Running Port Extender Offline Diagnostics on the Switch........................................................319
Running Offline Diagnostics on a Standalone Switch...............................................................326
TRACE Logs.......................................................................................................................................349
Auto Save on Reload, Crash, or Rollover...................................................................................349
Uploading Trace Logs.................................................................................................................349
Last Restart Reason...........................................................................................................................350
show hardware Commands.............................................................................................................350
Environmental Monitoring................................................................................................................353
Displaying Port Extender Environment Information .................................................................354
Display Power Supply Status...................................................................................................... 354
Display Fan Status....................................................................................................................... 355
Display Transceiver Type............................................................................................................ 355
Recognize an Over-Temperature Condition.............................................................................357
Troubleshoot an Over-Temperature Condition........................................................................358
Troubleshooting Packet Loss...........................................................................................................360
Displaying Drop Counters...........................................................................................................361
Displaying Dataplane Statistics...................................................................................................362
Displaying Line-Card Counters..................................................................................................364
Accessing Application Core Dumps................................................................................................ 364
Mini Core Dumps..............................................................................................................................365
Full Kernel Core Dumps................................................................................................................... 366
Enabling TCP Dumps........................................................................................................................367
Accessing Port Extender Core and Mini Core Dumps.................................................................... 367
13 Dynamic Host Configuration Protocol (DHCP)........................................368
DHCP Packet Format and Options.................................................................................................. 368
Assign an IP Address using DHCP.................................................................................................... 370
Implementation Information.............................................................................................................371
Configure the System to be a DHCP Server.................................................................................... 372
Configuring the Server for Automatic Address Allocation........................................................ 372
Specifying a Default Gateway.....................................................................................................374
Configure a Method of Hostname Resolution...........................................................................374
Using DNS for Address Resolution............................................................................................. 374
Using NetBIOS WINS for Address Resolution............................................................................ 374
Creating Manual Binding Entries................................................................................................ 374
Debugging the DHCP Server...................................................................................................... 375
Using DHCP Clear Commands...................................................................................................375
Configure the System to be a Relay Agent...................................................................................... 375
Configure the System to be a DHCP Client.....................................................................................377
DHCP Client on a Management Interface..................................................................................377
DHCP Client Operation with Other Features.............................................................................378
11
Configure Secure DHCP...................................................................................................................378
Option 82.................................................................................................................................... 379
DHCP Snooping.......................................................................................................................... 379
Drop DHCP Packets on Snooped VLANs Only.......................................................................... 381
Dynamic ARP Inspection............................................................................................................ 382
Configuring Dynamic ARP Inspection........................................................................................383
Source Address Validation................................................................................................................384
Enabling IP Source Address Validation...................................................................................... 384
DHCP MAC Source Address Validation......................................................................................385
Enabling IP+MAC Source Address Validation............................................................................385
Viewing the Number of SAV Dropped Packets..........................................................................386
Clearing the Number of SAV Dropped Packets.........................................................................386
14 Equal Cost Multi-Path (ECMP)..................................................................... 387
ECMP for Flow-Based Affinity.......................................................................................................... 387
Enabling Deterministic ECMP Next Hop....................................................................................387
Configuring the Hash Algorithm Seed....................................................................................... 387
Link Bundle Monitoring.............................................................................................................. 388
Managing ECMP Group Paths..........................................................................................................388
Creating an ECMP Group Bundle.................................................................................................... 389
Modifying the ECMP Group Threshold............................................................................................389
BGP Multipath Operation with Link Bankwidth...............................................................................390
Dynamic Re-calculation of Link Bankwidth.................................................................................... 392
Weighted ECMP for Static Routes....................................................................................................392
ECMP Support in L3 Host and LPM Tables...................................................................................... 393
15 FCoE Transit.................................................................................................... 394
Fibre Channel over Ethernet............................................................................................................ 394
Ensure Robustness in a Converged Ethernet Network...................................................................394
FIP Snooping on Ethernet Bridges................................................................................................... 396
FIP Snooping in a Switch Stack........................................................................................................ 398
Using FIP Snooping...........................................................................................................................398
FIP Snooping Prerequisites.........................................................................................................398
Important Points to Remember................................................................................................. 399
Enabling the FCoE Transit Feature.............................................................................................399
Enable FIP Snooping on VLANs................................................................................................. 400
Configure the FC-MAP Value.....................................................................................................400
Configure a Port for a Bridge-to-Bridge Link........................................................................... 400
Configure a Port for a Bridge-to-FCF Link................................................................................400
Impact on Other Software Features.......................................................................................... 400
FIP Snooping Restrictions...........................................................................................................401
Configuring FIP Snooping................................................................................................................ 401
12
Displaying FIP Snooping Information.............................................................................................. 402
FCoE Transit Configuration Example.............................................................................................. 408
16 FIPS Cryptography......................................................................................... 410
Configuration Tasks..........................................................................................................................410
Preparing the System........................................................................................................................410
Enabling FIPS Mode...........................................................................................................................411
Generating Host-Keys....................................................................................................................... 411
Monitoring FIPS Mode Status............................................................................................................412
Disabling FIPS Mode..........................................................................................................................412
17 Flex Hash and Optimized Boot-Up............................................................. 414
Flex Hash Capability Overview......................................................................................................... 414
Configuring the Flex Hash Mechanism............................................................................................414
LACP Fast Switchover....................................................................................................................... 415
Configuring LACP Fast Switchover...................................................................................................415
LACP.................................................................................................................................................. 415
LACP Fast Switchover..................................................................................................................415
RDMA Over Converged Ethernet (RoCE) Overview........................................................................ 416
Sample Configurations......................................................................................................................417
......................................................................................................................................................417
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.............................................................420
18 Force10 Resilient Ring Protocol (FRRP).....................................................422
Protocol Overview............................................................................................................................422
Ring Status...................................................................................................................................423
Multiple FRRP Rings.................................................................................................................... 424
Important FRRP Points................................................................................................................424
Implementing FRRP.................................................................................................................... 424
Important FRRP Concepts..........................................................................................................425
FRRP Configuration.......................................................................................................................... 426
Creating the FRRP Group........................................................................................................... 426
Configuring the Control VLAN................................................................................................... 427
Configuring and Adding the Member VLANs............................................................................ 428
Setting the FRRP Timers............................................................................................................. 429
Clearing the FRRP Counters.......................................................................................................429
Viewing the FRRP Configuration................................................................................................430
Viewing the FRRP Information................................................................................................... 430
Troubleshooting FRRP......................................................................................................................430
Configuration Checks.................................................................................................................430
Sample Configuration and Topology.............................................................................................. 430
13
19 GARP VLAN Registration Protocol (GVRP)................................................ 433
Important Points to Remember....................................................................................................... 433
Configure GVRP................................................................................................................................434
Related Configuration Tasks...................................................................................................... 434
Enabling GVRP Globally....................................................................................................................435
Enabling GVRP on a Layer 2 Interface............................................................................................. 435
Configure GVRP Registration........................................................................................................... 435
Configure a GARP Timer.................................................................................................................. 436
20 High Availability (HA).................................................................................... 438
High Availability on Chassis..............................................................................................................438
High Availability in a PE Stack...........................................................................................................438
Online Insertion and Removal..........................................................................................................438
RPM Online Insertion..................................................................................................................439
Line Card Online Insertion..........................................................................................................439
Pre-configuring a Slot for a Line-Card Type............................................................................. 439
Replacing a Line Card.................................................................................................................440
Hitless Behavior................................................................................................................................ 440
Graceful Restart.................................................................................................................................441
Software Resiliency...........................................................................................................................441
System Health Monitoring.......................................................................................................... 441
Failure and Event Logging.......................................................................................................... 442
Trace Log.................................................................................................................................... 442
Core Dumps................................................................................................................................442
System Log..................................................................................................................................442
Control Plane Redundancy.............................................................................................................. 442
Control-Plane Failover............................................................................................................... 443
RPM Synchronization................................................................................................................. 444
Forcing an RPM Failover.............................................................................................................444
Specifying an Auto-Failover Limit.............................................................................................. 444
Disabling Auto-Reboot...............................................................................................................444
21 Internet Group Management Protocol (IGMP).........................................446
IGMP Implementation Information..................................................................................................446
IGMP Protocol Overview..................................................................................................................446
IGMP Version 2........................................................................................................................... 446
IGMP Version 3........................................................................................................................... 448
Configure IGMP.................................................................................................................................451
Related Configuration Tasks.......................................................................................................451
Viewing IGMP Enabled Interfaces.................................................................................................... 452
Selecting an IGMP Version............................................................................................................... 452
14
Viewing IGMP Groups.......................................................................................................................453
Enabling IGMP Immediate-Leave.....................................................................................................453
IGMP Snooping................................................................................................................................. 453
IGMP Snooping Implementation Information...........................................................................454
Configuring IGMP Snooping...................................................................................................... 454
Removing a Group-Port Association......................................................................................... 454
Disabling Multicast Flooding...................................................................................................... 455
Specifying a Port as Connected to a Multicast Router..............................................................455
Configuring the Switch as Querier.............................................................................................455
Fast Convergence after MSTP Topology Changes......................................................................... 456
Designating a Multicast Router Interface........................................................................................ 456
22 Interfaces.........................................................................................................458
Basic Interface Configuration.......................................................................................................... 458
Advanced Interface Configuration...................................................................................................458
Port Numbering................................................................................................................................ 459
Interface Types..................................................................................................................................461
View Basic Interface Information.....................................................................................................462
Resetting an Interface to its Factory Default State..........................................................................468
Enabling a Physical Interface........................................................................................................... 469
Physical Interfaces............................................................................................................................469
Port Pipes.................................................................................................................................... 470
Configuration Task List for Physical Interfaces..........................................................................470
Overview of Layer Modes...........................................................................................................470
Configuring Layer 2 (Data Link) Mode........................................................................................471
Configuring Layer 2 (Interface) Mode.........................................................................................471
Configuring Layer 3 (Network) Mode......................................................................................... 471
Configuring Layer 3 (Interface) Mode........................................................................................ 472
Egress Interface Selection (EIS)........................................................................................................ 473
Important Points to Remember..................................................................................................473
Configuring EIS............................................................................................................................473
Management Interfaces....................................................................................................................474
Configuring a Dedicated Management Interface .....................................................................474
Configuring a Management Interface on an Ethernet Port.......................................................475
Port Extender Interfaces...................................................................................................................476
VLAN Interfaces.................................................................................................................................477
Loopback Interfaces..........................................................................................................................477
Null Interfaces...................................................................................................................................478
Port Channel Interfaces....................................................................................................................478
Port Channel Definition and Standards......................................................................................478
Port Channel Benefits.................................................................................................................479
Port Channel Implementation....................................................................................................479
15
10/40 Gbps Interfaces in Port Channels....................................................................................479
Configuration Tasks for Port Channel Interfaces......................................................................480
Creating a Port Channel.............................................................................................................480
Adding a Physical Interface to a Port Channel..........................................................................480
Reassigning an Interface to a New Port Channel......................................................................483
Configuring the Minimum Oper Up Links in a Port Channel....................................................483
Adding or Removing a Port Channel from a VLAN................................................................... 484
Assigning an IP Address to a Port Channel................................................................................484
Deleting or Disabling a Port Channel.........................................................................................485
Load Balancing Through Port Channels....................................................................................485
Changing the Hash Algorithm....................................................................................................485
Bulk Configuration............................................................................................................................486
Interface Range...........................................................................................................................486
Bulk Configuration Examples.....................................................................................................486
Defining Interface Range Macros.................................................................................................... 488
Define the Interface Range........................................................................................................ 488
Choosing an Interface-Range Macro........................................................................................ 488
Monitoring and Maintaining Interfaces............................................................................................489
Maintenance Using TDR.............................................................................................................490
Displaying Traffic Statistics on HiGig Ports......................................................................................491
Link Bundle Monitoring.....................................................................................................................491
Monitoring HiGig Link Bundles........................................................................................................ 492
Guidelines for Monitoring HiGig Link-Bundles .........................................................................493
Enabling HiGig Link-Bundle Monitoring....................................................................................494
Non Dell-Qualified Transceivers......................................................................................................494
Splitting QSFP Ports to SFP+ Ports.................................................................................................. 495
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port......................................................496
Link Dampening................................................................................................................................497
Important Points to Remember................................................................................................. 497
Enabling Link Dampening...........................................................................................................498
Using Ethernet Pause Frames for Flow Control..............................................................................499
Threshold Settings......................................................................................................................500
Enabling Pause Frames...............................................................................................................500
Configure the MTU Size on an Interface..........................................................................................501
Auto-Negotiation on Ethernet Interfaces........................................................................................502
Set Auto-Negotiation Options................................................................................................... 502
View Advanced Interface Information............................................................................................. 503
Configuring the Interface Sampling Size...................................................................................504
Dynamic Counters............................................................................................................................505
Clearing Interface Counters....................................................................................................... 505
23 Internet Protocol Security (IPSec).............................................................. 507
16
Configuring IPSec ............................................................................................................................508
24 IPv4 Routing................................................................................................... 509
IP Addresses......................................................................................................................................509
Implementation Information......................................................................................................509
Configuration Tasks for IP Addresses.............................................................................................. 509
Assigning IP Addresses to an Interface............................................................................................ 510
Configuring Static Routes................................................................................................................. 511
Configure Static Routes for the Management Interface................................................................. 512
Enabling Directed Broadcast............................................................................................................ 512
Resolution of Host Names................................................................................................................513
Enabling Dynamic Resolution of Host Names.................................................................................513
Specifying the Local System Domain and a List of Domains.......................................................... 514
Configuring DNS with Traceroute....................................................................................................514
ARP.....................................................................................................................................................515
Configuration Tasks for ARP....................................................................................................... 515
Configuring Static ARP Entries....................................................................................................516
Configuring ARP Inspection Trust.............................................................................................. 516
Configuring ARP Timeout........................................................................................................... 517
Enabling Proxy ARP......................................................................................................................517
Clearing ARP Cache.....................................................................................................................517
ARP Learning via Gratuitous ARP................................................................................................518
Enabling ARP Learning via Gratuitous ARP.................................................................................518
ARP Learning via ARP Request....................................................................................................518
Configuring ARP Retries..............................................................................................................519
ICMP..................................................................................................................................................520
Configuration Tasks for ICMP.................................................................................................... 520
Enabling ICMP Unreachable Messages......................................................................................520
25 IPv6 Routing.................................................................................................... 521
Protocol Overview.............................................................................................................................521
Extended Address Space............................................................................................................. 521
Stateless Autoconfiguration........................................................................................................521
IPv6 Headers............................................................................................................................... 522
IPv6 Header Fields.......................................................................................................................523
Extension Header Fields..............................................................................................................524
IPv6 Addressing...........................................................................................................................525
IPv6 Implementation on the Dell Networking OS...........................................................................526
Configuring the LPM Table for IPv6 Extended Prefixes.................................................................. 528
ICMPv6.............................................................................................................................................. 529
Path MTU Discovery......................................................................................................................... 529
IPv6 Neighbor Discovery..................................................................................................................530
17
IPv6 Neighbor Discovery of MTU Packets..................................................................................531
Configuring the IPv6 Recursive DNS Server...............................................................................531
Secure Shell (SSH) Over an IPv6 Transport......................................................................................533
Configuration Tasks for IPv6............................................................................................................ 533
Adjusting Your CAM Profile........................................................................................................ 534
Assigning an IPv6 Address to an Interface.................................................................................534
Assigning a Static IPv6 Route......................................................................................................535
Configuring Telnet with IPv6......................................................................................................536
SNMP over IPv6...........................................................................................................................536
Displaying IPv6 Information....................................................................................................... 536
Displaying an IPv6 Configuration............................................................................................... 537
Displaying IPv6 Routes................................................................................................................538
Displaying the Running Configuration for an Interface............................................................ 539
Clearing IPv6 Routes...................................................................................................................539
Configuring IPv6 RA Guard.............................................................................................................. 540
26 Intermediate System to Intermediate System..........................................542
IS-IS Protocol Overview................................................................................................................... 542
IS-IS Addressing................................................................................................................................ 542
Multi-Topology IS-IS........................................................................................................................ 543
Transition Mode.......................................................................................................................... 543
Interface Support........................................................................................................................ 544
Adjacencies................................................................................................................................. 544
Graceful Restart................................................................................................................................ 544
Timers..........................................................................................................................................544
Implementation Information............................................................................................................545
Configuration Information............................................................................................................... 546
Configuration Tasks for IS-IS......................................................................................................546
Configuring the Distance of a Route..........................................................................................555
Changing the IS-Type.................................................................................................................555
Redistributing IPv4 Routes..........................................................................................................558
Redistributing IPv6 Routes..........................................................................................................559
Configuring Authentication Passwords......................................................................................559
Setting the Overload Bit............................................................................................................. 560
Debugging IS-IS...........................................................................................................................561
IS-IS Metric Styles............................................................................................................................. 562
Configure Metric Values................................................................................................................... 562
Maximum Values in the Routing Table...................................................................................... 563
Change the IS-IS Metric Style in One Level Only...................................................................... 563
Leaks from One Level to Another.............................................................................................. 564
Sample Configurations..................................................................................................................... 565
18
27 iSCSI Optimization.........................................................................................568
iSCSI Optimization Overview........................................................................................................... 568
Default iSCSI Optimization Values................................................................................................... 570
iSCSI Optimization Prerequisites......................................................................................................570
Configuring iSCSI Optimization....................................................................................................... 570
Displaying iSCSI Optimization Information......................................................................................573
Enable and Disable iSCSI Optimization............................................................................................574
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.............................................. 575
Monitoring iSCSI Traffic Flows..........................................................................................................575
Information Monitored in iSCSI Traffic Flows..................................................................................575
Detection and Auto-Configuration for Dell EqualLogic Arrays...................................................... 576
Configuring Detection and Ports for Dell Compellent Arrays.........................................................577
Application of Quality of Service to iSCSI Traffic Flows.................................................................. 577
28 Link Aggregation Control Protocol (LACP)...............................................579
Introduction to Dynamic LAGs and LACP........................................................................................579
Important Points to Remember..................................................................................................579
LACP Modes................................................................................................................................580
Configuring LACP Commands...................................................................................................580
LACP Configuration Tasks................................................................................................................ 581
Creating a LAG.............................................................................................................................581
Configuring the LAG Interfaces as Dynamic..............................................................................581
Setting the LACP Long Timeout.................................................................................................582
Monitoring and Debugging LACP.............................................................................................. 583
Shared LAG State Tracking............................................................................................................... 583
Configuring Shared LAG State Tracking.................................................................................... 584
Important Points about Shared LAG State Tracking..................................................................585
LACP Basic Configuration Example................................................................................................. 586
Configure a LAG on ALPHA........................................................................................................586
29 Layer 2..............................................................................................................594
Manage the MAC Address Table...................................................................................................... 594
Clearing the MAC Address Table................................................................................................594
Setting the Aging Time for Dynamic Entries..............................................................................594
Configuring a Static MAC Address............................................................................................. 595
Displaying the MAC Address Table.............................................................................................595
MAC Learning Limit...........................................................................................................................595
Setting the MAC Learning Limit..................................................................................................596
mac learning-limit Dynamic.......................................................................................................596
mac learning-limit mac-address-sticky.....................................................................................596
mac learning-limit station-move............................................................................................... 597
19
mac learning-limit no-station-move......................................................................................... 597
Learning Limit Violation Actions.................................................................................................597
Setting Station Move Violation Actions......................................................................................598
Recovering from Learning Limit and Station Move Violations..................................................598
NIC Teaming.....................................................................................................................................599
Configure Redundant Pairs..............................................................................................................600
Important Points about Configuring Redundant Pairs..............................................................602
Far-End Failure Detection................................................................................................................ 603
FEFD State Changes................................................................................................................... 604
Configuring FEFD........................................................................................................................605
Enabling FEFD on an Interface...................................................................................................606
Debugging FEFD......................................................................................................................... 607
30 Link Layer Discovery Protocol (LLDP)........................................................609
802.1AB (LLDP) Overview.................................................................................................................609
Protocol Data Units.................................................................................................................... 609
Optional TLVs....................................................................................................................................610
Management TLVs...................................................................................................................... 610
TIA-1057 (LLDP-MED) Overview...................................................................................................... 612
TIA Organizationally Specific TLVs............................................................................................. 613
Configure LLDP................................................................................................................................. 617
Related Configuration Tasks....................................................................................................... 617
Important Points to Remember..................................................................................................617
LLDP Compatibility......................................................................................................................618
CONFIGURATION versus INTERFACE Configurations....................................................................618
Enabling LLDP................................................................................................................................... 619
Disabling and Undoing LLDP...................................................................................................... 619
Enabling LLDP on Management Ports............................................................................................. 619
Disabling and Undoing LLDP on Management Ports................................................................ 619
Advertising TLVs................................................................................................................................620
Viewing the LLDP Configuration...................................................................................................... 621
Viewing Information Advertised by Adjacent LLDP Agents............................................................ 622
Configuring LLDPDU Intervals......................................................................................................... 623
Configuring Transmit and Receive Mode........................................................................................ 623
Configuring a Time to Live...............................................................................................................624
Debugging LLDP...............................................................................................................................625
Relevant Management Objects........................................................................................................626
31 Multicast Source Discovery Protocol (MSDP)...........................................632
Protocol Overview............................................................................................................................632
Anycast RP........................................................................................................................................ 634
Implementation Information............................................................................................................634
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