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Networking Z9500

Dell Networking Z9500 User guide

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Dell Networking Configuration Guide for the
Z9500 Switch
9.10(0.1)
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.
© 2016 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the
Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be
trademarks of their respective companies.
2016 - 05
Rev. A00
Contents
1 About this Guide.....................................................................................................................................................31
Audience.....................................................................................................................................................................31
Conventions...............................................................................................................................................................31
Related Documents..................................................................................................................................................31
2 Configuration Fundamentals.............................................................................................................................. 32
Accessing the Command Line...............................................................................................................................32
CLI Modes.................................................................................................................................................................. 32
Navigating CLI Modes........................................................................................................................................34
The do Command....................................................................................................................................................36
Undoing Commands................................................................................................................................................37
Obtaining Help..........................................................................................................................................................38
Entering and Editing Commands..........................................................................................................................38
Command History....................................................................................................................................................39
Filtering show Command Outputs....................................................................................................................... 39
Example of the grep Keyword......................................................................................................................... 39
Multiple Users in Configuration Mode................................................................................................................. 41
3 Getting Started...................................................................................................................................................... 42
Console Access.........................................................................................................................................................43
Serial Console......................................................................................................................................................43
Default Configuration..............................................................................................................................................44
Configuring a Host Name.......................................................................................................................................44
Accessing the System Remotely...........................................................................................................................44
Accessing the System Remotely..................................................................................................................... 44
Configure the Management Port IP Address................................................................................................45
Configure a Management Route.....................................................................................................................45
Configuring a Username and Password........................................................................................................ 45
Configuring the Enable Password........................................................................................................................ 46
Configuration File Management........................................................................................................................... 46
Managing the File System.................................................................................................................................46
Copy Files to and from the System.................................................................................................................47
Save the Running-Configuration.................................................................................................................... 48
Configure the Overload Bit for a Startup Scenario..................................................................................... 48
Using HTTP for File Transfers.......................................................................................................................... 48
View Configuration Files................................................................................................................................... 49
Enabling Software Features on Devices Using a Command Option.............................................................49
View Command History..........................................................................................................................................50
Upgrading Dell Networking OS.............................................................................................................................50
Verify Software Images Before Installation.........................................................................................................50
4 Management.......................................................................................................................................................... 52
Configuring Privilege Levels...................................................................................................................................52
Contents
3
Creating a Custom Privilege Level.................................................................................................................. 53
Removing a Command from EXEC Mode.....................................................................................................53
Moving a Command from EXEC Privilege Mode to EXEC Mode............................................................. 53
Allowing Access to CONFIGURATION Mode Commands.........................................................................53
Allowing Access to Different Modes...............................................................................................................53
Applying a Privilege Level to a Username......................................................................................................55
Applying a Privilege Level to a Terminal Line................................................................................................55
Configuring Logging................................................................................................................................................55
Audit and Security Logs.....................................................................................................................................56
Configuring Logging Format ..........................................................................................................................57
Setting Up a Secure Connection to a Syslog Server...................................................................................58
Track Login Activity..................................................................................................................................................59
Restrictions for Tracking Login Activity......................................................................................................... 59
Configuring Login Activity Tracking............................................................................................................... 59
Display Login Statistics......................................................................................................................................60
Limit Concurrent Login Sessions...........................................................................................................................61
Restrictions for Limiting the Number of Concurrent Sessions................................................................. 61
Configuring Concurrent Session Limit...........................................................................................................61
Enabling the System to Clear Existing Sessions...........................................................................................62
Log Messages in the Internal Buffer.....................................................................................................................62
Configuration Task List for System Log Management............................................................................... 63
Disabling System Logging...................................................................................................................................... 63
Sending System Messages to a Syslog Server....................................................................................................63
Configuring a UNIX System as a Syslog Server............................................................................................ 63
Display the Logging Buffer and the Logging Configuration........................................................................... 64
Changing System Logging Settings......................................................................................................................64
Configuring a UNIX Logging Facility Level..........................................................................................................65
Synchronizing Log Messages................................................................................................................................ 66
Enabling Timestamp on Syslog Messages...........................................................................................................67
File Transfer Services............................................................................................................................................... 67
Configuration Task List for File Transfer Services........................................................................................67
Enabling the FTP Server.....................................................................................................................................67
Configuring FTP Server Parameters............................................................................................................... 68
Configuring FTP Client Parameters................................................................................................................68
Terminal Lines...........................................................................................................................................................69
Denying and Permitting Access to a Terminal Line.................................................................................... 69
Configuring Login Authentication for Terminal Lines................................................................................ 70
Setting Timeout for EXEC Privilege Mode........................................................................................................... 71
Using Telnet to get to Another Network Device................................................................................................71
Lock CONFIGURATION Mode...............................................................................................................................72
Viewing the Configuration Lock Status..........................................................................................................72
Recovering from a Forgotten Password on the Z9000 System.....................................................................73
Ignoring the Startup Configuration and Booting from the Factory-Default Configuration.....................74
Recovering from a Failed Start on the Z9000 System......................................................................................74
Restoring the Factory Default Settings................................................................................................................ 75
Important Points to Remember.......................................................................................................................75
Restoring Factory Default Environment Variables....................................................................................... 75
9.10(0.1)
4
5 802.1X...................................................................................................................................................................... 78
Port-Authentication Process................................................................................................................................. 80
EAP over RADIUS.................................................................................................................................................81
Configuring 802.1X.................................................................................................................................................. 82
Related Configuration Tasks............................................................................................................................ 82
Important Points to Remember............................................................................................................................ 82
Enabling 802.1X........................................................................................................................................................ 83
Configuring dot1x Profile ...................................................................................................................................... 84
Configuring the Static MAB and MAB Profile .................................................................................................... 85
Configuring Critical VLAN ..................................................................................................................................... 85
Configuring MAC addresses for a do1x Profile.................................................................................................. 86
Configuring Request Identity Re-Transmissions............................................................................................... 87
Configuring a Quiet Period after a Failed Authentication..........................................................................87
Forcibly Authorizing or Unauthorizing a Port.................................................................................................... 88
Re-Authenticating a Port........................................................................................................................................89
Configuring Timeouts............................................................................................................................................. 90
Configuring Dynamic VLAN Assignment with Port Authentication...............................................................91
Guest and Authentication-Fail VLANs..................................................................................................................92
Configuring a Guest VLAN................................................................................................................................92
Configuring an Authentication-Fail VLAN.....................................................................................................92
6 Access Control Lists (ACLs)................................................................................................................................. 94
IP Access Control Lists (ACLs)............................................................................................................................... 95
CAM Usage...........................................................................................................................................................95
Implementing ACLs on Dell Networking OS................................................................................................96
IP Fragment Handling..............................................................................................................................................98
IP Fragments ACL Examples............................................................................................................................ 98
Layer 4 ACL Rules Examples............................................................................................................................ 98
Configure a Standard IP ACL................................................................................................................................. 99
Configuring a Standard IP ACL Filter............................................................................................................100
Configure an Extended IP ACL............................................................................................................................ 101
Configuring Filters with a Sequence Number.............................................................................................101
Configuring Filters Without a Sequence Number..................................................................................... 102
Configure Layer 2 and Layer 3 ACLs.................................................................................................................. 103
Using ACL VLAN Groups.......................................................................................................................................103
Guidelines for Configuring ACL VLAN Groups...........................................................................................104
Configuring an ACL VLAN Group..................................................................................................................104
Allocating ACL VLAN CAM..............................................................................................................................105
Applying an IP ACL.................................................................................................................................................105
Configure Ingress ACLs...................................................................................................................................106
Configure Egress ACLs.................................................................................................................................... 107
Applying Egress Layer 3 ACLs (Control-Plane).......................................................................................... 108
Counting ACL Hits............................................................................................................................................108
IP Prefix Lists............................................................................................................................................................108
Implementation Information..........................................................................................................................109
Configuration Task List for Prefix Lists.........................................................................................................109
Contents
5
ACL Resequencing..................................................................................................................................................112
Resequencing an ACL or Prefix List...............................................................................................................113
Route Maps.............................................................................................................................................................. 114
Implementation Information.......................................................................................................................... 114
Important Points to Remember...........................................................................................................................114
Configuration Task List for Route Maps....................................................................................................... 115
Configuring Match Routes.............................................................................................................................. 117
Configuring Set Conditions............................................................................................................................ 118
Configure a Route Map for Route Redistribution...................................................................................... 119
Configure a Route Map for Route Tagging................................................................................................. 119
Continue Clause............................................................................................................................................... 120
Configuring UDF ACL............................................................................................................................................ 120
7 Bare Metal Provisioning (BMP)..........................................................................................................................124
Support for BMP on the S6000 Switch..............................................................................................................124
Enhanced Behavior of the stop bmp Command.............................................................................................124
Removal of the Deprecated User-Defined String Parameter with reload-type Command...................124
Service Tag Information in the Option 60 String.............................................................................................124
Replacement of stop jump-start Command With the stop bmp Command............................................124
8 Bidirectional Forwarding Detection (BFD)..................................................................................................... 125
How BFD Works......................................................................................................................................................125
BFD Packet Format...........................................................................................................................................126
BFD Sessions......................................................................................................................................................127
BFD Three-Way Handshake........................................................................................................................... 128
Session State Changes.................................................................................................................................... 130
Important Points to Remember.......................................................................................................................... 130
Configure BFD.........................................................................................................................................................130
Configure BFD for Static Routes....................................................................................................................131
Configure BFD for OSPF..................................................................................................................................132
Configure BFD for OSPFv3............................................................................................................................. 135
Configure BFD for IS-IS...................................................................................................................................136
Configure BFD for BGP................................................................................................................................... 138
Configure BFD for VRRP................................................................................................................................. 145
Configuring Protocol Liveness.......................................................................................................................147
9 Border Gateway Protocol IPv4 (BGPv4)......................................................................................................... 148
Autonomous Systems (AS)................................................................................................................................... 148
Sessions and Peers.................................................................................................................................................150
Establish a Session............................................................................................................................................ 151
Route Reflectors......................................................................................................................................................151
BGP Attributes......................................................................................................................................................... 152
Best Path Selection Criteria............................................................................................................................ 153
Weight................................................................................................................................................................. 155
Local Preference............................................................................................................................................... 155
Multi-Exit Discriminators (MEDs)...................................................................................................................155
Origin...................................................................................................................................................................156
9.10(0.1)
6
AS Path................................................................................................................................................................ 157
Next Hop.............................................................................................................................................................157
Multiprotocol BGP.................................................................................................................................................. 157
Implement BGP with Dell Networking OS........................................................................................................ 158
Additional Path (Add-Path) Support..............................................................................................................158
Advertise IGP Cost as MED for Redistributed Routes............................................................................... 158
Ignore Router-ID in Best-Path Calculation.................................................................................................159
Four-Byte AS Numbers....................................................................................................................................159
AS4 Number Representation..........................................................................................................................159
AS Number Migration.......................................................................................................................................161
BGP4 Management Information Base (MIB)...............................................................................................163
Important Points to Remember.....................................................................................................................163
Configuration Information................................................................................................................................... 164
BGP Configuration................................................................................................................................................. 164
Enabling BGP..................................................................................................................................................... 165
Configuring AS4 Number Representations.................................................................................................168
Configuring Peer Groups................................................................................................................................169
Configuring BGP Fast Fall-Over.....................................................................................................................172
Configuring Passive Peering...........................................................................................................................173
Maintaining Existing AS Numbers During an AS Migration...................................................................... 174
Allowing an AS Number to Appear in its Own AS Path.............................................................................175
Enabling Neighbor Graceful Restart............................................................................................................. 176
Filtering on an AS-Path Attribute...................................................................................................................176
Regular Expressions as Filters.........................................................................................................................178
Redistributing Routes.......................................................................................................................................179
Enabling Additional Paths............................................................................................................................... 180
Configuring IP Community Lists................................................................................................................... 180
Configuring an IP Extended Community List..............................................................................................181
Filtering Routes with Community Lists........................................................................................................ 182
Manipulating the COMMUNITY Attribute.................................................................................................... 183
Changing MED Attributes............................................................................................................................... 184
Changing the LOCAL_PREFERENCE Attribute...........................................................................................184
Configuring the local System or a Different System to be the Next Hop for BGP-Learned
Routes................................................................................................................................................................. 185
Changing the WEIGHT Attribute................................................................................................................... 186
Enabling Multipath............................................................................................................................................186
Filtering BGP Routes........................................................................................................................................ 186
Filtering BGP Routes Using Route Maps......................................................................................................188
Filtering BGP Routes Using AS-PATH Information....................................................................................188
Configuring BGP Route Reflectors...............................................................................................................189
Aggregating Routes..........................................................................................................................................189
Configuring BGP Confederations................................................................................................................. 190
Enabling Route Flap Dampening...................................................................................................................190
Changing BGP Timers......................................................................................................................................193
Enabling BGP Neighbor Soft-Reconfiguration...........................................................................................193
Route Map Continue........................................................................................................................................194
Enabling MBGP Configurations...........................................................................................................................195
Contents
7
BGP Regular Expression Optimization...............................................................................................................195
Debugging BGP...................................................................................................................................................... 196
Storing Last and Bad PDUs.............................................................................................................................196
Capturing PDUs.................................................................................................................................................197
PDU Counters................................................................................................................................................... 198
Sample Configurations..........................................................................................................................................199
10 Content Addressable Memory (CAM)............................................................................................................205
CAM Allocation.......................................................................................................................................................205
Test CAM Usage..................................................................................................................................................... 207
View CAM-ACL Settings....................................................................................................................................... 207
View CAM Usage....................................................................................................................................................208
Return to the Default CAM Configuration........................................................................................................209
CAM Optimization................................................................................................................................................. 209
Applications for CAM Profiling............................................................................................................................209
LAG HashingLAG Hashing Based on Bidirectional Flow..........................................................................209
Unified Forwarding Table (UFT) Modes............................................................................................................. 210
Configuring UFT Modes..................................................................................................................................210
11 Control Plane Policing (CoPP).........................................................................................................................211
Z9500 CoPP Implementation..............................................................................................................................213
Protocol-based Control Plane Policing.......................................................................................................213
Queue-based Control Plane Policing.......................................................................................................... 213
CoPP Example.........................................................................................................................................................215
Configure Control Plane Policing.......................................................................................................................216
Configuring CoPP for Protocols....................................................................................................................216
Examples of Configuring CoPP for Protocols............................................................................................219
Configuring CoPP for CPU Queues.............................................................................................................220
Examples of Configuring CoPP for CPU Queues...................................................................................... 221
Displaying CoPP Configuration .................................................................................................................... 221
Troubleshooting CoPP Operation......................................................................................................................224
Enabling CPU Traffic Statistics.......................................................................................................................224
Viewing CPU Traffic Statistics........................................................................................................................224
Troubleshooting CPU Packet Loss...............................................................................................................224
Viewing Per-Protocol CoPP Counters........................................................................................................ 226
Viewing Per-Queue CoPP Counters............................................................................................................228
12 Data Center Bridging (DCB)............................................................................................................................ 230
Ethernet Enhancements in Data Center Bridging...........................................................................................230
Priority-Based Flow Control...........................................................................................................................232
Enhanced Transmission Selection................................................................................................................233
Data Center Bridging Exchange Protocol (DCBx).....................................................................................234
Data Center Bridging in a Traffic Flow.........................................................................................................234
Priority-Based Flow Control................................................................................................................................ 234
Enhanced Transmission Selection......................................................................................................................235
Data Center Bridging Exchange Protocol (DCBx)...........................................................................................236
Enabling Data Center Bridging............................................................................................................................ 237
9.10(0.1)
8
DCB Maps and its Attributes...........................................................................................................................237
Data Center Bridging: Default Configuration.................................................................................................. 238
Configuring Priority-Based Flow Control......................................................................................................... 238
Configuring Lossless Queues........................................................................................................................ 239
Configuring PFC in a DCB Map...........................................................................................................................240
PFC Configuration Notes............................................................................................................................... 240
PFC Prerequisites and Restrictions............................................................................................................... 241
Applying a DCB Map on a Port............................................................................................................................242
Configuring PFC without a DCB Map................................................................................................................242
Configuring Lossless QueuesExample:....................................................................................................... 243
Priority-Based Flow Control Using Dynamic Buffer Method....................................................................... 244
Pause and Resume of Traffic.........................................................................................................................244
Buffer Sizes for Lossless or PFC Packets.....................................................................................................245
Behavior of Tagged Packets................................................................................................................................ 245
Operations on Untagged Packets...................................................................................................................... 246
Configuration Example for DSCP and PFC Priorities..................................................................................... 246
SNMP Support for PFC and Buffer Statistics Tracking....................................................................................247
Generation of PFC for a Priority for Untagged Packets.................................................................................247
Performing PFC Using DSCP Bits Instead of 802.1p Bits...............................................................................247
PFC and ETS Configuration Examples...............................................................................................................248
Using PFC to Manage Converged Ethernet Traffic.........................................................................................248
Configure Enhanced Transmission Selection..................................................................................................248
ETS Prerequisites and Restrictions............................................................................................................... 249
Creating an ETS Priority Group..................................................................................................................... 249
ETS Operation with DCBx.............................................................................................................................. 250
Configuring Bandwidth Allocation for DCBx CIN..................................................................................... 250
Hierarchical Scheduling in ETS Output Policies...............................................................................................251
Applying the DCB Policies on Linecard.............................................................................................................252
Applying DCB Policies on SFM Ports..................................................................................................................252
Using ETS to Manage Converged Ethernet Traffic......................................................................................... 252
Configure a DCBx Operation...............................................................................................................................252
DCBx Operation................................................................................................................................................253
DCBx Port Roles............................................................................................................................................... 253
DCB Configuration Exchange....................................................................................................................... 254
Configuration Source Election...................................................................................................................... 255
Propagation of DCB Information..................................................................................................................255
Auto-Detection and Manual Configuration of the DCBx Version......................................................... 255
DCBx Example.................................................................................................................................................. 256
DCBx Prerequisites and Restrictions............................................................................................................256
Configuring DCBx.............................................................................................................................................257
Verifying the DCB Configuration........................................................................................................................260
QoS dot1p Traffic Classification and Queue Assignment............................................................................. 266
Configuring the Dynamic Buffer Method......................................................................................................... 267
Sample DCB Configuration..................................................................................................................................268
PFC and ETS Configuration Command Examples.................................................................................... 270
13 Debugging and Diagnostics............................................................................................................................ 271
Contents
9
Offline Diagnostics................................................................................................................................................. 271
Important Points to Remember.....................................................................................................................271
Running Offline Diagnostics...........................................................................................................................271
Examples of Running Offline Diagnostics.................................................................................................. 280
TRACE Logs............................................................................................................................................................. 287
Auto Save on Crash or Rollover.................................................................................................................... 287
Last Restart Reason................................................................................................................................................287
show hardware Commands.................................................................................................................................287
Environmental Monitoring................................................................................................................................... 290
Display Power Supply Status..........................................................................................................................290
Display Fan Status.............................................................................................................................................291
Display Transceiver Type................................................................................................................................ 291
Recognize an Over-Temperature Condition............................................................................................. 293
Troubleshoot an Over-Temperature Condition........................................................................................294
Troubleshooting Packet Loss.............................................................................................................................. 295
Displaying Drop Counters.............................................................................................................................. 295
Displaying Dataplane Statistics......................................................................................................................297
Displaying Line Card Counters......................................................................................................................299
Accessing Application Core Dumps.................................................................................................................. 300
Mini Core Dumps...................................................................................................................................................300
Full Kernel Core Dumps........................................................................................................................................301
Enabling TCP Dumps.............................................................................................................................................301
14 Dynamic Host Configuration Protocol (DHCP)...........................................................................................303
DHCP Packet Format and Options.................................................................................................................... 303
Assign an IP Address using DHCP...................................................................................................................... 305
Implementation Information...............................................................................................................................306
Configure the System to be a DHCP Server.................................................................................................... 306
Configuring the Server for Automatic Address Allocation...................................................................... 307
Specifying a Default Gateway........................................................................................................................308
Configure a Method of Hostname Resolution.......................................................................................... 308
Using DNS for Address Resolution...............................................................................................................308
Using NetBIOS WINS for Address Resolution............................................................................................ 309
Creating Manual Binding Entries...................................................................................................................309
Debugging the DHCP Server.........................................................................................................................309
Using DHCP Clear Commands......................................................................................................................310
Configure the System to be a Relay Agent.......................................................................................................310
Configure the System to be a DHCP Client......................................................................................................312
DHCP Client on a Management Interface...................................................................................................312
DHCP Client Operation with Other Features............................................................................................. 312
Configure Secure DHCP....................................................................................................................................... 313
Option 82........................................................................................................................................................... 313
DHCP Snooping................................................................................................................................................314
Configuring the DHCP secondary-subnet.................................................................................................. 317
Drop DHCP Packets on Snooped VLANs Only.......................................................................................... 318
Dynamic ARP Inspection.................................................................................................................................318
Configuring Dynamic ARP Inspection..........................................................................................................319
9.10(0.1)
10
Source Address Validation................................................................................................................................... 320
Enabling IP Source Address Validation........................................................................................................320
DHCP MAC Source Address Validation........................................................................................................321
Enabling IP+MAC Source Address Validation.............................................................................................321
Viewing the Number of SAV Dropped Packets..........................................................................................322
Clearing the Number of SAV Dropped Packets......................................................................................... 322
15 Equal Cost Multi-Path (ECMP)........................................................................................................................ 323
ECMP for Flow-Based Affinity............................................................................................................................. 323
Enabling Deterministic ECMP Next Hop..................................................................................................... 323
Configuring the Hash Algorithm Seed.........................................................................................................323
Link Bundle Monitoring.........................................................................................................................................324
Managing ECMP Group Paths....................................................................................................................... 324
Creating an ECMP Group Bundle................................................................................................................. 324
Modifying the ECMP Group Threshold........................................................................................................325
RTAG7....................................................................................................................................................................... 325
Flow-based Hashing for ECMP........................................................................................................................... 327
ECMP Support in L3 Host and LPM Tables.......................................................................................................329
16 FIP Snooping...................................................................................................................................................... 331
Fibre Channel over Ethernet................................................................................................................................ 331
Ensure Robustness in a Converged Ethernet Network.................................................................................. 331
FIP Snooping on Ethernet Bridges......................................................................................................................333
Using FIP Snooping................................................................................................................................................335
FIP Snooping Prerequisites.............................................................................................................................335
Important Points to Remember.................................................................................................................... 335
Enabling the FCoE Transit Feature............................................................................................................... 336
Enable FIP Snooping on VLANs.....................................................................................................................336
Configure the FC-MAP Value.........................................................................................................................337
Configure a Port for a Bridge-to-Bridge Link.............................................................................................337
Configure a Port for a Bridge-to-FCF Link................................................................................................. 337
Impact on Other Software Features............................................................................................................. 337
FIP Snooping Restrictions...............................................................................................................................338
Configuring FIP Snooping.............................................................................................................................. 338
FCoE Transit Configuration Example.................................................................................................................339
Displaying FIP Snooping Information................................................................................................................340
17 FIPS Cryptography............................................................................................................................................344
Configuration Tasks...............................................................................................................................................344
Preparing the System............................................................................................................................................ 344
Enabling FIPS Mode............................................................................................................................................... 345
Generating Host-Keys...........................................................................................................................................345
Monitoring FIPS Mode Status.............................................................................................................................. 345
Disabling FIPS Mode..............................................................................................................................................348
18 Flex Hash............................................................................................................................................................ 349
Flex Hash Capability Overview............................................................................................................................349
Contents
11
Configuring the Flex Hash Mechanism............................................................................................................. 349
RDMA Over Converged Ethernet (RoCE) Overview....................................................................................... 350
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces............................................................................351
19 Force10 Resilient Ring Protocol (FRRP)........................................................................................................352
Protocol Overview................................................................................................................................................. 352
Ring Status......................................................................................................................................................... 353
Multiple FRRP Rings......................................................................................................................................... 353
Important FRRP Points.................................................................................................................................... 354
Important FRRP Concepts..............................................................................................................................355
Implementing FRRP............................................................................................................................................... 356
FRRP Configuration............................................................................................................................................... 356
Creating the FRRP Group............................................................................................................................... 356
Configuring the Control VLAN...................................................................................................................... 357
Configuring and Adding the Member VLANs.............................................................................................358
Setting the FRRP Timers..................................................................................................................................359
Clearing the FRRP Counters.......................................................................................................................... 359
Viewing the FRRP Configuration...................................................................................................................359
Viewing the FRRP Information...................................................................................................................... 359
Troubleshooting FRRP..........................................................................................................................................360
Configuration Checks..................................................................................................................................... 360
Sample Configuration and Topology................................................................................................................ 360
20 GARP VLAN Registration Protocol (GVRP)...................................................................................................362
Important Points to Remember.......................................................................................................................... 362
Configure GVRP..................................................................................................................................................... 363
Related Configuration Tasks..........................................................................................................................363
Enabling GVRP Globally........................................................................................................................................363
Enabling GVRP on a Layer 2 Interface...............................................................................................................364
Configure GVRP Registration.............................................................................................................................. 364
Configure a GARP Timer...................................................................................................................................... 365
21 Internet Group Management Protocol (IGMP)............................................................................................366
IGMP Implementation Information....................................................................................................................366
IGMP Protocol Overview......................................................................................................................................366
IGMP Version 2................................................................................................................................................. 366
IGMP Version 3................................................................................................................................................. 368
Configure IGMP......................................................................................................................................................370
Related Configuration Tasks...........................................................................................................................371
Viewing IGMP Enabled Interfaces....................................................................................................................... 371
Selecting an IGMP Version....................................................................................................................................371
Viewing IGMP Groups........................................................................................................................................... 372
Adjusting Timers..................................................................................................................................................... 372
Adjusting Query and Response Timers........................................................................................................372
Adjusting the IGMP Querier Timeout Value................................................................................................373
Configuring a Static IGMP Group....................................................................................................................... 373
Enabling IGMP Immediate-Leave....................................................................................................................... 373
9.10(0.1)
12
IGMP Snooping.......................................................................................................................................................374
IGMP Snooping Implementation Information............................................................................................374
Configuring IGMP Snooping..........................................................................................................................374
Removing a Group-Port Association........................................................................................................... 375
Disabling Multicast Flooding.......................................................................................................................... 375
Specifying a Port as Connected to a Multicast Router.............................................................................375
Configuring the Switch as Querier............................................................................................................... 376
Fast Convergence after MSTP Topology Changes......................................................................................... 376
Designating a Multicast Router Interface..........................................................................................................376
22 Interfaces............................................................................................................................................................ 377
Basic Interface Configuration.............................................................................................................................. 377
Advanced Interface Configuration......................................................................................................................377
Port Numbering Convention............................................................................................................................... 378
Interface Types....................................................................................................................................................... 379
View Basic Interface Information........................................................................................................................379
Resetting an Interface to its Factory Default State......................................................................................... 380
Enabling a Physical Interface............................................................................................................................... 381
Physical Interfaces..................................................................................................................................................381
Port-Pipes.......................................................................................................................................................... 382
Network Processing Units (NPUs)................................................................................................................ 382
Configuration Task List for Physical Interfaces..........................................................................................382
Overview of Layer Modes...............................................................................................................................382
Configuring Layer 2 (Data Link) Mode......................................................................................................... 383
Configuring Layer 2 (Interface) Mode..........................................................................................................383
Configuring Layer 3 (Network) Mode.......................................................................................................... 384
Configuring Layer 3 (Interface) Mode..........................................................................................................384
Egress Interface Selection (EIS)...........................................................................................................................385
Important Points to Remember.................................................................................................................... 385
Configuring EIS.................................................................................................................................................385
Management Interfaces........................................................................................................................................386
Configuring Management Interfaces...........................................................................................................386
Configuring a Management Interface on an Ethernet Port.................................................................... 387
VLAN Interfaces......................................................................................................................................................388
Loopback Interfaces..............................................................................................................................................389
Null Interfaces.........................................................................................................................................................389
Port Channel Interfaces........................................................................................................................................389
Port Channel Definition and Standards.......................................................................................................389
Port Channel Benefits..................................................................................................................................... 390
Port Channel Implementation.......................................................................................................................390
Interfaces in Port Channels............................................................................................................................390
Configuration Tasks for Port Channel Interfaces...................................................................................... 391
Creating a Port Channel..................................................................................................................................391
Adding a Physical Interface to a Port Channel...........................................................................................391
Reassigning an Interface to a New Port Channel......................................................................................393
Configuring the Minimum Oper Up Links in a Port Channel..................................................................394
Adding or Removing a Port Channel from a VLAN...................................................................................394
Contents
13
Assigning an IP Address to a Port Channel.................................................................................................395
Deleting or Disabling a Port Channel...........................................................................................................395
Load Balancing Through Port Channels..................................................................................................... 396
Changing the Hash Algorithm.......................................................................................................................396
Bulk Configuration................................................................................................................................................. 397
Interface Range.................................................................................................................................................397
Bulk Configuration Examples.........................................................................................................................397
Defining Interface Range Macros.......................................................................................................................399
Define the Interface Range............................................................................................................................ 399
Choosing an Interface-Range Macro.......................................................................................................... 399
Monitoring and Maintaining Interfaces.............................................................................................................400
Displaying Traffic Statistics on HiGig Ports.......................................................................................................401
Link Bundle Monitoring.........................................................................................................................................401
Monitoring HiGig Link Bundles........................................................................................................................... 402
Guidelines for Monitoring HiGig Link-Bundles .........................................................................................402
Enabling HiGig Link-Bundle Monitoring..................................................................................................... 403
Splitting 40G Ports without Reload................................................................................................................... 404
Splitting QSFP Ports to SFP+ Ports.................................................................................................................... 405
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port....................................................................405
Configuring wavelength for 10–Gigabit SFP+ optics.................................................................................... 406
Link Dampening..................................................................................................................................................... 407
Important Points to Remember.................................................................................................................... 407
Enabling Link Dampening...............................................................................................................................407
Using Ethernet Pause Frames for Flow Control..............................................................................................409
Enabling Pause Frames...................................................................................................................................409
Configure the MTU Size on an Interface...........................................................................................................410
Auto-Negotiation on Ethernet Interfaces..........................................................................................................411
Set Auto-Negotiation Options....................................................................................................................... 411
View Advanced Interface Information............................................................................................................... 412
Configuring the Interface Sampling Size.....................................................................................................412
Dynamic Counters................................................................................................................................................. 413
Clearing Interface Counters...........................................................................................................................414
23 Internet Protocol Security (IPSec)................................................................................................................. 415
Configuring IPSec ..................................................................................................................................................415
24 IPv4 Routing.......................................................................................................................................................417
IP Addresses.............................................................................................................................................................418
Implementation Information..........................................................................................................................418
Configuration Tasks for IP Addresses................................................................................................................ 418
Assigning IP Addresses to an Interface..............................................................................................................418
Configuring Static Routes.....................................................................................................................................419
Configure Static Routes for the Management Interface............................................................................... 420
Enabling Directed Broadcast...............................................................................................................................420
Resolution of Host Names....................................................................................................................................421
Enabling Dynamic Resolution of Host Names................................................................................................. 421
Specifying the Local System Domain and a List of Domains........................................................................421
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14
Configuring DNS with Traceroute......................................................................................................................422
ARP............................................................................................................................................................................ 423
Configuration Tasks for ARP................................................................................................................................423
Configuring Static ARP Entries............................................................................................................................ 423
Enabling Proxy ARP............................................................................................................................................... 424
Clearing ARP Cache.............................................................................................................................................. 424
ARP Learning via Gratuitous ARP........................................................................................................................424
Enabling ARP Learning via Gratuitous ARP.......................................................................................................424
ARP Learning via ARP Request............................................................................................................................ 425
Configuring ARP Retries....................................................................................................................................... 425
ICMP......................................................................................................................................................................... 426
Configuration Tasks for ICMP............................................................................................................................. 426
Enabling ICMP Unreachable Messages............................................................................................................. 426
UDP Helper..............................................................................................................................................................427
Configure UDP Helper.................................................................................................................................... 427
Important Points to Remember.................................................................................................................... 427
Enabling UDP Helper.............................................................................................................................................427
Configuring a Broadcast Address....................................................................................................................... 427
Configurations Using UDP Helper......................................................................................................................428
UDP Helper with Broadcast-All Addresses.......................................................................................................428
UDP Helper with Subnet Broadcast Addresses............................................................................................... 429
UDP Helper with Configured Broadcast Addresses....................................................................................... 429
UDP Helper with No Configured Broadcast Addresses.................................................................................430
Troubleshooting UDP Helper..............................................................................................................................430
25 IPv6 Routing.......................................................................................................................................................431
Protocol Overview................................................................................................................................................. 431
Extended Address Space.................................................................................................................................432
Stateless Autoconfiguration...........................................................................................................................432
IPv6 Headers..................................................................................................................................................... 432
IPv6 Header Fields............................................................................................................................................433
Extension Header Fields..................................................................................................................................435
Addressing......................................................................................................................................................... 436
Implementing IPv6 with Dell Networking OS.................................................................................................. 437
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support................................................................. 437
ICMPv6..................................................................................................................................................................... 437
Path MTU Discovery.............................................................................................................................................. 437
IPv6 Neighbor Discovery......................................................................................................................................438
IPv6 Neighbor Discovery of MTU Packets..................................................................................................439
Configuration Task List for IPv6 RDNSS......................................................................................................439
Secure Shell (SSH) Over an IPv6 Transport.......................................................................................................441
Configuration Tasks for IPv6................................................................................................................................441
Adjusting Your CAM-Profile........................................................................................................................... 441
Assigning an IPv6 Address to an Interface..................................................................................................442
Assigning a Static IPv6 Route.........................................................................................................................443
Configuring Telnet with IPv6.........................................................................................................................443
SNMP over IPv6................................................................................................................................................ 443
Contents
15
Displaying IPv6 Information...........................................................................................................................444
Displaying an IPv6 Interface Information....................................................................................................444
Showing IPv6 Routes.......................................................................................................................................445
Showing the Running-Configuration for an Interface.............................................................................446
Clearing IPv6 Routes....................................................................................................................................... 447
Configuring IPv6 RA Guard..................................................................................................................................447
Configuring IPv6 RA Guard on an Interface...............................................................................................449
Monitoring IPv6 RA Guard..............................................................................................................................449
26 iSCSI Optimization........................................................................................................................................... 450
iSCSI Optimization Overview.............................................................................................................................. 450
Default iSCSI Optimization Values..................................................................................................................... 452
iSCSI Optimization Prerequisites........................................................................................................................ 452
Configuring iSCSI Optimization..........................................................................................................................452
Displaying iSCSI Optimization Information......................................................................................................454
Enable and Disable iSCSI Optimization.............................................................................................................456
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 456
Monitoring iSCSI Traffic Flows............................................................................................................................ 456
Information Monitored in iSCSI Traffic Flows.................................................................................................. 457
Detection and Auto-Configuration for Dell EqualLogic Arrays....................................................................457
Configuring Detection and Ports for Dell Compellent Arrays......................................................................458
Application of Quality of Service to iSCSI Traffic Flows................................................................................ 458
27 Intermediate System to Intermediate System.............................................................................................459
IS-IS Protocol Overview....................................................................................................................................... 459
IS-IS Addressing......................................................................................................................................................459
Multi-Topology IS-IS.............................................................................................................................................460
Transition Mode............................................................................................................................................... 460
Interface Support..............................................................................................................................................461
Adjacencies........................................................................................................................................................461
Graceful Restart...................................................................................................................................................... 461
Timers................................................................................................................................................................. 461
Implementation Information............................................................................................................................... 462
Configuration Information...................................................................................................................................462
Configuration Tasks for IS-IS.........................................................................................................................463
Configuring the Distance of a Route........................................................................................................... 470
Changing the IS-Type......................................................................................................................................471
Redistributing IPv4 Routes..............................................................................................................................473
Redistributing IPv6 Routes............................................................................................................................. 474
Configuring Authentication Passwords....................................................................................................... 475
Setting the Overload Bit..................................................................................................................................475
Debugging IS-IS................................................................................................................................................476
IS-IS Metric Styles...................................................................................................................................................477
Configure Metric Values........................................................................................................................................477
Maximum Values in the Routing Table........................................................................................................ 477
Change the IS-IS Metric Style in One Level Only...................................................................................... 477
Leaks from One Level to Another.................................................................................................................479
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Sample Configurations.........................................................................................................................................480
28 Link Aggregation Control Protocol (LACP)................................................................................................. 482
Introduction to Dynamic LAGs and LACP........................................................................................................ 482
Important Points to Remember.................................................................................................................... 482
LACP Modes...................................................................................................................................................... 483
Configuring LACP Commands......................................................................................................................483
LACP Configuration Tasks................................................................................................................................... 484
Creating a LAG..................................................................................................................................................484
Configuring the LAG Interfaces as Dynamic..............................................................................................484
Setting the LACP Long Timeout....................................................................................................................485
Monitoring and Debugging LACP.................................................................................................................485
Shared LAG State Tracking.................................................................................................................................. 486
Configuring Shared LAG State Tracking......................................................................................................486
Important Points about Shared LAG State Tracking................................................................................. 487
LACP Basic Configuration Example................................................................................................................... 488
Configure a LAG on ALPHA........................................................................................................................... 488
29 Layer 2.................................................................................................................................................................497
Manage the MAC Address Table.........................................................................................................................497
Clearing the MAC Address Table.................................................................................................................. 497
Setting the Aging Time for Dynamic Entries.............................................................................................. 497
Configuring a Static MAC Address............................................................................................................... 498
Displaying the MAC Address Table...............................................................................................................498
MAC Learning Limit............................................................................................................................................... 498
Setting the MAC Learning Limit.................................................................................................................... 499
mac learning-limit Dynamic..........................................................................................................................499
mac learning-limit mac-address-sticky......................................................................................................499
mac learning-limit station-move................................................................................................................. 500
mac learning-limit no-station-move...........................................................................................................500
Learning Limit Violation Actions................................................................................................................... 500
Setting Station Move Violation Actions........................................................................................................501
Recovering from Learning Limit and Station Move Violations................................................................501
Disabling MAC Address Learning on the System............................................................................................ 502
NIC Teaming........................................................................................................................................................... 502
Configure Redundant Pairs..................................................................................................................................503
Important Points about Configuring Redundant Pairs.............................................................................505
Far-End Failure Detection....................................................................................................................................506
FEFD State Changes.........................................................................................................................................507
Configuring FEFD.............................................................................................................................................508
Enabling FEFD on an Interface......................................................................................................................508
Debugging FEFD...............................................................................................................................................509
30 Link Layer Discovery Protocol (LLDP)........................................................................................................... 511
802.1AB (LLDP) Overview......................................................................................................................................511
Protocol Data Units.......................................................................................................................................... 511
Optional TLVs.......................................................................................................................................................... 512
Contents
17
Management TLVs............................................................................................................................................513
TIA-1057 (LLDP-MED) Overview.........................................................................................................................514
TIA Organizationally Specific TLVs................................................................................................................515
Configure LLDP.......................................................................................................................................................518
Related Configuration Tasks.......................................................................................................................... 519
Important Points to Remember.....................................................................................................................519
LLDP Compatibility...........................................................................................................................................519
CONFIGURATION versus INTERFACE Configurations...................................................................................519
Enabling LLDP.........................................................................................................................................................520
Disabling and Undoing LLDP.........................................................................................................................520
Enabling LLDP on Management Ports...............................................................................................................520
Disabling and Undoing LLDP on Management Ports...............................................................................520
Advertising TLVs......................................................................................................................................................521
Viewing the LLDP Configuration.........................................................................................................................522
Viewing Information Advertised by Adjacent LLDP Agents...........................................................................523
Configuring LLDPDU Intervals............................................................................................................................ 524
Configuring Transmit and Receive Mode......................................................................................................... 524
Configuring the Time to Live Value....................................................................................................................525
Debugging LLDP.................................................................................................................................................... 526
Relevant Management Objects...........................................................................................................................526
31 Microsoft Network Load Balancing............................................................................................................... 532
NLB Unicast and Multicast Modes......................................................................................................................532
NLB Unicast Mode Example...........................................................................................................................532
NLB Multicast Mode Example........................................................................................................................532
NLB Benefits............................................................................................................................................................ 533
NLB Restrictions..................................................................................................................................................... 533
NLB VLAN Flooding................................................................................................................................................533
Configuring NLB on a Switch.............................................................................................................................. 534
32 Multicast Source Discovery Protocol (MSDP)..............................................................................................535
Protocol Overview................................................................................................................................................. 535
Anycast RP............................................................................................................................................................... 536
Implementation Information................................................................................................................................537
Configure Multicast Source Discovery Protocol............................................................................................. 537
Related Configuration Tasks.......................................................................................................................... 537
Enable MSDP........................................................................................................................................................... 541
Manage the Source-Active Cache......................................................................................................................542
Viewing the Source-Active Cache................................................................................................................542
Limiting the Source-Active Cache................................................................................................................542
Clearing the Source-Active Cache...............................................................................................................543
Enabling the Rejected Source-Active Cache............................................................................................. 543
Accept Source-Active Messages that Fail the RFP Check.............................................................................543
Specifying Source-Active Messages.................................................................................................................. 546
Limiting the Source-Active Messages from a Peer......................................................................................... 547
Preventing MSDP from Caching a Local Source.............................................................................................547
Preventing MSDP from Caching a Remote Source........................................................................................548
9.10(0.1)
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Preventing MSDP from Advertising a Local Source........................................................................................548
Logging Changes in Peership States..................................................................................................................549
Terminating a Peership.........................................................................................................................................549
Clearing Peer Statistics......................................................................................................................................... 550
Debugging MSDP...................................................................................................................................................550
MSDP with Anycast RP.......................................................................................................................................... 551
Configuring Anycast RP........................................................................................................................................ 552
Reducing Source-Active Message Flooding...............................................................................................553
Specifying the RP Address Used in SA Messages.......................................................................................553
MSDP Sample Configurations............................................................................................................................. 553
33 Multiple Spanning Tree Protocol (MSTP)..................................................................................................... 554
Protocol Overview................................................................................................................................................. 554
Spanning Tree Variations......................................................................................................................................555
Implementation Information..........................................................................................................................555
Configure Multiple Spanning Tree Protocol.....................................................................................................555
Related Configuration Tasks.......................................................................................................................... 555
Enable Multiple Spanning Tree Globally........................................................................................................... 556
Adding and Removing Interfaces........................................................................................................................556
Creating Multiple Spanning Tree Instances......................................................................................................556
Influencing MSTP Root Selection....................................................................................................................... 557
Interoperate with Non-Dell Bridges...................................................................................................................558
Changing the Region Name or Revision...........................................................................................................558
Modifying Global Parameters.............................................................................................................................. 558
Modifying the Interface Parameters.................................................................................................................. 560
Configuring an EdgePort...................................................................................................................................... 561
Flush MAC Addresses after a Topology Change..............................................................................................561
MSTP Sample Configurations..............................................................................................................................562
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration...........................................................................562
Debugging and Verifying MSTP Configurations..............................................................................................563
34 Multicast Features.............................................................................................................................................565
Enabling IP Multicast............................................................................................................................................. 565
Implementation Information............................................................................................................................... 565
First Packet Forwarding for Lossless Multicast................................................................................................ 566
Multicast Policies....................................................................................................................................................566
IPv4 Multicast Policies.....................................................................................................................................566
35 Open Shortest Path First (OSPFv2 and OSPFv3)......................................................................................... 574
Protocol Overview................................................................................................................................................. 574
Autonomous System (AS) Areas.................................................................................................................... 574
Area Types..........................................................................................................................................................575
Networks and Neighbors................................................................................................................................576
Router Types......................................................................................................................................................576
Designated and Backup Designated Routers............................................................................................. 578
Link-State Advertisements (LSAs)..................................................................................................................578
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19
Router Priority and Cost..................................................................................................................................579
OSPF with Dell Networking OS...........................................................................................................................580
Fast Convergence (OSPFv2, IPv4 Only)....................................................................................................... 581
Multi-Process OSPFv2 with VRF....................................................................................................................581
RFC-2328 Compliant OSPF Flooding.......................................................................................................... 581
OSPF ACK Packing........................................................................................................................................... 582
Setting OSPF Adjacency with Cisco Routers..............................................................................................582
Configuration Information................................................................................................................................... 583
Configuration Task List for OSPFv2 (OSPF for IPv4).................................................................................583
Sample Configurations for OSPFv2..............................................................................................................594
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................595
Enabling IPv6 Unicast Routing...................................................................................................................... 595
Applying cost for OSPFv3...............................................................................................................................596
Assigning IPv6 Addresses on an Interface.................................................................................................. 596
Assigning Area ID on an Interface................................................................................................................ 596
Assigning OSPFv3 Process ID and Router ID Globally............................................................................. 597
Configuring Stub Areas................................................................................................................................... 597
Configuring Passive-Interface....................................................................................................................... 597
Redistributing Routes...................................................................................................................................... 598
Configuring a Default Route..........................................................................................................................598
OSPFv3 Authentication Using IPsec.............................................................................................................599
Troubleshooting OSPFv3............................................................................................................................... 604
36 Pay As You Grow ..............................................................................................................................................606
Installing a License................................................................................................................................................ 606
Displaying License Information.......................................................................................................................... 609
37 PIM Sparse-Mode (PIM-SM).............................................................................................................................611
Implementation Information................................................................................................................................611
Protocol Overview..................................................................................................................................................611
Requesting Multicast Traffic........................................................................................................................... 611
Refuse Multicast Traffic................................................................................................................................... 612
Send Multicast Traffic...................................................................................................................................... 612
Configuring PIM-SM.............................................................................................................................................. 612
Related Configuration Tasks.......................................................................................................................... 613
Enable PIM-SM........................................................................................................................................................613
Configuring S,G Expiry Timers.............................................................................................................................614
Configuring a Static Rendezvous Point............................................................................................................. 615
Overriding Bootstrap Router Updates..........................................................................................................615
Configuring a Designated Router....................................................................................................................... 615
Creating Multicast Boundaries and Domains...................................................................................................616
Enabling PIM-SM Graceful Restart..................................................................................................................... 616
38 PIM Source-Specific Mode (PIM-SSM).......................................................................................................... 617
Implementation Information................................................................................................................................617
Important Points to Remember.....................................................................................................................617
Configure PIM-SSM............................................................................................................................................... 618
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