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Networking Z9500

Dell Networking Z9500 User guide

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Dell Networking Conguration Guide for the Z9500
Switch
9.9(0.0)
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and 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.
2015 - 09
Rev. A00
Contents
1 About this Guide.............................................................................................................31
Audience........................................................................................................................................................................... 31
Conventions......................................................................................................................................................................31
Related Documents...........................................................................................................................................................31
2 Conguration 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
Multiple Users in Conguration Mode............................................................................................................................... 41
3 Getting Started............................................................................................................. 42
Console Access................................................................................................................................................................ 42
Serial Console.............................................................................................................................................................42
Default Conguration....................................................................................................................................................... 43
Conguring a Host Name................................................................................................................................................. 43
Accessing the System Remotely...................................................................................................................................... 44
Accessing the System Remotely................................................................................................................................ 44
Congure the Management Port IP Address..............................................................................................................44
Congure a Management Route.................................................................................................................................44
Conguring a Username and Password......................................................................................................................45
Conguring the Enable Password.....................................................................................................................................45
Conguration File Management....................................................................................................................................... 45
Managing the File System.......................................................................................................................................... 45
Copy Files to and from the System............................................................................................................................ 46
Save the Running-Conguration.................................................................................................................................47
Congure the Overload Bit for a Startup Scenario..................................................................................................... 47
Using HTTP for File Transfers.....................................................................................................................................47
View Conguration Files.............................................................................................................................................48
Enabling Software Features on Devices Using a Command Option.................................................................................. 48
View Command History....................................................................................................................................................49
Upgrading Dell Networking OS.........................................................................................................................................49
Using Hashes to Verify Software Images Before Installation.............................................................................................49
4 Management..................................................................................................................51
Conguring Privilege Levels.............................................................................................................................................. 51
3
Creating a Custom Privilege Level...............................................................................................................................51
Removing a Command from EXEC Mode................................................................................................................... 51
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................................51
Allowing Access to CONFIGURATION Mode Commands............................................................................................51
Allowing Access to Dierent Modes........................................................................................................................... 52
Applying a Privilege Level to a Username................................................................................................................... 53
Applying a Privilege Level to a Terminal Line...............................................................................................................54
Conguring Logging......................................................................................................................................................... 54
Audit and Security Logs............................................................................................................................................. 54
Conguring Logging Format .....................................................................................................................................56
Setting Up a Secure Connection to a Syslog Server...................................................................................................56
Track Login Activity..........................................................................................................................................................58
Restrictions for Tracking Login Activity...................................................................................................................... 58
Conguring Login Activity Tracking............................................................................................................................ 58
Display Login Statistics...............................................................................................................................................58
Limit Concurrent Login Sessions...................................................................................................................................... 59
Restrictions for Limiting the Number of Concurrent Sessions....................................................................................59
Conguring Concurrent Session Limit........................................................................................................................ 59
Enabling the System to Clear Existing Sessions......................................................................................................... 60
Log Messages in the Internal Buer.................................................................................................................................60
Conguration Task List for System Log Management................................................................................................. 61
Disabling System Logging..................................................................................................................................................61
Sending System Messages to a Syslog Server..................................................................................................................61
Conguring a UNIX System as a Syslog Server...........................................................................................................61
Display the Logging Buer and the Logging Conguration............................................................................................... 62
Changing System Logging Settings..................................................................................................................................62
Conguring a UNIX Logging Facility Level........................................................................................................................ 63
Synchronizing Log Messages........................................................................................................................................... 64
Enabling Timestamp on Syslog Messages........................................................................................................................ 65
File Transfer Services....................................................................................................................................................... 65
Conguration Task List for File Transfer Services....................................................................................................... 65
Enabling the FTP Server............................................................................................................................................ 65
Conguring FTP Server Parameters...........................................................................................................................66
Conguring FTP Client Parameters............................................................................................................................ 66
Terminal Lines................................................................................................................................................................... 67
Denying and Permitting Access to a Terminal Line......................................................................................................67
Conguring Login Authentication for Terminal Lines...................................................................................................68
Setting Timeout for EXEC Privilege Mode....................................................................................................................... 69
Using Telnet to get to Another Network Device............................................................................................................... 69
Lock CONFIGURATION Mode..........................................................................................................................................70
Viewing the Conguration Lock Status.......................................................................................................................70
Recovering from a Forgotten Password on the Z9000 System.........................................................................................71
Ignoring the Startup Conguration and Booting from the Factory-Default Conguration................................................. 72
Recovering from a Failed Start on the Z9000 System...................................................................................................... 72
Restoring the Factory Default Settings.............................................................................................................................73
4
Important Points to Remember.................................................................................................................................. 73
Restoring Factory Default Environment Variables....................................................................................................... 73
5 802.1X........................................................................................................................... 76
Port-Authentication Process.............................................................................................................................................77
EAP over RADIUS.......................................................................................................................................................78
Conguring 802.1X........................................................................................................................................................... 79
Related Conguration Tasks....................................................................................................................................... 79
Important Points to Remember........................................................................................................................................ 79
Enabling 802.1X................................................................................................................................................................ 80
Conguring Request Identity Re-Transmissions.................................................................................................................81
Conguring a Quiet Period after a Failed Authentication............................................................................................ 82
Forcibly Authorizing or Unauthorizing a Port.................................................................................................................... 83
Re-Authenticating a Port..................................................................................................................................................83
Conguring Timeouts....................................................................................................................................................... 84
Conguring Dynamic VLAN Assignment with Port Authentication...................................................................................85
Guest and Authentication-Fail VLANs.............................................................................................................................. 86
Conguring a Guest VLAN......................................................................................................................................... 87
Conguring an Authentication-Fail VLAN................................................................................................................... 87
6 Access Control Lists (ACLs)..........................................................................................89
IP Access Control Lists (ACLs).........................................................................................................................................90
CAM Usage................................................................................................................................................................90
Implementing ACLs on Dell Networking OS.................................................................................................................91
IP Fragment Handling.......................................................................................................................................................92
IP Fragments ACL Examples...................................................................................................................................... 92
Layer 4 ACL Rules Examples...................................................................................................................................... 93
Congure a Standard IP ACL............................................................................................................................................93
Conguring a Standard IP ACL Filter..........................................................................................................................94
Congure an Extended IP ACL.........................................................................................................................................95
Conguring Filters with a Sequence Number............................................................................................................. 95
Conguring Filters Without a Sequence Number....................................................................................................... 96
Congure Layer 2 and Layer 3 ACLs.................................................................................................................................97
Using ACL VLAN Groups..................................................................................................................................................98
Guidelines for Conguring ACL VLAN Groups............................................................................................................98
Conguring an ACL VLAN Group............................................................................................................................... 99
Allocating ACL VLAN CAM.......................................................................................................................................100
Applying an IP ACL......................................................................................................................................................... 100
Congure Ingress ACLs............................................................................................................................................. 101
Congure Egress ACLs..............................................................................................................................................101
Applying Egress Layer 3 ACLs (Control-Plane)..........................................................................................................102
Counting ACL Hits.................................................................................................................................................... 103
IP Prex Lists..................................................................................................................................................................103
Implementation Information...................................................................................................................................... 103
Conguration Task List for Prex Lists......................................................................................................................103
ACL Resequencing..........................................................................................................................................................107
5
Resequencing an ACL or Prex List.......................................................................................................................... 107
Route Maps.................................................................................................................................................................... 108
Implementation Information...................................................................................................................................... 109
Important Points to Remember.......................................................................................................................................109
Conguration Task List for Route Maps....................................................................................................................109
Conguring Match Routes..........................................................................................................................................111
Conguring Set Conditions........................................................................................................................................112
Congure a Route Map for Route Redistribution....................................................................................................... 113
Congure a Route Map for Route Tagging.................................................................................................................114
Continue Clause.........................................................................................................................................................114
Conguring UDF ACL...................................................................................................................................................... 114
7 Bare Metal Provisioning (BMP).................................................................................... 118
Support for BMP on the S6000 Switch...........................................................................................................................118
Enhanced Behavior of the stop bmp Command.............................................................................................................. 118
Removal of the Deprecated User-Dened String Parameter with reload-type Command................................................ 118
Service Tag Information in the Option 60 String.............................................................................................................. 118
Replacement of stop jump-start Command With the stop bmp Command......................................................................118
8 Bidirectional Forwarding Detection (BFD).................................................................... 119
How BFD Works.............................................................................................................................................................. 119
BFD Packet Format.................................................................................................................................................. 120
BFD Sessions.............................................................................................................................................................121
BFD Three-Way Handshake...................................................................................................................................... 122
Session State Changes............................................................................................................................................. 124
Important Points to Remember.......................................................................................................................................124
Congure BFD................................................................................................................................................................ 124
Congure BFD for Static Routes...............................................................................................................................125
Congure BFD for OSPF.......................................................................................................................................... 126
Congure BFD for OSPFv3.......................................................................................................................................128
Congure BFD for IS-IS............................................................................................................................................ 130
Congure BFD for BGP.............................................................................................................................................132
Congure BFD for VRRP.......................................................................................................................................... 138
Conguring Protocol Liveness................................................................................................................................... 141
9 Border Gateway Protocol IPv4 (BGPv4)...................................................................... 142
Autonomous Systems (AS)............................................................................................................................................. 142
Sessions and Peers......................................................................................................................................................... 144
Establish a Session....................................................................................................................................................144
Route Reectors.............................................................................................................................................................145
BGP Attributes................................................................................................................................................................146
Best Path Selection Criteria......................................................................................................................................146
Weight...................................................................................................................................................................... 148
Local Preference.......................................................................................................................................................148
Multi-Exit Discriminators (MEDs)..............................................................................................................................149
Origin........................................................................................................................................................................150
6
AS Path.................................................................................................................................................................... 150
Next Hop...................................................................................................................................................................151
Multiprotocol BGP........................................................................................................................................................... 151
Implement BGP with Dell Networking OS........................................................................................................................151
Additional Path (Add-Path) Support.......................................................................................................................... 151
Advertise IGP Cost as MED for Redistributed Routes...............................................................................................152
Ignore Router-ID in Best-Path Calculation.................................................................................................................152
Four-Byte AS Numbers.............................................................................................................................................152
AS4 Number Representation.................................................................................................................................... 153
AS Number Migration............................................................................................................................................... 154
BGP4 Management Information Base (MIB)............................................................................................................ 156
Important Points to Remember.................................................................................................................................156
Conguration Information............................................................................................................................................... 157
BGP Conguration.......................................................................................................................................................... 157
Enabling BGP............................................................................................................................................................158
Conguring AS4 Number Representations................................................................................................................ 161
Conguring Peer Groups...........................................................................................................................................162
Conguring BGP Fast Fall-Over................................................................................................................................165
Conguring Passive Peering..................................................................................................................................... 166
Maintaining Existing AS Numbers During an AS Migration........................................................................................ 167
Allowing an AS Number to Appear in its Own AS Path..............................................................................................168
Enabling Neighbor Graceful Restart..........................................................................................................................169
Filtering on an AS-Path Attribute.............................................................................................................................. 169
Regular Expressions as Filters................................................................................................................................... 170
Redistributing Routes................................................................................................................................................172
Enabling Additional Paths.......................................................................................................................................... 172
Conguring IP Community Lists................................................................................................................................ 173
Conguring an IP Extended Community List............................................................................................................. 174
Filtering Routes with Community Lists......................................................................................................................175
Manipulating the COMMUNITY Attribute................................................................................................................. 175
Changing MED Attributes......................................................................................................................................... 177
Changing the LOCAL_PREFERENCE Attribute........................................................................................................ 177
Changing the NEXT_HOP Attribute..........................................................................................................................178
Changing the WEIGHT Attribute...............................................................................................................................178
Enabling Multipath.................................................................................................................................................... 178
Filtering BGP Routes.................................................................................................................................................179
Filtering BGP Routes Using Route Maps...................................................................................................................180
Filtering BGP Routes Using AS-PATH Information.....................................................................................................181
Conguring BGP Route Reectors............................................................................................................................ 181
Aggregating Routes.................................................................................................................................................. 182
Conguring BGP Confederations..............................................................................................................................182
Enabling Route Flap Dampening................................................................................................................................183
Changing BGP Timers...............................................................................................................................................185
Enabling BGP Neighbor Soft-Reconguration.......................................................................................................... 185
Route Map Continue.................................................................................................................................................186
7
Enabling MBGP Congurations....................................................................................................................................... 187
BGP Regular Expression Optimization............................................................................................................................ 188
Debugging BGP.............................................................................................................................................................. 188
Storing Last and Bad PDUs...................................................................................................................................... 189
Capturing PDUs........................................................................................................................................................190
PDU Counters........................................................................................................................................................... 191
Sample Congurations.....................................................................................................................................................191
10 Content Addressable Memory (CAM).........................................................................197
CAM Allocation............................................................................................................................................................... 197
Test CAM Usage.............................................................................................................................................................199
View CAM-ACL Settings................................................................................................................................................ 199
View CAM Usage...........................................................................................................................................................200
Return to the Default CAM Conguration.......................................................................................................................201
CAM Optimization.......................................................................................................................................................... 201
Applications for CAM Proling........................................................................................................................................ 201
LAG HashingLAG Hashing Based on Bidirectional Flow............................................................................................ 201
Unied Forwarding Table (UFT) Modes..........................................................................................................................202
Conguring UFT Modes...........................................................................................................................................202
11 Control Plane Policing (CoPP)....................................................................................204
Z9500 CoPP Implementation.........................................................................................................................................205
Protocol-based Control Plane Policing..................................................................................................................... 206
Queue-based Control Plane Policing........................................................................................................................ 206
CoPP Example............................................................................................................................................................... 207
Congure Control Plane Policing....................................................................................................................................208
Conguring CoPP for Protocols...............................................................................................................................208
Examples of Conguring CoPP for Protocols............................................................................................................210
Conguring CoPP for CPU Queues........................................................................................................................... 211
Examples of Conguring CoPP for CPU Queues...................................................................................................... 212
Displaying CoPP Conguration .................................................................................................................................213
Troubleshooting CoPP Operation....................................................................................................................................215
Enabling CPU Trac Statistics..................................................................................................................................215
Viewing CPU Trac Statistics.................................................................................................................................. 216
Troubleshooting CPU Packet Loss............................................................................................................................ 216
Viewing Per-Protocol CoPP Counters.......................................................................................................................218
Viewing Per-Queue CoPP Counters.........................................................................................................................220
12 Data Center Bridging (DCB)...................................................................................... 222
Ethernet Enhancements in Data Center Bridging........................................................................................................... 222
Priority-Based Flow Control..................................................................................................................................... 223
Enhanced Transmission Selection.............................................................................................................................224
Data Center Bridging Exchange Protocol (DCBx).................................................................................................... 225
Data Center Bridging in a Trac Flow...................................................................................................................... 225
Priority-Based Flow Control........................................................................................................................................... 225
Enhanced Transmission Selection...................................................................................................................................226
8
Data Center Bridging Exchange Protocol (DCBx)...........................................................................................................227
Enabling Data Center Bridging........................................................................................................................................228
DCB Maps and its Attributes....................................................................................................................................228
Data Center Bridging: Default Conguration.................................................................................................................. 229
Conguring Priority-Based Flow Control........................................................................................................................ 229
Conguring Lossless Queues....................................................................................................................................230
Conguring PFC in a DCB Map.......................................................................................................................................231
PFC Conguration Notes..........................................................................................................................................231
PFC Prerequisites and Restrictions.......................................................................................................................... 232
Applying a DCB Map on a Port.......................................................................................................................................233
Conguring PFC without a DCB Map.............................................................................................................................233
Conguring Lossless QueuesExample:......................................................................................................................234
Priority-Based Flow Control Using Dynamic Buer Method...........................................................................................235
Pause and Resume of Trac....................................................................................................................................235
Buer Sizes for Lossless or PFC Packets.................................................................................................................235
Behavior of Tagged Packets...........................................................................................................................................236
Operations on Untagged Packets...................................................................................................................................236
Conguration Example for DSCP and PFC Priorities...................................................................................................... 237
SNMP Support for PFC and Buer Statistics Tracking...................................................................................................237
Generation of PFC for a Priority for Untagged Packets..................................................................................................238
Performing PFC Using DSCP Bits Instead of 802.1p Bits................................................................................................238
PFC and ETS Conguration Examples........................................................................................................................... 239
Using PFC to Manage Converged Ethernet Trac........................................................................................................ 239
Congure Enhanced Transmission Selection.................................................................................................................. 239
ETS Prerequisites and Restrictions...........................................................................................................................239
Creating an ETS Priority Group................................................................................................................................ 239
ETS Operation with DCBx........................................................................................................................................240
Conguring Bandwidth Allocation for DCBx CIN.......................................................................................................241
Hierarchical Scheduling in ETS Output Policies.............................................................................................................. 242
Applying the DCB Policies on Linecard........................................................................................................................... 242
Applying DCB Policies on SFM Ports..............................................................................................................................242
Using ETS to Manage Converged Ethernet Trac.........................................................................................................243
Congure a DCBx Operation.......................................................................................................................................... 243
DCBx Operation....................................................................................................................................................... 243
DCBx Port Roles...................................................................................................................................................... 243
DCB Conguration Exchange...................................................................................................................................245
Conguration Source Election..................................................................................................................................245
Propagation of DCB Information.............................................................................................................................. 246
Auto-Detection and Manual Conguration of the DCBx Version.............................................................................. 246
DCBx Example......................................................................................................................................................... 246
DCBx Prerequisites and Restrictions........................................................................................................................ 247
Conguring DCBx.....................................................................................................................................................247
Verifying the DCB Conguration..................................................................................................................................... 251
QoS dot1p Trac Classication and Queue Assignment.................................................................................................257
Conguring the Dynamic Buer Method........................................................................................................................257
9
Sample DCB Conguration.............................................................................................................................................259
PFC and ETS Conguration Command Examples.................................................................................................... 260
13 Debugging and Diagnostics........................................................................................ 261
Oine Diagnostics.......................................................................................................................................................... 261
Important Points to Remember.................................................................................................................................261
Running Oine Diagnostics...................................................................................................................................... 261
Examples of Running Oine Diagnostics................................................................................................................. 269
TRACE Logs................................................................................................................................................................... 277
Auto Save on Crash or Rollover................................................................................................................................ 277
Last Restart Reason....................................................................................................................................................... 277
System Restart Causes and Reasons....................................................................................................................... 277
show hardware Commands............................................................................................................................................ 277
Environmental Monitoring.............................................................................................................................................. 280
Display Power Supply Status....................................................................................................................................280
Display Fan Status....................................................................................................................................................280
Display Transceiver Type........................................................................................................................................... 281
Recognize an Over-Temperature Condition.............................................................................................................. 282
Troubleshoot an Over-Temperature Condition.......................................................................................................... 283
Troubleshooting Packet Loss..........................................................................................................................................285
Displaying Drop Counters......................................................................................................................................... 285
Displaying Dataplane Statistics................................................................................................................................. 287
Displaying Line Card Counters..................................................................................................................................289
Accessing Application Core Dumps................................................................................................................................ 290
Mini Core Dumps........................................................................................................................................................... 290
Full Kernel Core Dumps...................................................................................................................................................291
Enabling TCP Dumps...................................................................................................................................................... 291
14 Dynamic Host Conguration Protocol (DHCP).......................................................... 292
DHCP Packet Format and Options.................................................................................................................................292
Assign an IP Address using DHCP..................................................................................................................................294
Implementation Information............................................................................................................................................294
Congure the System to be a DHCP Server.................................................................................................................. 295
Conguring the Server for Automatic Address Allocation.........................................................................................295
Specifying a Default Gateway...................................................................................................................................297
Congure a Method of Hostname Resolution...........................................................................................................297
Using DNS for Address Resolution........................................................................................................................... 297
Using NetBIOS WINS for Address Resolution...........................................................................................................297
Creating Manual Binding Entries...............................................................................................................................297
Debugging the DHCP Server................................................................................................................................... 298
Using DHCP Clear Commands.................................................................................................................................298
Congure the System to be a Relay Agent.....................................................................................................................298
Congure the System to be a DHCP Client....................................................................................................................300
DHCP Client on a Management Interface................................................................................................................ 300
DHCP Client Operation with Other Features............................................................................................................300
Congure Secure DHCP................................................................................................................................................. 301
10
Option 82..................................................................................................................................................................301
DHCP Snooping.......................................................................................................................................................302
Conguring the DHCP secondary-subnet................................................................................................................305
Drop DHCP Packets on Snooped VLANs Only.........................................................................................................305
Dynamic ARP Inspection..........................................................................................................................................306
Conguring Dynamic ARP Inspection....................................................................................................................... 307
Source Address Validation.............................................................................................................................................. 307
Enabling IP Source Address Validation......................................................................................................................308
DHCP MAC Source Address Validation.................................................................................................................... 308
Enabling IP+MAC Source Address Validation........................................................................................................... 308
Viewing the Number of SAV Dropped Packets.........................................................................................................309
Clearing the Number of SAV Dropped Packets........................................................................................................ 309
15 Equal Cost Multi-Path (ECMP).................................................................................. 310
ECMP for Flow-Based Anity........................................................................................................................................ 310
Enabling Deterministic ECMP Next Hop................................................................................................................... 310
Conguring the Hash Algorithm Seed.......................................................................................................................310
Link Bundle Monitoring.................................................................................................................................................... 311
Managing ECMP Group Paths...................................................................................................................................311
Creating an ECMP Group Bundle...............................................................................................................................311
Modifying the ECMP Group Threshold..................................................................................................................... 312
RTAG7............................................................................................................................................................................ 312
Flow-based Hashing for ECMP.......................................................................................................................................314
ECMP Support in L3 Host and LPM Tables.................................................................................................................... 316
16 FCoE Transit...............................................................................................................318
Fibre Channel over Ethernet........................................................................................................................................... 318
Ensure Robustness in a Converged Ethernet Network................................................................................................... 318
FIP Snooping on Ethernet Bridges..................................................................................................................................319
Using FIP Snooping.........................................................................................................................................................321
FIP Snooping Prerequisites....................................................................................................................................... 321
Important Points to Remember.................................................................................................................................321
Enabling the FCoE Transit Feature........................................................................................................................... 322
Enable FIP Snooping on VLANs............................................................................................................................... 322
Congure the FC-MAP Value...................................................................................................................................323
Congure a Port for a Bridge-to-Bridge Link............................................................................................................323
Congure a Port for a Bridge-to-FCF Link............................................................................................................... 323
Impact on Other Software Features.........................................................................................................................323
FIP Snooping Restrictions........................................................................................................................................ 324
Conguring FIP Snooping.........................................................................................................................................324
FCoE Transit Conguration Example.............................................................................................................................. 325
Displaying FIP Snooping Information.............................................................................................................................. 326
17 FIPS Cryptography.................................................................................................... 330
Conguration Tasks........................................................................................................................................................330
Preparing the System.....................................................................................................................................................330
11
Enabling FIPS Mode.......................................................................................................................................................330
Generating Host-Keys.....................................................................................................................................................331
Monitoring FIPS Mode Status.........................................................................................................................................331
Disabling FIPS Mode...................................................................................................................................................... 334
18 Flex Hash...................................................................................................................335
Flex Hash Capability Overview....................................................................................................................................... 335
Conguring the Flex Hash Mechanism...........................................................................................................................335
RDMA Over Converged Ethernet (RoCE) Overview......................................................................................................336
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces............................................................................................. 336
19 Force10 Resilient Ring Protocol (FRRP).................................................................... 338
Protocol Overview......................................................................................................................................................... 338
Ring Status.............................................................................................................................................................. 338
Multiple FRRP Rings................................................................................................................................................ 339
Important FRRP Points............................................................................................................................................ 340
Important FRRP Concepts........................................................................................................................................341
Implementing FRRP....................................................................................................................................................... 342
FRRP Conguration....................................................................................................................................................... 342
Creating the FRRP Group........................................................................................................................................ 342
Conguring the Control VLAN................................................................................................................................. 342
Conguring and Adding the Member VLANs............................................................................................................344
Setting the FRRP Timers......................................................................................................................................... 345
Clearing the FRRP Counters.................................................................................................................................... 345
Viewing the FRRP Conguration..............................................................................................................................345
Viewing the FRRP Information.................................................................................................................................345
Troubleshooting FRRP....................................................................................................................................................346
Conguration Checks...............................................................................................................................................346
Sample Conguration and Topology............................................................................................................................... 346
20 GARP VLAN Registration Protocol (GVRP)...............................................................348
Important Points to Remember...................................................................................................................................... 348
Congure GVRP.............................................................................................................................................................348
Related Conguration Tasks.....................................................................................................................................349
Enabling GVRP Globally................................................................................................................................................. 349
Enabling GVRP on a Layer 2 Interface........................................................................................................................... 350
Congure GVRP Registration.........................................................................................................................................350
Congure a GARP Timer.................................................................................................................................................351
21 Internet Group Management Protocol (IGMP)...........................................................352
IGMP Implementation Information..................................................................................................................................352
IGMP Protocol Overview............................................................................................................................................... 352
IGMP Version 2........................................................................................................................................................ 352
IGMP Version 3........................................................................................................................................................353
Congure IGMP............................................................................................................................................................. 356
Related Conguration Tasks.....................................................................................................................................356
12
Viewing IGMP Enabled Interfaces.................................................................................................................................. 357
Selecting an IGMP Version............................................................................................................................................. 357
Viewing IGMP Groups.................................................................................................................................................... 357
Adjusting Timers............................................................................................................................................................ 358
Adjusting Query and Response Timers.....................................................................................................................358
Adjusting the IGMP Querier Timeout Value..............................................................................................................359
Conguring a Static IGMP Group...................................................................................................................................359
Enabling IGMP Immediate-Leave................................................................................................................................... 359
IGMP Snooping..............................................................................................................................................................360
IGMP Snooping Implementation Information............................................................................................................360
Conguring IGMP Snooping.....................................................................................................................................360
Removing a Group-Port Association........................................................................................................................ 360
Disabling Multicast Flooding......................................................................................................................................361
Specifying a Port as Connected to a Multicast Router..............................................................................................361
Conguring the Switch as Querier............................................................................................................................ 361
Fast Convergence after MSTP Topology Changes.........................................................................................................362
Designating a Multicast Router Interface....................................................................................................................... 362
22 Interfaces..................................................................................................................363
Basic Interface Conguration......................................................................................................................................... 363
Advanced Interface Conguration..................................................................................................................................363
Port Numbering Convention.......................................................................................................................................... 363
Interface Types...............................................................................................................................................................364
View Basic Interface Information....................................................................................................................................364
Resetting an Interface to its Factory Default State........................................................................................................ 366
Enabling a Physical Interface..........................................................................................................................................366
Physical Interfaces......................................................................................................................................................... 367
Port-Pipes................................................................................................................................................................ 367
Network Processing Units (NPUs)...........................................................................................................................367
Conguration Task List for Physical Interfaces......................................................................................................... 367
Overview of Layer Modes........................................................................................................................................368
Conguring Layer 2 (Data Link) Mode..................................................................................................................... 368
Conguring Layer 2 (Interface) Mode...................................................................................................................... 368
Conguring Layer 3 (Network) Mode...................................................................................................................... 369
Conguring Layer 3 (Interface) Mode...................................................................................................................... 369
Egress Interface Selection (EIS).....................................................................................................................................370
Important Points to Remember................................................................................................................................ 370
Conguring EIS........................................................................................................................................................ 370
Management Interfaces.................................................................................................................................................. 371
Conguring Management Interfaces.........................................................................................................................371
Conguring a Management Interface on an Ethernet Port.......................................................................................372
VLAN Interfaces.............................................................................................................................................................373
Loopback Interfaces....................................................................................................................................................... 374
Null Interfaces................................................................................................................................................................ 374
Port Channel Interfaces..................................................................................................................................................374
Port Channel Denition and Standards.....................................................................................................................375
13
Port Channel Benets.............................................................................................................................................. 375
Port Channel Implementation................................................................................................................................... 375
Interfaces in Port Channels...................................................................................................................................... 375
Conguration Tasks for Port Channel Interfaces.......................................................................................................376
Creating a Port Channel........................................................................................................................................... 376
Adding a Physical Interface to a Port Channel..........................................................................................................376
Reassigning an Interface to a New Port Channel......................................................................................................378
Conguring the Minimum Oper Up Links in a Port Channel......................................................................................379
Adding or Removing a Port Channel from a VLAN................................................................................................... 379
Assigning an IP Address to a Port Channel...............................................................................................................380
Deleting or Disabling a Port Channel........................................................................................................................ 380
Load Balancing Through Port Channels....................................................................................................................380
Changing the Hash Algorithm................................................................................................................................... 381
Bulk Conguration...........................................................................................................................................................381
Interface Range........................................................................................................................................................ 381
Bulk Conguration Examples....................................................................................................................................382
Dening Interface Range Macros................................................................................................................................... 383
Dene the Interface Range...................................................................................................................................... 383
Choosing an Interface-Range Macro........................................................................................................................383
Monitoring and Maintaining Interfaces........................................................................................................................... 384
Displaying Trac Statistics on HiGig Ports.....................................................................................................................385
Link Bundle Monitoring.................................................................................................................................................. 385
Monitoring HiGig Link Bundles....................................................................................................................................... 385
Guidelines for Monitoring HiGig Link-Bundles ..........................................................................................................386
Enabling HiGig Link-Bundle Monitoring.....................................................................................................................387
Fanning out 40G Ports Dynamically................................................................................................................................387
Splitting QSFP Ports to SFP+ Ports...............................................................................................................................388
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port................................................................................... 388
Link Dampening............................................................................................................................................................. 390
Important Points to Remember................................................................................................................................390
Enabling Link Dampening......................................................................................................................................... 390
Using Ethernet Pause Frames for Flow Control.............................................................................................................. 391
Enabling Pause Frames............................................................................................................................................ 392
Congure the MTU Size on an Interface........................................................................................................................393
Auto-Negotiation on Ethernet Interfaces....................................................................................................................... 393
Set Auto-Negotiation Options..................................................................................................................................394
View Advanced Interface Information............................................................................................................................ 394
Conguring the Interface Sampling Size.................................................................................................................. 395
Dynamic Counters..........................................................................................................................................................396
Clearing Interface Counters..................................................................................................................................... 396
23 Internet Protocol Security (IPSec)............................................................................ 398
Conguring IPSec ......................................................................................................................................................... 398
24 IPv4 Routing............................................................................................................. 400
IP Addresses.................................................................................................................................................................. 400
14
Implementation Information..................................................................................................................................... 400
Conguration Tasks for IP Addresses.............................................................................................................................400
Assigning IP Addresses to an Interface........................................................................................................................... 401
Conguring Static Routes...............................................................................................................................................401
Congure Static Routes for the Management Interface.................................................................................................402
Enabling Directed Broadcast.......................................................................................................................................... 403
Resolution of Host Names..............................................................................................................................................403
Enabling Dynamic Resolution of Host Names.................................................................................................................403
Specifying the Local System Domain and a List of Domains...........................................................................................404
Conguring DNS with Traceroute.................................................................................................................................. 404
ARP............................................................................................................................................................................... 405
Conguration Tasks for ARP.......................................................................................................................................... 405
Conguring Static ARP Entries...................................................................................................................................... 405
Enabling Proxy ARP....................................................................................................................................................... 406
Clearing ARP Cache.......................................................................................................................................................406
ARP Learning via Gratuitous ARP.................................................................................................................................. 406
Enabling ARP Learning via Gratuitous ARP.....................................................................................................................407
ARP Learning via ARP Request...................................................................................................................................... 407
Conguring ARP Retries................................................................................................................................................ 408
ICMP............................................................................................................................................................................. 408
Conguration Tasks for ICMP........................................................................................................................................ 408
Enabling ICMP Unreachable Messages.......................................................................................................................... 408
UDP Helper....................................................................................................................................................................409
Congure UDP Helper..............................................................................................................................................409
Important Points to Remember................................................................................................................................409
Enabling UDP Helper......................................................................................................................................................409
Conguring a Broadcast Address................................................................................................................................... 409
Congurations Using UDP Helper................................................................................................................................... 410
UDP Helper with Broadcast-All Addresses......................................................................................................................410
UDP Helper with Subnet Broadcast Addresses................................................................................................................411
UDP Helper with Congured Broadcast Addresses..........................................................................................................411
UDP Helper with No Congured Broadcast Addresses................................................................................................... 412
Troubleshooting UDP Helper...........................................................................................................................................412
25 IPv6 Routing..............................................................................................................413
Protocol Overview.......................................................................................................................................................... 413
Extended Address Space.......................................................................................................................................... 413
Stateless Autoconguration...................................................................................................................................... 413
IPv6 Headers............................................................................................................................................................ 414
IPv6 Header Fields....................................................................................................................................................414
Extension Header Fields............................................................................................................................................416
Addressing................................................................................................................................................................ 417
Implementing IPv6 with Dell Networking OS...................................................................................................................418
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support...................................................................................418
ICMPv6.......................................................................................................................................................................... 418
Path MTU Discovery.......................................................................................................................................................418
15
IPv6 Neighbor Discovery................................................................................................................................................ 419
IPv6 Neighbor Discovery of MTU Packets............................................................................................................... 420
Conguration Task List for IPv6 RDNSS.................................................................................................................. 420
Secure Shell (SSH) Over an IPv6 Transport...................................................................................................................422
Conguration Tasks for IPv6.......................................................................................................................................... 422
Adjusting Your CAM-Prole......................................................................................................................................422
Assigning an IPv6 Address to an Interface................................................................................................................423
Assigning a Static IPv6 Route.................................................................................................................................. 423
Conguring Telnet with IPv6.................................................................................................................................... 424
SNMP over IPv6...................................................................................................................................................... 424
Displaying IPv6 Information......................................................................................................................................425
Displaying an IPv6 Interface Information.................................................................................................................. 425
Showing IPv6 Routes...............................................................................................................................................426
Showing the Running-Conguration for an Interface................................................................................................427
Clearing IPv6 Routes................................................................................................................................................ 427
Conguring IPv6 RA Guard............................................................................................................................................ 428
Conguring IPv6 RA Guard on an Interface..............................................................................................................429
Monitoring IPv6 RA Guard....................................................................................................................................... 430
26 iSCSI Optimization.....................................................................................................431
iSCSI Optimization Overview.......................................................................................................................................... 431
Default iSCSI Optimization Values.................................................................................................................................. 432
iSCSI Optimization Prerequisites.................................................................................................................................... 433
Conguring iSCSI Optimization...................................................................................................................................... 433
Displaying iSCSI Optimization Information......................................................................................................................435
Enable and Disable iSCSI Optimization...........................................................................................................................436
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer................................................................................437
Monitoring iSCSI Trac Flows........................................................................................................................................437
Information Monitored in iSCSI Trac Flows.................................................................................................................. 437
Detection and Auto-Conguration for Dell EqualLogic Arrays.........................................................................................438
Conguring Detection and Ports for Dell Compellent Arrays.......................................................................................... 438
Application of Quality of Service to iSCSI Trac Flows.................................................................................................. 439
27 Intermediate System to Intermediate System............................................................ 440
IS-IS Protocol Overview.................................................................................................................................................440
IS-IS Addressing.............................................................................................................................................................440
Multi-Topology IS-IS........................................................................................................................................................441
Transition Mode........................................................................................................................................................ 441
Interface Support......................................................................................................................................................441
Adjacencies...............................................................................................................................................................441
Graceful Restart.............................................................................................................................................................442
Timers......................................................................................................................................................................442
Implementation Information............................................................................................................................................442
Conguration Information...............................................................................................................................................443
Conguration Tasks for IS-IS....................................................................................................................................443
Conguring the Distance of a Route......................................................................................................................... 451
16
Changing the IS-Type................................................................................................................................................451
Redistributing IPv4 Routes.......................................................................................................................................454
Redistributing IPv6 Routes.......................................................................................................................................454
Conguring Authentication Passwords.....................................................................................................................455
Setting the Overload Bit.......................................................................................................................................... 456
Debugging IS-IS....................................................................................................................................................... 456
IS-IS Metric Styles......................................................................................................................................................... 457
Congure Metric Values................................................................................................................................................. 457
Maximum Values in the Routing Table...................................................................................................................... 458
Change the IS-IS Metric Style in One Level Only..................................................................................................... 458
Leaks from One Level to Another.............................................................................................................................459
Sample Congurations................................................................................................................................................... 460
28 Link Aggregation Control Protocol (LACP)................................................................463
Introduction to Dynamic LAGs and LACP.......................................................................................................................463
Important Points to Remember................................................................................................................................ 463
LACP Modes............................................................................................................................................................464
Conguring LACP Commands..................................................................................................................................464
LACP Conguration Tasks..............................................................................................................................................465
Creating a LAG........................................................................................................................................................ 465
Conguring the LAG Interfaces as Dynamic.............................................................................................................465
Setting the LACP Long Timeout.............................................................................................................................. 466
Monitoring and Debugging LACP.............................................................................................................................466
Shared LAG State Tracking............................................................................................................................................ 467
Conguring Shared LAG State Tracking................................................................................................................... 467
Important Points about Shared LAG State Tracking................................................................................................. 468
LACP Basic Conguration Example................................................................................................................................469
Congure a LAG on ALPHA..................................................................................................................................... 469
29 Layer 2...................................................................................................................... 477
Manage the MAC Address Table.....................................................................................................................................477
Clearing the MAC Address Table.............................................................................................................................. 477
Setting the Aging Time for Dynamic Entries............................................................................................................. 477
Conguring a Static MAC Address........................................................................................................................... 477
Displaying the MAC Address Table........................................................................................................................... 478
MAC Learning Limit........................................................................................................................................................478
Setting the MAC Learning Limit............................................................................................................................... 479
mac learning-limit Dynamic.......................................................................................................................................479
mac learning-limit mac-address-sticky..................................................................................................................... 479
mac learning-limit station-move............................................................................................................................... 479
mac learning-limit no-station-move..........................................................................................................................480
Learning Limit Violation Actions................................................................................................................................480
Setting Station Move Violation Actions.................................................................................................................... 480
Recovering from Learning Limit and Station Move Violations....................................................................................481
NIC Teaming................................................................................................................................................................... 481
Congure Redundant Pairs.............................................................................................................................................482
17
Important Points about Conguring Redundant Pairs...............................................................................................484
Far-End Failure Detection...............................................................................................................................................485
FEFD State Changes................................................................................................................................................486
Conguring FEFD.....................................................................................................................................................486
Enabling FEFD on an Interface................................................................................................................................. 487
Debugging FEFD......................................................................................................................................................488
30 Link Layer Discovery Protocol (LLDP).......................................................................490
802.1AB (LLDP) Overview............................................................................................................................................. 490
Protocol Data Units..................................................................................................................................................490
Optional TLVs................................................................................................................................................................. 491
Management TLVs....................................................................................................................................................491
TIA-1057 (LLDP-MED) Overview................................................................................................................................... 493
TIA Organizationally Specic TLVs........................................................................................................................... 493
Congure LLDP..............................................................................................................................................................497
Related Conguration Tasks..................................................................................................................................... 497
Important Points to Remember................................................................................................................................ 497
LLDP Compatibility...................................................................................................................................................497
CONFIGURATION versus INTERFACE Congurations................................................................................................... 497
Enabling LLDP................................................................................................................................................................498
Disabling and Undoing LLDP.................................................................................................................................... 498
Enabling LLDP on Management Ports............................................................................................................................498
Disabling and Undoing LLDP on Management Ports................................................................................................ 499
Advertising TLVs............................................................................................................................................................ 499
Viewing the LLDP Conguration....................................................................................................................................500
Viewing Information Advertised by Adjacent LLDP Agents............................................................................................. 501
Conguring LLDPDU Intervals....................................................................................................................................... 502
Conguring Transmit and Receive Mode........................................................................................................................502
Conguring the Time to Live Value................................................................................................................................ 503
Debugging LLDP............................................................................................................................................................504
Relevant Management Objects......................................................................................................................................504
31 Microsoft Network Load Balancing.............................................................................510
NLB Unicast and Multicast Modes................................................................................................................................. 510
NLB Unicast Mode Example..................................................................................................................................... 510
NLB Multicast Mode Example.................................................................................................................................. 510
NLB Benets................................................................................................................................................................... 511
NLB Restrictions..............................................................................................................................................................511
NLB VLAN Flooding.........................................................................................................................................................511
Conguring NLB on a Switch..........................................................................................................................................512
32 Multicast Source Discovery Protocol (MSDP)........................................................... 513
Protocol Overview.......................................................................................................................................................... 513
Anycast RP.....................................................................................................................................................................514
Implementation Information............................................................................................................................................ 514
Congure Multicast Source Discovery Protocol.............................................................................................................. 514
18
Related Conguration Tasks......................................................................................................................................515
Enable MSDP..................................................................................................................................................................519
Manage the Source-Active Cache................................................................................................................................. 520
Viewing the Source-Active Cache............................................................................................................................520
Limiting the Source-Active Cache............................................................................................................................520
Clearing the Source-Active Cache............................................................................................................................521
Enabling the Rejected Source-Active Cache.............................................................................................................521
Accept Source-Active Messages that Fail the RFP Check..............................................................................................521
Specifying Source-Active Messages.............................................................................................................................. 525
Limiting the Source-Active Messages from a Peer.........................................................................................................526
Preventing MSDP from Caching a Local Source............................................................................................................ 526
Preventing MSDP from Caching a Remote Source........................................................................................................ 527
Preventing MSDP from Advertising a Local Source........................................................................................................527
Logging Changes in Peership States.............................................................................................................................. 528
Terminating a Peership...................................................................................................................................................528
Clearing Peer Statistics..................................................................................................................................................529
Debugging MSDP.......................................................................................................................................................... 529
MSDP with Anycast RP.................................................................................................................................................530
Conguring Anycast RP..................................................................................................................................................531
Reducing Source-Active Message Flooding............................................................................................................. 532
Specifying the RP Address Used in SA Messages....................................................................................................532
MSDP Sample Congurations........................................................................................................................................532
33 Multiple Spanning Tree Protocol (MSTP).................................................................. 533
Protocol Overview......................................................................................................................................................... 533
Spanning Tree Variations................................................................................................................................................534
Implementation Information......................................................................................................................................534
Congure Multiple Spanning Tree Protocol.................................................................................................................... 534
Related Conguration Tasks.....................................................................................................................................534
Enable Multiple Spanning Tree Globally.......................................................................................................................... 535
Adding and Removing Interfaces....................................................................................................................................535
Creating Multiple Spanning Tree Instances.....................................................................................................................535
Inuencing MSTP Root Selection...................................................................................................................................536
Interoperate with Non-Dell Bridges................................................................................................................................ 536
Changing the Region Name or Revision......................................................................................................................... 537
Modifying Global Parameters..........................................................................................................................................537
Modifying the Interface Parameters...............................................................................................................................538
Conguring an EdgePort................................................................................................................................................539
Flush MAC Addresses after a Topology Change.............................................................................................................540
MSTP Sample Congurations........................................................................................................................................ 540
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-CongurationSFTOS
Example Running-Conguration...............................................................................................................................540
Debugging and Verifying MSTP Congurations..............................................................................................................542
34 Multicast Features.................................................................................................... 543
Enabling IP Multicast......................................................................................................................................................543
19
Implementation Information............................................................................................................................................543
First Packet Forwarding for Lossless Multicast.............................................................................................................. 544
Multicast Policies........................................................................................................................................................... 544
IPv4 Multicast Policies............................................................................................................................................. 544
35 Open Shortest Path First (OSPFv2 and OSPFv3).....................................................552
Protocol Overview......................................................................................................................................................... 552
Autonomous System (AS) Areas.............................................................................................................................. 552
Area Types............................................................................................................................................................... 553
Networks and Neighbors......................................................................................................................................... 554
Router Types............................................................................................................................................................554
Designated and Backup Designated Routers............................................................................................................556
Link-State Advertisements (LSAs)...........................................................................................................................556
Router Priority and Cost...........................................................................................................................................557
OSPF with Dell Networking OS..................................................................................................................................... 558
Fast Convergence (OSPFv2, IPv4 Only)..................................................................................................................559
Multi-Process OSPFv2 with VRF.............................................................................................................................559
RFC-2328 Compliant OSPF Flooding.......................................................................................................................559
OSPF ACK Packing..................................................................................................................................................560
Setting OSPF Adjacency with Cisco Routers...........................................................................................................560
Conguration Information.............................................................................................................................................. 560
Conguration Task List for OSPFv2 (OSPF for IPv4)............................................................................................... 561
Sample Congurations for OSPFv2...........................................................................................................................571
Conguration Task List for OSPFv3 (OSPF for IPv6).....................................................................................................572
Enabling IPv6 Unicast Routing................................................................................................................................. 573
Applying cost for OSPFv3........................................................................................................................................ 573
Assigning IPv6 Addresses on an Interface................................................................................................................ 573
Assigning Area ID on an Interface............................................................................................................................. 574
Assigning OSPFv3 Process ID and Router ID Globally...............................................................................................574
Conguring Stub Areas............................................................................................................................................ 575
Conguring Passive-Interface.................................................................................................................................. 575
Redistributing Routes...............................................................................................................................................575
Conguring a Default Route..................................................................................................................................... 576
OSPFv3 Authentication Using IPsec........................................................................................................................ 576
Troubleshooting OSPFv3.......................................................................................................................................... 581
36 Pay As You Grow ...................................................................................................... 583
Installing a License......................................................................................................................................................... 583
Displaying License Information....................................................................................................................................... 586
37 PIM Sparse-Mode (PIM-SM)....................................................................................588
Implementation Information........................................................................................................................................... 588
Protocol Overview......................................................................................................................................................... 588
Requesting Multicast Trac.....................................................................................................................................588
Refuse Multicast Trac........................................................................................................................................... 589
Send Multicast Trac.............................................................................................................................................. 589
20
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