Dell PowerSwitch S5000 Administrator Guide

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Dell 9.11(2.1P1) Conguration Guide for the
S5000 Switch
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
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 © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other
trademarks may be trademarks of their respective owners.
2017 - 06
Rev. A00
Contents
1 About this Guide...........................................................................................................................................36
Audience........................................................................................................................................................................... 36
Conventions......................................................................................................................................................................36
Related Documents......................................................................................................................................................... 36
2 Conguration Fundamentals........................................................................................................................ 37
Accessing the Command Line........................................................................................................................................ 37
CLI Modes.........................................................................................................................................................................37
Navigating CLI Modes............................................................................................................................................... 39
Port Numbering Convention...........................................................................................................................................40
The do Command............................................................................................................................................................. 41
The no Command............................................................................................................................................................ 42
Obtaining Help..................................................................................................................................................................42
Entering and Editing Commands....................................................................................................................................43
Command History............................................................................................................................................................ 44
Filtering show Command Outputs................................................................................................................................. 44
Multiple Users in Conguration Mode...........................................................................................................................45
3 Getting Started............................................................................................................................................46
Accessing Ports............................................................................................................................................................... 46
Accessing the RJ-45/RS-232 Console Port................................................................................................................ 46
Pin Assignments...............................................................................................................................................................47
Accessing the CLI Interface and Running Scripts Using SSH.................................................................................... 47
Entering CLI commands Using an SSH Connection..............................................................................................47
Executing Local CLI Scripts Using an SSH Connection........................................................................................47
Default Conguration...................................................................................................................................................... 48
Accessing the USB-B Console Port.............................................................................................................................. 48
Booting Process............................................................................................................................................................... 48
Enter the Initial Conguration Information....................................................................................................................50
Conguring the Enable Password...................................................................................................................................51
Conguring a Host Name................................................................................................................................................ 51
Navigating CLI Modes......................................................................................................................................................51
Default Conguration...................................................................................................................................................... 52
Conguring Layer 2 (Data Link) Mode..........................................................................................................................52
Accessing the System Remotely....................................................................................................................................52
Congure the Management Port IP Address............................................................................................................... 52
Congure a Management Route....................................................................................................................................53
Conguring a Username and Password........................................................................................................................ 53
Creating a Port-based VLAN..........................................................................................................................................53
Assigning Interfaces to a VLAN..................................................................................................................................... 53
Assigning an IP Address to a VLAN...............................................................................................................................54
Connect the S5000 to the Network.............................................................................................................................54
Contents
3
Congure File Management........................................................................................................................................... 54
Copying Files to and from the System.......................................................................................................................... 54
Important Points to Remember............................................................................................................................... 55
Mounting an NFS File System........................................................................................................................................55
Important Points to Remember................................................................................................................................56
Saving the Running-Conguration.................................................................................................................................57
Viewing Files..................................................................................................................................................................... 57
View Conguration Files................................................................................................................................................. 58
Compressing Conguration Files................................................................................................................................... 59
Managing the File System.............................................................................................................................................. 62
Enabling Software Features on Devices Using a Command Option..........................................................................62
View Command History.................................................................................................................................................. 63
Upgrading and Downgrading Dell Networking OS.......................................................................................................63
Verify Software Images Before Installation...................................................................................................................63
Using HTTP for File Transfers........................................................................................................................................ 64
4 Switch Management....................................................................................................................................66
Conguring Privilege Levels........................................................................................................................................... 66
Creating a Custom Privilege Level...........................................................................................................................66
Removing a Command from EXEC Mode.................................................................................................................... 66
Moving a Command from EXEC Privilege Mode to EXEC Mode..............................................................................66
Allowing Access to CONFIGURATION Mode Commands.......................................................................................... 67
Allowing Access to the Following Modes......................................................................................................................67
Applying a Privilege Level to a Username.....................................................................................................................68
Applying a Privilege Level to a Terminal Line................................................................................................................ 69
Conguring Logging........................................................................................................................................................ 69
Log Messages in the Internal Buer..............................................................................................................................69
Conguration Task List for System Log Management.......................................................................................... 69
Disabling System Logging......................................................................................................................................... 70
Sending System Messages to a Syslog Server...................................................................................................... 70
Conguring a UNIX System as a Syslog Server...........................................................................................................70
Track Login Activity..........................................................................................................................................................70
Restrictions for Tracking Login Activity................................................................................................................... 71
Conguring Login Activity Tracking..........................................................................................................................71
Display Login Statistics...............................................................................................................................................71
Limit Concurrent Login Sessions....................................................................................................................................73
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................73
Conguring Concurrent Session Limit.....................................................................................................................73
Enabling the System to Clear Existing Sessions.................................................................................................... 73
Enabling Secured CLI Mode............................................................................................................................................74
Changing System Logging Settings............................................................................................................................... 74
Display the Logging Buer and the Logging Conguration........................................................................................75
Conguring a UNIX Logging Facility Level....................................................................................................................76
Synchronizing Log Messages......................................................................................................................................... 77
Enabling Timestamp on Syslog Messages.................................................................................................................... 77
File Transfer Services.......................................................................................................................................................78
4
Contents
Conguration Task List for File Transfer Services..................................................................................................78
Enabling the FTP Server........................................................................................................................................... 78
Conguring FTP Server Parameters........................................................................................................................78
Conguring FTP Client Parameters......................................................................................................................... 79
Terminal Lines................................................................................................................................................................... 79
Denying and Permitting Access to a Terminal Line................................................................................................ 79
Conguring Login Authentication for Terminal Lines...................................................................................................80
Setting Time Out of EXEC Privilege Mode................................................................................................................... 81
Using Telnet to get to Another Network Device...........................................................................................................81
Lock CONFIGURATION Mode....................................................................................................................................... 82
Viewing the Conguration Lock Status...................................................................................................................82
View the Conguration Lock Status..............................................................................................................................83
Recovering from a Forgotten Password....................................................................................................................... 83
Recovering from a Forgotten Enable Password...........................................................................................................83
Recovering from a Failed Start.......................................................................................................................................84
5 802.1X......................................................................................................................................................... 85
The Port-Authentication Process...................................................................................................................................87
EAP over RADIUS............................................................................................................................................................ 87
RADIUS Attributes for 802.1 Support......................................................................................................................88
Conguring 802.1X...........................................................................................................................................................88
Related Conguration Tasks..................................................................................................................................... 88
Important Points to Remember................................................................................................................................88
Enabling 802.1X................................................................................................................................................................ 89
Conguring MAC addresses for a do1x Prole.............................................................................................................90
Conguring Request Identity Re-Transmissions............................................................................................................91
Conguring a Quiet Period after a Failed Authentication............................................................................................ 91
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 92
Re-Authenticating a Port................................................................................................................................................93
Conguring Timeouts......................................................................................................................................................94
Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 95
Guest and Authentication-Fail VLANs.......................................................................................................................... 96
Conguring a Guest VLAN....................................................................................................................................... 96
Conguring an Authentication-Fail VLAN...............................................................................................................96
Conguring dot1x Prole ................................................................................................................................................97
Conguring the Static MAB and MAB Prole .............................................................................................................98
Conguring Critical VLAN ..............................................................................................................................................99
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 100
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 100
Guidelines for Conguring ACL VLAN Groups............................................................................................................ 101
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters............................................... 101
Conguring ACL VLAN Groups...............................................................................................................................101
Conguring FP Blocks for VLAN Parameters.......................................................................................................102
Viewing CAM Usage...................................................................................................................................................... 103
Allocating FP Blocks for VLAN Processes.................................................................................................................. 104
Contents
5
7 Access Control Lists (ACLs)....................................................................................................................... 106
IP Access Control Lists (ACLs).....................................................................................................................................106
CAM Allocation and CAM Optimization.......................................................................................................................107
User Congurable CAM Allocation......................................................................................................................... 107
CAM Optimization....................................................................................................................................................108
Test CAM Usage.......................................................................................................................................................108
View CAM-ACL Settings.........................................................................................................................................108
View CAM Usage...................................................................................................................................................... 110
QoS CAM Region Limitation....................................................................................................................................110
Implementing ACLs on Dell Networking OS................................................................................................................. 111
ACLs and VLANs........................................................................................................................................................111
ACL Optimization....................................................................................................................................................... 111
Determine the Order in which ACLs are Used to Classify Trac........................................................................ 111
IP Fragment Handling..................................................................................................................................................... 112
IP Fragments ACL Examples....................................................................................................................................112
Layer 4 ACL Rules Examples................................................................................................................................... 113
Congure a Standard IP ACL.........................................................................................................................................114
Conguring a Standard IP ACL Filter......................................................................................................................115
Congure an Extended IP ACL......................................................................................................................................115
Conguring Filters with a Sequence Number........................................................................................................116
Conguring Filters Without a Sequence Number................................................................................................. 116
Established Flag...............................................................................................................................................................117
Congure Layer 2 and Layer 3 ACLs.............................................................................................................................117
Assign an IP ACL to an Interface...................................................................................................................................118
Applying an IP ACL....................................................................................................................................................118
Counting ACL Hits.................................................................................................................................................... 119
Congure Ingress ACLs.................................................................................................................................................. 119
Congure Egress ACLs...................................................................................................................................................119
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 120
Congure ACLs to Loopback.........................................................................................................................................121
Applying an ACL on Loopback Interfaces.....................................................................................................................121
IP Prex Lists.................................................................................................................................................................. 122
Implementation Information.................................................................................................................................... 122
Conguration Task List for Prex Lists.................................................................................................................. 122
Creating a Prex List......................................................................................................................................................123
Creating a Prex List Without a Sequence Number............................................................................................ 123
Viewing Prex Lists.................................................................................................................................................. 124
Applying a Prex List for Route Redistribution.....................................................................................................125
Applying a Filter to a Prex List (OSPF)................................................................................................................125
ACL Resequencing......................................................................................................................................................... 126
Resequencing an ACL or Prex List.......................................................................................................................126
Route Maps.....................................................................................................................................................................128
Implementation Information.................................................................................................................................... 128
Important Points to Remember.............................................................................................................................. 128
Conguration Task List for Route Maps................................................................................................................ 128
6
Contents
Creating a Route Map..............................................................................................................................................128
Congure Route Map Filters...................................................................................................................................130
Conguring Match Routes......................................................................................................................................130
Conguring Set Conditions..................................................................................................................................... 132
Congure a Route Map for Route Redistribution.................................................................................................133
Congure a Route Map for Route Tagging............................................................................................................133
Continue Clause........................................................................................................................................................134
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 135
How BFD Works............................................................................................................................................................. 135
BFD Packet Format........................................................................................................................................................136
BFD Sessions...................................................................................................................................................................137
BFD Three-Way Handshake.......................................................................................................................................... 138
Session State Changes..................................................................................................................................................140
Important Points to Remember.............................................................................................................................. 140
Congure BFD................................................................................................................................................................ 140
Congure BFD for Physical Ports........................................................................................................................... 141
Congure BFD for Static Routes............................................................................................................................142
Congure BFD for OSPF.........................................................................................................................................145
Congure BFD for OSPFv3.....................................................................................................................................149
Congure BFD for IS-IS...........................................................................................................................................152
Congure BFD for BGP...........................................................................................................................................155
Conguring Protocol Liveness.................................................................................................................................161
Troubleshooting BFD.......................................................................................................................................................161
9 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 163
Autonomous Systems (AS)........................................................................................................................................... 164
Sessions and Peers........................................................................................................................................................ 166
Establish a Session...................................................................................................................................................166
Route Reectors.............................................................................................................................................................167
Communities................................................................................................................................................................... 168
BGP Attributes................................................................................................................................................................168
Best Path Selection Criteria....................................................................................................................................168
Weight..............................................................................................................................................................................170
Local Preference.............................................................................................................................................................170
Multi-Exit Discriminators (MEDs)............................................................................................................................171
Origin................................................................................................................................................................................172
AS Path............................................................................................................................................................................ 172
Next Hop......................................................................................................................................................................... 173
Multiprotocol BGP.......................................................................................................................................................... 173
Implement BGP with Dell Networking OS...................................................................................................................173
Additional Path (Add-Path) Support...................................................................................................................... 173
Advertise IGP Cost as MED for Redistributed Routes.........................................................................................174
Ignore Router-ID for Some Best-Path Calculations..............................................................................................174
Four-Byte AS Numbers............................................................................................................................................174
AS4 Number Representation.................................................................................................................................. 175
Contents
7
AS Number Migration.....................................................................................................................................................176
BGP4 Management Information Base (MIB).............................................................................................................. 177
Important Points to Remember.............................................................................................................................. 178
Conguration Information..............................................................................................................................................178
BGP Conguration....................................................................................................................................................179
Enabling BGP.................................................................................................................................................................. 180
Conguring AS4 Number Representations................................................................................................................. 183
Conguring Peer Groups............................................................................................................................................... 184
Conguring BGP Fast Fall-Over................................................................................................................................... 187
Conguring Passive Peering......................................................................................................................................... 188
Maintaining Existing AS Numbers During an AS Migration....................................................................................... 189
Allowing an AS Number to Appear in its Own AS Path............................................................................................. 190
Enabling Graceful Restart............................................................................................................................................. 190
Enabling Neighbor Graceful Restart............................................................................................................................. 191
Filtering on an AS-Path Attribute................................................................................................................................. 192
Regular Expressions as Filters.................................................................................................................................193
Filtering BGP Routes Using AS-PATH Information.................................................................................................... 194
Redistributing Routes.................................................................................................................................................... 195
Enabling Additional Paths.............................................................................................................................................. 196
Conguring IP Community Lists................................................................................................................................... 196
Filtering Routes with Community Lists........................................................................................................................ 197
Manipulating the COMMUNITY Attribute...................................................................................................................198
Changing MED Attributes............................................................................................................................................. 199
Changing the LOCAL_PREFERENCE Attribute........................................................................................................ 199
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes.................. 200
Changing the WEIGHT Attribute..................................................................................................................................201
Enabling Multipath..........................................................................................................................................................201
Filtering BGP Routes Using Route Maps.....................................................................................................................201
Filtering BGP Routes Using AS-PATH Information....................................................................................................202
Filtering BGP Routes.....................................................................................................................................................203
Filtering BGP Routes Using Route Maps..............................................................................................................204
Filtering BGP Routes Using AS-PATH Information............................................................................................. 205
Conguring BGP Route Reectors............................................................................................................................. 205
Aggregating Routes.......................................................................................................................................................206
Conguring BGP Confederations................................................................................................................................ 206
Enabling Route Flap Dampening.................................................................................................................................. 207
Changing BGP Timers...................................................................................................................................................209
Enabling BGP Neighbor Soft-Reconguration........................................................................................................... 210
Enabling or disabling BGP neighbors............................................................................................................................ 211
Route Map Continue......................................................................................................................................................212
Match a Clause with a Continue Clause................................................................................................................212
Set a Clause with a Continue Clause..................................................................................................................... 212
Enabling MBGP Congurations.................................................................................................................................... 212
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 213
BGP Regular Expression Optimization.........................................................................................................................213
8
Contents
Debugging BGP.............................................................................................................................................................. 214
Storing Last and Bad PDUs.....................................................................................................................................214
Capturing PDUs........................................................................................................................................................215
PDU Counters...........................................................................................................................................................216
Sample Congurations...................................................................................................................................................216
10 Bare Metal Provisioning (BMP)................................................................................................................ 225
Prerequisites...................................................................................................................................................................225
Restrictions.....................................................................................................................................................................225
Reconguring Jumpstart and Normal Modes............................................................................................................ 226
Jumpstart Mode.............................................................................................................................................................227
DHCP Server/Conguration...................................................................................................................................227
MAC-Based IP Assignment.................................................................................................................................... 228
DHCP Retry Mechanism.........................................................................................................................................229
File Server.......................................................................................................................................................................229
Domain Name Server.................................................................................................................................................... 230
Switch Boot and Set-up Behavior in Jumpstart Mode.............................................................................................230
11 Content Addressable Memory (CAM)....................................................................................................... 232
CAM Allocation...............................................................................................................................................................232
Re-Allocating CAM for Ingress ACLs and QoS.......................................................................................................... 233
Re-Allocating CAM for Egress ACLs........................................................................................................................... 234
Testing CAM Usage for QoS Policies..........................................................................................................................235
Displaying CAM-ACL Settings......................................................................................................................................235
Displaying CAM-ACL-Egress Settings.........................................................................................................................236
CAM Optimization......................................................................................................................................................... 236
Troubleshoot CAM Proling....................................................................................................................................236
12 Control Plane Policing (CoPP)..................................................................................................................237
Congure Control Plane Policing................................................................................................................................. 238
Conguring CoPP for Protocols.................................................................................................................................. 239
Conguring CoPP for CPU Queues............................................................................................................................. 241
Show Commands........................................................................................................................................................... 241
13 Data Center Bridging (DCB)..................................................................................................................... 243
Ethernet Enhancements in Data Center Bridging......................................................................................................243
Priority-Based Flow Control................................................................................................................................... 244
Enhanced Transmission Selection..........................................................................................................................245
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................246
Data Center Bridging in a Trac Flow...................................................................................................................247
Enabling Data Center Bridging..................................................................................................................................... 247
DCB Maps and its Attributes..................................................................................................................................248
Data Center Bridging: Default Conguration..............................................................................................................249
Conguring Priority-Based Flow Control.................................................................................................................... 249
Conguring Lossless Queues................................................................................................................................. 250
Conguring PFC in a DCB Map....................................................................................................................................251
Contents
9
PFC Conguration Notes........................................................................................................................................ 251
PFC Prerequisites and Restrictions.......................................................................................................................252
Applying a DCB Map on a Port.................................................................................................................................... 252
Conguring PFC without a DCB Map.........................................................................................................................253
Conguring Lossless QueuesExample:..................................................................................................................253
Priority-Based Flow Control Using Dynamic Buer Method................................................................................... 255
Pause and Resume of Trac..................................................................................................................................255
Buer Sizes for Lossless or PFC Packets............................................................................................................ 255
Behavior of Tagged Packets.........................................................................................................................................256
Conguration Example for DSCP and PFC Priorities................................................................................................256
Using PFC to Manage Converged Ethernet Trac...................................................................................................257
Congure Enhanced Transmission Selection..............................................................................................................257
ETS Prerequisites and Restrictions........................................................................................................................257
Creating an ETS Priority Group..............................................................................................................................257
ETS Operation with DCBx......................................................................................................................................259
Conguring Bandwidth Allocation for DCBx CIN................................................................................................ 259
Conguring ETS in a DCB Map..............................................................................................................................260
Hierarchical Scheduling in ETS Output Policies..........................................................................................................261
Using ETS to Manage Converged Ethernet Trac................................................................................................... 262
Applying DCB Policies in a Switch Stack.................................................................................................................... 262
Congure a DCBx Operation........................................................................................................................................262
DCBx Operation....................................................................................................................................................... 262
DCBx Port Roles...................................................................................................................................................... 263
DCB Conguration Exchange................................................................................................................................ 264
Conguration Source Election................................................................................................................................264
Propagation of DCB Information........................................................................................................................... 265
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 265
DCBx Example......................................................................................................................................................... 266
DCBx Prerequisites and Restrictions.....................................................................................................................266
Conguring DCBx....................................................................................................................................................266
Verifying the DCB Conguration..................................................................................................................................270
Sample DCB Conguration........................................................................................................................................... 278
PFC and ETS Conguration Command Examples...............................................................................................280
QoS dot1p Trac Classication and Queue Assignment..........................................................................................280
Conguring the Dynamic Buer Method.................................................................................................................... 281
14 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 283
DHCP Packet Format and Options............................................................................................................................. 283
Assign an IP Address using DHCP...............................................................................................................................285
Implementation Information..........................................................................................................................................286
Conguration Tasks....................................................................................................................................................... 286
Congure the System to be a DHCP Server..............................................................................................................286
Conguration Tasks..................................................................................................................................................287
Conguring the Server for Automatic Address Allocation.................................................................................. 287
Specifying a Default Gateway................................................................................................................................ 288
Enabling the DHCP Server..................................................................................................................................... 288
10
Contents
Congure a Method of Hostname Resolution..................................................................................................... 289
Creating Manual Binding Entries............................................................................................................................290
Debugging the DHCP Server.................................................................................................................................290
Using DHCP Clear Commands.............................................................................................................................. 290
Congure the System to be a Relay Agent................................................................................................................. 291
Congure the System for User Port Stacking........................................................................................................... 293
Congure Secure DHCP...............................................................................................................................................293
Option 82..................................................................................................................................................................293
DHCP Snooping.......................................................................................................................................................294
Drop DHCP Packets on Snooped VLANs Only....................................................................................................295
Dynamic ARP Inspection........................................................................................................................................ 296
Source Address Validation...................................................................................................................................... 298
Viewing the Number of SAV Dropped Packets......................................................................................................... 299
Clearing the Number of SAV Dropped Packets.........................................................................................................300
15 Equal Cost Multi-Path (ECMP).................................................................................................................301
ECMP for Flow-Based Anity......................................................................................................................................301
Conguring the Hash Algorithm...................................................................................................................................301
Enabling Deterministic ECMP Next Hop..................................................................................................................... 301
Conguring the Hash Algorithm Seed........................................................................................................................ 302
Link Bundle Monitoring................................................................................................................................................. 302
Managing ECMP Group Paths.....................................................................................................................................303
Creating an ECMP Group Bundle................................................................................................................................303
Modifying the ECMP Group Threshold.......................................................................................................................303
16 Fabric Services........................................................................................................................................ 305
Conguring Switch Mode to Fabric Services............................................................................................................ 306
Name Server.................................................................................................................................................................. 306
Link State Database.......................................................................................................................................................307
Inter Switch Link (ISL).............................................................................................................................................307
Principal Switch Selection and Domain ID Assignment.......................................................................................308
Route Table...............................................................................................................................................................308
Zoning............................................................................................................................................................................. 308
Creating Zone and Adding Members.................................................................................................................... 308
Creating Zone Alias and Adding Members........................................................................................................... 309
Creating Zonesets................................................................................................................................................... 309
Activating a Zoneset............................................................................................................................................... 309
Zone Merge (within ISL)..........................................................................................................................................310
Conguring Fabric Parameters............................................................................................................................... 310
Displaying the Fabric Parameters............................................................................................................................311
17 FCoE Transit............................................................................................................................................. 316
Fibre Channel over Ethernet.........................................................................................................................................316
Ensure Robustness in a Converged Ethernet Network.............................................................................................316
FIP Snooping on Ethernet Bridges...............................................................................................................................318
FIP Snooping in a Switch Stack...................................................................................................................................320
Contents
11
Using FIP Snooping....................................................................................................................................................... 320
Enable the FCoE Transit Feature...........................................................................................................................320
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................................................................................................................................ 322
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 on an NPIV Proxy Gateway............................................................................................................324
FIP Snooping in an S5000 Stack........................................................................................................................... 324
Impact on Other Software Features..................................................................................................................... 324
FIP Snooping Restrictions.......................................................................................................................................324
Conguring FIP Snooping.......................................................................................................................................325
Displaying FIP Snooping Information.....................................................................................................................326
FCoE Transit Conguration Example........................................................................................................................... 331
18 FIPS Cryptography...................................................................................................................................333
Conguration Tasks....................................................................................................................................................... 333
Preparing the System....................................................................................................................................................333
Enabling FIPS Mode...................................................................................................................................................... 334
Generating Host-Keys...................................................................................................................................................334
Monitoring FIPS Mode Status......................................................................................................................................334
Disabling FIPS Mode..................................................................................................................................................... 335
19 Fibre Channel Interface............................................................................................................................ 336
Congure Fibre Channel Interfaces.............................................................................................................................336
Enabling Fibre Channel Capability................................................................................................................................336
Conguring Fibre Channel Interfaces.......................................................................................................................... 337
Displaying Fibre Channel Information.......................................................................................................................... 337
Troubleshooting Fibre Channel Operation.................................................................................................................. 340
Conguring the Fibre Channel Port Group in Passthrough Ethernet Mode........................................................... 341
Displaying Fibre Channel Port Group Mode Information...........................................................................................342
20 Force10 Resilient Ring Protocol (FRRP).................................................................................................. 343
Protocol Overview......................................................................................................................................................... 343
Ring Status............................................................................................................................................................... 345
Multiple FRRP Rings............................................................................................................................................... 345
Important FRRP Points...........................................................................................................................................346
Important FRRP Concepts..................................................................................................................................... 347
Implementing FRRP.......................................................................................................................................................348
FRRP Conguration.......................................................................................................................................................348
Creating the FRRP Group.......................................................................................................................................348
Conguring the Control VLAN...............................................................................................................................349
Conguring and Adding the Member VLANs...................................................................................................... 350
12
Contents
Setting the FRRP Timers.........................................................................................................................................351
Clearing the FRRP Counters...................................................................................................................................351
Viewing the FRRP Conguration............................................................................................................................351
Viewing the FRRP Information............................................................................................................................... 351
Troubleshooting FRRP.................................................................................................................................................. 352
Conguration Checks..............................................................................................................................................352
Sample Conguration and Topology............................................................................................................................352
FRRP Support on VLT...................................................................................................................................................354
Example Scenario.................................................................................................................................................... 355
Important Points to Remember............................................................................................................................. 356
21 GARP VLAN Registration Protocol (GVRP).............................................................................................. 357
Important Points to Remember....................................................................................................................................357
Congure GVRP.............................................................................................................................................................357
Related Conguration Tasks...................................................................................................................................358
Enabling GVRP Globally................................................................................................................................................ 358
Enabling GVRP on a Layer 2 Interface........................................................................................................................359
Congure GVRP Registration...................................................................................................................................... 359
Congure a GARP Timer.............................................................................................................................................. 360
22 High Availability (HA)............................................................................................................................... 361
High Availability on Stacks.............................................................................................................................................361
Hitless Behavior..............................................................................................................................................................361
Graceful Restart.............................................................................................................................................................362
Software Resiliency....................................................................................................................................................... 362
System Health Monitoring......................................................................................................................................362
Failure and Event Logging.......................................................................................................................................362
Trace Log.................................................................................................................................................................. 362
Core Dumps..............................................................................................................................................................362
System Log...............................................................................................................................................................363
Hot-Lock Behavior.........................................................................................................................................................363
Component Redundancy.............................................................................................................................................. 363
Automatic and Manual Stack Unit Failover.......................................................................................................... 363
Synchronization between Management and Standby Units..............................................................................364
Forcing a Stack Unit Failover................................................................................................................................. 364
Specifying an Auto-Failover Limit..........................................................................................................................364
Disabling Auto-Reboot............................................................................................................................................ 364
Manually Synchronizing Management and Standby Units................................................................................. 365
23 Internet Group Management Protocol (IGMP).........................................................................................366
IGMP Implementation Information.............................................................................................................................. 366
IGMP Protocol Overview..............................................................................................................................................366
IGMP Version 2........................................................................................................................................................366
Join a Multicast Group............................................................................................................................................ 367
Leaving a Multicast Group...................................................................................................................................... 367
IGMP Version 3........................................................................................................................................................368
Contents
13
Congure IGMP.............................................................................................................................................................. 371
Related Conguration Tasks....................................................................................................................................371
Viewing IGMP Enabled Interfaces............................................................................................................................... 372
Selecting an IGMP Version........................................................................................................................................... 372
Viewing IGMP Groups................................................................................................................................................... 372
Adjusting Timers.............................................................................................................................................................373
Adjusting Query and Response Timers..................................................................................................................373
Enabling IGMP Immediate-Leave................................................................................................................................. 374
IGMP Snooping.............................................................................................................................................................. 374
IGMP Snooping Implementation Information........................................................................................................374
Conguring IGMP Snooping................................................................................................................................... 374
Removing a Group-Port Association..................................................................................................................... 375
Enabling IGMP Immediate-Leave...........................................................................................................................375
Disabling Multicast Flooding................................................................................................................................... 376
Specifying a Port as Connected to a Multicast Router.......................................................................................376
Conguring the Switch as Querier.........................................................................................................................376
Fast Convergence after MSTP Topology Changes................................................................................................... 377
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................ 377
Protocol Separation................................................................................................................................................. 378
Enabling and Disabling Management Egress Interface Selection...................................................................... 379
Handling of Management Route Conguration................................................................................................... 379
Handling of Switch-Initiated Trac....................................................................................................................... 380
Handling of Switch-Destined Trac...................................................................................................................... 381
Handling of Transit Trac (Trac Separation)..................................................................................................... 381
Mapping of Management Applications and Trac Type......................................................................................381
Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 382
Behavior of Various Applications for Switch-Destined Trac ...........................................................................383
Interworking of EIS With Various Applications.....................................................................................................384
Designating a Multicast Router Interface................................................................................................................... 385
24 Interfaces................................................................................................................................................ 386
Basic Interface Conguration.......................................................................................................................................386
Advanced Interface Conguration...............................................................................................................................386
Interface Types...............................................................................................................................................................387
View Basic Interface Information................................................................................................................................. 387
Resetting an Interface to its Factory Default State...................................................................................................389
Enabling Energy Ecient Ethernet............................................................................................................................. 390
View EEE Information................................................................................................................................................... 390
Clear EEE Counters.......................................................................................................................................................394
Enabling a Physical Interface........................................................................................................................................395
Physical Interfaces.........................................................................................................................................................395
Conguration Task List for Physical Interfaces....................................................................................................396
Overview of Layer Modes...................................................................................................................................... 396
Conguring Layer 2 (Data Link) Mode..................................................................................................................396
Conguring Layer 2 (Interface) Mode...................................................................................................................397
Conguring Layer 3 (Network) Mode................................................................................................................... 397
14
Contents
Conguring Layer 3 (Interface) Mode.................................................................................................................. 398
Egress Interface Selection (EIS)..................................................................................................................................398
Important Points to Remember............................................................................................................................. 398
Conguring EIS........................................................................................................................................................ 399
Management Interfaces................................................................................................................................................399
Conguring Management Interfaces.................................................................................................................... 399
Conguring a Management Interface on an Ethernet Port................................................................................ 401
VLAN Interfaces............................................................................................................................................................. 401
Loopback Interfaces...................................................................................................................................................... 402
Null Interfaces................................................................................................................................................................ 403
Port Channel Interfaces................................................................................................................................................403
Port Channel Denition and Standards.................................................................................................................403
Port Channel Benets.............................................................................................................................................403
Port Channel Implementation.................................................................................................................................403
Interfaces in Port Channels....................................................................................................................................404
Conguration Tasks for Port Channel Interfaces.................................................................................................404
Creating a Port Channel......................................................................................................................................... 405
Adding a Physical Interface to a Port Channel.....................................................................................................405
Reassigning an Interface to a New Port Channel................................................................................................ 407
Conguring the Minimum Oper Up Links in a Port Channel...............................................................................407
Adding or Removing a Port Channel from a VLAN............................................................................................. 408
Assigning an IP Address to a Port Channel.......................................................................................................... 409
Deleting or Disabling a Port Channel.....................................................................................................................409
Load Balancing Through Port Channels............................................................................................................... 409
Changing the Hash Algorithm.................................................................................................................................410
Bulk Conguration...........................................................................................................................................................411
Interface Range......................................................................................................................................................... 411
Bulk Conguration Examples................................................................................................................................... 411
Dening Interface Range Macros.................................................................................................................................413
Dene the Interface Range..................................................................................................................................... 413
Choosing an Interface-Range Macro..................................................................................................................... 413
Monitoring and Maintaining Interfaces........................................................................................................................ 413
Maintenance Using TDR..........................................................................................................................................414
Non Dell-Qualied Transceivers....................................................................................................................................415
Splitting QSFP Ports to SFP+ Ports............................................................................................................................415
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port...................................................................................416
Important Points to Remember.............................................................................................................................. 416
Example Scenarios....................................................................................................................................................417
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................420
Link Dampening.............................................................................................................................................................. 421
Important Points to Remember.............................................................................................................................. 421
Enabling Link Dampening.........................................................................................................................................421
Link Bundle Monitoring................................................................................................................................................. 423
Using Ethernet Pause Frames for Flow Control........................................................................................................ 423
Enabling Pause Frames........................................................................................................................................... 424
Contents
15
Congure the MTU Size on an Interface....................................................................................................................424
Port-Pipes.......................................................................................................................................................................425
Auto-Negotiation on Ethernet Interfaces...................................................................................................................425
Setting the Speed of Ethernet Interfaces............................................................................................................ 425
Set Auto-Negotiation Options................................................................................................................................427
View Advanced Interface Information......................................................................................................................... 427
Conguring the Interface Sampling Size.............................................................................................................. 428
Conguring the Trac Sampling Size Globally...........................................................................................................429
Dynamic Counters......................................................................................................................................................... 430
Clearing Interface Counters.................................................................................................................................... 431
25 Internet Protocol Security (IPSec).......................................................................................................... 432
Conguring IPSec .........................................................................................................................................................432
26 IPv4 Routing............................................................................................................................................434
IP Addresses...................................................................................................................................................................435
Implementation Information....................................................................................................................................435
Conguration Tasks for IP Addresses..........................................................................................................................435
Assigning IP Addresses to an Interface.......................................................................................................................435
Conguring Static Routes.............................................................................................................................................436
Congure Static Routes for the Management Interface.......................................................................................... 437
IPv4 Path MTU Discovery Overview.......................................................................................................................... 438
Using the Congured Source IP Address in ICMP Messages..................................................................................438
Conguring the ICMP Source Interface............................................................................................................... 438
Conguring the Duration to Establish a TCP Connection........................................................................................ 439
Enabling Directed Broadcast........................................................................................................................................ 439
Resolution of Host Names............................................................................................................................................439
Enabling Dynamic Resolution of Host Names............................................................................................................440
Specifying the Local System Domain and a List of Domains................................................................................... 440
Conguring DNS with Traceroute................................................................................................................................ 441
ARP.................................................................................................................................................................................. 441
Conguration Tasks for ARP........................................................................................................................................ 442
Conguring Static ARP Entries....................................................................................................................................442
Enabling Proxy ARP.......................................................................................................................................................442
Clearing ARP Cache...................................................................................................................................................... 443
ARP Learning via Gratuitous ARP................................................................................................................................443
Enabling ARP Learning via Gratuitous ARP................................................................................................................443
ARP Learning via ARP Request................................................................................................................................... 443
Conguring ARP Retries............................................................................................................................................... 444
ICMP............................................................................................................................................................................... 445
Conguration Tasks for ICMP......................................................................................................................................445
Enabling ICMP Unreachable Messages...................................................................................................................... 445
UDP Helper.....................................................................................................................................................................445
Congure UDP Helper.............................................................................................................................................445
Important Points to Remember............................................................................................................................. 446
Enabling UDP Helper.....................................................................................................................................................446
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Contents
Conguring a Broadcast Address................................................................................................................................ 446
Congurations Using UDP Helper................................................................................................................................447
UDP Helper with Broadcast-All Addresses.................................................................................................................447
UDP Helper with Subnet Broadcast Addresses.........................................................................................................448
UDP Helper with Congured Broadcast Addresses..................................................................................................448
UDP Helper with No Congured Broadcast Addresses............................................................................................449
Troubleshooting UDP Helper........................................................................................................................................449
27 IPv6 Routing............................................................................................................................................ 450
Protocol Overview.........................................................................................................................................................450
Extended Address Space........................................................................................................................................450
Stateless Autoconguration................................................................................................................................... 450
IPv6 Headers.............................................................................................................................................................451
IPv6 Header Fields................................................................................................................................................... 451
Extension Header Fields..........................................................................................................................................453
Addressing................................................................................................................................................................ 454
Implementing IPv6 with Dell Networking OS.............................................................................................................455
ICMPv6.....................................................................................................................................................................455
Path MTU Discovery...............................................................................................................................................455
IPv6 Neighbor Discovery........................................................................................................................................456
Secure Shell (SSH) Over an IPv6 Transport........................................................................................................ 457
Conguration Tasks for IPv6........................................................................................................................................ 457
Adjusting Your CAM-Prole....................................................................................................................................458
Assigning an IPv6 Address to an Interface...........................................................................................................458
Assigning a Static IPv6 Route................................................................................................................................459
Conguring Telnet with IPv6..................................................................................................................................459
SNMP over IPv6......................................................................................................................................................460
Showing IPv6 Information...................................................................................................................................... 460
Showing an IPv6 Interface..................................................................................................................................... 460
Showing IPv6 Routes...............................................................................................................................................461
Showing the Running-Conguration for an Interface......................................................................................... 462
Clearing IPv6 Routes...............................................................................................................................................463
Disabling ND Entry Timeout................................................................................................................................... 463
Conguring IPv6 RA Guard.......................................................................................................................................... 463
Conguring IPv6 RA Guard on an Interface.........................................................................................................465
Monitoring IPv6 RA Guard..................................................................................................................................... 466
28 iSCSI Optimization...................................................................................................................................467
iSCSI Optimization Overview....................................................................................................................................... 467
Monitoring iSCSI Trac Flows...............................................................................................................................468
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 468
Information Monitored in iSCSI Trac Flows.......................................................................................................469
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 469
Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 470
Enable and Disable iSCSI Optimization................................................................................................................. 470
Default iSCSI Optimization Values................................................................................................................................471
Contents
17
iSCSI Optimization Prerequisites.................................................................................................................................. 471
Conguring iSCSI Optimization.................................................................................................................................... 471
Displaying iSCSI Optimization Information..................................................................................................................473
29 Intermediate System to Intermediate System.......................................................................................... 475
IS-IS Protocol Overview................................................................................................................................................475
IS-IS Addressing.............................................................................................................................................................475
Multi-Topology IS-IS.......................................................................................................................................................476
Transition Mode........................................................................................................................................................476
Interface Support.....................................................................................................................................................477
Adjacencies............................................................................................................................................................... 477
Graceful Restart.............................................................................................................................................................477
Timers........................................................................................................................................................................477
Implementation Information..........................................................................................................................................478
Conguration Information............................................................................................................................................. 478
Conguration Tasks for IS-IS..................................................................................................................................479
Conguring the Distance of a Route.....................................................................................................................486
Changing the IS-Type.............................................................................................................................................. 487
IS-IS Metric Styles..........................................................................................................................................................491
Congure Metric Values................................................................................................................................................492
Maximum Values in the Routing Table.................................................................................................................. 492
Change the IS-IS Metric Style in One Level Only................................................................................................492
Leaks from One Level to Another..........................................................................................................................494
Sample Congurations.................................................................................................................................................. 494
30 Link Aggregation Control Protocol (LACP)...............................................................................................497
Introduction to Dynamic LAGs and LACP...................................................................................................................497
Important Points to Remember..............................................................................................................................497
LACP Modes............................................................................................................................................................ 498
Conguring LACP Commands...............................................................................................................................498
LACP Conguration Tasks............................................................................................................................................499
Creating a LAG.........................................................................................................................................................499
Conguring the LAG Interfaces as Dynamic........................................................................................................499
Setting the LACP Long Timeout........................................................................................................................... 500
Monitoring and Debugging LACP..........................................................................................................................500
Shared LAG State Tracking...........................................................................................................................................501
Conguring Shared LAG State Tracking................................................................................................................501
Important Points about Shared LAG State Tracking...........................................................................................502
LACP Basic Conguration Example............................................................................................................................ 503
Congure a LAG on ALPHA................................................................................................................................... 503
31 Layer 2.......................................................................................................................................................511
Manage the MAC Address Table...................................................................................................................................511
Clearing the MAC Address Table.............................................................................................................................511
Setting the Aging Time for Dynamic Entries..........................................................................................................511
Conguring a Static MAC Address.........................................................................................................................512
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Contents
Displaying the MAC Address Table.........................................................................................................................512
MAC Learning Limit........................................................................................................................................................512
mac learning-limit Dynamic..................................................................................................................................... 513
mac learning-limit mac-address-sticky.................................................................................................................. 513
mac learning-limit station-move............................................................................................................................. 513
Learning Limit Violation Actions..............................................................................................................................513
Setting Station Move Violation Actions................................................................................................................. 514
Recovering from Learning Limit and Station Move Violations............................................................................514
Disabling MAC Address Learning on the System................................................................................................. 515
NIC Teaming....................................................................................................................................................................515
Congure Redundant Pairs........................................................................................................................................... 516
Important Points about Conguring Redundant Pairs.........................................................................................518
Far-End Failure Detection..............................................................................................................................................519
FEFD State Changes...............................................................................................................................................520
Conguring FEFD.....................................................................................................................................................521
Enabling FEFD on an Interface............................................................................................................................... 521
Debugging FEFD......................................................................................................................................................522
32 Link Layer Discovery Protocol (LLDP)..................................................................................................... 524
802.1AB (LLDP) Overview............................................................................................................................................524
Protocol Data Units................................................................................................................................................. 524
Optional TLVs.................................................................................................................................................................525
Management TLVs.................................................................................................................................................. 525
TIA-1057 (LLDP-MED) Overview...........................................................................................................................527
Congure LLDP.............................................................................................................................................................. 531
Related Conguration Tasks....................................................................................................................................531
Important Points to Remember.............................................................................................................................. 531
LLDP Compatibility..................................................................................................................................................532
CONFIGURATION versus INTERFACE Congurations...................................................................................... 532
Enabling LLDP..........................................................................................................................................................532
Disabling and Undoing LLDP.................................................................................................................................. 533
Enabling LLDP on Management Ports........................................................................................................................533
Disabling and Undoing LLDP on Management Ports.......................................................................................... 533
Advertising TLVs............................................................................................................................................................ 533
Viewing the LLDP Conguration................................................................................................................................. 534
Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 535
Conguring LLDPDU Intervals.....................................................................................................................................536
Conguring Transmit and Receive Mode....................................................................................................................536
Conguring a Time to Live............................................................................................................................................537
Debugging LLDP............................................................................................................................................................538
Relevant Management Objects................................................................................................................................... 539
33 Microsoft Network Load Balancing.......................................................................................................... 544
NLB Unicast Mode Scenario........................................................................................................................................544
NLB Multicast Mode Scenario.....................................................................................................................................544
Limitations of the NLB Feature....................................................................................................................................545
Contents
19
Microsoft Clustering......................................................................................................................................................545
Enable and Disable VLAN Flooding ............................................................................................................................ 545
Conguring a Switch for NLB .....................................................................................................................................545
Enabling a Switch for Multicast NLB.................................................................................................................... 546
34 Multicast Source Discovery Protocol (MSDP)......................................................................................... 547
Protocol Overview......................................................................................................................................................... 547
Anycast RP.....................................................................................................................................................................548
Implementation Information......................................................................................................................................... 549
Congure Multicast Source Discovery Protocol........................................................................................................549
Related Conguration Tasks.........................................................................................................................................549
Enable MSDP.................................................................................................................................................................553
Manage the Source-Active Cache..............................................................................................................................554
Viewing the Source-Active Cache........................................................................................................................ 554
Limiting the Source-Active Cache.........................................................................................................................554
Clearing the Source-Active Cache........................................................................................................................555
Enabling the Rejected Source-Active Cache.......................................................................................................555
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 555
Specifying Source-Active Messages...........................................................................................................................559
Limiting the Source-Active Messages from a Peer...................................................................................................560
Preventing MSDP from Caching a Local Source.......................................................................................................560
Preventing MSDP from Caching a Remote Source...................................................................................................561
Preventing MSDP from Advertising a Local Source.................................................................................................. 561
Logging Changes in Peership States...........................................................................................................................562
Terminating a Peership..................................................................................................................................................562
Clearing Peer Statistics.................................................................................................................................................563
Debugging MSDP..........................................................................................................................................................563
Conguring Anycast RP................................................................................................................................................564
Reducing Source-Active Message Flooding.........................................................................................................564
Specifying the RP Address Used in SA Messages.............................................................................................. 564
MSDP Sample Congurations......................................................................................................................................567
35 Multiple Spanning Tree Protocol (MSTP).................................................................................................570
Protocol Overview......................................................................................................................................................... 570
Congure Multiple Spanning Tree Protocol.................................................................................................................571
Related Conguration Tasks....................................................................................................................................571
Enable Multiple Spanning Tree Globally....................................................................................................................... 571
Adding and Removing Interfaces................................................................................................................................. 572
Creating Multiple Spanning Tree Instances................................................................................................................ 572
Inuencing MSTP Root Selection................................................................................................................................573
Interoperate with Non-Dell Networking OS Bridges..................................................................................................574
Modifying Global Parameters........................................................................................................................................574
Modifying the Interface Parameters............................................................................................................................575
Conguring an EdgePort.............................................................................................................................................. 576
Conguring Fast Hellos for Link State Detection.......................................................................................................577
Flush MAC Addresses after a Topology Change........................................................................................................577
20
Contents
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