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PowerSwitch S6000

Dell PowerSwitch S6000 Owner's manual

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Dell Conguration Guide for the S6000 System
9.14.1.0
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.
© 2018 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.
2018 - 11
Rev. A00
Contents
1 About this Guide...........................................................................................................................................37
Audience............................................................................................................................................................................37
Conventions...................................................................................................................................................................... 37
Related Documents..........................................................................................................................................................37
2 Conguration Fundamentals........................................................................................................................ 38
Accessing the Command Line........................................................................................................................................38
CLI Modes.........................................................................................................................................................................38
Navigating CLI Modes...............................................................................................................................................40
The do Command............................................................................................................................................................ 43
Undoing Commands........................................................................................................................................................ 43
Obtaining Help..................................................................................................................................................................44
Entering and Editing Commands....................................................................................................................................44
Command History............................................................................................................................................................45
Filtering show Command Outputs.................................................................................................................................45
Example of the grep Keyword.................................................................................................................................. 45
Multiple Users in Conguration Mode...........................................................................................................................46
Conguring alias command.............................................................................................................................................46
Viewing alias conguration........................................................................................................................................47
3 Getting Started............................................................................................................................................49
Console Access................................................................................................................................................................50
Serial Console.............................................................................................................................................................50
Default Conguration....................................................................................................................................................... 51
Conguring a Host Name................................................................................................................................................ 51
Accessing the System Remotely.................................................................................................................................... 51
Accessing the System Remotely.............................................................................................................................. 51
Congure the Management Port IP Address......................................................................................................... 52
Congure a Management Route..............................................................................................................................52
Conguring a Username and Password..................................................................................................................52
Conguring the Enable Password..................................................................................................................................53
Conguration File Management.....................................................................................................................................54
Copy Files to and from the System......................................................................................................................... 54
Mounting an NFS File System..................................................................................................................................55
Save the Running-Conguration..............................................................................................................................56
Congure the Overload Bit for a Startup Scenario................................................................................................57
Viewing Files............................................................................................................................................................... 57
Managing the File System.............................................................................................................................................. 58
View Command History.................................................................................................................................................. 58
Upgrading Dell EMC Networking OS............................................................................................................................ 59
Using HTTP for File Transfers........................................................................................................................................ 59
Verify Software Images Before Installation...................................................................................................................59
Contents
3
4 Management................................................................................................................................................ 61
Conguring Privilege Levels............................................................................................................................................ 61
Creating a Custom Privilege Level...........................................................................................................................62
Removing a Command from EXEC Mode.............................................................................................................. 62
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................62
Allowing Access to CONFIGURATION Mode Commands....................................................................................62
Allowing Access to Dierent Modes........................................................................................................................62
Applying a Privilege Level to a Username............................................................................................................... 64
Applying a Privilege Level to a Terminal Line.......................................................................................................... 64
Conguring Logging........................................................................................................................................................ 64
Audit and Security Logs............................................................................................................................................65
Conguring Logging Format ...................................................................................................................................67
Setting Up a Secure Connection to a Syslog Server.............................................................................................67
Log Messages in the Internal Buer..............................................................................................................................68
Conguration Task List for System Log Management.......................................................................................... 68
Disabling System Logging............................................................................................................................................... 68
Sending System Messages to a Syslog Server............................................................................................................69
Conguring a UNIX System as a Syslog Server.....................................................................................................69
Track Login Activity......................................................................................................................................................... 69
Restrictions for Tracking Login Activity.................................................................................................................. 69
Conguring Login Activity Tracking.........................................................................................................................69
Display Login Statistics..............................................................................................................................................70
Limit Concurrent Login Sessions.....................................................................................................................................71
Restrictions for Limiting the Number of Concurrent Sessions............................................................................. 71
Conguring Concurrent Session Limit.....................................................................................................................72
Enabling the System to Clear Existing Sessions.................................................................................................... 72
Enabling Secured CLI Mode............................................................................................................................................73
Changing System Logging Settings...............................................................................................................................73
Display the Logging Buer and the Logging Conguration........................................................................................ 74
Conguring a UNIX Logging Facility Level.................................................................................................................... 74
Synchronizing Log Messages......................................................................................................................................... 76
Enabling Timestamp on Syslog Messages.................................................................................................................... 76
File Transfer Services.......................................................................................................................................................77
Conguration Task List for File Transfer Services.................................................................................................. 77
Enabling the FTP Server........................................................................................................................................... 77
Conguring FTP Server Parameters........................................................................................................................77
Conguring FTP Client Parameters......................................................................................................................... 78
Terminal Lines................................................................................................................................................................... 78
Denying and Permitting Access to a Terminal Line................................................................................................79
Conguring Login Authentication for Terminal Lines.............................................................................................80
Setting Timeout for EXEC Privilege Mode....................................................................................................................81
Using Telnet to get to Another Network Device...........................................................................................................81
Lock CONFIGURATION Mode....................................................................................................................................... 82
Viewing the Conguration Lock Status...................................................................................................................82
Recovering from a Forgotten Password on the S6000.............................................................................................. 82
4
Contents
Recovering from a Forgotten Enable Password...........................................................................................................83
Recovering from a Failed Start on the S6000............................................................................................................. 83
Restoring the Factory Default Settings.........................................................................................................................84
Important Points to Remember................................................................................................................................84
Restoring Factory Default Environment Variables................................................................................................. 85
Viewing the Reason for Last System Reboot.............................................................................................................. 86
Disabling Syslog Messages for SNMP Authentication Failure Events...................................................................... 86
5 802.1X..........................................................................................................................................................87
Port-Authentication Process..........................................................................................................................................89
EAP over RADIUS......................................................................................................................................................89
Conguring 802.1X...........................................................................................................................................................90
Related Conguration Tasks..................................................................................................................................... 90
Important Points to Remember......................................................................................................................................90
Enabling 802.1X................................................................................................................................................................. 91
Conguring dot1x Prole ................................................................................................................................................92
Conguring MAC addresses for a do1x Prole.............................................................................................................93
Conguring the Static MAB and MAB Prole .............................................................................................................93
Conguring Critical VLAN ..............................................................................................................................................94
Conguring Request Identity Re-Transmissions...........................................................................................................95
Conguring a Quiet Period after a Failed Authentication..................................................................................... 95
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 96
Re-Authenticating a Port................................................................................................................................................ 97
Conguring Timeouts......................................................................................................................................................98
Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 99
Guest and Authentication-Fail VLANs.........................................................................................................................100
Conguring a Guest VLAN......................................................................................................................................100
Conguring an Authentication-Fail VLAN............................................................................................................. 100
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 102
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 102
Guidelines for Conguring ACL VLAN Groups........................................................................................................... 103
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................103
Conguring ACL VLAN Groups.............................................................................................................................. 103
Conguring FP Blocks for VLAN Parameters.......................................................................................................104
Viewing CAM Usage...................................................................................................................................................... 105
Allocating FP Blocks for VLAN Processes.................................................................................................................. 106
7 Access Control Lists (ACLs)....................................................................................................................... 108
IP Access Control Lists (ACLs).....................................................................................................................................109
CAM Usage................................................................................................................................................................110
Implementing ACLs on Dell EMC Networking OS................................................................................................ 110
Important Points to Remember.....................................................................................................................................112
Conguration Task List for Route Maps.................................................................................................................112
Conguring Match Routes.......................................................................................................................................114
Conguring Set Conditions......................................................................................................................................116
Contents
5
Congure a Route Map for Route Redistribution..................................................................................................117
Congure a Route Map for Route Tagging............................................................................................................ 117
Continue Clause........................................................................................................................................................ 118
IP Fragment Handling..................................................................................................................................................... 118
IP Fragments ACL Examples................................................................................................................................... 118
Layer 4 ACL Rules Examples................................................................................................................................... 119
Congure a Standard IP ACL.........................................................................................................................................119
Conguring a Standard IP ACL Filter..................................................................................................................... 120
Congure an Extended IP ACL......................................................................................................................................121
Conguring Filters with a Sequence Number........................................................................................................121
Conguring Filters Without a Sequence Number.................................................................................................124
Congure Layer 2 and Layer 3 ACLs............................................................................................................................125
Assign an IP ACL to an Interface..................................................................................................................................125
Applying an IP ACL.........................................................................................................................................................126
Counting ACL Hits....................................................................................................................................................126
Congure Ingress ACLs..................................................................................................................................................127
Congure Egress ACLs.................................................................................................................................................. 127
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 128
IP Prex Lists.................................................................................................................................................................. 129
Implementation Information.................................................................................................................................... 129
Conguration Task List for Prex Lists.................................................................................................................. 129
ACL Remarks.................................................................................................................................................................. 133
Conguring a Remark.............................................................................................................................................. 133
Deleting a Remark.................................................................................................................................................... 134
ACL Resequencing......................................................................................................................................................... 134
Resequencing an ACL or Prex List.......................................................................................................................135
Route Maps.....................................................................................................................................................................136
Implementation Information.................................................................................................................................... 136
Conguring UDF ACL.................................................................................................................................................... 136
Conguring IP Mirror Access Group............................................................................................................................ 139
Sample Conguration...............................................................................................................................................139
Example of viewing IP mirror–access–group applied to an Interface................................................................140
8 Bidirectional Forwarding Detection (BFD)................................................................................................... 141
How BFD Works.............................................................................................................................................................. 141
BFD Packet Format..................................................................................................................................................142
BFD Sessions............................................................................................................................................................ 143
BFD Three-Way Handshake.................................................................................................................................... 144
Session State Changes............................................................................................................................................146
Important Points to Remember.................................................................................................................................... 146
Congure BFD................................................................................................................................................................ 146
Congure BFD for Physical Ports...........................................................................................................................147
Congure BFD for Static Routes............................................................................................................................148
Congure BFD for IPv6 Static Routes...................................................................................................................152
Congure BFD for OSPF.........................................................................................................................................154
Congure BFD for OSPFv3.....................................................................................................................................158
6
Contents
Congure BFD for IS-IS............................................................................................................................................161
Congure BFD for BGP........................................................................................................................................... 163
Congure BFD for VRRP..........................................................................................................................................171
Conguring Protocol Liveness................................................................................................................................ 173
9 Border Gateway Protocol (BGP).................................................................................................................174
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 174
BGP Autonomous Systems...........................................................................................................................................175
AS4 Number Representation.................................................................................................................................. 176
Four-Byte AS Numbers............................................................................................................................................178
Multiprotocol BGP.......................................................................................................................................................... 178
Sessions and Peers.........................................................................................................................................................179
Establish a Session................................................................................................................................................... 179
BGP global and address family conguration..............................................................................................................180
BGP global conguration default values................................................................................................................180
BGP Attributes for selecting Best Path........................................................................................................................181
Best Path Selection Criteria.....................................................................................................................................181
Weight........................................................................................................................................................................183
Local Preference.......................................................................................................................................................183
Multi-Exit Discriminators (MEDs)...........................................................................................................................184
Origin..........................................................................................................................................................................185
AS Path......................................................................................................................................................................186
Next Hop................................................................................................................................................................... 186
Implement BGP with Dell EMC Networking OS......................................................................................................... 187
Additional Path (Add-Path) Support...................................................................................................................... 187
Advertise IGP Cost as MED for Redistributed Routes.........................................................................................187
Ignore Router-ID in Best-Path Calculation............................................................................................................ 188
AS Number Migration.............................................................................................................................................. 188
BGP4 Management Information Base (MIB)........................................................................................................189
Important Points to Remember.............................................................................................................................. 189
Conguration Information............................................................................................................................................. 190
Basic BGP conguration tasks..................................................................................................................................... 190
Enabling BGP............................................................................................................................................................ 190
Conguring a BGP peer...........................................................................................................................................193
Conguring AS4 Number Representations........................................................................................................... 194
Conguring a BGP VRF address family.................................................................................................................195
Route-refresh and Soft-reconguration................................................................................................................ 197
Aggregating Routes.................................................................................................................................................200
Filtering BGP Routes...............................................................................................................................................200
Filtering BGP Routes Using Route Maps..............................................................................................................200
Filtering BGP Routes Using AS-PATH Information.............................................................................................. 201
Conguring Peer Groups........................................................................................................................................ 202
Conguring BGP Fast Fall-Over.............................................................................................................................210
Conguring Passive Peering.................................................................................................................................... 211
Maintaining Existing AS Numbers During an AS Migration................................................................................. 212
Allowing an AS Number to Appear in its Own AS Path....................................................................................... 213
Contents
7
Enabling Graceful Restart........................................................................................................................................214
Filtering on an AS-Path Attribute........................................................................................................................... 215
Regular Expressions as Filters.................................................................................................................................216
Redistributing Routes...............................................................................................................................................217
Enabling Additional Paths........................................................................................................................................ 218
Conguring IP Community Lists............................................................................................................................. 219
Conguring an IP Extended Community List....................................................................................................... 220
Filtering Routes with Community Lists.................................................................................................................. 221
Manipulating the COMMUNITY Attribute............................................................................................................ 222
Changing MED Attributes.......................................................................................................................................224
Changing the LOCAL_PREFERENCE Attribute..................................................................................................224
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 225
Changing the WEIGHT Attribute...........................................................................................................................225
Enabling Multipath...................................................................................................................................................226
Route Reectors......................................................................................................................................................226
Conguring BGP Confederations.......................................................................................................................... 228
Enabling Route Flap Dampening............................................................................................................................ 228
Changing BGP keepalive and hold timers.............................................................................................................230
Setting the extended timer..................................................................................................................................... 231
Enabling or disabling BGP neighbors.....................................................................................................................232
Route Map Continue............................................................................................................................................... 233
Enabling MBGP Congurations....................................................................................................................................234
MBGP support for IPv6................................................................................................................................................234
Conguring IPv6 MBGP between peers.....................................................................................................................234
Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 235
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor................................................237
BGP Regular Expression Optimization........................................................................................................................239
Debugging BGP............................................................................................................................................................. 239
Storing Last and Bad PDUs....................................................................................................................................240
Capturing PDUs........................................................................................................................................................241
PDU Counters.......................................................................................................................................................... 242
10 Content Addressable Memory (CAM).......................................................................................................243
CAM Allocation...............................................................................................................................................................243
Test CAM Usage............................................................................................................................................................245
View CAM Proles.........................................................................................................................................................245
View CAM-ACL Settings.............................................................................................................................................. 246
View CAM Usage........................................................................................................................................................... 247
Conguring CAM Threshold and Silence Period........................................................................................................248
Setting CAM Threshold and Silence Period......................................................................................................... 248
CAM Optimization......................................................................................................................................................... 249
Troubleshoot CAM Proling..........................................................................................................................................249
QoS CAM Region Limitation...................................................................................................................................249
Syslog Error When the Table is Full....................................................................................................................... 250
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................250
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................250
8
Contents
Unied Forwarding Table (UFT) Modes..................................................................................................................... 250
Conguring UFT Modes......................................................................................................................................... 250
11 Control Plane Policing (CoPP).................................................................................................................. 252
Congure Control Plane Policing................................................................................................................................. 253
Conguring CoPP for Protocols............................................................................................................................ 254
Conguring CoPP for CPU Queues...................................................................................................................... 256
Protocol to CPU Queue Mapping.......................................................................................................................... 257
Conguring Protocol to CPU Queue Mapping.....................................................................................................257
Displaying CoPP Conguration .............................................................................................................................258
12 Data Center Bridging (DCB).....................................................................................................................260
Ethernet Enhancements in Data Center Bridging..................................................................................................... 260
Priority-Based Flow Control....................................................................................................................................261
Enhanced Transmission Selection..........................................................................................................................262
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................263
Data Center Bridging in a Trac Flow...................................................................................................................264
Enabling Data Center Bridging.....................................................................................................................................264
DCB Maps and its Attributes................................................................................................................................. 265
Data Center Bridging: Default Conguration..............................................................................................................266
Conguring Priority-Based Flow Control....................................................................................................................266
Conguring Lossless Queues........................................................................................................................................267
Conguring PFC in a DCB Map................................................................................................................................... 269
PFC Conguration Notes....................................................................................................................................... 269
PFC Prerequisites and Restrictions....................................................................................................................... 270
Conguring PFC without a DCB Map.........................................................................................................................270
Conguring Lossless QueuesExample:..................................................................................................................270
Priority-Based Flow Control Using Dynamic Buer Method..............................................................................272
Behavior of Tagged Packets......................................................................................................................................... 273
Conguration Example for DSCP and PFC Priorities................................................................................................273
SNMP Support for PFC and Buer Statistics Tracking............................................................................................ 274
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................275
PFC and ETS Conguration Examples........................................................................................................................275
Using PFC to Manage Converged Ethernet Trac...................................................................................................275
Operations on Untagged Packets................................................................................................................................ 276
Generation of PFC for a Priority for Untagged Packets........................................................................................... 276
Congure Enhanced Transmission Selection..............................................................................................................276
ETS Prerequisites and Restrictions........................................................................................................................276
Creating an ETS Priority Group..............................................................................................................................277
ETS Operation with DCBx...................................................................................................................................... 278
Conguring Bandwidth Allocation for DCBx CIN.................................................................................................278
Conguring ETS in a DCB Map..............................................................................................................................279
Hierarchical Scheduling in ETS Output Policies.........................................................................................................280
Using ETS to Manage Converged Ethernet Trac....................................................................................................281
Applying DCB Policies in a Switch Stack.....................................................................................................................281
Congure a DCBx Operation.........................................................................................................................................281
Contents
9
DCBx Operation........................................................................................................................................................281
DCBx Port Roles...................................................................................................................................................... 282
DCB Conguration Exchange.................................................................................................................................283
Conguration Source Election................................................................................................................................283
Propagation of DCB Information............................................................................................................................284
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 284
DCBx Example......................................................................................................................................................... 285
DCBx Prerequisites and Restrictions.....................................................................................................................285
Conguring DCBx....................................................................................................................................................285
Verifying the DCB Conguration................................................................................................................................. 289
QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 297
Conguring the Dynamic Buer Method................................................................................................................... 298
Sample DCB Conguration...........................................................................................................................................299
PFC and ETS Conguration Command Examples............................................................................................... 301
13 Dynamic Host Conguration Protocol (DHCP).........................................................................................302
DHCP Packet Format and Options............................................................................................................................. 302
Assign an IP Address using DHCP...............................................................................................................................304
Implementation Information......................................................................................................................................... 305
Congure the System to be a DHCP Server............................................................................................................. 305
Conguring the Server for Automatic Address Allocation..................................................................................306
Specifying a Default Gateway................................................................................................................................ 307
Congure a Method of Hostname Resolution..................................................................................................... 308
Using DNS for Address Resolution........................................................................................................................308
Using NetBIOS WINS for Address Resolution..................................................................................................... 308
Creating Manual Binding Entries............................................................................................................................308
Debugging the DHCP Server.................................................................................................................................309
Using DHCP Clear Commands.............................................................................................................................. 309
Congure the System to be a DHCP Client...............................................................................................................309
Conguring the DHCP Client System....................................................................................................................310
DHCP Client on a Management Interface..............................................................................................................311
DHCP Client Operation with Other Features........................................................................................................312
DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................313
Conguring Route Leaking between VRFs on DHCP Relay Agent.................................................................... 313
Non-default VRF conguration for DHCPv6 helper address....................................................................................314
Conguring DHCP relay source interface....................................................................................................................314
Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................314
Interface level DHCP relay source IPv4 or IPv6 conguration .......................................................................... 315
Congure the System for User Port Stacking (Option 230).................................................................................... 316
Congure Secure DHCP................................................................................................................................................316
Option 82...................................................................................................................................................................317
DHCP Snooping........................................................................................................................................................317
Conguring the DHCP secondary-subnet............................................................................................................322
Drop DHCP Packets on Snooped VLANs Only....................................................................................................322
Dynamic ARP Inspection.........................................................................................................................................323
Conguring Dynamic ARP Inspection................................................................................................................... 323
10
Contents
Source Address Validation............................................................................................................................................ 325
Enabling IP Source Address Validation..................................................................................................................325
DHCP MAC Source Address Validation................................................................................................................ 326
Enabling IP+MAC Source Address Validation.......................................................................................................326
Viewing the Number of SAV Dropped Packets....................................................................................................327
Clearing the Number of SAV Dropped Packets................................................................................................... 327
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 328
ECMP for Flow-Based Anity.....................................................................................................................................328
Conguring the Hash Algorithm............................................................................................................................ 328
Enabling Deterministic ECMP Next Hop.............................................................................................................. 328
Conguring the Hash Algorithm Seed.................................................................................................................. 329
Link Bundle Monitoring................................................................................................................................................. 329
Managing ECMP Group Paths...............................................................................................................................330
Creating an ECMP Group Bundle..........................................................................................................................330
Modifying the ECMP Group Threshold.................................................................................................................330
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table.......................................331
Support for ECMP in host table............................................................................................................................ 332
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 332
RTAG7............................................................................................................................................................................. 332
Flow-based Hashing for ECMP....................................................................................................................................333
15 FIP Snooping............................................................................................................................................336
Fibre Channel over Ethernet........................................................................................................................................ 336
Ensure Robustness in a Converged Ethernet Network............................................................................................336
FIP Snooping on Ethernet Bridges.............................................................................................................................. 338
FIP Snooping in a Switch Stack...................................................................................................................................340
Using FIP Snooping....................................................................................................................................................... 340
FIP Snooping Prerequisites.....................................................................................................................................340
Important Points to Remember............................................................................................................................. 340
Enabling the FCoE Transit Feature.........................................................................................................................341
Enable FIP Snooping on VLANs.............................................................................................................................342
Congure the FC-MAP Value................................................................................................................................ 342
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................342
Congure a Port for a Bridge-to-FCF Link...........................................................................................................342
Impact on Other Software Features..................................................................................................................... 342
FIP Snooping Restrictions...................................................................................................................................... 343
Conguring FIP Snooping.......................................................................................................................................343
Displaying FIP Snooping Information...........................................................................................................................344
FCoE Transit Conguration Example...........................................................................................................................349
16 Flex Hash and Optimized Boot-Up............................................................................................................ 351
Flex Hash Capability Overview..................................................................................................................................... 351
Conguring the Flex Hash Mechanism........................................................................................................................351
Conguring Fast Boot and LACP Fast Switchover...................................................................................................352
Optimizing the Boot Time.............................................................................................................................................352
Contents
11
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................352
Guidelines for Conguring Optimized Booting Mechanism................................................................................353
Interoperation of Applications with Fast Boot and System States..........................................................................354
LACP and IPv4 Routing.......................................................................................................................................... 354
LACP and IPv6 Routing..........................................................................................................................................354
BGP Graceful Restart............................................................................................................................................. 355
Cold Boot Caused by Power Cycling the System............................................................................................... 355
Unexpected Reload of the System........................................................................................................................355
Software Upgrade................................................................................................................................................... 355
LACP Fast Switchover............................................................................................................................................355
Changes to BGP Multipath.................................................................................................................................... 356
Delayed Installation of ECMP Routes Into BGP...................................................................................................356
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 356
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 357
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 358
Protocol Overview.........................................................................................................................................................358
Ring Status............................................................................................................................................................... 359
Multiple FRRP Rings............................................................................................................................................... 359
Important FRRP Points...........................................................................................................................................360
Important FRRP Concepts......................................................................................................................................361
Implementing FRRP.......................................................................................................................................................362
FRRP Conguration...................................................................................................................................................... 362
Creating the FRRP Group.......................................................................................................................................362
Conguring the Control VLAN...............................................................................................................................362
Conguring and Adding the Member VLANs.......................................................................................................364
Setting the FRRP Timers........................................................................................................................................365
Clearing the FRRP Counters..................................................................................................................................365
Viewing the FRRP Conguration...........................................................................................................................365
Viewing the FRRP Information.............................................................................................................................. 365
Troubleshooting FRRP.................................................................................................................................................. 366
Conguration Checks..............................................................................................................................................366
Sample Conguration and Topology............................................................................................................................366
FRRP Support on VLT...................................................................................................................................................367
Example Scenario.................................................................................................................................................... 368
Important Points to Remember............................................................................................................................. 369
18 GARP VLAN Registration Protocol (GVRP)..............................................................................................370
Important Points to Remember....................................................................................................................................370
Congure GVRP............................................................................................................................................................. 371
Related Conguration Tasks....................................................................................................................................371
Enabling GVRP Globally................................................................................................................................................ 372
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 372
Congure GVRP Registration.......................................................................................................................................372
Congure a GARP Timer...............................................................................................................................................373
12
Contents
19 Internet Group Management Protocol (IGMP)..........................................................................................374
IGMP Implementation Information...............................................................................................................................374
IGMP Protocol Overview.............................................................................................................................................. 374
IGMP Version 2.........................................................................................................................................................374
IGMP Version 3........................................................................................................................................................ 376
Congure IGMP............................................................................................................................................................. 379
Related Conguration Tasks................................................................................................................................... 379
Viewing IGMP Enabled Interfaces...............................................................................................................................380
Selecting an IGMP Version...........................................................................................................................................380
Viewing IGMP Groups....................................................................................................................................................381
Viewing IGMP Snooping Groups.................................................................................................................................. 381
Adjusting Timers............................................................................................................................................................. 381
Adjusting Query and Response Timers.................................................................................................................. 381
Enabling IGMP Immediate-Leave.................................................................................................................................382
IGMP Snooping..............................................................................................................................................................383
IGMP Snooping Implementation Information....................................................................................................... 383
Conguring IGMP Snooping...................................................................................................................................383
Removing a Group-Port Association.....................................................................................................................384
Disabling Multicast Flooding...................................................................................................................................384
Specifying a Port as Connected to a Multicast Router...................................................................................... 384
Conguring the Switch as Querier........................................................................................................................ 385
Fast Convergence after MSTP Topology Changes...................................................................................................385
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................385
Protocol Separation.................................................................................................................................................386
Enabling and Disabling Management Egress Interface Selection...................................................................... 387
Handling of Management Route Conguration................................................................................................... 388
Handling of Switch-Initiated Trac....................................................................................................................... 388
Handling of Switch-Destined Trac......................................................................................................................389
Handling of Transit Trac (Trac Separation).................................................................................................... 390
Mapping of Management Applications and Trac Type.....................................................................................390
Behavior of Various Applications for Switch-Initiated Trac .............................................................................391
Behavior of Various Applications for Switch-Destined Trac ...........................................................................392
Interworking of EIS With Various Applications.....................................................................................................392
Designating a Multicast Router Interface................................................................................................................... 393
20 Interfaces................................................................................................................................................ 394
Basic Interface Conguration.......................................................................................................................................394
Advanced Interface Conguration...............................................................................................................................394
Interface Types...............................................................................................................................................................395
View Basic Interface Information.................................................................................................................................395
Resetting an Interface to its Factory Default State...................................................................................................397
Enabling a Physical Interface........................................................................................................................................398
Physical Interfaces.........................................................................................................................................................398
Conguration Task List for Physical Interfaces....................................................................................................398
40G to 1G Breakout Cable Adaptor....................................................................................................................... 398
Contents
13
Overview of Layer Modes...................................................................................................................................... 399
Conguring Layer 2 (Data Link) Mode................................................................................................................. 400
Conguring Layer 2 (Interface) Mode.................................................................................................................. 400
Conguring Layer 3 (Network) Mode...................................................................................................................400
Conguring Layer 3 (Interface) Mode................................................................................................................... 401
Automatic recovery of an Err-disabled interface....................................................................................................... 402
Conguring an automatic recovery for an Err-disabled interface......................................................................402
Egress Interface Selection (EIS)..................................................................................................................................403
Important Points to Remember............................................................................................................................. 403
Conguring EIS........................................................................................................................................................ 403
Management Interfaces................................................................................................................................................404
Conguring Management Interfaces.................................................................................................................... 404
Conguring a Management Interface on an Ethernet Port............................................................................... 405
VLAN Interfaces............................................................................................................................................................ 406
Loopback Interfaces...................................................................................................................................................... 407
Null Interfaces................................................................................................................................................................ 407
Port Channel Interfaces................................................................................................................................................ 407
Port Channel Denition and Standards.................................................................................................................408
Port Channel Benets.............................................................................................................................................408
Port Channel Implementation.................................................................................................................................408
Interfaces in Port Channels.................................................................................................................................... 409
Conguration Tasks for Port Channel Interfaces.................................................................................................409
Creating a Port Channel......................................................................................................................................... 409
Adding a Physical Interface to a Port Channel..................................................................................................... 410
Reassigning an Interface to a New Port Channel..................................................................................................411
Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 412
Adding or Removing a Port Channel from a VLAN.............................................................................................. 412
Assigning an IP Address to a Port Channel........................................................................................................... 413
Deleting or Disabling a Port Channel......................................................................................................................414
Load Balancing Through Port Channels................................................................................................................ 414
Changing the Hash Algorithm.................................................................................................................................414
Bulk Conguration..........................................................................................................................................................415
Interface Range........................................................................................................................................................ 415
Bulk Conguration Examples.................................................................................................................................. 416
Dening Interface Range Macros................................................................................................................................. 417
Dene the Interface Range..................................................................................................................................... 417
Choosing an Interface-Range Macro.....................................................................................................................418
Monitoring and Maintaining Interfaces........................................................................................................................ 418
Maintenance Using TDR..........................................................................................................................................419
Non Dell-Qualied Transceivers....................................................................................................................................419
Splitting 40G Ports without Reload.............................................................................................................................420
Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 422
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................423
Important Points to Remember..............................................................................................................................423
Example Scenarios...................................................................................................................................................424
14
Contents
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................ 427
Link Dampening..............................................................................................................................................................428
Important Points to Remember..............................................................................................................................428
Conguration Example of Link Dampening...........................................................................................................428
Enabling Link Dampening.........................................................................................................................................431
Link Bundle Monitoring................................................................................................................................................. 432
Using Ethernet Pause Frames for Flow Control........................................................................................................ 433
Enabling Pause Frames........................................................................................................................................... 433
Congure the MTU Size on an Interface....................................................................................................................434
Port-Pipes.......................................................................................................................................................................435
Auto-Negotiation on Ethernet Interfaces...................................................................................................................435
Setting the Speed of Ethernet Interfaces............................................................................................................ 435
Set Auto-Negotiation Options................................................................................................................................437
View Advanced Interface Information......................................................................................................................... 437
Conguring the Interface Sampling Size.............................................................................................................. 438
Conguring the Trac Sampling Size Globally...........................................................................................................439
Dynamic Counters......................................................................................................................................................... 440
Clearing Interface Counters.................................................................................................................................... 441
Compressing Conguration Files.................................................................................................................................. 441
21 IPv4 Routing............................................................................................................................................ 445
IP Addresses...................................................................................................................................................................446
Implementation Information....................................................................................................................................446
Conguration Tasks for IP Addresses..........................................................................................................................446
Assigning IP Addresses to an Interface.......................................................................................................................446
Conguring Static Routes.............................................................................................................................................447
Congure Static Routes for the Management Interface.......................................................................................... 448
Using the Congured Source IP Address in ICMP Messages..................................................................................449
Conguring the ICMP Source Interface............................................................................................................... 449
Conguring the Duration to Establish a TCP Connection........................................................................................ 449
Enabling Directed Broadcast........................................................................................................................................ 450
Resolution of Host Names............................................................................................................................................450
Enabling Dynamic Resolution of Host Names............................................................................................................450
Specifying the Local System Domain and a List of Domains.................................................................................... 451
Conguring DNS with Traceroute................................................................................................................................ 451
ARP................................................................................................................................................................................. 452
Conguration Tasks for ARP........................................................................................................................................ 452
Conguring Static ARP Entries....................................................................................................................................452
Enabling Proxy ARP.......................................................................................................................................................453
Clearing ARP Cache......................................................................................................................................................453
ARP Learning via Gratuitous ARP............................................................................................................................... 453
Enabling ARP Learning via Gratuitous ARP................................................................................................................454
ARP Learning via ARP Request................................................................................................................................... 454
Conguring ARP Retries...............................................................................................................................................455
ICMP............................................................................................................................................................................... 455
Conguration Tasks for ICMP......................................................................................................................................455
Contents
15
Enabling ICMP Unreachable Messages...................................................................................................................... 455
UDP Helper.....................................................................................................................................................................456
Congure UDP Helper............................................................................................................................................ 456
Important Points to Remember............................................................................................................................. 456
Enabling UDP Helper.....................................................................................................................................................456
Conguring a Broadcast Address................................................................................................................................ 457
Congurations Using UDP Helper................................................................................................................................457
UDP Helper with Broadcast-All Addresses.................................................................................................................457
UDP Helper with Subnet Broadcast Addresses.........................................................................................................458
UDP Helper with Congured Broadcast Addresses..................................................................................................458
UDP Helper with No Congured Broadcast Addresses............................................................................................459
Troubleshooting UDP Helper........................................................................................................................................459
22 IPv6 Routing............................................................................................................................................460
Protocol Overview.........................................................................................................................................................460
Extended Address Space.........................................................................................................................................461
Stateless Autoconguration.................................................................................................................................... 461
IPv6 Headers.............................................................................................................................................................461
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 462
IPv6 Header Fields...................................................................................................................................................463
Extension Header Fields......................................................................................................................................... 465
Addressing................................................................................................................................................................ 466
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 467
ICMPv6...........................................................................................................................................................................468
Path MTU discovery..................................................................................................................................................... 469
IPv6 Neighbor Discovery..............................................................................................................................................469
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................470
Conguring the IPv6 Recursive DNS Server....................................................................................................... 470
Debugging IPv6 RDNSS Information Sent to the Host ......................................................................................471
Displaying IPv6 RDNSS Information.......................................................................................................................471
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 472
Conguration Tasks for IPv6........................................................................................................................................ 472
Adjusting Your CAM-Prole.................................................................................................................................... 472
Assigning an IPv6 Address to an Interface........................................................................................................... 473
Assigning a Static IPv6 Route................................................................................................................................ 474
Conguring Telnet with IPv6.................................................................................................................................. 474
SNMP over IPv6......................................................................................................................................................475
Displaying IPv6 Information.................................................................................................................................... 475
Displaying an IPv6 Interface Information.............................................................................................................. 475
Showing IPv6 Routes.............................................................................................................................................. 476
Showing the Running-Conguration for an Interface......................................................................................... 477
Clearing IPv6 Routes............................................................................................................................................... 478
Disabling ND Entry Timeout................................................................................................................................... 478
Conguring IPv6 RA Guard.......................................................................................................................................... 478
Conguring IPv6 RA Guard on an Interface.........................................................................................................480
Monitoring IPv6 RA Guard...................................................................................................................................... 481
16
Contents
23 iSCSI Optimization...................................................................................................................................482
iSCSI Optimization Overview....................................................................................................................................... 482
Monitoring iSCSI Trac Flows...............................................................................................................................484
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 484
Information Monitored in iSCSI Trac Flows.......................................................................................................484
Detection and Auto-Conguration for Dell EqualLogic Arrays...........................................................................485
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................485
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................486
Enable and Disable iSCSI Optimization................................................................................................................. 486
Default iSCSI Optimization Values............................................................................................................................... 487
iSCSI Optimization Prerequisites..................................................................................................................................487
Conguring iSCSI Optimization....................................................................................................................................487
Displaying iSCSI Optimization Information................................................................................................................. 489
24 Intermediate System to Intermediate System........................................................................................... 491
IS-IS Protocol Overview................................................................................................................................................ 491
IS-IS Addressing............................................................................................................................................................. 491
Multi-Topology IS-IS...................................................................................................................................................... 492
Transition Mode....................................................................................................................................................... 492
Interface Support.....................................................................................................................................................493
Adjacencies...............................................................................................................................................................493
Graceful Restart.............................................................................................................................................................493
Timers........................................................................................................................................................................493
Implementation Information..........................................................................................................................................493
Conguration Information.............................................................................................................................................494
Conguration Tasks for IS-IS..................................................................................................................................495
Conguring the Distance of a Route.....................................................................................................................502
Changing the IS-Type.............................................................................................................................................. 503
Redistributing IPv4 Routes.....................................................................................................................................505
Redistributing IPv6 Routes.....................................................................................................................................506
Conguring Authentication Passwords.................................................................................................................507
Setting the Overload Bit......................................................................................................................................... 507
Debugging IS-IS.......................................................................................................................................................508
IS-IS Metric Styles.........................................................................................................................................................509
Congure Metric Values............................................................................................................................................... 509
Maximum Values in the Routing Table.................................................................................................................. 509
Change the IS-IS Metric Style in One Level Only................................................................................................509
Leaks from One Level to Another........................................................................................................................... 511
Sample Congurations...................................................................................................................................................512
25 In-Service Software Upgrade................................................................................................................... 514
ISSU Introduction........................................................................................................................................................... 514
Warmboot Limitations..............................................................................................................................................514
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 514
L2 ISSU............................................................................................................................................................................515
Contents
17
L3 ISSU............................................................................................................................................................................515
CoPP................................................................................................................................................................................516
Mirroring ow control packets......................................................................................................................................516
PFC.................................................................................................................................................................................. 516
QoS.................................................................................................................................................................................. 516
Tunnel Conguration...................................................................................................................................................... 516
26 Link Aggregation Control Protocol (LACP)............................................................................................... 518
Introduction to Dynamic LAGs and LACP................................................................................................................... 518
Important Points to Remember.............................................................................................................................. 518
LACP Modes.............................................................................................................................................................519
Conguring LACP Commands................................................................................................................................519
LACP Conguration Tasks............................................................................................................................................520
Creating a LAG.........................................................................................................................................................520
Conguring the LAG Interfaces as Dynamic........................................................................................................520
Setting the LACP Long Timeout............................................................................................................................ 521
Monitoring and Debugging LACP...........................................................................................................................521
Shared LAG State Tracking.......................................................................................................................................... 522
Conguring Shared LAG State Tracking............................................................................................................... 522
Important Points about Shared LAG State Tracking........................................................................................... 524
LACP Basic Conguration Example.............................................................................................................................524
Congure a LAG on ALPHA................................................................................................................................... 524
27 Layer 2.....................................................................................................................................................533
Manage the MAC Address Table................................................................................................................................. 533
Clearing the MAC Address Table........................................................................................................................... 533
Setting the Aging Time for Dynamic Entries........................................................................................................533
Conguring a Static MAC Address........................................................................................................................534
Displaying the MAC Address Table........................................................................................................................ 534
MAC Learning Limit.......................................................................................................................................................534
Setting the MAC Learning Limit............................................................................................................................ 535
mac learning-limit Dynamic.................................................................................................................................... 535
mac learning-limit mac-address-sticky................................................................................................................. 535
mac learning-limit station-move............................................................................................................................ 536
mac learning-limit no-station-move...................................................................................................................... 536
Learning Limit Violation Actions.............................................................................................................................536
Setting Station Move Violation Actions................................................................................................................ 537
Recovering from Learning Limit and Station Move Violations........................................................................... 537
Disabling MAC Address Learning on the System.................................................................................................538
Enabling port security............................................................................................................................................. 538
NIC Teaming................................................................................................................................................................... 538
Congure Redundant Pairs.......................................................................................................................................... 539
Important Points about Conguring Redundant Pairs.........................................................................................541
Far-End Failure Detection.............................................................................................................................................542
FEFD State Changes...............................................................................................................................................543
Conguring FEFD.................................................................................................................................................... 544
18
Contents
Enabling FEFD on an Interface...............................................................................................................................544
Debugging FEFD......................................................................................................................................................545
28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 547
802.1AB (LLDP) Overview............................................................................................................................................547
Protocol Data Units................................................................................................................................................. 547
Optional TLVs.................................................................................................................................................................548
Management TLVs.................................................................................................................................................. 548
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 550
TIA Organizationally Specic TLVs........................................................................................................................550
Congure LLDP............................................................................................................................................................. 554
Related Conguration Tasks...................................................................................................................................554
Important Points to Remember............................................................................................................................. 554
LLDP Compatibility..................................................................................................................................................555
CONFIGURATION versus INTERFACE Congurations............................................................................................555
Enabling LLDP................................................................................................................................................................555
Disabling and Undoing LLDP..................................................................................................................................556
Enabling LLDP on Management Ports........................................................................................................................556
Disabling and Undoing LLDP on Management Ports..........................................................................................556
Advertising TLVs............................................................................................................................................................556
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................558
Reserved Unrecognized LLDP TLVs..................................................................................................................... 558
Organizational Specic Unrecognized LLDP TLVs..............................................................................................558
Viewing Unrecognized LLDP TLVs........................................................................................................................558
Viewing the LLDP Conguration................................................................................................................................. 559
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................559
Examples of Viewing Information Advertised by Neighbors.............................................................................. 559
Conguring LLDPDU Intervals......................................................................................................................................561
Conguring LLDP Notication Interval....................................................................................................................... 562
Conguring Transmit and Receive Mode....................................................................................................................562
Conguring the Time to Live Value............................................................................................................................. 563
Debugging LLDP............................................................................................................................................................563
Relevant Management Objects................................................................................................................................... 565
29 Microsoft Network Load Balancing.......................................................................................................... 570
NLB Unicast Mode Scenario........................................................................................................................................ 570
NLB Multicast Mode Scenario..................................................................................................................................... 570
Limitations of the NLB Feature.....................................................................................................................................571
Microsoft Clustering.......................................................................................................................................................571
Enable and Disable VLAN Flooding ............................................................................................................................. 571
Conguring a Switch for NLB ......................................................................................................................................571
Enabling a Switch for Multicast NLB.....................................................................................................................572
30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 573
Protocol Overview......................................................................................................................................................... 573
Anycast RP..................................................................................................................................................................... 574
Contents
19
Implementation Information..........................................................................................................................................575
Congure Multicast Source Discovery Protocol........................................................................................................575
Related Conguration Tasks................................................................................................................................... 575
Enable MSDP................................................................................................................................................................. 579
Manage the Source-Active Cache..............................................................................................................................580
Viewing the Source-Active Cache........................................................................................................................ 580
Limiting the Source-Active Cache.........................................................................................................................580
Clearing the Source-Active Cache.........................................................................................................................581
Enabling the Rejected Source-Active Cache........................................................................................................581
Accept Source-Active Messages that Fail the RFP Check...................................................................................... 581
Specifying Source-Active Messages...........................................................................................................................584
Limiting the Source-Active Messages from a Peer...................................................................................................585
Preventing MSDP from Caching a Local Source.......................................................................................................585
Preventing MSDP from Caching a Remote Source.................................................................................................. 586
Preventing MSDP from Advertising a Local Source................................................................................................. 586
Logging Changes in Peership States...........................................................................................................................587
Terminating a Peership..................................................................................................................................................587
Clearing Peer Statistics.................................................................................................................................................588
Debugging MSDP..........................................................................................................................................................588
MSDP with Anycast RP................................................................................................................................................589
Conguring Anycast RP............................................................................................................................................... 590
Reducing Source-Active Message Flooding......................................................................................................... 591
Specifying the RP Address Used in SA Messages...............................................................................................591
MSDP Sample Congurations......................................................................................................................................593
31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 596
Protocol Overview.........................................................................................................................................................596
Spanning Tree Variations...............................................................................................................................................597
Implementation Information....................................................................................................................................597
Congure Multiple Spanning Tree Protocol................................................................................................................ 597
Related Conguration Tasks................................................................................................................................... 597
Enable Multiple Spanning Tree Globally...................................................................................................................... 598
Adding and Removing Interfaces.................................................................................................................................598
Creating Multiple Spanning Tree Instances................................................................................................................ 598
Inuencing MSTP Root Selection............................................................................................................................... 600
Interoperate with Non-Dell Bridges.............................................................................................................................600
Changing the Region Name or Revision.....................................................................................................................600
Modifying Global Parameters........................................................................................................................................601
Modifying the Interface Parameters........................................................................................................................... 602
Conguring an EdgePort.............................................................................................................................................. 603
Flush MAC Addresses after a Topology Change....................................................................................................... 604
MSTP Sample Congurations......................................................................................................................................604
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................604
Debugging and Verifying MSTP Congurations........................................................................................................ 607
20
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