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Dell PowerSwitch S6000 ON Owner's manual

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Dell Conguration Guide for the S6000–ON
System
9.14.1.5
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.
© 2019 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.
2019 - 05
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
3 Getting Started............................................................................................................................................47
Console Access................................................................................................................................................................48
Serial Console.............................................................................................................................................................48
Default Conguration...................................................................................................................................................... 49
Conguring a Host Name............................................................................................................................................... 49
Accessing the System Remotely....................................................................................................................................49
Accessing the System Remotely............................................................................................................................. 50
Congure the Management Port IP Address.........................................................................................................50
Congure a Management Route..............................................................................................................................50
Conguring a Username and Password..................................................................................................................50
Conguring the Enable Password...................................................................................................................................51
Conguration File Management.....................................................................................................................................52
Copy Files to and from the System......................................................................................................................... 52
Mounting an NFS File System..................................................................................................................................53
Save the Running-Conguration..............................................................................................................................54
Congure the Overload Bit for a Startup Scenario............................................................................................... 55
Viewing Files...............................................................................................................................................................55
Managing the File System.............................................................................................................................................. 56
View Command History.................................................................................................................................................. 56
Upgrading Dell EMC Networking OS............................................................................................................................ 58
Using HTTP for File Transfers........................................................................................................................................ 58
Verify Software Images Before Installation...................................................................................................................59
4 Management................................................................................................................................................ 61
Contents
3
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 ...................................................................................................................................66
Setting Up a Secure Connection to a Syslog Server.............................................................................................66
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............................................................................................................68
Conguring a UNIX System as a Syslog Server.....................................................................................................68
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......................................................................................................................71
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......................................................................................................................................... 75
Enabling Timestamp on Syslog Messages.................................................................................................................... 76
File Transfer Services.......................................................................................................................................................79
Conguration Task List for File Transfer Services..................................................................................................79
Enabling the FTP Server........................................................................................................................................... 79
Conguring FTP Server Parameters........................................................................................................................79
Conguring FTP Client Parameters.........................................................................................................................80
Terminal Lines...................................................................................................................................................................80
Denying and Permitting Access to a Terminal Line.................................................................................................81
Conguring Login Authentication for Terminal Lines.............................................................................................82
Setting Timeout for EXEC Privilege Mode................................................................................................................... 83
Using Telnet to get to Another Network Device..........................................................................................................83
Lock CONFIGURATION Mode....................................................................................................................................... 84
Viewing the Conguration Lock Status...................................................................................................................84
Reloading the system...................................................................................................................................................... 84
Restoring the Factory Default Settings........................................................................................................................ 85
4
Contents
Important Points to Remember................................................................................................................................85
Restoring Factory Default Environment Variables................................................................................................. 86
Viewing the Reason for Last System Reboot...............................................................................................................87
Disabling Syslog Messages for SNMP Authentication Failure Events.......................................................................88
5 802.1X......................................................................................................................................................... 89
Port-Authentication Process...........................................................................................................................................91
EAP over RADIUS.......................................................................................................................................................91
Conguring 802.1X...........................................................................................................................................................92
Related Conguration Tasks..................................................................................................................................... 92
Important Points to Remember......................................................................................................................................92
Enabling 802.1X................................................................................................................................................................ 93
Conguring dot1x Prole ................................................................................................................................................94
Conguring MAC addresses for a do1x Prole.............................................................................................................95
Conguring the Static MAB and MAB Prole .............................................................................................................95
Conguring Critical VLAN ..............................................................................................................................................96
Conguring Request Identity Re-Transmissions........................................................................................................... 97
Conguring a Quiet Period after a Failed Authentication......................................................................................97
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 98
Re-Authenticating a Port................................................................................................................................................99
Conguring Timeouts.................................................................................................................................................... 100
Conguring Dynamic VLAN Assignment with Port Authentication..........................................................................101
Guest and Authentication-Fail VLANs.........................................................................................................................102
Conguring a Guest VLAN......................................................................................................................................102
Conguring an Authentication-Fail VLAN............................................................................................................. 102
6 Access Control Lists (ACLs).......................................................................................................................104
IP Access Control Lists (ACLs).....................................................................................................................................105
CAM Usage...............................................................................................................................................................106
Implementing ACLs on Dell EMC Networking OS................................................................................................106
Congure ACL Range Proles................................................................................................................................ 108
Important Points to Remember....................................................................................................................................109
Conguration Task List for Route Maps................................................................................................................109
Conguring Match Routes........................................................................................................................................111
Conguring Set Conditions......................................................................................................................................112
Congure a Route Map for Route Redistribution..................................................................................................113
Congure a Route Map for Route Tagging............................................................................................................ 114
Continue Clause........................................................................................................................................................ 114
IP Fragment Handling..................................................................................................................................................... 115
IP Fragments ACL Examples................................................................................................................................... 115
Layer 4 ACL Rules Examples................................................................................................................................... 115
Congure a Standard IP ACL.........................................................................................................................................116
Conguring a Standard IP ACL Filter...................................................................................................................... 117
Congure an Extended IP ACL......................................................................................................................................118
Conguring Filters with a Sequence Number........................................................................................................118
Conguring Filters Without a Sequence Number................................................................................................. 121
Contents
5
Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 121
Assign an IP ACL to an Interface..................................................................................................................................122
Applying an IP ACL.........................................................................................................................................................122
Counting ACL Hits....................................................................................................................................................123
Congure Ingress ACLs................................................................................................................................................. 123
Congure Egress ACLs.................................................................................................................................................. 124
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 125
IP Prex Lists.................................................................................................................................................................. 125
Implementation Information.................................................................................................................................... 126
Conguration Task List for Prex Lists.................................................................................................................. 126
ACL Remarks.................................................................................................................................................................. 129
Conguring a Remark.............................................................................................................................................. 129
Deleting a Remark.................................................................................................................................................... 130
ACL Resequencing..........................................................................................................................................................131
Resequencing an ACL or Prex List........................................................................................................................131
Route Maps.....................................................................................................................................................................132
Implementation Information.................................................................................................................................... 132
Flow-Based Monitoring..................................................................................................................................................133
Behavior of Flow-Based Monitoring.......................................................................................................................133
Enabling Flow-Based Monitoring............................................................................................................................134
Conguring IP Mirror Access Group............................................................................................................................ 135
Sample Conguration...............................................................................................................................................136
Example of viewing IP mirror–access–group applied to an Interface................................................................137
7 Bidirectional Forwarding Detection (BFD).................................................................................................. 138
How BFD Works............................................................................................................................................................. 138
BFD Packet Format..................................................................................................................................................139
BFD Sessions............................................................................................................................................................ 140
BFD Three-Way Handshake.....................................................................................................................................141
Session State Changes............................................................................................................................................143
Important Points to Remember.................................................................................................................................... 143
Congure BFD................................................................................................................................................................ 144
Congure BFD for Physical Ports...........................................................................................................................144
Congure BFD for Static Routes............................................................................................................................146
Congure BFD for IPv6 Static Routes...................................................................................................................149
Congure BFD for OSPF.........................................................................................................................................152
Congure BFD for OSPFv3.....................................................................................................................................156
Congure BFD for IS-IS...........................................................................................................................................159
Congure BFD for BGP............................................................................................................................................161
Congure BFD for VRRP.........................................................................................................................................169
Conguring Protocol Liveness.................................................................................................................................171
8 Border Gateway Protocol (BGP).................................................................................................................172
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 172
BGP Autonomous Systems..................................................................................................................................... 172
AS4 Number Representation...................................................................................................................................174
6
Contents
Four-Byte AS Numbers............................................................................................................................................176
BGP router ID............................................................................................................................................................176
Sessions and Peers...................................................................................................................................................176
Establish a Session....................................................................................................................................................177
BGP Attributes for selecting Best Path................................................................................................................. 177
Multiprotocol BGP....................................................................................................................................................182
BGP global and address family conguration........................................................................................................183
Implement BGP with Dell EMC Networking OS...................................................................................................185
Conguration Information........................................................................................................................................188
Basic BGP conguration tasks......................................................................................................................................188
Prerequisite for conguring a BGP network......................................................................................................... 188
Restrictions............................................................................................................................................................... 189
Enabling BGP............................................................................................................................................................ 189
Enabling four-byte autonomous system numbers.................................................................................................191
Changing a BGP router ID.......................................................................................................................................192
Conguring AS4 Number Representations........................................................................................................... 192
Conguring a BGP peer...........................................................................................................................................194
Example-Conguring BGP routing between peers..............................................................................................195
BGP peer group........................................................................................................................................................196
Advanced BGP conguration tasks.............................................................................................................................202
Route-refresh and Soft-reconguration............................................................................................................... 203
Aggregating Routes.................................................................................................................................................205
Filtering BGP.............................................................................................................................................................207
Conguring BGP Fast Fall-Over............................................................................................................................. 214
Conguring Passive Peering................................................................................................................................... 215
Enabling Graceful Restart........................................................................................................................................216
Redistributing Routes...............................................................................................................................................217
Enabling Additional Paths........................................................................................................................................ 218
Conguring IP Community Lists............................................................................................................................. 219
Conguring an IP Extended Community List....................................................................................................... 220
Congure BGP attributes........................................................................................................................................ 221
Enabling Multipath...................................................................................................................................................225
Route Reectors......................................................................................................................................................226
Enabling Route Flap Dampening............................................................................................................................ 227
Changing BGP keepalive and hold timers.............................................................................................................229
Setting the extended timer.................................................................................................................................... 230
Enabling or disabling BGP neighbors......................................................................................................................231
Route Map Continue............................................................................................................................................... 232
Conguring BGP Confederations.......................................................................................................................... 232
Conguring a BGP VRF address family.................................................................................................................233
Maintaining Existing AS Numbers During an AS Migration................................................................................ 234
Allowing an AS Number to Appear in its Own AS Path...................................................................................... 235
Enabling MBGP Congurations............................................................................................................................. 236
MBGP support for IPv6..........................................................................................................................................236
Conguring IPv6 MBGP between peers...............................................................................................................237
Contents
7
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 238
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 240
BGP Regular Expression Optimization.................................................................................................................. 242
Debugging BGP........................................................................................................................................................242
9 Content Addressable Memory (CAM)........................................................................................................245
CAM Allocation...............................................................................................................................................................245
Test CAM Usage............................................................................................................................................................ 247
View CAM Proles......................................................................................................................................................... 247
View CAM-ACL Settings.............................................................................................................................................. 248
View CAM Usage...........................................................................................................................................................249
Conguring CAM Threshold and Silence Period........................................................................................................250
Setting CAM Threshold and Silence Period......................................................................................................... 250
CAM Optimization.......................................................................................................................................................... 251
Troubleshoot CAM Proling...........................................................................................................................................251
QoS CAM Region Limitation................................................................................................................................... 251
Syslog Error When the Table is Full....................................................................................................................... 252
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................252
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................252
Unied Forwarding Table (UFT) Modes......................................................................................................................252
Conguring UFT Modes..........................................................................................................................................252
10 Control Plane Policing (CoPP)................................................................................................................. 254
Congure Control Plane Policing................................................................................................................................. 255
Conguring CoPP for Protocols............................................................................................................................ 256
Conguring CoPP for CPU Queues...................................................................................................................... 258
Displaying CoPP Conguration .............................................................................................................................259
11 Data Center Bridging (DCB)...................................................................................................................... 261
Ethernet Enhancements in Data Center Bridging...................................................................................................... 261
Priority-Based Flow Control................................................................................................................................... 262
Enhanced Transmission Selection..........................................................................................................................263
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................264
Data Center Bridging in a Trac Flow.................................................................................................................. 265
Enabling Data Center Bridging.....................................................................................................................................265
DCB Maps and its Attributes..................................................................................................................................266
Data Center Bridging: Default Conguration..............................................................................................................267
Conguring Priority-Based Flow Control.................................................................................................................... 267
Conguring Lossless Queues................................................................................................................................. 268
Conguring PFC in a DCB Map................................................................................................................................... 270
PFC Conguration Notes........................................................................................................................................270
PFC Prerequisites and Restrictions........................................................................................................................271
Applying a DCB Map on a Port..................................................................................................................................... 271
Conguring PFC without a DCB Map.........................................................................................................................272
Conguring Lossless QueuesExample:..................................................................................................................272
Conguring PFC Asymmetric.......................................................................................................................................273
8
Contents
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................274
Pause and Resume of Trac.................................................................................................................................. 274
Buer Sizes for Lossless or PFC Packets.............................................................................................................274
Behavior of Tagged Packets.........................................................................................................................................275
Conguration Example for DSCP and PFC Priorities................................................................................................275
SNMP Support for PFC and Buer Statistics Tracking............................................................................................276
Performing PFC Using DSCP Bits Instead of 802.1p Bits......................................................................................... 277
PFC and ETS Conguration Examples........................................................................................................................278
Using PFC to Manage Converged Ethernet Trac...................................................................................................278
Operations on Untagged Packets................................................................................................................................ 278
Generation of PFC for a Priority for Untagged Packets........................................................................................... 279
Congure Enhanced Transmission Selection..............................................................................................................279
ETS Prerequisites and Restrictions........................................................................................................................279
Creating an ETS Priority Group..............................................................................................................................279
ETS Operation with DCBx......................................................................................................................................280
Conguring Bandwidth Allocation for DCBx CIN................................................................................................. 281
Conguring ETS in a DCB Map..............................................................................................................................282
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 283
Using ETS to Manage Converged Ethernet Trac...................................................................................................283
Applying DCB Policies in a Switch Stack.................................................................................................................... 284
Congure a DCBx Operation........................................................................................................................................284
DCBx Operation....................................................................................................................................................... 284
DCBx Port Roles...................................................................................................................................................... 284
DCB Conguration Exchange................................................................................................................................ 286
Conguration Source Election................................................................................................................................286
Propagation of DCB Information............................................................................................................................287
Auto-Detection and Manual Conguration of the DCBx Version.......................................................................287
DCBx Example..........................................................................................................................................................287
DCBx Prerequisites and Restrictions.....................................................................................................................288
Conguring DCBx....................................................................................................................................................288
Verifying the DCB Conguration................................................................................................................................. 292
QoS dot1p Trac Classication and Queue Assignment..........................................................................................300
Conguring the Dynamic Buer Method.................................................................................................................... 301
Sample DCB Conguration...........................................................................................................................................302
PFC and ETS Conguration Command Examples...............................................................................................303
12 Dynamic Host Conguration Protocol (DHCP).........................................................................................304
DHCP Packet Format and Options............................................................................................................................. 304
Assign an IP Address using DHCP...............................................................................................................................306
Implementation Information..........................................................................................................................................307
Congure the System to be a DHCP Server..............................................................................................................307
Conguring the Server for Automatic Address Allocation..................................................................................308
Specifying a Default Gateway................................................................................................................................309
Congure a Method of Hostname Resolution...................................................................................................... 310
Using DNS for Address Resolution.........................................................................................................................310
Using NetBIOS WINS for Address Resolution...................................................................................................... 310
Contents
9
Creating Manual Binding Entries............................................................................................................................ 310
Debugging the DHCP Server...................................................................................................................................311
Using DHCP Clear Commands................................................................................................................................ 311
Congure the System to be a DHCP Client.................................................................................................................311
Conguring the DHCP Client System....................................................................................................................312
DHCP Client on a Management Interface.............................................................................................................313
DHCP Client Operation with Other Features........................................................................................................314
DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................315
Conguring Route Leaking between VRFs on DHCP Relay Agent....................................................................315
Non-default VRF conguration for DHCPv6 helper address....................................................................................316
Conguring DHCP relay source interface....................................................................................................................316
Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................316
Interface level DHCP relay source IPv4 or IPv6 conguration ...........................................................................317
Congure the System for User Port Stacking (Option 230).................................................................................... 318
Congure Secure DHCP................................................................................................................................................318
Option 82...................................................................................................................................................................319
DHCPv6 relay agent options..................................................................................................................................320
DHCP Snooping.......................................................................................................................................................320
Drop DHCP Packets on Snooped VLANs Only....................................................................................................324
Dynamic ARP Inspection.........................................................................................................................................325
Conguring Dynamic ARP Inspection................................................................................................................... 325
Source Address Validation.............................................................................................................................................327
Enabling IP Source Address Validation.................................................................................................................. 327
DHCP MAC Source Address Validation................................................................................................................ 328
Enabling IP+MAC Source Address Validation.......................................................................................................328
Viewing the Number of SAV Dropped Packets....................................................................................................329
Clearing the Number of SAV Dropped Packets................................................................................................... 329
13 Equal Cost Multi-Path (ECMP)................................................................................................................ 330
ECMP for Flow-Based Anity.....................................................................................................................................330
Conguring the Hash Algorithm............................................................................................................................ 330
Enabling Deterministic ECMP Next Hop.............................................................................................................. 330
Conguring the Hash Algorithm Seed................................................................................................................... 331
Link Bundle Monitoring.................................................................................................................................................. 331
Managing ECMP Group Paths...............................................................................................................................332
Creating an ECMP Group Bundle.......................................................................................................................... 332
Modifying the ECMP Group Threshold.................................................................................................................332
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................333
Support for ECMP in host table............................................................................................................................ 334
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 334
14 FIP Snooping............................................................................................................................................335
Fibre Channel over Ethernet........................................................................................................................................ 335
Ensure Robustness in a Converged Ethernet Network............................................................................................335
FIP Snooping on Ethernet Bridges.............................................................................................................................. 337
Using FIP Snooping....................................................................................................................................................... 339
10
Contents
FIP Snooping Prerequisites.....................................................................................................................................339
Important Points to Remember............................................................................................................................. 339
Enabling the FCoE Transit Feature........................................................................................................................340
Enable FIP Snooping on VLANs.............................................................................................................................340
Congure the FC-MAP Value................................................................................................................................. 341
Congure a Port for a Bridge-to-Bridge Link........................................................................................................341
Congure a Port for a Bridge-to-FCF Link............................................................................................................341
Impact on Other Software Features...................................................................................................................... 341
FIP Snooping Restrictions...................................................................................................................................... 342
Conguring FIP Snooping.......................................................................................................................................342
Displaying FIP Snooping Information...........................................................................................................................343
FCoE Transit Conguration Example...........................................................................................................................348
15 Flex Hash and Optimized Boot-Up........................................................................................................... 350
Flex Hash Capability Overview.................................................................................................................................... 350
Conguring the Flex Hash Mechanism.......................................................................................................................350
Conguring Fast Boot and LACP Fast Switchover....................................................................................................351
Optimizing the Boot Time..............................................................................................................................................351
Booting Process When Optimized Boot Time Mechanism is Enabled...............................................................351
Guidelines for Conguring Optimized Booting Mechanism................................................................................352
Interoperation of Applications with Fast Boot and System States..........................................................................353
LACP and IPv4 Routing.......................................................................................................................................... 353
LACP and IPv6 Routing..........................................................................................................................................353
BGP Graceful Restart............................................................................................................................................. 354
Cold Boot Caused by Power Cycling the System................................................................................................354
Unexpected Reload of the System........................................................................................................................354
Software Upgrade................................................................................................................................................... 354
LACP Fast Switchover............................................................................................................................................354
Changes to BGP Multipath.................................................................................................................................... 355
Delayed Installation of ECMP Routes Into BGP...................................................................................................355
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 355
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................356
16 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 357
Protocol Overview......................................................................................................................................................... 357
Ring Status............................................................................................................................................................... 358
Multiple FRRP Rings............................................................................................................................................... 358
Important FRRP Points...........................................................................................................................................359
Important FRRP Concepts.....................................................................................................................................360
Implementing FRRP....................................................................................................................................................... 361
FRRP Conguration....................................................................................................................................................... 361
Creating the FRRP Group....................................................................................................................................... 361
Conguring the Control VLAN................................................................................................................................361
Conguring and Adding the Member VLANs.......................................................................................................363
Setting the FRRP Timers........................................................................................................................................364
Clearing the FRRP Counters..................................................................................................................................364
Contents
11
Viewing the FRRP Conguration...........................................................................................................................364
Viewing the FRRP Information...............................................................................................................................364
Troubleshooting FRRP.................................................................................................................................................. 365
Conguration Checks..............................................................................................................................................365
Sample Conguration and Topology............................................................................................................................365
FRRP Support on VLT...................................................................................................................................................366
Example Scenario.....................................................................................................................................................367
Important Points to Remember............................................................................................................................. 368
17 GARP VLAN Registration Protocol (GVRP)..............................................................................................369
Important Points to Remember................................................................................................................................... 369
Congure GVRP.............................................................................................................................................................370
Related Conguration Tasks................................................................................................................................... 370
Enabling GVRP Globally................................................................................................................................................. 371
Enabling GVRP on a Layer 2 Interface.........................................................................................................................371
Congure GVRP Registration....................................................................................................................................... 371
Congure a GARP Timer...............................................................................................................................................372
18 Internet Group Management Protocol (IGMP)..........................................................................................373
IGMP Implementation Information...............................................................................................................................373
IGMP Protocol Overview.............................................................................................................................................. 373
IGMP Version 2........................................................................................................................................................ 373
IGMP Version 3........................................................................................................................................................ 375
Congure IGMP............................................................................................................................................................. 378
Related Conguration Tasks................................................................................................................................... 378
Viewing IGMP Enabled Interfaces............................................................................................................................... 379
Selecting an IGMP Version........................................................................................................................................... 379
Viewing IGMP Groups...................................................................................................................................................380
Adjusting Timers............................................................................................................................................................ 380
Adjusting Query and Response Timers................................................................................................................. 380
Enabling IGMP Immediate-Leave................................................................................................................................. 381
IGMP Snooping..............................................................................................................................................................382
IGMP Snooping Implementation Information....................................................................................................... 382
Conguring IGMP Snooping...................................................................................................................................382
Removing a Group-Port Association.....................................................................................................................383
Disabling Multicast Flooding...................................................................................................................................383
Specifying a Port as Connected to a Multicast Router...................................................................................... 383
Conguring the Switch as Querier........................................................................................................................ 384
Fast Convergence after MSTP Topology Changes...................................................................................................384
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................384
Protocol Separation.................................................................................................................................................385
Enabling and Disabling Management Egress Interface Selection...................................................................... 386
Handling of Management Route Conguration....................................................................................................387
Handling of Switch-Initiated Trac........................................................................................................................387
Handling of Switch-Destined Trac......................................................................................................................388
Handling of Transit Trac (Trac Separation).................................................................................................... 389
12
Contents
Mapping of Management Applications and Trac Type.....................................................................................389
Behavior of Various Applications for Switch-Initiated Trac ............................................................................390
Behavior of Various Applications for Switch-Destined Trac ........................................................................... 391
Interworking of EIS With Various Applications......................................................................................................391
Designating a Multicast Router Interface................................................................................................................... 392
19 Interfaces................................................................................................................................................. 393
Basic Interface Conguration.......................................................................................................................................393
Advanced Interface Conguration...............................................................................................................................393
Interface Types...............................................................................................................................................................394
View Basic Interface Information.................................................................................................................................394
Resetting an Interface to its Factory Default State...................................................................................................396
Enabling a Physical Interface........................................................................................................................................397
Physical Interfaces.........................................................................................................................................................397
Conguration Task List for Physical Interfaces.................................................................................................... 397
40G to 1G Breakout Cable Adaptor....................................................................................................................... 397
Overview of Layer Modes...................................................................................................................................... 398
Conguring Layer 2 (Data Link) Mode..................................................................................................................399
Conguring Layer 2 (Interface) Mode.................................................................................................................. 399
Conguring Layer 3 (Network) Mode...................................................................................................................399
Conguring Layer 3 (Interface) Mode.................................................................................................................. 400
Automatic recovery of an Err-disabled interface........................................................................................................401
Conguring an automatic recovery for an Err-disabled interface...................................................................... 401
Egress Interface Selection (EIS)..................................................................................................................................402
Important Points to Remember............................................................................................................................. 402
Conguring EIS........................................................................................................................................................ 402
Management Interfaces................................................................................................................................................403
Conguring Management Interfaces.....................................................................................................................403
Conguring a Management Interface on an Ethernet Port............................................................................... 404
VLAN Interfaces............................................................................................................................................................ 405
Loopback Interfaces......................................................................................................................................................406
Null Interfaces................................................................................................................................................................ 406
Port Channel Interfaces................................................................................................................................................406
Port Channel Denition and Standards.................................................................................................................407
Port Channel Benets............................................................................................................................................. 407
Port Channel Implementation.................................................................................................................................407
Interfaces in Port Channels.................................................................................................................................... 408
Conguration Tasks for Port Channel Interfaces.................................................................................................408
Creating a Port Channel......................................................................................................................................... 408
Adding a Physical Interface to a Port Channel.....................................................................................................409
Reassigning an Interface to a New Port Channel.................................................................................................410
Conguring the Minimum Oper Up Links in a Port Channel................................................................................411
Adding or Removing a Port Channel from a VLAN...............................................................................................411
Assigning an IP Address to a Port Channel........................................................................................................... 412
Deleting or Disabling a Port Channel......................................................................................................................413
Load Balancing Through Port Channels................................................................................................................ 413
Contents
13
Changing the Hash Algorithm.................................................................................................................................413
Bulk Conguration.......................................................................................................................................................... 414
Interface Range........................................................................................................................................................ 414
Bulk Conguration Examples.................................................................................................................................. 415
Dening Interface Range Macros.................................................................................................................................416
Dene the Interface Range..................................................................................................................................... 417
Choosing an Interface-Range Macro..................................................................................................................... 417
Monitoring and Maintaining Interfaces........................................................................................................................ 417
Maintenance Using TDR..........................................................................................................................................418
Non Dell-Qualied Transceivers....................................................................................................................................419
Splitting 40G Ports without Reload............................................................................................................................. 419
Splitting QSFP Ports to SFP+ Ports............................................................................................................................ 421
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................422
Important Points to Remember..............................................................................................................................422
Example Scenarios...................................................................................................................................................423
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................424
Link Dampening..............................................................................................................................................................424
Important Points to Remember............................................................................................................................. 425
Conguration Example of Link Dampening...........................................................................................................425
Enabling Link Dampening........................................................................................................................................ 427
Link Bundle Monitoring................................................................................................................................................. 428
Using Ethernet Pause Frames for Flow Control........................................................................................................ 429
Enabling Pause Frames........................................................................................................................................... 429
Congure the MTU Size on an Interface....................................................................................................................430
Port-Pipes........................................................................................................................................................................431
Auto-Negotiation on Ethernet Interfaces....................................................................................................................431
Setting the Speed of Ethernet Interfaces.............................................................................................................431
Set Auto-Negotiation Options................................................................................................................................432
View Advanced Interface Information.........................................................................................................................433
Conguring the Interface Sampling Size.............................................................................................................. 434
Dynamic Counters......................................................................................................................................................... 435
Clearing Interface Counters................................................................................................................................... 435
Compressing Conguration Files................................................................................................................................. 436
20 IPv4 Routing............................................................................................................................................439
IP Addresses...................................................................................................................................................................440
Implementation Information....................................................................................................................................440
Conguration Tasks for IP Addresses..........................................................................................................................440
Assigning IP Addresses to an Interface.......................................................................................................................440
Conguring Static Routes............................................................................................................................................. 441
Adding description for IPv4 and IPv6 static routes.............................................................................................442
Congure Static Routes for the Management Interface.......................................................................................... 443
Using the Congured Source IP Address in ICMP Messages..................................................................................443
Conguring the ICMP Source Interface............................................................................................................... 443
Conguring the Duration to Establish a TCP Connection........................................................................................ 444
Enabling Directed Broadcast........................................................................................................................................ 444
14
Contents
Resolution of Host Names............................................................................................................................................445
Enabling Dynamic Resolution of Host Names............................................................................................................445
Specifying the Local System Domain and a List of Domains................................................................................... 445
Conguring DNS with Traceroute................................................................................................................................446
ARP..................................................................................................................................................................................447
Conguration Tasks for ARP........................................................................................................................................ 447
Conguring Static ARP Entries....................................................................................................................................447
Enabling Proxy ARP.......................................................................................................................................................448
Clearing ARP Cache......................................................................................................................................................448
ARP Learning via Gratuitous ARP................................................................................................................................448
Enabling ARP Learning via Gratuitous ARP................................................................................................................448
ARP Learning via ARP Request................................................................................................................................... 449
Conguring ARP Retries...............................................................................................................................................449
ICMP............................................................................................................................................................................... 450
Conguration Tasks for ICMP......................................................................................................................................450
Enabling ICMP Unreachable Messages...................................................................................................................... 450
ICMP Redirects..............................................................................................................................................................450
UDP Helper.....................................................................................................................................................................452
Congure UDP Helper.............................................................................................................................................452
Important Points to Remember............................................................................................................................. 452
Enabling UDP Helper.....................................................................................................................................................452
Congurations Using UDP Helper............................................................................................................................... 452
UDP Helper with Broadcast-All Addresses.................................................................................................................453
UDP Helper with Subnet Broadcast Addresses.........................................................................................................453
UDP Helper with Congured Broadcast Addresses..................................................................................................454
UDP Helper with No Congured Broadcast Addresses............................................................................................454
Troubleshooting UDP Helper........................................................................................................................................455
21 IPv6 Routing............................................................................................................................................ 456
Protocol Overview.........................................................................................................................................................456
Extended Address Space........................................................................................................................................457
Stateless Autoconguration....................................................................................................................................457
IPv6 Headers............................................................................................................................................................457
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 458
IPv6 Header Fields...................................................................................................................................................459
Extension Header Fields.......................................................................................................................................... 461
Addressing................................................................................................................................................................ 462
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 463
ICMPv6...........................................................................................................................................................................464
Path MTU discovery..................................................................................................................................................... 465
IPv6 Neighbor Discovery..............................................................................................................................................465
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................466
Conguring the IPv6 Recursive DNS Server....................................................................................................... 466
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 467
Displaying IPv6 RDNSS Information......................................................................................................................467
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 468
Contents
15
Conguration Tasks for IPv6........................................................................................................................................ 468
Adjusting Your CAM-Prole....................................................................................................................................468
Assigning an IPv6 Address to an Interface...........................................................................................................469
Assigning a Static IPv6 Route................................................................................................................................ 470
Conguring Telnet with IPv6.................................................................................................................................. 470
SNMP over IPv6.......................................................................................................................................................471
Displaying IPv6 Information.....................................................................................................................................471
Displaying an IPv6 Interface Information............................................................................................................... 471
Showing IPv6 Routes.............................................................................................................................................. 472
Showing the Running-Conguration for an Interface......................................................................................... 473
Clearing IPv6 Routes............................................................................................................................................... 474
Disabling ND Entry Timeout....................................................................................................................................474
Conguring IPv6 RA Guard...........................................................................................................................................474
Conguring IPv6 RA Guard on an Interface......................................................................................................... 476
Monitoring IPv6 RA Guard......................................................................................................................................477
22 iSCSI Optimization...................................................................................................................................478
iSCSI Optimization Overview....................................................................................................................................... 478
Monitoring iSCSI Trac Flows...............................................................................................................................480
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 480
Information Monitored in iSCSI Trac Flows.......................................................................................................480
Detection and Auto-Conguration for Dell EqualLogic Arrays............................................................................481
Conguring Detection and Ports for Dell Compellent Arrays..............................................................................481
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................482
Enable and Disable iSCSI Optimization................................................................................................................. 482
Default iSCSI Optimization Values...............................................................................................................................483
iSCSI Optimization Prerequisites................................................................................................................................. 483
Conguring iSCSI Optimization....................................................................................................................................483
Displaying iSCSI Optimization Information................................................................................................................. 485
23 Intermediate System to Intermediate System...........................................................................................487
IS-IS Protocol Overview................................................................................................................................................487
IS-IS Addressing............................................................................................................................................................. 487
Multi-Topology IS-IS...................................................................................................................................................... 488
Transition Mode....................................................................................................................................................... 488
Interface Support.....................................................................................................................................................489
Adjacencies...............................................................................................................................................................489
Graceful Restart.............................................................................................................................................................489
Timers....................................................................................................................................................................... 489
Implementation Information..........................................................................................................................................489
Conguration Information.............................................................................................................................................490
Conguration Tasks for IS-IS.................................................................................................................................. 491
Conguring the Distance of a Route.....................................................................................................................498
Changing the IS-Type.............................................................................................................................................. 499
Redistributing IPv4 Routes..................................................................................................................................... 501
Redistributing IPv6 Routes.....................................................................................................................................502
16
Contents
Conguring Authentication Passwords.................................................................................................................503
Setting the Overload Bit.........................................................................................................................................503
Debugging IS-IS.......................................................................................................................................................504
IS-IS Metric Styles........................................................................................................................................................ 505
Congure Metric Values............................................................................................................................................... 505
Maximum Values in the Routing Table.................................................................................................................. 505
Change the IS-IS Metric Style in One Level Only................................................................................................505
Leaks from One Level to Another..........................................................................................................................507
Sample Congurations..................................................................................................................................................508
24 Link Aggregation Control Protocol (LACP)............................................................................................... 510
Introduction to Dynamic LAGs and LACP................................................................................................................... 510
Important Points to Remember.............................................................................................................................. 510
LACP Modes..............................................................................................................................................................511
Conguring LACP Commands.................................................................................................................................511
LACP Conguration Tasks.............................................................................................................................................512
Creating a LAG..........................................................................................................................................................512
Conguring the LAG Interfaces as Dynamic.........................................................................................................512
Setting the LACP Long Timeout............................................................................................................................ 513
Monitoring and Debugging LACP...........................................................................................................................513
Shared LAG State Tracking........................................................................................................................................... 514
Conguring Shared LAG State Tracking................................................................................................................514
Important Points about Shared LAG State Tracking............................................................................................516
LACP Basic Conguration Example............................................................................................................................. 516
Congure a LAG on ALPHA....................................................................................................................................516
25 Layer 2.................................................................................................................................................... 525
Manage the MAC Address Table................................................................................................................................. 525
Clearing the MAC Address Table........................................................................................................................... 525
Setting the Aging Time for Dynamic Entries........................................................................................................525
Conguring a Static MAC Address........................................................................................................................526
Displaying the MAC Address Table........................................................................................................................ 526
MAC Learning Limit.......................................................................................................................................................526
Setting the MAC Learning Limit.............................................................................................................................527
mac learning-limit Dynamic.....................................................................................................................................527
mac learning-limit mac-address-sticky..................................................................................................................527
mac learning-limit station-move............................................................................................................................ 528
mac learning-limit no-station-move.......................................................................................................................528
Learning Limit Violation Actions.............................................................................................................................528
Setting Station Move Violation Actions................................................................................................................ 529
Recovering from Learning Limit and Station Move Violations........................................................................... 529
Disabling MAC Address Learning on the System................................................................................................ 530
Enabling port security............................................................................................................................................. 530
NIC Teaming...................................................................................................................................................................530
Congure Redundant Pairs........................................................................................................................................... 531
Important Points about Conguring Redundant Pairs........................................................................................ 533
Contents
17
Far-End Failure Detection.............................................................................................................................................534
FEFD State Changes...............................................................................................................................................535
Conguring FEFD.................................................................................................................................................... 536
Enabling FEFD on an Interface...............................................................................................................................537
Debugging FEFD......................................................................................................................................................538
26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 539
802.1AB (LLDP) Overview............................................................................................................................................539
Protocol Data Units................................................................................................................................................. 539
Optional TLVs.................................................................................................................................................................540
Management TLVs.................................................................................................................................................. 540
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 542
TIA Organizationally Specic TLVs........................................................................................................................ 542
Congure LLDP............................................................................................................................................................. 546
Related Conguration Tasks...................................................................................................................................546
Important Points to Remember............................................................................................................................. 546
LLDP Compatibility.................................................................................................................................................. 547
CONFIGURATION versus INTERFACE Congurations............................................................................................ 547
Enabling LLDP................................................................................................................................................................547
Disabling and Undoing LLDP.................................................................................................................................. 548
Enabling LLDP on Management Ports........................................................................................................................548
Disabling and Undoing LLDP on Management Ports..........................................................................................548
Advertising TLVs............................................................................................................................................................ 548
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................550
Reserved Unrecognized LLDP TLVs..................................................................................................................... 550
Organizational Specic Unrecognized LLDP TLVs..............................................................................................550
Viewing Unrecognized LLDP TLVs........................................................................................................................550
Viewing the LLDP Conguration.................................................................................................................................. 551
Viewing Information Advertised by Adjacent LLDP Neighbors.................................................................................551
Examples of Viewing Information Advertised by Neighbors............................................................................... 551
Conguring LLDPDU Intervals.....................................................................................................................................553
Conguring LLDP Notication Interval....................................................................................................................... 554
Conguring Transmit and Receive Mode................................................................................................................... 554
Conguring the Time to Live Value............................................................................................................................. 555
Debugging LLDP............................................................................................................................................................555
Relevant Management Objects....................................................................................................................................557
27 Microsoft Network Load Balancing.......................................................................................................... 562
NLB Unicast Mode Scenario........................................................................................................................................562
NLB Multicast Mode Scenario.....................................................................................................................................562
Limitations of the NLB Feature....................................................................................................................................563
Microsoft Clustering......................................................................................................................................................563
Enable and Disable VLAN Flooding ............................................................................................................................ 563
Conguring a Switch for NLB .....................................................................................................................................563
Enabling a Switch for Multicast NLB.................................................................................................................... 564
18
Contents
28 Multicast Source Discovery Protocol (MSDP).........................................................................................565
Protocol Overview.........................................................................................................................................................565
Anycast RP.....................................................................................................................................................................566
Implementation Information..........................................................................................................................................567
Congure Multicast Source Discovery Protocol........................................................................................................ 567
Related Conguration Tasks................................................................................................................................... 567
Enable MSDP.................................................................................................................................................................. 571
Manage the Source-Active Cache.............................................................................................................................. 572
Viewing the Source-Active Cache.........................................................................................................................572
Limiting the Source-Active Cache.........................................................................................................................572
Clearing the Source-Active Cache........................................................................................................................ 573
Enabling the Rejected Source-Active Cache....................................................................................................... 573
Accept Source-Active Messages that Fail the RFP Check......................................................................................573
Specifying Source-Active Messages...........................................................................................................................576
Limiting the Source-Active Messages from a Peer................................................................................................... 577
Preventing MSDP from Caching a Local Source....................................................................................................... 577
Preventing MSDP from Caching a Remote Source...................................................................................................578
Preventing MSDP from Advertising a Local Source..................................................................................................578
Logging Changes in Peership States...........................................................................................................................579
Terminating a Peership..................................................................................................................................................579
Clearing Peer Statistics.................................................................................................................................................580
Debugging MSDP..........................................................................................................................................................580
MSDP with Anycast RP.................................................................................................................................................581
Conguring Anycast RP................................................................................................................................................582
Reducing Source-Active Message Flooding.........................................................................................................583
Specifying the RP Address Used in SA Messages.............................................................................................. 583
MSDP Sample Congurations..................................................................................................................................... 585
33 Multicast Listener Discovery Protocol..................................................................................................... 588
MLD Version 1................................................................................................................................................................ 588
MLD Querier Router......................................................................................................................................................588
Joining a Multicast Group.............................................................................................................................................589
Leaving a Multicast Group............................................................................................................................................589
MLD version 2................................................................................................................................................................589
MLD timers......................................................................................................................................................................591
Reducing Host Response Burstiness.................................................................................................................... 592
Conguring MLD Version..............................................................................................................................................592
Clearing MLD groups.....................................................................................................................................................592
Debugging MLD.............................................................................................................................................................592
Explicit Tracking............................................................................................................................................................. 592
Reducing Leave Latency...............................................................................................................................................593
Displaying MLD groups table........................................................................................................................................593
Displaying MLD Interfaces............................................................................................................................................593
30 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 594
Contents
19
Protocol Overview.........................................................................................................................................................594
Spanning Tree Variations.............................................................................................................................................. 595
Implementation Information................................................................................................................................... 595
Congure Multiple Spanning Tree Protocol................................................................................................................595
Related Conguration Tasks...................................................................................................................................596
Enable Multiple Spanning Tree Globally...................................................................................................................... 596
Adding and Removing Interfaces.................................................................................................................................596
Creating Multiple Spanning Tree Instances................................................................................................................ 597
Inuencing MSTP Root Selection................................................................................................................................598
Interoperate with Non-Dell Bridges.............................................................................................................................599
Changing the Region Name or Revision..................................................................................................................... 599
Modifying Global Parameters.......................................................................................................................................599
Modifying the Interface Parameters............................................................................................................................ 601
Setting STP path cost as constant............................................................................................................................. 602
Conguring an EdgePort.............................................................................................................................................. 602
Flush MAC Addresses after a Topology Change....................................................................................................... 603
MSTP Sample Congurations......................................................................................................................................603
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration
.......................................................................................603
Debugging and Verifying MSTP Congurations........................................................................................................ 607
31 Multicast Features.................................................................................................................................... 610
Enabling IP Multicast..................................................................................................................................................... 610
Implementation Information.......................................................................................................................................... 610
Multicast Policies.............................................................................................................................................................611
IPv4 Multicast Policies..............................................................................................................................................611
Understanding Multicast Traceroute (mtrace)........................................................................................................... 618
Important Points to Remember..............................................................................................................................619
Printing Multicast Traceroute (mtrace) Paths............................................................................................................ 619
Supported Error Codes.................................................................................................................................................620
mtrace Scenarios............................................................................................................................................................621
33 Multicast Listener Discovery Protocol......................................................................................................627
MLD Version 1.................................................................................................................................................................627
MLD Querier Router...................................................................................................................................................... 627
Joining a Multicast Group.............................................................................................................................................628
Leaving a Multicast Group............................................................................................................................................628
MLD version 2................................................................................................................................................................628
MLD timers.....................................................................................................................................................................630
Reducing Host Response Burstiness..................................................................................................................... 631
Clearing MLD groups..................................................................................................................................................... 631
Debugging MLD..............................................................................................................................................................631
Explicit Tracking..............................................................................................................................................................631
Reducing Leave Latency................................................................................................................................................631
Displaying MLD groups table........................................................................................................................................632
Displaying MLD Interfaces............................................................................................................................................632
20
Contents
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