Dell PowerSwitch S6100-ON Owner's manual

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Dell Conguration Guide for the S6100–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.................................................................................................................................. 46
Multiple Users in Conguration Mode...........................................................................................................................46
Conguring alias command.............................................................................................................................................47
Viewing alias conguration........................................................................................................................................47
3 Getting Started............................................................................................................................................49
Console Access................................................................................................................................................................50
Serial Console.............................................................................................................................................................50
Micro USB-B Access..................................................................................................................................................51
Default Conguration...................................................................................................................................................... 52
Conguring a Host Name............................................................................................................................................... 52
Accessing the System Remotely....................................................................................................................................52
Accessing the System Remotely..............................................................................................................................52
Congure the Management Port IP Address......................................................................................................... 52
Congure a Management Route..............................................................................................................................53
Conguring a Username and Password..................................................................................................................53
Conguring the Enable Password..................................................................................................................................54
Conguration File Management.....................................................................................................................................54
Copy Files to and from the System......................................................................................................................... 54
Mounting an NFS File System..................................................................................................................................55
Save the Running-Conguration..............................................................................................................................57
Congure the Overload Bit for a Startup Scenario................................................................................................57
Viewing Files............................................................................................................................................................... 57
Managing the File System.............................................................................................................................................. 58
View Command History.................................................................................................................................................. 59
Upgrading Dell EMC Networking OS............................................................................................................................. 61
Using HTTP for File Transfers.........................................................................................................................................61
Contents
3
Verify Software Images Before Installation....................................................................................................................61
4 Management................................................................................................................................................63
Conguring Privilege Levels............................................................................................................................................63
Creating a Custom Privilege Level...........................................................................................................................64
Removing a Command from EXEC Mode.............................................................................................................. 64
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................64
Allowing Access to CONFIGURATION Mode Commands....................................................................................64
Allowing Access to Dierent Modes........................................................................................................................64
Applying a Privilege Level to a Username............................................................................................................... 66
Applying a Privilege Level to a Terminal Line.......................................................................................................... 66
Conguring Logging........................................................................................................................................................ 66
Audit and Security Logs............................................................................................................................................ 67
Conguring Logging Format ...................................................................................................................................68
Setting Up a Secure Connection to a Syslog Server.............................................................................................68
Log Messages in the Internal Buer..............................................................................................................................70
Conguration Task List for System Log Management.......................................................................................... 70
Disabling System Logging............................................................................................................................................... 70
Sending System Messages to a Syslog Server............................................................................................................ 70
Conguring a UNIX System as a Syslog Server.....................................................................................................70
Track Login Activity.......................................................................................................................................................... 71
Restrictions for Tracking Login Activity................................................................................................................... 71
Conguring Login Activity Tracking..........................................................................................................................71
Display Login Statistics..............................................................................................................................................72
Limit Concurrent Login Sessions....................................................................................................................................73
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................73
Conguring Concurrent Session Limit.....................................................................................................................73
Enabling the System to Clear Existing Sessions.....................................................................................................74
Enabling Secured CLI Mode........................................................................................................................................... 75
Changing System Logging Settings...............................................................................................................................75
Display the Logging Buer and the Logging Conguration........................................................................................ 76
Conguring a UNIX Logging Facility Level....................................................................................................................76
Synchronizing Log Messages......................................................................................................................................... 77
Enabling Timestamp on Syslog Messages.................................................................................................................... 78
File Transfer Services...................................................................................................................................................... 80
Conguration Task List for File Transfer Services...................................................................................................81
Enabling the FTP Server............................................................................................................................................81
Conguring FTP Server Parameters........................................................................................................................ 81
Conguring FTP Client Parameters.........................................................................................................................82
Terminal Lines................................................................................................................................................................... 82
Denying and Permitting Access to a Terminal Line................................................................................................82
Conguring Login Authentication for Terminal Lines.............................................................................................83
Setting Timeout for EXEC Privilege Mode................................................................................................................... 84
Using Telnet to get to Another Network Device..........................................................................................................85
Lock CONFIGURATION Mode.......................................................................................................................................85
Viewing the Conguration Lock Status...................................................................................................................86
4
Contents
LPC Bus Quality Degradation.........................................................................................................................................86
LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................86
Restoring the Factory Default Settings.........................................................................................................................87
Important Points to Remember................................................................................................................................87
Restoring Factory Default Environment Variables..................................................................................................87
Reloading the system...................................................................................................................................................... 89
Viewing the Reason for Last System Reboot.............................................................................................................. 90
5 802.1X.......................................................................................................................................................... 91
Port-Authentication Process.......................................................................................................................................... 93
EAP over RADIUS......................................................................................................................................................93
Conguring 802.1X...........................................................................................................................................................94
Related Conguration Tasks..................................................................................................................................... 94
Important Points to Remember......................................................................................................................................94
Enabling 802.1X................................................................................................................................................................ 95
Conguring dot1x Prole ................................................................................................................................................96
Conguring MAC addresses for a do1x Prole............................................................................................................. 97
Conguring the Static MAB and MAB Prole ............................................................................................................. 97
Conguring Critical VLAN ..............................................................................................................................................98
Conguring Request Identity Re-Transmissions...........................................................................................................99
Conguring a Quiet Period after a Failed Authentication..................................................................................... 99
Conguring a Quiet Period after a Failed Authentication..........................................................................................100
Forcibly Authorizing or Unauthorizing a Port...............................................................................................................101
Re-Authenticating a Port...............................................................................................................................................102
Conguring Dynamic VLAN Assignment with Port Authentication......................................................................... 102
Guest and Authentication-Fail VLANs.........................................................................................................................103
Conguring a Guest VLAN......................................................................................................................................104
Conguring an Authentication-Fail VLAN............................................................................................................. 104
Conguring Timeouts.............................................................................................................................................. 105
Multi-Host Authentication.............................................................................................................................................106
Conguring Multi-Host AuthenticationConguring Single-Host Authentication..............................................107
Multi-Supplicant Authentication...................................................................................................................................109
Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication.............................109
MAC Authentication Bypass..........................................................................................................................................110
MAB in Single-host and Multi-Host Mode.............................................................................................................110
MAB in Multi-Supplicant Authentication Mode......................................................................................................111
Conguring MAC Authentication Bypass................................................................................................................111
Dynamic CoS with 802.1X.............................................................................................................................................. 112
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)................................... 114
Optimizing CAM Utilization During the Attachment of ACLs to VLANs.................................................................. 114
Guidelines for Conguring ACL VLAN Groups............................................................................................................ 115
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters............................................... 115
Conguring ACL VLAN Groups...............................................................................................................................115
Conguring FP Blocks for VLAN Parameters........................................................................................................116
Viewing CAM Usage....................................................................................................................................................... 117
Contents
5
Allocating FP Blocks for VLAN Processes................................................................................................................... 118
ACL Optimization to Increase Number of Supported IPv4 ACLs..............................................................................119
Restrictions for ACL Optimization.......................................................................................................................... 119
Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................119
7 Access Control Lists (ACLs)........................................................................................................................121
IP Access Control Lists (ACLs).....................................................................................................................................122
CAM Usage............................................................................................................................................................... 122
Implementing ACLs on Dell EMC Networking OS................................................................................................123
Congure ACL Range Proles................................................................................................................................ 125
Important Points to Remember.................................................................................................................................... 126
Conguration Task List for Route Maps................................................................................................................ 126
Conguring Match Routes...................................................................................................................................... 128
Conguring Set Conditions..................................................................................................................................... 129
Congure a Route Map for Route Redistribution.................................................................................................130
Congure a Route Map for Route Tagging............................................................................................................ 131
Continue Clause.........................................................................................................................................................131
IP Fragment Handling.................................................................................................................................................... 132
IP Fragments ACL Examples...................................................................................................................................132
Layer 4 ACL Rules Examples...................................................................................................................................132
Congure a Standard IP ACL........................................................................................................................................ 133
Conguring a Standard IP ACL Filter..................................................................................................................... 134
Congure an Extended IP ACL.....................................................................................................................................135
Conguring Filters with a Sequence Number.......................................................................................................135
Conguring Filters Without a Sequence Number.................................................................................................138
Congure Layer 2 and Layer 3 ACLs............................................................................................................................138
Assign an IP ACL to an Interface..................................................................................................................................139
Applying an IP ACL.........................................................................................................................................................139
Counting ACL Hits....................................................................................................................................................140
Congure Ingress ACLs................................................................................................................................................. 140
Congure Egress ACLs...................................................................................................................................................141
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 142
IP Prex Lists.................................................................................................................................................................. 142
Implementation Information.................................................................................................................................... 143
Conguration Task List for Prex Lists.................................................................................................................. 143
ACL Remarks.................................................................................................................................................................. 146
Conguring a Remark.............................................................................................................................................. 146
Deleting a Remark.....................................................................................................................................................147
ACL Resequencing......................................................................................................................................................... 148
Resequencing an ACL or Prex List.......................................................................................................................148
Route Maps.....................................................................................................................................................................149
Implementation Information.................................................................................................................................... 149
8 Bidirectional Forwarding Detection (BFD)................................................................................................... 151
How BFD Works.............................................................................................................................................................. 151
BFD Packet Format..................................................................................................................................................152
6
Contents
BFD Sessions............................................................................................................................................................ 153
BFD Three-Way Handshake.................................................................................................................................... 154
Session State Changes............................................................................................................................................156
Important Points to Remember....................................................................................................................................156
Congure BFD.................................................................................................................................................................157
Congure BFD for Physical Ports...........................................................................................................................157
Congure BFD for Static Routes............................................................................................................................160
Congure BFD for IPv6 Static Routes...................................................................................................................164
Congure BFD for OSPF.........................................................................................................................................166
Congure BFD for OSPFv3......................................................................................................................................171
Congure BFD for IS-IS........................................................................................................................................... 174
Congure BFD for BGP........................................................................................................................................... 176
Congure BFD for VRRP.........................................................................................................................................184
Conguring Protocol Liveness................................................................................................................................186
9 Border Gateway Protocol (BGP).................................................................................................................187
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 187
BGP Autonomous Systems..................................................................................................................................... 187
AS4 Number Representation.................................................................................................................................. 189
Four-Byte AS Numbers............................................................................................................................................ 191
BGP router ID............................................................................................................................................................ 191
Sessions and Peers................................................................................................................................................... 191
Establish a Session................................................................................................................................................... 192
BGP Attributes for selecting Best Path.................................................................................................................192
Multiprotocol BGP.................................................................................................................................................... 197
BGP global and address family conguration........................................................................................................198
Implement BGP with Dell EMC Networking OS..................................................................................................200
Conguration Information.......................................................................................................................................203
Basic BGP conguration tasks.....................................................................................................................................203
Prerequisite for conguring a BGP network.........................................................................................................203
Restrictions...............................................................................................................................................................204
Enabling BGP........................................................................................................................................................... 204
Enabling four-byte autonomous system numbers............................................................................................... 206
Changing a BGP router ID...................................................................................................................................... 207
Conguring AS4 Number Representations...........................................................................................................207
Conguring a BGP peer..........................................................................................................................................209
Example-Conguring BGP routing between peers.............................................................................................. 210
BGP peer group.........................................................................................................................................................211
Advanced BGP conguration tasks..............................................................................................................................217
Route-refresh and Soft-reconguration................................................................................................................218
Aggregating Routes.................................................................................................................................................220
Filtering BGP............................................................................................................................................................ 222
Conguring BGP Fast Fall-Over............................................................................................................................ 229
Conguring Passive Peering...................................................................................................................................230
Enabling Graceful Restart........................................................................................................................................231
Redistributing Routes..............................................................................................................................................232
Contents
7
Enabling Additional Paths........................................................................................................................................233
Conguring IP Community Lists............................................................................................................................ 234
Conguring an IP Extended Community List....................................................................................................... 235
Congure BGP attributes....................................................................................................................................... 236
Enabling Multipath...................................................................................................................................................240
Route Reectors.......................................................................................................................................................241
Enabling Route Flap Dampening............................................................................................................................ 242
Changing BGP keepalive and hold timers.............................................................................................................244
Setting the extended timer.................................................................................................................................... 245
Enabling or disabling BGP neighbors.....................................................................................................................246
Route Map Continue............................................................................................................................................... 247
Conguring BGP Confederations...........................................................................................................................247
Conguring a BGP VRF address family.................................................................................................................248
Maintaining Existing AS Numbers During an AS Migration................................................................................ 249
Allowing an AS Number to Appear in its Own AS Path...................................................................................... 250
Enabling MBGP Congurations.............................................................................................................................. 251
MBGP support for IPv6...........................................................................................................................................251
Conguring IPv6 MBGP between peers.............................................................................................................. 252
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 253
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 255
BGP Regular Expression Optimization.................................................................................................................. 257
Debugging BGP........................................................................................................................................................257
10 Content Addressable Memory (CAM)...................................................................................................... 260
CAM Allocation.............................................................................................................................................................. 260
Test CAM Usage............................................................................................................................................................262
View CAM-ACL Settings.............................................................................................................................................. 262
View CAM Usage...........................................................................................................................................................263
Conguring CAM Threshold and Silence Period........................................................................................................264
Setting CAM Threshold and Silence Period......................................................................................................... 264
CAM Optimization......................................................................................................................................................... 265
Troubleshoot CAM Proling..........................................................................................................................................265
QoS CAM Region Limitation...................................................................................................................................265
Syslog Error When the Table is Full....................................................................................................................... 266
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................266
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................266
Unied Forwarding Table (UFT) Modes..................................................................................................................... 266
Conguring UFT Modes......................................................................................................................................... 266
IPv6 CAM ACL Region.................................................................................................................................................. 267
Important Points to Remember..............................................................................................................................267
Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................268
Sharing CAM space between IPv4 QoS and IPv6 ACLs.................................................................................... 268
11 Control Plane Policing (CoPP).................................................................................................................. 270
Congure Control Plane Policing.................................................................................................................................. 271
Conguring CoPP for Protocols.............................................................................................................................272
8
Contents
Conguring CoPP for CPU Queues.......................................................................................................................274
Protocol to CPU Queue Mapping.......................................................................................................................... 275
Conguring Protocol to CPU Queue Mapping.....................................................................................................275
Displaying CoPP Conguration ............................................................................................................................. 276
12 Data Center Bridging (DCB)..................................................................................................................... 278
Ethernet Enhancements in Data Center Bridging......................................................................................................278
Priority-Based Flow Control................................................................................................................................... 279
Enhanced Transmission Selection..........................................................................................................................280
Data Center Bridging Exchange Protocol (DCBx)................................................................................................281
Data Center Bridging in a Trac Flow...................................................................................................................282
Enabling Data Center Bridging..................................................................................................................................... 282
DCB Maps and its Attributes..................................................................................................................................283
Data Center Bridging: Default Conguration..............................................................................................................283
Conguring Priority-Based Flow Control....................................................................................................................284
Conguring Lossless Queues................................................................................................................................. 285
Conguring PFC in a DCB Map................................................................................................................................... 286
PFC Conguration Notes........................................................................................................................................286
PFC Prerequisites and Restrictions....................................................................................................................... 287
Applying a DCB Map on a Port.....................................................................................................................................287
Conguring PFC without a DCB Map.........................................................................................................................288
Conguring PFC Asymmetric.......................................................................................................................................288
Priority-Based Flow Control Using Dynamic Buer Method....................................................................................289
Pause and Resume of Trac..................................................................................................................................289
Buer Sizes for Lossless or PFC Packets............................................................................................................ 289
Shared headroom for lossless or PFC packets.......................................................................................................... 290
Example Scenario.................................................................................................................................................... 290
Conguring Shared Head Room Buer................................................................................................................ 292
Viewing Shared Head Room Usage.......................................................................................................................292
Monitoring Buer Statistics for Tracking Purposes............................................................................................ 292
Behavior of Tagged Packets.........................................................................................................................................293
SNMP Support for PFC and Buer Statistics Tracking............................................................................................293
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................294
Conguration Example for DSCP and PFC Priorities................................................................................................295
Using PFC to Manage Converged Ethernet Trac.................................................................................................. 295
Generation of PFC for a Priority for Untagged Packets...........................................................................................295
Congure Enhanced Transmission Selection............................................................................................................. 295
Creating an ETS Priority Group............................................................................................................................. 296
ETS Operation with DCBx...................................................................................................................................... 297
Conguring ETS in a DCB Map..............................................................................................................................297
Hierarchical Scheduling in ETS Output Policies.........................................................................................................298
Using ETS to Manage Converged Ethernet Trac...................................................................................................299
Applying DCB Policies in a Switch Stack.................................................................................................................... 299
Congure a DCBx Operation........................................................................................................................................299
DCBx Operation.......................................................................................................................................................300
DCBx Port Roles......................................................................................................................................................300
Contents
9
DCB Conguration Exchange................................................................................................................................. 301
Conguration Source Election................................................................................................................................302
Propagation of DCB Information............................................................................................................................302
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 302
DCBx Example......................................................................................................................................................... 303
DCBx Prerequisites and Restrictions.....................................................................................................................303
Conguring DCBx....................................................................................................................................................304
Verifying the DCB Conguration..................................................................................................................................307
QoS dot1p Trac Classication and Queue Assignment...........................................................................................314
Conguring the Dynamic Buer Method.................................................................................................................... 315
Sample DCB Conguration............................................................................................................................................316
PFC and ETS Conguration Command Examples............................................................................................... 318
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................319
DHCP Packet Format and Options.............................................................................................................................. 319
Assign an IP Address using DHCP................................................................................................................................321
Implementation Information..........................................................................................................................................322
Congure the System to be a DHCP Server..............................................................................................................322
Conguring the Server for Automatic Address Allocation..................................................................................323
Specifying a Default Gateway................................................................................................................................ 324
Congure a Method of Hostname Resolution..................................................................................................... 325
Using DNS for Address Resolution........................................................................................................................325
Using NetBIOS WINS for Address Resolution..................................................................................................... 325
Creating Manual Binding Entries............................................................................................................................325
Debugging the DHCP Server................................................................................................................................. 326
Using DHCP Clear Commands...............................................................................................................................326
Congure the System to be a DHCP Client............................................................................................................... 326
Conguring the DHCP Client System................................................................................................................... 327
DHCP Client on a Management Interface............................................................................................................ 328
DHCP Client Operation with Other Features.......................................................................................................329
DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 330
Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 330
Non-default VRF conguration for DHCPv6 helper address....................................................................................331
Conguring DHCP relay source interface....................................................................................................................331
Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................331
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................332
Congure the System for User Port Stacking (Option 230)....................................................................................333
Congure Secure DHCP............................................................................................................................................... 333
Option 82..................................................................................................................................................................334
DHCPv6 relay agent options..................................................................................................................................335
DHCP Snooping.......................................................................................................................................................335
Drop DHCP Packets on Snooped VLANs Only....................................................................................................340
Dynamic ARP Inspection........................................................................................................................................ 340
Conguring Dynamic ARP Inspection....................................................................................................................341
Source Address Validation............................................................................................................................................ 342
Enabling IP Source Address Validation.................................................................................................................. 342
10
Contents
DHCP MAC Source Address Validation................................................................................................................ 343
Enabling IP+MAC Source Address Validation.......................................................................................................343
Viewing the Number of SAV Dropped Packets....................................................................................................344
Clearing the Number of SAV Dropped Packets................................................................................................... 344
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 345
ECMP for Flow-Based Anity.....................................................................................................................................345
Conguring the Hash Algorithm Seed.................................................................................................................. 345
Link Bundle Monitoring................................................................................................................................................. 345
Managing ECMP Group Paths...............................................................................................................................346
Creating an ECMP Group Bundle..........................................................................................................................346
Modifying the ECMP Group Threshold.................................................................................................................347
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table...................................... 347
Support for ECMP in host table............................................................................................................................ 348
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 348
RTAG7.......................................................................................................................................................................348
Flow-based Hashing for ECMP............................................................................................................................. 349
15 FIP Snooping............................................................................................................................................353
Fibre Channel over Ethernet........................................................................................................................................ 353
Ensure Robustness in a Converged Ethernet Network............................................................................................353
FIP Snooping on Ethernet Bridges..............................................................................................................................355
Using FIP Snooping....................................................................................................................................................... 357
FIP Snooping Prerequisites.....................................................................................................................................357
Important Points to Remember..............................................................................................................................357
Enabling the FCoE Transit Feature........................................................................................................................358
Enable FIP Snooping on VLANs.............................................................................................................................359
Congure the FC-MAP Value................................................................................................................................ 359
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................359
Congure a Port for a Bridge-to-FCF Link...........................................................................................................359
Impact on Other Software Features..................................................................................................................... 360
FIP Snooping Restrictions...................................................................................................................................... 360
Conguring FIP Snooping.......................................................................................................................................360
Displaying FIP Snooping Information............................................................................................................................361
FCoE Transit Conguration Example.......................................................................................................................... 366
16 Flex Hash and Optimized Boot-Up............................................................................................................368
Flex Hash Capability Overview.................................................................................................................................... 368
Conguring the Flex Hash Mechanism.......................................................................................................................368
Conguring Fast Boot and LACP Fast Switchover...................................................................................................369
Optimizing the Boot Time.............................................................................................................................................369
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................369
Guidelines for Conguring Optimized Booting Mechanism................................................................................ 370
Interoperation of Applications with Fast Boot and System States...........................................................................371
LACP and IPv4 Routing........................................................................................................................................... 371
LACP and IPv6 Routing........................................................................................................................................... 371
Contents
11
BGP Graceful Restart..............................................................................................................................................372
Cold Boot Caused by Power Cycling the System................................................................................................372
Unexpected Reload of the System........................................................................................................................372
Software Upgrade....................................................................................................................................................372
LACP Fast Switchover............................................................................................................................................372
Changes to BGP Multipath.....................................................................................................................................373
Delayed Installation of ECMP Routes Into BGP...................................................................................................373
RDMA Over Converged Ethernet (RoCE) Overview................................................................................................373
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.......................................................................................374
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 375
Protocol Overview......................................................................................................................................................... 375
Ring Status............................................................................................................................................................... 376
Multiple FRRP Rings................................................................................................................................................376
Important FRRP Points........................................................................................................................................... 377
Important FRRP Concepts..................................................................................................................................... 378
Implementing FRRP.......................................................................................................................................................379
FRRP Conguration.......................................................................................................................................................379
Creating the FRRP Group.......................................................................................................................................379
Conguring the Control VLAN............................................................................................................................... 379
Conguring and Adding the Member VLANs....................................................................................................... 381
Setting the FRRP Timers........................................................................................................................................382
Clearing the FRRP Counters..................................................................................................................................382
Viewing the FRRP Conguration...........................................................................................................................382
Viewing the FRRP Information...............................................................................................................................382
Troubleshooting FRRP.................................................................................................................................................. 383
Conguration Checks..............................................................................................................................................383
Sample Conguration and Topology............................................................................................................................383
FRRP Support on VLT...................................................................................................................................................384
Example Scenario.................................................................................................................................................... 385
Important Points to Remember............................................................................................................................. 386
18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 387
Important Points to Remember....................................................................................................................................387
Congure GVRP............................................................................................................................................................ 388
Related Conguration Tasks...................................................................................................................................388
Enabling GVRP Globally................................................................................................................................................ 389
Enabling GVRP on a Layer 2 Interface........................................................................................................................389
Congure GVRP Registration...................................................................................................................................... 389
Congure a GARP Timer.............................................................................................................................................. 390
19 Internet Group Management Protocol (IGMP)..........................................................................................391
IGMP Implementation Information............................................................................................................................... 391
IGMP Protocol Overview...............................................................................................................................................391
IGMP Version 2.........................................................................................................................................................391
IGMP Version 3........................................................................................................................................................ 393
12
Contents
Congure IGMP............................................................................................................................................................. 396
Related Conguration Tasks...................................................................................................................................396
Viewing IGMP Enabled Interfaces............................................................................................................................... 397
Selecting an IGMP Version........................................................................................................................................... 397
Viewing IGMP Groups...................................................................................................................................................398
Adjusting Timers............................................................................................................................................................ 398
Adjusting Query and Response Timers................................................................................................................. 398
Enabling IGMP Immediate-Leave................................................................................................................................ 399
IGMP Snooping..............................................................................................................................................................400
IGMP Snooping Implementation Information.......................................................................................................400
Conguring IGMP Snooping.................................................................................................................................. 400
Removing a Group-Port Association......................................................................................................................401
Disabling Multicast Flooding....................................................................................................................................401
Specifying a Port as Connected to a Multicast Router....................................................................................... 401
Conguring the Switch as Querier........................................................................................................................ 402
Fast Convergence after MSTP Topology Changes...................................................................................................402
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................402
Protocol Separation.................................................................................................................................................403
Enabling and Disabling Management Egress Interface Selection...................................................................... 404
Handling of Management Route Conguration...................................................................................................405
Handling of Switch-Initiated Trac.......................................................................................................................405
Handling of Switch-Destined Trac..................................................................................................................... 406
Handling of Transit Trac (Trac Separation).....................................................................................................407
Mapping of Management Applications and Trac Type.....................................................................................407
Behavior of Various Applications for Switch-Initiated Trac ............................................................................408
Behavior of Various Applications for Switch-Destined Trac .......................................................................... 409
Interworking of EIS With Various Applications.....................................................................................................409
Designating a Multicast Router Interface....................................................................................................................410
20 Interfaces..................................................................................................................................................411
Basic Interface Conguration........................................................................................................................................ 411
Advanced Interface Conguration................................................................................................................................ 411
Interface Types................................................................................................................................................................412
View Basic Interface Information..................................................................................................................................412
Resetting an Interface to its Factory Default State................................................................................................... 414
Enabling a Physical Interface........................................................................................................................................ 415
Physical Interfaces......................................................................................................................................................... 415
Conguration Task List for Physical Interfaces.....................................................................................................415
Overview of Layer Modes....................................................................................................................................... 416
Conguring Layer 2 (Data Link) Mode.................................................................................................................. 416
Conguring Layer 2 (Interface) Mode................................................................................................................... 417
Conguring Layer 3 (Network) Mode....................................................................................................................417
Conguring Layer 3 (Interface) Mode................................................................................................................... 417
Automatic recovery of an Err-disabled interface........................................................................................................418
Conguring an automatic recovery for an Err-disabled interface...................................................................... 419
Egress Interface Selection (EIS)...................................................................................................................................419
Contents
13
Important Points to Remember............................................................................................................................. 420
Conguring EIS........................................................................................................................................................ 420
Management Interfaces................................................................................................................................................420
Conguring Management Interfaces.....................................................................................................................420
Conguring a Management Interface on an Ethernet Port................................................................................422
S6100 — OIR........................................................................................................................................................... 423
VLAN Interfaces.............................................................................................................................................................423
Loopback Interfaces...................................................................................................................................................... 424
Null Interfaces................................................................................................................................................................ 424
Port Channel Interfaces................................................................................................................................................ 424
Port Channel Denition and Standards.................................................................................................................425
Port Channel Benets.............................................................................................................................................425
Port Channel Implementation.................................................................................................................................425
Interfaces in Port Channels.................................................................................................................................... 426
Conguration Tasks for Port Channel Interfaces.................................................................................................426
Creating a Port Channel..........................................................................................................................................426
Adding a Physical Interface to a Port Channel.....................................................................................................427
Reassigning an Interface to a New Port Channel................................................................................................428
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 429
Adding or Removing a Port Channel from a VLAN............................................................................................. 429
Assigning an IP Address to a Port Channel.......................................................................................................... 430
Deleting or Disabling a Port Channel......................................................................................................................431
Load Balancing Through Port Channels................................................................................................................ 431
Load-Balancing Method...........................................................................................................................................431
Changing the Hash Algorithm................................................................................................................................ 432
Bulk Conguration......................................................................................................................................................... 433
Interface Range........................................................................................................................................................433
Bulk Conguration Examples..................................................................................................................................433
Dening Interface Range Macros................................................................................................................................ 435
Dene the Interface Range.................................................................................................................................... 435
Choosing an Interface-Range Macro.................................................................................................................... 435
Monitoring and Maintaining Interfaces....................................................................................................................... 436
Split 40G Ports on a 16X40G QSFP+ Module............................................................................................................437
Splitting 100G Ports...................................................................................................................................................... 438
Link Dampening..............................................................................................................................................................438
Important Points to Remember............................................................................................................................. 439
Conguration Example of Link Dampening...........................................................................................................439
Enabling Link Dampening.........................................................................................................................................441
Link Bundle Monitoring................................................................................................................................................. 442
Using Ethernet Pause Frames for Flow Control........................................................................................................ 443
Enabling Pause Frames........................................................................................................................................... 443
Congure the MTU Size on an Interface....................................................................................................................444
Port-Pipes.......................................................................................................................................................................445
CR4 Auto-Negotiation...................................................................................................................................................445
FEC Conguration......................................................................................................................................................... 445
14
Contents
Setting the Speed of Ethernet Interfaces.................................................................................................................. 447
Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................448
Adjusting the Keepalive Timer......................................................................................................................................448
View Advanced Interface Information.........................................................................................................................449
Conguring the Interface Sampling Size.............................................................................................................. 449
Conguring the Trac Sampling Size Globally.......................................................................................................... 450
Dynamic Counters......................................................................................................................................................... 452
Clearing Interface Counters....................................................................................................................................452
Enhanced Validation of Interface Ranges...................................................................................................................453
Compressing Conguration Files................................................................................................................................. 453
21 IPv4 Routing............................................................................................................................................ 456
IP Addresses...................................................................................................................................................................457
Implementation Information....................................................................................................................................457
Conguration Tasks for IP Addresses..........................................................................................................................457
Assigning IP Addresses to an Interface.......................................................................................................................457
Conguring Static Routes............................................................................................................................................ 458
Adding description for IPv4 and IPv6 static routes.............................................................................................459
Congure Static Routes for the Management Interface..........................................................................................460
IPv4 Path MTU Discovery Overview.......................................................................................................................... 460
Packet handling during MTU mismatch.................................................................................................................461
Using the Congured Source IP Address in ICMP Messages...................................................................................461
Conguring the ICMP Source Interface................................................................................................................461
Conguring the Duration to Establish a TCP Connection........................................................................................ 462
Enabling Directed Broadcast........................................................................................................................................ 462
Resolution of Host Names............................................................................................................................................462
Enabling Dynamic Resolution of Host Names............................................................................................................463
Specifying the Local System Domain and a List of Domains................................................................................... 463
Conguring DNS with Traceroute................................................................................................................................464
ARP................................................................................................................................................................................. 464
Conguration Tasks for ARP........................................................................................................................................ 465
Conguring Static ARP Entries....................................................................................................................................465
Enabling Proxy ARP.......................................................................................................................................................465
Clearing ARP Cache......................................................................................................................................................466
ARP Learning via Gratuitous ARP............................................................................................................................... 466
Enabling ARP Learning via Gratuitous ARP................................................................................................................466
ARP Learning via ARP Request................................................................................................................................... 466
Conguring ARP Retries............................................................................................................................................... 467
ICMP............................................................................................................................................................................... 468
Conguration Tasks for ICMP...................................................................................................................................... 468
Enabling ICMP Unreachable Messages...................................................................................................................... 468
ICMP Redirects..............................................................................................................................................................468
UDP Helper.....................................................................................................................................................................469
Congure UDP Helper............................................................................................................................................ 469
Important Points to Remember..............................................................................................................................470
Enabling UDP Helper..................................................................................................................................................... 470
Contents
15
Congurations Using UDP Helper................................................................................................................................470
UDP Helper with Broadcast-All Addresses.................................................................................................................470
UDP Helper with Subnet Broadcast Addresses..........................................................................................................471
UDP Helper with Congured Broadcast Addresses...................................................................................................471
UDP Helper with No Congured Broadcast Addresses............................................................................................472
Troubleshooting UDP Helper........................................................................................................................................ 472
22 IPv6 Routing............................................................................................................................................ 473
Protocol Overview......................................................................................................................................................... 473
Extended Address Space........................................................................................................................................ 474
Stateless Autoconguration....................................................................................................................................474
IPv6 Headers............................................................................................................................................................ 474
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support....................................................................475
IPv6 Header Fields...................................................................................................................................................476
Extension Header Fields..........................................................................................................................................478
Addressing................................................................................................................................................................ 479
Implementing IPv6 with Dell EMC Networking OS...................................................................................................480
ICMPv6...........................................................................................................................................................................480
Path MTU discovery..................................................................................................................................................... 480
IPv6 Neighbor Discovery...............................................................................................................................................481
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................482
Conguring the IPv6 Recursive DNS Server....................................................................................................... 482
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 483
Displaying IPv6 RDNSS Information......................................................................................................................483
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 484
Conguration Tasks for IPv6........................................................................................................................................ 484
Adjusting Your CAM-Prole....................................................................................................................................484
Assigning an IPv6 Address to an Interface...........................................................................................................485
Assigning a Static IPv6 Route................................................................................................................................486
Conguring Telnet with IPv6..................................................................................................................................486
SNMP over IPv6...................................................................................................................................................... 487
Displaying IPv6 Information.................................................................................................................................... 487
Displaying an IPv6 Interface Information...............................................................................................................487
Showing IPv6 Routes..............................................................................................................................................488
Showing the Running-Conguration for an Interface.........................................................................................489
Clearing IPv6 Routes...............................................................................................................................................490
Disabling ND Entry Timeout................................................................................................................................... 490
Conguring IPv6 RA Guard...........................................................................................................................................491
Conguring IPv6 RA Guard on an Interface.........................................................................................................492
Monitoring IPv6 RA Guard......................................................................................................................................493
23 iSCSI Optimization...................................................................................................................................494
iSCSI Optimization Overview....................................................................................................................................... 494
Monitoring iSCSI Trac Flows...............................................................................................................................496
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 496
Information Monitored in iSCSI Trac Flows.......................................................................................................496
16
Contents
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 497
Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 497
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................498
Enable and Disable iSCSI Optimization................................................................................................................. 498
Default iSCSI Optimization Values...............................................................................................................................499
iSCSI Optimization Prerequisites................................................................................................................................. 499
Conguring iSCSI Optimization................................................................................................................................... 499
Displaying iSCSI Optimization Information.................................................................................................................. 501
24 Intermediate System to Intermediate System.......................................................................................... 503
IS-IS Protocol Overview............................................................................................................................................... 503
IS-IS Addressing.............................................................................................................................................................503
Multi-Topology IS-IS...................................................................................................................................................... 504
Transition Mode....................................................................................................................................................... 504
Interface Support.................................................................................................................................................... 505
Adjacencies.............................................................................................................................................................. 505
Graceful Restart............................................................................................................................................................ 505
Timers....................................................................................................................................................................... 505
Implementation Information......................................................................................................................................... 505
Conguration Information.............................................................................................................................................506
Conguration Tasks for IS-IS..................................................................................................................................507
Conguring the Distance of a Route......................................................................................................................514
Changing the IS-Type...............................................................................................................................................515
Redistributing IPv4 Routes......................................................................................................................................517
Redistributing IPv6 Routes......................................................................................................................................518
Conguring Authentication Passwords..................................................................................................................519
Setting the Overload Bit..........................................................................................................................................519
Debugging IS-IS....................................................................................................................................................... 520
IS-IS Metric Styles..........................................................................................................................................................521
Congure Metric Values................................................................................................................................................ 521
Maximum Values in the Routing Table.................................................................................................................. 522
Change the IS-IS Metric Style in One Level Only................................................................................................522
Leaks from One Level to Another..........................................................................................................................523
Sample Congurations.................................................................................................................................................. 524
25 In-Service Software Upgrade...................................................................................................................527
ISSU Introduction...........................................................................................................................................................527
Warmboot Limitations............................................................................................................................................. 527
Fastboot 2.0 (Zero Loss Upgrade)...............................................................................................................................527
L2 ISSU........................................................................................................................................................................... 528
L3 ISSU........................................................................................................................................................................... 528
CoPP............................................................................................................................................................................... 529
Mirroring ow control packets..................................................................................................................................... 529
PFC..................................................................................................................................................................................529
QoS..................................................................................................................................................................................529
Tunnel Conguration..................................................................................................................................................... 529
Contents
17
26 Link Aggregation Control Protocol (LACP)............................................................................................... 531
Introduction to Dynamic LAGs and LACP................................................................................................................... 531
Important Points to Remember.............................................................................................................................. 531
LACP Modes............................................................................................................................................................ 532
Conguring LACP Commands...............................................................................................................................532
LACP Conguration Tasks............................................................................................................................................533
Creating a LAG.........................................................................................................................................................533
Conguring the LAG Interfaces as Dynamic........................................................................................................533
Setting the LACP Long Timeout............................................................................................................................534
Monitoring and Debugging LACP..........................................................................................................................534
Shared LAG State Tracking.......................................................................................................................................... 535
Conguring Shared LAG State Tracking...............................................................................................................535
Important Points about Shared LAG State Tracking........................................................................................... 537
LACP Basic Conguration Example.............................................................................................................................537
Congure a LAG on ALPHA................................................................................................................................... 537
27 Layer 2.....................................................................................................................................................546
Manage the MAC Address Table................................................................................................................................. 546
Clearing the MAC Address Table........................................................................................................................... 546
Setting the Aging Time for Dynamic Entries........................................................................................................546
Conguring a Static MAC Address........................................................................................................................547
Displaying the MAC Address Table........................................................................................................................ 547
MAC Learning Limit....................................................................................................................................................... 547
Setting the MAC Learning Limit............................................................................................................................ 548
mac learning-limit Dynamic.................................................................................................................................... 548
mac learning-limit mac-address-sticky................................................................................................................. 548
mac learning-limit station-move............................................................................................................................ 549
mac learning-limit no-station-move...................................................................................................................... 549
Learning Limit Violation Actions.............................................................................................................................549
Setting Station Move Violation Actions................................................................................................................550
Recovering from Learning Limit and Station Move Violations...........................................................................550
Disabling MAC Address Learning on the System................................................................................................. 551
Enabling port security.............................................................................................................................................. 551
NIC Teaming....................................................................................................................................................................551
Congure Redundant Pairs.......................................................................................................................................... 552
Important Points about Conguring Redundant Pairs........................................................................................ 554
Far-End Failure Detection.............................................................................................................................................555
FEFD State Changes...............................................................................................................................................556
Conguring FEFD.................................................................................................................................................... 557
Enabling FEFD on an Interface...............................................................................................................................557
Debugging FEFD......................................................................................................................................................558
28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 560
802.1AB (LLDP) Overview........................................................................................................................................... 560
Protocol Data Units.................................................................................................................................................560
18
Contents
Optional TLVs..................................................................................................................................................................561
Management TLVs................................................................................................................................................... 561
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 563
TIA Organizationally Specic TLVs........................................................................................................................ 563
Congure LLDP..............................................................................................................................................................567
Related Conguration Tasks................................................................................................................................... 567
Important Points to Remember..............................................................................................................................567
LLDP Compatibility.................................................................................................................................................. 567
CONFIGURATION versus INTERFACE Congurations............................................................................................ 567
Enabling LLDP................................................................................................................................................................568
Disabling and Undoing LLDP..................................................................................................................................568
Enabling LLDP on Management Ports........................................................................................................................569
Disabling and Undoing LLDP on Management Ports..........................................................................................569
Advertising TLVs............................................................................................................................................................569
Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 570
Reserved Unrecognized LLDP TLVs..................................................................................................................... 570
Organizational Specic Unrecognized LLDP TLVs...............................................................................................571
Viewing Unrecognized LLDP TLVs......................................................................................................................... 571
Viewing the LLDP Conguration.................................................................................................................................. 571
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................572
Examples of Viewing Information Advertised by Neighbors...............................................................................572
Conguring LLDPDU Intervals......................................................................................................................................574
Conguring LLDP Notication Interval........................................................................................................................574
Conguring Transmit and Receive Mode....................................................................................................................575
Conguring the Time to Live Value............................................................................................................................. 575
Debugging LLDP............................................................................................................................................................ 576
Relevant Management Objects....................................................................................................................................577
29 Microsoft Network Load Balancing.......................................................................................................... 582
NLB Unicast Mode Scenario........................................................................................................................................582
NLB Multicast Mode Scenario.....................................................................................................................................582
Limitations of the NLB Feature....................................................................................................................................583
Microsoft Clustering......................................................................................................................................................583
Enable and Disable VLAN Flooding ............................................................................................................................ 583
Conguring a Switch for NLB .....................................................................................................................................583
Enabling a Switch for Multicast NLB.................................................................................................................... 584
30 Multicast Source Discovery Protocol (MSDP).........................................................................................585
Protocol Overview.........................................................................................................................................................585
Anycast RP.....................................................................................................................................................................586
Implementation Information..........................................................................................................................................587
Congure Multicast Source Discovery Protocol........................................................................................................ 587
Related Conguration Tasks................................................................................................................................... 587
Enable MSDP..................................................................................................................................................................591
Manage the Source-Active Cache.............................................................................................................................. 592
Viewing the Source-Active Cache.........................................................................................................................592
Contents
19
Limiting the Source-Active Cache.........................................................................................................................592
Clearing the Source-Active Cache........................................................................................................................ 593
Enabling the Rejected Source-Active Cache....................................................................................................... 593
Accept Source-Active Messages that Fail the RFP Check......................................................................................593
Specifying Source-Active Messages...........................................................................................................................596
Limiting the Source-Active Messages from a Peer...................................................................................................597
Preventing MSDP from Caching a Local Source....................................................................................................... 597
Preventing MSDP from Caching a Remote Source.................................................................................................. 598
Preventing MSDP from Advertising a Local Source................................................................................................. 598
Logging Changes in Peership States...........................................................................................................................599
Terminating a Peership..................................................................................................................................................599
Clearing Peer Statistics.................................................................................................................................................600
Debugging MSDP..........................................................................................................................................................600
MSDP with Anycast RP................................................................................................................................................ 601
Conguring Anycast RP................................................................................................................................................602
Reducing Source-Active Message Flooding.........................................................................................................603
Specifying the RP Address Used in SA Messages.............................................................................................. 603
MSDP Sample Congurations..................................................................................................................................... 605
31 Multicast Listener Discovery Protocol...................................................................................................... 608
MLD Version 1................................................................................................................................................................ 608
MLD Querier Router......................................................................................................................................................608
Joining a Multicast Group.............................................................................................................................................609
Leaving a Multicast Group............................................................................................................................................609
MLD version 2................................................................................................................................................................609
MLD timers...................................................................................................................................................................... 611
Reducing Host Response Burstiness..................................................................................................................... 612
Conguring MLD Version.............................................................................................................................................. 612
Clearing MLD groups..................................................................................................................................................... 612
Debugging MLD..............................................................................................................................................................612
Explicit Tracking..............................................................................................................................................................612
Reducing Leave Latency................................................................................................................................................613
Displaying MLD groups table.........................................................................................................................................613
Displaying MLD Interfaces.............................................................................................................................................613
MLD Snooping................................................................................................................................................................ 613
Enable MLD Snooping............................................................................................................................................. 614
Disable MLD Snooping.............................................................................................................................................614
Congure the switch as a querier...........................................................................................................................614
Specify port as connected to multicast router..................................................................................................... 614
Enable Snooping Explicit Tracking..........................................................................................................................615
Display the MLD Snooping Table............................................................................................................................615
32 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 616
Protocol Overview..........................................................................................................................................................616
Spanning Tree Variations............................................................................................................................................... 617
Implementation Information.....................................................................................................................................617
20
Contents
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