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Dell PowerSwitch S6100-ON Owner's manual

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Dell Conguration Guide for the S6100–ON
System
9.14.1.0
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks
may be trademarks of their respective owners.
2018 - 11
Rev. A00
Contents
1 About this Guide...........................................................................................................................................37
Audience............................................................................................................................................................................37
Conventions...................................................................................................................................................................... 37
Related Documents..........................................................................................................................................................37
2 Conguration Fundamentals........................................................................................................................ 38
Accessing the Command Line........................................................................................................................................38
CLI Modes.........................................................................................................................................................................38
Navigating CLI Modes...............................................................................................................................................40
The do Command............................................................................................................................................................ 43
Undoing Commands........................................................................................................................................................ 43
Obtaining Help..................................................................................................................................................................44
Entering and Editing Commands....................................................................................................................................44
Command History............................................................................................................................................................45
Filtering show Command Outputs.................................................................................................................................45
Example of the grep Keyword.................................................................................................................................. 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............................................................................................................................ 59
Using HTTP for File Transfers........................................................................................................................................ 59
Contents
3
Verify Software Images Before Installation...................................................................................................................60
4 Management................................................................................................................................................62
Conguring Privilege Levels............................................................................................................................................62
Creating a Custom Privilege Level...........................................................................................................................63
Removing a Command from EXEC Mode.............................................................................................................. 63
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................63
Allowing Access to CONFIGURATION Mode Commands....................................................................................63
Allowing Access to Dierent Modes........................................................................................................................63
Applying a Privilege Level to a Username...............................................................................................................65
Applying a Privilege Level to a Terminal Line.......................................................................................................... 65
Conguring Logging........................................................................................................................................................ 65
Audit and Security Logs............................................................................................................................................ 66
Conguring Logging Format ...................................................................................................................................67
Setting Up a Secure Connection to a Syslog Server.............................................................................................67
Log Messages in the Internal Buer..............................................................................................................................69
Conguration Task List for System Log Management..........................................................................................69
Disabling System Logging...............................................................................................................................................69
Sending System Messages to a Syslog Server............................................................................................................69
Conguring a UNIX System as a Syslog Server.....................................................................................................69
Track Login Activity..........................................................................................................................................................70
Restrictions for Tracking Login Activity...................................................................................................................70
Conguring Login Activity Tracking......................................................................................................................... 70
Display Login Statistics...............................................................................................................................................71
Limit Concurrent Login Sessions....................................................................................................................................72
Restrictions for Limiting the Number of Concurrent Sessions.............................................................................72
Conguring Concurrent Session Limit.....................................................................................................................72
Enabling the System to Clear Existing Sessions.................................................................................................... 73
Enabling Secured CLI Mode............................................................................................................................................74
Changing System Logging Settings...............................................................................................................................74
Display the Logging Buer and the Logging Conguration........................................................................................ 75
Conguring a UNIX Logging Facility Level....................................................................................................................75
Synchronizing Log Messages......................................................................................................................................... 76
Enabling Timestamp on Syslog Messages.................................................................................................................... 77
File Transfer Services.......................................................................................................................................................77
Conguration Task List for File Transfer Services.................................................................................................. 77
Enabling the FTP Server........................................................................................................................................... 78
Conguring FTP Server Parameters........................................................................................................................78
Conguring FTP Client Parameters......................................................................................................................... 78
Terminal Lines................................................................................................................................................................... 79
Denying and Permitting Access to a Terminal Line................................................................................................79
Conguring Login Authentication for Terminal Lines.............................................................................................80
Setting Timeout for EXEC Privilege Mode....................................................................................................................81
Using Telnet to get to Another Network Device..........................................................................................................82
Lock CONFIGURATION Mode....................................................................................................................................... 82
Viewing the Conguration Lock Status...................................................................................................................82
4
Contents
LPC Bus Quality Degradation......................................................................................................................................... 83
LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................84
Restoring the Factory Default Settings.........................................................................................................................84
Important Points to Remember................................................................................................................................84
Restoring Factory Default Environment Variables................................................................................................. 85
Reloading the system...................................................................................................................................................... 86
Viewing the Reason for Last System Reboot...............................................................................................................87
5 802.1X..........................................................................................................................................................88
Port-Authentication Process..........................................................................................................................................90
EAP over RADIUS......................................................................................................................................................90
Conguring 802.1X........................................................................................................................................................... 91
Related Conguration Tasks......................................................................................................................................91
Important Points to Remember...................................................................................................................................... 91
Enabling 802.1X................................................................................................................................................................ 92
Conguring dot1x Prole ................................................................................................................................................93
Conguring MAC addresses for a do1x Prole.............................................................................................................94
Conguring the Static MAB and MAB Prole .............................................................................................................94
Conguring Critical VLAN ..............................................................................................................................................95
Conguring Request Identity Re-Transmissions...........................................................................................................96
Conguring a Quiet Period after a Failed Authentication..................................................................................... 96
Conguring a Quiet Period after a Failed Authentication............................................................................................97
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 98
Re-Authenticating a Port................................................................................................................................................99
Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 99
Guest and Authentication-Fail VLANs.........................................................................................................................100
Conguring a Guest VLAN...................................................................................................................................... 101
Conguring an Authentication-Fail VLAN..............................................................................................................101
Conguring Timeouts...............................................................................................................................................102
Multi-Host Authentication.............................................................................................................................................103
Conguring Multi-Host AuthenticationConguring Single-Host Authentication............................................. 104
Multi-Supplicant Authentication...................................................................................................................................106
Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication.............................106
MAC Authentication Bypass......................................................................................................................................... 107
MAB in Single-host and Multi-Host Mode............................................................................................................ 107
MAB in Multi-Supplicant Authentication Mode....................................................................................................108
Conguring MAC Authentication Bypass..............................................................................................................108
Dynamic CoS with 802.1X............................................................................................................................................. 109
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)....................................111
Optimizing CAM Utilization During the Attachment of ACLs to VLANs...................................................................111
Guidelines for Conguring ACL VLAN Groups............................................................................................................ 112
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters................................................112
Conguring ACL VLAN Groups............................................................................................................................... 112
Conguring FP Blocks for VLAN Parameters........................................................................................................113
Viewing CAM Usage....................................................................................................................................................... 114
Contents
5
Allocating FP Blocks for VLAN Processes................................................................................................................... 115
ACL Optimization to Increase Number of Supported IPv4 ACLs..............................................................................116
Restrictions for ACL Optimization.......................................................................................................................... 116
Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................116
7 Access Control Lists (ACLs)........................................................................................................................118
IP Access Control Lists (ACLs)......................................................................................................................................119
CAM Usage................................................................................................................................................................119
Implementing ACLs on Dell EMC Networking OS................................................................................................120
Congure ACL Range Proles................................................................................................................................ 122
Important Points to Remember.................................................................................................................................... 123
Conguration Task List for Route Maps................................................................................................................ 123
Conguring Match Routes...................................................................................................................................... 125
Conguring Set Conditions..................................................................................................................................... 126
Congure a Route Map for Route Redistribution................................................................................................. 127
Congure a Route Map for Route Tagging............................................................................................................128
Continue Clause........................................................................................................................................................128
IP Fragment Handling.................................................................................................................................................... 129
IP Fragments ACL Examples...................................................................................................................................129
Layer 4 ACL Rules Examples...................................................................................................................................129
Congure a Standard IP ACL........................................................................................................................................130
Conguring a Standard IP ACL Filter......................................................................................................................131
Congure an Extended IP ACL..................................................................................................................................... 132
Conguring Filters with a Sequence Number....................................................................................................... 132
Conguring Filters Without a Sequence Number................................................................................................ 135
Congure Layer 2 and Layer 3 ACLs............................................................................................................................135
Assign an IP ACL to an Interface..................................................................................................................................136
Applying an IP ACL.........................................................................................................................................................136
Counting ACL Hits....................................................................................................................................................137
Congure Ingress ACLs..................................................................................................................................................137
Congure Egress ACLs.................................................................................................................................................. 138
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 139
IP Prex Lists.................................................................................................................................................................. 139
Implementation Information.................................................................................................................................... 140
Conguration Task List for Prex Lists.................................................................................................................. 140
ACL Remarks.................................................................................................................................................................. 143
Conguring a Remark.............................................................................................................................................. 143
Deleting a Remark.................................................................................................................................................... 144
ACL Resequencing......................................................................................................................................................... 145
Resequencing an ACL or Prex List.......................................................................................................................145
Route Maps.....................................................................................................................................................................146
Implementation Information.................................................................................................................................... 146
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 148
How BFD Works............................................................................................................................................................. 148
BFD Packet Format..................................................................................................................................................149
6
Contents
BFD Sessions............................................................................................................................................................ 150
BFD Three-Way Handshake.....................................................................................................................................151
Session State Changes............................................................................................................................................153
Important Points to Remember.................................................................................................................................... 153
Congure BFD................................................................................................................................................................ 153
Congure BFD for Physical Ports...........................................................................................................................154
Congure BFD for Static Routes............................................................................................................................157
Congure BFD for IPv6 Static Routes................................................................................................................... 161
Congure BFD for OSPF.........................................................................................................................................163
Congure BFD for OSPFv3.....................................................................................................................................168
Congure BFD for IS-IS............................................................................................................................................171
Congure BFD for BGP........................................................................................................................................... 173
Congure BFD for VRRP..........................................................................................................................................181
Conguring Protocol Liveness................................................................................................................................ 183
9 Border Gateway Protocol (BGP)................................................................................................................ 184
BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 184
BGP Autonomous Systems...........................................................................................................................................185
AS4 Number Representation.................................................................................................................................. 186
Four-Byte AS Numbers............................................................................................................................................188
Multiprotocol BGP..........................................................................................................................................................188
Sessions and Peers........................................................................................................................................................ 189
Establish a Session...................................................................................................................................................189
BGP global and address family conguration..............................................................................................................190
BGP global conguration default values................................................................................................................190
BGP Attributes for selecting Best Path........................................................................................................................191
Best Path Selection Criteria.....................................................................................................................................191
Weight........................................................................................................................................................................193
Local Preference.......................................................................................................................................................193
Multi-Exit Discriminators (MEDs)...........................................................................................................................194
Origin..........................................................................................................................................................................195
AS Path......................................................................................................................................................................196
Next Hop................................................................................................................................................................... 196
Implement BGP with Dell EMC Networking OS.........................................................................................................196
Additional Path (Add-Path) Support......................................................................................................................196
Advertise IGP Cost as MED for Redistributed Routes.........................................................................................197
Ignore Router-ID in Best-Path Calculation.............................................................................................................197
AS Number Migration...............................................................................................................................................197
BGP4 Management Information Base (MIB)........................................................................................................198
Important Points to Remember.............................................................................................................................. 198
Conguration Information..............................................................................................................................................199
Basic BGP conguration tasks.....................................................................................................................................200
Enabling BGP........................................................................................................................................................... 200
Conguring a BGP peer..........................................................................................................................................202
Conguring AS4 Number Representations.......................................................................................................... 203
Conguring a BGP VRF address family................................................................................................................ 205
Contents
7
Route-refresh and Soft-reconguration............................................................................................................... 206
Aggregating Routes.................................................................................................................................................209
Filtering BGP Routes................................................................................................................................................210
Filtering BGP Routes Using Route Maps...............................................................................................................210
Filtering BGP Routes Using AS-PATH Information............................................................................................... 211
Conguring Peer Groups......................................................................................................................................... 212
Conguring BGP Fast Fall-Over............................................................................................................................ 220
Conguring Passive Peering................................................................................................................................... 221
Maintaining Existing AS Numbers During an AS Migration................................................................................ 222
Allowing an AS Number to Appear in its Own AS Path.......................................................................................223
Enabling Graceful Restart.......................................................................................................................................224
Filtering on an AS-Path Attribute.......................................................................................................................... 225
Regular Expressions as Filters................................................................................................................................226
Redistributing Routes.............................................................................................................................................. 227
Enabling Additional Paths........................................................................................................................................228
Conguring IP Community Lists............................................................................................................................ 229
Conguring an IP Extended Community List....................................................................................................... 230
Filtering Routes with Community Lists.................................................................................................................. 231
Manipulating the COMMUNITY Attribute............................................................................................................ 232
Changing MED Attributes.......................................................................................................................................234
Changing the LOCAL_PREFERENCE Attribute..................................................................................................234
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 235
Changing the WEIGHT Attribute...........................................................................................................................235
Enabling Multipath...................................................................................................................................................236
Route Reectors......................................................................................................................................................236
Conguring BGP Confederations.......................................................................................................................... 238
Enabling Route Flap Dampening............................................................................................................................ 238
Changing BGP keepalive and hold timers.............................................................................................................240
Setting the extended timer..................................................................................................................................... 241
Enabling or disabling BGP neighbors.....................................................................................................................242
Route Map Continue............................................................................................................................................... 243
Enabling MBGP Congurations....................................................................................................................................244
MBGP support for IPv6................................................................................................................................................ 244
Conguring IPv6 MBGP between peers.....................................................................................................................244
Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 245
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor................................................247
BGP Regular Expression Optimization........................................................................................................................249
Debugging BGP..............................................................................................................................................................249
Storing Last and Bad PDUs....................................................................................................................................250
Capturing PDUs........................................................................................................................................................251
PDU Counters.......................................................................................................................................................... 252
10 Content Addressable Memory (CAM).......................................................................................................253
CAM Allocation.............................................................................................................................................................. 253
Test CAM Usage............................................................................................................................................................255
View CAM-ACL Settings.............................................................................................................................................. 255
8
Contents
View CAM Usage...........................................................................................................................................................256
Conguring CAM Threshold and Silence Period........................................................................................................257
Setting CAM Threshold and Silence Period..........................................................................................................257
CAM Optimization......................................................................................................................................................... 258
Troubleshoot CAM Proling..........................................................................................................................................258
QoS CAM Region Limitation...................................................................................................................................258
Syslog Error When the Table is Full....................................................................................................................... 258
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................259
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................259
Unied Forwarding Table (UFT) Modes..................................................................................................................... 259
Conguring UFT Modes......................................................................................................................................... 259
IPv6 CAM ACL Region..................................................................................................................................................260
Important Points to Remember............................................................................................................................. 260
Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................260
Sharing CAM space between IPv4 QoS and IPv6 ACLs.....................................................................................261
11 Control Plane Policing (CoPP).................................................................................................................. 262
Congure Control Plane Policing................................................................................................................................. 263
Conguring CoPP for Protocols............................................................................................................................ 264
Conguring CoPP for CPU Queues...................................................................................................................... 266
Protocol to CPU Queue Mapping.......................................................................................................................... 267
Conguring Protocol to CPU Queue Mapping.....................................................................................................267
Displaying CoPP Conguration ............................................................................................................................. 268
12 Data Center Bridging (DCB)..................................................................................................................... 270
Ethernet Enhancements in Data Center Bridging......................................................................................................270
Priority-Based Flow Control.................................................................................................................................... 271
Enhanced Transmission Selection..........................................................................................................................272
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................273
Data Center Bridging in a Trac Flow...................................................................................................................274
Enabling Data Center Bridging......................................................................................................................................274
DCB Maps and its Attributes..................................................................................................................................275
Data Center Bridging: Default Conguration..............................................................................................................275
Conguring Priority-Based Flow Control.................................................................................................................... 276
Conguring Lossless Queues..................................................................................................................................277
Conguring PFC in a DCB Map....................................................................................................................................278
PFC Conguration Notes........................................................................................................................................278
PFC Prerequisites and Restrictions....................................................................................................................... 279
Applying a DCB Map on a Port.................................................................................................................................... 279
Conguring PFC without a DCB Map.........................................................................................................................280
Conguring PFC Asymmetric.......................................................................................................................................280
Priority-Based Flow Control Using Dynamic Buer Method.................................................................................... 281
Pause and Resume of Trac...................................................................................................................................281
Buer Sizes for Lossless or PFC Packets............................................................................................................. 281
Shared headroom for lossless or PFC packets.......................................................................................................... 282
Example Scenario.................................................................................................................................................... 282
Contents
9
Conguring Shared Head Room Buer................................................................................................................ 284
Viewing Shared Head Room Usage.......................................................................................................................284
Monitoring Buer Statistics for Tracking Purposes............................................................................................ 284
Behavior of Tagged Packets.........................................................................................................................................285
SNMP Support for PFC and Buer Statistics Tracking............................................................................................285
Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................286
Conguration Example for DSCP and PFC Priorities................................................................................................286
Using PFC to Manage Converged Ethernet Trac...................................................................................................287
Generation of PFC for a Priority for Untagged Packets........................................................................................... 287
Congure Enhanced Transmission Selection..............................................................................................................287
Creating an ETS Priority Group..............................................................................................................................287
ETS Operation with DCBx......................................................................................................................................289
Conguring ETS in a DCB Map..............................................................................................................................289
Hierarchical Scheduling in ETS Output Policies.........................................................................................................290
Using ETS to Manage Converged Ethernet Trac....................................................................................................291
Applying DCB Policies in a Switch Stack.....................................................................................................................291
Congure a DCBx Operation.........................................................................................................................................291
DCBx Operation........................................................................................................................................................291
DCBx Port Roles...................................................................................................................................................... 292
DCB Conguration Exchange................................................................................................................................ 293
Conguration Source Election................................................................................................................................293
Propagation of DCB Information............................................................................................................................294
Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 294
DCBx Example......................................................................................................................................................... 295
DCBx Prerequisites and Restrictions.....................................................................................................................295
Conguring DCBx....................................................................................................................................................295
Verifying the DCB Conguration................................................................................................................................. 299
QoS dot1p Trac Classication and Queue Assignment..........................................................................................306
Conguring the Dynamic Buer Method....................................................................................................................307
Sample DCB Conguration...........................................................................................................................................308
PFC and ETS Conguration Command Examples.............................................................................................. 309
13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................310
DHCP Packet Format and Options.............................................................................................................................. 310
Assign an IP Address using DHCP................................................................................................................................312
Implementation Information.......................................................................................................................................... 313
Congure the System to be a DHCP Server.............................................................................................................. 313
Conguring the Server for Automatic Address Allocation...................................................................................314
Specifying a Default Gateway.................................................................................................................................315
Congure a Method of Hostname Resolution...................................................................................................... 316
Using DNS for Address Resolution.........................................................................................................................316
Using NetBIOS WINS for Address Resolution...................................................................................................... 316
Creating Manual Binding Entries............................................................................................................................ 316
Debugging the DHCP Server.................................................................................................................................. 317
Using DHCP Clear Commands................................................................................................................................317
Congure the System to be a DHCP Client................................................................................................................ 317
10
Contents
Conguring the DHCP Client System....................................................................................................................318
DHCP Client on a Management Interface.............................................................................................................319
DHCP Client Operation with Other Features.......................................................................................................320
DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................321
Conguring Route Leaking between VRFs on DHCP Relay Agent.................................................................... 321
Non-default VRF conguration for DHCPv6 helper address................................................................................... 322
Conguring DHCP relay source interface...................................................................................................................322
Global DHCP relay source IPv4 or IPv6 conguration ....................................................................................... 322
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................323
Congure the System for User Port Stacking (Option 230)....................................................................................324
Congure Secure DHCP............................................................................................................................................... 324
Option 82..................................................................................................................................................................325
DHCP Snooping.......................................................................................................................................................325
Drop DHCP Packets on Snooped VLANs Only....................................................................................................330
Dynamic ARP Inspection......................................................................................................................................... 331
Conguring Dynamic ARP Inspection.................................................................................................................... 331
Source Address Validation............................................................................................................................................ 333
Enabling IP Source Address Validation.................................................................................................................. 333
DHCP MAC Source Address Validation................................................................................................................ 334
Enabling IP+MAC Source Address Validation.......................................................................................................334
Viewing the Number of SAV Dropped Packets................................................................................................... 335
Clearing the Number of SAV Dropped Packets...................................................................................................335
14 Equal Cost Multi-Path (ECMP)................................................................................................................ 336
ECMP for Flow-Based Anity.....................................................................................................................................336
Conguring the Hash Algorithm Seed.................................................................................................................. 336
Link Bundle Monitoring................................................................................................................................................. 336
Managing ECMP Group Paths...............................................................................................................................337
Creating an ECMP Group Bundle.......................................................................................................................... 337
Modifying the ECMP Group Threshold.................................................................................................................338
Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................338
Support for ECMP in host table............................................................................................................................ 339
Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 339
RTAG7.......................................................................................................................................................................339
Flow-based Hashing for ECMP............................................................................................................................. 340
15 FIP Snooping............................................................................................................................................344
Fibre Channel over Ethernet........................................................................................................................................ 344
Ensure Robustness in a Converged Ethernet Network............................................................................................ 344
FIP Snooping on Ethernet Bridges.............................................................................................................................. 346
Using FIP Snooping....................................................................................................................................................... 348
FIP Snooping Prerequisites.....................................................................................................................................348
Important Points to Remember............................................................................................................................. 348
Enabling the FCoE Transit Feature........................................................................................................................349
Enable FIP Snooping on VLANs.............................................................................................................................350
Congure the FC-MAP Value................................................................................................................................ 350
Contents
11
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................350
Congure a Port for a Bridge-to-FCF Link...........................................................................................................350
Impact on Other Software Features...................................................................................................................... 351
FIP Snooping Restrictions....................................................................................................................................... 351
Conguring FIP Snooping........................................................................................................................................351
Displaying FIP Snooping Information...........................................................................................................................352
FCoE Transit Conguration Example...........................................................................................................................357
16 Flex Hash and Optimized Boot-Up............................................................................................................359
Flex Hash Capability Overview.................................................................................................................................... 359
Conguring the Flex Hash Mechanism.......................................................................................................................359
Conguring Fast Boot and LACP Fast Switchover...................................................................................................360
Optimizing the Boot Time.............................................................................................................................................360
Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................360
Guidelines for Conguring Optimized Booting Mechanism.................................................................................361
Interoperation of Applications with Fast Boot and System States..........................................................................362
LACP and IPv4 Routing.......................................................................................................................................... 362
LACP and IPv6 Routing.......................................................................................................................................... 362
BGP Graceful Restart............................................................................................................................................. 363
Cold Boot Caused by Power Cycling the System................................................................................................363
Unexpected Reload of the System........................................................................................................................363
Software Upgrade................................................................................................................................................... 363
LACP Fast Switchover............................................................................................................................................363
Changes to BGP Multipath.................................................................................................................................... 364
Delayed Installation of ECMP Routes Into BGP...................................................................................................364
RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 364
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................365
17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 366
Protocol Overview.........................................................................................................................................................366
Ring Status............................................................................................................................................................... 367
Multiple FRRP Rings................................................................................................................................................367
Important FRRP Points...........................................................................................................................................368
Important FRRP Concepts.....................................................................................................................................369
Implementing FRRP.......................................................................................................................................................370
FRRP Conguration.......................................................................................................................................................370
Creating the FRRP Group.......................................................................................................................................370
Conguring the Control VLAN............................................................................................................................... 370
Conguring and Adding the Member VLANs.......................................................................................................372
Setting the FRRP Timers........................................................................................................................................ 373
Clearing the FRRP Counters.................................................................................................................................. 373
Viewing the FRRP Conguration........................................................................................................................... 373
Viewing the FRRP Information...............................................................................................................................373
Troubleshooting FRRP...................................................................................................................................................374
Conguration Checks.............................................................................................................................................. 374
Sample Conguration and Topology............................................................................................................................ 374
12
Contents
FRRP Support on VLT...................................................................................................................................................375
Example Scenario.....................................................................................................................................................376
Important Points to Remember..............................................................................................................................377
18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 378
Important Points to Remember....................................................................................................................................378
Congure GVRP.............................................................................................................................................................379
Related Conguration Tasks................................................................................................................................... 379
Enabling GVRP Globally................................................................................................................................................ 380
Enabling GVRP on a Layer 2 Interface........................................................................................................................380
Congure GVRP Registration...................................................................................................................................... 380
Congure a GARP Timer............................................................................................................................................... 381
19 Internet Group Management Protocol (IGMP)......................................................................................... 382
IGMP Implementation Information...............................................................................................................................382
IGMP Protocol Overview..............................................................................................................................................382
IGMP Version 2........................................................................................................................................................ 382
IGMP Version 3........................................................................................................................................................ 384
Congure IGMP............................................................................................................................................................. 387
Related Conguration Tasks................................................................................................................................... 387
Viewing IGMP Enabled Interfaces............................................................................................................................... 388
Selecting an IGMP Version...........................................................................................................................................388
Viewing IGMP Groups...................................................................................................................................................389
Adjusting Timers............................................................................................................................................................ 389
Adjusting Query and Response Timers................................................................................................................. 389
Enabling IGMP Immediate-Leave................................................................................................................................ 390
IGMP Snooping...............................................................................................................................................................391
IGMP Snooping Implementation Information........................................................................................................391
Conguring IGMP Snooping................................................................................................................................... 391
Removing a Group-Port Association.....................................................................................................................392
Disabling Multicast Flooding...................................................................................................................................392
Specifying a Port as Connected to a Multicast Router...................................................................................... 392
Conguring the Switch as Querier........................................................................................................................ 393
Fast Convergence after MSTP Topology Changes...................................................................................................393
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................393
Protocol Separation.................................................................................................................................................394
Enabling and Disabling Management Egress Interface Selection......................................................................395
Handling of Management Route Conguration................................................................................................... 396
Handling of Switch-Initiated Trac.......................................................................................................................396
Handling of Switch-Destined Trac......................................................................................................................397
Handling of Transit Trac (Trac Separation).................................................................................................... 398
Mapping of Management Applications and Trac Type.....................................................................................398
Behavior of Various Applications for Switch-Initiated Trac ............................................................................399
Behavior of Various Applications for Switch-Destined Trac .......................................................................... 400
Interworking of EIS With Various Applications.....................................................................................................400
Designating a Multicast Router Interface....................................................................................................................401
Contents
13
20 Interfaces................................................................................................................................................ 402
Basic Interface Conguration.......................................................................................................................................402
Advanced Interface Conguration...............................................................................................................................402
Interface Types...............................................................................................................................................................403
View Basic Interface Information.................................................................................................................................403
Resetting an Interface to its Factory Default State.................................................................................................. 405
Enabling a Physical Interface........................................................................................................................................406
Physical Interfaces.........................................................................................................................................................406
Conguration Task List for Physical Interfaces....................................................................................................406
Overview of Layer Modes.......................................................................................................................................407
Conguring Layer 2 (Data Link) Mode..................................................................................................................407
Conguring Layer 2 (Interface) Mode.................................................................................................................. 408
Conguring Layer 3 (Network) Mode...................................................................................................................408
Conguring Layer 3 (Interface) Mode.................................................................................................................. 408
Automatic recovery of an Err-disabled interface.......................................................................................................409
Conguring an automatic recovery for an Err-disabled interface...................................................................... 410
Egress Interface Selection (EIS)...................................................................................................................................410
Important Points to Remember...............................................................................................................................411
Conguring EIS..........................................................................................................................................................411
Management Interfaces................................................................................................................................................. 411
Conguring Management Interfaces...................................................................................................................... 411
Conguring a Management Interface on an Ethernet Port................................................................................ 413
S6100 — OIR............................................................................................................................................................414
VLAN Interfaces............................................................................................................................................................. 414
Loopback Interfaces.......................................................................................................................................................415
Null Interfaces.................................................................................................................................................................415
Port Channel Interfaces.................................................................................................................................................415
Port Channel Denition and Standards..................................................................................................................416
Port Channel Benets..............................................................................................................................................416
Port Channel Implementation................................................................................................................................. 416
Interfaces in Port Channels..................................................................................................................................... 417
Conguration Tasks for Port Channel Interfaces..................................................................................................417
Creating a Port Channel...........................................................................................................................................417
Adding a Physical Interface to a Port Channel..................................................................................................... 418
Reassigning an Interface to a New Port Channel.................................................................................................419
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 420
Adding or Removing a Port Channel from a VLAN............................................................................................. 420
Assigning an IP Address to a Port Channel........................................................................................................... 421
Deleting or Disabling a Port Channel..................................................................................................................... 422
Load Balancing Through Port Channels................................................................................................................422
Load-Balancing Method..........................................................................................................................................422
Changing the Hash Algorithm................................................................................................................................ 423
Bulk Conguration......................................................................................................................................................... 424
Interface Range........................................................................................................................................................424
Bulk Conguration Examples..................................................................................................................................424
14
Contents
Dening Interface Range Macros................................................................................................................................ 426
Dene the Interface Range.................................................................................................................................... 426
Choosing an Interface-Range Macro.................................................................................................................... 426
Monitoring and Maintaining Interfaces........................................................................................................................427
Split 40G Ports on a 16X40G QSFP+ Module............................................................................................................428
Splitting 100G Ports...................................................................................................................................................... 429
Link Dampening..............................................................................................................................................................429
Important Points to Remember............................................................................................................................. 430
Conguration Example of Link Dampening...........................................................................................................430
Enabling Link Dampening........................................................................................................................................432
Link Bundle Monitoring................................................................................................................................................. 433
Using Ethernet Pause Frames for Flow Control........................................................................................................ 434
Enabling Pause Frames........................................................................................................................................... 434
Congure the MTU Size on an Interface....................................................................................................................435
Port-Pipes.......................................................................................................................................................................436
CR4 Auto-Negotiation...................................................................................................................................................436
FEC Conguration......................................................................................................................................................... 436
Setting the Speed of Ethernet Interfaces.................................................................................................................. 438
Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................439
Adjusting the Keepalive Timer......................................................................................................................................439
View Advanced Interface Information.........................................................................................................................440
Conguring the Interface Sampling Size.............................................................................................................. 440
Conguring the Trac Sampling Size Globally........................................................................................................... 441
Dynamic Counters......................................................................................................................................................... 443
Clearing Interface Counters....................................................................................................................................443
Enhanced Validation of Interface Ranges...................................................................................................................444
Compressing Conguration Files................................................................................................................................. 444
21 IPv4 Routing.............................................................................................................................................447
IP Addresses...................................................................................................................................................................448
Implementation Information....................................................................................................................................448
Conguration Tasks for IP Addresses..........................................................................................................................448
Assigning IP Addresses to an Interface.......................................................................................................................448
Conguring Static Routes.............................................................................................................................................449
Congure Static Routes for the Management Interface..........................................................................................450
IPv4 Path MTU Discovery Overview........................................................................................................................... 451
Packet handling during MTU mismatch.................................................................................................................451
Using the Congured Source IP Address in ICMP Messages...................................................................................451
Conguring the ICMP Source Interface................................................................................................................ 451
Conguring the Duration to Establish a TCP Connection........................................................................................ 452
Enabling Directed Broadcast........................................................................................................................................ 452
Resolution of Host Names............................................................................................................................................453
Enabling Dynamic Resolution of Host Names............................................................................................................453
Specifying the Local System Domain and a List of Domains................................................................................... 453
Conguring DNS with Traceroute................................................................................................................................454
ARP................................................................................................................................................................................. 455
Contents
15
Conguration Tasks for ARP........................................................................................................................................ 455
Conguring Static ARP Entries....................................................................................................................................455
Enabling Proxy ARP.......................................................................................................................................................456
Clearing ARP Cache......................................................................................................................................................456
ARP Learning via Gratuitous ARP............................................................................................................................... 456
Enabling ARP Learning via Gratuitous ARP................................................................................................................456
ARP Learning via ARP Request................................................................................................................................... 457
Conguring ARP Retries............................................................................................................................................... 457
ICMP............................................................................................................................................................................... 458
Conguration Tasks for ICMP......................................................................................................................................458
Enabling ICMP Unreachable Messages...................................................................................................................... 458
UDP Helper.....................................................................................................................................................................459
Congure UDP Helper............................................................................................................................................ 459
Important Points to Remember............................................................................................................................. 459
Enabling UDP Helper.....................................................................................................................................................459
Congurations Using UDP Helper............................................................................................................................... 459
UDP Helper with Broadcast-All Addresses.................................................................................................................459
UDP Helper with Subnet Broadcast Addresses.........................................................................................................460
UDP Helper with Congured Broadcast Addresses...................................................................................................461
UDP Helper with No Congured Broadcast Addresses.............................................................................................461
Troubleshooting UDP Helper.........................................................................................................................................461
22 IPv6 Routing............................................................................................................................................463
Protocol Overview.........................................................................................................................................................463
Extended Address Space........................................................................................................................................464
Stateless Autoconguration................................................................................................................................... 464
IPv6 Headers............................................................................................................................................................464
Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 465
IPv6 Header Fields...................................................................................................................................................466
Extension Header Fields..........................................................................................................................................468
Addressing................................................................................................................................................................ 469
Implementing IPv6 with Dell EMC Networking OS................................................................................................... 470
ICMPv6........................................................................................................................................................................... 470
Path MTU discovery......................................................................................................................................................470
IPv6 Neighbor Discovery...............................................................................................................................................471
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................472
Conguring the IPv6 Recursive DNS Server........................................................................................................472
Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 473
Displaying IPv6 RDNSS Information......................................................................................................................473
Secure Shell (SSH) Over an IPv6 Transport...............................................................................................................474
Conguration Tasks for IPv6.........................................................................................................................................474
Adjusting Your CAM-Prole.................................................................................................................................... 474
Assigning an IPv6 Address to an Interface........................................................................................................... 475
Assigning a Static IPv6 Route................................................................................................................................ 476
Conguring Telnet with IPv6.................................................................................................................................. 476
SNMP over IPv6...................................................................................................................................................... 477
16
Contents
Displaying IPv6 Information.....................................................................................................................................477
Displaying an IPv6 Interface Information...............................................................................................................477
Showing IPv6 Routes.............................................................................................................................................. 478
Showing the Running-Conguration for an Interface......................................................................................... 479
Clearing IPv6 Routes...............................................................................................................................................480
Disabling ND Entry Timeout................................................................................................................................... 480
Conguring IPv6 RA Guard...........................................................................................................................................481
Conguring IPv6 RA Guard on an Interface.........................................................................................................482
Monitoring IPv6 RA Guard......................................................................................................................................483
23 iSCSI Optimization...................................................................................................................................484
iSCSI Optimization Overview....................................................................................................................................... 484
Monitoring iSCSI Trac Flows...............................................................................................................................486
Application of Quality of Service to iSCSI Trac Flows..................................................................................... 486
Information Monitored in iSCSI Trac Flows.......................................................................................................486
Detection and Auto-Conguration for Dell EqualLogic Arrays............................................................................487
Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 487
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................488
Enable and Disable iSCSI Optimization................................................................................................................. 488
Default iSCSI Optimization Values...............................................................................................................................489
iSCSI Optimization Prerequisites................................................................................................................................. 489
Conguring iSCSI Optimization................................................................................................................................... 489
Displaying iSCSI Optimization Information.................................................................................................................. 491
24 Intermediate System to Intermediate System.......................................................................................... 493
IS-IS Protocol Overview................................................................................................................................................493
IS-IS Addressing.............................................................................................................................................................493
Multi-Topology IS-IS...................................................................................................................................................... 494
Transition Mode....................................................................................................................................................... 494
Interface Support.................................................................................................................................................... 495
Adjacencies...............................................................................................................................................................495
Graceful Restart............................................................................................................................................................ 495
Timers....................................................................................................................................................................... 495
Implementation Information......................................................................................................................................... 495
Conguration Information.............................................................................................................................................496
Conguration Tasks for IS-IS..................................................................................................................................497
Conguring the Distance of a Route.....................................................................................................................504
Changing the IS-Type..............................................................................................................................................505
Redistributing IPv4 Routes.....................................................................................................................................507
Redistributing IPv6 Routes.....................................................................................................................................508
Conguring Authentication Passwords.................................................................................................................509
Setting the Overload Bit.........................................................................................................................................509
Debugging IS-IS........................................................................................................................................................510
IS-IS Metric Styles.......................................................................................................................................................... 511
Congure Metric Values................................................................................................................................................. 511
Maximum Values in the Routing Table................................................................................................................... 512
Contents
17
Change the IS-IS Metric Style in One Level Only.................................................................................................512
Leaks from One Level to Another...........................................................................................................................513
Sample Congurations...................................................................................................................................................514
25 In-Service Software Upgrade................................................................................................................... 517
ISSU Introduction............................................................................................................................................................517
Warmboot Limitations.............................................................................................................................................. 517
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 517
L2 ISSU............................................................................................................................................................................518
L3 ISSU............................................................................................................................................................................518
CoPP................................................................................................................................................................................519
Mirroring ow control packets......................................................................................................................................519
PFC.................................................................................................................................................................................. 519
QoS.................................................................................................................................................................................. 519
Tunnel Conguration...................................................................................................................................................... 519
26 Link Aggregation Control Protocol (LACP)............................................................................................... 521
Introduction to Dynamic LAGs and LACP................................................................................................................... 521
Important Points to Remember.............................................................................................................................. 521
LACP Modes............................................................................................................................................................ 522
Conguring LACP Commands............................................................................................................................... 522
LACP Conguration Tasks............................................................................................................................................ 523
Creating a LAG.........................................................................................................................................................523
Conguring the LAG Interfaces as Dynamic........................................................................................................ 523
Setting the LACP Long Timeout............................................................................................................................524
Monitoring and Debugging LACP.......................................................................................................................... 524
Shared LAG State Tracking.......................................................................................................................................... 525
Conguring Shared LAG State Tracking...............................................................................................................525
Important Points about Shared LAG State Tracking........................................................................................... 527
LACP Basic Conguration Example.............................................................................................................................527
Congure a LAG on ALPHA....................................................................................................................................527
27 Layer 2.....................................................................................................................................................536
Manage the MAC Address Table................................................................................................................................. 536
Clearing the MAC Address Table........................................................................................................................... 536
Setting the Aging Time for Dynamic Entries........................................................................................................536
Conguring a Static MAC Address........................................................................................................................537
Displaying the MAC Address Table........................................................................................................................ 537
MAC Learning Limit....................................................................................................................................................... 537
Setting the MAC Learning Limit............................................................................................................................ 538
mac learning-limit Dynamic.................................................................................................................................... 538
mac learning-limit mac-address-sticky................................................................................................................. 538
mac learning-limit station-move............................................................................................................................ 539
mac learning-limit no-station-move...................................................................................................................... 539
Learning Limit Violation Actions.............................................................................................................................539
Setting Station Move Violation Actions................................................................................................................ 540
18
Contents
Recovering from Learning Limit and Station Move Violations...........................................................................540
Disabling MAC Address Learning on the System................................................................................................. 541
Enabling port security.............................................................................................................................................. 541
NIC Teaming....................................................................................................................................................................541
Congure Redundant Pairs...........................................................................................................................................542
Important Points about Conguring Redundant Pairs........................................................................................ 544
Far-End Failure Detection.............................................................................................................................................545
FEFD State Changes...............................................................................................................................................546
Conguring FEFD.................................................................................................................................................... 547
Enabling FEFD on an Interface...............................................................................................................................547
Debugging FEFD......................................................................................................................................................548
28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 550
802.1AB (LLDP) Overview........................................................................................................................................... 550
Protocol Data Units.................................................................................................................................................550
Optional TLVs..................................................................................................................................................................551
Management TLVs................................................................................................................................................... 551
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 553
TIA Organizationally Specic TLVs........................................................................................................................ 553
Congure LLDP..............................................................................................................................................................557
Related Conguration Tasks................................................................................................................................... 557
Important Points to Remember..............................................................................................................................557
LLDP Compatibility..................................................................................................................................................557
CONFIGURATION versus INTERFACE Congurations............................................................................................ 557
Enabling LLDP................................................................................................................................................................558
Disabling and Undoing LLDP..................................................................................................................................558
Enabling LLDP on Management Ports........................................................................................................................559
Disabling and Undoing LLDP on Management Ports..........................................................................................559
Advertising TLVs............................................................................................................................................................559
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................560
Reserved Unrecognized LLDP TLVs..................................................................................................................... 560
Organizational Specic Unrecognized LLDP TLVs...............................................................................................561
Viewing Unrecognized LLDP TLVs.........................................................................................................................561
Viewing the LLDP Conguration..................................................................................................................................561
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................562
Examples of Viewing Information Advertised by Neighbors.............................................................................. 562
Conguring LLDPDU Intervals.....................................................................................................................................564
Conguring LLDP Notication Interval....................................................................................................................... 564
Conguring Transmit and Receive Mode................................................................................................................... 565
Conguring the Time to Live Value............................................................................................................................. 565
Debugging LLDP............................................................................................................................................................566
Relevant Management Objects....................................................................................................................................567
29 Microsoft Network Load Balancing.......................................................................................................... 572
NLB Unicast Mode Scenario........................................................................................................................................ 572
NLB Multicast Mode Scenario..................................................................................................................................... 572
Contents
19
Limitations of the NLB Feature.................................................................................................................................... 573
Microsoft Clustering......................................................................................................................................................573
Enable and Disable VLAN Flooding .............................................................................................................................573
Conguring a Switch for NLB ..................................................................................................................................... 573
Enabling a Switch for Multicast NLB.....................................................................................................................574
30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 575
Protocol Overview.........................................................................................................................................................575
Anycast RP.....................................................................................................................................................................576
Implementation Information..........................................................................................................................................577
Congure Multicast Source Discovery Protocol........................................................................................................ 577
Related Conguration Tasks................................................................................................................................... 577
Enable MSDP..................................................................................................................................................................581
Manage the Source-Active Cache.............................................................................................................................. 582
Viewing the Source-Active Cache.........................................................................................................................582
Limiting the Source-Active Cache.........................................................................................................................582
Clearing the Source-Active Cache........................................................................................................................ 583
Enabling the Rejected Source-Active Cache....................................................................................................... 583
Accept Source-Active Messages that Fail the RFP Check......................................................................................583
Specifying Source-Active Messages...........................................................................................................................586
Limiting the Source-Active Messages from a Peer...................................................................................................587
Preventing MSDP from Caching a Local Source....................................................................................................... 587
Preventing MSDP from Caching a Remote Source.................................................................................................. 588
Preventing MSDP from Advertising a Local Source................................................................................................. 588
Logging Changes in Peership States...........................................................................................................................589
Terminating a Peership..................................................................................................................................................589
Clearing Peer Statistics.................................................................................................................................................590
Debugging MSDP..........................................................................................................................................................590
MSDP with Anycast RP................................................................................................................................................ 591
Conguring Anycast RP................................................................................................................................................592
Reducing Source-Active Message Flooding.........................................................................................................593
Specifying the RP Address Used in SA Messages.............................................................................................. 593
MSDP Sample Congurations..................................................................................................................................... 595
31 Multicast Listener Discovery Protocol...................................................................................................... 598
MLD Version 1................................................................................................................................................................ 598
MLD Querier Router......................................................................................................................................................598
Joining a Multicast Group.............................................................................................................................................599
Leaving a Multicast Group............................................................................................................................................599
MLD version 2................................................................................................................................................................599
MLD timers..................................................................................................................................................................... 601
Reducing Host Response Burstiness.................................................................................................................... 602
Conguring MLD Version..............................................................................................................................................602
Clearing MLD groups.....................................................................................................................................................602
Debugging MLD.............................................................................................................................................................602
Explicit Tracking............................................................................................................................................................. 602
20
Contents
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