Dell Networking S3100 Series Owner's manual

  • Hello! I am an AI chatbot trained to assist you with the Dell Networking S3100 Series Owner's manual. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
Dell EMC Conguration Guide for the S3100
Series
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...........................................................................................................................................35
Audience........................................................................................................................................................................... 35
Conventions......................................................................................................................................................................35
Related Documents......................................................................................................................................................... 35
2 Conguration Fundamentals........................................................................................................................ 36
Accessing the Command Line........................................................................................................................................36
CLI Modes.........................................................................................................................................................................36
Navigating CLI Modes............................................................................................................................................... 38
The do Command............................................................................................................................................................. 41
Undoing Commands.........................................................................................................................................................41
Obtaining Help..................................................................................................................................................................42
Entering and Editing Commands....................................................................................................................................42
Command History............................................................................................................................................................ 43
Filtering show Command Outputs.................................................................................................................................43
Example of the grep Keyword.................................................................................................................................. 43
Multiple Users in Conguration Mode...........................................................................................................................44
3 Getting Started............................................................................................................................................46
Console Access................................................................................................................................................................ 47
Serial Console............................................................................................................................................................. 47
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................48
Entering CLI commands Using an SSH Connection..............................................................................................48
Executing Local CLI Scripts Using an SSH Connection........................................................................................48
Default Conguration...................................................................................................................................................... 49
Conguring a Host Name............................................................................................................................................... 49
Accessing the System Remotely....................................................................................................................................49
Accessing the System Remotely..............................................................................................................................49
Congure the Management Port IP Address......................................................................................................... 49
Congure a Management Route..............................................................................................................................50
Conguring a Username and Password..................................................................................................................50
Conguring the Enable Password...................................................................................................................................51
Conguration File Management......................................................................................................................................51
Copy Files to and from the System......................................................................................................................... 52
Mounting an NFS File System..................................................................................................................................52
Save the Running-Conguration..............................................................................................................................54
Congure the Overload Bit for a Startup Scenario............................................................................................... 55
Viewing Files...............................................................................................................................................................55
Compressing Conguration Files............................................................................................................................. 56
Managing the File System.............................................................................................................................................. 58
Enabling Software Features on Devices Using a Command Option..........................................................................59
View Command History.................................................................................................................................................. 59
Contents
3
Upgrading Dell EMC Networking OS............................................................................................................................ 60
Verify Software Images Before Installation...................................................................................................................60
Using HTTP for File Transfers.........................................................................................................................................61
4 Management................................................................................................................................................62
Conguring Privilege Levels............................................................................................................................................62
Creating a Custom Privilege Level...........................................................................................................................62
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
Display the Logging Buer and the Logging Conguration..................................................................................68
Setting Up a Secure Connection to a Syslog Server.............................................................................................68
Sending System Messages to a Syslog Server...................................................................................................... 70
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
Log Messages in the Internal Buer.............................................................................................................................. 74
Conguration Task List for System Log Management...........................................................................................74
Disabling System Logging................................................................................................................................................74
Sending System Messages to a Syslog Server............................................................................................................ 75
Conguring a UNIX System as a Syslog Server.....................................................................................................75
Changing System Logging Settings...............................................................................................................................75
Display the Logging Buer and the Logging Conguration........................................................................................ 76
Conguring a UNIX Logging Facility Level....................................................................................................................76
Synchronizing Log Messages......................................................................................................................................... 77
Enabling Timestamp on Syslog Messages.................................................................................................................... 78
File Transfer Services.......................................................................................................................................................78
Conguration Task List for File Transfer Services..................................................................................................79
Enabling the FTP Server........................................................................................................................................... 79
Conguring FTP Server Parameters........................................................................................................................79
Conguring FTP Client Parameters.........................................................................................................................80
Terminal Lines...................................................................................................................................................................80
Denying and Permitting Access to a Terminal Line................................................................................................80
Conguring Login Authentication for Terminal Lines..............................................................................................81
4
Contents
Setting Timeout for EXEC Privilege Mode................................................................................................................... 82
Using Telnet to get to Another Network Device..........................................................................................................83
Lock CONFIGURATION Mode....................................................................................................................................... 83
Viewing the Conguration Lock Status...................................................................................................................83
Viewing the Reason for Last System Reboot...............................................................................................................84
5 802.1X......................................................................................................................................................... 85
Port-Authentication Process.......................................................................................................................................... 87
EAP over RADIUS...................................................................................................................................................... 87
Conguring 802.1X...........................................................................................................................................................88
Related Conguration Tasks..................................................................................................................................... 88
Important Points to Remember......................................................................................................................................88
Enabling 802.1X................................................................................................................................................................ 89
Conguring dot1x Prole ................................................................................................................................................90
Conguring MAC addresses for a do1x Prole..............................................................................................................91
Conguring the Static MAB and MAB Prole ..............................................................................................................91
Conguring Critical VLAN ..............................................................................................................................................92
Conguring Request Identity Re-Transmissions...........................................................................................................93
Conguring a Quiet Period after a Failed Authentication..................................................................................... 93
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 94
Re-Authenticating a Port................................................................................................................................................95
Conguring Timeouts......................................................................................................................................................96
Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................97
Guest and Authentication-Fail VLANs.......................................................................................................................... 98
Conguring a Guest VLAN....................................................................................................................................... 98
Conguring an Authentication-Fail VLAN...............................................................................................................98
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 100
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 100
Guidelines for Conguring ACL VLAN Groups............................................................................................................ 101
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters............................................... 101
Conguring ACL VLAN Groups...............................................................................................................................101
Conguring FP Blocks for VLAN Parameters.......................................................................................................102
Viewing CAM Usage...................................................................................................................................................... 103
Allocating FP Blocks for VLAN Processes.................................................................................................................. 104
7 Access Control Lists (ACLs)....................................................................................................................... 106
IP Access Control Lists (ACLs)..................................................................................................................................... 107
CAM Usage...............................................................................................................................................................108
Implementing ACLs on Dell EMC Networking OS................................................................................................108
Important Points to Remember.....................................................................................................................................110
Conguration Task List for Route Maps.................................................................................................................110
Conguring Match Routes.......................................................................................................................................112
Conguring Set Conditions......................................................................................................................................114
Congure a Route Map for Route Redistribution..................................................................................................115
Congure a Route Map for Route Tagging............................................................................................................ 115
Contents
5
Continue Clause........................................................................................................................................................ 116
IP Fragment Handling..................................................................................................................................................... 116
IP Fragments ACL Examples................................................................................................................................... 116
Layer 4 ACL Rules Examples....................................................................................................................................117
Congure a Standard IP ACL.........................................................................................................................................117
Conguring a Standard IP ACL Filter......................................................................................................................118
Congure an Extended IP ACL......................................................................................................................................119
Conguring Filters with a Sequence Number........................................................................................................119
Conguring Filters Without a Sequence Number................................................................................................. 121
Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 121
Assign an IP ACL to an Interface..................................................................................................................................122
Applying an IP ACL.........................................................................................................................................................122
Counting ACL Hits....................................................................................................................................................123
Congure Ingress ACLs................................................................................................................................................. 123
Congure Egress ACLs.................................................................................................................................................. 124
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 125
IP Prex Lists.................................................................................................................................................................. 125
Implementation Information.................................................................................................................................... 126
Conguration Task List for Prex Lists.................................................................................................................. 126
ACL Remarks.................................................................................................................................................................. 129
Conguring a Remark.............................................................................................................................................. 129
Deleting a Remark.................................................................................................................................................... 130
ACL Resequencing..........................................................................................................................................................131
Resequencing an ACL or Prex List........................................................................................................................131
Route Maps.....................................................................................................................................................................132
Implementation Information.................................................................................................................................... 132
Logging of ACL Processes............................................................................................................................................ 133
Guidelines for Conguring ACL Logging................................................................................................................134
Conguring ACL Logging.........................................................................................................................................134
Flow-Based Monitoring..................................................................................................................................................135
Behavior of Flow-Based Monitoring.......................................................................................................................135
Enabling Flow-Based Monitoring............................................................................................................................136
8 Bidirectional Forwarding Detection (BFD).................................................................................................. 138
How BFD Works............................................................................................................................................................. 138
BFD Packet Format..................................................................................................................................................139
BFD Sessions............................................................................................................................................................ 140
BFD Three-Way Handshake.....................................................................................................................................141
Session State Changes............................................................................................................................................143
Important Points to Remember.................................................................................................................................... 143
Congure BFD................................................................................................................................................................ 143
Congure BFD for Physical Ports...........................................................................................................................144
Congure BFD for Static Routes............................................................................................................................145
Congure BFD for IPv6 Static Routes...................................................................................................................149
Congure BFD for OSPF..........................................................................................................................................151
Congure BFD for OSPFv3.....................................................................................................................................155
6
Contents
Congure BFD for IS-IS...........................................................................................................................................158
Congure BFD for BGP...........................................................................................................................................160
Congure BFD for VRRP.........................................................................................................................................168
Conguring Protocol Liveness................................................................................................................................ 170
9 Border Gateway Protocol (BGP)................................................................................................................. 171
Border Gateway Protocol version 4 (BGPv4)..............................................................................................................171
Autonomous Systems (AS)............................................................................................................................................171
AS4 Number Representation.................................................................................................................................. 173
Four-Byte AS Numbers............................................................................................................................................175
Multiprotocol BGP..........................................................................................................................................................175
MBGP for IPv4 MulticastBGP Address Family modelIPv4 and IPv6 address family....................................... 176
Sessions and Peers.........................................................................................................................................................176
Establish a Session................................................................................................................................................... 176
Implementing BGP global and address family..............................................................................................................177
BGP global conguration default values................................................................................................................ 178
BGP Attributes for selecting Best Path.......................................................................................................................178
Best Path Selection Criteria.................................................................................................................................... 179
Weight........................................................................................................................................................................180
Local Preference........................................................................................................................................................181
Multi-Exit Discriminators (MEDs)........................................................................................................................... 181
Origin..........................................................................................................................................................................182
AS Path......................................................................................................................................................................183
Next Hop................................................................................................................................................................... 183
Implement BGP with Dell EMC Networking OS.........................................................................................................184
Additional Path (Add-Path) Support......................................................................................................................184
Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 184
Ignore Router-ID in Best-Path Calculation............................................................................................................ 185
AS Number Migration.............................................................................................................................................. 185
BGP4 Management Information Base (MIB)........................................................................................................186
Important Points to Remember.............................................................................................................................. 186
Conguration Information..............................................................................................................................................187
Conguring a basic BGP network.................................................................................................................................187
Enabling BGP.............................................................................................................................................................187
Conguring a BGP peer...........................................................................................................................................190
Conguring AS4 Number Representations............................................................................................................191
Conguring a BGP VRF address family................................................................................................................. 192
Route-refresh and Soft-reconguration................................................................................................................194
Aggregating Routes..................................................................................................................................................197
Filtering BGP Routes................................................................................................................................................197
Filtering BGP Routes Using Route Maps.............................................................................................................. 199
Filtering BGP Routes Using AS-PATH Information.............................................................................................. 199
Conguring Peer Groups........................................................................................................................................ 200
Conguring BGP Fast Fall-Over............................................................................................................................ 208
Conguring Passive Peering...................................................................................................................................209
Maintaining Existing AS Numbers During an AS Migration.................................................................................210
Contents
7
Allowing an AS Number to Appear in its Own AS Path........................................................................................211
Enabling Graceful Restart........................................................................................................................................212
Filtering on an AS-Path Attribute........................................................................................................................... 213
Regular Expressions as Filters.................................................................................................................................214
Redistributing Routes...............................................................................................................................................215
Enabling Additional Paths........................................................................................................................................ 216
Conguring IP Community Lists............................................................................................................................. 216
Conguring an IP Extended Community List........................................................................................................ 217
Filtering Routes with Community Lists..................................................................................................................218
Manipulating the COMMUNITY Attribute.............................................................................................................219
Changing MED Attributes.......................................................................................................................................220
Changing the LOCAL_PREFERENCE Attribute...................................................................................................221
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 221
Changing the WEIGHT Attribute...........................................................................................................................222
Enabling Multipath...................................................................................................................................................222
Route Reectors......................................................................................................................................................223
Conguring BGP Confederations.......................................................................................................................... 224
Enabling Route Flap Dampening............................................................................................................................ 224
Changing BGP Timers............................................................................................................................................. 227
Setting the extended timer.....................................................................................................................................227
Enabling or disabling BGP neighbors.....................................................................................................................228
Route Map Continue............................................................................................................................................... 229
Enabling MBGP Congurations................................................................................................................................... 230
MBGP support for IPv6................................................................................................................................................230
Conguring IPv6 MBGP between peers.................................................................................................................... 230
Example-Conguring IPv4 and IPv6 neighbors.......................................................................................................... 231
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor............................................... 233
BGP Regular Expression Optimization........................................................................................................................235
Debugging BGP............................................................................................................................................................. 235
Storing Last and Bad PDUs....................................................................................................................................236
Capturing PDUs....................................................................................................................................................... 237
PDU Counters.......................................................................................................................................................... 238
10 Content Addressable Memory (CAM).......................................................................................................239
CAM Allocation...............................................................................................................................................................239
Test CAM Usage.............................................................................................................................................................241
View CAM-ACL Settings............................................................................................................................................... 241
View CAM Usage...........................................................................................................................................................243
Conguring CAM Threshold and Silence Period........................................................................................................243
Setting CAM Threshold and Silence Period..........................................................................................................243
CAM Optimization......................................................................................................................................................... 244
Troubleshoot CAM Proling..........................................................................................................................................245
CAM Prole Mismatches........................................................................................................................................ 245
QoS CAM Region Limitation...................................................................................................................................245
11 Control Plane Policing (CoPP).................................................................................................................. 246
8
Contents
Congure Control Plane Policing..................................................................................................................................247
Conguring CoPP for Protocols............................................................................................................................ 248
Conguring CoPP for CPU Queues...................................................................................................................... 250
CoPP for OSPFv3 Packets..................................................................................................................................... 251
Conguring CoPP for OSPFv3.............................................................................................................................. 254
Displaying CoPP Conguration ............................................................................................................................. 254
12 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 257
DHCP Packet Format and Options..............................................................................................................................257
Assign an IP Address using DHCP...............................................................................................................................259
Implementation Information..........................................................................................................................................260
Congure the System to be a DHCP Server............................................................................................................. 260
Conguring the Server for Automatic Address Allocation...................................................................................261
Specifying a Default Gateway................................................................................................................................ 262
Congure a Method of Hostname Resolution..................................................................................................... 263
Using DNS for Address Resolution........................................................................................................................263
Using NetBIOS WINS for Address Resolution..................................................................................................... 263
Creating Manual Binding Entries............................................................................................................................263
Debugging the DHCP Server................................................................................................................................. 264
Using DHCP Clear Commands...............................................................................................................................264
Congure the System to be a Relay Agent................................................................................................................ 264
Congure the System to be a DHCP Client............................................................................................................... 266
Conguring the DHCP Client System...................................................................................................................266
DHCP Client on a Management Interface............................................................................................................ 267
DHCP Client Operation with Other Features.......................................................................................................268
DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 269
Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 269
Non-default VRF conguration for DHCPv6 helper address................................................................................... 270
Conguring DHCP relay source interface....................................................................................................................271
Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................ 271
Interface level DHCP relay source IPv4 or IPv6 conguration ...........................................................................271
Congure the System for User Port Stacking (Option 230)....................................................................................273
Congure Secure DHCP............................................................................................................................................... 273
Option 82.................................................................................................................................................................. 273
DHCP Snooping....................................................................................................................................................... 274
Drop DHCP Packets on Snooped VLANs Only.................................................................................................... 278
Dynamic ARP Inspection.........................................................................................................................................279
Conguring Dynamic ARP Inspection....................................................................................................................279
Source Address Validation............................................................................................................................................. 281
Enabling IP Source Address Validation...................................................................................................................281
DHCP MAC Source Address Validation................................................................................................................ 282
Enabling IP+MAC Source Address Validation.......................................................................................................282
Viewing the Number of SAV Dropped Packets....................................................................................................283
Clearing the Number of SAV Dropped Packets................................................................................................... 283
13 Equal Cost Multi-Path (ECMP)................................................................................................................ 284
Contents
9
ECMP for Flow-Based Anity.....................................................................................................................................284
Conguring the Hash Algorithm............................................................................................................................ 284
Enabling Deterministic ECMP Next Hop.............................................................................................................. 284
Conguring the Hash Algorithm Seed.................................................................................................................. 285
Link Bundle Monitoring................................................................................................................................................. 285
Managing ECMP Group Paths...............................................................................................................................286
Creating an ECMP Group Bundle..........................................................................................................................286
Modifying the ECMP Group Threshold.................................................................................................................286
14 FIPS Cryptography...................................................................................................................................288
Conguration Tasks....................................................................................................................................................... 288
Preparing the System....................................................................................................................................................288
Enabling FIPS Mode...................................................................................................................................................... 289
Generating Host-Keys...................................................................................................................................................289
Monitoring FIPS Mode Status......................................................................................................................................289
Disabling FIPS Mode..................................................................................................................................................... 290
15 Force10 Resilient Ring Protocol (FRRP)....................................................................................................291
Protocol Overview..........................................................................................................................................................291
Ring Status............................................................................................................................................................... 292
Multiple FRRP Rings................................................................................................................................................292
Important FRRP Points...........................................................................................................................................293
Important FRRP Concepts..................................................................................................................................... 294
Implementing FRRP...................................................................................................................................................... 295
FRRP Conguration...................................................................................................................................................... 295
Creating the FRRP Group...................................................................................................................................... 295
Conguring the Control VLAN...............................................................................................................................296
Conguring and Adding the Member VLANs.......................................................................................................297
Setting the FRRP Timers........................................................................................................................................298
Clearing the FRRP Counters..................................................................................................................................298
Viewing the FRRP Conguration...........................................................................................................................298
Viewing the FRRP Information.............................................................................................................................. 298
Troubleshooting FRRP.................................................................................................................................................. 299
Conguration Checks..............................................................................................................................................299
Sample Conguration and Topology............................................................................................................................299
16 GARP VLAN Registration Protocol (GVRP).............................................................................................. 301
Important Points to Remember.................................................................................................................................... 301
Congure GVRP............................................................................................................................................................ 302
Related Conguration Tasks...................................................................................................................................302
Enabling GVRP Globally................................................................................................................................................ 303
Enabling GVRP on a Layer 2 Interface........................................................................................................................303
Congure GVRP Registration...................................................................................................................................... 303
Congure a GARP Timer.............................................................................................................................................. 304
RPM Redundancy..........................................................................................................................................................304
10
Contents
17 High Availability (HA)............................................................................................................................... 306
Component Redundancy..............................................................................................................................................306
Automatic and Manual Stack Unit Failover.......................................................................................................... 306
Synchronization between Management and Standby Units.............................................................................. 307
Forcing a Stack Unit Failover..................................................................................................................................307
Disabling Auto-Reboot............................................................................................................................................ 308
Pre-Conguring a Stack Unit Slot............................................................................................................................... 308
Removing a Provisioned Logical Stack Unit............................................................................................................... 308
Hitless Behavior............................................................................................................................................................. 309
Graceful Restart............................................................................................................................................................ 309
Software Resiliency.......................................................................................................................................................309
Software Component Health Monitoring............................................................................................................. 309
System Health Monitoring.......................................................................................................................................310
Failure and Event Logging....................................................................................................................................... 310
Hot-Lock Behavior.......................................................................................................................................................... 311
18 Internet Group Management Protocol (IGMP).......................................................................................... 312
IGMP Implementation Information............................................................................................................................... 312
IGMP Protocol Overview...............................................................................................................................................312
IGMP Version 2.........................................................................................................................................................312
IGMP Version 3.........................................................................................................................................................314
Congure IGMP.............................................................................................................................................................. 317
Related Conguration Tasks....................................................................................................................................317
Viewing IGMP Enabled Interfaces................................................................................................................................318
Selecting an IGMP Version............................................................................................................................................318
Viewing IGMP Groups....................................................................................................................................................319
Adjusting Timers............................................................................................................................................................. 319
Adjusting Query and Response Timers..................................................................................................................319
Preventing a Host from Joining a Group.................................................................................................................... 320
Enabling IGMP Immediate-Leave.................................................................................................................................323
IGMP Snooping..............................................................................................................................................................323
IGMP Snooping Implementation Information....................................................................................................... 323
Conguring IGMP Snooping...................................................................................................................................323
Removing a Group-Port Association..................................................................................................................... 324
Disabling Multicast Flooding...................................................................................................................................324
Specifying a Port as Connected to a Multicast Router...................................................................................... 325
Conguring the Switch as Querier........................................................................................................................ 325
Fast Convergence after MSTP Topology Changes...................................................................................................326
Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................326
Protocol Separation.................................................................................................................................................326
Enabling and Disabling Management Egress Interface Selection...................................................................... 327
Handling of Management Route Conguration................................................................................................... 328
Handling of Switch-Initiated Trac....................................................................................................................... 329
Handling of Switch-Destined Trac......................................................................................................................329
Handling of Transit Trac (Trac Separation).................................................................................................... 330
Contents
11
Mapping of Management Applications and Trac Type.....................................................................................330
Behavior of Various Applications for Switch-Initiated Trac .............................................................................331
Behavior of Various Applications for Switch-Destined Trac ...........................................................................332
Interworking of EIS With Various Applications.....................................................................................................333
Designating a Multicast Router Interface................................................................................................................... 333
19 Interfaces.................................................................................................................................................335
Basic Interface Conguration.......................................................................................................................................335
Advanced Interface Conguration...............................................................................................................................335
Interface Types...............................................................................................................................................................336
Optional Modules...........................................................................................................................................................336
View Basic Interface Information................................................................................................................................. 337
Resetting an Interface to its Factory Default State...................................................................................................338
Enabling Energy Ecient Ethernet..............................................................................................................................339
View EEE Information................................................................................................................................................... 339
Clear EEE Counters.......................................................................................................................................................343
Enabling a Physical Interface........................................................................................................................................344
Physical Interfaces.........................................................................................................................................................344
Conguration Task List for Physical Interfaces....................................................................................................345
Overview of Layer Modes...................................................................................................................................... 345
Conguring Layer 2 (Data Link) Mode..................................................................................................................345
Conguring Layer 2 (Interface) Mode.................................................................................................................. 346
Conguring Layer 3 (Network) Mode...................................................................................................................346
Conguring Layer 3 (Interface) Mode...................................................................................................................347
Automatic recovery of an Err-disabled interface....................................................................................................... 347
Conguring an automatic recovery for an Err-disabled interface......................................................................348
Egress Interface Selection (EIS)..................................................................................................................................348
Important Points to Remember............................................................................................................................. 349
Conguring EIS........................................................................................................................................................ 349
Management Interfaces................................................................................................................................................349
Conguring Management Interfaces.....................................................................................................................349
Conguring a Management Interface on an Ethernet Port................................................................................ 351
VLAN Interfaces............................................................................................................................................................. 351
Loopback Interfaces......................................................................................................................................................352
Null Interfaces................................................................................................................................................................ 352
Port Channel Interfaces................................................................................................................................................353
Port Channel Denition and Standards.................................................................................................................353
Port Channel Benets.............................................................................................................................................353
Port Channel Implementation.................................................................................................................................353
Interfaces in Port Channels.................................................................................................................................... 354
Conguration Tasks for Port Channel Interfaces.................................................................................................354
Creating a Port Channel......................................................................................................................................... 354
Adding a Physical Interface to a Port Channel.....................................................................................................355
Reassigning an Interface to a New Port Channel................................................................................................356
Conguring the Minimum Oper Up Links in a Port Channel...............................................................................357
Adding or Removing a Port Channel from a VLAN............................................................................................. 357
12
Contents
Assigning an IP Address to a Port Channel.......................................................................................................... 359
Deleting or Disabling a Port Channel.....................................................................................................................359
Load Balancing Through Port Channels................................................................................................................359
Load-Balancing Method..........................................................................................................................................359
Changing the Hash Algorithm................................................................................................................................360
Bulk Conguration..........................................................................................................................................................361
Interface Range........................................................................................................................................................ 361
Bulk Conguration Examples..................................................................................................................................362
Dening Interface Range Macros................................................................................................................................ 363
Dene the Interface Range.................................................................................................................................... 363
Choosing an Interface-Range Macro.................................................................................................................... 363
Monitoring and Maintaining Interfaces....................................................................................................................... 364
Maintenance Using TDR.........................................................................................................................................365
Link Dampening............................................................................................................................................................. 365
Important Points to Remember............................................................................................................................. 366
Conguration Example of Link Dampening.......................................................................................................... 366
Enabling Link Dampening........................................................................................................................................368
Link Bundle Monitoring................................................................................................................................................. 369
Using Ethernet Pause Frames for Flow Control........................................................................................................ 370
Enabling Pause Frames........................................................................................................................................... 370
Congure the MTU Size on an Interface.....................................................................................................................371
Port-Pipes.......................................................................................................................................................................372
Auto-Negotiation on Ethernet Interfaces................................................................................................................... 372
Setting the Speed of Ethernet Interfaces.............................................................................................................372
Set Auto-Negotiation Options................................................................................................................................374
Provisioning Combo Ports............................................................................................................................................ 375
View Advanced Interface Information.........................................................................................................................375
Conguring the Interface Sampling Size...............................................................................................................376
Conguring the Trac Sampling Size Globally...........................................................................................................377
Dynamic Counters..........................................................................................................................................................378
Clearing Interface Counters....................................................................................................................................379
20 Internet Protocol Security (IPSec).......................................................................................................... 380
Conguring IPSec .........................................................................................................................................................380
21 IPv4 Routing.............................................................................................................................................382
IP Addresses...................................................................................................................................................................383
Implementation Information....................................................................................................................................383
Conguration Tasks for IP Addresses..........................................................................................................................383
Assigning IP Addresses to an Interface.......................................................................................................................383
Conguring Static Routes.............................................................................................................................................384
Congure Static Routes for the Management Interface..........................................................................................385
IPv4 Path MTU Discovery Overview.......................................................................................................................... 386
Packet handling during MTU mismatch................................................................................................................386
Using the Congured Source IP Address in ICMP Messages..................................................................................386
Conguring the ICMP Source Interface............................................................................................................... 386
Contents
13
Conguring the Duration to Establish a TCP Connection.........................................................................................387
Enabling Directed Broadcast.........................................................................................................................................387
Resolution of Host Names............................................................................................................................................387
Enabling Dynamic Resolution of Host Names............................................................................................................388
Specifying the Local System Domain and a List of Domains................................................................................... 388
Conguring DNS with Traceroute................................................................................................................................389
ARP................................................................................................................................................................................. 389
Conguration Tasks for ARP........................................................................................................................................ 390
Conguring Static ARP Entries....................................................................................................................................390
Enabling Proxy ARP.......................................................................................................................................................390
Clearing ARP Cache.......................................................................................................................................................391
ARP Learning via Gratuitous ARP................................................................................................................................ 391
Enabling ARP Learning via Gratuitous ARP.................................................................................................................391
ARP Learning via ARP Request....................................................................................................................................391
Conguring ARP Retries...............................................................................................................................................392
ICMP............................................................................................................................................................................... 393
Conguration Tasks for ICMP...................................................................................................................................... 393
Enabling ICMP Unreachable Messages...................................................................................................................... 393
UDP Helper.....................................................................................................................................................................393
Congure UDP Helper.............................................................................................................................................393
Important Points to Remember............................................................................................................................. 394
Enabling UDP Helper.....................................................................................................................................................394
Conguring a Broadcast Address................................................................................................................................ 394
Congurations Using UDP Helper............................................................................................................................... 395
UDP Helper with Broadcast-All Addresses.................................................................................................................395
UDP Helper with Subnet Broadcast Addresses.........................................................................................................396
UDP Helper with Congured Broadcast Addresses..................................................................................................396
UDP Helper with No Congured Broadcast Addresses............................................................................................ 397
Troubleshooting UDP Helper........................................................................................................................................ 397
22 IPv6 Routing............................................................................................................................................398
Protocol Overview.........................................................................................................................................................398
Extended Address Space........................................................................................................................................399
Stateless Autoconguration................................................................................................................................... 399
IPv6 Headers............................................................................................................................................................399
IPv6 Header Fields.................................................................................................................................................. 400
Extension Header Fields..........................................................................................................................................402
Addressing................................................................................................................................................................ 403
Implementing IPv6 with Dell EMC Networking OS...................................................................................................404
ICMPv6...........................................................................................................................................................................405
Path MTU discovery..................................................................................................................................................... 406
IPv6 Neighbor Discovery..............................................................................................................................................406
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................407
Conguration Task List for IPv6 RDNSS.....................................................................................................................407
Conguring the IPv6 Recursive DNS Server....................................................................................................... 407
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................408
14
Contents
Displaying IPv6 RDNSS Information......................................................................................................................409
Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................409
Conguration Tasks for IPv6.........................................................................................................................................410
Adjusting Your CAM-Prole.....................................................................................................................................410
Assigning an IPv6 Address to an Interface.............................................................................................................411
Assigning a Static IPv6 Route..................................................................................................................................411
Conguring Telnet with IPv6...................................................................................................................................412
SNMP over IPv6.......................................................................................................................................................412
Displaying IPv6 Information.....................................................................................................................................412
Displaying an IPv6 Interface Information............................................................................................................... 413
Showing IPv6 Routes...............................................................................................................................................413
Showing the Running-Conguration for an Interface..........................................................................................415
Clearing IPv6 Routes............................................................................................................................................... 415
Disabling ND Entry Timeout....................................................................................................................................415
Conguring IPv6 RA Guard...........................................................................................................................................416
Conguring IPv6 RA Guard on an Interface..........................................................................................................417
Monitoring IPv6 RA Guard...................................................................................................................................... 418
23 iSCSI Optimization................................................................................................................................... 419
iSCSI Optimization Overview........................................................................................................................................419
Monitoring iSCSI Trac Flows................................................................................................................................421
Application of Quality of Service to iSCSI Trac Flows...................................................................................... 421
Information Monitored in iSCSI Trac Flows........................................................................................................421
Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 422
Conguring Detection and Ports for Dell Compellent Arrays.............................................................................422
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................423
Enable and Disable iSCSI Optimization................................................................................................................. 423
Default iSCSI Optimization Values............................................................................................................................... 424
iSCSI Optimization Prerequisites..................................................................................................................................424
Conguring iSCSI Optimization....................................................................................................................................424
Displaying iSCSI Optimization Information..................................................................................................................426
24 Intermediate System to Intermediate System...........................................................................................428
IS-IS Protocol Overview................................................................................................................................................428
IS-IS Addressing.............................................................................................................................................................428
Multi-Topology IS-IS...................................................................................................................................................... 429
Transition Mode....................................................................................................................................................... 429
Interface Support.....................................................................................................................................................430
Adjacencies...............................................................................................................................................................430
Graceful Restart.............................................................................................................................................................430
Timers....................................................................................................................................................................... 430
Implementation Information..........................................................................................................................................430
Conguration Information..............................................................................................................................................431
Conguration Tasks for IS-IS..................................................................................................................................432
Conguring the Distance of a Route.....................................................................................................................439
Changing the IS-Type.............................................................................................................................................. 440
Contents
15
Redistributing IPv4 Routes.....................................................................................................................................442
Redistributing IPv6 Routes.....................................................................................................................................443
Conguring Authentication Passwords.................................................................................................................444
Setting the Overload Bit......................................................................................................................................... 444
Debugging IS-IS....................................................................................................................................................... 445
IS-IS Metric Styles.........................................................................................................................................................446
Congure Metric Values............................................................................................................................................... 446
Maximum Values in the Routing Table.................................................................................................................. 446
Change the IS-IS Metric Style in One Level Only................................................................................................446
Leaks from One Level to Another..........................................................................................................................448
Sample Congurations.................................................................................................................................................. 449
25 Link Aggregation Control Protocol (LACP)............................................................................................... 451
Introduction to Dynamic LAGs and LACP................................................................................................................... 451
Important Points to Remember.............................................................................................................................. 451
LACP Modes............................................................................................................................................................ 452
Conguring LACP Commands............................................................................................................................... 452
LACP Conguration Tasks............................................................................................................................................453
Creating a LAG.........................................................................................................................................................453
Conguring the LAG Interfaces as Dynamic........................................................................................................453
Setting the LACP Long Timeout............................................................................................................................454
Monitoring and Debugging LACP..........................................................................................................................454
Shared LAG State Tracking.......................................................................................................................................... 455
Conguring Shared LAG State Tracking...............................................................................................................455
Important Points about Shared LAG State Tracking........................................................................................... 457
LACP Basic Conguration Example.............................................................................................................................457
Congure a LAG on ALPHA................................................................................................................................... 457
26 Layer 2.....................................................................................................................................................466
Manage the MAC Address Table................................................................................................................................. 466
Clearing the MAC Address Table........................................................................................................................... 466
Setting the Aging Time for Dynamic Entries........................................................................................................466
Conguring a Static MAC Address........................................................................................................................ 467
Displaying the MAC Address Table........................................................................................................................ 467
MAC Learning Limit....................................................................................................................................................... 467
Setting the MAC Learning Limit............................................................................................................................ 468
mac learning-limit Dynamic.....................................................................................................................................468
mac learning-limit mac-address-sticky................................................................................................................. 468
mac learning-limit station-move............................................................................................................................ 469
mac learning-limit no-station-move...................................................................................................................... 469
Learning Limit Violation Actions.............................................................................................................................469
Setting Station Move Violation Actions................................................................................................................ 470
Recovering from Learning Limit and Station Move Violations........................................................................... 470
Disabling MAC Address Learning on the System..................................................................................................471
Enabling port security.............................................................................................................................................. 471
NIC Teaming.................................................................................................................................................................... 471
16
Contents
Congure Redundant Pairs...........................................................................................................................................472
Important Points about Conguring Redundant Pairs.........................................................................................474
Far-End Failure Detection............................................................................................................................................. 475
FEFD State Changes...............................................................................................................................................476
Conguring FEFD.....................................................................................................................................................477
Enabling FEFD on an Interface...............................................................................................................................477
Debugging FEFD...................................................................................................................................................... 478
27 Link Layer Discovery Protocol (LLDP)..................................................................................................... 480
802.1AB (LLDP) Overview............................................................................................................................................480
Protocol Data Units................................................................................................................................................. 480
Optional TLVs..................................................................................................................................................................481
Management TLVs................................................................................................................................................... 481
TIA-1057 (LLDP-MED) Overview................................................................................................................................ 483
TIA Organizationally Specic TLVs........................................................................................................................ 483
Congure LLDP..............................................................................................................................................................487
Related Conguration Tasks................................................................................................................................... 487
Important Points to Remember..............................................................................................................................487
LLDP Compatibility..................................................................................................................................................488
CONFIGURATION versus INTERFACE Congurations............................................................................................ 488
Enabling LLDP................................................................................................................................................................488
Disabling and Undoing LLDP.................................................................................................................................. 489
Enabling LLDP on Management Ports........................................................................................................................489
Disabling and Undoing LLDP on Management Ports.......................................................................................... 489
Advertising TLVs............................................................................................................................................................ 489
Storing and Viewing Unrecognized LLDP TLVs..........................................................................................................491
Reserved Unrecognized LLDP TLVs...................................................................................................................... 491
Organizational Specic Unrecognized LLDP TLVs...............................................................................................491
Viewing Unrecognized LLDP TLVs.........................................................................................................................491
Viewing the LLDP Conguration................................................................................................................................. 492
Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................492
Examples of Viewing Information Advertised by Neighbors...............................................................................492
Conguring LLDPDU Intervals..................................................................................................................................... 494
Conguring LLDP Notication Interval....................................................................................................................... 495
Conguring Transmit and Receive Mode....................................................................................................................495
Conguring the Time to Live Value............................................................................................................................. 496
Debugging LLDP............................................................................................................................................................496
Relevant Management Objects................................................................................................................................... 498
28 Microsoft Network Load Balancing.......................................................................................................... 503
NLB Unicast Mode Scenario........................................................................................................................................503
NLB Multicast Mode Scenario.....................................................................................................................................503
Limitations of the NLB Feature....................................................................................................................................504
Microsoft Clustering......................................................................................................................................................504
Enable and Disable VLAN Flooding ............................................................................................................................ 504
Conguring a Switch for NLB .....................................................................................................................................504
Contents
17
Enabling a Switch for Multicast NLB....................................................................................................................505
29 Multicast Source Discovery Protocol (MSDP).........................................................................................506
Protocol Overview.........................................................................................................................................................506
Anycast RP.....................................................................................................................................................................507
Implementation Information......................................................................................................................................... 508
Congure Multicast Source Discovery Protocol........................................................................................................508
Related Conguration Tasks...................................................................................................................................508
Enable MSDP..................................................................................................................................................................512
Manage the Source-Active Cache............................................................................................................................... 513
Viewing the Source-Active Cache......................................................................................................................... 513
Limiting the Source-Active Cache..........................................................................................................................513
Clearing the Source-Active Cache.........................................................................................................................514
Enabling the Rejected Source-Active Cache........................................................................................................ 514
Accept Source-Active Messages that Fail the RFP Check...................................................................................... 514
Specifying Source-Active Messages............................................................................................................................517
Limiting the Source-Active Messages from a Peer....................................................................................................518
Preventing MSDP from Caching a Local Source........................................................................................................518
Preventing MSDP from Caching a Remote Source................................................................................................... 519
Preventing MSDP from Advertising a Local Source.................................................................................................. 519
Logging Changes in Peership States...........................................................................................................................520
Terminating a Peership..................................................................................................................................................520
Clearing Peer Statistics..................................................................................................................................................521
Debugging MSDP...........................................................................................................................................................521
MSDP with Anycast RP................................................................................................................................................522
Conguring Anycast RP................................................................................................................................................523
Reducing Source-Active Message Flooding.........................................................................................................524
Specifying the RP Address Used in SA Messages.............................................................................................. 524
MSDP Sample Congurations......................................................................................................................................526
33 Multicast Listener Discovery Protocol..................................................................................................... 529
MLD Version 1................................................................................................................................................................ 529
MLD Querier Router......................................................................................................................................................529
Joining a Multicast Group.............................................................................................................................................530
Leaving a Multicast Group............................................................................................................................................530
MLD version 2................................................................................................................................................................530
MLD timers.....................................................................................................................................................................532
Reducing Host Response Burstiness.................................................................................................................... 533
Conguring MLD Version..............................................................................................................................................533
Clearing MLD groups.....................................................................................................................................................533
Debugging MLD.............................................................................................................................................................533
Explicit Tracking............................................................................................................................................................. 533
Reducing Leave Latency...............................................................................................................................................534
Displaying MLD groups table........................................................................................................................................534
Displaying MLD Interfaces............................................................................................................................................534
18
Contents
31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 535
Protocol Overview.........................................................................................................................................................535
Spanning Tree Variations.............................................................................................................................................. 536
Implementation Information................................................................................................................................... 536
Congure Multiple Spanning Tree Protocol................................................................................................................536
Related Conguration Tasks................................................................................................................................... 537
Enable Multiple Spanning Tree Globally.......................................................................................................................537
Adding and Removing Interfaces................................................................................................................................. 537
Creating Multiple Spanning Tree Instances................................................................................................................ 538
Inuencing MSTP Root Selection................................................................................................................................539
Interoperate with Non-Dell Bridges.............................................................................................................................539
Changing the Region Name or Revision..................................................................................................................... 540
Modifying Global Parameters.......................................................................................................................................540
Modifying the Interface Parameters............................................................................................................................ 541
Conguring an EdgePort.............................................................................................................................................. 542
Flush MAC Addresses after a Topology Change....................................................................................................... 543
MSTP Sample Congurations......................................................................................................................................543
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................544
Debugging and Verifying MSTP Congurations........................................................................................................ 547
32 Multicast Features...................................................................................................................................549
Enabling IP Multicast.....................................................................................................................................................549
Implementation Information......................................................................................................................................... 549
Multicast Policies...........................................................................................................................................................550
IPv4 Multicast Policies............................................................................................................................................550
Understanding Multicast Traceroute (mtrace).....................................................................................................557
Printing Multicast Traceroute (mtrace) Paths..................................................................................................... 558
Supported Error Codes...........................................................................................................................................559
mtrace Scenarios.....................................................................................................................................................560
33 Multicast Listener Discovery Protocol..................................................................................................... 566
MLD Version 1................................................................................................................................................................ 566
MLD Querier Router......................................................................................................................................................566
Joining a Multicast Group............................................................................................................................................. 567
Leaving a Multicast Group............................................................................................................................................567
MLD version 2................................................................................................................................................................567
MLD timers.....................................................................................................................................................................569
Reducing Host Response Burstiness.................................................................................................................... 570
Clearing MLD groups.....................................................................................................................................................570
Debugging MLD............................................................................................................................................................. 570
Explicit Tracking............................................................................................................................................................. 570
Reducing Leave Latency...............................................................................................................................................570
Displaying MLD groups table.........................................................................................................................................571
Displaying MLD Interfaces.............................................................................................................................................571
Contents
19
MLD Snooping................................................................................................................................................................ 571
Enable MLD Snooping..............................................................................................................................................571
Disable MLD Snooping............................................................................................................................................ 572
Congure the switch as a querier..........................................................................................................................572
Specify port as connected to multicast router.....................................................................................................572
Enable Snooping Explicit Tracking......................................................................................................................... 573
Display the MLD Snooping Table........................................................................................................................... 573
34 Object Tracking........................................................................................................................................574
Object Tracking Overview.............................................................................................................................................574
Track Layer 2 Interfaces..........................................................................................................................................575
Track Layer 3 Interfaces..........................................................................................................................................575
Track IPv4 and IPv6 Routes................................................................................................................................... 576
Set Tracking Delays..................................................................................................................................................577
VRRP Object Tracking.............................................................................................................................................577
Object Tracking Conguration......................................................................................................................................577
Tracking a Layer 2 Interface....................................................................................................................................577
Tracking a Layer 3 Interface................................................................................................................................... 578
Track an IPv4/IPv6 Route......................................................................................................................................580
Displaying Tracked Objects...........................................................................................................................................584
35 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 586
Protocol Overview.........................................................................................................................................................586
Autonomous System (AS) Areas........................................................................................................................... 586
Area Types................................................................................................................................................................ 587
Networks and Neighbors........................................................................................................................................588
Router Types............................................................................................................................................................ 588
Designated and Backup Designated Routers.......................................................................................................590
Link-State Advertisements (LSAs)........................................................................................................................590
Router Priority and Cost..........................................................................................................................................591
OSPF with Dell EMC Networking OS.........................................................................................................................592
Graceful Restart.......................................................................................................................................................593
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................594
Multi-Process OSPFv2 with VRF..........................................................................................................................594
OSPF ACK Packing................................................................................................................................................. 594
Setting OSPF Adjacency with Cisco Routers...................................................................................................... 594
Conguration Information.............................................................................................................................................595
Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 595
OSPFv3 NSSA............................................................................................................................................................... 609
NSSA Options..........................................................................................................................................................609
Conguration Task List for OSPFv3 (OSPF for IPv6)............................................................................................... 610
Enabling IPv6 Unicast Routing............................................................................................................................... 610
Applying cost for OSPFv3........................................................................................................................................611
Assigning IPv6 Addresses on an Interface.............................................................................................................611
Assigning Area ID on an Interface........................................................................................................................... 611
Assigning OSPFv3 Process ID and Router ID Globally.........................................................................................612
20
Contents
/