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PowerSwitch S3048-ON

Dell PowerSwitch S3048-ON, OS9 Administrator Guide

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Dell EMC Configuration Guide for the
S3048–ON System
9.14.2.8
September 2020
Rev. A00
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.
© 2020 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.
Chapter 1: About this Guide.........................................................................................................30
Audience.............................................................................................................................................................................. 30
Conventions........................................................................................................................................................................30
Related Documents...........................................................................................................................................................30
Chapter 2: Configuration Fundamentals.......................................................................................31
Accessing the Command Line......................................................................................................................................... 31
CLI Modes............................................................................................................................................................................31
Navigating CLI Modes................................................................................................................................................ 33
The do Command.............................................................................................................................................................. 35
Undoing Commands..........................................................................................................................................................36
Obtaining Help....................................................................................................................................................................36
Entering and Editing Commands....................................................................................................................................37
Command History..............................................................................................................................................................38
Filtering show Command Outputs.................................................................................................................................38
Multiple Users in Configuration Mode..........................................................................................................................39
Chapter 3: Getting Started..........................................................................................................40
Console Access..................................................................................................................................................................40
Serial Console...............................................................................................................................................................40
Accessing the CLI Interface and Running Scripts Using SSH.................................................................................41
Default Configuration....................................................................................................................................................... 42
Configuring a Host Name................................................................................................................................................ 42
Accessing the System Remotely................................................................................................................................... 42
Configure the Management Port IP Address........................................................................................................43
Configure a Management Route..............................................................................................................................43
Configuring a Username and Password................................................................................................................. 43
Configuring the Enable Password................................................................................................................................. 44
Configuration File Management.....................................................................................................................................45
Copy Files to and from the System........................................................................................................................ 45
Mounting an NFS File System..................................................................................................................................45
Save the Running-Configuration..............................................................................................................................47
Configure the Overload Bit for a Startup Scenario.............................................................................................47
Viewing Files................................................................................................................................................................. 47
Compressing Configuration Files............................................................................................................................. 48
Managing the File System...............................................................................................................................................50
Enabling Software Features on Devices Using a Command Option......................................................................51
View Command History.................................................................................................................................................... 51
Upgrading Dell EMC Networking OS............................................................................................................................53
Verify Software Images Before Installation................................................................................................................ 53
Using HTTP for File Transfers....................................................................................................................................... 54
Chapter 4: Management.............................................................................................................. 55
Configuring Privilege Levels........................................................................................................................................... 55
Contents
Contents 3
Removing a Command from EXEC Mode..............................................................................................................56
Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 56
Allowing Access to CONFIGURATION Mode Commands................................................................................. 56
Allowing Access to Different Modes...................................................................................................................... 56
Applying a Privilege Level to a Username..............................................................................................................58
Applying a Privilege Level to a Terminal Line....................................................................................................... 58
Configuring Logging......................................................................................................................................................... 58
Audit and Security Logs.............................................................................................................................................58
Configuring Logging Format .............................................................................................................................60
Display the Logging Buffer and the Logging Configuration..............................................................................60
Setting Up a Secure Connection to a Syslog Server................................................................................. 61
Sending System Messages to a Syslog Server.................................................................................................... 62
Track Login Activity..........................................................................................................................................................62
Restrictions for Tracking Login Activity................................................................................................................ 62
Configuring Login Activity Tracking........................................................................................................................63
Display Login Statistics.............................................................................................................................................. 63
Limit Concurrent Login Sessions...................................................................................................................................64
Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 65
Configuring Concurrent Session Limit................................................................................................................... 65
Enabling the System to Clear Existing Sessions..................................................................................................65
Enabling Secured CLI Mode............................................................................................................................................66
Log Messages in the Internal Buffer............................................................................................................................ 66
Disabling System Logging............................................................................................................................................... 66
Sending System Messages to a Syslog Server.......................................................................................................... 67
Configuring a UNIX System as a Syslog Server...................................................................................................67
Changing System Logging Settings..............................................................................................................................67
Display the Logging Buffer and the Logging Configuration....................................................................................68
Configuring a UNIX Logging Facility Level..................................................................................................................69
Synchronizing Log Messages......................................................................................................................................... 69
Enabling Timestamp on Syslog Messages...................................................................................................................70
File Transfer Services.......................................................................................................................................................73
Enabling the FTP Server............................................................................................................................................ 73
Configuring FTP Server Parameters.......................................................................................................................73
Configuring FTP Client Parameters........................................................................................................................ 74
Terminal Lines.....................................................................................................................................................................74
Denying and Permitting Access to a Terminal Line............................................................................................. 74
Configuring Login Authentication for Terminal Lines......................................................................................... 75
Setting Timeout for EXEC Privilege Mode..................................................................................................................76
Using Telnet to get to Another Network Device....................................................................................................... 77
Lock CONFIGURATION Mode........................................................................................................................................77
LPC Bus Quality Degradation......................................................................................................................................... 78
Reloading the system....................................................................................................................................................... 78
Viewing the Reason for Last System Reboot.............................................................................................................79
Chapter 5: 802.1X....................................................................................................................... 80
Port-Authentication Process...........................................................................................................................................81
EAP over RADIUS........................................................................................................................................................82
Configuring 802.1X............................................................................................................................................................83
Important Points to Remember..................................................................................................................................... 83
Configuring dot1x Profile ................................................................................................................................................83
4
Contents
Configuring MAC addresses for a do1x Profile.......................................................................................................... 83
Configuring the Static MAB and MAB Profile ...........................................................................................................84
Configuring Critical VLAN .............................................................................................................................................. 85
Enabling 802.1X..................................................................................................................................................................86
Configuring Request Identity Re-Transmissions........................................................................................................87
Configuring a Quiet Period after a Failed Authentication..................................................................................88
Forcibly Authorizing or Unauthorizing a Port............................................................................................................. 88
Re-Authenticating a Port................................................................................................................................................ 89
Configuring Timeouts....................................................................................................................................................... 90
Configuring Dynamic VLAN Assignment with Port Authentication....................................................................... 91
Guest and Authentication-Fail VLANs..........................................................................................................................92
Configuring a Guest VLAN........................................................................................................................................ 92
Configuring an Authentication-Fail VLAN............................................................................................................. 92
Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 94
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..............................................................94
Guidelines for Configuring ACL VLAN Groups...........................................................................................................95
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 95
Configuring ACL VLAN Groups................................................................................................................................95
Configuring FP Blocks for VLAN Parameters.......................................................................................................96
Viewing CAM Usage......................................................................................................................................................... 97
Allocating FP Blocks for VLAN Processes.................................................................................................................. 98
Chapter 7: Access Control Lists (ACLs).......................................................................................99
IP Access Control Lists (ACLs)....................................................................................................................................100
CAM Usage................................................................................................................................................................. 100
Implementing ACLs on Dell EMC Networking OS.............................................................................................. 101
Important Points to Remember....................................................................................................................................102
Configuration Task List for Route Maps.............................................................................................................. 103
Configuring Match Routes...................................................................................................................................... 105
Configuring Set Conditions..................................................................................................................................... 106
Configure a Route Map for Route Redistribution.............................................................................................. 106
Configure a Route Map for Route Tagging......................................................................................................... 107
Continue Clause......................................................................................................................................................... 107
IP Fragment Handling..................................................................................................................................................... 108
IP Fragments ACL Examples...................................................................................................................................108
Layer 4 ACL Rules Examples...................................................................................................................................108
Configure a Standard IP ACL........................................................................................................................................109
Configuring a Standard IP ACL Filter.................................................................................................................... 110
Configure an Extended IP ACL...................................................................................................................................... 111
Configuring Filters with a Sequence Number.......................................................................................................111
Configuring Filters Without a Sequence Number............................................................................................... 112
Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 112
Assign an IP ACL to an Interface..................................................................................................................................113
Applying an IP ACL...........................................................................................................................................................113
Counting ACL Hits......................................................................................................................................................114
Configure Ingress ACLs.................................................................................................................................................. 114
Configure Egress ACLs................................................................................................................................................... 115
Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................. 115
Contents
5
IP Prefix Lists.................................................................................................................................................................... 116
Configuration Task List for Prefix Lists................................................................................................................ 116
ACL Remarks..................................................................................................................................................................... 119
Configuring a Remark............................................................................................................................................... 120
Deleting a Remark......................................................................................................................................................120
ACL Resequencing........................................................................................................................................................... 121
Resequencing an ACL or Prefix List.......................................................................................................................121
Route Maps.......................................................................................................................................................................122
Logging of ACL Processes............................................................................................................................................ 123
Guidelines for Configuring ACL Logging.............................................................................................................. 123
Configuring ACL Logging......................................................................................................................................... 124
Flow-Based Monitoring.................................................................................................................................................. 124
Enabling Flow-Based Monitoring........................................................................................................................... 126
Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 128
How BFD Works...............................................................................................................................................................128
BFD Packet Format...................................................................................................................................................129
BFD Sessions.............................................................................................................................................................. 130
BFD Three-Way Handshake.....................................................................................................................................131
Session State Changes.............................................................................................................................................132
Important Points to Remember....................................................................................................................................132
Configure BFD.................................................................................................................................................................. 132
Configure BFD for Physical Ports..........................................................................................................................133
Configure BFD for Static Routes........................................................................................................................... 134
Configure BFD for IPv6 Static Routes................................................................................................................. 138
Configure BFD for OSPF......................................................................................................................................... 140
Configure BFD for OSPFv3..................................................................................................................................... 142
Configure BFD for IS-IS........................................................................................................................................... 145
Configure BFD for BGP............................................................................................................................................ 147
Configure BFD for VRRP......................................................................................................................................... 154
Configuring Protocol Liveness................................................................................................................................156
Chapter 9: Border Gateway Protocol (BGP)............................................................................... 157
BGP IP version 4 (BGPv4) Overview......................................................................................................................... 157
BGP Autonomous Systems......................................................................................................................................157
AS4 Number Representation.................................................................................................................................. 159
Four-Byte AS Numbers............................................................................................................................................. 161
BGP router ID.............................................................................................................................................................. 161
Sessions and Peers.................................................................................................................................................... 161
Establish a Session..................................................................................................................................................... 161
BGP Attributes for selecting Best Path............................................................................................................... 162
Multiprotocol BGP..................................................................................................................................................... 167
BGP global and address family configuration......................................................................................................168
Implement BGP with Dell EMC Networking OS................................................................................................. 169
Configuration Information........................................................................................................................................ 172
Basic BGP configuration tasks..................................................................................................................................... 173
Prerequisite for configuring a BGP network....................................................................................................... 173
Restrictions..................................................................................................................................................................173
Enabling BGP...............................................................................................................................................................173
6
Contents
Enabling four-byte autonomous system numbers..............................................................................................175
Changing a BGP router ID........................................................................................................................................176
Configuring AS4 Number Representations..........................................................................................................176
Configuring a BGP peer............................................................................................................................................177
Example-Configuring BGP routing between peers............................................................................................ 178
BGP peer group..........................................................................................................................................................179
Advanced BGP configuration tasks.............................................................................................................................186
Route-refresh and Soft-reconfiguration..............................................................................................................186
Aggregating Routes...................................................................................................................................................188
Filtering BGP...............................................................................................................................................................190
Configuring BGP Fast Fall-Over.............................................................................................................................195
Configuring Passive Peering....................................................................................................................................197
Enabling Graceful Restart........................................................................................................................................198
Redistributing Routes............................................................................................................................................... 199
Enabling Additional Paths........................................................................................................................................ 199
Configuring IP Community Lists............................................................................................................................200
Configuring an IP Extended Community List...................................................................................................... 201
Configure BGP attributes........................................................................................................................................202
Enabling Multipath.................................................................................................................................................... 206
Route Reflectors....................................................................................................................................................... 206
Enabling Route Flap Dampening............................................................................................................................ 207
Changing BGP keepalive and hold timers........................................................................................................... 209
Setting the extended timer..................................................................................................................................... 210
Enabling or disabling BGP neighbors.....................................................................................................................210
Route Map Continue................................................................................................................................................. 212
Configuring BGP Confederations...........................................................................................................................212
Configuring a BGP VRF address family................................................................................................................ 213
Maintaining Existing AS Numbers During an AS Migration..............................................................................214
Allowing an AS Number to Appear in its Own AS Path.................................................................................... 215
Enabling MBGP Configurations.............................................................................................................................. 215
MBGP support for IPv6............................................................................................................................................216
Configuring IPv6 MBGP between peers.............................................................................................................. 216
Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 217
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor................................... 219
BGP Regular Expression Optimization.................................................................................................................220
Debugging BGP.......................................................................................................................................................... 221
Chapter 10: Content Addressable Memory (CAM)......................................................................223
CAM Allocation................................................................................................................................................................ 223
Test CAM Usage............................................................................................................................................................. 225
View CAM-ACL Settings...............................................................................................................................................225
View CAM Usage.............................................................................................................................................................227
Configuring CAM Threshold and Silence Period......................................................................................................227
CAM Optimization...........................................................................................................................................................228
Troubleshoot CAM Profiling......................................................................................................................................... 228
QoS CAM Region Limitation...................................................................................................................................228
Chapter 11: Control Plane Policing (CoPP)................................................................................ 230
Configure Control Plane Policing................................................................................................................................. 231
Contents
7
Configuring CoPP for Protocols............................................................................................................................232
Configuring CoPP for CPU Queues......................................................................................................................233
CoPP for OSPFv3 Packets.....................................................................................................................................234
Configuring CoPP for OSPFv3.............................................................................................................................. 237
Displaying CoPP Configuration .............................................................................................................................238
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 240
DHCP Packet Format and Options.............................................................................................................................240
Assign an IP Address using DHCP.............................................................................................................................. 242
Implementation Information..........................................................................................................................................242
Configure the System to be a DHCP Server............................................................................................................243
Configuring the Server for Automatic Address Allocation.............................................................................. 243
Specifying a Default Gateway................................................................................................................................244
Configure a Method of Hostname Resolution....................................................................................................245
Using DNS for Address Resolution....................................................................................................................... 245
Using NetBIOS WINS for Address Resolution....................................................................................................245
Creating Manual Binding Entries........................................................................................................................... 245
Debugging the DHCP Server..................................................................................................................................246
Using DHCP Clear Commands...............................................................................................................................246
Configure the System to be a Relay Agent.............................................................................................................. 246
Configure the System to be a DHCP Client............................................................................................................. 248
Configuring the DHCP Client System.................................................................................................................. 248
DHCP Client on a Management Interface...........................................................................................................249
DHCP Client Operation with Other Features.....................................................................................................250
DHCP Relay When DHCP Server and Client are in Different VRFs.................................................................... 251
Configuring Route Leaking between VRFs on DHCP Relay Agent................................................................251
Non-default VRF configuration for DHCPv6 helper address...............................................................................252
Configuring DHCP relay source interface.................................................................................................................252
Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................252
Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................253
Configure the System for User Port Stacking (Option 230)............................................................................... 254
Configure Secure DHCP................................................................................................................................................254
Option 82 (DHCPv4 relay options).......................................................................................................................254
DHCPv6 relay agent options..................................................................................................................................255
DHCP Snooping.........................................................................................................................................................255
Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 260
Dynamic ARP Inspection......................................................................................................................................... 260
Configuring Dynamic ARP Inspection.................................................................................................................. 260
Source Address Validation............................................................................................................................................ 262
Enabling IP Source Address Validation................................................................................................................ 262
DHCP MAC Source Address Validation............................................................................................................... 262
Enabling IP+MAC Source Address Validation.................................................................................................... 263
Viewing the Number of SAV Dropped Packets................................................................................................. 263
Clearing the Number of SAV Dropped Packets.................................................................................................264
Chapter 13: Equal Cost Multi-Path (ECMP)............................................................................... 265
ECMP for Flow-Based Affinity.................................................................................................................................... 265
Configuring the Hash Algorithm............................................................................................................................265
Enabling Deterministic ECMP Next Hop............................................................................................................. 265
8
Contents
Configuring the Hash Algorithm Seed..................................................................................................................266
Link Bundle Monitoring..................................................................................................................................................266
Managing ECMP Group Paths............................................................................................................................... 267
Creating an ECMP Group Bundle..........................................................................................................................267
Modifying the ECMP Group Threshold................................................................................................................267
Chapter 14: FIPS Cryptography................................................................................................. 269
Configuration Tasks....................................................................................................................................................... 269
Preparing the System.................................................................................................................................................... 269
Enabling FIPS Mode....................................................................................................................................................... 270
Generating Host-Keys....................................................................................................................................................270
Monitoring FIPS Mode Status......................................................................................................................................270
Disabling FIPS Mode....................................................................................................................................................... 271
Chapter 15: Force10 Resilient Ring Protocol (FRRP)..................................................................272
Protocol Overview.......................................................................................................................................................... 272
Ring Status................................................................................................................................................................. 273
Multiple FRRP Rings.................................................................................................................................................273
Important FRRP Points............................................................................................................................................274
Important FRRP Concepts......................................................................................................................................275
Implementing FRRP........................................................................................................................................................ 275
FRRP Configuration........................................................................................................................................................276
Creating the FRRP Group....................................................................................................................................... 276
Configuring the Control VLAN............................................................................................................................... 276
Configuring and Adding the Member VLANs......................................................................................................277
Setting the FRRP Timers.........................................................................................................................................278
Clearing the FRRP Counters.................................................................................................................................. 278
Viewing the FRRP Configuration...........................................................................................................................278
Viewing the FRRP Information...............................................................................................................................278
Troubleshooting FRRP...................................................................................................................................................279
Sample Configuration and Topology...........................................................................................................................279
FRRP Support on VLT................................................................................................................................................... 280
Chapter 16: GARP VLAN Registration Protocol (GVRP)............................................................. 283
Configure GVRP..............................................................................................................................................................284
Enabling GVRP Globally.................................................................................................................................................284
Enabling GVRP on a Layer 2 Interface...................................................................................................................... 285
Configure GVRP Registration...................................................................................................................................... 285
Configure a GARP Timer...............................................................................................................................................286
RPM Redundancy........................................................................................................................................................... 286
Chapter 17: High Availability (HA)..............................................................................................287
Component Redundancy............................................................................................................................................... 287
Automatic and Manual Stack Unit Failover.........................................................................................................287
Synchronization between Management and Standby Units...........................................................................288
Forcing a Stack Unit Failover.................................................................................................................................288
Specifying an Auto-Failover Limit......................................................................................................................... 288
Disabling Auto-Reboot.............................................................................................................................................289
Pre-Configuring a Stack Unit Slot.............................................................................................................................. 289
Contents
9
Removing a Provisioned Logical Stack Unit............................................................................................................. 289
Hitless Behavior...............................................................................................................................................................289
Graceful Restart..............................................................................................................................................................289
Software Resiliency........................................................................................................................................................290
Software Component Health Monitoring............................................................................................................290
System Health Monitoring...................................................................................................................................... 290
Failure and Event Logging...................................................................................................................................... 290
Hot-Lock Behavior.......................................................................................................................................................... 291
Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 292
IGMP Protocol Overview.............................................................................................................................................. 292
IGMP Version 2..........................................................................................................................................................292
IGMP Version 3..........................................................................................................................................................294
Configure IGMP...............................................................................................................................................................296
Viewing IGMP Enabled Interfaces...............................................................................................................................297
Selecting an IGMP Version........................................................................................................................................... 297
Viewing IGMP Groups....................................................................................................................................................298
Adjusting Timers..............................................................................................................................................................298
Adjusting Query and Response Timers................................................................................................................ 298
Preventing a Host from Joining a Group...................................................................................................................299
Enabling IGMP Immediate-Leave.................................................................................................................................301
IGMP Snooping................................................................................................................................................................302
Configuring IGMP Snooping................................................................................................................................... 302
Removing a Group-Port Association.................................................................................................................... 302
Disabling Multicast Flooding................................................................................................................................... 303
Specifying a Port as Connected to a Multicast Router................................................................................... 303
Configuring the Switch as Querier........................................................................................................................303
Fast Convergence after MSTP Topology Changes................................................................................................304
Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................304
Designating a Multicast Router Interface...................................................................................................................311
Chapter 19: Interfaces............................................................................................................... 312
Interface Types................................................................................................................................................................ 313
View Basic Interface Information.................................................................................................................................313
Resetting an Interface to its Factory Default State............................................................................................... 315
Enabling a Physical Interface........................................................................................................................................315
Enabling Energy Efficient Ethernet............................................................................................................................. 316
View EEE Information..................................................................................................................................................... 316
Clear EEE Counters........................................................................................................................................................320
Physical Interfaces.......................................................................................................................................................... 321
Configuration Task List for Physical Interfaces..................................................................................................321
Overview of Layer Modes........................................................................................................................................321
Configuring Layer 2 (Data Link) Mode................................................................................................................. 321
Configuring Layer 2 (Interface) Mode................................................................................................................. 322
Configuring Layer 3 (Network) Mode..................................................................................................................322
Configuring Layer 3 (Interface) Mode................................................................................................................. 323
Automatic recovery of an Err-disabled interface....................................................................................................323
Configuring an automatic recovery for an Err-disabled interface.................................................................324
Egress Interface Selection (EIS).................................................................................................................................324
10
Contents
Configuring EIS..........................................................................................................................................................325
Management Interfaces................................................................................................................................................ 325
Configuring Management Interfaces....................................................................................................................325
Configuring a Management Interface on an Ethernet Port............................................................................326
VLAN Interfaces.............................................................................................................................................................. 327
Loopback Interfaces.......................................................................................................................................................328
Null Interfaces..................................................................................................................................................................328
Configuring Port Delay.................................................................................................................................................. 328
Port Channel Interfaces................................................................................................................................................ 329
Port Channel Definition and Standards............................................................................................................... 329
Port Channel Benefits..............................................................................................................................................329
Port Channel Implementation.................................................................................................................................329
Interfaces in Port Channels.................................................................................................................................... 330
Configuration Tasks for Port Channel Interfaces............................................................................................. 330
Creating a Port Channel.......................................................................................................................................... 330
Adding a Physical Interface to a Port Channel................................................................................................... 331
Reassigning an Interface to a New Port Channel............................................................................................. 332
Configuring the Minimum Oper Up Links in a Port Channel...........................................................................333
Adding or Removing a Port Channel from a VLAN........................................................................................... 333
Assigning an IP Address to a Port Channel.........................................................................................................334
Deleting or Disabling a Port Channel.................................................................................................................... 334
Load Balancing Through Port Channels.............................................................................................................. 335
Changing the Hash Algorithm................................................................................................................................ 335
Bulk Configuration.......................................................................................................................................................... 336
Interface Range......................................................................................................................................................... 336
Bulk Configuration Examples..................................................................................................................................336
Defining Interface Range Macros............................................................................................................................... 338
Define the Interface Range.....................................................................................................................................338
Choosing an Interface-Range Macro................................................................................................................... 338
Monitoring and Maintaining Interfaces......................................................................................................................339
Maintenance Using TDR..........................................................................................................................................340
Configuring wavelength for 10–Gigabit SFP+ optics.............................................................................................340
Link Dampening............................................................................................................................................................... 340
Enabling Link Dampening.........................................................................................................................................343
Link Bundle Monitoring.................................................................................................................................................. 344
Using Ethernet Pause Frames for Flow Control......................................................................................................344
Enabling Pause Frames............................................................................................................................................345
Configure the MTU Size on an Interface.................................................................................................................. 345
Port-Pipes.........................................................................................................................................................................346
Auto-Negotiation on Ethernet Interfaces................................................................................................................. 346
Setting the Speed of Ethernet Interfaces...........................................................................................................347
Set Auto-Negotiation Options............................................................................................................................... 348
View Advanced Interface Information....................................................................................................................... 348
Configuring the Interface Sampling Size.............................................................................................................349
Configuring the Traffic Sampling Size Globally....................................................................................................... 350
Dynamic Counters........................................................................................................................................................... 351
Clearing Interface Counters................................................................................................................................... 352
Discard Counters.............................................................................................................................................................352
Display discard counters..........................................................................................................................................353
Contents
11
Chapter 20: Internet Protocol Security (IPSec).........................................................................355
Configuring IPSec ..........................................................................................................................................................355
Chapter 21: IPv4 Routing........................................................................................................... 357
IP Addresses.....................................................................................................................................................................358
Configuration Tasks for IP Addresses........................................................................................................................358
Assigning IP Addresses to an Interface.....................................................................................................................358
Configuring Static Routes............................................................................................................................................ 359
Adding description for IPv4 and IPv6 static routes..........................................................................................360
Configure Static Routes for the Management Interface.......................................................................................361
IPv4 Path MTU Discovery Overview.......................................................................................................................... 361
Using the Configured Source IP Address in ICMP Messages..............................................................................362
Configuring the Duration to Establish a TCP Connection.....................................................................................362
Enabling Directed Broadcast........................................................................................................................................362
Resolution of Host Names............................................................................................................................................ 363
Enabling Dynamic Resolution of Host Names.......................................................................................................... 363
Specifying the Local System Domain and a List of Domains................................................................................364
Configuring DNS with Traceroute.............................................................................................................................. 364
ARP.................................................................................................................................................................................... 365
Configuration Tasks for ARP....................................................................................................................................... 365
Configuring Static ARP Entries................................................................................................................................... 365
Enabling Proxy ARP........................................................................................................................................................366
Clearing ARP Cache....................................................................................................................................................... 366
ARP Learning via Gratuitous ARP...............................................................................................................................366
Enabling ARP Learning via Gratuitous ARP..............................................................................................................366
ARP Learning via ARP Request................................................................................................................................... 367
Configuring ARP Retries................................................................................................................................................367
ICMP.................................................................................................................................................................................. 368
Configuration Tasks for ICMP..................................................................................................................................... 368
Enabling ICMP Unreachable Messages..................................................................................................................... 368
ICMP Redirects............................................................................................................................................................... 368
UDP Helper.......................................................................................................................................................................369
Enabling UDP Helper...................................................................................................................................................... 370
Configurations Using UDP Helper...............................................................................................................................370
UDP Helper with Broadcast-All Addresses............................................................................................................... 370
UDP Helper with Subnet Broadcast Addresses........................................................................................................371
UDP Helper with Configured Broadcast Addresses................................................................................................ 371
UDP Helper with No Configured Broadcast Addresses.........................................................................................372
Troubleshooting UDP Helper........................................................................................................................................372
Chapter 22: IPv6 Routing.......................................................................................................... 373
Protocol Overview.......................................................................................................................................................... 373
Extended Address Space.........................................................................................................................................373
Stateless Autoconfiguration................................................................................................................................... 373
IPv6 Headers.............................................................................................................................................................. 374
IPv6 Header Fields.................................................................................................................................................... 375
Extension Header Fields.......................................................................................................................................... 376
Addressing...................................................................................................................................................................377
12
Contents
Implementing IPv6 with Dell EMC Networking OS.................................................................................................378
ICMPv6..............................................................................................................................................................................380
Path MTU discovery...................................................................................................................................................... 380
IPv6 Neighbor Discovery...............................................................................................................................................380
IPv6 Neighbor Discovery of MTU Packets..........................................................................................................381
Configuration Task List for IPv6 RDNSS................................................................................................................... 381
Configuring the IPv6 Recursive DNS Server...................................................................................................... 381
Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 382
Displaying IPv6 RDNSS Information..................................................................................................................... 383
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................383
Configuration Tasks for IPv6....................................................................................................................................... 384
Adjusting Your CAM-Profile....................................................................................................................................384
Assigning an IPv6 Address to an Interface......................................................................................................... 384
Assigning a Static IPv6 Route................................................................................................................................385
Configuring Telnet with IPv6................................................................................................................................. 385
SNMP over IPv6........................................................................................................................................................386
Displaying IPv6 Information.................................................................................................................................... 386
Displaying an IPv6 Interface Information............................................................................................................ 386
Showing IPv6 Routes............................................................................................................................................... 387
Showing the Running-Configuration for an Interface......................................................................................388
Clearing IPv6 Routes................................................................................................................................................388
Disabling ND Entry Timeout....................................................................................................................................389
Configuring IPv6 RA Guard.......................................................................................................................................... 389
Configuring IPv6 RA Guard on an Interface........................................................................................................391
Monitoring IPv6 RA Guard.......................................................................................................................................391
Chapter 23: Intermediate System to Intermediate System.........................................................392
IS-IS Protocol Overview................................................................................................................................................392
IS-IS Addressing.............................................................................................................................................................. 392
Multi-Topology IS-IS...................................................................................................................................................... 393
Transition Mode.........................................................................................................................................................393
Interface Support......................................................................................................................................................393
Adjacencies.................................................................................................................................................................393
Graceful Restart..............................................................................................................................................................394
Timers.......................................................................................................................................................................... 394
Implementation Information..........................................................................................................................................394
Configuration Information.............................................................................................................................................395
Configuration Tasks for IS-IS.................................................................................................................................395
Configuring the Distance of a Route....................................................................................................................402
Changing the IS-Type.............................................................................................................................................. 402
Redistributing IPv4 Routes..................................................................................................................................... 405
Redistributing IPv6 Routes.....................................................................................................................................405
Configuring Authentication Passwords............................................................................................................... 406
Setting the Overload Bit......................................................................................................................................... 406
Debugging IS-IS......................................................................................................................................................... 407
IS-IS Metric Styles..........................................................................................................................................................408
Configure Metric Values................................................................................................................................................408
Maximum Values in the Routing Table.................................................................................................................408
Change the IS-IS Metric Style in One Level Only............................................................................................. 408
Leaks from One Level to Another..........................................................................................................................410
Contents
13
Sample Configurations................................................................................................................................................... 410
Chapter 24: Link Aggregation Control Protocol (LACP)..............................................................413
Introduction to Dynamic LAGs and LACP..................................................................................................................413
Important Points to Remember..............................................................................................................................413
LACP Modes............................................................................................................................................................... 414
Configuring LACP Commands................................................................................................................................ 414
LACP Configuration Tasks.............................................................................................................................................414
Creating a LAG........................................................................................................................................................... 415
Configuring the LAG Interfaces as Dynamic....................................................................................................... 415
Setting the LACP Long Timeout............................................................................................................................ 416
Monitoring and Debugging LACP...........................................................................................................................416
Shared LAG State Tracking...........................................................................................................................................416
Configuring Shared LAG State Tracking.............................................................................................................. 417
Important Points about Shared LAG State Tracking........................................................................................ 418
LACP Basic Configuration Example.............................................................................................................................419
Configure a LAG on ALPHA.................................................................................................................................... 419
Chapter 25: Layer 2................................................................................................................... 427
Manage the MAC Address Table.................................................................................................................................427
Clearing the MAC Address Table...........................................................................................................................427
Setting the Aging Time for Dynamic Entries...................................................................................................... 427
Configuring a Static MAC Address.......................................................................................................................428
Displaying the MAC Address Table.......................................................................................................................428
MAC Learning Limit........................................................................................................................................................428
Setting the MAC Learning Limit............................................................................................................................ 429
mac learning-limit Dynamic..................................................................................................................................... 429
mac learning-limit mac-address-sticky................................................................................................................ 429
mac learning-limit station-move............................................................................................................................ 429
mac learning-limit no-station-move......................................................................................................................430
Learning Limit Violation Actions............................................................................................................................ 430
Setting Station Move Violation Actions...............................................................................................................430
Recovering from Learning Limit and Station Move Violations........................................................................431
Disabling MAC Address Learning on the System...............................................................................................431
Enabling port security.............................................................................................................................................. 432
NIC Teaming.....................................................................................................................................................................432
Configure Redundant Pairs...........................................................................................................................................433
Far-End Failure Detection.............................................................................................................................................436
FEFD State Changes................................................................................................................................................436
Configuring FEFD...................................................................................................................................................... 437
Enabling FEFD on an Interface.............................................................................................................................. 438
Debugging FEFD........................................................................................................................................................439
Chapter 26: Link Layer Discovery Protocol (LLDP).................................................................... 440
802.1AB (LLDP) Overview............................................................................................................................................440
Protocol Data Units.................................................................................................................................................. 440
Optional TLVs...................................................................................................................................................................442
Management TLVs....................................................................................................................................................442
TIA-1057 (LLDP-MED) Overview................................................................................................................................443
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TIA Organizationally Specific TLVs....................................................................................................................... 444
Configure LLDP............................................................................................................................................................... 447
CONFIGURATION versus INTERFACE Configurations......................................................................................... 448
Enabling LLDP..................................................................................................................................................................448
Disabling and Undoing LLDP...................................................................................................................................448
Enabling LLDP on Management Ports....................................................................................................................... 449
Disabling and Undoing LLDP on Management Ports........................................................................................449
Advertising TLVs............................................................................................................................................................. 449
Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 450
Viewing the LLDP Configuration..................................................................................................................................451
Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................452
Examples of Viewing Information Advertised by Neighbors...........................................................................452
Configuring LLDPDU Intervals.....................................................................................................................................454
Configuring LLDP Notification Interval......................................................................................................................455
Configuring LLDP Notification Interval......................................................................................................................455
Configuring Transmit and Receive Mode..................................................................................................................455
Configuring the Time to Live Value............................................................................................................................ 456
Debugging LLDP..............................................................................................................................................................457
Relevant Management Objects................................................................................................................................... 458
Chapter 27: Microsoft Network Load Balancing......................................................................... 463
Configuring a Switch for NLB .....................................................................................................................................464
Enabling a Switch for Multicast NLB................................................................................................................... 465
Chapter 28: Multicast Source Discovery Protocol (MSDP)........................................................ 466
Anycast RP....................................................................................................................................................................... 467
Implementation Information......................................................................................................................................... 468
Configure Multicast Source Discovery Protocol..................................................................................................... 468
Related Configuration Tasks.................................................................................................................................. 468
Enable MSDP....................................................................................................................................................................472
Manage the Source-Active Cache..............................................................................................................................473
Viewing the Source-Active Cache........................................................................................................................ 473
Limiting the Source-Active Cache........................................................................................................................ 473
Clearing the Source-Active Cache........................................................................................................................474
Enabling the Rejected Source-Active Cache......................................................................................................474
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 474
Specifying Source-Active Messages.......................................................................................................................... 477
Limiting the Source-Active Messages from a Peer................................................................................................ 478
Preventing MSDP from Caching a Local Source.....................................................................................................478
Preventing MSDP from Caching a Remote Source................................................................................................479
Preventing MSDP from Advertising a Local Source...............................................................................................479
Logging Changes in Peership States......................................................................................................................... 480
Terminating a Peership..................................................................................................................................................480
Clearing Peer Statistics.................................................................................................................................................480
Debugging MSDP.............................................................................................................................................................481
MSDP with Anycast RP................................................................................................................................................. 481
Configuring Anycast RP................................................................................................................................................ 482
Reducing Source-Active Message Flooding....................................................................................................... 483
Specifying the RP Address Used in SA Messages............................................................................................ 483
Contents
15
MSDP Sample Configurations......................................................................................................................................485
Chapter 29: Multicast Listener Discovery Protocol.................................................................... 488
MLD timers........................................................................................................................................................................491
Reducing Host Response Burstiness.................................................................................................................... 491
Configuring MLD Version..............................................................................................................................................492
Clearing MLD groups......................................................................................................................................................492
Debugging MLD...............................................................................................................................................................492
Explicit Tracking.............................................................................................................................................................. 492
Reducing Leave Latency............................................................................................................................................... 492
Displaying MLD groups table........................................................................................................................................493
Displaying MLD Interfaces............................................................................................................................................ 493
MLD Snooping................................................................................................................................................................. 493
Enable MLD Snooping..............................................................................................................................................494
Disable MLD Snooping............................................................................................................................................. 494
Configure the switch as a querier.........................................................................................................................494
Specify port as connected to multicast router..................................................................................................494
Enable Snooping Explicit Tracking........................................................................................................................ 494
Display the MLD Snooping Table.......................................................................................................................... 495
Chapter 30: Multiple Spanning Tree Protocol (MSTP)............................................................... 496
Spanning Tree Variations.............................................................................................................................................. 497
Implementation Information....................................................................................................................................497
Configure Multiple Spanning Tree Protocol..............................................................................................................497
Related Configuration Tasks...................................................................................................................................497
Enable Multiple Spanning Tree Globally.....................................................................................................................498
Adding and Removing Interfaces................................................................................................................................ 498
Creating Multiple Spanning Tree Instances..............................................................................................................498
Influencing MSTP Root Selection...............................................................................................................................499
Interoperate with Non-Dell Bridges............................................................................................................................500
Changing the Region Name or Revision....................................................................................................................500
Modifying Global Parameters.......................................................................................................................................500
Modifying the Interface Parameters...........................................................................................................................501
Setting STP path cost as constant............................................................................................................................ 502
Configuring an EdgePort...............................................................................................................................................503
Flush MAC Addresses after a Topology Change.....................................................................................................503
MSTP Sample Configurations......................................................................................................................................504
Debugging and Verifying MSTP Configurations...................................................................................................... 507
Chapter 31: Multicast Features..................................................................................................509
Enabling IP Multicast..................................................................................................................................................... 509
Implementation Information......................................................................................................................................... 509
Multicast Policies.............................................................................................................................................................510
IPv4 Multicast Policies............................................................................................................................................. 510
Understanding Multicast Traceroute (mtrace)........................................................................................................ 516
Printing Multicast Traceroute (mtrace) Paths.........................................................................................................517
Supported Error Codes.................................................................................................................................................. 518
mtrace Scenarios.............................................................................................................................................................519
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Contents
Chapter 32: Object Tracking......................................................................................................525
Object Tracking Overview............................................................................................................................................525
Track Layer 2 Interfaces......................................................................................................................................... 526
Track Layer 3 Interfaces......................................................................................................................................... 526
Track IPv4 and IPv6 Routes................................................................................................................................... 527
Set Tracking Delays..................................................................................................................................................528
VRRP Object Tracking............................................................................................................................................. 528
Object Tracking Configuration.....................................................................................................................................528
Tracking a Layer 2 Interface.................................................................................................................................. 528
Tracking a Layer 3 Interface.................................................................................................................................. 529
Track an IPv4/IPv6 Route...................................................................................................................................... 530
Displaying Tracked Objects.......................................................................................................................................... 533
Chapter 33: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 536
Protocol Overview..........................................................................................................................................................536
Autonomous System (AS) Areas...........................................................................................................................536
Area Types.................................................................................................................................................................. 537
Networks and Neighbors.........................................................................................................................................538
Router Types..............................................................................................................................................................538
Designated and Backup Designated Routers..................................................................................................... 539
Link-State Advertisements (LSAs).......................................................................................................................539
Router Priority and Cost......................................................................................................................................... 540
OSPF with Dell EMC Networking OS......................................................................................................................... 541
Graceful Restart.........................................................................................................................................................541
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 542
Multi-Process OSPFv2 with VRF..........................................................................................................................543
OSPF ACK Packing...................................................................................................................................................543
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 543
Configuration Information.............................................................................................................................................544
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................544
OSPFv3 NSSA.................................................................................................................................................................556
Configuration Task List for OSPFv3 (OSPF for IPv6)...........................................................................................557
Enabling IPv6 Unicast Routing...............................................................................................................................557
Applying cost for OSPFv3.......................................................................................................................................557
Assigning IPv6 Addresses on an Interface..........................................................................................................558
Assigning Area ID on an Interface.........................................................................................................................558
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................558
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................559
Configuring Stub Areas........................................................................................................................................... 559
Configuring Passive-Interface............................................................................................................................... 559
Redistributing Routes.............................................................................................................................................. 560
Configuring a Default Route...................................................................................................................................560
Enabling OSPFv3 Graceful Restart...................................................................................................................... 560
OSPFv3 Authentication Using IPsec....................................................................................................................562
Troubleshooting OSPFv3........................................................................................................................................ 568
MIB Support for OSPFv3........................................................................................................................................569
Chapter 34: Policy-based Routing (PBR)................................................................................... 571
Contents
17
Overview............................................................................................................................................................................571
Implementing PBR...........................................................................................................................................................572
Configuration Task List for Policy-based Routing.................................................................................................. 572
Create a Redirect List.............................................................................................................................................. 573
Create a Rule for a Redirect-list............................................................................................................................573
Apply a Redirect-list to an Interface using a Redirect-group.........................................................................575
Sample Configuration.....................................................................................................................................................576
Chapter 35: PIM Sparse-Mode (PIM-SM)..................................................................................580
Implementation Information......................................................................................................................................... 580
Protocol Overview..........................................................................................................................................................580
Requesting Multicast Traffic..................................................................................................................................580
Refuse Multicast Traffic.......................................................................................................................................... 581
Send Multicast Traffic.............................................................................................................................................. 581
Configuring PIM-SM....................................................................................................................................................... 581
Related Configuration Tasks.................................................................................................................................. 582
Enable PIM-SM............................................................................................................................................................... 582
Configuring S,G Expiry Timers.....................................................................................................................................584
Configuring a Static Rendezvous Point.....................................................................................................................584
Overriding Bootstrap Router Updates.................................................................................................................585
Configuring a Designated Router................................................................................................................................585
Creating Multicast Boundaries and Domains............................................................................................................587
Electing an RP using the BSR Mechanism................................................................................................................587
Chapter 36: PIM Source-Specific Mode (PIM-SSM).................................................................. 589
Implementation Information......................................................................................................................................... 589
Configure PIM-SSM.......................................................................................................................................................589
Enabling PIM-SSM......................................................................................................................................................... 590
Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 590
Electing an RP using the BSR Mechanism................................................................................................................ 591
Enabling RP to Server Specific Multicast Groups.............................................................................................593
Chapter 37: Port Monitoring......................................................................................................594
Important Points to Remember...................................................................................................................................594
Port Monitoring...............................................................................................................................................................595
Configuring Port Monitoring........................................................................................................................................ 597
Configuring Monitor Multicast Queue....................................................................................................................... 598
Enabling Flow-Based Monitoring................................................................................................................................ 599
Remote Port Mirroring.................................................................................................................................................. 600
Remote Port Mirroring Example............................................................................................................................600
Configuring Remote Port Mirroring.......................................................................................................................601
Displaying Remote-Port Mirroring Configurations............................................................................................602
Configuration procedure for Remote Port Mirroring....................................................................................... 603
Encapsulated Remote Port Monitoring..................................................................................................................... 607
ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 609
Port Monitoring on VLT................................................................................................................................................. 610
Chapter 38: Private VLANs (PVLAN)..........................................................................................613
Private VLAN Concepts................................................................................................................................................. 613
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Using the Private VLAN Commands........................................................................................................................... 614
Configuration Task List.................................................................................................................................................. 615
Creating PVLAN ports..............................................................................................................................................615
Creating a Primary VLAN.........................................................................................................................................615
Creating a Community VLAN..................................................................................................................................616
Creating an Isolated VLAN.......................................................................................................................................617
Private VLAN Configuration Example.........................................................................................................................618
Inspecting the Private VLAN Configuration..............................................................................................................619
Chapter 39: Per-VLAN Spanning Tree Plus (PVST+).................................................................. 621
Protocol Overview...........................................................................................................................................................621
Implementation Information..........................................................................................................................................622
Configure Per-VLAN Spanning Tree Plus................................................................................................................. 623
Enabling PVST+...............................................................................................................................................................623
Disabling PVST+..............................................................................................................................................................623
Influencing PVST+ Root Selection..............................................................................................................................624
Modifying Global PVST+ Parameters........................................................................................................................ 625
Modifying Interface PVST+ Parameters................................................................................................................... 625
Configuring an EdgePort...............................................................................................................................................626
PVST+ in Multi-Vendor Networks.............................................................................................................................. 627
Enabling PVST+ Extend System ID............................................................................................................................ 627
PVST+ Sample Configurations.................................................................................................................................... 628
Chapter 40: Quality of Service (QoS)........................................................................................ 630
Implementation Information..........................................................................................................................................632
Port-Based QoS Configurations..................................................................................................................................632
Setting dot1p Priorities for Incoming Traffic...................................................................................................... 632
Honoring dot1p Priorities on Ingress Traffic.......................................................................................................633
Configuring Port-Based Rate Policing................................................................................................................. 633
Configuring Port-Based Rate Shaping.................................................................................................................634
Policy-Based QoS Configurations...............................................................................................................................635
Classify Traffic...........................................................................................................................................................635
Create a QoS Policy................................................................................................................................................. 638
Create Policy Maps...................................................................................................................................................640
DSCP Color Maps........................................................................................................................................................... 643
Creating a DSCP Color Map...................................................................................................................................643
Displaying DSCP Color Maps..................................................................................................................................644
Displaying a DSCP Color Policy Configuration ..................................................................................................644
Enabling QoS Rate Adjustment................................................................................................................................... 645
Enabling Strict-Priority Queueing............................................................................................................................... 646
Weighted Random Early Detection.............................................................................................................................646
Creating WRED Profiles...........................................................................................................................................647
Applying a WRED Profile to Traffic.......................................................................................................................647
Displaying Default and Configured WRED Profiles........................................................................................... 647
Displaying WRED Drop Statistics.......................................................................................................................... 648
Displaying egress–queue Statistics...................................................................................................................... 648
Pre-Calculating Available QoS CAM Space.............................................................................................................. 648
Configuring Weights and ECN for WRED ................................................................................................................649
Configuring WRED and ECN Attributes.....................................................................................................................651
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19
Guidelines for Configuring ECN for Classifying and Color-Marking Packets....................................................651
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..........................652
Classifying Incoming Packets Using ECN and Color-Marking........................................................................652
Sample configuration to mark non-ecn packets as “yellow” with single traffic class..............................654
Applying Layer 2 Match Criteria on a Layer 3 Interface....................................................................................... 655
Applying DSCP and VLAN Match Criteria on a Service Queue...........................................................................655
Classifying Incoming Packets Using ECN and Color-Marking............................................................................. 656
Guidelines for Configuring ECN for Classifying and Color-Marking Packets...................................................657
Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class............................... 658
Sample configuration to mark non-ecn packets as “yellow” with single traffic class....................................658
Chapter 41: Routing Information Protocol (RIP)........................................................................660
Protocol Overview..........................................................................................................................................................660
RIPv1............................................................................................................................................................................ 660
RIPv2............................................................................................................................................................................660
Implementation Information......................................................................................................................................... 660
Configuration Information..............................................................................................................................................661
Configuration Task List............................................................................................................................................ 661
RIP Configuration Example..................................................................................................................................... 667
Chapter 42: Remote Monitoring (RMON)...................................................................................672
Implementation Information..........................................................................................................................................672
Fault Recovery.................................................................................................................................................................672
Setting the RMON Alarm........................................................................................................................................ 672
Configuring an RMON Event..................................................................................................................................673
Configuring RMON Collection Statistics............................................................................................................. 674
Configuring the RMON Collection History..........................................................................................................674
Chapter 43: Rapid Spanning Tree Protocol (RSTP)....................................................................676
Protocol Overview.......................................................................................................................................................... 676
Configuring Rapid Spanning Tree................................................................................................................................676
Important Points to Remember................................................................................................................................... 677
RSTP and VLT............................................................................................................................................................677
Configuring Interfaces for Layer 2 Mode.................................................................................................................. 677
Enabling Rapid Spanning Tree Protocol Globally.....................................................................................................678
Adding and Removing Interfaces................................................................................................................................ 680
Modifying Global Parameters.......................................................................................................................................680
Enabling SNMP Traps for Root Elections and Topology Changes................................................................ 681
Modifying Interface Parameters.................................................................................................................................. 681
Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 682
Influencing RSTP Root Selection................................................................................................................................682
Configuring an EdgePort...............................................................................................................................................682
Configuring Fast Hellos for Link State Detection................................................................................................... 683
Chapter 44: Software-Defined Networking (SDN)..................................................................... 685
Chapter 45: Security................................................................................................................. 686
AAA Accounting.............................................................................................................................................................. 686
Configuration Task List for AAA Accounting......................................................................................................686
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