Dell PowerSwitch S4048-ON User manual
- Category
- General utility software
- Type
- User manual
Dell Configuration Guide for the S4048–ON
System
9.9(0.0)
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
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.
Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and
intellectual property laws. Dell
â„¢
and the Dell logo are trademarks of Dell Inc. in the United States and/or other
jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.
2015 - 09
Rev. A00
Contents
1 About this Guide..................................................................................................37
Audience..............................................................................................................................................37
Conventions........................................................................................................................................ 37
Related Documents.............................................................................................................................37
2 Configuration Fundamentals........................................................................... 38
Accessing the Command Line............................................................................................................38
CLI Modes............................................................................................................................................38
Navigating CLI Modes...................................................................................................................40
The do Command...............................................................................................................................43
Undoing Commands.......................................................................................................................... 44
Obtaining Help....................................................................................................................................44
Entering and Editing Commands....................................................................................................... 45
Command History...............................................................................................................................46
Filtering show Command Outputs.....................................................................................................46
Multiple Users in Configuration Mode............................................................................................... 47
3 Getting Started................................................................................................... 48
Console Access...................................................................................................................................48
Serial Console................................................................................................................................48
Accessing the CLI Interface and Running Scripts Using SSH............................................................49
Entering CLI commands Using an SSH Connection................................................................... 50
Executing Local CLI Scripts Using an SSH Connection...............................................................50
Default Configuration..........................................................................................................................51
Configuring a Host Name................................................................................................................... 51
Accessing the System Remotely.........................................................................................................51
Accessing the System Remotely................................................................................................... 51
Configure the Management Port IP Address................................................................................51
Configure a Management Route.................................................................................................. 52
Configuring a Username and Password.......................................................................................52
Configuring the Enable Password...................................................................................................... 52
Configuration File Management.........................................................................................................53
Copy Files to and from the System.............................................................................................. 53
Mounting an NFS File System....................................................................................................... 54
Save the Running-Configuration..................................................................................................55
Configure the Overload Bit for a Startup Scenario......................................................................56
Viewing Files.................................................................................................................................. 56
Compressing Configuration Files................................................................................................. 57
3
Managing the File System...................................................................................................................60
Enabling Software Features on Devices Using a Command Option.................................................61
View Command History......................................................................................................................62
Upgrading Dell Networking OS.......................................................................................................... 62
Using Hashes to Verify Software Images Before Installation............................................................ 62
Using HTTP for File Transfers............................................................................................................. 63
4 Management........................................................................................................65
Configuring Privilege Levels............................................................................................................... 65
Creating a Custom Privilege Level................................................................................................65
Removing a Command from EXEC Mode................................................................................... 65
Moving a Command from EXEC Privilege Mode to EXEC Mode................................................66
Allowing Access to CONFIGURATION Mode Commands..........................................................66
Allowing Access to Different Modes............................................................................................ 66
Applying a Privilege Level to a Username.................................................................................... 68
Applying a Privilege Level to a Terminal Line...............................................................................68
Configuring Logging...........................................................................................................................68
Audit and Security Logs................................................................................................................ 69
Configuring Logging Format .......................................................................................................71
Display the Logging Buffer and the Logging Configuration........................................................ 71
Setting Up a Secure Connection to a Syslog Server.................................................................... 72
Sending System Messages to a Syslog Server.............................................................................. 73
Track Login Activity............................................................................................................................. 73
Restrictions for Tracking Login Activity........................................................................................ 73
Configuring Login Activity Tracking............................................................................................. 73
Display Login Statistics..................................................................................................................74
Limit Concurrent Login Sessions........................................................................................................75
Restrictions for Limiting the Number of Concurrent Sessions....................................................75
Configuring Concurrent Session Limit......................................................................................... 75
Enabling the System to Clear Existing Sessions...........................................................................76
Log Messages in the Internal Buffer................................................................................................... 76
Configuration Task List for System Log Management.................................................................77
Disabling System Logging................................................................................................................... 77
Sending System Messages to a Syslog Server.................................................................................... 77
Configuring a UNIX System as a Syslog Server............................................................................ 77
Changing System Logging Settings....................................................................................................78
Display the Logging Buffer and the Logging Configuration..............................................................79
Configuring a UNIX Logging Facility Level.........................................................................................79
Synchronizing Log Messages..............................................................................................................81
Enabling Timestamp on Syslog Messages..........................................................................................81
File Transfer Services...........................................................................................................................82
Configuration Task List for File Transfer Services........................................................................82
4
Enabling the FTP Server................................................................................................................ 82
Configuring FTP Server Parameters............................................................................................. 82
Configuring FTP Client Parameters..............................................................................................83
Terminal Lines.....................................................................................................................................84
Denying and Permitting Access to a Terminal Line.....................................................................84
Configuring Login Authentication for Terminal Lines................................................................. 85
Setting Timeout for EXEC Privilege Mode......................................................................................... 86
Using Telnet to get to Another Network Device............................................................................... 87
Lock CONFIGURATION Mode............................................................................................................87
Viewing the Configuration Lock Status........................................................................................88
Restoring the Factory Default Settings.............................................................................................. 88
Important Points to Remember....................................................................................................88
Restoring Factory Default Environment Variables.......................................................................89
5 802.1ag................................................................................................................. 91
Ethernet CFM.......................................................................................................................................91
Maintenance Domains........................................................................................................................92
Maintenance Points.............................................................................................................................92
Maintenance End Points..................................................................................................................... 93
Implementation Information..............................................................................................................94
Configuring the CFM.......................................................................................................................... 94
Related Configuration Tasks.........................................................................................................94
Enable Ethernet CFM.......................................................................................................................... 94
Creating a Maintenance Domain....................................................................................................... 94
Creating a Maintenance Association..................................................................................................95
Create Maintenance Points................................................................................................................ 95
Creating a Maintenance End Point...............................................................................................95
Creating a Maintenance Intermediate Point................................................................................96
Displaying the MP Databases........................................................................................................97
Continuity Check Messages............................................................................................................... 97
Enabling CCM................................................................................................................................98
Enabling Cross-Checking.............................................................................................................99
Sending Loopback Messages and Responses................................................................................... 99
Sending Linktrace Messages and Responses.....................................................................................99
Caching Link Trace..................................................................................................................... 100
Enabling CFM SNMP Traps................................................................................................................101
Displaying Ethernet CFM Statistics...................................................................................................102
6 802.1X.................................................................................................................104
Port-Authentication Process............................................................................................................ 105
EAP over RADIUS.........................................................................................................................107
Configuring 802.1X........................................................................................................................... 107
5
Related Configuration Tasks.......................................................................................................107
Important Points to Remember....................................................................................................... 108
Enabling 802.1X.................................................................................................................................108
Configuring Request Identity Re-Transmissions..............................................................................110
Configuring a Quiet Period after a Failed Authentication..........................................................110
Forcibly Authorizing or Unauthorizing a Port................................................................................... 111
Re-Authenticating a Port...................................................................................................................112
Configuring Timeouts........................................................................................................................113
Configuring Dynamic VLAN Assignment with Port Authentication................................................ 114
Guest and Authentication-Fail VLANs...............................................................................................115
Configuring a Guest VLAN.......................................................................................................... 116
Configuring an Authentication-Fail VLAN.................................................................................. 116
7 Access Control List (ACL) VLAN Groups and Content Addressable
Memory (CAM)......................................................................................................118
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..........................................118
Guidelines for Configuring ACL VLAN Groups.................................................................................119
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters........................120
Configuring ACL VLAN Groups...................................................................................................120
Configuring FP Blocks for VLAN Parameters..............................................................................121
Viewing CAM Usage.......................................................................................................................... 121
Allocating FP Blocks for VLAN Processes.........................................................................................123
8 Access Control Lists (ACLs)............................................................................ 124
IP Access Control Lists (ACLs).......................................................................................................... 124
CAM Usage.................................................................................................................................. 125
Implementing ACLs on Dell Networking OS..............................................................................126
Important Points to Remember........................................................................................................127
Configuration Task List for Route Maps..................................................................................... 128
Configuring Match Routes..........................................................................................................130
Configuring Set Conditions.........................................................................................................131
Configure a Route Map for Route Redistribution...................................................................... 132
Configure a Route Map for Route Tagging................................................................................ 133
Continue Clause..........................................................................................................................133
IP Fragment Handling....................................................................................................................... 134
IP Fragments ACL Examples....................................................................................................... 134
Layer 4 ACL Rules Examples....................................................................................................... 135
Configure a Standard IP ACL............................................................................................................ 136
Configuring a Standard IP ACL Filter.......................................................................................... 137
Configure an Extended IP ACL......................................................................................................... 138
Configuring Filters with a Sequence Number............................................................................138
Configuring Filters Without a Sequence Number......................................................................139
6
Configure Layer 2 and Layer 3 ACLs................................................................................................140
Assign an IP ACL to an Interface.......................................................................................................141
Applying an IP ACL............................................................................................................................ 141
Counting ACL Hits.......................................................................................................................142
Configure Ingress ACLs.....................................................................................................................142
Configure Egress ACLs......................................................................................................................143
Applying Egress Layer 3 ACLs (Control-Plane).......................................................................... 144
IP Prefix Lists......................................................................................................................................144
Implementation Information...................................................................................................... 145
Configuration Task List for Prefix Lists....................................................................................... 145
ACL Resequencing............................................................................................................................149
Resequencing an ACL or Prefix List............................................................................................149
Route Maps........................................................................................................................................ 151
Implementation Information.......................................................................................................151
Logging of ACL Processes.................................................................................................................151
Guidelines for Configuring ACL Logging....................................................................................152
Configuring ACL Logging............................................................................................................153
Flow-Based Monitoring Support for ACLs....................................................................................... 153
Behavior of Flow-Based Monitoring...........................................................................................154
Enabling Flow-Based Monitoring............................................................................................... 155
Configuring UDF ACL........................................................................................................................156
9 Bidirectional Forwarding Detection (BFD).................................................. 160
How BFD Works................................................................................................................................160
BFD Packet Format...................................................................................................................... 161
BFD Sessions................................................................................................................................163
BFD Three-Way Handshake........................................................................................................163
Session State Changes................................................................................................................164
Important Points to Remember........................................................................................................165
Configure BFD...................................................................................................................................165
Configure BFD for Physical Ports............................................................................................... 166
Configure BFD for Static Routes.................................................................................................169
Configure BFD for OSPF..............................................................................................................171
Configure BFD for OSPFv3..........................................................................................................174
Configure BFD for IS-IS...............................................................................................................175
Configure BFD for BGP............................................................................................................... 178
Configure BFD for VRRP............................................................................................................. 184
Configuring Protocol Liveness....................................................................................................187
Troubleshooting BFD..................................................................................................................188
10 Border Gateway Protocol IPv4 (BGPv4).................................................... 190
Autonomous Systems (AS)................................................................................................................190
7
Sessions and Peers............................................................................................................................192
Establish a Session.......................................................................................................................193
Route Reflectors................................................................................................................................193
BGP Attributes................................................................................................................................... 194
Best Path Selection Criteria.........................................................................................................195
Weight..........................................................................................................................................197
Local Preference..........................................................................................................................197
Multi-Exit Discriminators (MEDs)................................................................................................198
Origin........................................................................................................................................... 199
AS Path........................................................................................................................................ 200
Next Hop.....................................................................................................................................200
Multiprotocol BGP............................................................................................................................ 201
Implement BGP with Dell Networking OS.......................................................................................201
Additional Path (Add-Path) Support........................................................................................... 201
Advertise IGP Cost as MED for Redistributed Routes................................................................ 201
Ignore Router-ID in Best-Path Calculation............................................................................... 202
Four-Byte AS Numbers...............................................................................................................202
AS4 Number Representation......................................................................................................203
AS Number Migration................................................................................................................. 204
BGP4 Management Information Base (MIB)..............................................................................206
Important Points to Remember................................................................................................. 206
Configuration Information............................................................................................................... 207
BGP Configuration............................................................................................................................207
Enabling BGP.............................................................................................................................. 208
Configuring AS4 Number Representations................................................................................ 212
Configuring Peer Groups............................................................................................................ 214
Configuring BGP Fast Fall-Over..................................................................................................216
Configuring Passive Peering....................................................................................................... 218
Maintaining Existing AS Numbers During an AS Migration........................................................219
Allowing an AS Number to Appear in its Own AS Path............................................................. 220
Enabling Graceful Restart............................................................................................................221
Enabling Neighbor Graceful Restart...........................................................................................222
Filtering on an AS-Path Attribute................................................................................................222
Regular Expressions as Filters.....................................................................................................224
Redistributing Routes..................................................................................................................225
Enabling Additional Paths........................................................................................................... 226
Configuring IP Community Lists................................................................................................ 226
Configuring an IP Extended Community List............................................................................ 228
Filtering Routes with Community Lists...................................................................................... 229
Manipulating the COMMUNITY Attribute...................................................................................229
Changing MED Attributes............................................................................................................231
Changing the LOCAL_PREFERENCE Attribute...........................................................................231
8
Changing the NEXT_HOP Attribute........................................................................................... 232
Changing the WEIGHT Attribute................................................................................................ 233
Enabling Multipath...................................................................................................................... 233
Filtering BGP Routes................................................................................................................... 233
Filtering BGP Routes Using Route Maps.................................................................................... 235
Filtering BGP Routes Using AS-PATH Information....................................................................236
Configuring BGP Route Reflectors.............................................................................................236
Aggregating Routes.....................................................................................................................237
Configuring BGP Confederations.............................................................................................. 238
Enabling Route Flap Dampening................................................................................................238
Changing BGP Timers.................................................................................................................241
Enabling BGP Neighbor Soft-Reconfiguration.......................................................................... 241
Route Map Continue...................................................................................................................243
Enabling MBGP Configurations........................................................................................................243
BGP Regular Expression Optimization.............................................................................................244
Debugging BGP................................................................................................................................ 244
Storing Last and Bad PDUs......................................................................................................... 245
Capturing PDUs.......................................................................................................................... 246
PDU Counters............................................................................................................................. 247
Sample Configurations..................................................................................................................... 247
11 Content Addressable Memory (CAM)......................................................... 254
CAM Allocation................................................................................................................................. 254
Test CAM Usage................................................................................................................................256
View CAM-ACL Settings................................................................................................................... 256
View CAM Usage...............................................................................................................................258
CAM Optimization............................................................................................................................ 259
Troubleshoot CAM Profiling.............................................................................................................259
CAM Profile Mismatches.............................................................................................................259
QoS CAM Region Limitation.......................................................................................................259
12 Control Plane Policing (CoPP)..................................................................... 261
Configure Control Plane Policing.................................................................................................... 262
Configuring CoPP for Protocols................................................................................................ 263
Configuring CoPP for CPU Queues...........................................................................................265
CoPP for OSPFv3 Packets.......................................................................................................... 266
Configuring CoPP for OSPFv3....................................................................................................270
Displaying CoPP Configuration ..................................................................................................271
13 Data Center Bridging (DCB)..........................................................................273
Ethernet Enhancements in Data Center Bridging............................................................................273
Priority-Based Flow Control....................................................................................................... 274
9
Enhanced Transmission Selection..............................................................................................275
Data Center Bridging Exchange Protocol (DCBx)..................................................................... 276
Data Center Bridging in a Traffic Flow....................................................................................... 277
Enabling Data Center Bridging......................................................................................................... 277
DCB Maps and its Attributes....................................................................................................... 278
Data Center Bridging: Default Configuration.................................................................................. 279
Configuring Priority-Based Flow Control........................................................................................ 279
Configuring Lossless Queues.....................................................................................................280
Configuring PFC in a DCB Map........................................................................................................282
PFC Configuration Notes............................................................................................................282
PFC Prerequisites and Restrictions.............................................................................................283
Applying a DCB Map on a Port.........................................................................................................283
Configuring PFC without a DCB Map..............................................................................................284
Configuring Lossless QueuesExample:......................................................................................284
Priority-Based Flow Control Using Dynamic Buffer Method..........................................................286
Pause and Resume of Traffic......................................................................................................286
Buffer Sizes for Lossless or PFC Packets....................................................................................287
Behavior of Tagged Packets.............................................................................................................287
Configuration Example for DSCP and PFC Priorities...................................................................... 288
Using PFC to Manage Converged Ethernet Traffic......................................................................... 289
Configure Enhanced Transmission Selection................................................................................. 289
ETS Prerequisites and Restrictions.............................................................................................289
Creating an ETS Priority Group.................................................................................................. 289
ETS Operation with DCBx...........................................................................................................291
Configuring Bandwidth Allocation for DCBx CIN......................................................................291
Configuring ETS in a DCB Map...................................................................................................292
Hierarchical Scheduling in ETS Output Policies..............................................................................294
Using ETS to Manage Converged Ethernet Traffic..........................................................................294
Applying DCB Policies in a Switch Stack......................................................................................... 294
Configure a DCBx Operation........................................................................................................... 295
DCBx Operation..........................................................................................................................295
DCBx Port Roles..........................................................................................................................295
DCB Configuration Exchange.................................................................................................... 297
Configuration Source Election................................................................................................... 297
Propagation of DCB Information............................................................................................... 298
Auto-Detection and Manual Configuration of the DCBx Version............................................298
DCBx Example............................................................................................................................ 299
DCBx Prerequisites and Restrictions..........................................................................................299
Configuring DCBx.......................................................................................................................300
Verifying the DCB Configuration..................................................................................................... 304
QoS dot1p Traffic Classification and Queue Assignment................................................................315
Configuring the Dynamic Buffer Method.........................................................................................317
10
Sample DCB Configuration.............................................................................................................. 318
PFC and ETS Configuration Command Examples.................................................................... 320
14 Dynamic Host Configuration Protocol (DHCP)........................................ 321
DHCP Packet Format and Options...................................................................................................321
Assign an IP Address using DHCP.................................................................................................... 323
Implementation Information............................................................................................................324
Configure the System to be a DHCP Server....................................................................................324
Configuring the Server for Automatic Address Allocation........................................................ 325
Specifying a Default Gateway.....................................................................................................327
Configure a Method of Hostname Resolution...........................................................................327
Using DNS for Address Resolution............................................................................................. 327
Using NetBIOS WINS for Address Resolution............................................................................ 327
Creating Manual Binding Entries................................................................................................ 327
Debugging the DHCP Server......................................................................................................328
Using DHCP Clear Commands.................................................................................................. 328
Configure the System to be a Relay Agent......................................................................................328
Configure the System to be a DHCP Client.................................................................................... 330
Configuring the DHCP Client System.........................................................................................331
DHCP Client on a Management Interface................................................................................. 332
DHCP Client Operation with Other Features.............................................................................333
Configure the System for User Port Stacking (Option 230)............................................................334
Configure Secure DHCP...................................................................................................................334
Option 82.................................................................................................................................... 334
DHCP Snooping.......................................................................................................................... 335
Drop DHCP Packets on Snooped VLANs Only..........................................................................338
Dynamic ARP Inspection............................................................................................................ 339
Configuring Dynamic ARP Inspection....................................................................................... 340
Source Address Validation................................................................................................................ 341
Enabling IP Source Address Validation.......................................................................................341
DHCP MAC Source Address Validation......................................................................................342
Enabling IP+MAC Source Address Validation............................................................................342
Viewing the Number of SAV Dropped Packets..........................................................................343
Clearing the Number of SAV Dropped Packets.........................................................................343
15 Equal Cost Multi-Path (ECMP)..................................................................... 344
ECMP for Flow-Based Affinity..........................................................................................................344
Configuring the Hash Algorithm................................................................................................ 344
Enabling Deterministic ECMP Next Hop....................................................................................344
Configuring the Hash Algorithm Seed....................................................................................... 345
Link Bundle Monitoring.................................................................................................................... 345
Managing ECMP Group Paths.................................................................................................... 346
11
Creating an ECMP Group Bundle...............................................................................................346
Modifying the ECMP Group Threshold...................................................................................... 347
RTAG7................................................................................................................................................347
Flow-based Hashing for ECMP........................................................................................................ 349
16 FCoE Transit.................................................................................................... 353
Fibre Channel over Ethernet.............................................................................................................353
Ensure Robustness in a Converged Ethernet Network................................................................... 353
FIP Snooping on Ethernet Bridges................................................................................................... 355
FIP Snooping in a Switch Stack.........................................................................................................357
Using FIP Snooping...........................................................................................................................357
FIP Snooping Prerequisites......................................................................................................... 357
Important Points to Remember................................................................................................. 358
Enabling the FCoE Transit Feature............................................................................................. 359
Enable FIP Snooping on VLANs..................................................................................................359
Configure the FC-MAP Value..................................................................................................... 359
Configure a Port for a Bridge-to-Bridge Link............................................................................359
Configure a Port for a Bridge-to-FCF Link................................................................................360
Impact on Other Software Features.......................................................................................... 360
FIP Snooping Restrictions...........................................................................................................360
Configuring FIP Snooping...........................................................................................................361
Displaying FIP Snooping Information...............................................................................................361
FCoE Transit Configuration Example...............................................................................................367
17 FIPS Cryptography......................................................................................... 369
Configuration Tasks..........................................................................................................................369
Preparing the System........................................................................................................................369
Enabling FIPS Mode.......................................................................................................................... 370
Generating Host-Keys...................................................................................................................... 370
Monitoring FIPS Mode Status............................................................................................................371
Disabling FIPS Mode......................................................................................................................... 374
18 Force10 Resilient Ring Protocol (FRRP)..................................................... 375
Protocol Overview............................................................................................................................ 375
Ring Status...................................................................................................................................376
Multiple FRRP Rings.....................................................................................................................377
Important FRRP Points................................................................................................................378
Important FRRP Concepts.......................................................................................................... 379
Implementing FRRP..........................................................................................................................380
FRRP Configuration.......................................................................................................................... 380
Creating the FRRP Group............................................................................................................381
Configuring the Control VLAN....................................................................................................381
12
Configuring and Adding the Member VLANs.............................................................................382
Setting the FRRP Timers............................................................................................................. 383
Clearing the FRRP Counters.......................................................................................................384
Viewing the FRRP Configuration................................................................................................384
Viewing the FRRP Information................................................................................................... 384
Troubleshooting FRRP......................................................................................................................385
Configuration Checks.................................................................................................................385
Sample Configuration and Topology...............................................................................................385
19 GARP VLAN Registration Protocol (GVRP)................................................ 387
Important Points to Remember....................................................................................................... 387
Configure GVRP................................................................................................................................388
Related Configuration Tasks...................................................................................................... 388
Enabling GVRP Globally....................................................................................................................389
Enabling GVRP on a Layer 2 Interface............................................................................................. 389
Configure GVRP Registration...........................................................................................................389
Configure a GARP Timer.................................................................................................................. 390
RPM Redundancy.............................................................................................................................. 391
20 High Availability (HA).....................................................................................392
Component Redundancy.................................................................................................................392
Automatic and Manual Stack Unit Failover................................................................................ 392
Synchronization between Management and Standby Units.....................................................393
Forcing an Stack Unit Failover....................................................................................................393
Specifying an Auto-Failover Limit.............................................................................................. 394
Disabling Auto-Reboot...............................................................................................................394
Manually Synchronizing Management and Standby Units........................................................394
Pre-Configuring a Stack Unit Slot....................................................................................................394
Removing a Provisioned Logical Stack Unit.................................................................................... 395
Hitless Behavior.................................................................................................................................395
Graceful Restart................................................................................................................................ 395
Software Resiliency...........................................................................................................................396
Software Component Health Monitoring..................................................................................396
System Health Monitoring..........................................................................................................396
Failure and Event Logging.......................................................................................................... 396
Hot-Lock Behavior............................................................................................................................397
21 Internet Group Management Protocol (IGMP).........................................398
IGMP Implementation Information..................................................................................................398
IGMP Protocol Overview..................................................................................................................398
IGMP Version 2........................................................................................................................... 398
IGMP Version 3........................................................................................................................... 400
13
Configure IGMP................................................................................................................................403
Related Configuration Tasks...................................................................................................... 403
Viewing IGMP Enabled Interfaces....................................................................................................404
Selecting an IGMP Version...............................................................................................................404
Viewing IGMP Groups...................................................................................................................... 405
Adjusting Timers............................................................................................................................... 405
Adjusting Query and Response Timers......................................................................................405
Preventing a Host from Joining a Group........................................................................................ 406
Enabling IGMP Immediate-Leave.................................................................................................... 409
IGMP Snooping.................................................................................................................................409
IGMP Snooping Implementation Information...........................................................................409
Configuring IGMP Snooping...................................................................................................... 409
Removing a Group-Port Association......................................................................................... 410
Disabling Multicast Flooding.......................................................................................................410
Specifying a Port as Connected to a Multicast Router.............................................................. 411
Configuring the Switch as Querier..............................................................................................411
Fast Convergence after MSTP Topology Changes..........................................................................412
Egress Interface Selection (EIS) for HTTP and IGMP Applications..................................................412
Protocol Separation.................................................................................................................... 413
Enabling and Disabling Management Egress Interface Selection.............................................414
Handling of Management Route Configuration........................................................................ 415
Handling of Switch-Initiated Traffic........................................................................................... 415
Handling of Switch-Destined Traffic..........................................................................................416
Handling of Transit Traffic (Traffic Separation).......................................................................... 417
Mapping of Management Applications and Traffic Type...........................................................417
Behavior of Various Applications for Switch-Initiated Traffic .................................................. 418
Behavior of Various Applications for Switch-Destined Traffic ................................................. 419
Interworking of EIS With Various Applications.......................................................................... 420
Designating a Multicast Router Interface.........................................................................................421
22 Interfaces.........................................................................................................422
Basic Interface Configuration...........................................................................................................422
Advanced Interface Configuration...................................................................................................422
Interface Types................................................................................................................................. 423
View Basic Interface Information.....................................................................................................423
Resetting an Interface to its Factory Default State..........................................................................425
Enabling a Physical Interface............................................................................................................425
Physical Interfaces............................................................................................................................ 426
Configuration Task List for Physical Interfaces..........................................................................426
Overview of Layer Modes...........................................................................................................426
Configuring Layer 2 (Data Link) Mode........................................................................................427
Configuring Layer 2 (Interface) Mode........................................................................................ 427
14
Configuring Layer 3 (Network) Mode........................................................................................ 428
Configuring Layer 3 (Interface) Mode........................................................................................428
Egress Interface Selection (EIS)........................................................................................................429
Important Points to Remember................................................................................................. 429
Configuring EIS........................................................................................................................... 429
Management Interfaces................................................................................................................... 430
Configuring Management Interfaces.........................................................................................430
Configuring a Management Interface on an Ethernet Port...................................................... 432
VLAN Interfaces.................................................................................................................................433
Loopback Interfaces......................................................................................................................... 433
Null Interfaces...................................................................................................................................434
Port Channel Interfaces....................................................................................................................434
Port Channel Definition and Standards..................................................................................... 434
Port Channel Benefits.................................................................................................................435
Port Channel Implementation....................................................................................................435
Interfaces in Port Channels........................................................................................................ 435
Configuration Tasks for Port Channel Interfaces......................................................................436
Creating a Port Channel............................................................................................................. 436
Adding a Physical Interface to a Port Channel.......................................................................... 436
Reassigning an Interface to a New Port Channel......................................................................438
Configuring the Minimum Oper Up Links in a Port Channel....................................................439
Adding or Removing a Port Channel from a VLAN................................................................... 439
Assigning an IP Address to a Port Channel................................................................................ 441
Deleting or Disabling a Port Channel.........................................................................................441
Load Balancing Through Port Channels.................................................................................... 441
Changing the Hash Algorithm.................................................................................................... 441
Bulk Configuration............................................................................................................................442
Interface Range...........................................................................................................................442
Bulk Configuration Examples..................................................................................................... 443
Defining Interface Range Macros.................................................................................................... 444
Define the Interface Range.........................................................................................................445
Choosing an Interface-Range Macro........................................................................................ 445
Monitoring and Maintaining Interfaces............................................................................................445
Maintenance Using TDR.............................................................................................................446
Non Dell-Qualified Transceivers......................................................................................................447
Splitting QSFP Ports to SFP+ Ports.................................................................................................. 447
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................448
Important Points to Remember................................................................................................. 448
Example Scenarios......................................................................................................................449
Link Dampening................................................................................................................................450
Important Points to Remember................................................................................................. 450
Enabling Link Dampening........................................................................................................... 451
15
Link Bundle Monitoring.................................................................................................................... 452
Using Ethernet Pause Frames for Flow Control.............................................................................. 453
Enabling Pause Frames...............................................................................................................453
Configure the MTU Size on an Interface......................................................................................... 454
Port-Pipes......................................................................................................................................... 455
Auto-Negotiation on Ethernet Interfaces........................................................................................455
Setting the Speed and Duplex Mode of Ethernet Interfaces.....................................................456
Set Auto-Negotiation Options....................................................................................................457
View Advanced Interface Information............................................................................................. 458
Configuring the Interface Sampling Size................................................................................... 459
Dynamic Counters............................................................................................................................460
Clearing Interface Counters.......................................................................................................460
23 Internet Protocol Security (IPSec).............................................................. 462
Configuring IPSec ............................................................................................................................463
24 IPv4 Routing................................................................................................... 464
IP Addresses......................................................................................................................................464
Implementation Information......................................................................................................464
Configuration Tasks for IP Addresses.............................................................................................. 465
Assigning IP Addresses to an Interface............................................................................................ 465
Configuring Static Routes................................................................................................................ 466
Configure Static Routes for the Management Interface.................................................................467
IPv4 Path MTU Discovery Overview.................................................................................................467
Using the Configured Source IP Address in ICMP Messages......................................................... 468
Configuring the ICMP Source Interface.................................................................................... 468
Configuring the Duration to Establish a TCP Connection..............................................................469
Enabling Directed Broadcast............................................................................................................469
Resolution of Host Names............................................................................................................... 470
Enabling Dynamic Resolution of Host Names................................................................................ 470
Specifying the Local System Domain and a List of Domains.......................................................... 471
Configuring DNS with Traceroute....................................................................................................471
ARP.................................................................................................................................................... 472
Configuration Tasks for ARP.............................................................................................................472
Configuring Static ARP Entries......................................................................................................... 473
Enabling Proxy ARP...........................................................................................................................473
Clearing ARP Cache..........................................................................................................................473
ARP Learning via Gratuitous ARP..................................................................................................... 474
Enabling ARP Learning via Gratuitous ARP...................................................................................... 474
ARP Learning via ARP Request......................................................................................................... 474
Configuring ARP Retries................................................................................................................... 475
ICMP.................................................................................................................................................. 476
16
Configuration Tasks for ICMP.......................................................................................................... 476
Enabling ICMP Unreachable Messages............................................................................................476
UDP Helper........................................................................................................................................477
Configure UDP Helper................................................................................................................ 477
Important Points to Remember..................................................................................................477
Enabling UDP Helper........................................................................................................................ 477
Configuring a Broadcast Address.....................................................................................................477
Configurations Using UDP Helper................................................................................................... 478
UDP Helper with Broadcast-All Addresses...................................................................................... 478
UDP Helper with Subnet Broadcast Addresses............................................................................... 479
UDP Helper with Configured Broadcast Addresses........................................................................480
UDP Helper with No Configured Broadcast Addresses..................................................................480
Troubleshooting UDP Helper.......................................................................................................... 480
25 IPv6 Routing................................................................................................... 482
Protocol Overview............................................................................................................................482
Extended Address Space............................................................................................................ 482
Stateless Autoconfiguration....................................................................................................... 482
IPv6 Headers............................................................................................................................... 483
IPv6 Header Fields...................................................................................................................... 484
Extension Header Fields............................................................................................................. 485
Addressing...................................................................................................................................486
Implementing IPv6 with Dell Networking OS..................................................................................487
ICMPv6..............................................................................................................................................490
Path MTU Discovery.........................................................................................................................490
IPv6 Neighbor Discovery.................................................................................................................. 491
IPv6 Neighbor Discovery of MTU Packets.................................................................................492
Configuration Task List for IPv6 RDNSS.......................................................................................... 492
Configuring the IPv6 Recursive DNS Server.............................................................................. 492
Debugging IPv6 RDNSS Information Sent to the Host ............................................................ 493
Displaying IPv6 RDNSS Information...........................................................................................494
Secure Shell (SSH) Over an IPv6 Transport..................................................................................... 494
Configuration Tasks for IPv6............................................................................................................495
Adjusting Your CAM-Profile....................................................................................................... 495
Assigning an IPv6 Address to an Interface.................................................................................496
Assigning a Static IPv6 Route..................................................................................................... 496
Configuring Telnet with IPv6......................................................................................................497
SNMP over IPv6...........................................................................................................................497
Displaying IPv6 Information....................................................................................................... 497
Displaying an IPv6 Interface Information.................................................................................. 498
Showing IPv6 Routes..................................................................................................................499
Showing the Running-Configuration for an Interface..............................................................500
17
Clearing IPv6 Routes.................................................................................................................. 500
Configuring IPv6 RA Guard...............................................................................................................501
Configuring IPv6 RA Guard on an Interface.............................................................................. 503
Monitoring IPv6 RA Guard..........................................................................................................503
26 iSCSI Optimization........................................................................................ 504
iSCSI Optimization Overview........................................................................................................... 504
Monitoring iSCSI Traffic Flows................................................................................................... 506
Application of Quality of Service to iSCSI Traffic Flows............................................................506
Information Monitored in iSCSI Traffic Flows............................................................................506
Detection and Auto-Configuration for Dell EqualLogic Arrays................................................ 507
Configuring Detection and Ports for Dell Compellent Arrays..................................................508
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer........................................508
Enable and Disable iSCSI Optimization..................................................................................... 508
Default iSCSI Optimization Values...................................................................................................509
iSCSI Optimization Prerequisites......................................................................................................510
Configuring iSCSI Optimization....................................................................................................... 510
Displaying iSCSI Optimization Information......................................................................................512
27 Intermediate System to Intermediate System.......................................... 514
IS-IS Protocol Overview....................................................................................................................514
IS-IS Addressing.................................................................................................................................514
Multi-Topology IS-IS.........................................................................................................................515
Transition Mode...........................................................................................................................515
Interface Support.........................................................................................................................516
Adjacencies..................................................................................................................................516
Graceful Restart.................................................................................................................................516
Timers.......................................................................................................................................... 516
Implementation Information.............................................................................................................517
Configuration Information................................................................................................................518
Configuration Tasks for IS-IS......................................................................................................518
Configuring the Distance of a Route..........................................................................................527
Changing the IS-Type................................................................................................................. 527
Redistributing IPv4 Routes..........................................................................................................530
Redistributing IPv6 Routes..........................................................................................................530
Configuring Authentication Passwords......................................................................................531
Setting the Overload Bit..............................................................................................................532
Debugging IS-IS.......................................................................................................................... 532
IS-IS Metric Styles............................................................................................................................. 534
Configure Metric Values................................................................................................................... 534
Maximum Values in the Routing Table...................................................................................... 534
Change the IS-IS Metric Style in One Level Only...................................................................... 534
18
Leaks from One Level to Another.............................................................................................. 536
Sample Configurations..................................................................................................................... 537
28 Link Aggregation Control Protocol (LACP)...............................................540
Introduction to Dynamic LAGs and LACP....................................................................................... 540
Important Points to Remember................................................................................................. 540
LACP Modes................................................................................................................................ 541
Configuring LACP Commands................................................................................................... 541
LACP Configuration Tasks................................................................................................................542
Creating a LAG............................................................................................................................ 542
Configuring the LAG Interfaces as Dynamic..............................................................................543
Setting the LACP Long Timeout.................................................................................................543
Monitoring and Debugging LACP.............................................................................................. 544
Shared LAG State Tracking...............................................................................................................544
Configuring Shared LAG State Tracking.....................................................................................545
Important Points about Shared LAG State Tracking..................................................................546
LACP Basic Configuration Example................................................................................................. 547
Configure a LAG on ALPHA........................................................................................................ 547
29 Layer 2.............................................................................................................. 555
Manage the MAC Address Table...................................................................................................... 555
Clearing the MAC Address Table................................................................................................555
Setting the Aging Time for Dynamic Entries..............................................................................555
Configuring a Static MAC Address............................................................................................. 556
Displaying the MAC Address Table.............................................................................................556
MAC Learning Limit...........................................................................................................................556
Setting the MAC Learning Limit.................................................................................................. 557
mac learning-limit Dynamic....................................................................................................... 557
mac learning-limit mac-address-sticky.....................................................................................558
mac learning-limit station-move............................................................................................... 558
mac learning-limit no-station-move.........................................................................................558
Learning Limit Violation Actions.................................................................................................559
Setting Station Move Violation Actions......................................................................................559
Recovering from Learning Limit and Station Move Violations..................................................560
NIC Teaming.....................................................................................................................................560
Configure Redundant Pairs...............................................................................................................561
Important Points about Configuring Redundant Pairs..............................................................563
Far-End Failure Detection................................................................................................................ 564
FEFD State Changes....................................................................................................................565
Configuring FEFD........................................................................................................................566
Enabling FEFD on an Interface................................................................................................... 567
Debugging FEFD......................................................................................................................... 568
19
30 Link Layer Discovery Protocol (LLDP)........................................................570
802.1AB (LLDP) Overview................................................................................................................. 570
Protocol Data Units.....................................................................................................................570
Optional TLVs.................................................................................................................................... 571
Management TLVs....................................................................................................................... 571
TIA-1057 (LLDP-MED) Overview...................................................................................................... 573
TIA Organizationally Specific TLVs............................................................................................. 574
Configure LLDP.................................................................................................................................578
Related Configuration Tasks.......................................................................................................578
Important Points to Remember..................................................................................................578
LLDP Compatibility......................................................................................................................579
CONFIGURATION versus INTERFACE Configurations....................................................................579
Enabling LLDP...................................................................................................................................580
Disabling and Undoing LLDP......................................................................................................580
Enabling LLDP on Management Ports.............................................................................................580
Disabling and Undoing LLDP on Management Ports................................................................580
Advertising TLVs................................................................................................................................ 581
Viewing the LLDP Configuration......................................................................................................582
Viewing Information Advertised by Adjacent LLDP Agents.............................................................583
Configuring LLDPDU Intervals......................................................................................................... 584
Configuring Transmit and Receive Mode........................................................................................584
Configuring the Time to Live Value................................................................................................. 585
Debugging LLDP...............................................................................................................................586
Relevant Management Objects........................................................................................................ 587
31 Microsoft Network Load Balancing............................................................ 593
NLB Unicast Mode Scenario.............................................................................................................593
NLB Multicast Mode Scenario.......................................................................................................... 594
Limitations of the NLB Feature.........................................................................................................594
Microsoft Clustering......................................................................................................................... 594
Enable and Disable VLAN Flooding .................................................................................................595
Configuring a Switch for NLB ..........................................................................................................595
Enabling a Switch for Multicast NLB.......................................................................................... 595
32 Multicast Source Discovery Protocol (MSDP)...........................................597
Protocol Overview............................................................................................................................ 597
Anycast RP........................................................................................................................................ 599
Implementation Information............................................................................................................599
Configure Multicast Source Discovery Protocol.............................................................................599
Related Configuration Tasks...................................................................................................... 599
Enable MSDP.....................................................................................................................................603
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Dell PowerSwitch S4048-ON User manual
- Category
- General utility software
- Type
- User manual
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