Dell Networking S3100 Series User guide
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- Software
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- User guide
Dell Configuration Guide for the S3100 Series
9.11(0.0)
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other
trademarks may be trademarks of their respective owners.
2017 - 01
Rev. A00
Contents
1 About this Guide...........................................................................................................................................33
Audience............................................................................................................................................................................33
Conventions......................................................................................................................................................................33
Related Documents......................................................................................................................................................... 33
2 Configuration Fundamentals........................................................................................................................34
Accessing the Command Line........................................................................................................................................34
CLI Modes.........................................................................................................................................................................34
Navigating CLI Modes...............................................................................................................................................36
The do Command............................................................................................................................................................ 39
Undoing Commands........................................................................................................................................................ 39
Obtaining Help..................................................................................................................................................................40
Entering and Editing Commands................................................................................................................................... 40
Command History.............................................................................................................................................................41
Filtering show Command Outputs..................................................................................................................................41
Example of the grep Keyword.................................................................................................................................. 41
Multiple Users in Configuration Mode...........................................................................................................................42
3 Getting Started........................................................................................................................................... 44
Console Access................................................................................................................................................................45
Serial Console.............................................................................................................................................................45
Accessing the CLI Interface and Running Scripts Using SSH................................................................................... 46
Entering CLI commands Using an SSH Connection..............................................................................................46
Executing Local CLI Scripts Using an SSH Connection........................................................................................46
Default Configuration...................................................................................................................................................... 47
Configuring a Host Name................................................................................................................................................47
Accessing the System Remotely................................................................................................................................... 47
Accessing the System Remotely............................................................................................................................. 47
Configure the Management Port IP Address.........................................................................................................48
Configure a Management Route............................................................................................................................. 48
Configuring a Username and Password..................................................................................................................48
Configuring the Enable Password................................................................................................................................. 49
Configuration File Management.....................................................................................................................................49
Copy Files to and from the System.........................................................................................................................49
Mounting an NFS File System................................................................................................................................. 50
Save the Running-Configuration............................................................................................................................. 52
Configure the Overload Bit for a Startup Scenario...............................................................................................52
Viewing Files...............................................................................................................................................................52
Compressing Configuration Files............................................................................................................................. 53
Managing the File System.............................................................................................................................................. 56
Enabling Software Features on Devices Using a Command Option.........................................................................56
View Command History.................................................................................................................................................. 57
Contents
3
Upgrading Dell Networking OS...................................................................................................................................... 57
Verify Software Images Before Installation.................................................................................................................. 57
Using HTTP for File Transfers....................................................................................................................................... 58
4 Management............................................................................................................................................... 60
Configuring Privilege Levels........................................................................................................................................... 60
Creating a Custom Privilege Level.......................................................................................................................... 60
Removing a Command from EXEC Mode...............................................................................................................61
Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................ 61
Allowing Access to CONFIGURATION Mode Commands.................................................................................... 61
Allowing Access to Different Modes........................................................................................................................61
Applying a Privilege Level to a Username...............................................................................................................63
Applying a Privilege Level to a Terminal Line......................................................................................................... 63
Configuring Logging........................................................................................................................................................ 63
Audit and Security Logs............................................................................................................................................64
Configuring Logging Format .................................................................................................................................. 65
Display the Logging Buffer and the Logging Configuration................................................................................. 66
Setting Up a Secure Connection to a Syslog Server............................................................................................ 66
Sending System Messages to a Syslog Server......................................................................................................68
Track Login Activity.........................................................................................................................................................68
Restrictions for Tracking Login Activity..................................................................................................................68
Configuring Login Activity Tracking........................................................................................................................ 68
Display Login Statistics............................................................................................................................................. 69
Limit Concurrent Login Sessions................................................................................................................................... 70
Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 70
Configuring Concurrent Session Limit.................................................................................................................... 70
Enabling the System to Clear Existing Sessions.....................................................................................................71
Enabling Secured CLI Mode........................................................................................................................................... 72
Log Messages in the Internal Buffer............................................................................................................................. 72
Configuration Task List for System Log Management......................................................................................... 72
Disabling System Logging............................................................................................................................................... 72
Sending System Messages to a Syslog Server............................................................................................................73
Configuring a UNIX System as a Syslog Server.....................................................................................................73
Changing System Logging Settings.............................................................................................................................. 73
Display the Logging Buffer and the Logging Configuration....................................................................................... 74
Configuring a UNIX Logging Facility Level....................................................................................................................74
Synchronizing Log Messages.........................................................................................................................................75
Enabling Timestamp on Syslog Messages....................................................................................................................76
File Transfer Services......................................................................................................................................................76
Configuration Task List for File Transfer Services.................................................................................................77
Enabling the FTP Server........................................................................................................................................... 77
Configuring FTP Server Parameters....................................................................................................................... 77
Configuring FTP Client Parameters.........................................................................................................................78
Terminal Lines...................................................................................................................................................................78
Denying and Permitting Access to a Terminal Line............................................................................................... 78
Configuring Login Authentication for Terminal Lines............................................................................................ 79
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Contents
Setting Timeout for EXEC Privilege Mode...................................................................................................................80
Using Telnet to get to Another Network Device..........................................................................................................81
Lock CONFIGURATION Mode....................................................................................................................................... 81
Viewing the Configuration Lock Status...................................................................................................................81
5 802.1X......................................................................................................................................................... 83
Port-Authentication Process......................................................................................................................................... 85
EAP over RADIUS......................................................................................................................................................85
Configuring 802.1X.......................................................................................................................................................... 86
Related Configuration Tasks.................................................................................................................................... 86
Important Points to Remember..................................................................................................................................... 86
Enabling 802.1X................................................................................................................................................................87
Configuring dot1x Profile ................................................................................................................................................88
Configuring MAC addresses for a do1x Profile............................................................................................................ 89
Configuring the Static MAB and MAB Profile ............................................................................................................ 89
Configuring Critical VLAN ..............................................................................................................................................90
Configuring Request Identity Re-Transmissions.......................................................................................................... 91
Configuring a Quiet Period after a Failed Authentication......................................................................................91
Forcibly Authorizing or Unauthorizing a Port...............................................................................................................92
Re-Authenticating a Port................................................................................................................................................93
Configuring Timeouts......................................................................................................................................................94
Configuring Dynamic VLAN Assignment with Port Authentication.......................................................................... 95
Guest and Authentication-Fail VLANs.......................................................................................................................... 96
Configuring a Guest VLAN....................................................................................................................................... 96
Configuring an Authentication-Fail VLAN...............................................................................................................96
6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)...................................98
Optimizing CAM Utilization During the Attachment of ACLs to VLANs..................................................................98
Guidelines for Configuring ACL VLAN Groups.............................................................................................................99
Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters................................................99
Configuring ACL VLAN Groups............................................................................................................................... 99
Configuring FP Blocks for VLAN Parameters...................................................................................................... 100
Viewing CAM Usage.......................................................................................................................................................101
Allocating FP Blocks for VLAN Processes.................................................................................................................. 102
7 Access Control Lists (ACLs).......................................................................................................................104
IP Access Control Lists (ACLs)....................................................................................................................................105
CAM Usage...............................................................................................................................................................106
Implementing ACLs on Dell Networking OS......................................................................................................... 106
Important Points to Remember....................................................................................................................................108
Configuration Task List for Route Maps............................................................................................................... 108
Configuring Match Routes.......................................................................................................................................110
Configuring Set Conditions.......................................................................................................................................111
Configure a Route Map for Route Redistribution................................................................................................. 112
Configure a Route Map for Route Tagging........................................................................................................... 113
Continue Clause........................................................................................................................................................ 113
Contents
5
IP Fragment Handling..................................................................................................................................................... 114
IP Fragments ACL Examples................................................................................................................................... 114
Layer 4 ACL Rules Examples................................................................................................................................... 114
Configure a Standard IP ACL........................................................................................................................................ 115
Configuring a Standard IP ACL Filter..................................................................................................................... 116
Configure an Extended IP ACL......................................................................................................................................117
Configuring Filters with a Sequence Number........................................................................................................117
Configuring Filters Without a Sequence Number................................................................................................. 118
Configure Layer 2 and Layer 3 ACLs............................................................................................................................119
Assign an IP ACL to an Interface................................................................................................................................. 120
Applying an IP ACL.........................................................................................................................................................120
Counting ACL Hits.................................................................................................................................................... 121
Configure Ingress ACLs..................................................................................................................................................121
Configure Egress ACLs.................................................................................................................................................. 121
Applying Egress Layer 3 ACLs (Control-Plane)....................................................................................................122
IP Prefix Lists.................................................................................................................................................................. 123
Implementation Information.................................................................................................................................... 123
Configuration Task List for Prefix Lists................................................................................................................. 123
ACL Resequencing......................................................................................................................................................... 127
Resequencing an ACL or Prefix List.......................................................................................................................127
Route Maps.....................................................................................................................................................................129
Implementation Information....................................................................................................................................129
Logging of ACL Processes............................................................................................................................................129
Guidelines for Configuring ACL Logging............................................................................................................... 130
Configuring ACL Logging........................................................................................................................................ 130
Flow-Based Monitoring Support for ACLs.................................................................................................................. 131
Behavior of Flow-Based Monitoring.......................................................................................................................131
Enabling Flow-Based Monitoring............................................................................................................................133
8 Bidirectional Forwarding Detection (BFD)..................................................................................................135
How BFD Works.............................................................................................................................................................135
BFD Packet Format................................................................................................................................................. 136
BFD Sessions............................................................................................................................................................ 137
BFD Three-Way Handshake................................................................................................................................... 138
Session State Changes............................................................................................................................................140
Important Points to Remember....................................................................................................................................140
Configure BFD................................................................................................................................................................ 140
Configure BFD for Physical Ports...........................................................................................................................141
Configure BFD for Static Routes........................................................................................................................... 142
Configure BFD for OSPF.........................................................................................................................................145
Configure BFD for OSPFv3.................................................................................................................................... 148
Configure BFD for IS-IS...........................................................................................................................................149
Configure BFD for BGP............................................................................................................................................151
Configure BFD for VRRP........................................................................................................................................ 158
Configuring Protocol Liveness.................................................................................................................................161
Troubleshooting BFD................................................................................................................................................161
6
Contents
9 Border Gateway Protocol IPv4 (BGPv4)....................................................................................................163
Autonomous Systems (AS)...........................................................................................................................................163
Sessions and Peers........................................................................................................................................................ 165
Establish a Session...................................................................................................................................................165
Route Reflectors............................................................................................................................................................ 166
BGP Attributes................................................................................................................................................................167
Best Path Selection Criteria....................................................................................................................................168
Weight....................................................................................................................................................................... 169
Local Preference...................................................................................................................................................... 169
Multi-Exit Discriminators (MEDs).......................................................................................................................... 170
Origin...........................................................................................................................................................................171
AS Path......................................................................................................................................................................172
Next Hop................................................................................................................................................................... 172
Multiprotocol BGP..........................................................................................................................................................172
Implement BGP with Dell Networking OS...................................................................................................................173
Additional Path (Add-Path) Support..................................................................................................................... 173
Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 173
Ignore Router-ID in Best-Path Calculation............................................................................................................174
Four-Byte AS Numbers........................................................................................................................................... 174
AS4 Number Representation.................................................................................................................................. 174
AS Number Migration.............................................................................................................................................. 176
BGP4 Management Information Base (MIB)........................................................................................................177
Important Points to Remember.............................................................................................................................. 177
Configuration Information............................................................................................................................................. 178
BGP Configuration......................................................................................................................................................... 178
Enabling BGP............................................................................................................................................................ 179
Configuring AS4 Number Representations...........................................................................................................182
Configuring Peer Groups.........................................................................................................................................184
Configuring BGP Fast Fall-Over.............................................................................................................................186
Configuring Passive Peering................................................................................................................................... 188
Maintaining Existing AS Numbers During an AS Migration.................................................................................188
Allowing an AS Number to Appear in its Own AS Path.......................................................................................189
Enabling Graceful Restart....................................................................................................................................... 190
Enabling Neighbor Graceful Restart.......................................................................................................................191
Filtering on an AS-Path Attribute........................................................................................................................... 191
Regular Expressions as Filters................................................................................................................................ 193
Redistributing Routes.............................................................................................................................................. 194
Enabling Additional Paths........................................................................................................................................195
Configuring IP Community Lists.............................................................................................................................195
Configuring an IP Extended Community List........................................................................................................196
Filtering Routes with Community Lists..................................................................................................................197
Manipulating the COMMUNITY Attribute.............................................................................................................198
Changing MED Attributes.......................................................................................................................................199
Changing the LOCAL_PREFERENCE Attribute..................................................................................................199
Configuring the local System or a Different System to be the Next Hop for BGP-Learned Routes...........200
Contents
7
Changing the WEIGHT Attribute........................................................................................................................... 201
Enabling Multipath....................................................................................................................................................201
Filtering BGP Routes............................................................................................................................................... 201
Filtering BGP Routes Using Route Maps............................................................................................................. 203
Filtering BGP Routes Using AS-PATH Information.............................................................................................203
Configuring BGP Route Reflectors....................................................................................................................... 204
Aggregating Routes................................................................................................................................................ 205
Configuring BGP Confederations..........................................................................................................................205
Enabling Route Flap Dampening............................................................................................................................206
Changing BGP Timers.............................................................................................................................................208
Enabling BGP Neighbor Soft-Reconfiguration.................................................................................................... 208
Enabling or disabling BGP neighbors.....................................................................................................................209
Route Map Continue.................................................................................................................................................211
Enabling MBGP Configurations.....................................................................................................................................211
BGP Regular Expression Optimization.........................................................................................................................212
Debugging BGP.............................................................................................................................................................. 212
Storing Last and Bad PDUs.................................................................................................................................... 213
Capturing PDUs........................................................................................................................................................214
PDU Counters...........................................................................................................................................................215
Sample Configurations...................................................................................................................................................215
10 Content Addressable Memory (CAM)...................................................................................................... 222
CAM Allocation.............................................................................................................................................................. 222
Test CAM Usage........................................................................................................................................................... 224
View CAM-ACL Settings..............................................................................................................................................224
View CAM Usage...........................................................................................................................................................226
CAM Optimization......................................................................................................................................................... 226
Troubleshoot CAM Profiling.........................................................................................................................................226
CAM Profile Mismatches........................................................................................................................................226
QoS CAM Region Limitation...................................................................................................................................227
11 Control Plane Policing (CoPP)..................................................................................................................228
Configure Control Plane Policing.................................................................................................................................229
Configuring CoPP for Protocols............................................................................................................................230
Configuring CoPP for CPU Queues...................................................................................................................... 232
CoPP for OSPFv3 Packets.................................................................................................................................... 233
Configuring CoPP for OSPFv3..............................................................................................................................236
Displaying CoPP Configuration .............................................................................................................................236
12 Dynamic Host Configuration Protocol (DHCP).........................................................................................239
DHCP Packet Format and Options............................................................................................................................. 239
Assign an IP Address using DHCP................................................................................................................................241
Implementation Information......................................................................................................................................... 242
Configure the System to be a DHCP Server............................................................................................................. 242
Configuring the Server for Automatic Address Allocation................................................................................. 243
Specifying a Default Gateway................................................................................................................................244
8
Contents
Configure a Method of Hostname Resolution..................................................................................................... 244
Using DNS for Address Resolution........................................................................................................................244
Using NetBIOS WINS for Address Resolution.....................................................................................................245
Creating Manual Binding Entries........................................................................................................................... 245
Debugging the DHCP Server.................................................................................................................................245
Using DHCP Clear Commands.............................................................................................................................. 246
Configure the System to be a Relay Agent................................................................................................................246
Configure the System to be a DHCP Client...............................................................................................................248
Configuring the DHCP Client System...................................................................................................................248
DHCP Client on a Management Interface............................................................................................................249
DHCP Client Operation with Other Features...................................................................................................... 250
Configure the System for User Port Stacking (Option 230)................................................................................... 251
Configure Secure DHCP............................................................................................................................................... 251
Option 82...................................................................................................................................................................251
DHCP Snooping.......................................................................................................................................................252
Drop DHCP Packets on Snooped VLANs Only................................................................................................... 255
Dynamic ARP Inspection........................................................................................................................................ 256
Configuring Dynamic ARP Inspection................................................................................................................... 257
Source Address Validation............................................................................................................................................258
Enabling IP Source Address Validation................................................................................................................. 258
DHCP MAC Source Address Validation................................................................................................................259
Enabling IP+MAC Source Address Validation......................................................................................................259
Viewing the Number of SAV Dropped Packets...................................................................................................260
Clearing the Number of SAV Dropped Packets.................................................................................................. 260
13 Equal Cost Multi-Path (ECMP)................................................................................................................ 261
ECMP for Flow-Based Affinity.....................................................................................................................................261
Configuring the Hash Algorithm.............................................................................................................................261
Enabling Deterministic ECMP Next Hop...............................................................................................................261
Configuring the Hash Algorithm Seed.................................................................................................................. 262
Link Bundle Monitoring................................................................................................................................................. 262
Managing ECMP Group Paths...............................................................................................................................263
Creating an ECMP Group Bundle..........................................................................................................................263
Modifying the ECMP Group Threshold................................................................................................................ 263
14 FIPS Cryptography.................................................................................................................................. 265
Configuration Tasks...................................................................................................................................................... 265
Preparing the System................................................................................................................................................... 265
Enabling FIPS Mode......................................................................................................................................................266
Generating Host-Keys.................................................................................................................................................. 266
Monitoring FIPS Mode Status..................................................................................................................................... 266
Disabling FIPS Mode......................................................................................................................................................267
15 Force10 Resilient Ring Protocol (FRRP).................................................................................................. 268
Protocol Overview.........................................................................................................................................................268
Ring Status...............................................................................................................................................................269
Contents
9
Multiple FRRP Rings............................................................................................................................................... 269
Important FRRP Points...........................................................................................................................................270
Important FRRP Concepts......................................................................................................................................271
Implementing FRRP.......................................................................................................................................................272
FRRP Configuration.......................................................................................................................................................272
Creating the FRRP Group.......................................................................................................................................272
Configuring the Control VLAN...............................................................................................................................273
Configuring and Adding the Member VLANs.......................................................................................................274
Setting the FRRP Timers........................................................................................................................................275
Clearing the FRRP Counters..................................................................................................................................275
Viewing the FRRP Configuration...........................................................................................................................275
Viewing the FRRP Information.............................................................................................................................. 275
Troubleshooting FRRP..................................................................................................................................................276
Configuration Checks..............................................................................................................................................276
Sample Configuration and Topology........................................................................................................................... 276
16 GARP VLAN Registration Protocol (GVRP)............................................................................................. 278
Important Points to Remember................................................................................................................................... 278
Configure GVRP............................................................................................................................................................ 279
Related Configuration Tasks.................................................................................................................................. 279
Enabling GVRP Globally................................................................................................................................................280
Enabling GVRP on a Layer 2 Interface....................................................................................................................... 280
Configure GVRP Registration......................................................................................................................................280
Configure a GARP Timer...............................................................................................................................................281
RPM Redundancy.......................................................................................................................................................... 281
17 High Availability (HA)............................................................................................................................... 283
Component Redundancy..............................................................................................................................................283
Automatic and Manual Stack Unit Failover..........................................................................................................283
Synchronization between Management and Standby Units..............................................................................284
Forcing a Stack Unit Failover.................................................................................................................................284
Disabling Auto-Reboot............................................................................................................................................285
Manually Synchronizing Management and Standby Units.................................................................................285
Pre-Configuring a Stack Unit Slot...............................................................................................................................285
Removing a Provisioned Logical Stack Unit...............................................................................................................286
Hitless Behavior............................................................................................................................................................. 286
Graceful Restart............................................................................................................................................................ 286
Software Resiliency.......................................................................................................................................................287
Software Component Health Monitoring............................................................................................................. 287
System Health Monitoring......................................................................................................................................287
Failure and Event Logging...................................................................................................................................... 287
Hot-Lock Behavior........................................................................................................................................................ 288
18 Internet Group Management Protocol (IGMP).........................................................................................289
IGMP Implementation Information.............................................................................................................................. 289
IGMP Protocol Overview............................................................................................................................................. 289
10
Contents
IGMP Version 2........................................................................................................................................................289
IGMP Version 3.........................................................................................................................................................291
Configure IGMP.............................................................................................................................................................294
Related Configuration Tasks.................................................................................................................................. 294
Viewing IGMP Enabled Interfaces...............................................................................................................................295
Selecting an IGMP Version...........................................................................................................................................295
Viewing IGMP Groups...................................................................................................................................................295
Adjusting Timers............................................................................................................................................................ 296
Adjusting Query and Response Timers.................................................................................................................296
Preventing a Host from Joining a Group....................................................................................................................297
Enabling IGMP Immediate-Leave................................................................................................................................300
IGMP Snooping..............................................................................................................................................................300
IGMP Snooping Implementation Information.......................................................................................................300
Configuring IGMP Snooping.................................................................................................................................. 300
Removing a Group-Port Association..................................................................................................................... 301
Disabling Multicast Flooding....................................................................................................................................301
Specifying a Port as Connected to a Multicast Router......................................................................................302
Configuring the Switch as Querier........................................................................................................................302
Fast Convergence after MSTP Topology Changes..................................................................................................303
Egress Interface Selection (EIS) for HTTP and IGMP Applications....................................................................... 303
Protocol Separation.................................................................................................................................................303
Enabling and Disabling Management Egress Interface Selection......................................................................304
Handling of Management Route Configuration...................................................................................................305
Handling of Switch-Initiated Traffic......................................................................................................................306
Handling of Switch-Destined Traffic.................................................................................................................... 306
Handling of Transit Traffic (Traffic Separation)..................................................................................................307
Mapping of Management Applications and Traffic Type................................................................................... 307
Behavior of Various Applications for Switch-Initiated Traffic ...........................................................................308
Behavior of Various Applications for Switch-Destined Traffic .........................................................................309
Interworking of EIS With Various Applications..................................................................................................... 310
Designating a Multicast Router Interface.................................................................................................................... 311
19 Interfaces................................................................................................................................................. 312
Basic Interface Configuration....................................................................................................................................... 312
Advanced Interface Configuration............................................................................................................................... 312
Interface Types...............................................................................................................................................................313
Optional Modules............................................................................................................................................................313
View Basic Interface Information................................................................................................................................. 314
Resetting an Interface to its Factory Default State.................................................................................................. 315
Enabling Energy Efficient Ethernet..............................................................................................................................316
View EEE Information....................................................................................................................................................316
Clear EEE Counters.......................................................................................................................................................320
Enabling a Physical Interface........................................................................................................................................ 321
Physical Interfaces......................................................................................................................................................... 321
Configuration Task List for Physical Interfaces...................................................................................................322
Overview of Layer Modes...................................................................................................................................... 322
Contents
11
Configuring Layer 2 (Data Link) Mode................................................................................................................. 322
Configuring Layer 2 (Interface) Mode..................................................................................................................323
Configuring Layer 3 (Network) Mode.................................................................................................................. 323
Configuring Layer 3 (Interface) Mode..................................................................................................................324
Egress Interface Selection (EIS)..................................................................................................................................324
Important Points to Remember............................................................................................................................. 324
Configuring EIS........................................................................................................................................................ 325
Management Interfaces............................................................................................................................................... 325
Configuring Management Interfaces.................................................................................................................... 325
Configuring a Management Interface on an Ethernet Port............................................................................... 327
VLAN Interfaces.............................................................................................................................................................327
Loopback Interfaces......................................................................................................................................................328
Null Interfaces................................................................................................................................................................ 328
Port Channel Interfaces................................................................................................................................................328
Port Channel Definition and Standards................................................................................................................ 329
Port Channel Benefits.............................................................................................................................................329
Port Channel Implementation................................................................................................................................ 329
Interfaces in Port Channels....................................................................................................................................330
Configuration Tasks for Port Channel Interfaces................................................................................................330
Creating a Port Channel......................................................................................................................................... 330
Adding a Physical Interface to a Port Channel.....................................................................................................331
Reassigning an Interface to a New Port Channel................................................................................................332
Configuring the Minimum Oper Up Links in a Port Channel.............................................................................. 333
Adding or Removing a Port Channel from a VLAN............................................................................................. 333
Assigning an IP Address to a Port Channel..........................................................................................................334
Deleting or Disabling a Port Channel.....................................................................................................................335
Load Balancing Through Port Channels............................................................................................................... 335
Load-Balancing Method......................................................................................................................................... 335
Changing the Hash Algorithm................................................................................................................................336
Bulk Configuration......................................................................................................................................................... 337
Interface Range........................................................................................................................................................337
Bulk Configuration Examples..................................................................................................................................337
Defining Interface Range Macros................................................................................................................................339
Define the Interface Range.................................................................................................................................... 339
Choosing an Interface-Range Macro....................................................................................................................339
Monitoring and Maintaining Interfaces.......................................................................................................................340
Maintenance Using TDR..........................................................................................................................................341
Link Dampening.............................................................................................................................................................. 341
Important Points to Remember..............................................................................................................................341
Enabling Link Dampening........................................................................................................................................342
Link Bundle Monitoring................................................................................................................................................. 343
Using Ethernet Pause Frames for Flow Control........................................................................................................344
Enabling Pause Frames...........................................................................................................................................344
Configure the MTU Size on an Interface................................................................................................................... 345
Port-Pipes.......................................................................................................................................................................346
12
Contents
Auto-Negotiation on Ethernet Interfaces...................................................................................................................346
Setting the Speed of Ethernet Interfaces............................................................................................................346
Set Auto-Negotiation Options............................................................................................................................... 348
Provisioning Combo Ports............................................................................................................................................349
View Advanced Interface Information........................................................................................................................ 349
Configuring the Interface Sampling Size..............................................................................................................350
Configuring the Traffic Sampling Size Globally.......................................................................................................... 351
Dynamic Counters......................................................................................................................................................... 352
Clearing Interface Counters................................................................................................................................... 353
20 Internet Protocol Security (IPSec)..........................................................................................................354
Configuring IPSec .........................................................................................................................................................354
21 IPv4 Routing............................................................................................................................................ 356
IP Addresses...................................................................................................................................................................357
Implementation Information................................................................................................................................... 357
Configuration Tasks for IP Addresses.........................................................................................................................357
Assigning IP Addresses to an Interface...................................................................................................................... 357
Configuring Static Routes............................................................................................................................................ 358
Configure Static Routes for the Management Interface......................................................................................... 359
IPv4 Path MTU Discovery Overview..........................................................................................................................360
Using the Configured Source IP Address in ICMP Messages................................................................................. 360
Configuring the ICMP Source Interface...............................................................................................................360
Configuring the Duration to Establish a TCP Connection.........................................................................................361
Enabling Directed Broadcast.........................................................................................................................................361
Resolution of Host Names............................................................................................................................................ 361
Enabling Dynamic Resolution of Host Names............................................................................................................362
Specifying the Local System Domain and a List of Domains...................................................................................362
Configuring DNS with Traceroute...............................................................................................................................363
ARP................................................................................................................................................................................. 363
Configuration Tasks for ARP....................................................................................................................................... 364
Configuring Static ARP Entries....................................................................................................................................364
Enabling Proxy ARP.......................................................................................................................................................364
Clearing ARP Cache......................................................................................................................................................365
ARP Learning via Gratuitous ARP...............................................................................................................................365
Enabling ARP Learning via Gratuitous ARP............................................................................................................... 365
ARP Learning via ARP Request...................................................................................................................................365
Configuring ARP Retries...............................................................................................................................................366
ICMP................................................................................................................................................................................367
Configuration Tasks for ICMP......................................................................................................................................367
Enabling ICMP Unreachable Messages...................................................................................................................... 367
UDP Helper.....................................................................................................................................................................367
Configure UDP Helper.............................................................................................................................................367
Important Points to Remember.............................................................................................................................368
Enabling UDP Helper.....................................................................................................................................................368
Configuring a Broadcast Address................................................................................................................................368
Contents
13
Configurations Using UDP Helper............................................................................................................................... 369
UDP Helper with Broadcast-All Addresses................................................................................................................ 369
UDP Helper with Subnet Broadcast Addresses........................................................................................................ 370
UDP Helper with Configured Broadcast Addresses..................................................................................................370
UDP Helper with No Configured Broadcast Addresses............................................................................................ 371
Troubleshooting UDP Helper........................................................................................................................................ 371
22 IPv6 Routing............................................................................................................................................ 372
Protocol Overview.........................................................................................................................................................372
Extended Address Space........................................................................................................................................373
Stateless Autoconfiguration................................................................................................................................... 373
IPv6 Headers............................................................................................................................................................373
IPv6 Header Fields...................................................................................................................................................374
Extension Header Fields..........................................................................................................................................376
Addressing................................................................................................................................................................ 377
Implementing IPv6 with Dell Networking OS.............................................................................................................378
ICMPv6........................................................................................................................................................................... 379
Path MTU Discovery.....................................................................................................................................................380
IPv6 Neighbor Discovery..............................................................................................................................................380
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................381
Configuration Task List for IPv6 RDNSS.................................................................................................................... 381
Configuring the IPv6 Recursive DNS Server........................................................................................................381
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................382
Displaying IPv6 RDNSS Information......................................................................................................................383
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................. 383
Configuration Tasks for IPv6....................................................................................................................................... 384
Adjusting Your CAM-Profile................................................................................................................................... 384
Assigning an IPv6 Address to an Interface.......................................................................................................... 385
Assigning a Static IPv6 Route................................................................................................................................385
Configuring Telnet with IPv6................................................................................................................................. 386
SNMP over IPv6......................................................................................................................................................386
Displaying IPv6 Information....................................................................................................................................386
Displaying an IPv6 Interface Information..............................................................................................................387
Showing IPv6 Routes..............................................................................................................................................387
Showing the Running-Configuration for an Interface........................................................................................ 389
Clearing IPv6 Routes...............................................................................................................................................389
Configuring IPv6 RA Guard..........................................................................................................................................389
Configuring IPv6 RA Guard on an Interface......................................................................................................... 391
Monitoring IPv6 RA Guard......................................................................................................................................391
23 iSCSI Optimization.................................................................................................................................. 393
iSCSI Optimization Overview.......................................................................................................................................393
Monitoring iSCSI Traffic Flows..............................................................................................................................395
Application of Quality of Service to iSCSI Traffic Flows.................................................................................... 395
Information Monitored in iSCSI Traffic Flows......................................................................................................395
Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................... 396
14
Contents
Configuring Detection and Ports for Dell Compellent Arrays............................................................................ 396
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer...............................................................397
Enable and Disable iSCSI Optimization................................................................................................................. 397
Default iSCSI Optimization Values.............................................................................................................................. 398
iSCSI Optimization Prerequisites.................................................................................................................................398
Configuring iSCSI Optimization................................................................................................................................... 398
Displaying iSCSI Optimization Information.................................................................................................................400
24 Intermediate System to Intermediate System..........................................................................................402
IS-IS Protocol Overview............................................................................................................................................... 402
IS-IS Addressing.............................................................................................................................................................402
Multi-Topology IS-IS..................................................................................................................................................... 403
Transition Mode.......................................................................................................................................................403
Interface Support.................................................................................................................................................... 404
Adjacencies...............................................................................................................................................................404
Graceful Restart............................................................................................................................................................ 404
Timers....................................................................................................................................................................... 404
Implementation Information......................................................................................................................................... 404
Configuration Information............................................................................................................................................ 405
Configuration Tasks for IS-IS.................................................................................................................................406
Configuring the Distance of a Route..................................................................................................................... 413
Changing the IS-Type..............................................................................................................................................414
Redistributing IPv4 Routes..................................................................................................................................... 416
Redistributing IPv6 Routes......................................................................................................................................417
Configuring Authentication Passwords................................................................................................................. 418
Setting the Overload Bit..........................................................................................................................................418
Debugging IS-IS........................................................................................................................................................419
IS-IS Metric Styles.........................................................................................................................................................420
Configure Metric Values...............................................................................................................................................420
Maximum Values in the Routing Table.................................................................................................................. 421
Change the IS-IS Metric Style in One Level Only................................................................................................ 421
Leaks from One Level to Another......................................................................................................................... 422
Sample Configurations..................................................................................................................................................423
25 Link Aggregation Control Protocol (LACP)..............................................................................................426
Introduction to Dynamic LAGs and LACP.................................................................................................................. 426
Important Points to Remember.............................................................................................................................426
LACP Modes............................................................................................................................................................ 427
Configuring LACP Commands............................................................................................................................... 427
LACP Configuration Tasks........................................................................................................................................... 428
Creating a LAG.........................................................................................................................................................428
Configuring the LAG Interfaces as Dynamic........................................................................................................428
Setting the LACP Long Timeout........................................................................................................................... 429
Monitoring and Debugging LACP..........................................................................................................................429
Shared LAG State Tracking......................................................................................................................................... 430
Configuring Shared LAG State Tracking.............................................................................................................. 430
Contents
15
Important Points about Shared LAG State Tracking.......................................................................................... 432
LACP Basic Configuration Example............................................................................................................................ 432
Configure a LAG on ALPHA................................................................................................................................... 432
26 Layer 2..................................................................................................................................................... 441
Manage the MAC Address Table................................................................................................................................. 441
Clearing the MAC Address Table........................................................................................................................... 441
Setting the Aging Time for Dynamic Entries.........................................................................................................441
Configuring a Static MAC Address....................................................................................................................... 442
Displaying the MAC Address Table....................................................................................................................... 442
MAC Learning Limit.......................................................................................................................................................442
Setting the MAC Learning Limit............................................................................................................................ 443
mac learning-limit Dynamic.....................................................................................................................................443
mac learning-limit mac-address-sticky................................................................................................................. 443
mac learning-limit station-move............................................................................................................................ 444
mac learning-limit no-station-move...................................................................................................................... 444
Learning Limit Violation Actions.............................................................................................................................444
Setting Station Move Violation Actions................................................................................................................445
Recovering from Learning Limit and Station Move Violations...........................................................................445
Disabling MAC Address Learning on the System................................................................................................ 446
NIC Teaming...................................................................................................................................................................446
Configure Redundant Pairs.......................................................................................................................................... 447
Important Points about Configuring Redundant Pairs........................................................................................449
Far-End Failure Detection............................................................................................................................................ 450
FEFD State Changes............................................................................................................................................... 451
Configuring FEFD.................................................................................................................................................... 452
Enabling FEFD on an Interface.............................................................................................................................. 452
Debugging FEFD......................................................................................................................................................453
27 Link Layer Discovery Protocol (LLDP).....................................................................................................455
802.1AB (LLDP) Overview...........................................................................................................................................455
Protocol Data Units.................................................................................................................................................455
Optional TLVs................................................................................................................................................................ 456
Management TLVs..................................................................................................................................................456
TIA-1057 (LLDP-MED) Overview............................................................................................................................... 458
TIA Organizationally Specific TLVs........................................................................................................................458
Configure LLDP............................................................................................................................................................. 462
Related Configuration Tasks.................................................................................................................................. 462
Important Points to Remember.............................................................................................................................462
LLDP Compatibility..................................................................................................................................................463
CONFIGURATION versus INTERFACE Configurations........................................................................................... 463
Enabling LLDP................................................................................................................................................................463
Disabling and Undoing LLDP.................................................................................................................................. 464
Enabling LLDP on Management Ports........................................................................................................................464
Disabling and Undoing LLDP on Management Ports..........................................................................................464
Advertising TLVs............................................................................................................................................................464
16
Contents
Viewing the LLDP Configuration................................................................................................................................. 465
Viewing Information Advertised by Adjacent LLDP Agents.....................................................................................466
Configuring LLDPDU Intervals..................................................................................................................................... 467
Configuring Transmit and Receive Mode...................................................................................................................468
Configuring the Time to Live Value.............................................................................................................................468
Debugging LLDP............................................................................................................................................................469
Relevant Management Objects................................................................................................................................... 470
28 Microsoft Network Load Balancing..........................................................................................................475
NLB Unicast Mode Scenario........................................................................................................................................475
NLB Multicast Mode Scenario.....................................................................................................................................475
Limitations of the NLB Feature....................................................................................................................................476
Microsoft Clustering......................................................................................................................................................476
Enable and Disable VLAN Flooding .............................................................................................................................476
Configuring a Switch for NLB .....................................................................................................................................476
Enabling a Switch for Multicast NLB.....................................................................................................................477
29 Multicast Source Discovery Protocol (MSDP).........................................................................................478
Protocol Overview.........................................................................................................................................................478
Anycast RP.....................................................................................................................................................................479
Implementation Information......................................................................................................................................... 480
Configure Multicast Source Discovery Protocol....................................................................................................... 480
Related Configuration Tasks..................................................................................................................................480
Enable MSDP................................................................................................................................................................. 484
Manage the Source-Active Cache..............................................................................................................................485
Viewing the Source-Active Cache........................................................................................................................ 485
Limiting the Source-Active Cache........................................................................................................................ 485
Clearing the Source-Active Cache........................................................................................................................486
Enabling the Rejected Source-Active Cache.......................................................................................................486
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 486
Specifying Source-Active Messages.......................................................................................................................... 489
Limiting the Source-Active Messages from a Peer.................................................................................................. 490
Preventing MSDP from Caching a Local Source...................................................................................................... 490
Preventing MSDP from Caching a Remote Source.................................................................................................. 491
Preventing MSDP from Advertising a Local Source..................................................................................................491
Logging Changes in Peership States.......................................................................................................................... 492
Terminating a Peership................................................................................................................................................. 492
Clearing Peer Statistics.................................................................................................................................................493
Debugging MSDP.......................................................................................................................................................... 493
MSDP with Anycast RP................................................................................................................................................494
Configuring Anycast RP............................................................................................................................................... 495
Reducing Source-Active Message Flooding........................................................................................................ 496
Specifying the RP Address Used in SA Messages..............................................................................................496
MSDP Sample Configurations..................................................................................................................................... 498
30 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 501
Contents
17
Protocol Overview......................................................................................................................................................... 501
Spanning Tree Variations..............................................................................................................................................502
Implementation Information................................................................................................................................... 502
Configure Multiple Spanning Tree Protocol...............................................................................................................502
Related Configuration Tasks..................................................................................................................................503
Enable Multiple Spanning Tree Globally......................................................................................................................503
Adding and Removing Interfaces................................................................................................................................ 503
Creating Multiple Spanning Tree Instances............................................................................................................... 504
Influencing MSTP Root Selection............................................................................................................................... 505
Interoperate with Non-Dell Bridges............................................................................................................................ 505
Changing the Region Name or Revision.....................................................................................................................506
Modifying Global Parameters.......................................................................................................................................506
Modifying the Interface Parameters...........................................................................................................................507
Configuring an EdgePort..............................................................................................................................................508
Flush MAC Addresses after a Topology Change...................................................................................................... 509
MSTP Sample Configurations..................................................................................................................................... 509
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration....................................................................................... 510
Debugging and Verifying MSTP Configurations.........................................................................................................513
31 Multicast Features....................................................................................................................................515
Enabling IP Multicast..................................................................................................................................................... 515
Implementation Information..........................................................................................................................................515
Multicast Policies............................................................................................................................................................516
IPv4 Multicast Policies.............................................................................................................................................516
Understanding Multicast Traceroute (mtrace)................................................................................................... 523
Printing Multicast Traceroute (mtrace) Paths.................................................................................................... 524
Supported Error Codes...........................................................................................................................................525
mtrace Scenarios.....................................................................................................................................................526
32 Object Tracking....................................................................................................................................... 532
Object Tracking Overview............................................................................................................................................532
Track Layer 2 Interfaces.........................................................................................................................................533
Track Layer 3 Interfaces.........................................................................................................................................533
Track IPv4 and IPv6 Routes...................................................................................................................................534
Set Tracking Delays.................................................................................................................................................535
VRRP Object Tracking............................................................................................................................................535
Object Tracking Configuration.....................................................................................................................................535
Tracking a Layer 2 Interface.................................................................................................................................. 535
Tracking a Layer 3 Interface.................................................................................................................................. 536
Track an IPv4/IPv6 Route..................................................................................................................................... 538
Displaying Tracked Objects...........................................................................................................................................541
33 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 543
Protocol Overview.........................................................................................................................................................543
Autonomous System (AS) Areas...........................................................................................................................543
18
Contents
Area Types................................................................................................................................................................544
Networks and Neighbors........................................................................................................................................545
Router Types............................................................................................................................................................545
Designated and Backup Designated Routers.......................................................................................................547
Link-State Advertisements (LSAs)....................................................................................................................... 547
Router Priority and Cost.........................................................................................................................................548
OSPF with Dell Networking OS...................................................................................................................................549
Graceful Restart......................................................................................................................................................550
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................551
Multi-Process OSPFv2 with VRF.......................................................................................................................... 551
OSPF ACK Packing..................................................................................................................................................551
Setting OSPF Adjacency with Cisco Routers.......................................................................................................551
Configuration Information............................................................................................................................................ 552
Configuration Task List for OSPFv2 (OSPF for IPv4)....................................................................................... 552
Configuration Task List for OSPFv3 (OSPF for IPv6)............................................................................................. 566
Enabling IPv6 Unicast Routing...............................................................................................................................567
Applying cost for OSPFv3......................................................................................................................................567
Assigning IPv6 Addresses on an Interface........................................................................................................... 567
Assigning Area ID on an Interface......................................................................................................................... 568
Assigning OSPFv3 Process ID and Router ID Globally....................................................................................... 568
Assigning OSPFv3 Process ID and Router ID to a VRF..................................................................................... 569
Configuring Stub Areas...........................................................................................................................................569
Configuring Passive-Interface............................................................................................................................... 569
Redistributing Routes..............................................................................................................................................570
Configuring a Default Route...................................................................................................................................570
Enabling OSPFv3 Graceful Restart........................................................................................................................571
OSPFv3 Authentication Using IPsec.....................................................................................................................573
Troubleshooting OSPFv3....................................................................................................................................... 579
34 Policy-based Routing (PBR).................................................................................................................... 581
Overview......................................................................................................................................................................... 581
Implementing PBR.........................................................................................................................................................582
Configuration Task List for Policy-based Routing.....................................................................................................582
PBR Exceptions (Permit)....................................................................................................................................... 582
Create a Redirect List.............................................................................................................................................583
Create a Rule for a Redirect-list............................................................................................................................583
Apply a Redirect-list to an Interface using a Redirect-group............................................................................ 585
Sample Configuration....................................................................................................................................................587
Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD....588
35 PIM Sparse-Mode (PIM-SM)...................................................................................................................591
Implementation Information..........................................................................................................................................591
Protocol Overview......................................................................................................................................................... 591
Requesting Multicast Traffic.................................................................................................................................. 591
Refuse Multicast Traffic.........................................................................................................................................592
Send Multicast Traffic............................................................................................................................................ 592
Contents
19
Configuring PIM-SM.....................................................................................................................................................592
Related Configuration Tasks..................................................................................................................................593
Enable PIM-SM..............................................................................................................................................................593
Configuring S,G Expiry Timers.....................................................................................................................................593
Configuring a Static Rendezvous Point......................................................................................................................594
Overriding Bootstrap Router Updates..................................................................................................................594
Configuring a Designated Router................................................................................................................................595
Creating Multicast Boundaries and Domains.............................................................................................................595
36 PIM Source-Specific Mode (PIM-SSM)..................................................................................................596
Implementation Information......................................................................................................................................... 596
Important Points to Remember.............................................................................................................................596
Configure PIM-SSM......................................................................................................................................................597
Related Configuration Tasks.................................................................................................................................. 597
Enabling PIM-SSM........................................................................................................................................................ 597
Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................597
Configuring PIM-SSM with IGMPv2.................................................................................................................... 598
Electing an RP using the BSR Mechanism.................................................................................................................599
Enabling RP to Server Specific Multicast Groups...............................................................................................599
37 Power over Ethernet (PoE)......................................................................................................................601
Configuring PoE or PoE+..............................................................................................................................................601
Enable PoE/PoE+....................................................................................................................................................602
Upgrading the PoE Controller................................................................................................................................602
Manage Ports using Power Priority and Power Budget...........................................................................................603
Determine the Power Priority................................................................................................................................ 603
Manage Inline Power...............................................................................................................................................604
Set the Threshold Limit for the PoE Power Budget...........................................................................................604
Manage Power Priorities........................................................................................................................................ 605
Power Allocation to Ports...................................................................................................................................... 605
Power Allocation to Additional Ports.................................................................................................................... 606
Manage Legacy Devices...............................................................................................................................................606
Suspend Power Delivery on a Port............................................................................................................................. 606
Restore Power Delivery on a Port...............................................................................................................................607
Display the Power Details.............................................................................................................................................607
38 Port Monitoring.......................................................................................................................................608
Important Points to Remember...................................................................................................................................608
Port Monitoring............................................................................................................................................................. 609
Configuring Port Monitoring..........................................................................................................................................611
Configuring Monitor Multicast Queue......................................................................................................................... 612
Enabling Flow-Based Monitoring..................................................................................................................................613
Remote Port Mirroring.................................................................................................................................................. 614
Remote Port Mirroring Example.............................................................................................................................614
Configuring Remote Port Mirroring.......................................................................................................................615
Displaying Remote-Port Mirroring Configurations............................................................................................... 617
20
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Dell Networking S3100 Series User guide
- Category
- Software
- Type
- User guide
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