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Dell Configuration Guide for the S6000–ON
System
9.10(0.1)
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2016 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the
Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be
trademarks of their respective companies.
2016 - 05
Rev. A00
Contents
1 About this Guide.....................................................................................................................................................31
Audience.....................................................................................................................................................................31
Conventions...............................................................................................................................................................31
Related Documents..................................................................................................................................................31
2 Configuration Fundamentals.............................................................................................................................. 32
Accessing the Command Line...............................................................................................................................32
CLI Modes.................................................................................................................................................................. 32
Navigating CLI Modes........................................................................................................................................34
The do Command....................................................................................................................................................36
Undoing Commands................................................................................................................................................37
Obtaining Help.......................................................................................................................................................... 37
Entering and Editing Commands..........................................................................................................................38
Command History....................................................................................................................................................39
Filtering show Command Outputs....................................................................................................................... 39
Example of the grep Keyword......................................................................................................................... 39
Multiple Users in Configuration Mode.................................................................................................................40
3 Getting Started.......................................................................................................................................................41
Console Access.........................................................................................................................................................42
Serial Console......................................................................................................................................................42
Default Configuration..............................................................................................................................................43
Configuring a Host Name.......................................................................................................................................43
Accessing the System Remotely........................................................................................................................... 43
Accessing the System Remotely..................................................................................................................... 44
Configure the Management Port IP Address................................................................................................44
Configure a Management Route.....................................................................................................................44
Configuring a Username and Password........................................................................................................44
Configuring the Enable Password........................................................................................................................ 45
Configuration File Management........................................................................................................................... 45
Copy Files to and from the System.................................................................................................................45
Mounting an NFS File System.......................................................................................................................... 46
Save the Running-Configuration.................................................................................................................... 48
Configure the Overload Bit for a Startup Scenario..................................................................................... 48
Viewing Files........................................................................................................................................................ 48
Managing the File System.......................................................................................................................................49
View Command History..........................................................................................................................................50
Upgrading Dell Networking OS.............................................................................................................................50
Using HTTP for File Transfers................................................................................................................................ 50
Verify Software Images Before Installation..........................................................................................................51
4 Management.......................................................................................................................................................... 53
Configuring Privilege Levels...................................................................................................................................53
Contents
3
Creating a Custom Privilege Level.................................................................................................................. 53
Removing a Command from EXEC Mode.................................................................................................... 54
Moving a Command from EXEC Privilege Mode to EXEC Mode............................................................. 54
Allowing Access to CONFIGURATION Mode Commands........................................................................ 54
Allowing Access to Different Modes.............................................................................................................. 54
Applying a Privilege Level to a Username..................................................................................................... 56
Applying a Privilege Level to a Terminal Line............................................................................................... 56
Configuring Logging................................................................................................................................................56
Audit and Security Logs..................................................................................................................................... 57
Configuring Logging Format ......................................................................................................................... 58
Setting Up a Secure Connection to a Syslog Server................................................................................... 59
Log Messages in the Internal Buffer.....................................................................................................................60
Configuration Task List for System Log Management............................................................................... 60
Disabling System Logging...................................................................................................................................... 60
Sending System Messages to a Syslog Server....................................................................................................60
Configuring a UNIX System as a Syslog Server.............................................................................................61
Track Login Activity.................................................................................................................................................. 61
Restrictions for Tracking Login Activity..........................................................................................................61
Configuring Login Activity Tracking................................................................................................................61
Display Login Statistics...................................................................................................................................... 62
Limit Concurrent Login Sessions.......................................................................................................................... 63
Restrictions for Limiting the Number of Concurrent Sessions.................................................................63
Configuring Concurrent Session Limit...........................................................................................................63
Enabling the System to Clear Existing Sessions...........................................................................................64
Changing System Logging Settings......................................................................................................................65
Display the Logging Buffer and the Logging Configuration........................................................................... 65
Configuring a UNIX Logging Facility Level......................................................................................................... 66
Synchronizing Log Messages.................................................................................................................................67
Enabling Timestamp on Syslog Messages...........................................................................................................67
File Transfer Services............................................................................................................................................... 68
Configuration Task List for File Transfer Services........................................................................................68
Enabling the FTP Server.................................................................................................................................... 68
Configuring FTP Server Parameters............................................................................................................... 69
Configuring FTP Client Parameters................................................................................................................69
Terminal Lines........................................................................................................................................................... 70
Denying and Permitting Access to a Terminal Line.................................................................................... 70
Configuring Login Authentication for Terminal Lines.................................................................................71
Setting Timeout for EXEC Privilege Mode...........................................................................................................72
Using Telnet to get to Another Network Device............................................................................................... 72
Lock CONFIGURATION Mode............................................................................................................................... 73
Viewing the Configuration Lock Status..........................................................................................................73
Reloading the system...............................................................................................................................................73
Restoring the Factory Default Settings................................................................................................................ 74
Important Points to Remember.......................................................................................................................74
Restoring Factory Default Environment Variables....................................................................................... 75
5 802.1X...................................................................................................................................................................... 77
9.10(0.1)
4
Port-Authentication Process..................................................................................................................................79
EAP over RADIUS................................................................................................................................................80
Configuring 802.1X...................................................................................................................................................81
Related Configuration Tasks.............................................................................................................................81
Important Points to Remember.............................................................................................................................81
Enabling 802.1X........................................................................................................................................................ 82
Configuring dot1x Profile .......................................................................................................................................83
Configuring MAC addresses for a do1x Profile.................................................................................................. 84
Configuring the Static MAB and MAB Profile .................................................................................................... 84
Configuring Critical VLAN ..................................................................................................................................... 85
Configuring Request Identity Re-Transmissions...............................................................................................86
Configuring a Quiet Period after a Failed Authentication......................................................................... 86
Forcibly Authorizing or Unauthorizing a Port.....................................................................................................87
Re-Authenticating a Port........................................................................................................................................88
Configuring Timeouts............................................................................................................................................. 89
Configuring Dynamic VLAN Assignment with Port Authentication.............................................................. 90
Guest and Authentication-Fail VLANs.................................................................................................................. 91
Configuring a Guest VLAN................................................................................................................................ 91
Configuring an Authentication-Fail VLAN..................................................................................................... 91
6 Access Control Lists (ACLs)................................................................................................................................. 93
IP Access Control Lists (ACLs)............................................................................................................................... 94
CAM Usage.......................................................................................................................................................... 94
Implementing ACLs on Dell Networking OS................................................................................................ 95
Important Points to Remember.............................................................................................................................97
Configuration Task List for Route Maps.........................................................................................................97
Configuring Match Routes............................................................................................................................... 99
Configuring Set Conditions............................................................................................................................100
Configure a Route Map for Route Redistribution...................................................................................... 101
Configure a Route Map for Route Tagging.................................................................................................102
Continue Clause............................................................................................................................................... 102
IP Fragment Handling............................................................................................................................................102
IP Fragments ACL Examples...........................................................................................................................103
Layer 4 ACL Rules Examples.......................................................................................................................... 103
Configure a Standard IP ACL............................................................................................................................... 104
Configuring a Standard IP ACL Filter............................................................................................................105
Configure an Extended IP ACL............................................................................................................................106
Configuring Filters with a Sequence Number............................................................................................ 106
Configuring Filters Without a Sequence Number......................................................................................107
Configure Layer 2 and Layer 3 ACLs..................................................................................................................108
Assign an IP ACL to an Interface.........................................................................................................................108
Applying an IP ACL.................................................................................................................................................108
Counting ACL Hits............................................................................................................................................109
Configure Ingress ACLs.........................................................................................................................................109
Configure Egress ACLs.......................................................................................................................................... 110
Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................... 111
IP Prefix Lists.............................................................................................................................................................111
Contents
5
Implementation Information.......................................................................................................................... 112
Configuration Task List for Prefix Lists..........................................................................................................112
ACL Resequencing..................................................................................................................................................115
Resequencing an ACL or Prefix List.............................................................................................................. 116
Route Maps...............................................................................................................................................................117
Implementation Information.......................................................................................................................... 117
Flow-Based Monitoring Support for ACLs.........................................................................................................117
Behavior of Flow-Based Monitoring.............................................................................................................118
Enabling Flow-Based Monitoring.................................................................................................................. 119
7 Bidirectional Forwarding Detection (BFD)......................................................................................................121
How BFD Works...................................................................................................................................................... 121
BFD Packet Format...........................................................................................................................................122
BFD Sessions......................................................................................................................................................123
BFD Three-Way Handshake........................................................................................................................... 124
Session State Changes.....................................................................................................................................126
Important Points to Remember.......................................................................................................................... 126
Configure BFD.........................................................................................................................................................126
Configure BFD for Physical Ports.................................................................................................................. 127
Configure BFD for Static Routes................................................................................................................... 130
Configure BFD for OSPF..................................................................................................................................132
Configure BFD for OSPFv3............................................................................................................................. 134
Configure BFD for IS-IS...................................................................................................................................136
Configure BFD for BGP................................................................................................................................... 138
Configure BFD for VRRP................................................................................................................................. 145
Configuring Protocol Liveness.......................................................................................................................147
Troubleshooting BFD.......................................................................................................................................147
8 Border Gateway Protocol IPv4 (BGPv4)......................................................................................................... 149
Autonomous Systems (AS)................................................................................................................................... 149
Sessions and Peers..................................................................................................................................................151
Establish a Session............................................................................................................................................152
Route Reflectors..................................................................................................................................................... 152
BGP Attributes......................................................................................................................................................... 153
Best Path Selection Criteria............................................................................................................................ 154
Weight................................................................................................................................................................. 156
Local Preference...............................................................................................................................................156
Multi-Exit Discriminators (MEDs)...................................................................................................................156
Origin...................................................................................................................................................................157
AS Path................................................................................................................................................................ 158
Next Hop............................................................................................................................................................ 158
Multiprotocol BGP..................................................................................................................................................158
Implement BGP with Dell Networking OS........................................................................................................ 159
Additional Path (Add-Path) Support..............................................................................................................159
Advertise IGP Cost as MED for Redistributed Routes............................................................................... 159
Ignore Router-ID in Best-Path Calculation................................................................................................ 160
Four-Byte AS Numbers................................................................................................................................... 160
9.10(0.1)
6
AS4 Number Representation......................................................................................................................... 160
AS Number Migration.......................................................................................................................................162
BGP4 Management Information Base (MIB)...............................................................................................164
Important Points to Remember.....................................................................................................................164
Configuration Information................................................................................................................................... 165
BGP Configuration................................................................................................................................................. 165
Enabling BGP.....................................................................................................................................................166
Configuring AS4 Number Representations.................................................................................................169
Configuring Peer Groups................................................................................................................................ 170
Configuring BGP Fast Fall-Over.....................................................................................................................173
Configuring Passive Peering...........................................................................................................................174
Maintaining Existing AS Numbers During an AS Migration...................................................................... 175
Allowing an AS Number to Appear in its Own AS Path.............................................................................176
Enabling Graceful Restart................................................................................................................................177
Enabling Neighbor Graceful Restart............................................................................................................. 178
Filtering on an AS-Path Attribute...................................................................................................................178
Regular Expressions as Filters.........................................................................................................................179
Redistributing Routes....................................................................................................................................... 181
Enabling Additional Paths................................................................................................................................181
Configuring IP Community Lists................................................................................................................... 182
Configuring an IP Extended Community List............................................................................................. 183
Filtering Routes with Community Lists........................................................................................................ 184
Manipulating the COMMUNITY Attribute....................................................................................................184
Changing MED Attributes............................................................................................................................... 186
Changing the LOCAL_PREFERENCE Attribute...........................................................................................186
Configuring the local System or a Different System to be the Next Hop for BGP-Learned
Routes................................................................................................................................................................. 187
Changing the WEIGHT Attribute................................................................................................................... 187
Enabling Multipath............................................................................................................................................188
Filtering BGP Routes........................................................................................................................................ 188
Filtering BGP Routes Using Route Maps......................................................................................................189
Filtering BGP Routes Using AS-PATH Information....................................................................................190
Configuring BGP Route Reflectors................................................................................................................191
Aggregating Routes.......................................................................................................................................... 191
Configuring BGP Confederations................................................................................................................. 192
Enabling Route Flap Dampening...................................................................................................................192
Changing BGP Timers..................................................................................................................................... 194
Enabling BGP Neighbor Soft-Reconfiguration...........................................................................................195
Route Map Continue........................................................................................................................................196
Enabling MBGP Configurations...........................................................................................................................196
BGP Regular Expression Optimization...............................................................................................................197
Debugging BGP.......................................................................................................................................................197
Storing Last and Bad PDUs.............................................................................................................................198
Capturing PDUs................................................................................................................................................ 199
PDU Counters...................................................................................................................................................200
Sample Configurations......................................................................................................................................... 200
Contents
7
9 Content Addressable Memory (CAM)..............................................................................................................206
CAM Allocation.......................................................................................................................................................206
Test CAM Usage.....................................................................................................................................................208
View CAM Profiles..................................................................................................................................................208
View CAM-ACL Settings....................................................................................................................................... 209
View CAM Usage.................................................................................................................................................... 210
CAM Optimization.................................................................................................................................................. 211
Troubleshoot CAM Profiling................................................................................................................................. 211
QoS CAM Region Limitation...........................................................................................................................211
Syslog Error When the Table is Full...............................................................................................................211
Syslog Warning Upon 90 Percent Utilization of CAM...............................................................................212
Syslog Warning for Discrepancies Between Configured Extended Prefixes........................................212
Unified Forwarding Table (UFT) Modes............................................................................................................. 212
Configuring UFT Modes.................................................................................................................................. 212
10 Control Plane Policing (CoPP)........................................................................................................................214
Configure Control Plane Policing.......................................................................................................................216
Configuring CoPP for Protocols....................................................................................................................216
Configuring CoPP for CPU Queues............................................................................................................. 218
Displaying CoPP Configuration ....................................................................................................................219
11 Data Center Bridging (DCB).............................................................................................................................221
Ethernet Enhancements in Data Center Bridging........................................................................................... 221
Priority-Based Flow Control.......................................................................................................................... 222
Enhanced Transmission Selection................................................................................................................223
Data Center Bridging Exchange Protocol (DCBx).....................................................................................224
Data Center Bridging in a Traffic Flow.........................................................................................................225
Enabling Data Center Bridging............................................................................................................................225
DCB Maps and its Attributes.......................................................................................................................... 226
Data Center Bridging: Default Configuration...................................................................................................227
Configuring Priority-Based Flow Control......................................................................................................... 227
Configuring Lossless Queues........................................................................................................................ 228
Configuring PFC in a DCB Map...........................................................................................................................230
PFC Configuration Notes............................................................................................................................... 230
PFC Prerequisites and Restrictions............................................................................................................... 231
Applying a DCB Map on a Port............................................................................................................................ 231
Configuring PFC without a DCB Map................................................................................................................ 232
Configuring Lossless QueuesExample:....................................................................................................... 232
Priority-Based Flow Control Using Dynamic Buffer Method....................................................................... 234
Pause and Resume of Traffic......................................................................................................................... 234
Buffer Sizes for Lossless or PFC Packets.....................................................................................................234
Behavior of Tagged Packets................................................................................................................................ 235
Configuration Example for DSCP and PFC Priorities......................................................................................235
SNMP Support for PFC and Buffer Statistics Tracking................................................................................... 236
Performing PFC Using DSCP Bits Instead of 802.1p Bits...............................................................................236
PFC and ETS Configuration Examples............................................................................................................... 237
9.10(0.1)
8
Using PFC to Manage Converged Ethernet Traffic.........................................................................................237
Operations on Untagged Packets.......................................................................................................................237
Generation of PFC for a Priority for Untagged Packets.................................................................................238
Configure Enhanced Transmission Selection..................................................................................................238
ETS Prerequisites and Restrictions................................................................................................................238
Creating an ETS Priority Group..................................................................................................................... 238
ETS Operation with DCBx.............................................................................................................................. 239
Configuring Bandwidth Allocation for DCBx CIN.....................................................................................240
Configuring ETS in a DCB Map......................................................................................................................241
Hierarchical Scheduling in ETS Output Policies..............................................................................................242
Using ETS to Manage Converged Ethernet Traffic......................................................................................... 243
Applying DCB Policies in a Switch Stack...........................................................................................................243
Configure a DCBx Operation.............................................................................................................................. 243
DCBx Operation............................................................................................................................................... 243
DCBx Port Roles............................................................................................................................................... 244
DCB Configuration Exchange....................................................................................................................... 245
Configuration Source Election......................................................................................................................245
Propagation of DCB Information..................................................................................................................246
Auto-Detection and Manual Configuration of the DCBx Version.........................................................246
DCBx Example...................................................................................................................................................247
DCBx Prerequisites and Restrictions............................................................................................................ 247
Configuring DCBx............................................................................................................................................ 247
Verifying the DCB Configuration.........................................................................................................................251
QoS dot1p Traffic Classification and Queue Assignment............................................................................. 259
Configuring the Dynamic Buffer Method.........................................................................................................260
Sample DCB Configuration.................................................................................................................................. 261
PFC and ETS Configuration Command Examples.................................................................................... 262
12 Dynamic Host Configuration Protocol (DHCP)...........................................................................................263
DHCP Packet Format and Options.....................................................................................................................263
Assign an IP Address using DHCP.......................................................................................................................265
Implementation Information............................................................................................................................... 266
Configure the System to be a DHCP Server.................................................................................................... 266
Configuring the Server for Automatic Address Allocation...................................................................... 267
Specifying a Default Gateway........................................................................................................................268
Configure a Method of Hostname Resolution.......................................................................................... 269
Using DNS for Address Resolution............................................................................................................... 269
Using NetBIOS WINS for Address Resolution............................................................................................ 269
Creating Manual Binding Entries...................................................................................................................269
Debugging the DHCP Server......................................................................................................................... 270
Using DHCP Clear Commands..................................................................................................................... 270
Configure the System to be a DHCP Client..................................................................................................... 270
Configuring the DHCP Client System.......................................................................................................... 271
DHCP Client on a Management Interface.................................................................................................. 272
DHCP Client Operation with Other Features............................................................................................. 273
Configure the System for User Port Stacking (Option 230)..........................................................................274
Configure Secure DHCP.......................................................................................................................................274
Contents
9
Option 82........................................................................................................................................................... 274
DHCP Snooping................................................................................................................................................275
Drop DHCP Packets on Snooped VLANs Only.......................................................................................... 278
Dynamic ARP Inspection................................................................................................................................ 278
Configuring Dynamic ARP Inspection......................................................................................................... 279
Source Address Validation................................................................................................................................... 280
Enabling IP Source Address Validation........................................................................................................280
DHCP MAC Source Address Validation........................................................................................................281
Enabling IP+MAC Source Address Validation.............................................................................................281
Viewing the Number of SAV Dropped Packets..........................................................................................282
Clearing the Number of SAV Dropped Packets.........................................................................................282
13 Equal Cost Multi-Path (ECMP)........................................................................................................................283
ECMP for Flow-Based Affinity............................................................................................................................. 283
Configuring the Hash Algorithm...................................................................................................................283
Enabling Deterministic ECMP Next Hop..................................................................................................... 283
Configuring the Hash Algorithm Seed.........................................................................................................284
Link Bundle Monitoring........................................................................................................................................ 284
Managing ECMP Group Paths....................................................................................................................... 285
Creating an ECMP Group Bundle................................................................................................................. 285
Modifying the ECMP Group Threshold........................................................................................................285
Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table...........................286
Support for ECMP in host table.....................................................................................................................287
Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ............................................................... 287
14 FIP Snooping......................................................................................................................................................288
Fibre Channel over Ethernet................................................................................................................................288
Ensure Robustness in a Converged Ethernet Network................................................................................. 288
FIP Snooping on Ethernet Bridges..................................................................................................................... 290
Using FIP Snooping................................................................................................................................................292
FIP Snooping Prerequisites.............................................................................................................................292
Important Points to Remember.................................................................................................................... 292
Enabling the FCoE Transit Feature............................................................................................................... 293
Enable FIP Snooping on VLANs.....................................................................................................................293
Configure the FC-MAP Value........................................................................................................................ 294
Configure a Port for a Bridge-to-Bridge Link............................................................................................ 294
Configure a Port for a Bridge-to-FCF Link.................................................................................................294
Impact on Other Software Features.............................................................................................................294
FIP Snooping Restrictions...............................................................................................................................295
Configuring FIP Snooping.............................................................................................................................. 295
Displaying FIP Snooping Information................................................................................................................ 296
FCoE Transit Configuration Example.................................................................................................................301
15 Flex Hash and Optimized Boot-Up................................................................................................................303
Flex Hash Capability Overview............................................................................................................................303
Configuring the Flex Hash Mechanism............................................................................................................. 303
Configuring Fast Boot and LACP Fast Switchover..........................................................................................304
9.10(0.1)
10
Optimizing the Boot Time................................................................................................................................... 304
Booting Process When Optimized Boot Time Mechanism is Enabled.................................................304
Guidelines for Configuring Optimized Booting Mechanism.................................................................. 305
Interoperation of Applications with Fast Boot and System States.............................................................. 306
LACP and IPv4 Routing...................................................................................................................................306
LACP and IPv6 Routing...................................................................................................................................306
BGP Graceful Restart.......................................................................................................................................307
Cold Boot Caused by Power Cycling the System..................................................................................... 307
Unexpected Reload of the System............................................................................................................... 307
Software Upgrade............................................................................................................................................ 307
LACP Fast Switchover......................................................................................................................................307
Changes to BGP Multipath.............................................................................................................................308
Delayed Installation of ECMP Routes Into BGP.........................................................................................308
RDMA Over Converged Ethernet (RoCE) Overview....................................................................................... 308
Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...........................................................................309
16 Force10 Resilient Ring Protocol (FRRP)........................................................................................................310
Protocol Overview................................................................................................................................................. 310
Ring Status.......................................................................................................................................................... 311
Multiple FRRP Rings.......................................................................................................................................... 311
Important FRRP Points.....................................................................................................................................312
Important FRRP Concepts.............................................................................................................................. 313
Implementing FRRP............................................................................................................................................... 314
FRRP Configuration................................................................................................................................................314
Creating the FRRP Group................................................................................................................................314
Configuring the Control VLAN.......................................................................................................................315
Configuring and Adding the Member VLANs............................................................................................. 316
Setting the FRRP Timers.................................................................................................................................. 317
Clearing the FRRP Counters........................................................................................................................... 317
Viewing the FRRP Configuration................................................................................................................... 317
Viewing the FRRP Information....................................................................................................................... 317
Troubleshooting FRRP...........................................................................................................................................318
Configuration Checks......................................................................................................................................318
Sample Configuration and Topology.................................................................................................................318
17 GARP VLAN Registration Protocol (GVRP)................................................................................................... 320
Important Points to Remember..........................................................................................................................320
Configure GVRP......................................................................................................................................................321
Related Configuration Tasks.......................................................................................................................... 321
Enabling GVRP Globally........................................................................................................................................ 321
Enabling GVRP on a Layer 2 Interface............................................................................................................... 322
Configure GVRP Registration.............................................................................................................................. 322
Configure a GARP Timer.......................................................................................................................................323
18 Internet Group Management Protocol (IGMP)............................................................................................324
IGMP Implementation Information....................................................................................................................324
IGMP Protocol Overview......................................................................................................................................324
Contents
11
IGMP Version 2................................................................................................................................................. 324
IGMP Version 3................................................................................................................................................. 326
Configure IGMP......................................................................................................................................................328
Related Configuration Tasks..........................................................................................................................329
Viewing IGMP Enabled Interfaces.......................................................................................................................329
Selecting an IGMP Version...................................................................................................................................329
Viewing IGMP Groups...........................................................................................................................................330
Adjusting Timers.....................................................................................................................................................330
Adjusting Query and Response Timers....................................................................................................... 330
Enabling IGMP Immediate-Leave........................................................................................................................331
IGMP Snooping....................................................................................................................................................... 331
IGMP Snooping Implementation Information............................................................................................331
Configuring IGMP Snooping.......................................................................................................................... 331
Removing a Group-Port Association........................................................................................................... 332
Disabling Multicast Flooding..........................................................................................................................332
Specifying a Port as Connected to a Multicast Router.............................................................................333
Configuring the Switch as Querier............................................................................................................... 333
Fast Convergence after MSTP Topology Changes.........................................................................................334
Egress Interface Selection (EIS) for HTTP and IGMP Applications...............................................................334
Protocol Separation.........................................................................................................................................334
Enabling and Disabling Management Egress Interface Selection..........................................................335
Handling of Management Route Configuration........................................................................................336
Handling of Switch-Initiated Traffic............................................................................................................. 337
Handling of Switch-Destined Traffic............................................................................................................337
Handling of Transit Traffic (Traffic Separation)..........................................................................................338
Mapping of Management Applications and Traffic Type.........................................................................338
Behavior of Various Applications for Switch-Initiated Traffic ................................................................339
Behavior of Various Applications for Switch-Destined Traffic ..............................................................340
Interworking of EIS With Various Applications........................................................................................... 341
Designating a Multicast Router Interface.......................................................................................................... 341
19 Interfaces............................................................................................................................................................343
Basic Interface Configuration..............................................................................................................................343
Advanced Interface Configuration..................................................................................................................... 343
Interface Types....................................................................................................................................................... 344
View Basic Interface Information....................................................................................................................... 344
Resetting an Interface to its Factory Default State......................................................................................... 346
Enabling a Physical Interface...............................................................................................................................346
Physical Interfaces..................................................................................................................................................347
Configuration Task List for Physical Interfaces..........................................................................................347
40G to 1G Breakout Cable Adaptor..............................................................................................................347
Overview of Layer Modes...............................................................................................................................348
Configuring Layer 2 (Data Link) Mode.........................................................................................................348
Configuring Layer 2 (Interface) Mode..........................................................................................................349
Configuring Layer 3 (Network) Mode.......................................................................................................... 349
Configuring Layer 3 (Interface) Mode..........................................................................................................349
Egress Interface Selection (EIS)...........................................................................................................................350
9.10(0.1)
12
Important Points to Remember.................................................................................................................... 350
Configuring EIS.................................................................................................................................................350
Management Interfaces........................................................................................................................................ 351
Configuring Management Interfaces............................................................................................................351
Configuring a Management Interface on an Ethernet Port.................................................................... 353
VLAN Interfaces...................................................................................................................................................... 353
Loopback Interfaces..............................................................................................................................................354
Null Interfaces.........................................................................................................................................................355
Port Channel Interfaces........................................................................................................................................ 355
Port Channel Definition and Standards....................................................................................................... 355
Port Channel Benefits......................................................................................................................................355
Port Channel Implementation.......................................................................................................................355
Interfaces in Port Channels............................................................................................................................356
Configuration Tasks for Port Channel Interfaces......................................................................................356
Creating a Port Channel..................................................................................................................................357
Adding a Physical Interface to a Port Channel...........................................................................................357
Reassigning an Interface to a New Port Channel......................................................................................359
Configuring the Minimum Oper Up Links in a Port Channel..................................................................359
Adding or Removing a Port Channel from a VLAN...................................................................................360
Assigning an IP Address to a Port Channel................................................................................................. 361
Deleting or Disabling a Port Channel...........................................................................................................361
Load Balancing Through Port Channels......................................................................................................361
Changing the Hash Algorithm.......................................................................................................................362
Bulk Configuration.................................................................................................................................................363
Interface Range.................................................................................................................................................363
Bulk Configuration Examples........................................................................................................................ 363
Defining Interface Range Macros....................................................................................................................... 365
Define the Interface Range............................................................................................................................ 365
Choosing an Interface-Range Macro.......................................................................................................... 365
Monitoring and Maintaining Interfaces............................................................................................................. 365
Maintenance Using TDR................................................................................................................................. 366
Splitting 40G Ports without Reload....................................................................................................................367
Splitting QSFP Ports to SFP+ Ports.....................................................................................................................368
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..........................................................................369
Important Points to Remember.................................................................................................................... 370
Example Scenarios........................................................................................................................................... 370
Configuring wavelength for 10–Gigabit SFP+ optics..................................................................................... 371
Link Dampening...................................................................................................................................................... 371
Important Points to Remember.....................................................................................................................372
Enabling Link Dampening...............................................................................................................................372
Link Bundle Monitoring.........................................................................................................................................373
Using Ethernet Pause Frames for Flow Control.............................................................................................. 374
Enabling Pause Frames....................................................................................................................................375
Configure the MTU Size on an Interface...........................................................................................................375
Port-Pipes................................................................................................................................................................ 376
Auto-Negotiation on Ethernet Interfaces......................................................................................................... 376
Setting the Speed and Duplex Mode of Ethernet Interfaces...................................................................377
Contents
13
Set Auto-Negotiation Options.......................................................................................................................378
View Advanced Interface Information............................................................................................................... 379
Configuring the Interface Sampling Size.....................................................................................................379
Dynamic Counters.................................................................................................................................................380
Clearing Interface Counters...........................................................................................................................381
Compressing Configuration Files........................................................................................................................381
20 IPv4 Routing...................................................................................................................................................... 385
IP Addresses............................................................................................................................................................ 386
Implementation Information......................................................................................................................... 386
Configuration Tasks for IP Addresses................................................................................................................386
Assigning IP Addresses to an Interface..............................................................................................................386
Configuring Static Routes.....................................................................................................................................387
Configure Static Routes for the Management Interface............................................................................... 388
Using the Configured Source IP Address in ICMP Messages....................................................................... 389
Configuring the ICMP Source Interface......................................................................................................389
Configuring the Duration to Establish a TCP Connection............................................................................389
Enabling Directed Broadcast...............................................................................................................................390
Resolution of Host Names...................................................................................................................................390
Enabling Dynamic Resolution of Host Names................................................................................................ 390
Specifying the Local System Domain and a List of Domains........................................................................391
Configuring DNS with Traceroute...................................................................................................................... 391
ARP............................................................................................................................................................................ 392
Configuration Tasks for ARP................................................................................................................................392
Configuring Static ARP Entries............................................................................................................................ 392
Enabling Proxy ARP................................................................................................................................................393
Clearing ARP Cache...............................................................................................................................................393
ARP Learning via Gratuitous ARP........................................................................................................................393
Enabling ARP Learning via Gratuitous ARP.......................................................................................................394
ARP Learning via ARP Request............................................................................................................................ 394
Configuring ARP Retries....................................................................................................................................... 395
ICMP..........................................................................................................................................................................395
Configuration Tasks for ICMP............................................................................................................................. 395
Enabling ICMP Unreachable Messages............................................................................................................. 395
UDP Helper..............................................................................................................................................................396
Configure UDP Helper.................................................................................................................................... 396
Important Points to Remember.................................................................................................................... 396
Enabling UDP Helper.............................................................................................................................................396
Configuring a Broadcast Address....................................................................................................................... 396
Configurations Using UDP Helper......................................................................................................................397
UDP Helper with Broadcast-All Addresses....................................................................................................... 397
UDP Helper with Subnet Broadcast Addresses............................................................................................... 398
UDP Helper with Configured Broadcast Addresses....................................................................................... 398
UDP Helper with No Configured Broadcast Addresses.................................................................................399
Troubleshooting UDP Helper..............................................................................................................................399
21 IPv6 Routing...................................................................................................................................................... 400
9.10(0.1)
14
Protocol Overview.................................................................................................................................................400
Extended Address Space.................................................................................................................................401
Stateless Autoconfiguration........................................................................................................................... 401
IPv6 Headers......................................................................................................................................................401
Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support........................................................... 402
IPv6 Header Fields............................................................................................................................................403
Extension Header Fields................................................................................................................................. 405
Addressing......................................................................................................................................................... 406
Implementing IPv6 with Dell Networking OS..................................................................................................407
ICMPv6.....................................................................................................................................................................408
Path MTU Discovery..............................................................................................................................................409
IPv6 Neighbor Discovery......................................................................................................................................409
IPv6 Neighbor Discovery of MTU Packets.................................................................................................. 410
Configuring the IPv6 Recursive DNS Server...............................................................................................410
Debugging IPv6 RDNSS Information Sent to the Host ............................................................................411
Displaying IPv6 RDNSS Information..............................................................................................................411
Secure Shell (SSH) Over an IPv6 Transport.......................................................................................................412
Configuration Tasks for IPv6................................................................................................................................412
Adjusting Your CAM-Profile........................................................................................................................... 412
Assigning an IPv6 Address to an Interface.................................................................................................. 413
Assigning a Static IPv6 Route......................................................................................................................... 413
Configuring Telnet with IPv6......................................................................................................................... 414
SNMP over IPv6.................................................................................................................................................414
Displaying IPv6 Information........................................................................................................................... 415
Displaying an IPv6 Interface Information.................................................................................................... 415
Showing IPv6 Routes.......................................................................................................................................416
Showing the Running-Configuration for an Interface..............................................................................417
Clearing IPv6 Routes........................................................................................................................................417
Configuring IPv6 RA Guard.................................................................................................................................. 418
Configuring IPv6 RA Guard on an Interface............................................................................................... 419
Monitoring IPv6 RA Guard..............................................................................................................................420
22 iSCSI Optimization............................................................................................................................................421
iSCSI Optimization Overview...............................................................................................................................421
Monitoring iSCSI Traffic Flows...................................................................................................................... 422
Application of Quality of Service to iSCSI Traffic Flows...........................................................................423
Information Monitored in iSCSI Traffic Flows............................................................................................ 423
Detection and Auto-Configuration for Dell EqualLogic Arrays............................................................. 424
Configuring Detection and Ports for Dell Compellent Arrays................................................................424
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................... 425
Enable and Disable iSCSI Optimization....................................................................................................... 425
Default iSCSI Optimization Values..................................................................................................................... 426
iSCSI Optimization Prerequisites........................................................................................................................ 426
Configuring iSCSI Optimization..........................................................................................................................426
Displaying iSCSI Optimization Information......................................................................................................428
23 Intermediate System to Intermediate System.............................................................................................430
Contents
15
IS-IS Protocol Overview....................................................................................................................................... 430
IS-IS Addressing..................................................................................................................................................... 430
Multi-Topology IS-IS............................................................................................................................................. 431
Transition Mode................................................................................................................................................ 431
Interface Support..............................................................................................................................................432
Adjacencies........................................................................................................................................................432
Graceful Restart......................................................................................................................................................432
Timers................................................................................................................................................................. 432
Implementation Information............................................................................................................................... 433
Configuration Information................................................................................................................................... 433
Configuration Tasks for IS-IS.........................................................................................................................434
Configuring the Distance of a Route............................................................................................................441
Changing the IS-Type..................................................................................................................................... 442
Redistributing IPv4 Routes............................................................................................................................. 444
Redistributing IPv6 Routes............................................................................................................................. 445
Configuring Authentication Passwords.......................................................................................................446
Setting the Overload Bit..................................................................................................................................446
Debugging IS-IS................................................................................................................................................447
IS-IS Metric Styles.................................................................................................................................................. 448
Configure Metric Values.......................................................................................................................................448
Maximum Values in the Routing Table........................................................................................................448
Change the IS-IS Metric Style in One Level Only......................................................................................448
Leaks from One Level to Another.................................................................................................................450
Sample Configurations..........................................................................................................................................451
24 Link Aggregation Control Protocol (LACP)................................................................................................. 453
Introduction to Dynamic LAGs and LACP.........................................................................................................453
Important Points to Remember.................................................................................................................... 453
LACP Modes...................................................................................................................................................... 454
Configuring LACP Commands......................................................................................................................454
LACP Configuration Tasks....................................................................................................................................455
Creating a LAG..................................................................................................................................................455
Configuring the LAG Interfaces as Dynamic.............................................................................................. 455
Setting the LACP Long Timeout....................................................................................................................456
Monitoring and Debugging LACP.................................................................................................................456
Shared LAG State Tracking...................................................................................................................................457
Configuring Shared LAG State Tracking......................................................................................................457
Important Points about Shared LAG State Tracking.................................................................................458
LACP Basic Configuration Example................................................................................................................... 459
Configure a LAG on ALPHA............................................................................................................................459
25 Layer 2.................................................................................................................................................................468
Manage the MAC Address Table.........................................................................................................................468
Clearing the MAC Address Table.................................................................................................................. 468
Setting the Aging Time for Dynamic Entries.............................................................................................. 468
Configuring a Static MAC Address............................................................................................................... 469
Displaying the MAC Address Table...............................................................................................................469
9.10(0.1)
16
MAC Learning Limit............................................................................................................................................... 469
Setting the MAC Learning Limit.....................................................................................................................470
mac learning-limit Dynamic.......................................................................................................................... 470
mac learning-limit mac-address-sticky...................................................................................................... 470
mac learning-limit station-move.................................................................................................................. 471
mac learning-limit no-station-move........................................................................................................... 471
Learning Limit Violation Actions....................................................................................................................471
Setting Station Move Violation Actions........................................................................................................472
Recovering from Learning Limit and Station Move Violations............................................................... 472
Disabling MAC Address Learning on the System.......................................................................................473
NIC Teaming........................................................................................................................................................... 473
Configure Redundant Pairs..................................................................................................................................474
Important Points about Configuring Redundant Pairs.............................................................................476
Far-End Failure Detection.....................................................................................................................................477
FEFD State Changes.........................................................................................................................................478
Configuring FEFD............................................................................................................................................. 479
Enabling FEFD on an Interface...................................................................................................................... 479
Debugging FEFD.............................................................................................................................................. 480
26 Link Layer Discovery Protocol (LLDP)...........................................................................................................482
802.1AB (LLDP) Overview.....................................................................................................................................482
Protocol Data Units......................................................................................................................................... 482
Optional TLVs......................................................................................................................................................... 483
Management TLVs........................................................................................................................................... 484
TIA-1057 (LLDP-MED) Overview........................................................................................................................ 485
TIA Organizationally Specific TLVs...............................................................................................................486
Configure LLDP......................................................................................................................................................489
Related Configuration Tasks..........................................................................................................................490
Important Points to Remember....................................................................................................................490
LLDP Compatibility..........................................................................................................................................490
CONFIGURATION versus INTERFACE Configurations.................................................................................. 490
Enabling LLDP......................................................................................................................................................... 491
Disabling and Undoing LLDP......................................................................................................................... 491
Enabling LLDP on Management Ports............................................................................................................... 491
Disabling and Undoing LLDP on Management Ports............................................................................... 491
Advertising TLVs..................................................................................................................................................... 492
Viewing the LLDP Configuration........................................................................................................................ 493
Viewing Information Advertised by Adjacent LLDP Agents.......................................................................... 494
Configuring LLDPDU Intervals............................................................................................................................ 494
Configuring Transmit and Receive Mode......................................................................................................... 495
Configuring the Time to Live Value................................................................................................................... 496
Debugging LLDP.................................................................................................................................................... 497
Relevant Management Objects...........................................................................................................................497
27 Microsoft Network Load Balancing...............................................................................................................503
NLB Unicast Mode Scenario................................................................................................................................ 503
NLB Multicast Mode Scenario............................................................................................................................. 503
Contents
17
Limitations of the NLB Feature........................................................................................................................... 504
Microsoft Clustering..............................................................................................................................................504
Enable and Disable VLAN Flooding ...................................................................................................................504
Configuring a Switch for NLB .............................................................................................................................504
Enabling a Switch for Multicast NLB............................................................................................................ 505
28 Multicast Source Discovery Protocol (MSDP)............................................................................................. 506
Protocol Overview.................................................................................................................................................506
Anycast RP............................................................................................................................................................... 507
Implementation Information...............................................................................................................................508
Configure Multicast Source Discovery Protocol.............................................................................................508
Related Configuration Tasks..........................................................................................................................508
Enable MSDP........................................................................................................................................................... 512
Manage the Source-Active Cache...................................................................................................................... 513
Viewing the Source-Active Cache................................................................................................................ 513
Limiting the Source-Active Cache................................................................................................................ 513
Clearing the Source-Active Cache............................................................................................................... 514
Enabling the Rejected Source-Active Cache..............................................................................................514
Accept Source-Active Messages that Fail the RFP Check............................................................................. 514
Specifying Source-Active Messages................................................................................................................... 517
Limiting the Source-Active Messages from a Peer......................................................................................... 518
Preventing MSDP from Caching a Local Source............................................................................................. 518
Preventing MSDP from Caching a Remote Source.........................................................................................519
Preventing MSDP from Advertising a Local Source........................................................................................ 519
Logging Changes in Peership States..................................................................................................................520
Terminating a Peership.........................................................................................................................................520
Clearing Peer Statistics.......................................................................................................................................... 521
Debugging MSDP....................................................................................................................................................521
MSDP with Anycast RP.......................................................................................................................................... 522
Configuring Anycast RP........................................................................................................................................ 523
Reducing Source-Active Message Flooding...............................................................................................524
Specifying the RP Address Used in SA Messages...................................................................................... 524
MSDP Sample Configurations............................................................................................................................. 526
29 Multiple Spanning Tree Protocol (MSTP)..................................................................................................... 529
Protocol Overview................................................................................................................................................. 529
Spanning Tree Variations......................................................................................................................................530
Implementation Information......................................................................................................................... 530
Configure Multiple Spanning Tree Protocol.................................................................................................... 530
Related Configuration Tasks..........................................................................................................................530
Enable Multiple Spanning Tree Globally............................................................................................................531
Adding and Removing Interfaces........................................................................................................................ 531
Creating Multiple Spanning Tree Instances...................................................................................................... 531
Influencing MSTP Root Selection....................................................................................................................... 533
Interoperate with Non-Dell Bridges...................................................................................................................533
Changing the Region Name or Revision...........................................................................................................534
Modifying Global Parameters.............................................................................................................................. 534
9.10(0.1)
18
Modifying the Interface Parameters...................................................................................................................535
Configuring an EdgePort......................................................................................................................................536
Flush MAC Addresses after a Topology Change..............................................................................................537
MSTP Sample Configurations..............................................................................................................................538
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration...........................................................................538
Debugging and Verifying MSTP Configurations..............................................................................................542
30 Multicast Features............................................................................................................................................ 544
Enabling IP Multicast............................................................................................................................................. 544
Implementation Information............................................................................................................................... 544
Multicast Policies....................................................................................................................................................545
IPv4 Multicast Policies.....................................................................................................................................545
31 Object Tracking................................................................................................................................................. 553
Object Tracking Overview....................................................................................................................................553
Track Layer 2 Interfaces..................................................................................................................................554
Track Layer 3 Interfaces..................................................................................................................................554
Track IPv4 and IPv6 Routes............................................................................................................................555
Set Tracking Delays..........................................................................................................................................556
VRRP Object Tracking..................................................................................................................................... 556
Object Tracking Configuration........................................................................................................................... 556
Tracking a Layer 2 Interface...........................................................................................................................556
Tracking a Layer 3 Interface........................................................................................................................... 557
Track an IPv4/IPv6 Route............................................................................................................................... 559
Displaying Tracked Objects................................................................................................................................. 562
32 Open Shortest Path First (OSPFv2 and OSPFv3)......................................................................................... 564
Protocol Overview.................................................................................................................................................564
Autonomous System (AS) Areas....................................................................................................................564
Area Types..........................................................................................................................................................565
Networks and Neighbors................................................................................................................................566
Router Types..................................................................................................................................................... 566
Designated and Backup Designated Routers.............................................................................................568
Link-State Advertisements (LSAs)................................................................................................................. 568
Router Priority and Cost................................................................................................................................. 569
OSPF with Dell Networking OS...........................................................................................................................570
Graceful Restart.................................................................................................................................................571
Fast Convergence (OSPFv2, IPv4 Only)....................................................................................................... 572
Multi-Process OSPFv2 with VRF....................................................................................................................572
RFC-2328 Compliant OSPF Flooding.......................................................................................................... 572
OSPF ACK Packing............................................................................................................................................573
Setting OSPF Adjacency with Cisco Routers.............................................................................................. 573
Configuration Information................................................................................................................................... 574
Configuration Task List for OSPFv2 (OSPF for IPv4)................................................................................. 574
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................588
Enabling IPv6 Unicast Routing...................................................................................................................... 589
Contents
19
Applying cost for OSPFv3...............................................................................................................................589
Assigning IPv6 Addresses on an Interface.................................................................................................. 589
Assigning Area ID on an Interface................................................................................................................ 589
Assigning OSPFv3 Process ID and Router ID Globally.............................................................................590
Assigning OSPFv3 Process ID and Router ID to a VRF.............................................................................590
Configuring Stub Areas....................................................................................................................................591
Configuring Passive-Interface....................................................................................................................... 591
Redistributing Routes...................................................................................................................................... 592
Configuring a Default Route..........................................................................................................................592
Enabling OSPFv3 Graceful Restart................................................................................................................592
OSPFv3 Authentication Using IPsec.............................................................................................................594
Troubleshooting OSPFv3............................................................................................................................... 600
33 Policy-based Routing (PBR)............................................................................................................................602
Overview..................................................................................................................................................................602
Implementing PBR.................................................................................................................................................603
Configuration Task List for Policy-based Routing..........................................................................................603
PBR Exceptions (Permit).................................................................................................................................604
Create a Redirect List...................................................................................................................................... 604
Create a Rule for a Redirect-list................................................................................................................... 604
Apply a Redirect-list to an Interface using a Redirect-group.................................................................606
Sample Configuration...........................................................................................................................................608
Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List
GOLD..................................................................................................................................................................609
34 PIM Sparse-Mode (PIM-SM)............................................................................................................................ 612
Implementation Information................................................................................................................................612
Protocol Overview................................................................................................................................................. 612
Requesting Multicast Traffic...........................................................................................................................612
Refuse Multicast Traffic................................................................................................................................... 613
Send Multicast Traffic...................................................................................................................................... 613
Configuring PIM-SM.............................................................................................................................................. 613
Related Configuration Tasks.......................................................................................................................... 614
Enable PIM-SM........................................................................................................................................................614
Configuring S,G Expiry Timers.............................................................................................................................615
Configuring a Static Rendezvous Point............................................................................................................. 616
Overriding Bootstrap Router Updates..........................................................................................................616
Configuring a Designated Router....................................................................................................................... 616
Creating Multicast Boundaries and Domains................................................................................................... 617
35 PIM Source-Specific Mode (PIM-SSM).......................................................................................................... 618
Implementation Information............................................................................................................................... 618
Important Points to Remember.....................................................................................................................618
Configure PIM-SSM............................................................................................................................................... 619
Related Configuration Tasks.......................................................................................................................... 619
Enabling PIM-SSM..................................................................................................................................................619
Use PIM-SSM with IGMP Version 2 Hosts.........................................................................................................619
9.10(0.1)
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