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FN IO Module

Dell FN IO Module User guide

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Dell PowerEdge FN I/O Module
Conguration Guide
9.11(2.0P1)
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other
trademarks may be trademarks of their respective owners.
2017 - 01
Rev. A00
Contents
1 About this Guide...........................................................................................................................................32
Audience............................................................................................................................................................................32
Conventions......................................................................................................................................................................32
Information Symbols........................................................................................................................................................32
Related Documents......................................................................................................................................................... 33
2 Before You Start.......................................................................................................................................... 34
Operational Modes...........................................................................................................................................................34
Standalone mode....................................................................................................................................................... 34
VLT mode....................................................................................................................................................................34
Programmable MUX mode....................................................................................................................................... 34
Stacking mode............................................................................................................................................................35
Full Switch mode........................................................................................................................................................35
Default Settings............................................................................................................................................................... 35
Other Auto-Congured Settings....................................................................................................................................36
Data Center Bridging Support........................................................................................................................................36
FCoE Connectivity and FIP Snooping...........................................................................................................................36
iSCSI Operation................................................................................................................................................................36
Link Aggregation...............................................................................................................................................................37
Link Tracking..................................................................................................................................................................... 37
Conguring VLANs.......................................................................................................................................................... 37
Uplink LAG.................................................................................................................................................................. 37
Server-Facing LAGs...................................................................................................................................................37
Where to Go From Here..................................................................................................................................................38
3 Conguration Fundamentals........................................................................................................................ 39
Accessing the Command Line........................................................................................................................................39
CLI Modes.........................................................................................................................................................................40
Navigating CLI Modes...............................................................................................................................................40
The do Command............................................................................................................................................................. 41
Undoing Commands........................................................................................................................................................ 42
Obtaining Help..................................................................................................................................................................42
Entering and Editing Commands....................................................................................................................................43
Command History............................................................................................................................................................ 43
Filtering show Command Outputs................................................................................................................................. 44
Multiple Users in Conguration Mode...........................................................................................................................45
4 Getting Started............................................................................................................................................46
Console Access................................................................................................................................................................ 47
Serial Console............................................................................................................................................................. 47
External Serial Port with a USB Connector............................................................................................................49
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................49
Contents
3
Entering CLI commands Using an SSH Connection..............................................................................................49
Executing Local CLI Scripts Using an SSH Connection........................................................................................49
Boot Process....................................................................................................................................................................50
Default Conguration....................................................................................................................................................... 51
Conguring a Host Name................................................................................................................................................ 51
Conguring a Unique Host Name on the System........................................................................................................52
Accessing the System Remotely....................................................................................................................................52
Accessing the Switch Remotely...............................................................................................................................52
Congure the Management Port IP Address......................................................................................................... 52
Congure a Management Route..............................................................................................................................53
Conguring a Username and Password.................................................................................................................. 53
Conguring the Enable Password..................................................................................................................................53
Conguration File Management.....................................................................................................................................54
Copy Files to and from the System......................................................................................................................... 54
Save the Running-Conguration............................................................................................................................. 55
Viewing Files...............................................................................................................................................................56
Managing the File System...............................................................................................................................................57
View the Command History........................................................................................................................................... 58
Using HTTP for File Transfers........................................................................................................................................ 58
Upgrading and Downgrading the Dell Networking OS................................................................................................59
Verify Software Images Before Installation...................................................................................................................59
Deploying FN I/O Module............................................................................................................................................... 60
Ensuring the FN IOM system is in Standalone Mode.............................................................................................61
Conguration Examples............................................................................................................................................. 61
Congure Interfaces and Port Channel...................................................................................................................63
Verifying the Congurations.....................................................................................................................................64
5 Management............................................................................................................................................... 65
Conguring Privilege Levels........................................................................................................................................... 65
Creating a Custom Privilege Level...........................................................................................................................66
Customizing a Privilege Level...................................................................................................................................66
Applying a Privilege Level to a Username...............................................................................................................68
Applying a Privilege Level to a Terminal Line.......................................................................................................... 68
Conguring Logging........................................................................................................................................................ 68
Audit and Security Logs............................................................................................................................................ 69
Conguring Logging Format ...................................................................................................................................70
Setting Up a Secure Connection to a Syslog Server..............................................................................................71
Display the Logging Buer and the Logging Conguration........................................................................................ 72
Log Messages in the Internal Buer..............................................................................................................................72
Conguration Task List for System Log Management.......................................................................................... 73
Disabling System Logging............................................................................................................................................... 73
Sending System Messages to a Syslog Server............................................................................................................ 73
Conguring a UNIX System as a Syslog Server.....................................................................................................73
Changing System Logging Settings............................................................................................................................... 74
Display the Logging Buer and the Logging Conguration........................................................................................75
Conguring a UNIX Logging Facility Level....................................................................................................................75
4
Contents
Synchronizing Log Messages......................................................................................................................................... 76
Enabling Timestamp on Syslog Messages.................................................................................................................... 77
Enabling Secure Management Mode.............................................................................................................................77
Enabling Secured CLI Mode............................................................................................................................................78
File Transfer Services.......................................................................................................................................................78
Conguration Task List for File Transfer Services..................................................................................................78
Enabling the FTP Server........................................................................................................................................... 78
Conguring FTP Server Parameters........................................................................................................................79
Conguring FTP Client Parameters......................................................................................................................... 79
Terminal Lines...................................................................................................................................................................80
Denying and Permitting Access to a Terminal Line................................................................................................80
Conguring Login Authentication for Terminal Lines.............................................................................................80
Setting Time Out of EXEC Privilege Mode................................................................................................................... 81
Using Telnet to get to Another Network Device..........................................................................................................82
Lock CONFIGURATION Mode....................................................................................................................................... 82
Viewing the Conguration Lock Status...................................................................................................................83
Limit Concurrent Login Sessions....................................................................................................................................83
Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 83
Conguring Concurrent Session Limit.....................................................................................................................84
Enabling the System to Clear Existing Sessions.................................................................................................... 84
Track Login Activity......................................................................................................................................................... 85
Restrictions for Tracking Login Activity.................................................................................................................. 85
Conguring Login Activity Tracking.........................................................................................................................85
Display Login Statistics..............................................................................................................................................86
Recovering from a Forgotten Password........................................................................................................................87
Recovering from a Forgotten Enable Password...........................................................................................................88
Recovering from a Failed Start...................................................................................................................................... 89
6 802.1X......................................................................................................................................................... 90
The Port-Authentication Process.................................................................................................................................. 93
EAP over RADIUS......................................................................................................................................................94
Conguring 802.1X...........................................................................................................................................................94
Related Conguration Tasks..................................................................................................................................... 94
Important Points to Remember......................................................................................................................................95
Enabling 802.1X................................................................................................................................................................ 95
Conguring Request Identity Re-Transmissions.....................................................................................................96
Conguring a Quiet Period after a Failed Authentication......................................................................................97
Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 98
Re-Authenticating a Port................................................................................................................................................99
Conguring Timeouts......................................................................................................................................................99
Conguring Dynamic VLAN Assignment with Port Authentication.........................................................................100
Guest and Authentication-Fail VLANs....................................................................................................................101
Conguring a Guest VLAN......................................................................................................................................102
Conguring an Authentication-Fail VLAN............................................................................................................. 102
7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)...................................104
Contents
5
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 104
Guidelines for Conguring ACL VLAN groups............................................................................................................105
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................106
Conguring ACL VLAN Groups.............................................................................................................................. 106
Conguring FP Blocks for VLAN Parameters....................................................................................................... 107
Viewing CAM Usage.......................................................................................................................................................107
Allocating FP Blocks for VLAN Processes.................................................................................................................. 109
8 Access Control Lists (ACLs)........................................................................................................................110
IP Access Control Lists (ACLs)...................................................................................................................................... 111
Implementing ACL on the Dell Networking OS........................................................................................................... 112
ACLs and VLANs.............................................................................................................................................................112
ACL Optimization............................................................................................................................................................ 112
Determine the Order in which ACLs are Used to Classify Trac..............................................................................112
Example of the order Keyword to Determine ACL Sequence..............................................................................112
IP Fragment Handling..................................................................................................................................................... 113
IP Fragments ACL Examples..........................................................................................................................................113
Layer 4 ACL Rules Examples......................................................................................................................................... 113
Congure a Standard IP ACL.........................................................................................................................................114
Conguring a Standard IP ACL Filter............................................................................................................................115
Congure an Extended IP ACL......................................................................................................................................116
Conguring Filters with a Sequence Number..............................................................................................................116
Conguring Filters Without a Sequence Number........................................................................................................117
Established Flag...............................................................................................................................................................117
Congure Layer 2 and Layer 3 ACLs.............................................................................................................................117
Assign an IP ACL to an Interface...................................................................................................................................118
Applying an IP ACL..........................................................................................................................................................118
Counting ACL Hits.......................................................................................................................................................... 119
Congure Ingress ACLs.................................................................................................................................................. 119
Congure Egress ACLs..................................................................................................................................................120
Applying Egress Layer 3 ACLs (Control-Plane).......................................................................................................... 120
IP Prex Lists................................................................................................................................................................... 121
Implementation Information..................................................................................................................................... 121
Conguration Task List for Prex Lists.........................................................................................................................121
Creating a Prex List......................................................................................................................................................122
Creating a Prex List Without a Sequence Number.................................................................................................. 122
Viewing Prex Lists........................................................................................................................................................ 123
Applying a Prex List for Route Redistribution........................................................................................................... 124
Applying a Filter to a Prex List (OSPF)......................................................................................................................124
ACL Resequencing......................................................................................................................................................... 125
Resequencing an ACL or Prex List.............................................................................................................................125
Route Maps..................................................................................................................................................................... 127
Implementation Information.....................................................................................................................................127
Important Points to Remember.....................................................................................................................................127
Conguration Task List for Route Maps...................................................................................................................... 127
Creating a Route Map....................................................................................................................................................127
6
Contents
Congure Route Map Filters.........................................................................................................................................129
Conguring Match Routes............................................................................................................................................ 129
Conguring Set Conditions........................................................................................................................................... 130
Congure a Route Map for Route Redistribution........................................................................................................131
Congure a Route Map for Route Tagging.................................................................................................................. 131
Continue Clause..............................................................................................................................................................132
Logging of ACL Processes............................................................................................................................................ 132
Guidelines for Conguring ACL Logging......................................................................................................................133
Conguring ACL Logging...............................................................................................................................................133
Flow-Based Monitoring Support for ACLs.................................................................................................................. 134
Behavior of Flow-Based Monitoring.......................................................................................................................134
Enabling Flow-Based Monitoring..................................................................................................................................135
9 Bidirectional Forwarding Detection (BFD).................................................................................................. 137
How BFD Works..............................................................................................................................................................137
BFD Packet Format..................................................................................................................................................138
BFD Sessions............................................................................................................................................................ 139
BFD Three-Way Handshake.................................................................................................................................... 140
Session State Changes............................................................................................................................................142
Important Points to Remember.................................................................................................................................... 142
Congure BFD................................................................................................................................................................ 142
Congure BFD for Physical Ports...........................................................................................................................143
Enabling BFD Globally.............................................................................................................................................. 143
Changing Physical Port Session Parameters........................................................................................................ 144
Disabling and Re-Enabling BFD...............................................................................................................................144
Congure BFD for Static Routes..................................................................................................................................145
Related Conguration Tasks....................................................................................................................................145
Establishing Sessions for Static Routes.................................................................................................................145
Establishing Static Route Sessions on Specic Neighbors................................................................................. 146
Changing Static Route Session Parameters..........................................................................................................147
Disabling BFD for Static Routes..............................................................................................................................147
Congure BFD for OSPF............................................................................................................................................... 147
Related Conguration Tasks....................................................................................................................................148
Establishing Sessions with OSPF Neighbors........................................................................................................ 148
Changing OSPF Session Parameters.....................................................................................................................149
Disabling BFD for OSPF...........................................................................................................................................149
Congure BFD for OSPFv3...........................................................................................................................................150
Related Conguration Tasks....................................................................................................................................150
Establishing Sessions with OSPFv3 Neighbors....................................................................................................150
Changing OSPFv3 Session Parameters................................................................................................................ 150
Disabling BFD for OSPFv3....................................................................................................................................... 151
Congure BFD for BGP..................................................................................................................................................151
Prerequisites...............................................................................................................................................................151
Establishing Sessions with BGP Neighbors........................................................................................................... 151
Disabling BFD for BGP.............................................................................................................................................153
Use BFD in a BGP Peer Group............................................................................................................................... 154
Contents
7
Displaying BFD for BGP Information......................................................................................................................154
Congure BFD for VRRP...............................................................................................................................................158
Related Conguration Tasks....................................................................................................................................158
Establishing Sessions with All VRRP Neighbors...................................................................................................158
Establishing VRRP Sessions on VRRP Neighbors................................................................................................159
Changing VRRP Session Parameters.................................................................................................................... 160
Disabling BFD for VRRP.......................................................................................................................................... 160
Congure BFD for VLANs.............................................................................................................................................160
Related Conguration Task...................................................................................................................................... 161
Establish Sessions with VLAN Neighbors.............................................................................................................. 161
Changing VLAN Session Parameters.....................................................................................................................162
Disabling BFD for VLANs.........................................................................................................................................162
Congure BFD for Port-Channels................................................................................................................................ 162
Related Conguration Tasks....................................................................................................................................162
Establish Sessions on Port-Channels.....................................................................................................................163
Changing Physical Port Session Parameters........................................................................................................ 163
Disabling BFD for Port-Channels............................................................................................................................164
Conguring Protocol Liveness...................................................................................................................................... 164
Troubleshooting BFD......................................................................................................................................................164
10 Border Gateway Protocol IPv4 (BGPv4)................................................................................................... 166
Autonomous Systems (AS)........................................................................................................................................... 166
Sessions and Peers........................................................................................................................................................ 168
Establish a Session...................................................................................................................................................168
Route Reectors.............................................................................................................................................................169
Communities............................................................................................................................................................. 170
BGP Attributes................................................................................................................................................................170
Best Path Selection Criteria.................................................................................................................................... 170
Weight........................................................................................................................................................................172
Local Preference.......................................................................................................................................................172
Multi-Exit Discriminators (MEDs)...........................................................................................................................173
Origin.......................................................................................................................................................................... 174
AS Path......................................................................................................................................................................175
Next Hop................................................................................................................................................................... 175
Multiprotocol BGP..........................................................................................................................................................175
Implement BGP with the Dell Networking OS............................................................................................................ 176
Additional Path (Add-Path) Support...................................................................................................................... 176
Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 176
Ignore Router-ID for Some Best-Path Calculations..............................................................................................177
Four-Byte AS Numbers............................................................................................................................................177
AS4 Number Representation...................................................................................................................................177
AS Number Migration...............................................................................................................................................179
BGP4 Management Information Base (MIB)........................................................................................................180
Important Points to Remember.............................................................................................................................. 180
Conguration Information.............................................................................................................................................. 181
BGP Conguration.......................................................................................................................................................... 181
8
Contents
Enabling BGP............................................................................................................................................................ 182
Enabling MBGP Congurations.............................................................................................................................. 212
BGP Regular Expression Optimization.........................................................................................................................213
Debugging BGP.............................................................................................................................................................. 213
Storing Last and Bad PDUs.....................................................................................................................................214
PDU Counters...........................................................................................................................................................215
Sample Congurations...................................................................................................................................................215
11 Conguration Cloning............................................................................................................................... 224
Cloning Conguration Output Status..........................................................................................................................224
12 Content Addressable Memory (CAM)....................................................................................................... 227
CAM Allocation...............................................................................................................................................................227
Test CAM Usage............................................................................................................................................................228
View CAM-ACL Settings.............................................................................................................................................. 228
CAM Optimization......................................................................................................................................................... 229
13 Control Plane Policing (CoPP)..................................................................................................................230
Congure Control Plane Policing.................................................................................................................................. 231
Conguring CoPP for Protocols............................................................................................................................ 232
Conguring CoPP for CPU Queues...................................................................................................................... 233
Show Commands.....................................................................................................................................................234
14 Data Center Bridging (DCB).....................................................................................................................236
Supported Modes..........................................................................................................................................................236
Ethernet Enhancements in Data Center Bridging..................................................................................................... 236
Priority-Based Flow Control..........................................................................................................................................237
Enhanced Transmission Selection................................................................................................................................238
Data Center Bridging Exchange Protocol (DCBx).....................................................................................................240
Creating a DCB Map..................................................................................................................................................... 240
Important Points to Remember............................................................................................................................. 240
Applying a DCB Map on Server-Facing Ethernet Ports...................................................................................... 241
Data Center Bridging: Default Conguration...............................................................................................................241
Data Center Bridging in a Trac Flow.........................................................................................................................242
Data Center Bridging: Auto-DCB-Enable Mode.........................................................................................................242
Conguring Priority-Based Flow Control.................................................................................................................... 244
How Priority-Based Flow Control is Implemented...............................................................................................246
Conguring Lossless Queues................................................................................................................................. 246
Conguring the PFC Buer in a Switch Stack.....................................................................................................247
Conguring Enhanced Transmission Selection...........................................................................................................248
How Enhanced Transmission Selection is Implemented..................................................................................... 248
ETS Operation with DCBx...................................................................................................................................... 249
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 249
DCBx Operation.............................................................................................................................................................250
DCBx Operation.......................................................................................................................................................250
DCBx Port Roles......................................................................................................................................................250
Contents
9
DCB Conguration Exchange................................................................................................................................. 251
Conguration Source Election................................................................................................................................252
Propagation of DCB Information............................................................................................................................252
Auto-Detection of the DCBx Version.................................................................................................................... 253
DCBx Example......................................................................................................................................................... 253
DCBx Prerequisites and Restrictions.....................................................................................................................254
DCBx Error Messages.............................................................................................................................................255
Debugging DCBx on an Interface.......................................................................................................................... 255
Verifying the DCB Conguration................................................................................................................................. 255
QoS dot1p Trac Classication and Queue Assignment..........................................................................................264
Troubleshooting PFC, ETS, and DCBx Operation......................................................................................................264
15 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 267
Supported Modes.......................................................................................................................................................... 267
Assigning an IP Address using DHCP.......................................................................................................................... 267
Debugging DHCP Client Operation............................................................................................................................. 269
DHCP Client................................................................................................................................................................... 270
How DHCP Client is Implemented................................................................................................................................271
DHCP Client on a Management Interface...................................................................................................................271
DHCP Client on a VLAN................................................................................................................................................272
DHCP Packet Format and Options..............................................................................................................................272
Option 82........................................................................................................................................................................ 273
Releasing and Renewing DHCP-based IP Addresses................................................................................................ 274
Viewing DHCP Statistics and Lease Information....................................................................................................... 274
16 Equal Cost Multi-Path (ECMP)................................................................................................................ 276
ECMP for Flow-Based Anity..................................................................................................................................... 276
Enabling Deterministic ECMP Next Hop...............................................................................................................276
Link Bundle Monitoring..................................................................................................................................................276
Managing ECMP Group Paths..................................................................................................................................... 277
17 FC FPORT................................................................................................................................................ 278
FC FPORT...................................................................................................................................................................... 279
Conguring Switch Mode to FCF Port Mode............................................................................................................ 279
Name Server.................................................................................................................................................................. 280
FCoE Maps......................................................................................................................................................................281
Creating an FCoE Map.................................................................................................................................................. 281
Zoning..............................................................................................................................................................................282
Creating Zone and Adding Members...........................................................................................................................283
Creating Zone Alias and Adding Members..................................................................................................................283
Creating Zonesets..........................................................................................................................................................283
Activating a Zoneset......................................................................................................................................................284
Displaying the Fabric Parameters................................................................................................................................ 284
18 FCoE Transit.............................................................................................................................................287
Supported Modes.......................................................................................................................................................... 287
10
Contents
Fibre Channel over Ethernet.........................................................................................................................................287
Ensure Robustness in a Converged Ethernet Network............................................................................................ 287
FIP Snooping on Ethernet Bridges.............................................................................................................................. 289
FIP Snooping in a Switch Stack...................................................................................................................................290
Using FIP Snooping........................................................................................................................................................291
Important Points to Remember.............................................................................................................................. 291
Enabling the FCoE Transit Feature.........................................................................................................................291
Enable FIP Snooping on VLANs.............................................................................................................................292
Congure the FC-MAP Value................................................................................................................................ 292
Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 292
Congure a Port for a Bridge-to-FCF Link...........................................................................................................292
Impact on Other Software Features..................................................................................................................... 292
FIP Snooping Prerequisites.....................................................................................................................................293
FIP Snooping Restrictions...................................................................................................................................... 293
Conguring FIP Snooping.......................................................................................................................................294
Displaying FIP Snooping Information...........................................................................................................................294
FCoE Transit Conguration Example.......................................................................................................................... 299
19 FIPS Cryptography...................................................................................................................................302
Preparing the System....................................................................................................................................................302
Enabling FIPS Mode...................................................................................................................................................... 302
Generating Host-Keys...................................................................................................................................................303
Monitoring FIPS Mode Status......................................................................................................................................303
Disabling FIPS Mode..................................................................................................................................................... 304
20 Force10 Resilient Ring Protocol (FRRP).................................................................................................. 305
Protocol Overview.........................................................................................................................................................305
Ring Status............................................................................................................................................................... 306
Multiple FRRP Rings................................................................................................................................................307
Important FRRP Points...........................................................................................................................................308
Important FRRP Concepts.....................................................................................................................................309
Implementing FRRP....................................................................................................................................................... 310
FRRP Conguration....................................................................................................................................................... 310
Creating the FRRP Group....................................................................................................................................... 310
Conguring the Control VLAN................................................................................................................................310
Conguring and Adding the Member VLANs....................................................................................................... 312
Setting the FRRP Timers.........................................................................................................................................313
Clearing the FRRP Counters...................................................................................................................................313
Viewing the FRRP Conguration............................................................................................................................313
Viewing the FRRP Information............................................................................................................................... 313
Troubleshooting FRRP................................................................................................................................................... 314
Conguration Checks...............................................................................................................................................314
Sample Conguration and Topology.............................................................................................................................314
FRRP Support on VLT................................................................................................................................................... 316
Example Scenario..................................................................................................................................................... 317
Important Points to Remember.............................................................................................................................. 318
Contents
11
21 GARP VLAN Registration Protocol (GVRP).............................................................................................. 319
Important Points to Remember.................................................................................................................................... 319
Congure GVRP............................................................................................................................................................. 319
Related Conguration Tasks...................................................................................................................................320
Enabling GVRP Globally................................................................................................................................................ 320
Enabling GVRP on a Layer 2 Interface.........................................................................................................................321
Congure GVRP Registration....................................................................................................................................... 321
Congure a GARP Timer.............................................................................................................................................. 322
22 FIP Snooping........................................................................................................................................... 323
Supported Modes..........................................................................................................................................................323
Fibre Channel over Ethernet........................................................................................................................................ 323
Ensuring Robustness in a Converged Ethernet Network......................................................................................... 323
FIP Snooping on Ethernet Bridges.............................................................................................................................. 325
How FIP Snooping is Implemented..............................................................................................................................326
FIP Snooping on VLANs......................................................................................................................................... 326
FC-MAP Value..........................................................................................................................................................327
Bridge-to-FCF Links................................................................................................................................................ 327
Impact on other Software Features.......................................................................................................................327
FIP Snooping Prerequisites..................................................................................................................................... 327
FIP Snooping Restrictions...................................................................................................................................... 328
Conguring FIP Snooping.............................................................................................................................................328
Displaying FIP Snooping Information...........................................................................................................................329
FIP Snooping Example.................................................................................................................................................. 334
Debugging FIP Snooping.............................................................................................................................................. 334
23 Internet Group Management Protocol (IGMP).........................................................................................336
IGMP Overview..............................................................................................................................................................336
IGMP Version 2..............................................................................................................................................................336
Joining a Multicast Group....................................................................................................................................... 337
Leaving a Multicast Group...................................................................................................................................... 337
IGMP Version 3.............................................................................................................................................................. 337
Joining and Filtering Groups and Sources............................................................................................................ 338
Leaving and Staying in Groups...............................................................................................................................339
IGMP Snooping..............................................................................................................................................................340
How IGMP Snooping is Implemented on an Aggregator.......................................................................................... 340
Disabling Multicast Flooding.........................................................................................................................................340
Displaying IGMP Information........................................................................................................................................340
24 Interfaces.................................................................................................................................................343
Basic Interface Conguration.......................................................................................................................................343
Advanced Interface Conguration...............................................................................................................................343
Interface Types...............................................................................................................................................................344
View Basic Interface Information.................................................................................................................................344
Conguring the Default Interface................................................................................................................................ 346
12
Contents
Enabling a Physical Interface........................................................................................................................................347
Physical Interfaces.........................................................................................................................................................347
Conguration Task List for Physical Interfaces.................................................................................................... 347
Overview of Layer Modes...................................................................................................................................... 348
Conguring Layer 2 (Data Link) Mode..................................................................................................................348
Conguring Layer 2 (Interface) Mode.................................................................................................................. 348
Conguring Layer 3 (Network) Mode...................................................................................................................349
Conguring Layer 3 (Interface) Mode.................................................................................................................. 349
Management Interfaces................................................................................................................................................350
Conguring Management Interfaces on the Switch............................................................................................351
VLAN Interfaces............................................................................................................................................................ 352
Loopback Interfaces...................................................................................................................................................... 352
Null Interfaces................................................................................................................................................................ 353
VLAN Membership........................................................................................................................................................ 353
Default VLAN .......................................................................................................................................................... 354
Port-Based VLANs.................................................................................................................................................. 354
VLANs and Port Tagging........................................................................................................................................ 354
Conguring VLAN Membership.............................................................................................................................355
Displaying VLAN Membership................................................................................................................................355
Adding an Interface to a Tagged VLAN................................................................................................................ 356
Adding an Interface to an Untagged VLAN..........................................................................................................356
VLAN Conguration on Physical Ports and Port-Channels................................................................................357
Port Channel Interfaces................................................................................................................................................358
Port Channel Denition and Standards.................................................................................................................358
Port Channel Benets.............................................................................................................................................358
Port Channel Implementation.................................................................................................................................359
100/1000/10000 Mbps Interfaces in Port Channels...........................................................................................359
Conguration Tasks for Port Channel Interfaces.................................................................................................360
Creating a Port Channel......................................................................................................................................... 360
Adding a Physical Interface to a Port Channel.....................................................................................................360
Reassigning an Interface to a New Port Channel................................................................................................362
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 363
Adding or Removing a Port Channel from a VLAN............................................................................................. 363
Assigning an IP Address to a Port Channel.......................................................................................................... 364
Deleting or Disabling a Port Channel.....................................................................................................................364
Load Balancing through Port Channels.......................................................................................................................364
Changing the Hash Algorithm......................................................................................................................................364
Server Ports................................................................................................................................................................... 365
Default Conguration without Start-up Cong................................................................................................... 365
Bulk Conguration......................................................................................................................................................... 366
Interface Range....................................................................................................................................................... 366
Bulk Conguration Examples..................................................................................................................................367
Dening Interface Range Macros................................................................................................................................ 368
Dene the Interface Range.................................................................................................................................... 368
Choosing an Interface-Range Macro.................................................................................................................... 368
Contents
13
Monitoring and Maintaining Interfaces....................................................................................................................... 369
Maintenance Using TDR......................................................................................................................................... 370
Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 370
Merging SFP+ Ports to QSFP 40G Ports..............................................................................................................371
Congure the MTU Size on an Interface...............................................................................................................371
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................ 372
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.................................................................................. 372
Important Points to Remember..............................................................................................................................373
Example Scenarios...................................................................................................................................................373
Layer 2 Flow Control Using Ethernet Pause Frames.................................................................................................373
Enabling Pause Frames............................................................................................................................................374
Congure MTU Size on an Interface........................................................................................................................... 374
Port-Pipes.......................................................................................................................................................................375
Auto-Negotiation on Ethernet Interfaces................................................................................................................... 375
Setting the Speed and Duplex Mode of Ethernet Interfaces.............................................................................375
View Advanced Interface Information......................................................................................................................... 377
Conguring the Interface Sampling Size...............................................................................................................378
Conguring the Trac Sampling Size Globally.....................................................................................................379
Dynamic Counters................................................................................................................................................... 380
Enhanced Control of Remote Fault Indication Processing........................................................................................381
25 Internet Protocol Security (IPSec).......................................................................................................... 383
Conguring IPSec .........................................................................................................................................................383
26 IPv4 Routing............................................................................................................................................385
IP Addresses...................................................................................................................................................................385
Implementation Information....................................................................................................................................386
Conguration Tasks for IP Addresses....................................................................................................................386
IPv4 Path MTU Discovery Overview.......................................................................................................................... 388
Using the Congured Source IP Address in ICMP Messages..................................................................................389
Conguring the ICMP Source Interface............................................................................................................... 389
Conguring 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
Conguring DNS with Traceroute.......................................................................................................................... 391
ARP..................................................................................................................................................................................392
Conguration Tasks for ARP.................................................................................................................................. 392
ARP Learning via Gratuitous ARP................................................................................................................................394
ARP Learning via ARP Request................................................................................................................................... 394
Conguring ARP Retries...............................................................................................................................................395
ICMP............................................................................................................................................................................... 396
Conguration Tasks for ICMP................................................................................................................................396
UDP Helper.....................................................................................................................................................................396
Congure UDP Helper............................................................................................................................................ 396
14
Contents
Important Points to Remember............................................................................................................................. 396
Enabling UDP Helper............................................................................................................................................... 397
Congurations Using UDP Helper................................................................................................................................397
UDP Helper with Broadcast-All Addresses...........................................................................................................397
UDP Helper with Subnet Broadcast Addresses...................................................................................................398
UDP Helper with Congured Broadcast Addresses............................................................................................398
UDP Helper with No Congured Broadcast Addresses......................................................................................399
Troubleshooting UDP Helper........................................................................................................................................399
27 IPv6 Routing.............................................................................................................................................401
Protocol Overview..........................................................................................................................................................401
Extended Address Space........................................................................................................................................402
Stateless Autoconguration................................................................................................................................... 402
IPv6 Header Fields.........................................................................................................................................................403
Version (4 bits).........................................................................................................................................................403
Trac Class (8 bits).................................................................................................................................................403
Flow Label (20 bits).................................................................................................................................................403
Payload Length (16 bits)......................................................................................................................................... 403
Next Header (8 bits)............................................................................................................................................... 404
Hop Limit (8 bits).....................................................................................................................................................404
Source Address (128 bits)...................................................................................................................................... 405
Destination Address (128 bits)............................................................................................................................... 405
Extension Header Fields............................................................................................................................................... 405
Hop-by-Hop Options Header.................................................................................................................................405
Addressing...................................................................................................................................................................... 406
Link-local Addresses................................................................................................................................................406
Static and Dynamic Addressing............................................................................................................................. 406
Implementing IPv6 with the Dell Networking OS...................................................................................................... 407
ICMPv6...........................................................................................................................................................................408
Path MTU Discovery.....................................................................................................................................................409
IPv6 Neighbor Discovery..............................................................................................................................................409
IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 410
Conguration Task List for IPv6 RDNSS..................................................................................................................... 410
Conguring the IPv6 Recursive DNS Server........................................................................................................410
Displaying IPv6 RDNSS Information....................................................................................................................... 411
Debugging IPv6 RDNSS Information Sent to the Host .......................................................................................411
IPv6 Multicast..................................................................................................................................................................411
Conguration Task List for IPv6................................................................................................................................... 412
Adjusting Your CAM-Prole.....................................................................................................................................412
Assigning an IPv6 Address to an Interface............................................................................................................413
Assigning a Static IPv6 Route.................................................................................................................................413
Conguring Telnet with IPv6...................................................................................................................................414
SNMP over IPv6.......................................................................................................................................................414
Showing IPv6 Information....................................................................................................................................... 414
Showing an IPv6 Interface...................................................................................................................................... 415
Showing IPv6 Routes...............................................................................................................................................415
Contents
15
Showing the Running-Conguration for an Interface..........................................................................................416
Clearing IPv6 Routes................................................................................................................................................417
Disabling ND Entry Timeout.................................................................................................................................... 417
Secure Shell (SSH) Over an IPv6 Transport............................................................................................................... 417
28 iSCSI Optimization................................................................................................................................... 418
Supported Modes...........................................................................................................................................................418
iSCSI Optimization Overview........................................................................................................................................418
Monitoring iSCSI Trac Flows......................................................................................................................................419
Information Monitored in iSCSI Trac Flows.............................................................................................................420
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................................420
iSCSI Optimization: Operation......................................................................................................................................420
Conguring iSCSI Optimization.................................................................................................................................... 421
Displaying iSCSI Optimization Information..................................................................................................................422
29 Intermediate System to Intermediate System.......................................................................................... 424
IS-IS Protocol Overview................................................................................................................................................424
IS-IS Addressing.............................................................................................................................................................424
Multi-Topology IS-IS...................................................................................................................................................... 425
Transition Mode....................................................................................................................................................... 425
Interface Support.....................................................................................................................................................426
Adjacencies...............................................................................................................................................................426
Graceful Restart.............................................................................................................................................................426
Timers........................................................................................................................................................................426
Implementation Information..........................................................................................................................................427
Conguration Information............................................................................................................................................. 427
Conguration Tasks for IS-IS..................................................................................................................................428
IS-IS Metric Styles.........................................................................................................................................................442
Congure Metric Values................................................................................................................................................442
Maximum Values in the Routing Table...................................................................................................................442
Change the IS-IS Metric Style in One Level Only................................................................................................442
Leaks from One Level to Another..........................................................................................................................444
Sample Congurations.................................................................................................................................................. 445
30 Isolated Networks for Aggregators.......................................................................................................... 449
Conguring and Verifying Isolated Network Settings............................................................................................... 449
31 Link Aggregation...................................................................................................................................... 450
Supported Modes..........................................................................................................................................................450
How the LACP is Implemented on an Aggregator.....................................................................................................450
Uplink LAG.................................................................................................................................................................451
Server-Facing LAGs................................................................................................................................................. 451
LACP Modes.............................................................................................................................................................451
Auto-Congured LACP Timeout............................................................................................................................ 451
Link Aggregation Control Protocol (LACP)................................................................................................................ 452
Conguration Tasks for Port Channel Interfaces.................................................................................................452
16
Contents
Creating a Port Channel..........................................................................................................................................452
Adding a Physical Interface to a Port Channel.....................................................................................................452
Reassigning an Interface to a New Port Channel................................................................................................454
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 455
Conguring VLAN Tags for Member Interfaces.................................................................................................. 455
Deleting or Disabling a Port Channel.....................................................................................................................456
Conguring Auto LAG...................................................................................................................................................456
Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active.............................................458
Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode..............................................459
Preserving LAG and Port Channel Settings in Nonvolatile Storage........................................................................459
Enabling LACP link-fallback..........................................................................................................................................459
Enabling the Verication of Member Links Utilization in a LAG Bundle..................................................................460
Monitoring the Member Links of a LAG Bundle........................................................................................................ 460
Verifying LACP Operation and LAG Conguration.....................................................................................................461
Multiple Uplink LAGs with 10G Member Ports.......................................................................................................... 463
32 Layer 2.....................................................................................................................................................465
Supported Modes..........................................................................................................................................................465
Managing the MAC Address Table.............................................................................................................................. 465
Clearing the MAC Address Entries........................................................................................................................465
Displaying the MAC Address Table........................................................................................................................ 466
Disabling MAC Address Learning on the System.................................................................................................466
Network Interface Controller (NIC) Teaming............................................................................................................. 467
MAC Address Station Move................................................................................................................................... 467
MAC Move Optimization........................................................................................................................................ 468
33 Link Layer Discovery Protocol (LLDP)..................................................................................................... 469
Supported Modes..........................................................................................................................................................469
Protocol Data Units....................................................................................................................................................... 469
Congure LLDP.............................................................................................................................................................. 471
Related Conguration Tasks....................................................................................................................................471
Important Points to Remember.............................................................................................................................. 471
CONFIGURATION versus INTERFACE Congurations............................................................................................. 471
Enabling LLDP................................................................................................................................................................ 472
Disabling and Undoing LLDP.................................................................................................................................. 472
Advertising TLVs............................................................................................................................................................ 472
Optional TLVs................................................................................................................................................................. 473
Management TLVs...................................................................................................................................................473
IEEE Organizationally Specic TLVs...................................................................................................................... 474
LLDP-MED Capabilities TLV...................................................................................................................................475
LLDP-MED Network Policies TLV......................................................................................................................... 476
Extended Power via MDI TLV.................................................................................................................................477
LLDP Operation..............................................................................................................................................................477
Viewing the LLDP Conguration..................................................................................................................................478
Viewing Information Advertised by Adjacent LLDP Agents......................................................................................478
Conguring LLDPDU Intervals..................................................................................................................................... 479
Contents
17
Conguring a Time to Live............................................................................................................................................480
Clearing LLDP Counters............................................................................................................................................... 480
Debugging LLDP.............................................................................................................................................................481
Relevant Management Objects.................................................................................................................................... 481
34 Microsoft Network Load Balancing.......................................................................................................... 487
NLB Unicast Mode Scenario........................................................................................................................................ 487
NLB Multicast Mode Scenario..................................................................................................................................... 487
Limitations With Enabling NLB on Switches.............................................................................................................. 488
Benets and Working of Microsoft Clustering...........................................................................................................488
Enable and Disable VLAN Flooding ............................................................................................................................ 488
Conguring a Switch for NLB .....................................................................................................................................488
Multicast NLB Mode............................................................................................................................................... 489
35 Multicast Source Discovery Protocol (MSDP)......................................................................................... 490
Protocol Overview.........................................................................................................................................................490
Anycast RP.....................................................................................................................................................................492
Implementation Information..........................................................................................................................................493
Congure the Multicast Source Discovery Protocol................................................................................................. 493
Related Conguration Tasks...................................................................................................................................493
Enabling MSDP.............................................................................................................................................................. 497
Manage the Source-Active Cache.............................................................................................................................. 498
Viewing the Source-Active Cache.........................................................................................................................498
Limiting the Source-Active Cache.........................................................................................................................498
Clearing the Source-Active Cache........................................................................................................................499
Enabling the Rejected Source-Active Cache....................................................................................................... 499
Accept Source-Active Messages that Fail the RFP Check......................................................................................499
Specifying Source-Active Messages...........................................................................................................................503
Limiting the Source-Active Messages from a Peer...................................................................................................504
Preventing MSDP from Caching a Local Source.......................................................................................................504
Preventing MSDP from Caching a Remote Source..................................................................................................505
Preventing MSDP from Advertising a Local Source................................................................................................. 505
Logging Changes in Peership States...........................................................................................................................506
Terminating a Peership..................................................................................................................................................506
Clearing Peer Statistics.................................................................................................................................................507
Debugging MSDP.......................................................................................................................................................... 507
MSDP with Anycast RP................................................................................................................................................508
Conguring Anycast RP............................................................................................................................................... 509
Reducing Source-Active Message Flooding......................................................................................................... 510
Specifying the RP Address Used in SA Messages...............................................................................................510
MSDP Sample Congurations...................................................................................................................................... 512
36 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 515
Protocol Overview..........................................................................................................................................................515
Spanning Tree Variations............................................................................................................................................... 516
Implementation Information.......................................................................................................................................... 516
18
Contents
Congure Multiple Spanning Tree Protocol.................................................................................................................516
Related Conguration Tasks....................................................................................................................................517
Enable Multiple Spanning Tree Globally....................................................................................................................... 517
Creating Multiple Spanning Tree Instances................................................................................................................. 517
Inuencing MSTP Root Selection.................................................................................................................................518
Interoperate with Non-Dell Networking OS Bridges..................................................................................................519
Changing the Region Name or Revision......................................................................................................................519
Modifying Global Parameters....................................................................................................................................... 520
Enable BPDU Filtering Globally.....................................................................................................................................521
Modifying the Interface Parameters............................................................................................................................ 521
Conguring an EdgePort.............................................................................................................................................. 522
Flush MAC Addresses after a Topology Change........................................................................................................523
MSTP Sample Congurations......................................................................................................................................523
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration....................................................................................... 524
Debugging and Verifying MSTP Congurations.........................................................................................................527
37 Multicast Features................................................................................................................................... 529
Enabling IP Multicast.....................................................................................................................................................529
Implementation Information..........................................................................................................................................529
First Packet Forwarding for Lossless Multicast.........................................................................................................530
Multicast Policies...........................................................................................................................................................530
IPv4 Multicast Policies..................................................................................................................................................530
Limiting the Number of Multicast Routes............................................................................................................. 531
Preventing a Host from Joining a Group............................................................................................................... 531
Rate Limiting IGMP Join Requests........................................................................................................................534
Preventing a PIM Router from Forming an Adjacency....................................................................................... 534
Preventing a Source from Registering with the RP............................................................................................ 534
Preventing a PIM Router from Processing a Join................................................................................................537
Understanding Multicast Traceroute (mtrace)...........................................................................................................537
Important Points to Remember............................................................................................................................. 538
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 538
Supported Error Codes.................................................................................................................................................539
mtrace Scenarios...........................................................................................................................................................540
38 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................546
Protocol Overview.........................................................................................................................................................546
Autonomous System (AS) Areas........................................................................................................................... 546
Area Types................................................................................................................................................................ 547
Networks and Neighbors........................................................................................................................................548
Router Types............................................................................................................................................................ 548
Link-State Advertisements (LSAs)........................................................................................................................550
Router Priority and Cost..........................................................................................................................................551
OSPF with the Dell Networking OS............................................................................................................................552
Graceful Restart...................................................................................................................................................... 553
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................554
Contents
19
Processing SNMP and Sending SNMP Traps......................................................................................................554
OSPF ACK Packing................................................................................................................................................. 554
Setting OSPF Adjacency with Cisco Routers...................................................................................................... 554
Conguration Information.............................................................................................................................................555
Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 555
Troubleshooting OSPFv2........................................................................................................................................566
Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................570
Enabling IPv6 Unicast Routing................................................................................................................................571
Assigning IPv6 Addresses on an Interface............................................................................................................ 571
Assigning Area ID on an Interface...........................................................................................................................571
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................ 572
Conguring Stub Areas........................................................................................................................................... 572
Conguring Passive-Interface................................................................................................................................ 572
Redistributing Routes.............................................................................................................................................. 573
Conguring a Default Route................................................................................................................................... 573
Enabling OSPFv3 Graceful Restart........................................................................................................................574
Displaying Graceful Restart.....................................................................................................................................574
OSPFv3 Authentication Using IPsec.....................................................................................................................576
39 Policy-based Routing (PBR).................................................................................................................... 584
Overview.........................................................................................................................................................................584
Implementing Policy-based Routing with Dell Networking OS................................................................................ 586
Conguration Task List for Policy-based Routing......................................................................................................586
PBR Exceptions (Permit)....................................................................................................................................... 588
Apply a Redirect-list to an Interface using a Redirect-group................................................................................... 590
Show Redirect List Conguration.......................................................................................................................... 591
Sample Conguration....................................................................................................................................................592
Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD..... 592
40 PIM Sparse-Mode (PIM-SM).................................................................................................................. 596
Implementation Information......................................................................................................................................... 596
Protocol Overview.........................................................................................................................................................596
Requesting Multicast Trac...................................................................................................................................597
Refuse Multicast Trac.......................................................................................................................................... 597
Send Multicast Trac............................................................................................................................................. 597
Conguring PIM-SM.....................................................................................................................................................598
Related Conguration Tasks...................................................................................................................................598
Enable PIM-SM..............................................................................................................................................................598
Conguring S,G Expiry Timers..................................................................................................................................... 599
Conguring a Static Rendezvous Point......................................................................................................................600
Overriding Bootstrap Router Updates.................................................................................................................. 600
Conguring a Designated Router................................................................................................................................. 601
Creating Multicast Boundaries and Domains.............................................................................................................. 601
Enabling PIM-SM Graceful Restart.............................................................................................................................602
41 PIM Source-Specic Mode (PIM-SSM)...................................................................................................603
20
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