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PowerEdge FX2/FX2s

Dell PowerEdge FX2/FX2s User guide

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Dell PowerEdge FN IO Module
Conguration Guide
9.13.0.0
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other
trademarks may be trademarks of their respective owners.
2017 - 12
Rev. A00
Contents
1 About this Guide...........................................................................................................................................33
Audience............................................................................................................................................................................33
Conventions......................................................................................................................................................................33
Information Symbols........................................................................................................................................................33
Related Documents......................................................................................................................................................... 34
2 Before You Start.......................................................................................................................................... 35
Operational Modes...........................................................................................................................................................35
Standalone mode....................................................................................................................................................... 35
VLT mode....................................................................................................................................................................35
Programmable MUX mode....................................................................................................................................... 35
Stacking mode............................................................................................................................................................36
Full Switch mode........................................................................................................................................................36
Default Settings............................................................................................................................................................... 36
Other Auto-Congured Settings....................................................................................................................................37
Data Center Bridging Support........................................................................................................................................ 37
FCoE Connectivity and FIP Snooping........................................................................................................................... 37
iSCSI Operation................................................................................................................................................................ 37
Link Aggregation.............................................................................................................................................................. 38
Link Tracking.....................................................................................................................................................................38
Conguring VLANs.......................................................................................................................................................... 38
Uplink LAG.................................................................................................................................................................. 38
Server-Facing LAGs.................................................................................................................................................. 38
Where to Go From Here..................................................................................................................................................39
3 Conguration Fundamentals........................................................................................................................ 40
Accessing the Command Line........................................................................................................................................40
CLI Modes......................................................................................................................................................................... 41
Navigating CLI Modes................................................................................................................................................41
The do Command............................................................................................................................................................ 42
Undoing Commands........................................................................................................................................................ 43
Obtaining Help..................................................................................................................................................................43
Entering and Editing Commands....................................................................................................................................44
Command History............................................................................................................................................................ 44
Filtering show Command Outputs.................................................................................................................................45
Multiple Users in Conguration Mode...........................................................................................................................46
4 Getting Started............................................................................................................................................47
Console Access................................................................................................................................................................48
Serial Console.............................................................................................................................................................48
External Serial Port with a USB Connector............................................................................................................50
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................50
Contents
3
Entering CLI commands Using an SSH Connection..............................................................................................50
Executing Local CLI Scripts Using an SSH Connection........................................................................................50
Boot Process.....................................................................................................................................................................51
Default Conguration...................................................................................................................................................... 52
Conguring a Host Name............................................................................................................................................... 52
Conguring a Unique Host Name on the System........................................................................................................53
Accessing the System Remotely....................................................................................................................................53
Accessing the Switch Remotely...............................................................................................................................53
Congure the Management Port IP Address......................................................................................................... 53
Congure a Management Route..............................................................................................................................54
Conguring a Username and Password.................................................................................................................. 54
Conguring the Enable Password..................................................................................................................................55
Conguration File Management.....................................................................................................................................55
Copy Files to and from the System......................................................................................................................... 56
Save the Running-Conguration..............................................................................................................................57
Viewing Files...............................................................................................................................................................58
Managing the File System.............................................................................................................................................. 59
View the Command History........................................................................................................................................... 60
Using HTTP for File Transfers........................................................................................................................................ 60
Upgrading and Downgrading the Dell Networking OS.................................................................................................61
Verify Software Images Before Installation....................................................................................................................61
Deploying FN I/O Module............................................................................................................................................... 62
Ensuring the FN IOM system is in Standalone Mode............................................................................................63
Conguration Examples............................................................................................................................................ 63
Congure Interfaces and Port Channel...................................................................................................................65
Verifying the Congurations.....................................................................................................................................65
5 Management................................................................................................................................................67
Conguring Privilege Levels............................................................................................................................................67
Creating a Custom Privilege Level...........................................................................................................................68
Customizing a Privilege Level...................................................................................................................................68
Applying a Privilege Level to a Username............................................................................................................... 70
Applying a Privilege Level to a Terminal Line.......................................................................................................... 70
Conguring Logging.........................................................................................................................................................70
Audit and Security Logs............................................................................................................................................. 71
Conguring Logging Format ...................................................................................................................................72
Setting Up a Secure Connection to a Syslog Server.............................................................................................73
Display the Logging Buer and the Logging Conguration........................................................................................ 74
Log Messages in the Internal Buer.............................................................................................................................. 74
Conguration Task List for System Log Management.......................................................................................... 75
Disabling System Logging............................................................................................................................................... 75
Sending System Messages to a Syslog Server............................................................................................................75
Conguring a UNIX System as a Syslog Server.....................................................................................................75
Changing System Logging Settings...............................................................................................................................76
Display the Logging Buer and the Logging Conguration........................................................................................ 77
Conguring a UNIX Logging Facility Level.................................................................................................................... 77
4
Contents
Synchronizing Log Messages......................................................................................................................................... 78
Enabling Timestamp on Syslog Messages.................................................................................................................... 79
Enabling Secure Management Mode............................................................................................................................ 79
Enabling Secured CLI Mode........................................................................................................................................... 80
File Transfer Services...................................................................................................................................................... 80
Conguration Task List for File Transfer Services..................................................................................................80
Enabling the FTP Server...........................................................................................................................................80
Conguring FTP Server Parameters........................................................................................................................ 81
Conguring FTP Client Parameters..........................................................................................................................81
Terminal Lines................................................................................................................................................................... 82
Denying and Permitting Access to a Terminal Line................................................................................................82
Conguring Login Authentication for Terminal Lines.............................................................................................82
Setting Time Out of EXEC Privilege Mode...................................................................................................................83
Using Telnet to get to Another Network Device..........................................................................................................84
Lock CONFIGURATION Mode....................................................................................................................................... 84
Viewing the Conguration Lock Status...................................................................................................................85
Limit Concurrent Login Sessions....................................................................................................................................85
Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 85
Conguring Concurrent Session Limit.....................................................................................................................86
Enabling the System to Clear Existing Sessions.................................................................................................... 86
Track Login Activity..........................................................................................................................................................87
Restrictions for Tracking Login Activity...................................................................................................................87
Conguring Login Activity Tracking......................................................................................................................... 87
Display Login Statistics..............................................................................................................................................88
Recovering from a Forgotten Password....................................................................................................................... 89
Recovering from a Forgotten Enable Password.......................................................................................................... 90
Recovering from a Failed Start....................................................................................................................................... 91
6 802.1X..........................................................................................................................................................92
The Port-Authentication Process.................................................................................................................................. 95
EAP over RADIUS......................................................................................................................................................96
Conguring 802.1X...........................................................................................................................................................96
Related Conguration Tasks..................................................................................................................................... 96
Important Points to Remember......................................................................................................................................97
Enabling 802.1X.................................................................................................................................................................97
Conguring Request Identity Re-Transmissions.....................................................................................................98
Conguring a Quiet Period after a Failed Authentication..................................................................................... 99
Forcibly Authorizing or Unauthorizing a Port..............................................................................................................100
Re-Authenticating a Port............................................................................................................................................... 101
Conguring Timeouts..................................................................................................................................................... 101
Conguring Dynamic VLAN Assignment with Port Authentication......................................................................... 102
Guest and Authentication-Fail VLANs...................................................................................................................103
Conguring a Guest VLAN......................................................................................................................................104
Conguring an Authentication-Fail VLAN............................................................................................................. 104
7 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)...................................106
Contents
5
Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 106
Guidelines for Conguring ACL VLAN groups............................................................................................................ 107
Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................108
Conguring ACL VLAN Groups.............................................................................................................................. 108
Conguring FP Blocks for VLAN Parameters.......................................................................................................109
Viewing CAM Usage...................................................................................................................................................... 109
Allocating FP Blocks for VLAN Processes....................................................................................................................111
8 Access Control Lists (ACLs)........................................................................................................................112
IP Access Control Lists (ACLs)......................................................................................................................................113
Implementing ACL on the Dell Networking OS........................................................................................................... 113
ACLs and VLANs.............................................................................................................................................................114
ACL Optimization............................................................................................................................................................ 114
Determine the Order in which ACLs are Used to Classify Trac..............................................................................114
Example of the order Keyword to Determine ACL Sequence..............................................................................114
IP Fragment Handling..................................................................................................................................................... 115
IP Fragments ACL Examples......................................................................................................................................... 115
Layer 4 ACL Rules Examples......................................................................................................................................... 115
Congure a Standard IP ACL.........................................................................................................................................116
Conguring a Standard IP ACL Filter............................................................................................................................ 117
Congure an Extended IP ACL......................................................................................................................................118
Conguring Filters with a Sequence Number..............................................................................................................118
Conguring Filters Without a Sequence Number....................................................................................................... 118
Established Flag...............................................................................................................................................................119
Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 119
Assign an IP ACL to an Interface..................................................................................................................................120
Applying an IP ACL.........................................................................................................................................................120
Counting ACL Hits...........................................................................................................................................................121
Congure Ingress ACLs.................................................................................................................................................. 121
Congure Egress ACLs...................................................................................................................................................121
Applying Egress Layer 3 ACLs (Control-Plane).......................................................................................................... 122
IP Prex Lists.................................................................................................................................................................. 122
Implementation Information.................................................................................................................................... 123
Conguration Task List for Prex Lists........................................................................................................................ 123
Creating a Prex List......................................................................................................................................................123
Creating a Prex List Without a Sequence Number.................................................................................................. 124
Viewing Prex Lists........................................................................................................................................................125
Applying a Prex List for Route Redistribution...........................................................................................................125
Applying a Filter to a Prex List (OSPF)......................................................................................................................126
ACL Resequencing......................................................................................................................................................... 126
Resequencing an ACL or Prex List............................................................................................................................. 127
Route Maps.....................................................................................................................................................................128
Implementation Information.................................................................................................................................... 128
Important Points to Remember.................................................................................................................................... 129
Conguration Task List for Route Maps...................................................................................................................... 129
Creating a Route Map....................................................................................................................................................129
6
Contents
Congure Route Map Filters.........................................................................................................................................130
Conguring Match Routes.............................................................................................................................................131
Conguring Set Conditions........................................................................................................................................... 132
Congure a Route Map for Route Redistribution.......................................................................................................132
Congure a Route Map for Route Tagging..................................................................................................................133
Continue Clause..............................................................................................................................................................133
Logging of ACL Processes............................................................................................................................................ 134
Guidelines for Conguring ACL Logging......................................................................................................................134
Conguring ACL Logging.............................................................................................................................................. 135
Flow-Based Monitoring Support for ACLs..................................................................................................................135
Behavior of Flow-Based Monitoring.......................................................................................................................136
Enabling Flow-Based Monitoring.................................................................................................................................. 137
9 Bidirectional Forwarding Detection (BFD).................................................................................................. 139
How BFD Works............................................................................................................................................................. 139
BFD Packet Format..................................................................................................................................................140
BFD Sessions............................................................................................................................................................. 141
BFD Three-Way Handshake.................................................................................................................................... 142
Session State Changes............................................................................................................................................144
Important Points to Remember.................................................................................................................................... 144
Congure BFD................................................................................................................................................................ 144
Congure BFD for Physical Ports...........................................................................................................................145
Enabling BFD Globally.............................................................................................................................................. 145
Changing Physical Port Session Parameters........................................................................................................ 146
Disabling and Re-Enabling BFD.............................................................................................................................. 146
Congure BFD for Static Routes..................................................................................................................................147
Related Conguration Tasks....................................................................................................................................147
Establishing Sessions for Static Routes.................................................................................................................147
Establishing Static Route Sessions on Specic Neighbors................................................................................. 148
Changing Static Route Session Parameters......................................................................................................... 149
Disabling BFD for Static Routes............................................................................................................................. 149
Congure BFD for OSPF...............................................................................................................................................149
Related Conguration Tasks....................................................................................................................................150
Establishing Sessions with OSPF Neighbors........................................................................................................150
Establishing Sessions with OSPF Neighbors for nondefault VRFs.....................................................................151
Changing OSPF Session Parameters.....................................................................................................................152
Disabling BFD for OSPF...........................................................................................................................................152
Congure BFD for OSPFv3...........................................................................................................................................152
Related Conguration Tasks....................................................................................................................................153
Establishing Sessions with OSPFv3 Neighbors....................................................................................................153
Establishing BFD Sessions with OSPFv3 Neighbors for nondefault VRFs....................................................... 153
Changing OSPFv3 Session Parameters.................................................................................................................154
Disabling BFD for OSPFv3...................................................................................................................................... 155
Congure BFD for BGP.................................................................................................................................................155
Prerequisites..............................................................................................................................................................155
Establishing Sessions with BGP Neighbors.......................................................................................................... 155
Contents
7
Disabling BFD for BGP.............................................................................................................................................160
Use BFD in a BGP Peer Group............................................................................................................................... 160
Displaying BFD for BGP Information......................................................................................................................160
Congure BFD for VRRP...............................................................................................................................................164
Related Conguration Tasks....................................................................................................................................164
Establishing Sessions with All VRRP Neighbors...................................................................................................165
Establishing VRRP Sessions on VRRP Neighbors................................................................................................165
Changing VRRP Session Parameters.................................................................................................................... 166
Disabling BFD for VRRP.......................................................................................................................................... 166
Congure BFD for VLANs............................................................................................................................................. 167
Related Conguration Task......................................................................................................................................167
Establish Sessions with VLAN Neighbors............................................................................................................. 168
Changing VLAN Session Parameters.....................................................................................................................168
Disabling BFD for VLANs.........................................................................................................................................169
Congure BFD for Port-Channels................................................................................................................................169
Related Conguration Tasks....................................................................................................................................169
Establish Sessions on Port-Channels.....................................................................................................................170
Changing Physical Port Session Parameters........................................................................................................ 170
Disabling BFD for Port-Channels.............................................................................................................................171
Conguring Protocol Liveness....................................................................................................................................... 171
10 Border Gateway Protocol IPv4 (BGPv4)................................................................................................... 172
Autonomous Systems (AS)........................................................................................................................................... 172
Sessions and Peers.........................................................................................................................................................174
Establish a Session....................................................................................................................................................174
Route Reectors.............................................................................................................................................................175
Communities............................................................................................................................................................. 176
BGP Attributes................................................................................................................................................................176
Best Path Selection Criteria.................................................................................................................................... 176
Weight........................................................................................................................................................................178
Local Preference.......................................................................................................................................................178
Multi-Exit Discriminators (MEDs)...........................................................................................................................179
Origin..........................................................................................................................................................................180
AS Path.......................................................................................................................................................................181
Next Hop....................................................................................................................................................................181
Multiprotocol BGP...........................................................................................................................................................181
Implement BGP with the Dell Networking OS............................................................................................................182
Additional Path (Add-Path) Support......................................................................................................................182
Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 182
Ignore Router-ID for Some Best-Path Calculations............................................................................................. 183
Four-Byte AS Numbers............................................................................................................................................183
AS4 Number Representation.................................................................................................................................. 183
AS Number Migration.............................................................................................................................................. 185
BGP4 Management Information Base (MIB)........................................................................................................186
Important Points to Remember.............................................................................................................................. 186
Conguration Information..............................................................................................................................................187
8
Contents
BGP Conguration..........................................................................................................................................................187
Enabling BGP............................................................................................................................................................ 188
Enabling MBGP Congurations.............................................................................................................................. 218
BGP Regular Expression Optimization.........................................................................................................................219
Debugging BGP.............................................................................................................................................................. 219
Storing Last and Bad PDUs....................................................................................................................................220
PDU Counters...........................................................................................................................................................221
Sample Congurations...................................................................................................................................................221
11 Conguration Cloning............................................................................................................................... 230
Cloning Conguration Output Status..........................................................................................................................230
12 Content Addressable Memory (CAM).......................................................................................................233
CAM Allocation...............................................................................................................................................................233
Test CAM Usage............................................................................................................................................................ 234
View CAM-ACL Settings.............................................................................................................................................. 234
Conguring CAM Threshold and Silence Period........................................................................................................235
Setting CAM Threshold and Silence Period......................................................................................................... 235
CAM Optimization......................................................................................................................................................... 236
13 Control Plane Policing (CoPP)..................................................................................................................237
Congure Control Plane Policing................................................................................................................................. 238
Conguring CoPP for Protocols............................................................................................................................ 239
Conguring CoPP for CPU Queues...................................................................................................................... 240
Show Commands..................................................................................................................................................... 241
14 Data Center Bridging (DCB)..................................................................................................................... 243
Supported Modes.......................................................................................................................................................... 243
Ethernet Enhancements in Data Center Bridging......................................................................................................243
Priority-Based Flow Control......................................................................................................................................... 244
Enhanced Transmission Selection................................................................................................................................245
Data Center Bridging Exchange Protocol (DCBx).....................................................................................................247
Creating a DCB Map......................................................................................................................................................247
Important Points to Remember..............................................................................................................................247
Applying a DCB Map on Server-Facing Ethernet Ports......................................................................................248
Data Center Bridging: Default Conguration..............................................................................................................248
Data Center Bridging in a Trac Flow.........................................................................................................................249
Data Center Bridging: Auto-DCB-Enable Mode........................................................................................................ 249
Conguring Priority-Based Flow Control.....................................................................................................................251
How Priority-Based Flow Control is Implemented...............................................................................................253
Conguring Lossless Queues................................................................................................................................. 253
Conguring the PFC Buer in a Switch Stack.................................................................................................... 254
Conguring Enhanced Transmission Selection.......................................................................................................... 255
How Enhanced Transmission Selection is Implemented..................................................................................... 255
ETS Operation with DCBx......................................................................................................................................256
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 256
Contents
9
DCBx Operation............................................................................................................................................................. 257
DCBx Operation....................................................................................................................................................... 257
DCBx Port Roles...................................................................................................................................................... 257
DCB Conguration Exchange................................................................................................................................ 258
Conguration Source Election............................................................................................................................... 259
Propagation of DCB Information........................................................................................................................... 259
Auto-Detection of the DCBx Version....................................................................................................................260
DCBx Example......................................................................................................................................................... 260
DCBx Prerequisites and Restrictions..................................................................................................................... 261
DCBx Error Messages.............................................................................................................................................262
Debugging DCBx on an Interface.......................................................................................................................... 262
Verifying the DCB Conguration................................................................................................................................. 262
QoS dot1p Trac Classication and Queue Assignment...........................................................................................271
Troubleshooting PFC, ETS, and DCBx Operation.......................................................................................................271
15 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 274
Supported Modes.......................................................................................................................................................... 274
Assigning an IP Address using DHCP.......................................................................................................................... 274
Debugging DHCP Client Operation..............................................................................................................................276
DHCP Client....................................................................................................................................................................277
How DHCP Client is Implemented............................................................................................................................... 278
DHCP Client on a Management Interface.................................................................................................................. 278
DHCP Client on a VLAN................................................................................................................................................279
DHCP Packet Format and Options..............................................................................................................................279
Option 82........................................................................................................................................................................280
Releasing and Renewing DHCP-based IP Addresses.................................................................................................281
Viewing DHCP Statistics and Lease Information........................................................................................................281
DHCP Snooping............................................................................................................................................................. 282
DHCP Snooping for a Multi-Tenant Host..............................................................................................................282
DHCP Snooping in a VLT Setup.............................................................................................................................283
Enabling DHCP Snooping....................................................................................................................................... 283
Enabling IPv6 DHCP Snooping.............................................................................................................................. 283
Adding a Static Entry in the Binding Table............................................................................................................283
Adding a Static IPV6 DHCP Snooping Binding Table.......................................................................................... 284
Clearing the Binding Table...................................................................................................................................... 284
Clearing the DHCP IPv6 Binding Table................................................................................................................. 284
Displaying the Contents of the Binding Table.......................................................................................................284
Displaying the Contents of the DHCPv6 Binding Table...................................................................................... 285
Debugging the IPv6 DHCP.....................................................................................................................................285
IPv6 DHCP Snooping MAC-Address Verication................................................................................................286
16 Equal Cost Multi-Path (ECMP)................................................................................................................ 287
ECMP for Flow-Based Anity..................................................................................................................................... 287
Enabling Deterministic ECMP Next Hop...............................................................................................................287
Link Bundle Monitoring..................................................................................................................................................287
Managing ECMP Group Paths.....................................................................................................................................288
10
Contents
17 FC FPORT................................................................................................................................................289
FC FPORT......................................................................................................................................................................290
Conguring Switch Mode to FCF Port Mode............................................................................................................290
Name Server...................................................................................................................................................................291
FCoE Maps.....................................................................................................................................................................292
Creating an FCoE Map..................................................................................................................................................292
Zoning..............................................................................................................................................................................293
Creating Zone and Adding Members...........................................................................................................................294
Creating Zone Alias and Adding Members..................................................................................................................294
Creating Zonesets..........................................................................................................................................................294
Activating a Zoneset..................................................................................................................................................... 295
Displaying the Fabric Parameters................................................................................................................................ 295
18 FCoE Transit.............................................................................................................................................298
Supported Modes..........................................................................................................................................................298
Fibre Channel over Ethernet........................................................................................................................................ 298
Ensure Robustness in a Converged Ethernet Network............................................................................................298
FIP Snooping on Ethernet Bridges..............................................................................................................................300
FIP Snooping in a Switch Stack....................................................................................................................................301
Using FIP Snooping....................................................................................................................................................... 302
Important Points to Remember............................................................................................................................. 302
Enabling the FCoE Transit Feature........................................................................................................................302
Enable FIP Snooping on VLANs.............................................................................................................................303
Congure the FC-MAP Value................................................................................................................................ 303
Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 303
Congure a Port for a Bridge-to-FCF Link...........................................................................................................303
Impact on Other Software Features..................................................................................................................... 303
FIP Snooping Prerequisites.....................................................................................................................................304
FIP Snooping Restrictions...................................................................................................................................... 304
Conguring FIP Snooping.......................................................................................................................................305
Displaying FIP Snooping Information...........................................................................................................................305
FCoE Transit Conguration Example........................................................................................................................... 310
19 FIPS Cryptography................................................................................................................................... 313
Preparing the System.................................................................................................................................................... 313
Enabling FIPS Mode.......................................................................................................................................................313
Generating Host-Keys....................................................................................................................................................314
Monitoring FIPS Mode Status...................................................................................................................................... 314
Disabling FIPS Mode...................................................................................................................................................... 315
20 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 316
Protocol Overview..........................................................................................................................................................316
Ring Status................................................................................................................................................................ 317
Multiple FRRP Rings................................................................................................................................................ 318
Important FRRP Points............................................................................................................................................319
Contents
11
Important FRRP Concepts..................................................................................................................................... 320
Implementing FRRP....................................................................................................................................................... 321
FRRP Conguration....................................................................................................................................................... 321
Creating the FRRP Group....................................................................................................................................... 321
Conguring the Control VLAN................................................................................................................................321
Conguring and Adding the Member VLANs.......................................................................................................323
Setting the FRRP Timers........................................................................................................................................324
Clearing the FRRP Counters.................................................................................................................................. 324
Viewing the FRRP Conguration...........................................................................................................................324
Viewing the FRRP Information...............................................................................................................................324
Troubleshooting FRRP.................................................................................................................................................. 325
Conguration Checks..............................................................................................................................................325
Sample Conguration and Topology............................................................................................................................325
FRRP Support on VLT...................................................................................................................................................327
Example Scenario.................................................................................................................................................... 328
Important Points to Remember............................................................................................................................. 329
21 GARP VLAN Registration Protocol (GVRP)..............................................................................................330
Important Points to Remember................................................................................................................................... 330
Congure GVRP............................................................................................................................................................ 330
Related Conguration Tasks....................................................................................................................................331
Enabling GVRP Globally.................................................................................................................................................331
Enabling GVRP on a Layer 2 Interface........................................................................................................................332
Congure GVRP Registration.......................................................................................................................................332
Congure a GARP Timer.............................................................................................................................................. 333
22 FIP Snooping........................................................................................................................................... 334
Supported Modes..........................................................................................................................................................334
Fibre Channel over Ethernet........................................................................................................................................ 334
Ensuring Robustness in a Converged Ethernet Network.........................................................................................334
FIP Snooping on Ethernet Bridges.............................................................................................................................. 336
How FIP Snooping is Implemented.............................................................................................................................. 337
FIP Snooping on VLANs..........................................................................................................................................337
FC-MAP Value......................................................................................................................................................... 338
Bridge-to-FCF Links................................................................................................................................................338
Impact on other Software Features...................................................................................................................... 338
FIP Snooping Prerequisites.....................................................................................................................................338
FIP Snooping Restrictions...................................................................................................................................... 339
Conguring FIP Snooping.............................................................................................................................................339
Displaying FIP Snooping Information...........................................................................................................................340
FIP Snooping Example.................................................................................................................................................. 345
Debugging FIP Snooping.............................................................................................................................................. 345
23 Internet Group Management Protocol (IGMP)......................................................................................... 347
IGMP Overview..............................................................................................................................................................347
IGMP Version 2.............................................................................................................................................................. 347
12
Contents
Joining a Multicast Group.......................................................................................................................................348
Leaving a Multicast Group......................................................................................................................................348
IGMP Version 3.............................................................................................................................................................. 348
Joining and Filtering Groups and Sources............................................................................................................ 349
Leaving and Staying in Groups...............................................................................................................................350
IGMP Snooping...............................................................................................................................................................351
How IGMP Snooping is Implemented on an Aggregator...........................................................................................351
Disabling Multicast Flooding..........................................................................................................................................351
Displaying IGMP Information.........................................................................................................................................351
24 Interfaces................................................................................................................................................ 354
Basic Interface Conguration.......................................................................................................................................354
Advanced Interface Conguration...............................................................................................................................354
Interface Types...............................................................................................................................................................355
View Basic Interface Information.................................................................................................................................355
Conguring the Default Interface................................................................................................................................ 357
Enabling a Physical Interface........................................................................................................................................358
Physical Interfaces.........................................................................................................................................................358
Conguration Task List for Physical Interfaces....................................................................................................358
Overview of Layer Modes...................................................................................................................................... 359
Conguring Layer 2 (Data Link) Mode..................................................................................................................359
Conguring Layer 2 (Interface) Mode.................................................................................................................. 359
Conguring Layer 3 (Network) Mode...................................................................................................................360
Conguring Layer 3 (Interface) Mode.................................................................................................................. 360
Management Interfaces.................................................................................................................................................361
Conguring Management Interfaces on the Switch........................................................................................... 362
VLAN Interfaces............................................................................................................................................................ 363
Loopback Interfaces...................................................................................................................................................... 363
Null Interfaces................................................................................................................................................................ 364
VLAN Membership........................................................................................................................................................ 364
Default VLAN .......................................................................................................................................................... 365
Port-Based VLANs..................................................................................................................................................365
VLANs and Port Tagging........................................................................................................................................ 365
Conguring VLAN Membership.............................................................................................................................366
Displaying VLAN Membership................................................................................................................................366
Adding an Interface to a Tagged VLAN.................................................................................................................367
Adding an Interface to an Untagged VLAN.......................................................................................................... 367
VLAN Conguration on Physical Ports and Port-Channels................................................................................368
Port Channel Interfaces................................................................................................................................................369
Port Channel Denition and Standards.................................................................................................................369
Port Channel Benets.............................................................................................................................................369
Port Channel Implementation.................................................................................................................................370
100/1000/10000 Mbps Interfaces in Port Channels...........................................................................................370
Conguration Tasks for Port Channel Interfaces..................................................................................................371
Creating a Port Channel...........................................................................................................................................371
Adding a Physical Interface to a Port Channel......................................................................................................371
Contents
13
Reassigning an Interface to a New Port Channel................................................................................................ 373
Conguring the Minimum Oper Up Links in a Port Channel...............................................................................374
Adding or Removing a Port Channel from a VLAN..............................................................................................374
Assigning an IP Address to a Port Channel.......................................................................................................... 375
Deleting or Disabling a Port Channel..................................................................................................................... 375
Load Balancing through Port Channels.......................................................................................................................375
Changing the Hash Algorithm...................................................................................................................................... 375
Server Ports....................................................................................................................................................................376
Default Conguration without Start-up Cong....................................................................................................376
Bulk Conguration..........................................................................................................................................................377
Interface Range........................................................................................................................................................ 377
Bulk Conguration Examples..................................................................................................................................378
Dening Interface Range Macros................................................................................................................................ 379
Dene the Interface Range.....................................................................................................................................379
Choosing an Interface-Range Macro.................................................................................................................... 379
Monitoring and Maintaining Interfaces....................................................................................................................... 380
Maintenance Using TDR..........................................................................................................................................381
Splitting QSFP Ports to SFP+ Ports............................................................................................................................381
Merging SFP+ Ports to QSFP 40G Ports.............................................................................................................382
Congure the MTU Size on an Interface..............................................................................................................382
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................383
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................383
Important Points to Remember............................................................................................................................. 384
Example Scenarios...................................................................................................................................................384
Layer 2 Flow Control Using Ethernet Pause Frames................................................................................................ 384
Enabling Pause Frames...........................................................................................................................................385
Congure MTU Size on an Interface...........................................................................................................................385
Port-Pipes.......................................................................................................................................................................386
Auto-Negotiation on Ethernet Interfaces...................................................................................................................386
Setting the Speed and Duplex Mode of Ethernet Interfaces.............................................................................386
View Advanced Interface Information.........................................................................................................................388
Conguring the Interface Sampling Size.............................................................................................................. 389
Conguring the Trac Sampling Size Globally.................................................................................................... 390
Dynamic Counters.................................................................................................................................................... 391
Enhanced Control of Remote Fault Indication Processing....................................................................................... 392
25 Internet Protocol Security (IPSec).......................................................................................................... 394
Conguring IPSec .........................................................................................................................................................394
26 IPv4 Routing............................................................................................................................................396
IP Addresses...................................................................................................................................................................396
Implementation Information....................................................................................................................................397
Conguration Tasks for IP Addresses....................................................................................................................397
IPv4 Path MTU Discovery Overview.......................................................................................................................... 399
Using the Congured Source IP Address in ICMP Messages..................................................................................400
Conguring the ICMP Source Interface............................................................................................................... 400
14
Contents
Conguring the Duration to Establish a TCP Connection........................................................................................ 400
Enabling Directed Broadcast.........................................................................................................................................401
Resolution of Host Names............................................................................................................................................ 401
Enabling Dynamic Resolution of Host Names.......................................................................................................401
Specifying the Local System Domain and a List of Domains............................................................................. 402
Conguring DNS with Traceroute..........................................................................................................................402
ARP................................................................................................................................................................................. 403
Conguration Tasks for ARP.................................................................................................................................. 403
ARP Learning via Gratuitous ARP............................................................................................................................... 405
ARP Learning via ARP Request................................................................................................................................... 405
Conguring ARP Retries...............................................................................................................................................406
ICMP................................................................................................................................................................................407
Conguration Tasks for ICMP................................................................................................................................ 407
UDP Helper.....................................................................................................................................................................407
Congure UDP Helper.............................................................................................................................................407
Important Points to Remember..............................................................................................................................407
Enabling UDP Helper...............................................................................................................................................408
Congurations Using UDP Helper............................................................................................................................... 408
UDP Helper with Broadcast-All Addresses...........................................................................................................408
UDP Helper with Subnet Broadcast Addresses...................................................................................................409
UDP Helper with Congured Broadcast Addresses............................................................................................409
UDP Helper with No Congured Broadcast Addresses...................................................................................... 410
Troubleshooting UDP Helper.........................................................................................................................................410
27 IPv6 Routing.............................................................................................................................................412
Protocol Overview..........................................................................................................................................................412
Extended Address Space.........................................................................................................................................413
Stateless Autoconguration.................................................................................................................................... 413
IPv6 Header Fields......................................................................................................................................................... 414
Version (4 bits)..........................................................................................................................................................414
Trac Class (8 bits)................................................................................................................................................. 414
Flow Label (20 bits)..................................................................................................................................................414
Payload Length (16 bits)..........................................................................................................................................414
Next Header (8 bits)................................................................................................................................................415
Hop Limit (8 bits)......................................................................................................................................................415
Source Address (128 bits)....................................................................................................................................... 416
Destination Address (128 bits)................................................................................................................................416
Extension Header Fields................................................................................................................................................ 416
Hop-by-Hop Options Header..................................................................................................................................416
Addressing....................................................................................................................................................................... 417
Link-local Addresses.................................................................................................................................................417
Static and Dynamic Addressing.............................................................................................................................. 417
Implementing IPv6 with the Dell Networking OS.......................................................................................................418
ICMPv6............................................................................................................................................................................419
Path MTU Discovery.....................................................................................................................................................420
IPv6 Neighbor Discovery.............................................................................................................................................. 420
Contents
15
IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 421
Conguration Task List for IPv6 RDNSS..................................................................................................................... 421
Conguring the IPv6 Recursive DNS Server........................................................................................................ 421
Displaying IPv6 RDNSS Information......................................................................................................................422
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................422
IPv6 Multicast................................................................................................................................................................ 422
Conguration Task List for IPv6...................................................................................................................................423
Adjusting Your CAM-Prole....................................................................................................................................423
Assigning an IPv6 Address to an Interface........................................................................................................... 424
Assigning a Static IPv6 Route................................................................................................................................ 424
Conguring Telnet with IPv6..................................................................................................................................425
SNMP over IPv6......................................................................................................................................................425
Showing IPv6 Information...................................................................................................................................... 425
Showing an IPv6 Interface..................................................................................................................................... 426
Showing IPv6 Routes..............................................................................................................................................426
Showing the Running-Conguration for an Interface......................................................................................... 427
Clearing IPv6 Routes...............................................................................................................................................428
Disabling ND Entry Timeout................................................................................................................................... 428
Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 428
28 iSCSI Optimization...................................................................................................................................429
Supported Modes..........................................................................................................................................................429
iSCSI Optimization Overview....................................................................................................................................... 429
Monitoring iSCSI Trac Flows.....................................................................................................................................430
Information Monitored in iSCSI Trac Flows..............................................................................................................431
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer........................................................................431
iSCSI Optimization: Operation...................................................................................................................................... 431
Conguring iSCSI Optimization....................................................................................................................................432
Displaying iSCSI Optimization Information..................................................................................................................433
29 Intermediate System to Intermediate System.......................................................................................... 435
IS-IS Protocol Overview............................................................................................................................................... 435
IS-IS Addressing.............................................................................................................................................................435
Multi-Topology IS-IS...................................................................................................................................................... 436
Transition Mode....................................................................................................................................................... 436
Interface Support.....................................................................................................................................................437
Adjacencies...............................................................................................................................................................437
Graceful Restart.............................................................................................................................................................437
Timers........................................................................................................................................................................437
Implementation Information..........................................................................................................................................438
Conguration Information.............................................................................................................................................438
Conguration Tasks for IS-IS..................................................................................................................................439
IS-IS Metric Styles.........................................................................................................................................................453
Congure Metric Values............................................................................................................................................... 453
Maximum Values in the Routing Table.................................................................................................................. 453
Change the IS-IS Metric Style in One Level Only................................................................................................453
16
Contents
Leaks from One Level to Another..........................................................................................................................455
Sample Congurations..................................................................................................................................................456
30 Isolated Networks for Aggregators.......................................................................................................... 460
Conguring and Verifying Isolated Network Settings............................................................................................... 460
31 Link Aggregation....................................................................................................................................... 461
Supported Modes...........................................................................................................................................................461
How the LACP is Implemented on an Aggregator..................................................................................................... 461
Uplink LAG................................................................................................................................................................462
Server-Facing LAGs................................................................................................................................................ 462
LACP Modes............................................................................................................................................................ 462
Auto-Congured LACP Timeout............................................................................................................................462
Link Aggregation Control Protocol (LACP)................................................................................................................ 463
Conguration Tasks for Port Channel Interfaces.................................................................................................463
Creating a Port Channel..........................................................................................................................................463
Adding a Physical Interface to a Port Channel.....................................................................................................463
Reassigning an Interface to a New Port Channel................................................................................................465
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 466
Conguring VLAN Tags for Member Interfaces.................................................................................................. 466
Deleting or Disabling a Port Channel..................................................................................................................... 467
Conguring Auto LAG................................................................................................................................................... 467
Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active.............................................469
Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode..............................................470
Preserving LAG and Port Channel Settings in Nonvolatile Storage........................................................................ 470
Enabling LACP link-fallback.......................................................................................................................................... 470
Enabling the Verication of Member Links Utilization in a LAG Bundle...................................................................471
Monitoring the Member Links of a LAG Bundle......................................................................................................... 471
Verifying LACP Operation and LAG Conguration.................................................................................................... 472
Multiple Uplink LAGs with 10G Member Ports...........................................................................................................474
32 Layer 2.....................................................................................................................................................476
Supported Modes.......................................................................................................................................................... 476
Managing the MAC Address Table.............................................................................................................................. 476
Clearing the MAC Address Entries........................................................................................................................ 476
Displaying the MAC Address Table.........................................................................................................................477
Disabling MAC Address Learning on the System.................................................................................................477
Network Interface Controller (NIC) Teaming............................................................................................................. 478
MAC Address Station Move................................................................................................................................... 478
MAC Move Optimization........................................................................................................................................ 479
33 Link Layer Discovery Protocol (LLDP)..................................................................................................... 480
Supported Modes..........................................................................................................................................................480
Protocol Data Units....................................................................................................................................................... 480
Congure LLDP..............................................................................................................................................................482
Related Conguration Tasks................................................................................................................................... 482
Contents
17
Important Points to Remember..............................................................................................................................482
CONFIGURATION versus INTERFACE Congurations............................................................................................ 482
Enabling LLDP................................................................................................................................................................483
Disabling and Undoing LLDP.................................................................................................................................. 483
Advertising TLVs............................................................................................................................................................ 483
Optional TLVs................................................................................................................................................................. 484
Management TLVs...................................................................................................................................................484
IEEE Organizationally Specic TLVs......................................................................................................................485
LLDP-MED Capabilities TLV...................................................................................................................................486
LLDP-MED Network Policies TLV..........................................................................................................................487
Extended Power via MDI TLV................................................................................................................................ 488
LLDP Operation............................................................................................................................................................. 488
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................489
Reserved Unrecognized LLDP TLVs..................................................................................................................... 489
Organizational Specic Unrecognized LLDP TLVs..............................................................................................489
Viewing Unrecognized LLDP TLVs........................................................................................................................ 490
Viewing the LLDP Conguration................................................................................................................................. 490
Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 490
Conguring LLDPDU Intervals......................................................................................................................................491
Conguring a Time to Live............................................................................................................................................492
Clearing LLDP Counters............................................................................................................................................... 492
Debugging LLDP............................................................................................................................................................493
Relevant Management Objects................................................................................................................................... 493
34 Microsoft Network Load Balancing.......................................................................................................... 499
NLB Unicast Mode Scenario........................................................................................................................................499
NLB Multicast Mode Scenario.....................................................................................................................................499
Limitations With Enabling NLB on Switches..............................................................................................................500
Benets and Working of Microsoft Clustering...........................................................................................................500
Enable and Disable VLAN Flooding ............................................................................................................................ 500
Conguring a Switch for NLB .....................................................................................................................................500
Multicast NLB Mode................................................................................................................................................501
35 Multicast Source Discovery Protocol (MSDP)......................................................................................... 502
Protocol Overview.........................................................................................................................................................502
Anycast RP.....................................................................................................................................................................504
Implementation Information......................................................................................................................................... 505
Congure the Multicast Source Discovery Protocol.................................................................................................505
Related Conguration Tasks...................................................................................................................................505
Enabling MSDP..............................................................................................................................................................509
Manage the Source-Active Cache...............................................................................................................................510
Viewing the Source-Active Cache......................................................................................................................... 510
Limiting the Source-Active Cache......................................................................................................................... 510
Clearing the Source-Active Cache..........................................................................................................................511
Enabling the Rejected Source-Active Cache.........................................................................................................511
Accept Source-Active Messages that Fail the RFP Check....................................................................................... 511
18
Contents
Specifying Source-Active Messages........................................................................................................................... 515
Limiting the Source-Active Messages from a Peer....................................................................................................516
Preventing MSDP from Caching a Local Source........................................................................................................516
Preventing MSDP from Caching a Remote Source................................................................................................... 517
Preventing MSDP from Advertising a Local Source...................................................................................................517
Logging Changes in Peership States............................................................................................................................518
Terminating a Peership...................................................................................................................................................518
Clearing Peer Statistics..................................................................................................................................................519
Debugging MSDP...........................................................................................................................................................519
MSDP with Anycast RP................................................................................................................................................520
Conguring Anycast RP................................................................................................................................................ 521
Reducing Source-Active Message Flooding.........................................................................................................522
Specifying the RP Address Used in SA Messages.............................................................................................. 522
MSDP Sample Congurations......................................................................................................................................524
36 Multiple Spanning Tree Protocol (MSTP).................................................................................................527
Protocol Overview......................................................................................................................................................... 527
Spanning Tree Variations...............................................................................................................................................528
Implementation Information..........................................................................................................................................528
Congure Multiple Spanning Tree Protocol................................................................................................................528
Related Conguration Tasks...................................................................................................................................529
Enable Multiple Spanning Tree Globally...................................................................................................................... 529
Creating Multiple Spanning Tree Instances................................................................................................................ 529
Inuencing MSTP Root Selection................................................................................................................................530
Interoperate with Non-Dell Networking OS Bridges..................................................................................................531
Changing the Region Name or Revision......................................................................................................................531
Modifying Global Parameters....................................................................................................................................... 532
Enable BPDU Filtering Globally.................................................................................................................................... 533
Modifying the Interface Parameters............................................................................................................................533
Conguring an EdgePort.............................................................................................................................................. 534
Flush MAC Addresses after a Topology Change....................................................................................................... 535
MSTP Sample Congurations......................................................................................................................................535
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................536
Debugging and Verifying MSTP Congurations........................................................................................................ 539
37 Multicast Features....................................................................................................................................541
Enabling IP Multicast..................................................................................................................................................... 541
Implementation Information.......................................................................................................................................... 541
First Packet Forwarding for Lossless Multicast.........................................................................................................542
Multicast Policies...........................................................................................................................................................542
IPv4 Multicast Policies.................................................................................................................................................. 542
Limiting the Number of Multicast Routes............................................................................................................ 543
Preventing a Host from Joining a Group.............................................................................................................. 543
Rate Limiting IGMP Join Requests........................................................................................................................546
Preventing a PIM Router from Forming an Adjacency....................................................................................... 546
Contents
19
Preventing a Source from Registering with the RP............................................................................................ 546
Preventing a PIM Router from Processing a Join............................................................................................... 549
Understanding Multicast Traceroute (mtrace).......................................................................................................... 549
Important Points to Remember............................................................................................................................. 550
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 550
Supported Error Codes..................................................................................................................................................551
mtrace Scenarios...........................................................................................................................................................552
38 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 558
Protocol Overview.........................................................................................................................................................558
Autonomous System (AS) Areas........................................................................................................................... 558
Area Types................................................................................................................................................................ 559
Networks and Neighbors........................................................................................................................................560
Router Types............................................................................................................................................................ 560
Link-State Advertisements (LSAs)........................................................................................................................562
Router Priority and Cost.........................................................................................................................................563
OSPF with the Dell Networking OS............................................................................................................................564
Graceful Restart...................................................................................................................................................... 565
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................566
Processing SNMP and Sending SNMP Traps......................................................................................................566
OSPF ACK Packing................................................................................................................................................. 566
Setting OSPF Adjacency with Cisco Routers...................................................................................................... 566
Conguration Information............................................................................................................................................. 567
Conguration Task List for OSPFv2 (OSPF for IPv4).........................................................................................567
Troubleshooting OSPFv2........................................................................................................................................ 578
OSPFv3 NSSA............................................................................................................................................................... 582
NSSA Options.......................................................................................................................................................... 582
Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 582
Enabling IPv6 Unicast Routing...............................................................................................................................583
Assigning IPv6 Addresses on an Interface............................................................................................................583
Assigning Area ID on an Interface..........................................................................................................................584
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................584
Conguring Stub Areas...........................................................................................................................................585
Conguring Passive-Interface................................................................................................................................585
Redistributing Routes..............................................................................................................................................585
Conguring a Default Route...................................................................................................................................586
Enabling OSPFv3 Graceful Restart....................................................................................................................... 586
Displaying Graceful Restart.................................................................................................................................... 587
OSPFv3 Authentication Using IPsec.....................................................................................................................588
39 Policy-based Routing (PBR).................................................................................................................... 596
Overview........................................................................................................................................................................ 596
Implementing Policy-based Routing with Dell Networking OS................................................................................ 598
Conguration Task List for Policy-based Routing......................................................................................................598
PBR Exceptions (Permit)....................................................................................................................................... 600
Apply a Redirect-list to an Interface using a Redirect-group................................................................................... 602
20
Contents
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