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FN IO Module

Dell FN IO Module Owner's manual

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Dell PowerEdge FN I/O Module
Conguration Guide
9.14.1.5
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.
© 2019 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.
2019 - 05
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.........................................................................................................................................................................40
Navigating CLI Modes................................................................................................................................................41
The do Command............................................................................................................................................................ 42
Undoing Commands........................................................................................................................................................ 42
Obtaining Help..................................................................................................................................................................43
Entering and Editing Commands....................................................................................................................................43
Command History............................................................................................................................................................ 44
Filtering show Command Outputs................................................................................................................................. 44
Multiple Users in Conguration Mode...........................................................................................................................45
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.........................................................................................................................................61
Upgrading and Downgrading the Dell Networking OS................................................................................................62
Verify Software Images Before Installation...................................................................................................................62
Deploying FN I/O Module............................................................................................................................................... 63
Ensuring the FN IOM system is in Standalone Mode............................................................................................64
Conguration Examples............................................................................................................................................ 64
Congure Interfaces and Port Channel...................................................................................................................66
Verifying the Congurations.....................................................................................................................................66
5 Management............................................................................................................................................... 68
Conguring Privilege Levels............................................................................................................................................68
Creating a Custom Privilege Level...........................................................................................................................68
Customizing a Privilege Level...................................................................................................................................69
Applying a Privilege Level to a Username................................................................................................................71
Applying a Privilege Level to a Terminal Line........................................................................................................... 71
Conguring Logging......................................................................................................................................................... 71
Audit and Security Logs............................................................................................................................................ 72
Conguring Logging Format ...................................................................................................................................73
Setting Up a Secure Connection to a Syslog Server.............................................................................................73
Display the Logging Buer and the Logging Conguration........................................................................................75
Log Messages in the Internal Buer..............................................................................................................................75
Conguration Task List for System Log Management.......................................................................................... 75
Disabling System Logging............................................................................................................................................... 76
Sending System Messages to a Syslog Server............................................................................................................ 76
Conguring a UNIX System as a Syslog Server.....................................................................................................76
Changing System Logging Settings...............................................................................................................................76
Display the Logging Buer and the Logging Conguration........................................................................................ 77
Conguring a UNIX Logging Facility Level....................................................................................................................78
4
Contents
Synchronizing Log Messages......................................................................................................................................... 79
Enabling Timestamp on Syslog Messages.................................................................................................................... 79
Enabling Secure Management Mode............................................................................................................................ 80
Enabling Secured CLI Mode........................................................................................................................................... 80
File Transfer Services....................................................................................................................................................... 81
Conguration Task List for File Transfer Services...................................................................................................81
Enabling the FTP Server............................................................................................................................................81
Conguring FTP Server Parameters........................................................................................................................ 81
Conguring FTP Client Parameters.........................................................................................................................82
Terminal Lines................................................................................................................................................................... 82
Denying and Permitting Access to a Terminal Line................................................................................................82
Conguring Login Authentication for Terminal Lines.............................................................................................83
Setting Time Out of EXEC Privilege Mode...................................................................................................................84
Using Telnet to get to Another Network Device..........................................................................................................84
Lock CONFIGURATION Mode.......................................................................................................................................85
Viewing the Conguration Lock Status...................................................................................................................85
Limit Concurrent Login Sessions....................................................................................................................................86
Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 86
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.........................................................................................................................88
Display Login Statistics..............................................................................................................................................88
Recovering from a Forgotten Password....................................................................................................................... 90
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 Remarks.................................................................................................................................................................. 126
Conguring a Remark...............................................................................................................................................127
Deleting a Remark.....................................................................................................................................................127
ACL Resequencing......................................................................................................................................................... 128
Resequencing an ACL or Prex List.............................................................................................................................128
Route Maps.....................................................................................................................................................................130
Implementation Information.................................................................................................................................... 130
6
Contents
Important Points to Remember.................................................................................................................................... 130
Conguration Task List for Route Maps...................................................................................................................... 130
Creating a Route Map....................................................................................................................................................130
Congure Route Map Filters......................................................................................................................................... 132
Conguring Match Routes............................................................................................................................................ 132
Conguring Set Conditions........................................................................................................................................... 133
Congure a Route Map for Route Redistribution.......................................................................................................134
Congure a Route Map for Route Tagging..................................................................................................................134
Continue Clause..............................................................................................................................................................135
Logging of ACL Processes............................................................................................................................................ 135
Guidelines for Conguring ACL Logging......................................................................................................................136
Conguring ACL Logging...............................................................................................................................................136
Flow-Based Monitoring Support for ACLs.................................................................................................................. 137
Behavior of Flow-Based Monitoring.......................................................................................................................137
Enabling Flow-Based Monitoring..................................................................................................................................138
9 Bidirectional Forwarding Detection (BFD).................................................................................................. 140
How BFD Works............................................................................................................................................................. 140
BFD Packet Format.................................................................................................................................................. 141
BFD Sessions............................................................................................................................................................ 142
BFD Three-Way Handshake.................................................................................................................................... 143
Session State Changes............................................................................................................................................145
Important Points to Remember.................................................................................................................................... 145
Congure BFD................................................................................................................................................................ 145
Congure BFD for Physical Ports...........................................................................................................................146
Enabling BFD Globally.............................................................................................................................................. 146
Changing Physical Port Session Parameters.........................................................................................................147
Disabling and Re-Enabling BFD...............................................................................................................................147
Congure BFD for Static Routes..................................................................................................................................148
Related Conguration Tasks....................................................................................................................................148
Establishing Sessions for Static Routes.................................................................................................................148
Establishing Static Route Sessions on Specic Neighbors................................................................................. 149
Changing Static Route Session Parameters......................................................................................................... 150
Disabling BFD for Static Routes............................................................................................................................. 150
Congure BFD for OSPF...............................................................................................................................................150
Related Conguration Tasks.....................................................................................................................................151
Establishing Sessions with OSPF Neighbors.........................................................................................................151
Establishing Sessions with OSPF Neighbors for nondefault VRFs.................................................................... 152
Changing OSPF Session Parameters.....................................................................................................................153
Disabling BFD for OSPF.......................................................................................................................................... 153
Congure BFD for OSPFv3...........................................................................................................................................153
Related Conguration Tasks....................................................................................................................................154
Establishing Sessions with OSPFv3 Neighbors....................................................................................................154
Establishing BFD Sessions with OSPFv3 Neighbors for nondefault VRFs....................................................... 154
Changing OSPFv3 Session Parameters................................................................................................................ 155
Disabling BFD for OSPFv3...................................................................................................................................... 156
Contents
7
Congure BFD for BGP.................................................................................................................................................156
Prerequisites..............................................................................................................................................................156
Establishing Sessions with BGP Neighbors.......................................................................................................... 156
Disabling BFD for BGP..............................................................................................................................................161
Use BFD in a BGP Peer Group................................................................................................................................ 161
Displaying BFD for BGP Information.......................................................................................................................161
Congure BFD for VRRP...............................................................................................................................................165
Related Conguration Tasks....................................................................................................................................165
Establishing Sessions with All VRRP Neighbors...................................................................................................166
Establishing VRRP Sessions on VRRP Neighbors................................................................................................166
Changing VRRP Session Parameters.....................................................................................................................167
Disabling BFD for VRRP...........................................................................................................................................167
Congure BFD for VLANs.............................................................................................................................................168
Related Conguration Task..................................................................................................................................... 168
Establish Sessions with VLAN Neighbors............................................................................................................. 169
Changing VLAN Session Parameters.....................................................................................................................169
Disabling BFD for VLANs.........................................................................................................................................170
Congure BFD for Port-Channels................................................................................................................................ 170
Related Conguration Tasks....................................................................................................................................170
Establish Sessions on Port-Channels......................................................................................................................171
Changing Physical Port Session Parameters......................................................................................................... 171
Disabling BFD for Port-Channels............................................................................................................................172
Conguring Protocol Liveness...................................................................................................................................... 172
10 Border Gateway Protocol IPv4 (BGPv4)................................................................................................... 173
Autonomous Systems (AS)........................................................................................................................................... 173
Sessions and Peers.........................................................................................................................................................175
Establish a Session................................................................................................................................................... 175
Route Reectors.............................................................................................................................................................176
Communities..............................................................................................................................................................177
BGP Attributes................................................................................................................................................................177
Best Path Selection Criteria.................................................................................................................................... 177
Weight........................................................................................................................................................................179
Local Preference.......................................................................................................................................................179
Multi-Exit Discriminators (MEDs)...........................................................................................................................180
Origin...........................................................................................................................................................................181
AS Path......................................................................................................................................................................182
Next Hop................................................................................................................................................................... 182
Multiprotocol BGP..........................................................................................................................................................182
Implement BGP with the Dell Networking OS............................................................................................................183
Additional Path (Add-Path) Support......................................................................................................................183
Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 183
Ignore Router-ID for Some Best-Path Calculations............................................................................................. 184
Four-Byte AS Numbers............................................................................................................................................184
AS4 Number Representation.................................................................................................................................. 184
AS Number Migration.............................................................................................................................................. 186
8
Contents
BGP4 Management Information Base (MIB)........................................................................................................ 187
Important Points to Remember...............................................................................................................................187
Conguration Information..............................................................................................................................................188
BGP Conguration......................................................................................................................................................... 188
Enabling BGP............................................................................................................................................................ 189
Enabling MBGP Congurations............................................................................................................................. 220
BGP Regular Expression Optimization........................................................................................................................222
Debugging BGP..............................................................................................................................................................222
Storing Last and Bad PDUs....................................................................................................................................223
PDU Counters.......................................................................................................................................................... 224
Sample Congurations.................................................................................................................................................. 224
11 Conguration Cloning............................................................................................................................... 233
Cloning Conguration Output Status..........................................................................................................................233
12 Content Addressable Memory (CAM).......................................................................................................236
CAM Allocation...............................................................................................................................................................236
Test CAM Usage............................................................................................................................................................ 237
View CAM-ACL Settings...............................................................................................................................................237
Conguring CAM Threshold and Silence Period........................................................................................................238
Setting CAM Threshold and Silence Period......................................................................................................... 238
CAM Optimization......................................................................................................................................................... 239
13 Control Plane Policing (CoPP)..................................................................................................................240
Congure Control Plane Policing.................................................................................................................................. 241
Conguring CoPP for Protocols.............................................................................................................................242
Conguring CoPP for CPU Queues...................................................................................................................... 243
Show Commands.....................................................................................................................................................244
14 Data Center Bridging (DCB).....................................................................................................................246
Supported Modes..........................................................................................................................................................246
Ethernet Enhancements in Data Center Bridging..................................................................................................... 246
Priority-Based Flow Control..........................................................................................................................................247
Enhanced Transmission Selection................................................................................................................................248
Data Center Bridging Exchange Protocol (DCBx).....................................................................................................250
Creating a DCB Map..................................................................................................................................................... 250
Important Points to Remember............................................................................................................................. 250
Applying a DCB Map on Server-Facing Ethernet Ports...................................................................................... 251
Data Center Bridging: Default Conguration.............................................................................................................. 251
Data Center Bridging in a Trac Flow.........................................................................................................................252
Data Center Bridging: Auto-DCB-Enable Mode........................................................................................................ 252
Conguring Priority-Based Flow Control.................................................................................................................... 254
How Priority-Based Flow Control is Implemented...............................................................................................256
Conguring Lossless Queues................................................................................................................................. 256
Conguring the PFC Buer in a Switch Stack.....................................................................................................257
Conguring Enhanced Transmission Selection.......................................................................................................... 258
Contents
9
How Enhanced Transmission Selection is Implemented..................................................................................... 258
ETS Operation with DCBx......................................................................................................................................259
Hierarchical Scheduling in ETS Output Policies......................................................................................................... 259
DCBx Operation.............................................................................................................................................................260
DCBx Operation.......................................................................................................................................................260
DCBx Port Roles......................................................................................................................................................260
DCB Conguration Exchange................................................................................................................................. 261
Conguration Source Election................................................................................................................................262
Propagation of DCB Information............................................................................................................................262
Auto-Detection of the DCBx Version.................................................................................................................... 263
DCBx Example..........................................................................................................................................................263
DCBx Prerequisites and Restrictions.....................................................................................................................264
DCBx Error Messages.............................................................................................................................................265
Debugging DCBx on an Interface.......................................................................................................................... 265
Verifying the DCB Conguration................................................................................................................................. 265
QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 274
Troubleshooting PFC, ETS, and DCBx Operation...................................................................................................... 274
15 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 277
Supported Modes.......................................................................................................................................................... 277
Assigning an IP Address using DHCP.......................................................................................................................... 277
Debugging DHCP Client Operation............................................................................................................................. 279
DHCP Client.................................................................................................................................................................... 281
How DHCP Client is Implemented................................................................................................................................281
DHCP Client on a Management Interface..................................................................................................................282
DHCP Client on a VLAN............................................................................................................................................... 282
DHCP Packet Format and Options..............................................................................................................................282
Option 82........................................................................................................................................................................284
DHCPv6 relay agent options........................................................................................................................................284
Releasing and Renewing DHCP-based IP Addresses................................................................................................285
Viewing DHCP Statistics and Lease Information.......................................................................................................285
Conguring DHCP relay source interface...................................................................................................................286
Global DHCP relay source IPv4 or IPv6 conguration ....................................................................................... 286
Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................287
DHCP Snooping.............................................................................................................................................................288
DHCP Snooping for a Multi-Tenant Host..............................................................................................................288
DHCP Snooping in a VLT Setup.............................................................................................................................289
Enabling DHCP Snooping....................................................................................................................................... 289
Enabling IPv6 DHCP Snooping.............................................................................................................................. 289
Adding a Static Entry in the Binding Table............................................................................................................289
Adding a Static IPV6 DHCP Snooping Binding Table..........................................................................................290
Clearing the Binding Table...................................................................................................................................... 290
Clearing the DHCP IPv6 Binding Table................................................................................................................. 290
Displaying the Contents of the Binding Table...................................................................................................... 290
Displaying the Contents of the DHCPv6 Binding Table.......................................................................................291
Debugging the IPv6 DHCP..................................................................................................................................... 291
10
Contents
IPv6 DHCP Snooping MAC-Address Verication................................................................................................292
16 Equal Cost Multi-Path (ECMP)................................................................................................................ 293
ECMP for Flow-Based Anity..................................................................................................................................... 293
Enabling Deterministic ECMP Next Hop.............................................................................................................. 293
Link Bundle Monitoring................................................................................................................................................. 293
Managing ECMP Group Paths.....................................................................................................................................294
17 FC FPORT................................................................................................................................................295
FC FPORT...................................................................................................................................................................... 296
Conguring Switch Mode to FCF Port Mode............................................................................................................296
Name Server...................................................................................................................................................................297
FCoE Maps.....................................................................................................................................................................298
Creating an FCoE Map..................................................................................................................................................298
Zoning............................................................................................................................................................................. 299
Creating Zone and Adding Members.......................................................................................................................... 300
Creating Zone Alias and Adding Members................................................................................................................. 300
Creating Zonesets......................................................................................................................................................... 300
Activating a Zoneset...................................................................................................................................................... 301
Displaying the Fabric Parameters................................................................................................................................. 301
18 FCoE Transit.............................................................................................................................................304
Supported Modes..........................................................................................................................................................304
Fibre Channel over Ethernet........................................................................................................................................ 304
Ensure Robustness in a Converged Ethernet Network............................................................................................304
FIP Snooping on Ethernet Bridges..............................................................................................................................306
FIP Snooping in a Switch Stack................................................................................................................................... 307
Using FIP Snooping....................................................................................................................................................... 308
Important Points to Remember............................................................................................................................. 308
Enabling the FCoE Transit Feature........................................................................................................................308
Enable FIP Snooping on VLANs.............................................................................................................................308
Congure the FC-MAP Value................................................................................................................................ 309
Congure a Port for a Bridge-to-Bridge Link.......................................................................................................309
Congure a Port for a Bridge-to-FCF Link...........................................................................................................309
Impact on Other Software Features..................................................................................................................... 309
FIP Snooping Prerequisites..................................................................................................................................... 310
FIP Snooping Restrictions.......................................................................................................................................310
Conguring FIP Snooping........................................................................................................................................310
Displaying FIP Snooping Information............................................................................................................................ 311
FCoE Transit Conguration Example........................................................................................................................... 316
19 FIPS Cryptography................................................................................................................................... 318
Preparing the System.................................................................................................................................................... 318
Enabling FIPS Mode.......................................................................................................................................................318
Generating Host-Keys....................................................................................................................................................319
Monitoring FIPS Mode Status...................................................................................................................................... 319
Contents
11
Disabling FIPS Mode..................................................................................................................................................... 320
20 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 321
Protocol Overview..........................................................................................................................................................321
Ring Status............................................................................................................................................................... 322
Multiple FRRP Rings................................................................................................................................................323
Important FRRP Points........................................................................................................................................... 324
Important FRRP Concepts..................................................................................................................................... 325
Implementing FRRP.......................................................................................................................................................326
FRRP Conguration.......................................................................................................................................................326
Creating the FRRP Group.......................................................................................................................................326
Conguring the Control VLAN...............................................................................................................................326
Conguring and Adding the Member VLANs.......................................................................................................328
Setting the FRRP Timers........................................................................................................................................329
Clearing the FRRP Counters..................................................................................................................................329
Viewing the FRRP Conguration...........................................................................................................................329
Viewing the FRRP Information...............................................................................................................................329
Troubleshooting FRRP.................................................................................................................................................. 330
Conguration Checks..............................................................................................................................................330
Sample Conguration and Topology............................................................................................................................330
FRRP Support on VLT...................................................................................................................................................332
Example Scenario.................................................................................................................................................... 333
Important Points to Remember..............................................................................................................................334
21 GARP VLAN Registration Protocol (GVRP)..............................................................................................335
Important Points to Remember................................................................................................................................... 335
Congure GVRP............................................................................................................................................................ 335
Related Conguration Tasks...................................................................................................................................336
Enabling GVRP Globally................................................................................................................................................ 336
Enabling GVRP on a Layer 2 Interface........................................................................................................................ 337
Congure GVRP Registration.......................................................................................................................................337
Congure a GARP Timer.............................................................................................................................................. 338
22 FIP Snooping........................................................................................................................................... 339
Supported Modes..........................................................................................................................................................339
Fibre Channel over Ethernet........................................................................................................................................ 339
Ensuring Robustness in a Converged Ethernet Network.........................................................................................339
FIP Snooping on Ethernet Bridges...............................................................................................................................341
How FIP Snooping is Implemented..............................................................................................................................342
FIP Snooping on VLANs......................................................................................................................................... 342
FC-MAP Value......................................................................................................................................................... 343
Bridge-to-FCF Links................................................................................................................................................ 343
Impact on other Software Features...................................................................................................................... 343
FIP Snooping Prerequisites.....................................................................................................................................343
FIP Snooping Restrictions...................................................................................................................................... 344
Conguring FIP Snooping.............................................................................................................................................344
12
Contents
Displaying FIP Snooping Information...........................................................................................................................345
FIP Snooping Example.................................................................................................................................................. 350
Debugging FIP Snooping.............................................................................................................................................. 350
23 Internet Group Management Protocol (IGMP).........................................................................................352
IGMP Overview..............................................................................................................................................................352
IGMP Version 2..............................................................................................................................................................352
Joining a Multicast Group.......................................................................................................................................353
Leaving a Multicast Group......................................................................................................................................353
IGMP Version 3..............................................................................................................................................................353
Joining and Filtering Groups and Sources............................................................................................................ 354
Leaving and Staying in Groups...............................................................................................................................355
IGMP Snooping..............................................................................................................................................................356
How IGMP Snooping is Implemented on an Aggregator.......................................................................................... 356
Disabling Multicast Flooding.........................................................................................................................................356
Displaying IGMP Information........................................................................................................................................356
24 Interfaces................................................................................................................................................ 359
Basic Interface Conguration.......................................................................................................................................359
Advanced Interface Conguration...............................................................................................................................359
Interface Types...............................................................................................................................................................360
View Basic Interface Information.................................................................................................................................360
Conguring the Default Interface................................................................................................................................ 362
Enabling a Physical Interface........................................................................................................................................363
Physical Interfaces.........................................................................................................................................................363
Conguration Task List for Physical Interfaces.................................................................................................... 363
Overview of Layer Modes...................................................................................................................................... 364
Conguring Layer 2 (Data Link) Mode..................................................................................................................364
Conguring Layer 2 (Interface) Mode.................................................................................................................. 364
Conguring Layer 3 (Network) Mode...................................................................................................................365
Conguring Layer 3 (Interface) Mode.................................................................................................................. 365
Automatic recovery of an Err-disabled interface.......................................................................................................366
Conguring an automatic recovery for an Err-disabled interface......................................................................367
Management Interfaces................................................................................................................................................367
Conguring Management Interfaces on the Switch........................................................................................... 368
VLAN Interfaces............................................................................................................................................................ 369
Loopback Interfaces...................................................................................................................................................... 370
Null Interfaces.................................................................................................................................................................370
VLAN Membership........................................................................................................................................................ 370
Default VLAN ........................................................................................................................................................... 371
Port-Based VLANs................................................................................................................................................... 371
VLANs and Port Tagging......................................................................................................................................... 371
Conguring VLAN Membership............................................................................................................................. 372
Displaying VLAN Membership................................................................................................................................ 372
Adding an Interface to a Tagged VLAN.................................................................................................................373
Adding an Interface to an Untagged VLAN.......................................................................................................... 373
Contents
13
VLAN Conguration on Physical Ports and Port-Channels................................................................................ 374
Port Channel Interfaces................................................................................................................................................ 375
Port Channel Denition and Standards................................................................................................................. 375
Port Channel Benets............................................................................................................................................. 376
Port Channel Implementation.................................................................................................................................376
100/1000/10000 Mbps Interfaces in Port Channels...........................................................................................376
Conguration Tasks for Port Channel Interfaces................................................................................................. 377
Creating a Port Channel..........................................................................................................................................377
Adding a Physical Interface to a Port Channel..................................................................................................... 377
Reassigning an Interface to a New Port Channel................................................................................................ 379
Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 380
Adding or Removing a Port Channel from a VLAN............................................................................................. 380
Assigning an IP Address to a Port Channel........................................................................................................... 381
Deleting or Disabling a Port Channel......................................................................................................................381
Load Balancing through Port Channels....................................................................................................................... 381
Changing the Hash Algorithm.......................................................................................................................................381
Server Ports................................................................................................................................................................... 382
Default Conguration without Start-up Cong................................................................................................... 382
Bulk Conguration......................................................................................................................................................... 383
Interface Range........................................................................................................................................................383
Bulk Conguration Examples..................................................................................................................................384
Dening Interface Range Macros................................................................................................................................ 385
Dene the Interface Range.................................................................................................................................... 385
Choosing an Interface-Range Macro.................................................................................................................... 385
Monitoring and Maintaining Interfaces....................................................................................................................... 386
Maintenance Using TDR......................................................................................................................................... 387
Splitting QSFP Ports to SFP+ Ports............................................................................................................................387
Merging SFP+ Ports to QSFP 40G Ports.............................................................................................................388
Congure the MTU Size on an Interface..............................................................................................................388
Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................389
Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................389
Important Points to Remember............................................................................................................................. 390
Example Scenarios.................................................................................................................................................. 390
Layer 2 Flow Control Using Ethernet Pause Frames................................................................................................ 390
Enabling Pause Frames............................................................................................................................................391
Congure MTU Size on an Interface........................................................................................................................... 391
Port-Pipes.......................................................................................................................................................................392
Auto-Negotiation on Ethernet Interfaces...................................................................................................................392
Setting the Speed and Duplex Mode of Ethernet Interfaces.............................................................................392
View Advanced Interface Information.........................................................................................................................394
Conguring the Interface Sampling Size.............................................................................................................. 395
Conguring the Trac Sampling Size Globally.................................................................................................... 396
Dynamic Counters....................................................................................................................................................397
Enhanced Control of Remote Fault Indication Processing....................................................................................... 398
25 Internet Protocol Security (IPSec).......................................................................................................... 400
14
Contents
Conguring IPSec .........................................................................................................................................................400
26 IPv4 Routing............................................................................................................................................402
IP Addresses...................................................................................................................................................................402
Implementation Information....................................................................................................................................403
Conguration Tasks for IP Addresses....................................................................................................................403
IPv4 Path MTU Discovery Overview.......................................................................................................................... 405
Packet handling during MTU mismatch ...............................................................................................................406
Using the Congured Source IP Address in ICMP Messages..................................................................................406
Conguring the ICMP Source Interface............................................................................................................... 406
Conguring the Duration to Establish a TCP Connection........................................................................................ 407
Enabling Directed Broadcast........................................................................................................................................ 407
Resolution of Host Names............................................................................................................................................407
Enabling Dynamic Resolution of Host Names......................................................................................................408
Specifying the Local System Domain and a List of Domains............................................................................. 408
Conguring DNS with Traceroute......................................................................................................................... 409
ARP................................................................................................................................................................................. 409
Conguration Tasks for ARP...................................................................................................................................410
ARP Learning via Gratuitous ARP................................................................................................................................. 411
ARP Learning via ARP Request.....................................................................................................................................411
Conguring ARP Retries................................................................................................................................................412
ICMP................................................................................................................................................................................ 413
Conguration Tasks for ICMP.................................................................................................................................413
ICMP Redirects...............................................................................................................................................................413
UDP Helper..................................................................................................................................................................... 414
Congure UDP Helper............................................................................................................................................. 414
Important Points to Remember.............................................................................................................................. 415
Enabling UDP Helper................................................................................................................................................415
Congurations Using UDP Helper................................................................................................................................ 415
UDP Helper with Broadcast-All Addresses........................................................................................................... 416
UDP Helper with Subnet Broadcast Addresses................................................................................................... 416
UDP Helper with Congured Broadcast Addresses.............................................................................................417
UDP Helper with No Congured Broadcast Addresses.......................................................................................417
Troubleshooting UDP Helper.........................................................................................................................................418
27 IPv6 Routing.............................................................................................................................................419
Protocol Overview..........................................................................................................................................................419
Extended Address Space........................................................................................................................................420
Stateless Autoconguration................................................................................................................................... 420
IPv6 Header Fields......................................................................................................................................................... 421
Version (4 bits)..........................................................................................................................................................421
Trac Class (8 bits)................................................................................................................................................. 421
Flow Label (20 bits)..................................................................................................................................................421
Payload Length (16 bits)..........................................................................................................................................421
Next Header (8 bits)............................................................................................................................................... 422
Hop Limit (8 bits).....................................................................................................................................................422
Contents
15
Source Address (128 bits).......................................................................................................................................423
Destination Address (128 bits)............................................................................................................................... 423
Extension Header Fields................................................................................................................................................423
Hop-by-Hop Options Header................................................................................................................................. 423
Addressing...................................................................................................................................................................... 424
Link-local Addresses................................................................................................................................................ 424
Static and Dynamic Addressing..............................................................................................................................424
Implementing IPv6 with the Dell Networking OS...................................................................................................... 425
ICMPv6...........................................................................................................................................................................426
Path MTU Discovery..................................................................................................................................................... 427
IPv6 Neighbor Discovery.............................................................................................................................................. 427
IPv6 Neighbor Discovery of MTU Packets...........................................................................................................428
Conguration Task List for IPv6 RDNSS.................................................................................................................... 428
Conguring the IPv6 Recursive DNS Server....................................................................................................... 428
Displaying IPv6 RDNSS Information......................................................................................................................429
Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................429
IPv6 Multicast................................................................................................................................................................ 429
Conguration Task List for IPv6...................................................................................................................................430
Adjusting Your CAM-Prole....................................................................................................................................430
Assigning an IPv6 Address to an Interface............................................................................................................431
Assigning a Static IPv6 Route.................................................................................................................................431
Conguring Telnet with IPv6..................................................................................................................................432
SNMP over IPv6......................................................................................................................................................432
Showing IPv6 Information...................................................................................................................................... 432
Showing an IPv6 Interface..................................................................................................................................... 433
Showing IPv6 Routes..............................................................................................................................................433
Showing the Running-Conguration for an Interface......................................................................................... 434
Clearing IPv6 Routes...............................................................................................................................................435
Disabling ND Entry Timeout................................................................................................................................... 435
Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................435
28 iSCSI Optimization...................................................................................................................................436
Supported Modes..........................................................................................................................................................436
iSCSI Optimization Overview....................................................................................................................................... 436
Monitoring iSCSI Trac Flows..................................................................................................................................... 437
Information Monitored in iSCSI Trac Flows.............................................................................................................438
Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................................438
iSCSI Optimization: Operation......................................................................................................................................438
Conguring iSCSI Optimization....................................................................................................................................439
Displaying iSCSI Optimization Information................................................................................................................. 440
29 Intermediate System to Intermediate System.......................................................................................... 442
IS-IS Protocol Overview................................................................................................................................................442
IS-IS Addressing.............................................................................................................................................................442
Multi-Topology IS-IS...................................................................................................................................................... 443
Transition Mode........................................................................................................................................................443
16
Contents
Interface Support.....................................................................................................................................................444
Adjacencies...............................................................................................................................................................444
Graceful Restart.............................................................................................................................................................444
Timers........................................................................................................................................................................444
Implementation Information..........................................................................................................................................445
Conguration Information.............................................................................................................................................445
Conguration Tasks for IS-IS..................................................................................................................................446
IS-IS Metric Styles.........................................................................................................................................................460
Congure Metric Values............................................................................................................................................... 460
Maximum Values in the Routing Table.................................................................................................................. 460
Change the IS-IS Metric Style in One Level Only................................................................................................460
Leaks from One Level to Another..........................................................................................................................462
Sample Congurations.................................................................................................................................................. 463
30 Isolated Networks for Aggregators...........................................................................................................467
Conguring and Verifying Isolated Network Settings............................................................................................... 467
31 Link Aggregation...................................................................................................................................... 468
Supported Modes..........................................................................................................................................................468
How the LACP is Implemented on an Aggregator.....................................................................................................468
Uplink LAG................................................................................................................................................................469
Server-Facing LAGs................................................................................................................................................ 469
LACP Modes............................................................................................................................................................ 469
Auto-Congured LACP Timeout............................................................................................................................469
Link Aggregation Control Protocol (LACP)................................................................................................................ 470
Conguration Tasks for Port Channel Interfaces.................................................................................................470
Creating a Port Channel..........................................................................................................................................470
Adding a Physical Interface to a Port Channel.....................................................................................................470
Reassigning an Interface to a New Port Channel................................................................................................ 472
Conguring the Minimum Oper Up Links in a Port Channel...............................................................................473
Conguring VLAN Tags for Member Interfaces...................................................................................................473
Deleting or Disabling a Port Channel..................................................................................................................... 474
Conguring Auto LAG....................................................................................................................................................474
Conguring the Minimum Number of Links to be Up for Uplink LAGs to be Active.............................................476
Optimizing Trac Disruption Over LAG Interfaces On IOA Switches in VLT Mode.............................................. 477
Preserving LAG and Port Channel Settings in Nonvolatile Storage........................................................................ 477
Enabling LACP link-fallback...........................................................................................................................................477
Enabling the Verication of Member Links Utilization in a LAG Bundle.................................................................. 478
Monitoring the Member Links of a LAG Bundle.........................................................................................................478
Verifying LACP Operation and LAG Conguration....................................................................................................479
Multiple Uplink LAGs with 10G Member Ports........................................................................................................... 481
32 Layer 2.....................................................................................................................................................483
Supported Modes..........................................................................................................................................................483
Managing the MAC Address Table.............................................................................................................................. 483
Clearing the MAC Address Entries........................................................................................................................483
Contents
17
Displaying the MAC Address Table........................................................................................................................ 484
Disabling MAC Address Learning on the System.................................................................................................484
Enabling port security............................................................................................................................................. 484
Network Interface Controller (NIC) Teaming.............................................................................................................485
MAC Address Station Move...................................................................................................................................485
MAC Move Optimization........................................................................................................................................ 486
33 Link Layer Discovery Protocol (LLDP)......................................................................................................487
Supported Modes.......................................................................................................................................................... 487
Protocol Data Units........................................................................................................................................................487
Congure LLDP..............................................................................................................................................................489
Related Conguration Tasks...................................................................................................................................489
Important Points to Remember............................................................................................................................. 489
CONFIGURATION versus INTERFACE Congurations............................................................................................ 489
Enabling LLDP................................................................................................................................................................490
Disabling and Undoing LLDP..................................................................................................................................490
Advertising TLVs............................................................................................................................................................490
Optional TLVs..................................................................................................................................................................491
Management TLVs................................................................................................................................................... 491
IEEE Organizationally Specic TLVs......................................................................................................................492
LLDP-MED Capabilities TLV...................................................................................................................................493
LLDP-MED Network Policies TLV......................................................................................................................... 494
Extended Power via MDI TLV................................................................................................................................495
LLDP Operation............................................................................................................................................................. 495
Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................496
Reserved Unrecognized LLDP TLVs..................................................................................................................... 496
Organizational Specic Unrecognized LLDP TLVs..............................................................................................496
Viewing Unrecognized LLDP TLVs........................................................................................................................ 497
Viewing the LLDP Conguration..................................................................................................................................497
Viewing Information Advertised by Adjacent LLDP Agents......................................................................................497
Conguring LLDPDU Intervals..................................................................................................................................... 498
Conguring a Time to Live............................................................................................................................................499
Clearing LLDP Counters............................................................................................................................................... 499
Debugging LLDP............................................................................................................................................................500
Relevant Management Objects................................................................................................................................... 500
34 Microsoft Network Load Balancing..........................................................................................................506
NLB Unicast Mode Scenario........................................................................................................................................506
NLB Multicast Mode Scenario.....................................................................................................................................506
Limitations With Enabling NLB on Switches.............................................................................................................. 507
Benets and Working of Microsoft Clustering...........................................................................................................507
Enable and Disable VLAN Flooding .............................................................................................................................507
Conguring a Switch for NLB ..................................................................................................................................... 507
Multicast NLB Mode...............................................................................................................................................508
35 Multicast Source Discovery Protocol (MSDP).........................................................................................509
18
Contents
Protocol Overview.........................................................................................................................................................509
Anycast RP.......................................................................................................................................................................511
Implementation Information.......................................................................................................................................... 512
Congure the Multicast Source Discovery Protocol..................................................................................................512
Related Conguration Tasks....................................................................................................................................512
Enabling MSDP...............................................................................................................................................................516
Manage the Source-Active Cache............................................................................................................................... 517
Viewing the Source-Active Cache..........................................................................................................................517
Limiting the Source-Active Cache..........................................................................................................................517
Clearing the Source-Active Cache.........................................................................................................................518
Enabling the Rejected Source-Active Cache........................................................................................................518
Accept Source-Active Messages that Fail the RFP Check...................................................................................... 518
Specifying Source-Active Messages...........................................................................................................................522
Limiting the Source-Active Messages from a Peer...................................................................................................523
Preventing MSDP from Caching a Local Source.......................................................................................................523
Preventing MSDP from Caching a Remote Source.................................................................................................. 524
Preventing MSDP from Advertising a Local Source..................................................................................................524
Logging Changes in Peership States...........................................................................................................................525
Terminating a Peership..................................................................................................................................................525
Clearing Peer Statistics.................................................................................................................................................526
Debugging MSDP.......................................................................................................................................................... 526
MSDP with Anycast RP................................................................................................................................................527
Conguring Anycast RP................................................................................................................................................528
Reducing Source-Active Message Flooding.........................................................................................................529
Specifying the RP Address Used in SA Messages.............................................................................................. 529
MSDP Sample Congurations...................................................................................................................................... 531
36 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 534
Protocol Overview.........................................................................................................................................................534
Spanning Tree Variations.............................................................................................................................................. 535
Implementation Information......................................................................................................................................... 535
Congure Multiple Spanning Tree Protocol................................................................................................................535
Related Conguration Tasks...................................................................................................................................535
Enable Multiple Spanning Tree Globally...................................................................................................................... 536
Creating Multiple Spanning Tree Instances................................................................................................................ 536
Inuencing MSTP Root Selection................................................................................................................................537
Interoperate with Non-Dell Networking OS Bridges................................................................................................. 538
Changing the Region Name or Revision..................................................................................................................... 538
Modifying Global Parameters....................................................................................................................................... 538
Enable BPDU Filtering Globally.................................................................................................................................... 540
Modifying the Interface Parameters........................................................................................................................... 540
Conguring an EdgePort............................................................................................................................................... 541
Flush MAC Addresses after a Topology Change....................................................................................................... 542
MSTP Sample Congurations......................................................................................................................................542
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................543
Contents
19
Debugging and Verifying MSTP Congurations........................................................................................................ 545
37 Multicast Features................................................................................................................................... 548
Enabling IP Multicast.....................................................................................................................................................548
Implementation Information..........................................................................................................................................548
First Packet Forwarding for Lossless Multicast.........................................................................................................549
Multicast Policies...........................................................................................................................................................549
IPv4 Multicast Policies..................................................................................................................................................549
Limiting the Number of Multicast Routes............................................................................................................ 549
Preventing a Host from Joining a Group..............................................................................................................550
Rate Limiting IGMP Join Requests........................................................................................................................552
Preventing a PIM Router from Forming an Adjacency....................................................................................... 553
Preventing a Source from Registering with the RP............................................................................................ 553
Preventing a PIM Router from Processing a Join............................................................................................... 556
Understanding Multicast Traceroute (mtrace).......................................................................................................... 556
Important Points to Remember..............................................................................................................................557
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 557
Supported Error Codes.................................................................................................................................................558
mtrace Scenarios...........................................................................................................................................................559
38 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 565
Protocol Overview.........................................................................................................................................................565
Autonomous System (AS) Areas........................................................................................................................... 565
Area Types................................................................................................................................................................ 566
Networks and Neighbors........................................................................................................................................ 567
Router Types............................................................................................................................................................ 567
Link-State Advertisements (LSAs)........................................................................................................................569
Router Priority and Cost......................................................................................................................................... 570
OSPF with the Dell Networking OS.............................................................................................................................571
Graceful Restart.......................................................................................................................................................572
Fast Convergence (OSPFv2, IPv4 Only).............................................................................................................. 573
Processing SNMP and Sending SNMP Traps......................................................................................................573
OSPF ACK Packing..................................................................................................................................................573
Setting OSPF Adjacency with Cisco Routers.......................................................................................................573
Conguration Information............................................................................................................................................. 574
Conguration Task List for OSPFv2 (OSPF for IPv4).........................................................................................574
Troubleshooting OSPFv2........................................................................................................................................585
OSPFv3 NSSA............................................................................................................................................................... 589
NSSA Options..........................................................................................................................................................589
Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 589
Enabling IPv6 Unicast Routing...............................................................................................................................590
Assigning IPv6 Addresses on an Interface........................................................................................................... 590
Assigning Area ID on an Interface...........................................................................................................................591
Assigning OSPFv3 Process ID and Router ID Globally.........................................................................................591
Conguring Stub Areas...........................................................................................................................................592
Conguring Passive-Interface................................................................................................................................592
20
Contents
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