Dell Networking Configuration Guide for the C9010 SeriesVersion 9.11(0.0)

Notes, Cautions, and Warnings

NOTE: A NOTE indicates important information that helps you make better use of your computer.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

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2016 - 12

Rev. A00

Contents

1 About this Guide...........................................................................................................................................35Audience........................................................................................................................................................................... 35Conventions......................................................................................................................................................................35Related Documents......................................................................................................................................................... 35

2 Configuration Fundamentals........................................................................................................................36Accessing the Command Line........................................................................................................................................36CLI Modes.........................................................................................................................................................................36

Navigating CLI Modes...............................................................................................................................................38The do Command............................................................................................................................................................. 41Undoing Commands........................................................................................................................................................ 42Obtaining Help..................................................................................................................................................................42Entering and Editing Commands................................................................................................................................... 42Command History............................................................................................................................................................ 43Filtering show Command Outputs.................................................................................................................................44Multiple Users in Configuration Mode...........................................................................................................................45

3 Getting Started........................................................................................................................................... 46Console Access................................................................................................................................................................46

Serial Console............................................................................................................................................................. 47Mounting an NFS File System........................................................................................................................................48

Important Points to Remember............................................................................................................................... 48Default Configuration...................................................................................................................................................... 49Configuring a Host Name............................................................................................................................................... 49Accessing the System Remotely................................................................................................................................... 50

Accessing the System Remotely............................................................................................................................. 50Configure the Management Port IP Address.........................................................................................................50Configure a Management Route............................................................................................................................. 50Configuring a Username and Password.................................................................................................................. 51

Configuring the Enable Password.................................................................................................................................. 51Manage Configuration Files.............................................................................................................................................51

File Storage.................................................................................................................................................................52Copy Files to and from the System.........................................................................................................................52Save the Running-Configuration............................................................................................................................. 53Configure the Overload Bit for a Startup Scenario...............................................................................................54Viewing Files...............................................................................................................................................................54Changes in Configuration Files................................................................................................................................ 55

Viewing Command History............................................................................................................................................. 55Upgrading the Dell Networking OS............................................................................................................................... 55

4 Switch Management....................................................................................................................................57Configuring Privilege Levels........................................................................................................................................... 57

Contents 3

Creating a Custom Privilege Level...........................................................................................................................57Removing a Command from EXEC Mode.............................................................................................................. 57Moving a Command from EXEC Privilege Mode to EXEC Mode....................................................................... 57Allowing Access to CONFIGURATION Mode Commands................................................................................... 58Allowing Access to the Following Modes............................................................................................................... 58Applying a Privilege Level to a Username...............................................................................................................59Applying a Privilege Level to a Terminal Line......................................................................................................... 60

Configuring Logging........................................................................................................................................................ 60Audit and Security Logs............................................................................................................................................60Configuring Logging Format .................................................................................................................................. 62Setting Up a Secure Connection to a Syslog Server............................................................................................ 62

Track Login Activity.........................................................................................................................................................64Restrictions for Tracking Login Activity..................................................................................................................64Configuring Login Activity Tracking........................................................................................................................ 64Display Login Statistics............................................................................................................................................. 64

Limit Concurrent Login Sessions................................................................................................................................... 66Restrictions for Limiting the Number of Concurrent Sessions............................................................................66Configuring Concurrent Session Limit.................................................................................................................... 66Enabling the System to Clear Existing Sessions.................................................................................................... 67

Enabling Secured CLI Mode........................................................................................................................................... 67Log Messages in the Internal Buffer............................................................................................................................. 68

Configuration Task List for System Log Management.........................................................................................68Disabling System Logging...............................................................................................................................................68Sending System Messages to a Syslog Server............................................................................................................68

Configuring a UNIX System as a Syslog Server.................................................................................................... 69Display the Logging Buffer and the Logging Configuration....................................................................................... 69Changing System Logging Settings.............................................................................................................................. 70Configuring a UNIX Logging Facility Level................................................................................................................... 70Synchronizing Log Messages..........................................................................................................................................71Enabling Timestamp on Syslog Messages.................................................................................................................... 72File Transfer Services...................................................................................................................................................... 72

Configuration Task List for File Transfer Services.................................................................................................72Enabling the FTP Server........................................................................................................................................... 73Configuring FTP Server Parameters....................................................................................................................... 73Configuring FTP Client Parameters.........................................................................................................................73

Terminal Lines...................................................................................................................................................................74Denying and Permitting Access to a Terminal Line............................................................................................... 74Configuring Login Authentication for Terminal Lines............................................................................................ 75

Setting Time Out of EXEC Privilege Mode...................................................................................................................75Using Telnet to Access Another Network Device....................................................................................................... 76Lock CONFIGURATION Mode....................................................................................................................................... 77

Viewing the Configuration Lock Status...................................................................................................................77Recovering from a Forgotten Password ......................................................................................................................78Ignoring the Startup Configuration and Booting from the Factory-Default Configuration....................................78Recovering from a Failed Start...................................................................................................................................... 79

4 Contents

Restoring Factory-Default Settings...............................................................................................................................79Important Point to Remember................................................................................................................................. 79Restoring Factory-Default Boot Environment Variables...................................................................................... 80

Using Hashes to Verify Software Images Before Installation..................................................................................... 81Verifying System Images on C9010 Components....................................................................................................... 82

When System Images on C9010 Components Do Not Match............................................................................ 83Manually Resetting the System Image on a C9010 Component......................................................................... 83Logging in to the Virtual Console of a C9010 Component................................................................................... 84Booting the C9010 from an Image on a Network Server..................................................................................... 84Configuring C9010 Components to Boot from the RPM CP Image................................................................... 84

5 802.1X......................................................................................................................................................... 86The Port-Authentication Process..................................................................................................................................88

EAP over RADIUS......................................................................................................................................................89Configuring 802.1X.......................................................................................................................................................... 90

Related Configuration Tasks.................................................................................................................................... 90Important Points to Remember..................................................................................................................................... 90Enabling 802.1X.................................................................................................................................................................91Configuring dot1x Profile ................................................................................................................................................93Configuring MAC addresses for a do1x Profile............................................................................................................ 93Configuring the Static MAB and MAB Profile .............................................................................................................94Configuring Critical VLAN ..............................................................................................................................................95Configuring Request Identity Re-Transmissions......................................................................................................... 95Configuring a Quiet Period after a Failed Authentication...........................................................................................96Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 97Re-Authenticating a Port................................................................................................................................................98Configuring Dynamic VLAN Assignment with Port Authentication.......................................................................... 98Guest and Authentication-Fail VLANs.......................................................................................................................... 99

Configuring a Guest VLAN......................................................................................................................................100Configuring an Authentication-Fail VLAN..............................................................................................................101Configuring Timeouts...............................................................................................................................................102

Multi-Host Authentication.............................................................................................................................................103Configuring Multi-Host AuthenticationConfiguring Single-Host Authentication............................................. 104

Multi-Supplicant Authentication...................................................................................................................................105Configuring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication............................ 106

MAC Authentication Bypass......................................................................................................................................... 107MAB in Single-host and Multi-Host Mode............................................................................................................ 107MAB in Multi-Supplicant Authentication Mode....................................................................................................108Configuring MAC Authentication Bypass..............................................................................................................108

Dynamic CoS with 802.1X.............................................................................................................................................109

6 Access Control Lists (ACLs)........................................................................................................................111IP Access Control Lists (ACLs)......................................................................................................................................111

CAM Usage................................................................................................................................................................112User-Configurable CAM Allocation......................................................................................................................... 113Allocating CAM for Ingress ACLs on the Port Extender......................................................................................113

Contents 5

Allocating CAM for Egress ACLs on the Port Extender...................................................................................... 115Implementing ACLs ..................................................................................................................................................116

IP Fragment Handling..................................................................................................................................................... 117IP Fragments ACL Examples................................................................................................................................... 117Layer 4 ACL Rules Examples................................................................................................................................... 118

Configure a Standard IP ACL........................................................................................................................................ 119Configuring a Standard IP ACL Filter.....................................................................................................................120

Configure an Extended IP ACL.....................................................................................................................................120Configuring Filters with a Sequence Number........................................................................................................121Configuring Filters Without a Sequence Number................................................................................................ 122

Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 122Using ACL VLAN Groups...............................................................................................................................................123

Guidelines for Configuring ACL VLAN Groups..................................................................................................... 123Configuring an ACL VLAN Group...........................................................................................................................124Allocating ACL VLAN CAM..................................................................................................................................... 125

Applying an IP ACL to an Interface.............................................................................................................................. 125Applying Ingress ACLs on the Port Extender....................................................................................................... 126Applying Egress ACLs.............................................................................................................................................. 127Applying Layer 3 Egress ACLs on Control-Plane Traffic.....................................................................................127Counting ACL Hits....................................................................................................................................................128

IP Prefix Lists.................................................................................................................................................................. 128Implementation Information.................................................................................................................................... 128Configuration Task List for Prefix Lists................................................................................................................. 129

ACL Resequencing......................................................................................................................................................... 132Resequencing an ACL or Prefix List...................................................................................................................... 133

Route Maps.....................................................................................................................................................................134Implementation Information.................................................................................................................................... 134

Important Points to Remember.................................................................................................................................... 134Configuration Task List for Route Maps............................................................................................................... 134Configuring Match Routes...................................................................................................................................... 137Configuring Set Conditions..................................................................................................................................... 138Configure a Route Map for Route Redistribution................................................................................................ 139Configure a Route Map for Route Tagging.......................................................................................................... 139Continue Clause........................................................................................................................................................140

Configuring a UDF ACL................................................................................................................................................. 140Hot-Lock Behavior......................................................................................................................................................... 142

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 143How BFD Works............................................................................................................................................................. 143

BFD Packet Format................................................................................................................................................. 144BFD Sessions............................................................................................................................................................ 145BFD Three-Way Handshake................................................................................................................................... 146Session State Changes............................................................................................................................................148

Important Points to Remember....................................................................................................................................148Configure BFD................................................................................................................................................................ 148

Configure BFD for Physical Ports.......................................................................................................................... 149

6 Contents

Configure BFD for Static Routes........................................................................................................................... 150Configure BFD for OSPF.........................................................................................................................................153Configure BFD for OSPFv3.................................................................................................................................... 156Configure BFD for IS-IS...........................................................................................................................................157Configure BFD for BGP...........................................................................................................................................160Configure BFD for VRRP........................................................................................................................................ 166Configuring Protocol Liveness................................................................................................................................169

8 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 170Autonomous Systems (AS)...........................................................................................................................................170Sessions and Peers.........................................................................................................................................................172

Establish a Session................................................................................................................................................... 172Route Reflectors.............................................................................................................................................................173

Communities..............................................................................................................................................................174BGP Attributes................................................................................................................................................................174

Best Path Selection Criteria.................................................................................................................................... 174Weight........................................................................................................................................................................176Local Preference...................................................................................................................................................... 176Multi-Exit Discriminators (MEDs)...........................................................................................................................177Origin.......................................................................................................................................................................... 178AS Path......................................................................................................................................................................178Next Hop................................................................................................................................................................... 179

Multiprotocol BGP..........................................................................................................................................................179Implement BGP ..............................................................................................................................................................179

Additional Path (Add-Path) Support..................................................................................................................... 179Advertise IGP Cost as MED for Redistributed Routes........................................................................................180Ignore Router-ID for Some Best-Path Calculations............................................................................................ 180Four-Byte AS Numbers........................................................................................................................................... 180AS4 Number Representation...................................................................................................................................181AS Number Migration.............................................................................................................................................. 182BGP4 Management Information Base (MIB)....................................................................................................... 184Important Points to Remember..............................................................................................................................184

Configuration Information............................................................................................................................................. 185BGP Configuration......................................................................................................................................................... 185

Enabling BGP............................................................................................................................................................ 186Configuring AS4 Number Representations...........................................................................................................189Configuring Peer Groups.........................................................................................................................................190Configuring BGP Fast Fail-Over.............................................................................................................................193Configuring Passive Peering................................................................................................................................... 194Maintaining Existing AS Numbers During an AS Migration.................................................................................195Allowing an AS Number to Appear in its Own AS Path.......................................................................................196Enabling Neighbor Graceful Restart...................................................................................................................... 197Filtering on an AS-Path Attribute........................................................................................................................... 197Regular Expressions as Filters................................................................................................................................ 198Redistributing Routes............................................................................................................................................. 200Enabling Additional Paths....................................................................................................................................... 200

Contents 7

Configuring IP Community Lists.............................................................................................................................201Configuring an IP Extended Community List....................................................................................................... 202Filtering Routes with Community Lists.................................................................................................................203Manipulating the COMMUNITY Attribute............................................................................................................203Changing MED Attributes...................................................................................................................................... 205Changing the LOCAL_PREFERENCE Attribute................................................................................................. 205Configuring the local System or a Different System to be the Next Hop for BGP-Learned Routes...........206Changing the WEIGHT Attribute...........................................................................................................................206Enabling Multipath...................................................................................................................................................207Filtering BGP Routes...............................................................................................................................................207Filtering BGP Routes Using Route Maps............................................................................................................. 208Filtering BGP Routes Using AS-PATH Information.............................................................................................209Configuring BGP Route Reflectors........................................................................................................................210Aggregating Routes................................................................................................................................................. 210Configuring BGP Confederations............................................................................................................................211Enabling Route Flap Dampening..............................................................................................................................211Changing BGP Timers..............................................................................................................................................214Enabling BGP Neighbor Soft-Reconfiguration..................................................................................................... 214Enabling or disabling BGP neighbors..................................................................................................................... 215Route Map Continue................................................................................................................................................217

Enabling MBGP Configurations.................................................................................................................................... 217BGP Regular Expression Optimization.........................................................................................................................218Debugging BGP.............................................................................................................................................................. 218

Storing Last and Bad PDUs.................................................................................................................................... 219Capturing PDUs....................................................................................................................................................... 220PDU Counters...........................................................................................................................................................221

Sample Configurations...................................................................................................................................................221

9 Content Addressable Memory (CAM)....................................................................................................... 230CAM Allocation.............................................................................................................................................................. 230Test CAM Usage........................................................................................................................................................... 232View CAM-ACL Settings.............................................................................................................................................. 232View CAM Usage...........................................................................................................................................................233Return to the Default CAM Configuration................................................................................................................. 233CAM Optimization......................................................................................................................................................... 234Applications for CAM Profiling.....................................................................................................................................234

LAG HashingLAG Hashing Based on Bidirectional Flow.....................................................................................234Unified Forwarding Table (UFT) Modes.....................................................................................................................234

Configuring UFT Modes......................................................................................................................................... 235

10 Control Plane Policing (CoPP)................................................................................................................. 236CoPP Implementation................................................................................................................................................... 236

Protocol-based Control Plane Policing................................................................................................................. 236Queue-based Control Plane Policing.....................................................................................................................236

CoPP Example............................................................................................................................................................... 238Configure Control Plane Policing.................................................................................................................................239

8 Contents

Configuring CoPP for Protocols............................................................................................................................239Examples of Configuring CoPP for Protocols......................................................................................................240Configuring CoPP for CPU Queues.......................................................................................................................241Examples of Configuring CoPP for CPU Queues................................................................................................242Displaying CoPP Configuration.............................................................................................................................. 243

Troubleshooting CoPP Operation................................................................................................................................246Enabling CPU Traffic Statistics............................................................................................................................. 246Viewing CPU Traffic Statistics.............................................................................................................................. 246Troubleshooting CPU Packet Loss........................................................................................................................247Viewing Per-Protocol CoPP Counters..................................................................................................................248Viewing Per-Queue CoPP Counters......................................................................................................................251

11 Data Center Bridging (DCB)..................................................................................................................... 252Enabling Data Center Bridging.....................................................................................................................................252Ethernet Enhancements in Data Center Bridging.....................................................................................................253

Priority-Based Flow Control...................................................................................................................................254Enhanced Transmission Selection.........................................................................................................................255Data Center Bridging Exchange Protocol (DCBx)..............................................................................................256Data Center Bridging in a Traffic Flow................................................................................................................. 256

QoS dot1p Traffic Classification and Queue Assignment......................................................................................... 257SNMP Support for PFC and Buffer Statistics Tracking...........................................................................................257DCB Maps and its Attributes....................................................................................................................................... 258

DCB Map: Configuration Procedure..................................................................................................................... 258Important Points to Remember.............................................................................................................................259Applying a DCB Map on a Port..............................................................................................................................259Configuring PFC without a DCB Map...................................................................................................................260Configuring Lossless Queues................................................................................................................................. 260Applying a DCB Map on a Line Card......................................................................................................................261

Data Center Bridging: Default Configuration............................................................................................................. 262Configuration Notes: PFC and ETS in a DCB Map................................................................................................... 262

PFC Configuration Notes....................................................................................................................................... 262ETS Configuration Notes........................................................................................................................................263ETS Prerequisites and Restrictions.......................................................................................................................264Priority-Group Configuration Notes......................................................................................................................264

Configuring Priority-Based Flow Control....................................................................................................................264Configuring Lossless Queues................................................................................................................................. 265

Configuring Enhanced Transmission Selection..........................................................................................................266Creating an ETS Priority Group............................................................................................................................. 266ETS Operation with DCBx......................................................................................................................................267

Configure a DCBx Operation........................................................................................................................................267DCBx Operation.......................................................................................................................................................268DCBx Port Roles......................................................................................................................................................268DCB Configuration Exchange................................................................................................................................ 269Configuration Source Election............................................................................................................................... 270Propagation of DCB Information........................................................................................................................... 270Auto-Detection and Manual Configuration of the DCBx Version...................................................................... 271

Contents 9

Behavior of Tagged Packets...................................................................................................................................271Configuration Example for DSCP and PFC Priorities..........................................................................................272DCBx Example..........................................................................................................................................................272DCBx Prerequisites and Restrictions.................................................................................................................... 273Configuring DCBx.................................................................................................................................................... 274

Verifying the DCB Configuration................................................................................................................................. 277Performing PFC Using DSCP Bits Instead of 802.1p Bits........................................................................................ 287PFC and ETS Configuration Examples........................................................................................................................287Using PFC and ETS to Manage Data Center Traffic................................................................................................288

PFC and ETS Configuration Command Examples.............................................................................................. 289Using PFC and ETS to Manage Converged Ethernet Traffic........................................................................... 289Hierarchical Scheduling in ETS Output Policies...................................................................................................290

Priority-Based Flow Control Using Dynamic Buffer Method...................................................................................290Pause and Resume of Traffic.................................................................................................................................290Buffer Sizes for Lossless or PFC Packets............................................................................................................ 291

Configuring the Dynamic Buffer Method....................................................................................................................291

12 Debugging and Diagnostics...................................................................................................................... 293Offline Diagnostics.........................................................................................................................................................293

Running Port Extender Offline Diagnostics on the Switch................................................................................ 293Running Offline Diagnostics on a Standalone Switch.........................................................................................300

TRACE Logs...................................................................................................................................................................320Auto Save on Reload, Crash, or Rollover.............................................................................................................. 321Uploading Trace Logs.............................................................................................................................................. 321

Last Restart Reason.......................................................................................................................................................321show hardware Commands..........................................................................................................................................322Environmental Monitoring............................................................................................................................................ 324

Displaying Port Extender Environment Information ...........................................................................................324Display Power Supply Status................................................................................................................................. 324Display Fan Status...................................................................................................................................................325Display Transceiver Type........................................................................................................................................325Recognize an Over-Temperature Condition........................................................................................................ 327Troubleshoot an Over-Temperature Condition................................................................................................... 328

Troubleshooting Packet Loss.......................................................................................................................................330Displaying Drop Counters....................................................................................................................................... 330Displaying Dataplane Statistics...............................................................................................................................331Displaying Line-Card Counters...............................................................................................................................333

Accessing Application Core Dumps.............................................................................................................................333Mini Core Dumps........................................................................................................................................................... 334Full Kernel Core Dumps................................................................................................................................................ 335Enabling TCP Dumps.................................................................................................................................................... 335Accessing Port Extender Core and Mini Core Dumps..............................................................................................336

13 Dynamic Host Configuration Protocol (DHCP).........................................................................................337DHCP Packet Format and Options............................................................................................................................. 337Assign an IP Address using DHCP...............................................................................................................................339

10 Contents

Implementation Information......................................................................................................................................... 340Configure the System to be a DHCP Server............................................................................................................. 340

Configuring the Server for Automatic Address Allocation.................................................................................. 341Specifying a Default Gateway................................................................................................................................342Configure a Method of Hostname Resolution..................................................................................................... 342Using DNS for Address Resolution........................................................................................................................342Using NetBIOS WINS for Address Resolution..................................................................................................... 343Creating Manual Binding Entries............................................................................................................................343Debugging the DHCP Server................................................................................................................................. 343Using DHCP Clear Commands...............................................................................................................................344

Configure the System to be a Relay Agent................................................................................................................344Configure the System to be a DHCP Client...............................................................................................................346

DHCP Client on a Management Interface............................................................................................................346DHCP Client Operation with Other Features...................................................................................................... 346

Configure Secure DHCP...............................................................................................................................................347Option 82.................................................................................................................................................................. 347DHCP Snooping.......................................................................................................................................................348Drop DHCP Packets on Snooped VLANs Only................................................................................................... 350Dynamic ARP Inspection......................................................................................................................................... 351Configuring Dynamic ARP Inspection................................................................................................................... 352

Source Address Validation............................................................................................................................................353Enabling IP Source Address Validation................................................................................................................. 353DHCP MAC Source Address Validation................................................................................................................354Enabling IP+MAC Source Address Validation......................................................................................................354Viewing the Number of SAV Dropped Packets...................................................................................................354Clearing the Number of SAV Dropped Packets.................................................................................................. 355

14 Equal Cost Multi-Path (ECMP)................................................................................................................356ECMP for Flow-Based Affinity.................................................................................................................................... 356

Enabling Deterministic ECMP Next Hop.............................................................................................................. 356Configuring the Hash Algorithm Seed.................................................................................................................. 356Link Bundle Monitoring........................................................................................................................................... 357

Managing ECMP Group Paths.....................................................................................................................................357Creating an ECMP Group Bundle................................................................................................................................358Modifying the ECMP Group Threshold...................................................................................................................... 358BGP Multipath Operation with Link Bankwidth.........................................................................................................359Dynamic Re-calculation of Link Bankwidth................................................................................................................360Weighted ECMP for Static Routes..............................................................................................................................361ECMP Support in L3 Host and LPM Tables............................................................................................................... 361

15 FCoE Transit............................................................................................................................................ 362Fibre Channel over Ethernet........................................................................................................................................362Ensure Robustness in a Converged Ethernet Network............................................................................................362FIP Snooping on Ethernet Bridges.............................................................................................................................. 364FIP Snooping in a Switch Stack...................................................................................................................................366Using FIP Snooping....................................................................................................................................................... 366

Contents 11

FIP Snooping Prerequisites.................................................................................................................................... 366Important Points to Remember.............................................................................................................................366Enabling the FCoE Transit Feature....................................................................................................................... 367Enable FIP Snooping on VLANs.............................................................................................................................367Configure the FC-MAP Value................................................................................................................................ 367Configure a Port for a Bridge-to-Bridge Link...................................................................................................... 368Configure a Port for a Bridge-to-FCF Link.......................................................................................................... 368Impact on Other Software Features.....................................................................................................................368FIP Snooping Restrictions...................................................................................................................................... 368

Configuring FIP Snooping.............................................................................................................................................369Displaying FIP Snooping Information...........................................................................................................................370FCoE Transit Configuration Example.......................................................................................................................... 375

16 FIPS Cryptography...................................................................................................................................377Configuration Tasks.......................................................................................................................................................377Preparing the System....................................................................................................................................................377Enabling FIPS Mode...................................................................................................................................................... 378Generating Host-Keys...................................................................................................................................................378Monitoring FIPS Mode Status......................................................................................................................................378Disabling FIPS Mode......................................................................................................................................................379

17 Flex Hash and Optimized Boot-Up............................................................................................................380Flex Hash Capability Overview.................................................................................................................................... 380Configuring the Flex Hash Mechanism.......................................................................................................................380LACP Fast Switchover.................................................................................................................................................. 381Configuring LACP Fast Switchover.............................................................................................................................381LACP................................................................................................................................................................................381

LACP Fast Switchover............................................................................................................................................ 381RDMA Over Converged Ethernet (RoCE) Overview................................................................................................381Sample Configurations..................................................................................................................................................383

................................................................................................................................................................................... 383Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.....................................................................................386

18 Force10 Resilient Ring Protocol (FRRP)...................................................................................................387Protocol Overview.........................................................................................................................................................387

Ring Status...............................................................................................................................................................388Multiple FRRP Rings............................................................................................................................................... 388Important FRRP Points...........................................................................................................................................389Implementing FRRP.................................................................................................................................................389Important FRRP Concepts.....................................................................................................................................390

FRRP Configuration....................................................................................................................................................... 391Creating the FRRP Group....................................................................................................................................... 391Configuring the Control VLAN................................................................................................................................391Configuring and Adding the Member VLANs.......................................................................................................392Setting the FRRP Timers........................................................................................................................................393Clearing the FRRP Counters..................................................................................................................................394

12 Contents

Viewing the FRRP Configuration...........................................................................................................................394Viewing the FRRP Information.............................................................................................................................. 394

Troubleshooting FRRP..................................................................................................................................................394Configuration Checks..............................................................................................................................................394

Sample Configuration and Topology........................................................................................................................... 395FRRP Support on VLT.................................................................................................................................................. 396

Example Scenario.....................................................................................................................................................397Important Points to Remember............................................................................................................................. 398

19 GARP VLAN Registration Protocol (GVRP)............................................................................................. 399Important Points to Remember...................................................................................................................................399Configure GVRP............................................................................................................................................................ 400

Related Configuration Tasks..................................................................................................................................400Enabling GVRP Globally.................................................................................................................................................401Enabling GVRP on a Layer 2 Interface........................................................................................................................ 401Configure GVRP Registration.......................................................................................................................................401Configure a GARP Timer.............................................................................................................................................. 402

20 High Availability (HA).............................................................................................................................. 403High Availability on Chassis.......................................................................................................................................... 403High Availability in a PE Stack......................................................................................................................................403Online Insertion and Removal.......................................................................................................................................404

RPM Online Insertion.............................................................................................................................................. 404Line Card Online Insertion...................................................................................................................................... 404Pre-configuring a Slot for a Line-Card Type........................................................................................................404Replacing a Line Card............................................................................................................................................. 405

Hitless Behavior............................................................................................................................................................. 405Graceful Restart............................................................................................................................................................ 406Software Resiliency.......................................................................................................................................................406

System Health Monitoring......................................................................................................................................406Failure and Event Logging......................................................................................................................................406Trace Log..................................................................................................................................................................406Core Dumps..............................................................................................................................................................407System Log...............................................................................................................................................................407

Control Plane Redundancy........................................................................................................................................... 407Control-Plane Failover.............................................................................................................................................407RPM Synchronization............................................................................................................................................. 408Forcing an RPM Failover........................................................................................................................................ 408Specifying an Auto-Failover Limit..........................................................................................................................409Disabling Auto-Reboot............................................................................................................................................409

21 Internet Group Management Protocol (IGMP)......................................................................................... 410IGMP Implementation Information...............................................................................................................................410IGMP Protocol Overview.............................................................................................................................................. 410

IGMP Version 2.........................................................................................................................................................410IGMP Version 3.........................................................................................................................................................412

Contents 13

Configure IGMP..............................................................................................................................................................415Related Configuration Tasks...................................................................................................................................415

Viewing IGMP Enabled Interfaces................................................................................................................................416Selecting an IGMP Version........................................................................................................................................... 416Viewing IGMP Groups................................................................................................................................................... 416Enabling IGMP Immediate-Leave................................................................................................................................. 417IGMP Snooping...............................................................................................................................................................417

IGMP Snooping Implementation Information........................................................................................................417Configuring IGMP Snooping....................................................................................................................................417Removing a Group-Port Association..................................................................................................................... 418Disabling Multicast Flooding....................................................................................................................................419Specifying a Port as Connected to a Multicast Router.......................................................................................419Configuring the Switch as Querier.........................................................................................................................419

Fast Convergence after MSTP Topology Changes..................................................................................................420Designating a Multicast Router Interface...................................................................................................................420

22 Interfaces.................................................................................................................................................421Basic Interface Configuration....................................................................................................................................... 421Advanced Interface Configuration............................................................................................................................... 421Port Numbering............................................................................................................................................................. 422Interface Types..............................................................................................................................................................425View Basic Interface Information................................................................................................................................ 425Resetting an Interface to its Factory Default State...................................................................................................431Enabling a Physical Interface........................................................................................................................................432Physical Interfaces.........................................................................................................................................................432

Port Pipes................................................................................................................................................................. 432Setting the Speed of Ethernet Interfaces............................................................................................................432Configuration Task List for Physical Interfaces................................................................................................... 433Overview of Layer Modes...................................................................................................................................... 433Configuring Layer 2 (Data Link) Mode................................................................................................................. 434Configuring Layer 2 (Interface) Mode..................................................................................................................434Configuring Layer 3 (Network) Mode.................................................................................................................. 435Configuring Layer 3 (Interface) Mode..................................................................................................................435

Egress Interface Selection (EIS)................................................................................................................................. 436Important Points to Remember............................................................................................................................. 436Configuring EIS........................................................................................................................................................ 436

Management Interfaces................................................................................................................................................437Configuring a Dedicated Management Interface ............................................................................................... 437Configuring a Management Interface on an Ethernet Port............................................................................... 438

Port Extender Interfaces.............................................................................................................................................. 439VLAN Interfaces............................................................................................................................................................ 439Loopback Interfaces......................................................................................................................................................440Null Interfaces................................................................................................................................................................ 440Port Channel Interfaces.................................................................................................................................................441

Port Channel Definition and Standards................................................................................................................. 441Port Channel Benefits..............................................................................................................................................441

14 Contents

Port Channel Implementation................................................................................................................................. 44110/40 Gbps Interfaces in Port Channels.............................................................................................................. 442Configuration Tasks for Port Channel Interfaces................................................................................................442Creating a Port Channel......................................................................................................................................... 442Adding a Physical Interface to a Port Channel.................................................................................................... 443Reassigning an Interface to a New Port Channel............................................................................................... 445Configuring the Minimum Oper Up Links in a Port Channel.............................................................................. 445Adding or Removing a Port Channel from a VLAN............................................................................................. 446Assigning an IP Address to a Port Channel..........................................................................................................446Deleting or Disabling a Port Channel.....................................................................................................................446Load Balancing Through Port Channels................................................................................................................447Changing the Hash Algorithm................................................................................................................................ 447

Bulk Configuration......................................................................................................................................................... 448Interface Range....................................................................................................................................................... 448Bulk Configuration Examples..................................................................................................................................448

Defining Interface Range Macros................................................................................................................................450Define the Interface Range....................................................................................................................................450Choosing an Interface-Range Macro....................................................................................................................450

Monitoring and Maintaining Interfaces.......................................................................................................................450Maintenance Using TDR..........................................................................................................................................451

Displaying Traffic Statistics on HiGig Ports............................................................................................................... 452Link Bundle Monitoring................................................................................................................................................. 452Monitoring HiGig Link Bundles.....................................................................................................................................453