Dell C9000 Series Line Cards User guide

Dell Networking Configuration Guide for the

C9000 Series

Version 9.9(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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jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.

2015 - 10

Rev. A00

Contents

1 About this Guide................................................................................................. 36

Audience..............................................................................................................................................36

Conventions........................................................................................................................................ 36

Related Documents............................................................................................................................ 36

2 Configuration Fundamentals............................................................................37

Accessing the Command Line............................................................................................................37

CLI Modes............................................................................................................................................37

Navigating CLI Modes................................................................................................................... 39

The do Command...............................................................................................................................42

Undoing Commands...........................................................................................................................43

Obtaining Help....................................................................................................................................44

Entering and Editing Commands....................................................................................................... 44

Command History...............................................................................................................................45

Filtering show Command Outputs.....................................................................................................46

Multiple Users in Configuration Mode............................................................................................... 47

3 Getting Started....................................................................................................49

Console Access...................................................................................................................................49

Serial Console................................................................................................................................49

Mounting an NFS File System.............................................................................................................50

Important Points to Remember.................................................................................................... 51

Default Configuration......................................................................................................................... 52

Configuring a Host Name...................................................................................................................52

Accessing the System Remotely.........................................................................................................52

Accessing the System Remotely...................................................................................................53

Configure the Management Port IP Address............................................................................... 53

Configure a Management Route.................................................................................................. 53

Configuring a Username and Password.......................................................................................54

Configuring the Enable Password......................................................................................................54

Manage Configuration Files................................................................................................................54

File Storage.................................................................................................................................... 55

Copy Files to and from the System.............................................................................................. 55

Save the Running-Configuration..................................................................................................56

Configure the Overload Bit for a Startup Scenario...................................................................... 57

Viewing Files.................................................................................................................................. 57

Changes in Configuration Files.....................................................................................................58

Viewing Command History.................................................................................................................58

3

Upgrading the Dell Networking OS....................................................................................................59

4 Switch Management..........................................................................................60

Configuring Privilege Levels............................................................................................................... 60

Creating a Custom Privilege Level............................................................................................... 60

Removing a Command from EXEC Mode................................................................................... 60

Moving a Command from EXEC Privilege Mode to EXEC Mode................................................60

Allowing Access to CONFIGURATION Mode Commands...........................................................61

Allowing Access to the Following Modes.....................................................................................61

Applying a Privilege Level to a Username.................................................................................... 63

Applying a Privilege Level to a Terminal Line...............................................................................63

Configuring Logging...........................................................................................................................63

Audit and Security Logs................................................................................................................ 64

Configuring Logging Format ...................................................................................................... 65

Setting Up a Secure Connection to a Syslog Server....................................................................66

Track Login Activity............................................................................................................................. 67

Restrictions for Tracking Login Activity........................................................................................67

Configuring Login Activity Tracking............................................................................................. 67

Display Login Statistics..................................................................................................................68

Limit Concurrent Login Sessions....................................................................................................... 69

Restrictions for Limiting the Number of Concurrent Sessions................................................... 69

Configuring Concurrent Session Limit.........................................................................................69

Enabling the System to Clear Existing Sessions...........................................................................69

Log Messages in the Internal Buffer...................................................................................................70

Configuration Task List for System Log Management.................................................................70

Disabling System Logging................................................................................................................... 71

Sending System Messages to a Syslog Server.................................................................................... 71

Configuring a UNIX System as a Syslog Server.............................................................................71

Display the Logging Buffer and the Logging Configuration..............................................................72

Changing System Logging Settings....................................................................................................72

Configuring a UNIX Logging Facility Level.........................................................................................73

Synchronizing Log Messages..............................................................................................................74

Enabling Timestamp on Syslog Messages..........................................................................................75

File Transfer Services...........................................................................................................................75

Configuration Task List for File Transfer Services........................................................................ 76

Enabling the FTP Server................................................................................................................ 76

Configuring FTP Server Parameters..............................................................................................76

Configuring FTP Client Parameters.............................................................................................. 77

Terminal Lines......................................................................................................................................77

Denying and Permitting Access to a Terminal Line..................................................................... 77

Configuring Login Authentication for Terminal Lines................................................................. 78

Setting Time Out of EXEC Privilege Mode......................................................................................... 79

4

Using Telnet to Access Another Network Device..............................................................................79

Lock CONFIGURATION Mode........................................................................................................... 80

Viewing the Configuration Lock Status........................................................................................ 81

Recovering from a Forgotten Password ............................................................................................81

Ignoring the Startup Configuration and Booting from the Factory-Default Configuration............ 82

Recovering from a Failed Start........................................................................................................... 82

Restoring Factory-Default Settings.................................................................................................... 83

Important Point to Remember..................................................................................................... 83

Restoring Factory-Default Boot Environment Variables............................................................. 83

Using Hashes to Verify Software Images Before Installation............................................................ 85

Verifying System Images on C9010 Components............................................................................ 86

When System Images on C9010 Components Do Not Match................................................... 87

Manually Resetting the System Image on a C9010 Component................................................88

Logging in to the Virtual Console of a C9010 Component........................................................88

Booting the C9010 from an Image on a Network Server........................................................... 88

Configuring C9010 Components to Boot from the RPM CP Image..........................................89

5 802.1X...................................................................................................................90

The Port-Authentication Process....................................................................................................... 91

EAP over RADIUS...........................................................................................................................93

Configuring 802.1X............................................................................................................................. 93

Related Configuration Tasks.........................................................................................................93

Important Points to Remember......................................................................................................... 94

Enabling 802.1X...................................................................................................................................95

Configuring dot1x Profile ...................................................................................................................97

Configuring MAC addresses for a do1x Profile..................................................................................98

Configuring the Static MAB and MAB Profile ....................................................................................98

Configuring Critical VLAN ..................................................................................................................99

Configuring Request Identity Re-Transmissions.............................................................................100

Configuring a Quiet Period after a Failed Authentication................................................................101

Forcibly Authorizing or Unauthorizing a Port..................................................................................102

Re-Authenticating a Port.................................................................................................................. 103

Configuring Dynamic VLAN Assignment with Port Authentication................................................104

Guest and Authentication-Fail VLANs..............................................................................................105

Configuring a Guest VLAN..........................................................................................................106

Configuring an Authentication-Fail VLAN..................................................................................107

Configuring Timeouts.................................................................................................................108

Multi-Host Authentication................................................................................................................109

Configuring Multi-Host AuthenticationConfiguring Single-Host Authentication.....................111

Multi-Supplicant Authentication....................................................................................................... 112

Configuring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication..... 113

MAC Authentication Bypass..............................................................................................................114

5

MAB in Single-host and Multi-Host Mode..................................................................................114

MAB in Multi-Supplicant Authentication Mode..........................................................................114

Configuring MAC Authentication Bypass....................................................................................115

Dynamic CoS with 802.1X.................................................................................................................116

6 Access Control Lists (ACLs).............................................................................118

IP Access Control Lists (ACLs)...........................................................................................................118

CAM Usage...................................................................................................................................119

User-Configurable CAM Allocation............................................................................................120

Allocating CAM for Ingress ACLs on the Port Extender.............................................................120

Allocating CAM for Egress ACLs on the Port Extender..............................................................122

Implementing ACLs .................................................................................................................... 123

IP Fragment Handling....................................................................................................................... 124

IP Fragments ACL Examples....................................................................................................... 125

Layer 4 ACL Rules Examples....................................................................................................... 125

Configure a Standard IP ACL............................................................................................................ 126

Configuring a Standard IP ACL Filter.......................................................................................... 127

Configure an Extended IP ACL......................................................................................................... 128

Configuring Filters with a Sequence Number............................................................................128

Configuring Filters Without a Sequence Number......................................................................130

Configure Layer 2 and Layer 3 ACLs.................................................................................................131

Using ACL VLAN Groups................................................................................................................... 131

Guidelines for Configuring ACL VLAN Groups...........................................................................132

Configuring an ACL VLAN Group............................................................................................... 132

Allocating ACL VLAN CAM.......................................................................................................... 133

Applying an IP ACL to an Interface...................................................................................................134

Applying Ingress ACLs on the Port Extender..............................................................................135

Applying Egress ACLs.................................................................................................................. 135

Applying Layer 3 Egress ACLs on Control-Plane Traffic............................................................136

Counting ACL Hits....................................................................................................................... 137

IP Prefix Lists...................................................................................................................................... 137

Implementation Information.......................................................................................................137

Configuration Task List for Prefix Lists....................................................................................... 138

ACL Resequencing............................................................................................................................ 141

Resequencing an ACL or Prefix List............................................................................................142

Route Maps........................................................................................................................................143

Implementation Information...................................................................................................... 144

Important Points to Remember........................................................................................................144

Configuration Task List for Route Maps.....................................................................................144

Configuring Match Routes..........................................................................................................146

Configuring Set Conditions........................................................................................................ 148

Configure a Route Map for Route Redistribution...................................................................... 149

6

Configure a Route Map for Route Tagging................................................................................150

Continue Clause..........................................................................................................................150

Configuring a UDF ACL.....................................................................................................................150

Hot-Lock Behavior............................................................................................................................152

7 Bidirectional Forwarding Detection (BFD)...................................................153

How BFD Works................................................................................................................................ 153

BFD Packet Format......................................................................................................................154

BFD Sessions................................................................................................................................156

BFD Three-Way Handshake........................................................................................................156

Session State Changes.................................................................................................................157

Important Points to Remember........................................................................................................158

Configure BFD...................................................................................................................................158

Configure BFD for Static Routes.................................................................................................159

Configure BFD for OSPF............................................................................................................. 160

Configure BFD for OSPFv3......................................................................................................... 164

Configure BFD for IS-IS...............................................................................................................165

Configure BFD for BGP...............................................................................................................168

Configure BFD for VRRP..............................................................................................................174

Configuring Protocol Liveness....................................................................................................177

8 Border Gateway Protocol IPv4 (BGPv4).......................................................178

Autonomous Systems (AS)................................................................................................................178

Sessions and Peers............................................................................................................................180

Establish a Session....................................................................................................................... 181

Route Reflectors................................................................................................................................181

Communities............................................................................................................................... 182

BGP Attributes................................................................................................................................... 182

Best Path Selection Criteria.........................................................................................................183

Weight..........................................................................................................................................185

Local Preference......................................................................................................................... 185

Multi-Exit Discriminators (MEDs)................................................................................................186

Origin........................................................................................................................................... 187

AS Path.........................................................................................................................................188

Next Hop..................................................................................................................................... 188

Multiprotocol BGP............................................................................................................................ 188

Implement BGP ................................................................................................................................189

Additional Path (Add-Path) Support........................................................................................... 189

Advertise IGP Cost as MED for Redistributed Routes................................................................ 189

Ignore Router-ID for Some Best-Path Calculations..................................................................190

Four-Byte AS Numbers............................................................................................................... 190

AS4 Number Representation...................................................................................................... 190

7

AS Number Migration..................................................................................................................192

BGP4 Management Information Base (MIB).............................................................................. 194

Important Points to Remember..................................................................................................194

Configuration Information................................................................................................................195

BGP Configuration............................................................................................................................ 195

Enabling BGP...............................................................................................................................196

Configuring AS4 Number Representations............................................................................... 200

Configuring Peer Groups............................................................................................................201

Configuring BGP Fast Fail-Over.................................................................................................204

Configuring Passive Peering.......................................................................................................206

Maintaining Existing AS Numbers During an AS Migration........................................................207

Allowing an AS Number to Appear in its Own AS Path............................................................. 208

Enabling Neighbor Graceful Restart.......................................................................................... 208

Filtering on an AS-Path Attribute............................................................................................... 209

Regular Expressions as Filters......................................................................................................211

Redistributing Routes.................................................................................................................. 212

Enabling Additional Paths............................................................................................................213

Configuring IP Community Lists.................................................................................................213

Configuring an IP Extended Community List.............................................................................215

Filtering Routes with Community Lists.......................................................................................216

Manipulating the COMMUNITY Attribute...................................................................................216

Changing MED Attributes............................................................................................................218

Changing the LOCAL_PREFERENCE Attribute...........................................................................218

Changing the NEXT_HOP Attribute............................................................................................219

Changing the WEIGHT Attribute................................................................................................ 220

Enabling Multipath...................................................................................................................... 220

Filtering BGP Routes...................................................................................................................220

Filtering BGP Routes Using Route Maps.................................................................................... 222

Filtering BGP Routes Using AS-PATH Information....................................................................222

Configuring BGP Route Reflectors.............................................................................................223

Aggregating Routes.................................................................................................................... 224

Configuring BGP Confederations.............................................................................................. 224

Enabling Route Flap Dampening................................................................................................225

Changing BGP Timers.................................................................................................................228

Enabling BGP Neighbor Soft-Reconfiguration..........................................................................228

Route Map Continue...................................................................................................................229

Enabling MBGP Configurations........................................................................................................230

BGP Regular Expression Optimization............................................................................................. 231

Debugging BGP.................................................................................................................................231

Storing Last and Bad PDUs......................................................................................................... 232

Capturing PDUs...........................................................................................................................233

PDU Counters............................................................................................................................. 234

8

Sample Configurations..................................................................................................................... 234

9 Content Addressable Memory (CAM)...........................................................244

CAM Allocation................................................................................................................................. 244

Test CAM Usage................................................................................................................................246

View CAM-ACL Settings................................................................................................................... 246

View CAM Usage...............................................................................................................................247

Return to the Default CAM Configuration.......................................................................................248

CAM Optimization............................................................................................................................ 248

Applications for CAM Profiling......................................................................................................... 248

LAG HashingLAG Hashing Based on Bidirectional Flow........................................................... 248

Unified Forwarding Table (UFT) Modes........................................................................................... 249

Configuring UFT Modes............................................................................................................. 249

10 Control Plane Policing (CoPP)..................................................................... 251

CoPP Implementation.......................................................................................................................251

Protocol-based Control Plane Policing......................................................................................251

Queue-based Control Plane Policing.........................................................................................251

CoPP Example...................................................................................................................................253

Configure Control Plane Policing.................................................................................................... 254

Configuring CoPP for Protocols................................................................................................ 254

Examples of Configuring CoPP for Protocols........................................................................... 256

Configuring CoPP for CPU Queues........................................................................................... 257

Examples of Configuring CoPP for CPU Queues...................................................................... 257

Displaying CoPP Configuration..................................................................................................258

Troubleshooting CoPP Operation................................................................................................... 263

Enabling CPU Traffic Statistics................................................................................................... 263

Viewing CPU Traffic Statistics.....................................................................................................263

Troubleshooting CPU Packet Loss.............................................................................................264

Viewing Per-Protocol CoPP Counters.......................................................................................265

Viewing Per-Queue CoPP Counters..........................................................................................270

11 Data Center Bridging (DCB)..........................................................................272

Enabling Data Center Bridging......................................................................................................... 272

Ethernet Enhancements in Data Center Bridging........................................................................... 272

Priority-Based Flow Control....................................................................................................... 274

Enhanced Transmission Selection..............................................................................................275

Data Center Bridging Exchange Protocol (DCBx)..................................................................... 276

Data Center Bridging in a Traffic Flow....................................................................................... 277

QoS dot1p Traffic Classification and Queue Assignment................................................................277

SNMP Support for PFC and Buffer Statistics Tracking.....................................................................278

DCB Maps and its Attributes.............................................................................................................279

9

DCB Map: Configuration Procedure.......................................................................................... 279

Important Points to Remember..................................................................................................279

Applying a DCB Map on a Port...................................................................................................280

Configuring PFC without a DCB Map.........................................................................................281

Configuring Lossless Queues..................................................................................................... 281

Applying a DCB Map on a Line Card..........................................................................................282

Data Center Bridging: Default Configuration..................................................................................283

Configuration Notes: PFC and ETS in a DCB Map.......................................................................... 283

PFC Configuration Notes............................................................................................................283

ETS Configuration Notes............................................................................................................284

ETS Prerequisites and Restrictions............................................................................................. 285

Priority-Group Configuration Notes..........................................................................................286

Configuring Priority-Based Flow Control........................................................................................286

Configuring Lossless Queues..................................................................................................... 287

Configuring Enhanced Transmission Selection.............................................................................. 288

Creating an ETS Priority Group.................................................................................................. 288

ETS Operation with DCBx.......................................................................................................... 289

Configure a DCBx Operation...........................................................................................................290

DCBx Operation..........................................................................................................................290

DCBx Port Roles......................................................................................................................... 290

DCB Configuration Exchange.................................................................................................... 292

Configuration Source Election...................................................................................................292

Propagation of DCB Information............................................................................................... 293

Auto-Detection and Manual Configuration of the DCBx Version............................................ 293

Behavior of Tagged Packets.......................................................................................................294

Configuration Example for DSCP and PFC Priorities................................................................ 294

DCBx Example.............................................................................................................................295

DCBx Prerequisites and Restrictions..........................................................................................296

Configuring DCBx....................................................................................................................... 297

Verifying the DCB Configuration......................................................................................................301

Performing PFC Using DSCP Bits Instead of 802.1p Bits.................................................................312

PFC and ETS Configuration Examples..............................................................................................312

Using PFC and ETS to Manage Data Center Traffic.........................................................................313

PFC and ETS Configuration Command Examples.....................................................................314

Using PFC and ETS to Manage Converged Ethernet Traffic......................................................315

Hierarchical Scheduling in ETS Output Policies.........................................................................315

Priority-Based Flow Control Using Dynamic Buffer Method.......................................................... 315

Pause and Resume of Traffic...................................................................................................... 316

Buffer Sizes for Lossless or PFC Packets....................................................................................316

Configuring the Dynamic Buffer Method.........................................................................................317

12 Debugging and Diagnostics......................................................................... 319

10

Offline Diagnostics............................................................................................................................319

Running Port Extender Offline Diagnostics on the Switch........................................................319

Running Offline Diagnostics on a Standalone Switch...............................................................326

TRACE Logs.......................................................................................................................................349

Auto Save on Reload, Crash, or Rollover...................................................................................349

Uploading Trace Logs.................................................................................................................349

Last Restart Reason...........................................................................................................................350

show hardware Commands.............................................................................................................350

Environmental Monitoring................................................................................................................353

Displaying Port Extender Environment Information .................................................................354

Display Power Supply Status...................................................................................................... 354

Display Fan Status....................................................................................................................... 355

Display Transceiver Type............................................................................................................ 355

Recognize an Over-Temperature Condition.............................................................................357

Troubleshoot an Over-Temperature Condition........................................................................358

Troubleshooting Packet Loss...........................................................................................................360

Displaying Drop Counters...........................................................................................................361

Displaying Dataplane Statistics...................................................................................................362

Displaying Line-Card Counters..................................................................................................364

Accessing Application Core Dumps................................................................................................ 364

Mini Core Dumps..............................................................................................................................365

Full Kernel Core Dumps................................................................................................................... 366

Enabling TCP Dumps........................................................................................................................367

Accessing Port Extender Core and Mini Core Dumps.................................................................... 367

13 Dynamic Host Configuration Protocol (DHCP)........................................368

DHCP Packet Format and Options.................................................................................................. 368

Assign an IP Address using DHCP.................................................................................................... 370

Implementation Information.............................................................................................................371

Configure the System to be a DHCP Server.................................................................................... 372

Configuring the Server for Automatic Address Allocation........................................................ 372

Specifying a Default Gateway.....................................................................................................374

Configure a Method of Hostname Resolution...........................................................................374

Using DNS for Address Resolution............................................................................................. 374

Using NetBIOS WINS for Address Resolution............................................................................ 374

Creating Manual Binding Entries................................................................................................ 374

Debugging the DHCP Server...................................................................................................... 375

Using DHCP Clear Commands...................................................................................................375

Configure the System to be a Relay Agent...................................................................................... 375

Configure the System to be a DHCP Client.....................................................................................377

DHCP Client on a Management Interface..................................................................................377

DHCP Client Operation with Other Features.............................................................................378

11

Configure Secure DHCP...................................................................................................................378

Option 82.................................................................................................................................... 379

DHCP Snooping.......................................................................................................................... 379

Drop DHCP Packets on Snooped VLANs Only.......................................................................... 381

Dynamic ARP Inspection............................................................................................................ 382

Configuring Dynamic ARP Inspection........................................................................................383

Source Address Validation................................................................................................................384

Enabling IP Source Address Validation...................................................................................... 384

DHCP MAC Source Address Validation......................................................................................385

Enabling IP+MAC Source Address Validation............................................................................385

Viewing the Number of SAV Dropped Packets..........................................................................386

Clearing the Number of SAV Dropped Packets.........................................................................386

14 Equal Cost Multi-Path (ECMP)..................................................................... 387

ECMP for Flow-Based Affinity.......................................................................................................... 387

Enabling Deterministic ECMP Next Hop....................................................................................387

Configuring the Hash Algorithm Seed....................................................................................... 387

Link Bundle Monitoring.............................................................................................................. 388

Managing ECMP Group Paths..........................................................................................................388

Creating an ECMP Group Bundle.................................................................................................... 389

Modifying the ECMP Group Threshold............................................................................................389

BGP Multipath Operation with Link Bankwidth...............................................................................390

Dynamic Re-calculation of Link Bankwidth.................................................................................... 392

Weighted ECMP for Static Routes....................................................................................................392

ECMP Support in L3 Host and LPM Tables...................................................................................... 393

15 FCoE Transit.................................................................................................... 394

Fibre Channel over Ethernet............................................................................................................ 394

Ensure Robustness in a Converged Ethernet Network...................................................................394

FIP Snooping on Ethernet Bridges................................................................................................... 396

FIP Snooping in a Switch Stack........................................................................................................ 398

Using FIP Snooping...........................................................................................................................398

FIP Snooping Prerequisites.........................................................................................................398

Important Points to Remember................................................................................................. 399

Enabling the FCoE Transit Feature.............................................................................................399

Enable FIP Snooping on VLANs................................................................................................. 400

Configure the FC-MAP Value.....................................................................................................400

Configure a Port for a Bridge-to-Bridge Link........................................................................... 400

Configure a Port for a Bridge-to-FCF Link................................................................................400

Impact on Other Software Features.......................................................................................... 400

FIP Snooping Restrictions...........................................................................................................401

Configuring FIP Snooping................................................................................................................ 401

12

Displaying FIP Snooping Information.............................................................................................. 402

FCoE Transit Configuration Example.............................................................................................. 408

16 FIPS Cryptography......................................................................................... 410

Configuration Tasks..........................................................................................................................410

Preparing the System........................................................................................................................410

Enabling FIPS Mode...........................................................................................................................411

Generating Host-Keys....................................................................................................................... 411

Monitoring FIPS Mode Status............................................................................................................412

Disabling FIPS Mode..........................................................................................................................412

17 Flex Hash and Optimized Boot-Up............................................................. 414

Flex Hash Capability Overview......................................................................................................... 414

Configuring the Flex Hash Mechanism............................................................................................414

LACP Fast Switchover....................................................................................................................... 415

Configuring LACP Fast Switchover...................................................................................................415

LACP.................................................................................................................................................. 415

LACP Fast Switchover..................................................................................................................415

RDMA Over Converged Ethernet (RoCE) Overview........................................................................ 416

Sample Configurations......................................................................................................................417

......................................................................................................................................................417

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.............................................................420

18 Force10 Resilient Ring Protocol (FRRP).....................................................422

Protocol Overview............................................................................................................................422

Ring Status...................................................................................................................................423

Multiple FRRP Rings.................................................................................................................... 424

Important FRRP Points................................................................................................................424

Implementing FRRP.................................................................................................................... 424

Important FRRP Concepts..........................................................................................................425

FRRP Configuration.......................................................................................................................... 426

Creating the FRRP Group........................................................................................................... 426

Configuring the Control VLAN................................................................................................... 427

Configuring and Adding the Member VLANs............................................................................ 428

Setting the FRRP Timers............................................................................................................. 429

Clearing the FRRP Counters.......................................................................................................429

Viewing the FRRP Configuration................................................................................................430

Viewing the FRRP Information................................................................................................... 430

Troubleshooting FRRP......................................................................................................................430

Configuration Checks.................................................................................................................430

Sample Configuration and Topology.............................................................................................. 430

13

19 GARP VLAN Registration Protocol (GVRP)................................................ 433

Important Points to Remember....................................................................................................... 433

Configure GVRP................................................................................................................................434

Related Configuration Tasks...................................................................................................... 434

Enabling GVRP Globally....................................................................................................................435

Enabling GVRP on a Layer 2 Interface............................................................................................. 435

Configure GVRP Registration........................................................................................................... 435

Configure a GARP Timer.................................................................................................................. 436

20 High Availability (HA).................................................................................... 438

High Availability on Chassis..............................................................................................................438

High Availability in a PE Stack...........................................................................................................438

Online Insertion and Removal..........................................................................................................438

RPM Online Insertion..................................................................................................................439

Line Card Online Insertion..........................................................................................................439

Pre-configuring a Slot for a Line-Card Type............................................................................. 439

Replacing a Line Card.................................................................................................................440

Hitless Behavior................................................................................................................................ 440

Graceful Restart.................................................................................................................................441

Software Resiliency...........................................................................................................................441

System Health Monitoring.......................................................................................................... 441

Failure and Event Logging.......................................................................................................... 442

Trace Log.................................................................................................................................... 442

Core Dumps................................................................................................................................442

System Log..................................................................................................................................442

Control Plane Redundancy.............................................................................................................. 442

Control-Plane Failover............................................................................................................... 443

RPM Synchronization................................................................................................................. 444

Forcing an RPM Failover.............................................................................................................444

Specifying an Auto-Failover Limit.............................................................................................. 444

Disabling Auto-Reboot...............................................................................................................444

21 Internet Group Management Protocol (IGMP).........................................446

IGMP Implementation Information..................................................................................................446

IGMP Protocol Overview..................................................................................................................446

IGMP Version 2........................................................................................................................... 446

IGMP Version 3........................................................................................................................... 448

Configure IGMP.................................................................................................................................451

Related Configuration Tasks.......................................................................................................451

Viewing IGMP Enabled Interfaces.................................................................................................... 452

Selecting an IGMP Version............................................................................................................... 452

14

Viewing IGMP Groups.......................................................................................................................453

Enabling IGMP Immediate-Leave.....................................................................................................453

IGMP Snooping................................................................................................................................. 453

IGMP Snooping Implementation Information...........................................................................454

Configuring IGMP Snooping...................................................................................................... 454

Removing a Group-Port Association......................................................................................... 454

Disabling Multicast Flooding...................................................................................................... 455

Specifying a Port as Connected to a Multicast Router..............................................................455

Configuring the Switch as Querier.............................................................................................455

Fast Convergence after MSTP Topology Changes......................................................................... 456

Designating a Multicast Router Interface........................................................................................ 456

22 Interfaces.........................................................................................................458

Basic Interface Configuration.......................................................................................................... 458

Advanced Interface Configuration...................................................................................................458

Port Numbering................................................................................................................................ 459

Interface Types..................................................................................................................................461

View Basic Interface Information.....................................................................................................462

Resetting an Interface to its Factory Default State..........................................................................468

Enabling a Physical Interface........................................................................................................... 469

Physical Interfaces............................................................................................................................469

Port Pipes.................................................................................................................................... 470

Configuration Task List for Physical Interfaces..........................................................................470

Overview of Layer Modes...........................................................................................................470

Configuring Layer 2 (Data Link) Mode........................................................................................471

Configuring Layer 2 (Interface) Mode.........................................................................................471

Configuring Layer 3 (Network) Mode......................................................................................... 471

Configuring Layer 3 (Interface) Mode........................................................................................ 472

Egress Interface Selection (EIS)........................................................................................................ 473

Important Points to Remember..................................................................................................473

Configuring EIS............................................................................................................................473

Management Interfaces....................................................................................................................474

Configuring a Dedicated Management Interface .....................................................................474

Configuring a Management Interface on an Ethernet Port.......................................................475

Port Extender Interfaces...................................................................................................................476

VLAN Interfaces.................................................................................................................................477

Loopback Interfaces..........................................................................................................................477

Null Interfaces...................................................................................................................................478

Port Channel Interfaces....................................................................................................................478

Port Channel Definition and Standards......................................................................................478

Port Channel Benefits.................................................................................................................479

Port Channel Implementation....................................................................................................479

15

10/40 Gbps Interfaces in Port Channels....................................................................................479

Configuration Tasks for Port Channel Interfaces......................................................................480

Creating a Port Channel.............................................................................................................480

Adding a Physical Interface to a Port Channel..........................................................................480

Reassigning an Interface to a New Port Channel......................................................................483

Configuring the Minimum Oper Up Links in a Port Channel....................................................483

Adding or Removing a Port Channel from a VLAN................................................................... 484

Assigning an IP Address to a Port Channel................................................................................484

Deleting or Disabling a Port Channel.........................................................................................485

Load Balancing Through Port Channels....................................................................................485

Changing the Hash Algorithm....................................................................................................485

Bulk Configuration............................................................................................................................486

Interface Range...........................................................................................................................486

Bulk Configuration Examples.....................................................................................................486

Defining Interface Range Macros.................................................................................................... 488

Define the Interface Range........................................................................................................ 488

Choosing an Interface-Range Macro........................................................................................ 488

Monitoring and Maintaining Interfaces............................................................................................489

Maintenance Using TDR.............................................................................................................490

Displaying Traffic Statistics on HiGig Ports......................................................................................491

Link Bundle Monitoring.....................................................................................................................491

Monitoring HiGig Link Bundles........................................................................................................ 492

Guidelines for Monitoring HiGig Link-Bundles .........................................................................493

Enabling HiGig Link-Bundle Monitoring....................................................................................494

Non Dell-Qualified Transceivers......................................................................................................494

Splitting QSFP Ports to SFP+ Ports.................................................................................................. 495

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port......................................................496

Link Dampening................................................................................................................................497

Important Points to Remember................................................................................................. 497

Enabling Link Dampening...........................................................................................................498

Using Ethernet Pause Frames for Flow Control..............................................................................499

Threshold Settings......................................................................................................................500

Enabling Pause Frames...............................................................................................................500

Configure the MTU Size on an Interface..........................................................................................501

Auto-Negotiation on Ethernet Interfaces........................................................................................502

Set Auto-Negotiation Options................................................................................................... 502

View Advanced Interface Information............................................................................................. 503

Configuring the Interface Sampling Size...................................................................................504

Dynamic Counters............................................................................................................................505

Clearing Interface Counters....................................................................................................... 505

23 Internet Protocol Security (IPSec).............................................................. 507

16

Configuring IPSec ............................................................................................................................508

24 IPv4 Routing................................................................................................... 509

IP Addresses......................................................................................................................................509

Implementation Information......................................................................................................509

Configuration Tasks for IP Addresses.............................................................................................. 509

Assigning IP Addresses to an Interface............................................................................................ 510

Configuring Static Routes................................................................................................................. 511

Configure Static Routes for the Management Interface................................................................. 512

Enabling Directed Broadcast............................................................................................................ 512

Resolution of Host Names................................................................................................................513

Enabling Dynamic Resolution of Host Names.................................................................................513

Specifying the Local System Domain and a List of Domains.......................................................... 514

Configuring DNS with Traceroute....................................................................................................514

ARP.....................................................................................................................................................515

Configuration Tasks for ARP....................................................................................................... 515

Configuring Static ARP Entries....................................................................................................516

Configuring ARP Inspection Trust.............................................................................................. 516

Configuring ARP Timeout........................................................................................................... 517

Enabling Proxy ARP......................................................................................................................517

Clearing ARP Cache.....................................................................................................................517

ARP Learning via Gratuitous ARP................................................................................................518

Enabling ARP Learning via Gratuitous ARP.................................................................................518

ARP Learning via ARP Request....................................................................................................518

Configuring ARP Retries..............................................................................................................519

ICMP..................................................................................................................................................520

Configuration Tasks for ICMP.................................................................................................... 520

Enabling ICMP Unreachable Messages......................................................................................520

25 IPv6 Routing.................................................................................................... 521

Protocol Overview.............................................................................................................................521

Extended Address Space............................................................................................................. 521

Stateless Autoconfiguration........................................................................................................521

IPv6 Headers............................................................................................................................... 522

IPv6 Header Fields.......................................................................................................................523

Extension Header Fields..............................................................................................................524

IPv6 Addressing...........................................................................................................................525

IPv6 Implementation on the Dell Networking OS...........................................................................526

Configuring the LPM Table for IPv6 Extended Prefixes.................................................................. 528

ICMPv6.............................................................................................................................................. 529

Path MTU Discovery......................................................................................................................... 529

IPv6 Neighbor Discovery..................................................................................................................530

17

IPv6 Neighbor Discovery of MTU Packets..................................................................................531

Configuring the IPv6 Recursive DNS Server...............................................................................531

Secure Shell (SSH) Over an IPv6 Transport......................................................................................533

Configuration Tasks for IPv6............................................................................................................ 533

Adjusting Your CAM Profile........................................................................................................ 534

Assigning an IPv6 Address to an Interface.................................................................................534

Assigning a Static IPv6 Route......................................................................................................535

Configuring Telnet with IPv6......................................................................................................536

SNMP over IPv6...........................................................................................................................536

Displaying IPv6 Information....................................................................................................... 536

Displaying an IPv6 Configuration............................................................................................... 537

Displaying IPv6 Routes................................................................................................................538

Displaying the Running Configuration for an Interface............................................................ 539

Clearing IPv6 Routes...................................................................................................................539

Configuring IPv6 RA Guard.............................................................................................................. 540

26 Intermediate System to Intermediate System..........................................542

IS-IS Protocol Overview................................................................................................................... 542

IS-IS Addressing................................................................................................................................ 542

Multi-Topology IS-IS........................................................................................................................ 543

Transition Mode.......................................................................................................................... 543

Interface Support........................................................................................................................ 544

Adjacencies................................................................................................................................. 544

Graceful Restart................................................................................................................................ 544

Timers..........................................................................................................................................544

Implementation Information............................................................................................................545

Configuration Information............................................................................................................... 546

Configuration Tasks for IS-IS......................................................................................................546

Configuring the Distance of a Route..........................................................................................555

Changing the IS-Type.................................................................................................................555

Redistributing IPv4 Routes..........................................................................................................558

Redistributing IPv6 Routes..........................................................................................................559

Configuring Authentication Passwords......................................................................................559

Setting the Overload Bit............................................................................................................. 560

Debugging IS-IS...........................................................................................................................561

IS-IS Metric Styles............................................................................................................................. 562

Configure Metric Values................................................................................................................... 562

Maximum Values in the Routing Table...................................................................................... 563

Change the IS-IS Metric Style in One Level Only...................................................................... 563

Leaks from One Level to Another.............................................................................................. 564

Sample Configurations..................................................................................................................... 565

18

27 iSCSI Optimization.........................................................................................568

iSCSI Optimization Overview........................................................................................................... 568

Default iSCSI Optimization Values................................................................................................... 570

iSCSI Optimization Prerequisites......................................................................................................570

Configuring iSCSI Optimization....................................................................................................... 570

Displaying iSCSI Optimization Information......................................................................................573

Enable and Disable iSCSI Optimization............................................................................................574

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.............................................. 575

Monitoring iSCSI Traffic Flows..........................................................................................................575

Information Monitored in iSCSI Traffic Flows..................................................................................575

Detection and Auto-Configuration for Dell EqualLogic Arrays...................................................... 576

Configuring Detection and Ports for Dell Compellent Arrays.........................................................577

Application of Quality of Service to iSCSI Traffic Flows.................................................................. 577

28 Link Aggregation Control Protocol (LACP)...............................................579

Introduction to Dynamic LAGs and LACP........................................................................................579

Important Points to Remember..................................................................................................579

LACP Modes................................................................................................................................580

Configuring LACP Commands...................................................................................................580

LACP Configuration Tasks................................................................................................................ 581

Creating a LAG.............................................................................................................................581

Configuring the LAG Interfaces as Dynamic..............................................................................581

Setting the LACP Long Timeout.................................................................................................582

Monitoring and Debugging LACP.............................................................................................. 583

Shared LAG State Tracking............................................................................................................... 583

Configuring Shared LAG State Tracking.................................................................................... 584

Important Points about Shared LAG State Tracking..................................................................585

LACP Basic Configuration Example................................................................................................. 586

Configure a LAG on ALPHA........................................................................................................586

29 Layer 2..............................................................................................................594

Manage the MAC Address Table...................................................................................................... 594

Clearing the MAC Address Table................................................................................................594

Setting the Aging Time for Dynamic Entries..............................................................................594

Configuring a Static MAC Address............................................................................................. 595

Displaying the MAC Address Table.............................................................................................595

MAC Learning Limit...........................................................................................................................595

Setting the MAC Learning Limit..................................................................................................596

mac learning-limit Dynamic.......................................................................................................596

mac learning-limit mac-address-sticky.....................................................................................596

mac learning-limit station-move............................................................................................... 597

19

mac learning-limit no-station-move......................................................................................... 597

Learning Limit Violation Actions.................................................................................................597

Setting Station Move Violation Actions......................................................................................598

Recovering from Learning Limit and Station Move Violations..................................................598

NIC Teaming.....................................................................................................................................599

Configure Redundant Pairs..............................................................................................................600

Important Points about Configuring Redundant Pairs..............................................................602

Far-End Failure Detection................................................................................................................ 603

FEFD State Changes................................................................................................................... 604

Configuring FEFD........................................................................................................................605

Enabling FEFD on an Interface...................................................................................................606

Debugging FEFD......................................................................................................................... 607

30 Link Layer Discovery Protocol (LLDP)........................................................609

802.1AB (LLDP) Overview.................................................................................................................609

Protocol Data Units.................................................................................................................... 609

Optional TLVs....................................................................................................................................610

Management TLVs...................................................................................................................... 610

TIA-1057 (LLDP-MED) Overview...................................................................................................... 612

TIA Organizationally Specific TLVs............................................................................................. 613

Configure LLDP................................................................................................................................. 617

Related Configuration Tasks....................................................................................................... 617

Important Points to Remember..................................................................................................617

LLDP Compatibility......................................................................................................................618

CONFIGURATION versus INTERFACE Configurations....................................................................618

Enabling LLDP................................................................................................................................... 619

Disabling and Undoing LLDP...................................................................................................... 619

Enabling LLDP on Management Ports............................................................................................. 619

Disabling and Undoing LLDP on Management Ports................................................................ 619

Advertising TLVs................................................................................................................................620

Viewing the LLDP Configuration...................................................................................................... 621

Viewing Information Advertised by Adjacent LLDP Agents............................................................ 622

Configuring LLDPDU Intervals......................................................................................................... 623

Configuring Transmit and Receive Mode........................................................................................ 623

Configuring a Time to Live...............................................................................................................624

Debugging LLDP...............................................................................................................................625

Relevant Management Objects........................................................................................................626

31 Multicast Source Discovery Protocol (MSDP)...........................................632

Protocol Overview............................................................................................................................632

Anycast RP........................................................................................................................................ 634

Implementation Information............................................................................................................634

20

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