Dell PowerSwitch S5000 User manual

Dell 9.10(0.1) Configuration Guide for

the S5000 Switch

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.

laws. Dell and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and

names mentioned herein may be trademarks of their respective companies.

2016 - 05

Rev. A00

Contents

1 About this Guide..................................................................................................................... 39

Audience.................................................................................................................................... 39

Conventions.............................................................................................................................. 39

Related Documents.................................................................................................................40

2 Configuration Fundamentals............................................................................................... 41

Accessing the Command Line...............................................................................................41

CLI Modes.................................................................................................................................. 42

Navigating CLI Modes........................................................................................................43

Port Numbering Convention................................................................................................. 45

The do Command....................................................................................................................46

The no Command....................................................................................................................47

Obtaining Help..........................................................................................................................47

Entering and Editing Commands..........................................................................................48

Command History....................................................................................................................49

Filtering show Command Outputs.......................................................................................49

Multiple Users in Configuration Mode................................................................................. 51

3 Getting Started........................................................................................................................52

Accessing Ports.........................................................................................................................52

Accessing the RJ-45/RS-232 Console Port....................................................................... 52

Pin Assignments........................................................................................................................53

Accessing the CLI Interface and Running Scripts Using SSH..........................................53

Entering CLI commands Using an SSH Connection...................................................54

Executing Local CLI Scripts Using an SSH Connection............................................. 54

Default Configuration..............................................................................................................55

Accessing the USB-B Console Port......................................................................................55

Booting Process........................................................................................................................55

Enter the Initial Configuration Information........................................................................ 58

Configuring the Enable Password........................................................................................ 58

Configuring a Host Name.......................................................................................................59

Navigating CLI Modes............................................................................................................. 59

Default Configuration..............................................................................................................59

Configuring Layer 2 (Data Link) Mode................................................................................. 59

Accessing the System Remotely...........................................................................................60

Configure the Management Port IP Address..................................................................... 60

Configure a Management Route...........................................................................................61

Configuring a Username and Password.............................................................................. 61

3

Creating a Port-based VLAN.................................................................................................. 61

Assigning Interfaces to a VLAN..............................................................................................62

Assigning an IP Address to a VLAN....................................................................................... 62

Connect the S5000 to the Network.................................................................................... 63

Configure File Management.................................................................................................. 63

Copying Files to and from the System.................................................................................63

Important Points to Remember...................................................................................... 64

Mounting an NFS File System................................................................................................ 64

Important Points to Remember.......................................................................................65

Saving the Running-Configuration.......................................................................................66

Viewing Files.............................................................................................................................. 67

View Configuration Files.........................................................................................................68

Compressing Configuration Files......................................................................................... 68

Managing the File System........................................................................................................71

Enabling Software Features on Devices Using a Command Option.............................72

View Command History.......................................................................................................... 73

Upgrading and Downgrading Dell Networking OS...........................................................74

Verify Software Images Before Installation......................................................................... 74

Using HTTP for File Transfers.................................................................................................75

4 Switch Management.............................................................................................................. 77

Configuring Privilege Levels................................................................................................... 77

Creating a Custom Privilege Level.................................................................................. 77

Removing a Command from EXEC Mode...........................................................................77

Moving a Command from EXEC Privilege Mode to EXEC Mode................................... 78

Allowing Access to CONFIGURATION Mode Commands.............................................. 78

Allowing Access to the Following Modes........................................................................... 78

Applying a Privilege Level to a Username...........................................................................80

Applying a Privilege Level to a Terminal Line.....................................................................80

Configuring Logging................................................................................................................81

Log Messages in the Internal Buffer..................................................................................... 81

Configuration Task List for System Log Management................................................81

Disabling System Logging................................................................................................ 82

Sending System Messages to a Syslog Server..............................................................82

Configuring a UNIX System as a Syslog Server..................................................................82

Track Login Activity..................................................................................................................83

Restrictions for Tracking Login Activity......................................................................... 83

Configuring Login Activity Tracking............................................................................... 83

Display Login Statistics......................................................................................................84

Limit Concurrent Login Sessions.......................................................................................... 85

Restrictions for Limiting the Number of Concurrent Sessions.................................86

Configuring Concurrent Session Limit.......................................................................... 86

4

Enabling the System to Clear Existing Sessions...........................................................86

Changing System Logging Settings......................................................................................87

Display the Logging Buffer and the Logging Configuration...........................................88

Configuring a UNIX Logging Facility Level......................................................................... 89

Synchronizing Log Messages................................................................................................ 90

Enabling Timestamp on Syslog Messages...........................................................................91

File Transfer Services................................................................................................................91

Configuration Task List for File Transfer Services........................................................ 91

Enabling the FTP Server.................................................................................................... 92

Configuring FTP Server Parameters............................................................................... 92

Configuring FTP Client Parameters................................................................................ 93

Terminal Lines...........................................................................................................................93

Denying and Permitting Access to a Terminal Line.................................................... 94

Configuring Login Authentication for Terminal Lines......................................................94

Setting Time Out of EXEC Privilege Mode.......................................................................... 95

Using Telnet to get to Another Network Device...............................................................96

Lock CONFIGURATION Mode...............................................................................................97

Viewing the Configuration Lock Status......................................................................... 97

View the Configuration Lock Status.....................................................................................98

Recovering from a Forgotten Password............................................................................. 98

Recovering from a Forgotten Enable Password................................................................99

Recovering from a Failed Start.............................................................................................. 99

5 802.1ag................................................................................................................................... 101

Ethernet CFM...........................................................................................................................101

Maintenance Domains.......................................................................................................... 102

Maintenance Points............................................................................................................... 103

Maintenance End Points....................................................................................................... 103

Implementation Information............................................................................................... 104

Configuring the CFM.............................................................................................................104

Related Configuration Tasks.......................................................................................... 105

Enabling Ethernet CFM......................................................................................................... 105

Creating a Maintenance Domain........................................................................................ 105

Creating a Maintenance Association..................................................................................106

Create Maintenance Points..................................................................................................106

Creating a Maintenance End Point...............................................................................106

Creating a Maintenance Intermediate Point...............................................................107

Displaying the MP Databases......................................................................................... 107

Setting the MP Database Persistence...........................................................................108

Continuity Check Messages.................................................................................................108

Enabling CCM................................................................................................................... 109

Enabling Cross-Checking............................................................................................... 110

5

Sending Loopback Messages and Responses.................................................................. 110

Sending Linktrace Messages and Responses.................................................................... 111

Caching Link Trace........................................................................................................... 112

Enabling CFM SNMP Traps....................................................................................................113

Displaying Ethernet CFM Statistics......................................................................................114

6 802.1X..................................................................................................................................... 116

The Port-Authentication Process........................................................................................118

EAP over RADIUS....................................................................................................................120

RADIUS Attributes for 802.1 Support............................................................................120

Configuring 802.1X................................................................................................................ 120

Related Configuration Tasks...........................................................................................121

Important Points to Remember..................................................................................... 121

Enabling 802.1X...................................................................................................................... 122

Configuring MAC addresses for a do1x Profile................................................................ 124

Configuring Request Identity Re-Transmissions............................................................. 124

Configuring a Quiet Period after a Failed Authentication..............................................125

Forcibly Authorizing or Unauthorizing a Port.................................................................. 126

Re-Authenticating a Port...................................................................................................... 127

Configuring Timeouts........................................................................................................... 128

Configuring Dynamic VLAN Assignment with Port Authentication.............................129

Guest and Authentication-Fail VLANs................................................................................130

Configuring a Guest VLAN.............................................................................................. 131

Configuring an Authentication-Fail VLAN................................................................... 131

Configuring dot1x Profile .....................................................................................................133

Configuring the Static MAB and MAB Profile ...................................................................133

Configuring Critical VLAN ....................................................................................................134

7 Access Control List (ACL) VLAN Groups and Content Addressable Memory

(CAM)..........................................................................................................................................136

Optimizing CAM Utilization During the Attachment of ACLs to VLANs..................... 136

Guidelines for Configuring ACL VLAN Groups.................................................................137

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters..138

Configuring ACL VLAN Groups......................................................................................138

Configuring FP Blocks for VLAN Parameters..............................................................139

Viewing CAM Usage.............................................................................................................. 140

Allocating FP Blocks for VLAN Processes..........................................................................141

8 Access Control Lists (ACLs)................................................................................................ 143

IP Access Control Lists (ACLs)............................................................................................. 144

CAM Allocation and CAM Optimization............................................................................ 144

User Configurable CAM Allocation...............................................................................145

6

CAM Optimization............................................................................................................145

Test CAM Usage................................................................................................................145

View CAM-ACL Settings..................................................................................................146

View CAM Usage.............................................................................................................. 148

QoS CAM Region Limitation.......................................................................................... 148

Implementing ACLs on Dell Networking OS....................................................................149

ACLs and VLANs................................................................................................................149

ACL Optimization............................................................................................................. 149

Determine the Order in which ACLs are Used to Classify Traffic.......................... 149

IP Fragment Handling............................................................................................................150

IP Fragments ACL Examples........................................................................................... 151

Layer 4 ACL Rules Examples...........................................................................................151

Configure a Standard IP ACL................................................................................................152

Configuring a Standard IP ACL Filter............................................................................ 153

Configure an Extended IP ACL............................................................................................ 154

Configuring Filters with a Sequence Number............................................................ 154

Configuring Filters Without a Sequence Number......................................................155

Established Flag.......................................................................................................................156

Configure Layer 2 and Layer 3 ACLs.................................................................................. 156

Assign an IP ACL to an Interface..........................................................................................157

Applying an IP ACL............................................................................................................157

Counting ACL Hits............................................................................................................158

Configure Ingress ACLs.........................................................................................................158

Configure Egress ACLs..........................................................................................................159

Applying Egress Layer 3 ACLs (Control-Plane).......................................................... 160

Configure ACLs to Loopback.............................................................................................. 160

Applying an ACL on Loopback Interfaces......................................................................... 161

IP Prefix Lists............................................................................................................................162

Implementation Information..........................................................................................162

Configuration Task List for Prefix Lists.........................................................................163

Creating a Prefix List.............................................................................................................. 163

Creating a Prefix List Without a Sequence Number..................................................164

Viewing Prefix Lists...........................................................................................................165

Applying a Prefix List for Route Redistribution...........................................................165

Applying a Filter to a Prefix List (OSPF)........................................................................ 166

ACL Resequencing................................................................................................................. 167

Resequencing an ACL or Prefix List.............................................................................. 167

Route Maps..............................................................................................................................169

Implementation Information..........................................................................................169

Important Points to Remember.................................................................................... 169

Configuration Task List for Route Maps...................................................................... 169

Creating a Route Map......................................................................................................170

7

Configure Route Map Filters........................................................................................... 171

Configuring Match Routes..............................................................................................172

Configuring Set Conditions............................................................................................ 173

Configure a Route Map for Route Redistribution...................................................... 175

Configure a Route Map for Route Tagging.................................................................175

Continue Clause............................................................................................................... 176

9 Bidirectional Forwarding Detection (BFD).......................................................................177

How BFD Works......................................................................................................................178

BFD Packet Format.................................................................................................................179

BFD Sessions............................................................................................................................181

BFD Three-Way Handshake................................................................................................. 181

Session State Changes.......................................................................................................... 183

Important Points to Remember.....................................................................................183

Configure BFD........................................................................................................................ 184

Configure BFD for Physical Ports..................................................................................184

Configure BFD for Static Routes................................................................................... 187

Configure BFD for OSPF................................................................................................. 189

Configure BFD for IS-IS...................................................................................................193

Configure BFD for BGP................................................................................................... 196

Configuring Protocol Liveness......................................................................................203

Troubleshooting BFD............................................................................................................203

10 Border Gateway Protocol IPv4 (BGPv4)........................................................................ 205

Autonomous Systems (AS)...................................................................................................206

Sessions and Peers................................................................................................................ 209

Establish a Session........................................................................................................... 209

Route Reflectors.....................................................................................................................210

Communities........................................................................................................................... 211

BGP Attributes..........................................................................................................................211

Best Path Selection Criteria.............................................................................................211

Weight.......................................................................................................................................213

Local Preference.....................................................................................................................214

Multi-Exit Discriminators (MEDs)...................................................................................214

Origin.........................................................................................................................................215

AS Path......................................................................................................................................216

Next Hop.................................................................................................................................. 216

Multiprotocol BGP..................................................................................................................217

Implement BGP with Dell Networking OS........................................................................ 217

Additional Path (Add-Path) Support..............................................................................217

Advertise IGP Cost as MED for Redistributed Routes............................................... 218

Ignore Router-ID for Some Best-Path Calculations................................................. 219

8

Four-Byte AS Numbers....................................................................................................219

AS4 Number Representation..........................................................................................219

AS Number Migration............................................................................................................ 221

BGP4 Management Information Base (MIB).....................................................................223

Important Points to Remember.................................................................................... 223

Configuration Information...................................................................................................224

BGP Configuration...........................................................................................................224

Enabling BGP...........................................................................................................................225

Configuring AS4 Number Representations...................................................................... 229

Configuring Peer Groups......................................................................................................231

Configuring BGP Fast Fall-Over..........................................................................................234

Configuring Passive Peering................................................................................................ 235

Maintaining Existing AS Numbers During an AS Migration........................................... 236

Allowing an AS Number to Appear in its Own AS Path.................................................. 237

Enabling Graceful Restart.....................................................................................................238

Enabling Neighbor Graceful Restart.................................................................................. 239

Filtering on an AS-Path Attribute........................................................................................240

Regular Expressions as Filters........................................................................................ 241

Filtering BGP Routes Using AS-PATH Information......................................................... 243

Redistributing Routes............................................................................................................244

Enabling Additional Paths.....................................................................................................245

Configuring IP Community Lists.........................................................................................245

Filtering Routes with Community Lists..............................................................................247

Manipulating the COMMUNITY Attribute..........................................................................247

Changing MED Attributes.....................................................................................................249

Changing the LOCAL_PREFERENCE Attribute................................................................ 249

Configuring the local System or a Different System to be the Next Hop for

BGP-Learned Routes.............................................................................................................250

Changing the WEIGHT Attribute......................................................................................... 251

Enabling Multipath..................................................................................................................251

Filtering BGP Routes Using Route Maps........................................................................... 252

Filtering BGP Routes Using AS-PATH Information......................................................... 253

Filtering BGP Routes..............................................................................................................253

Filtering BGP Routes Using Route Maps......................................................................255

Filtering BGP Routes Using AS-PATH Information................................................... 256

Configuring BGP Route Reflectors.....................................................................................257

Aggregating Routes............................................................................................................... 257

Configuring BGP Confederations.......................................................................................258

Enabling Route Flap Dampening........................................................................................ 259

Changing BGP Timers........................................................................................................... 261

Enabling BGP Neighbor Soft-Reconfiguration................................................................262

Route Map Continue............................................................................................................. 263

9

Match a Clause with a Continue Clause..................................................................... 264

Set a Clause with a Continue Clause...........................................................................264

Enabling MBGP Configurations.......................................................................................... 264

BGP Regular Expression Optimization.............................................................................. 265

Debugging BGP......................................................................................................................265

Storing Last and Bad PDUs.............................................................................................266

Capturing PDUs................................................................................................................ 267

PDU Counters...................................................................................................................268

Sample Configurations......................................................................................................... 268

11 Bare Metal Provisioning (BMP).........................................................................................278

Prerequisites............................................................................................................................278

Restrictions.............................................................................................................................. 279

Reconfiguring Jumpstart and Normal Modes..................................................................279

Jumpstart Mode.....................................................................................................................280

DHCP Server/Configuration.......................................................................................... 280

MAC-Based IP Assignment............................................................................................ 282

DHCP Retry Mechanism................................................................................................. 283

File Server.................................................................................................................................283

Domain Name Server............................................................................................................284

Switch Boot and Set-up Behavior in Jumpstart Mode.................................................. 284

12 Content Addressable Memory (CAM)............................................................................. 287

CAM Allocation....................................................................................................................... 287

Re-Allocating CAM for Ingress ACLs and QoS................................................................288

Re-Allocating CAM for Egress ACLs.................................................................................. 289

Testing CAM Usage for QoS Policies.................................................................................290

Displaying CAM-ACL Settings..............................................................................................291

Displaying CAM-ACL-Egress Settings................................................................................291

CAM Optimization................................................................................................................. 292

Troubleshoot CAM Profiling.......................................................................................... 292

13 Control Plane Policing (CoPP)......................................................................................... 293

Configure Control Plane Policing.......................................................................................295

Configuring CoPP for Protocols.........................................................................................295

Configuring CoPP for CPU Queues...................................................................................297

Show Commands.................................................................................................................. 298

14 Data Center Bridging (DCB).............................................................................................300

Ethernet Enhancements in Data Center Bridging.......................................................... 300

Priority-Based Flow Control.......................................................................................... 302

Enhanced Transmission Selection................................................................................303

10

Data Center Bridging Exchange Protocol (DCBx).....................................................304

Data Center Bridging in a Traffic Flow.........................................................................305

Enabling Data Center Bridging............................................................................................305

DCB Maps and its Attributes.......................................................................................... 306

Data Center Bridging: Default Configuration.................................................................. 307

Configuring Priority-Based Flow Control.........................................................................308

Configuring Lossless Queues........................................................................................309

Configuring PFC in a DCB Map...........................................................................................310

PFC Configuration Notes................................................................................................310

PFC Prerequisites and Restrictions................................................................................311

Applying a DCB Map on a Port............................................................................................ 312

Configuring PFC without a DCB Map................................................................................ 312

Configuring Lossless QueuesExample:........................................................................313

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

Pause and Resume of Traffic..........................................................................................315

Buffer Sizes for Lossless or PFC Packets..................................................................... 315

Behavior of Tagged Packets.................................................................................................316

Configuration Example for DSCP and PFC Priorities...................................................... 317

Using PFC to Manage Converged Ethernet Traffic.........................................................318

Configure Enhanced Transmission Selection.................................................................. 318

ETS Prerequisites and Restrictions................................................................................318

Creating an ETS Priority Group......................................................................................318

ETS Operation with DCBx.............................................................................................. 320

Configuring Bandwidth Allocation for DCBx CIN.....................................................320

Configuring ETS in a DCB Map......................................................................................321

Hierarchical Scheduling in ETS Output Policies.............................................................. 323

Using ETS to Manage Converged Ethernet Traffic......................................................... 324

Applying DCB Policies in a Switch Stack...........................................................................324

Configure a DCBx Operation.............................................................................................. 324

DCBx Operation................................................................................................................325

DCBx Port Roles............................................................................................................... 325

DCB Configuration Exchange........................................................................................327

Configuration Source Election...................................................................................... 327

Propagation of DCB Information..................................................................................328

Auto-Detection and Manual Configuration of the DCBx Version.........................328

DCBx Example.................................................................................................................. 329

DCBx Prerequisites and Restrictions............................................................................329

Configuring DCBx............................................................................................................330

Verifying the DCB Configuration........................................................................................334

Sample DCB Configuration................................................................................................. 344

PFC and ETS Configuration Command Examples....................................................346

QoS dot1p Traffic Classification and Queue Assignment............................................. 347

11

Configuring the Dynamic Buffer Method......................................................................... 348

15 Dynamic Host Configuration Protocol (DHCP)............................................................350

DHCP Packet Format and Options.................................................................................... 350

Assign an IP Address using DHCP.......................................................................................352

Implementation Information............................................................................................... 353

Configuration Tasks...............................................................................................................354

Configure the System to be a DHCP Server.....................................................................354

Configuration Tasks.........................................................................................................355

Configuring the Server for Automatic Address Allocation...................................... 355

Specifying a Default Gateway........................................................................................356

Enabling the DHCP Server..............................................................................................357

Configure a Method of Hostname Resolution...........................................................357

Creating Manual Binding Entries...................................................................................358

Debugging the DHCP Server......................................................................................... 359

Using DHCP Clear Commands..................................................................................... 359

Configure the System to be a Relay Agent...................................................................... 360

Configure the System for User Port Stacking.................................................................. 362

Configure Secure DHCP.......................................................................................................362

Option 82...........................................................................................................................362

DHCP Snooping............................................................................................................... 363

Drop DHCP Packets on Snooped VLANs Only..........................................................365

Dynamic ARP Inspection................................................................................................ 365

Source Address Validation..............................................................................................367

Viewing the Number of SAV Dropped Packets................................................................369

Clearing the Number of SAV Dropped Packets...............................................................370

16 Equal Cost Multi-Path (ECMP)..........................................................................................371

ECMP for Flow-Based Affinity..............................................................................................371

Configuring the Hash Algorithm......................................................................................... 371

Enabling Deterministic ECMP Next Hop............................................................................371

Configuring the Hash Algorithm Seed...............................................................................372

Link Bundle Monitoring.........................................................................................................372

Managing ECMP Group Paths............................................................................................. 373

Creating an ECMP Group Bundle....................................................................................... 374

Modifying the ECMP Group Threshold............................................................................. 374

17 Fabric Services.....................................................................................................................376

Configuring Switch Mode to Fabric Services....................................................................377

Name Server............................................................................................................................378

Link State Database................................................................................................................379

Inter Switch Link (ISL)...................................................................................................... 379

12

Principal Switch Selection and Domain ID Assignment...........................................379

Route Table....................................................................................................................... 380

Zoning...................................................................................................................................... 380

Creating Zone and Adding Members...........................................................................380

Creating Zone Alias and Adding Members..................................................................381

Creating Zonesets............................................................................................................ 381

Activating a Zoneset........................................................................................................ 382

Zone Merge (within ISL)..................................................................................................382

Configuring Fabric Parameters..................................................................................... 382

Displaying the Fabric Parameters................................................................................. 383

18 FCoE Transit........................................................................................................................ 389

Fibre Channel over Ethernet................................................................................................389

Ensure Robustness in a Converged Ethernet Network................................................. 389

FIP Snooping on Ethernet Bridges......................................................................................391

FIP Snooping in a Switch Stack...........................................................................................394

Using FIP Snooping............................................................................................................... 394

Enable the FCoE Transit Feature...................................................................................394

FIP Snooping Prerequisites.............................................................................................395

Important Points to Remember.................................................................................... 395

Enabling the FCoE Transit Feature............................................................................... 396

Enable FIP Snooping on VLANs.....................................................................................397

Configure the FC-MAP Value........................................................................................ 397

Configure a Port for a Bridge-to-Bridge Link............................................................ 397

Configure a Port for a Bridge-to-FCF Link.................................................................398

Impact on Other Software Features.............................................................................398

FIP Snooping on an NPIV Proxy Gateway...................................................................399

FIP Snooping in an S5000 Stack...................................................................................399

Impact on Other Software Features.............................................................................399

FIP Snooping Restrictions.............................................................................................. 400

Configuring FIP Snooping..............................................................................................400

Displaying FIP Snooping Information.......................................................................... 401

FCoE Transit Configuration Example.................................................................................407

19 FIPS Cryptography.............................................................................................................409

Configuration Tasks.............................................................................................................. 409

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

Enabling FIPS Mode............................................................................................................... 410

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

Monitoring FIPS Mode Status............................................................................................... 411

Disabling FIPS Mode...............................................................................................................411

13

20 Fibre Channel Interface.................................................................................................... 413

Configure Fibre Channel Interfaces................................................................................... 413

Enabling Fibre Channel Capability......................................................................................413

Configuring Fibre Channel Interfaces................................................................................414

Displaying Fibre Channel Information............................................................................... 414

Troubleshooting Fibre Channel Operation.......................................................................417

Configuring the Fibre Channel Port Group in Passthrough Ethernet Mode............. 419

Displaying Fibre Channel Port Group Mode Information............................................. 420

21 Force10 Resilient Ring Protocol (FRRP)......................................................................... 421

Protocol Overview................................................................................................................. 421

Ring Status.........................................................................................................................424

Multiple FRRP Rings......................................................................................................... 425

Important FRRP Points....................................................................................................426

Important FRRP Concepts..............................................................................................427

Implementing FRRP...............................................................................................................428

FRRP Configuration............................................................................................................... 429

Creating the FRRP Group............................................................................................... 429

Configuring the Control VLAN......................................................................................429

Configuring and Adding the Member VLANs............................................................. 431

Setting the FRRP Timers................................................................................................. 432

Clearing the FRRP Counters.......................................................................................... 432

Viewing the FRRP Configuration...................................................................................432

Viewing the FRRP Information...................................................................................... 433

Troubleshooting FRRP.......................................................................................................... 433

Configuration Checks..................................................................................................... 433

Sample Configuration and Topology................................................................................ 434

22 GARP VLAN Registration Protocol (GVRP)....................................................................436

Important Points to Remember..........................................................................................436

Configure GVRP......................................................................................................................437

Related Configuration Tasks..........................................................................................438

Enabling GVRP Globally........................................................................................................438

Enabling GVRP on a Layer 2 Interface...............................................................................438

Configure GVRP Registration.............................................................................................. 439

Configure a GARP Timer...................................................................................................... 439

23 High Availability (HA).........................................................................................................441

High Availability on Stacks....................................................................................................441

Hitless Behavior...................................................................................................................... 441

Graceful Restart......................................................................................................................442

14

Software Resiliency................................................................................................................442

System Health Monitoring..............................................................................................442

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

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

Core Dumps......................................................................................................................443

System Log........................................................................................................................ 443

Hot-Lock Behavior................................................................................................................ 443

Component Redundancy.....................................................................................................443

Automatic and Manual Stack Unit Failover.................................................................444

Synchronization between Management and Standby Units...................................445

Forcing an Stack Unit Failover.......................................................................................445

Specifying an Auto-Failover Limit.................................................................................445

Disabling Auto-Reboot................................................................................................... 446

Manually Synchronizing Management and Standby Units......................................446

24 Internet Group Management Protocol (IGMP)............................................................ 447

IGMP Implementation Information....................................................................................447

IGMP Protocol Overview......................................................................................................448

IGMP Version 2.................................................................................................................448

Join a Multicast Group....................................................................................................449

Leaving a Multicast Group..............................................................................................449

IGMP Version 3.................................................................................................................449

Configure IGMP......................................................................................................................453

Related Configuration Tasks..........................................................................................453

Viewing IGMP Enabled Interfaces...................................................................................... 454

Selecting an IGMP Version...................................................................................................454

Viewing IGMP Groups........................................................................................................... 455

Adjusting Timers.....................................................................................................................455

Adjusting Query and Response Timers........................................................................455

Enabling IGMP Immediate-Leave.......................................................................................456

IGMP Snooping.......................................................................................................................457

IGMP Snooping Implementation Information............................................................457

Configuring IGMP Snooping..........................................................................................457

Removing a Group-Port Association...........................................................................458

Enabling IGMP Immediate-Leave.................................................................................458

Disabling Multicast Flooding..........................................................................................459

Specifying a Port as Connected to a Multicast Router............................................ 459

Configuring the Switch as Querier...............................................................................459

Fast Convergence after MSTP Topology Changes.........................................................460

Egress Interface Selection (EIS) for HTTP and IGMP Applications..............................460

Protocol Separation......................................................................................................... 461

Enabling and Disabling Management Egress Interface Selection......................... 462

15

Handling of Management Route Configuration........................................................463

Handling of Switch-Initiated Traffic.............................................................................464

Handling of Switch-Destined Traffic........................................................................... 465

Handling of Transit Traffic (Traffic Separation)..........................................................465

Mapping of Management Applications and Traffic Type.........................................466

Behavior of Various Applications for Switch-Initiated Traffic ................................467

Behavior of Various Applications for Switch-Destined Traffic ..............................468

Interworking of EIS With Various Applications.......................................................... 469

Designating a Multicast Router Interface..........................................................................470

25 Interfaces............................................................................................................................. 471

Basic Interface Configuration.............................................................................................. 471

Advanced Interface Configuration......................................................................................471

Interface Types....................................................................................................................... 472

View Basic Interface Information........................................................................................473

Resetting an Interface to its Factory Default State..........................................................475

Enabling Energy Efficient Ethernet.....................................................................................475

View EEE Information............................................................................................................476

Clear EEE Counters................................................................................................................481

Enabling a Physical Interface...............................................................................................482

Physical Interfaces................................................................................................................. 482

Configuration Task List for Physical Interfaces..........................................................482

Overview of Layer Modes...............................................................................................483

Configuring Layer 2 (Data Link) Mode.........................................................................483

Configuring Layer 2 (Interface) Mode......................................................................... 484

Configuring Layer 3 (Network) Mode..........................................................................484

Configuring Layer 3 (Interface) Mode..........................................................................485

Egress Interface Selection (EIS)...........................................................................................485

Important Points to Remember....................................................................................486

Configuring EIS.................................................................................................................486

Management Interfaces........................................................................................................486

Configuring Management Interfaces...........................................................................486

Configuring a Management Interface on an Ethernet Port....................................488

VLAN Interfaces......................................................................................................................489

Loopback Interfaces..............................................................................................................490

Null Interfaces........................................................................................................................ 490

Port Channel Interfaces........................................................................................................ 491

Port Channel Definition and Standards....................................................................... 491

Port Channel Benefits......................................................................................................491

Port Channel Implementation.......................................................................................491

Interfaces in Port Channels............................................................................................492

Configuration Tasks for Port Channel Interfaces......................................................493

16

Creating a Port Channel................................................................................................. 493

Adding a Physical Interface to a Port Channel.......................................................... 493

Reassigning an Interface to a New Port Channel..................................................... 495

Configuring the Minimum Oper Up Links in a Port Channel................................. 496

Adding or Removing a Port Channel from a VLAN...................................................497

Assigning an IP Address to a Port Channel................................................................ 498

Deleting or Disabling a Port Channel.......................................................................... 498

Load Balancing Through Port Channels.....................................................................499

Changing the Hash Algorithm.......................................................................................499

Bulk Configuration................................................................................................................ 500

Interface Range................................................................................................................ 500

Bulk Configuration Examples.........................................................................................501

Defining Interface Range Macros.......................................................................................502

Define the Interface Range............................................................................................ 503

Choosing an Interface-Range Macro.......................................................................... 503

Monitoring and Maintaining Interfaces............................................................................. 503

Maintenance Using TDR.................................................................................................504

Splitting QSFP Ports to SFP+ Ports.....................................................................................505

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..........................................506

Important Points to Remember....................................................................................506

Example Scenarios........................................................................................................... 507

Configuring wavelength for 10–Gigabit SFP+ optics..................................................... 511

Link Dampening...................................................................................................................... 511

Important Points to Remember..................................................................................... 511

Enabling Link Dampening............................................................................................... 512

Link Bundle Monitoring......................................................................................................... 513

Using Ethernet Pause Frames for Flow Control...............................................................514

Enabling Pause Frames....................................................................................................515

Configure the MTU Size on an Interface...........................................................................515

Port-Pipes................................................................................................................................ 516

Auto-Negotiation on Ethernet Interfaces..........................................................................517

Setting the Speed and Duplex Mode of Ethernet Interfaces................................... 517

Set Auto-Negotiation Options.......................................................................................519

View Advanced Interface Information...............................................................................520

Configuring the Interface Sampling Size.................................................................... 520

Dynamic Counters................................................................................................................. 521

Clearing Interface Counters...........................................................................................522

26 Internet Protocol Security (IPSec).................................................................................. 523

Configuring IPSec ................................................................................................................. 524

27 IPv4 Routing........................................................................................................................525

17

IP Addresses............................................................................................................................ 526

Implementation Information......................................................................................... 526

Configuration Tasks for IP Addresses................................................................................ 526

Assigning IP Addresses to an Interface..............................................................................527

Configuring Static Routes.................................................................................................... 528

Configure Static Routes for the Management Interface............................................... 529

IPv4 Path MTU Discovery Overview...................................................................................529

Using the Configured Source IP Address in ICMP Messages....................................... 530

Configuring the ICMP Source Interface......................................................................530

Configuring the Duration to Establish a TCP Connection.............................................531

Enabling Directed Broadcast................................................................................................531

Resolution of Host Names................................................................................................... 532

Enabling Dynamic Resolution of Host Names.................................................................532

Specifying the Local System Domain and a List of Domains........................................533

Configuring DNS with Traceroute......................................................................................533

ARP............................................................................................................................................534

Configuration Tasks for ARP................................................................................................534

Configuring Static ARP Entries............................................................................................ 535

Enabling Proxy ARP................................................................................................................535

Clearing ARP Cache...............................................................................................................536

ARP Learning via Gratuitous ARP........................................................................................536

Enabling ARP Learning via Gratuitous ARP....................................................................... 537

ARP Learning via ARP Request.............................................................................................537

Configuring ARP Retries....................................................................................................... 538

ICMP..........................................................................................................................................539

Configuration Tasks for ICMP............................................................................................. 539

Enabling ICMP Unreachable Messages............................................................................. 539

UDP Helper............................................................................................................................. 540

Configure UDP Helper....................................................................................................540

Important Points to Remember....................................................................................540

Enabling UDP Helper............................................................................................................ 540

Configuring a Broadcast Address........................................................................................541

Configurations Using UDP Helper...................................................................................... 541

UDP Helper with Broadcast-All Addresses.......................................................................542

UDP Helper with Subnet Broadcast Addresses............................................................... 543

UDP Helper with Configured Broadcast Addresses....................................................... 543

UDP Helper with No Configured Broadcast Addresses.................................................544

Troubleshooting UDP Helper..............................................................................................544

28 IPv6 Routing....................................................................................................................... 546

Protocol Overview.................................................................................................................546

Extended Address Space................................................................................................ 546

18

Stateless Autoconfiguration...........................................................................................546

IPv6 Headers......................................................................................................................547

IPv6 Header Fields............................................................................................................548

Extension Header Fields..................................................................................................550

Addressing..........................................................................................................................551

Implementing IPv6 with Dell Networking OS.................................................................. 552

ICMPv6................................................................................................................................552

Path MTU Discovery........................................................................................................ 553

IPv6 Neighbor Discovery................................................................................................ 553

Secure Shell (SSH) Over an IPv6 Transport.................................................................554

Configuration Tasks for IPv6................................................................................................555

Adjusting Your CAM-Profile........................................................................................... 555

Assigning an IPv6 Address to an Interface..................................................................556

Assigning a Static IPv6 Route.........................................................................................556

Configuring Telnet with IPv6......................................................................................... 557

SNMP over IPv6.................................................................................................................557

Showing IPv6 Information..............................................................................................558

Showing an IPv6 Interface..............................................................................................558

Showing IPv6 Routes.......................................................................................................559

Showing the Running-Configuration for an Interface.............................................560

Clearing IPv6 Routes........................................................................................................561

Configuring IPv6 RA Guard.................................................................................................. 561

Configuring IPv6 RA Guard on an Interface...............................................................563

Monitoring IPv6 RA Guard..............................................................................................564

29 iSCSI Optimization.............................................................................................................565

iSCSI Optimization Overview...............................................................................................565

Monitoring iSCSI Traffic Flows...................................................................................... 566

Application of Quality of Service to iSCSI Traffic Flows...........................................567

Information Monitored in iSCSI Traffic Flows............................................................ 567

Detection and Auto-Configuration for Dell EqualLogic Arrays............................. 568

Configuring Detection and Ports for Dell Compellent Arrays................................568

Enable and Disable iSCSI Optimization.......................................................................569

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

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

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

Displaying iSCSI Optimization Information...................................................................... 572

30 Intermediate System to Intermediate System..............................................................574

IS-IS Protocol Overview........................................................................................................574

IS-IS Addressing......................................................................................................................575

Multi-Topology IS-IS............................................................................................................. 575

19

Transition Mode................................................................................................................576

Interface Support..............................................................................................................576

Adjacencies........................................................................................................................576

Graceful Restart...................................................................................................................... 577

Timers..................................................................................................................................577

Implementation Information................................................................................................577

Configuration Information................................................................................................... 578

Configuration Tasks for IS-IS......................................................................................... 579

Configuring the Distance of a Route........................................................................... 588

Changing the IS-Type..................................................................................................... 588

IS-IS Metric Styles...................................................................................................................593

Configure Metric Values.......................................................................................................594

Maximum Values in the Routing Table........................................................................594

Change the IS-IS Metric Style in One Level Only......................................................594

Leaks from One Level to Another.................................................................................596

Sample Configurations..........................................................................................................597

31 Link Aggregation Control Protocol (LACP)...................................................................600

Introduction to Dynamic LAGs and LACP........................................................................600

Important Points to Remember....................................................................................600

LACP Modes...................................................................................................................... 601

Configuring LACP Commands...................................................................................... 601

LACP Configuration Tasks................................................................................................... 602

Creating a LAG..................................................................................................................602

Configuring the LAG Interfaces as Dynamic..............................................................603

Setting the LACP Long Timeout................................................................................... 603

Monitoring and Debugging LACP................................................................................ 604

Shared LAG State Tracking.................................................................................................. 604

Configuring Shared LAG State Tracking......................................................................605

Important Points about Shared LAG State Tracking.................................................607

LACP Basic Configuration Example................................................................................... 607

Configure a LAG on ALPHA........................................................................................... 607

32 Layer 2.................................................................................................................................. 616

Manage the MAC Address Table......................................................................................... 616

Clearing the MAC Address Table...................................................................................616

Setting the Aging Time for Dynamic Entries...............................................................616

Configuring a Static MAC Address................................................................................ 617

Displaying the MAC Address Table............................................................................... 617

MAC Learning Limit................................................................................................................617

mac learning-limit Dynamic.......................................................................................... 618

mac learning-limit mac-address-sticky...................................................................... 618

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Dell PowerSwitch S5000 User manual

Dell PowerSwitch S5000 User manual

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