Dell PowerSwitch S4810P Owner's manual

Dell Configuration Guide for the S4810

System

9.6(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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2014 - 09

Rev. A00

Contents

1 About this Guide..................................................................................................35

Audience..............................................................................................................................................35

Conventions........................................................................................................................................ 35

Related Documents.............................................................................................................................35

2 Configuration Fundamentals........................................................................... 36

Accessing the Command Line............................................................................................................36

CLI Modes............................................................................................................................................36

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

The do Command............................................................................................................................... 41

Undoing Commands...........................................................................................................................41

Obtaining Help.................................................................................................................................... 42

Entering and Editing Commands....................................................................................................... 42

Command History...............................................................................................................................43

Filtering show Command Outputs.....................................................................................................44

Multiple Users in Configuration Mode............................................................................................... 45

3 Getting Started....................................................................................................46

Console Access...................................................................................................................................46

Serial Console................................................................................................................................46

Accessing the CLI Interface and Running Scripts Using SSH............................................................ 47

S4810 ............................................................................................................................................ 47

Entering CLI commands Using an SSH Connection................................................................... 48

Executing Local CLI Scripts Using an SSH Connection...............................................................48

Default Configuration......................................................................................................................... 49

Configuring a Host Name...................................................................................................................49

Accessing the System Remotely........................................................................................................ 49

Accessing the System Remotely...................................................................................................49

Configure the Management Port IP Address............................................................................... 49

Configure a Management Route..................................................................................................50

Configuring a Username and Password.......................................................................................50

Configuring the Enable Password......................................................................................................50

Configuration File Management......................................................................................................... 51

Copy Files to and from the System...............................................................................................51

Save the Running-Configuration..................................................................................................52

Configure the Overload Bit for a Startup Scenario...................................................................... 53

Viewing Files.................................................................................................................................. 53

Compressing Configuration Files................................................................................................. 54

Managing the File System................................................................................................................... 57

Enabling Software Features on Devices Using a Command Option................................................ 58

View Command History......................................................................................................................59

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

Using Hashes to Validate Software Images........................................................................................59

Using HTTP for File Transfers.............................................................................................................60

4 Management........................................................................................................61

Configuring Privilege Levels................................................................................................................61

Creating a Custom Privilege Level................................................................................................61

Removing a Command from EXEC Mode....................................................................................61

Moving a Command from EXEC Privilege Mode to EXEC Mode................................................ 62

Allowing Access to CONFIGURATION Mode Commands.......................................................... 62

Allowing Access to the Following Modes.................................................................................... 62

Applying a Privilege Level to a Username.................................................................................... 64

Applying a Privilege Level to a Terminal Line...............................................................................64

Configuring Logging...........................................................................................................................64

Audit and Security Logs.................................................................................................................65

Configuring Logging Format .......................................................................................................67

Display the Logging Buffer and the Logging Configuration........................................................67

Setting Up a Secure Connection to a Syslog Server....................................................................68

Sending System Messages to a Syslog Server..............................................................................69

Log Messages in the Internal Buffer...................................................................................................69

Configuration Task List for System Log Management................................................................ 69

Disabling System Logging.................................................................................................................. 69

Sending System Messages to a Syslog Server....................................................................................70

Configuring a UNIX System as a Syslog Server............................................................................70

Changing System Logging Settings....................................................................................................70

Display the Logging Buffer and the Logging Configuration..............................................................71

Configuring a UNIX Logging Facility Level.........................................................................................72

Synchronizing Log Messages..............................................................................................................73

Enabling Timestamp on Syslog Messages..........................................................................................74

File Transfer Services...........................................................................................................................74

Configuration Task List for File Transfer Services........................................................................ 74

Enabling the FTP Server.................................................................................................................75

Configuring FTP Server Parameters..............................................................................................75

Configuring FTP Client Parameters.............................................................................................. 75

Terminal Lines..................................................................................................................................... 76

Denying and Permitting Access to a Terminal Line..................................................................... 76

Configuring Login Authentication for Terminal Lines..................................................................77

Setting Time Out of EXEC Privilege Mode......................................................................................... 78

Using Telnet to get to Another Network Device............................................................................... 78

Lock CONFIGURATION Mode............................................................................................................79

Viewing the Configuration Lock Status........................................................................................ 79

Recovering from a Forgotten Password on the S4810 System........................................................80

Recovering from a Forgotten Enable Password on the S4810 ...................................................81

Recovering from a Failed Start on the S4810 System....................................................................... 82

Restoring the Factory Default Settings...............................................................................................83

S4810MXL Switch..........................................................................................................................83

Important Points to Remember....................................................................................................83

Restoring Factory Default Environment Variables....................................................................... 83

5 802.1ag................................................................................................................. 86

Ethernet CFM...................................................................................................................................... 86

Maintenance Domains........................................................................................................................ 87

Maintenance Points.............................................................................................................................87

Maintenance End Points.....................................................................................................................88

Implementation Information..............................................................................................................89

Configuring the CFM.......................................................................................................................... 89

Related Configuration Tasks.........................................................................................................89

Enabling Ethernet CFM.......................................................................................................................89

Creating a Maintenance Domain....................................................................................................... 89

Creating a Maintenance Association..................................................................................................90

Create Maintenance Points................................................................................................................ 90

Creating a Maintenance End Point...............................................................................................90

Creating a Maintenance Intermediate Point.................................................................................91

Displaying the MP Databases........................................................................................................92

Continuity Check Messages............................................................................................................... 93

Enabling CCM................................................................................................................................94

Enabling Cross-Checking.............................................................................................................94

Sending Loopback Messages and Responses................................................................................... 94

Sending Linktrace Messages and Responses.....................................................................................95

Caching Link Trace........................................................................................................................95

Enabling CFM SNMP Traps................................................................................................................. 96

Displaying Ethernet CFM Statistics.....................................................................................................98

6 802.1X...................................................................................................................99

The Port-Authentication Process.....................................................................................................100

EAP over RADIUS.........................................................................................................................102

Configuring 802.1X........................................................................................................................... 102

Related Configuration Tasks.......................................................................................................102

Important Points to Remember........................................................................................................103

Enabling 802.1X.................................................................................................................................103

Configuring Request Identity Re-Transmissions............................................................................. 105

Configuring a Quiet Period after a Failed Authentication......................................................... 105

Forcibly Authorizing or Unauthorizing a Port..................................................................................106

Re-Authenticating a Port.................................................................................................................. 107

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

Configuring Dynamic VLAN Assignment with Port Authentication................................................109

Guest and Authentication-Fail VLANs.............................................................................................. 110

Configuring a Guest VLAN...........................................................................................................111

Configuring an Authentication-Fail VLAN...................................................................................111

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

Memory (CAM)...................................................................................................... 113

Optimizing CAM Utilization During the Attachment of ACLs to VLANs..........................................113

Guidelines for Configuring ACL VLAN groups................................................................................. 114

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.........................115

Configuring ACL VLAN Groups................................................................................................... 115

Configuring FP Blocks for VLAN Parameters..............................................................................116

Viewing CAM Usage...........................................................................................................................117

Allocating FP Blocks for VLAN Processes.........................................................................................118

8 Access Control Lists (ACLs)............................................................................ 120

IP Access Control Lists (ACLs)...........................................................................................................121

CAM Usage...................................................................................................................................121

Implementing ACLs on Dell Networking OS..............................................................................123

Important Points to Remember........................................................................................................124

Configuration Task List for Route Maps..................................................................................... 124

Configuring Match Routes.......................................................................................................... 127

Configuring Set Conditions........................................................................................................ 128

Configure a Route Map for Route Redistribution...................................................................... 129

Configure a Route Map for Route Tagging................................................................................130

Continue Clause..........................................................................................................................130

IP Fragment Handling........................................................................................................................131

IP Fragments ACL Examples........................................................................................................131

Layer 4 ACL Rules Examples....................................................................................................... 132

Configure a Standard IP ACL............................................................................................................ 133

Configuring a Standard IP ACL Filter.......................................................................................... 134

Configure an Extended IP ACL......................................................................................................... 135

Configuring Filters with a Sequence Number............................................................................ 135

Configuring Filters Without a Sequence Number......................................................................136

Configure Layer 2 and Layer 3 ACLs.................................................................................................137

Assign an IP ACL to an Interface.......................................................................................................138

Applying an IP ACL............................................................................................................................138

Counting ACL Hits.......................................................................................................................139

Configure Ingress ACLs.....................................................................................................................139

Configure Egress ACLs..................................................................................................................... 140

Applying Egress Layer 3 ACLs (Control-Plane)...........................................................................141

IP Prefix Lists...................................................................................................................................... 141

Implementation Information...................................................................................................... 142

Configuration Task List for Prefix Lists....................................................................................... 142

ACL Resequencing............................................................................................................................146

Resequencing an ACL or Prefix List............................................................................................146

Route Maps........................................................................................................................................148

Implementation Information...................................................................................................... 148

Logging of ACL Processes................................................................................................................148

Guidelines for Configuring ACL Logging................................................................................... 149

Configuring ACL Logging........................................................................................................... 150

Flow-Based Monitoring Support for ACLs........................................................................................151

Behavior of Flow-Based Monitoring........................................................................................... 151

Enabling Flow-Based Monitoring............................................................................................... 153

9 Bidirectional Forwarding Detection (BFD)...................................................155

How BFD Works................................................................................................................................ 155

BFD Packet Format......................................................................................................................156

BFD Sessions................................................................................................................................158

BFD Three-Way Handshake........................................................................................................158

Session State Changes................................................................................................................ 159

Important Points to Remember....................................................................................................... 160

Configure BFD...................................................................................................................................160

Configure BFD for Physical Ports................................................................................................161

Configure BFD for Static Routes.................................................................................................164

Configure BFD for OSPF............................................................................................................. 166

Configure BFD for OSPFv3......................................................................................................... 169

Configure BFD for IS-IS...............................................................................................................170

Configure BFD for BGP............................................................................................................... 173

Configure BFD for VRRP............................................................................................................. 180

Configuring Protocol Liveness................................................................................................... 183

Troubleshooting BFD.................................................................................................................. 183

10 Border Gateway Protocol IPv4 (BGPv4).....................................................185

Autonomous Systems (AS)................................................................................................................185

Sessions and Peers............................................................................................................................ 187

Establish a Session.......................................................................................................................188

Route Reflectors................................................................................................................................188

BGP Attributes................................................................................................................................... 189

Best Path Selection Criteria........................................................................................................ 190

Weight..........................................................................................................................................192

Local Preference......................................................................................................................... 192

Multi-Exit Discriminators (MEDs)................................................................................................ 193

Origin........................................................................................................................................... 194

AS Path.........................................................................................................................................195

Next Hop......................................................................................................................................195

Multiprotocol BGP............................................................................................................................ 196

Implement BGP with Dell Networking OS.......................................................................................196

Additional Path (Add-Path) Support........................................................................................... 196

Advertise IGP Cost as MED for Redistributed Routes................................................................ 196

Ignore Router-ID for Some Best-Path Calculations.................................................................. 197

Four-Byte AS Numbers................................................................................................................197

AS4 Number Representation...................................................................................................... 198

AS Number Migration..................................................................................................................199

BGP4 Management Information Base (MIB).............................................................................. 201

Important Points to Remember..................................................................................................201

Configuration Information............................................................................................................... 202

BGP Configuration............................................................................................................................202

Enabling BGP...............................................................................................................................203

Configuring AS4 Number Representations................................................................................207

Configuring Peer Groups........................................................................................................... 209

Configuring BGP Fast Fall-Over.................................................................................................. 211

Configuring Passive Peering....................................................................................................... 213

Maintaining Existing AS Numbers During an AS Migration........................................................214

Allowing an AS Number to Appear in its Own AS Path..............................................................215

Enabling Graceful Restart............................................................................................................216

Enabling Neighbor Graceful Restart........................................................................................... 217

Filtering on an AS-Path Attribute................................................................................................ 217

Regular Expressions as Filters..................................................................................................... 219

Redistributing Routes..................................................................................................................220

Enabling Additional Paths............................................................................................................221

Configuring IP Community Lists.................................................................................................221

Configuring an IP Extended Community List............................................................................ 223

Filtering Routes with Community Lists...................................................................................... 224

Manipulating the COMMUNITY Attribute...................................................................................224

Changing MED Attributes........................................................................................................... 226

Changing the LOCAL_PREFERENCE Attribute.......................................................................... 226

Changing the NEXT_HOP Attribute........................................................................................... 227

Changing the WEIGHT Attribute................................................................................................ 228

Enabling Multipath...................................................................................................................... 228

Filtering BGP Routes................................................................................................................... 228

Filtering BGP Routes Using Route Maps....................................................................................230

Filtering BGP Routes Using AS-PATH Information.................................................................... 231

Configuring BGP Route Reflectors.............................................................................................231

Aggregating Routes.....................................................................................................................232

Configuring BGP Confederations...............................................................................................233

Enabling Route Flap Dampening................................................................................................233

Changing BGP Timers.................................................................................................................236

Enabling BGP Neighbor Soft-Reconfiguration..........................................................................236

Route Map Continue...................................................................................................................238

Enabling MBGP Configurations........................................................................................................238

BGP Regular Expression Optimization.............................................................................................239

Debugging BGP................................................................................................................................ 239

Storing Last and Bad PDUs.........................................................................................................240

Capturing PDUs...........................................................................................................................241

PDU Counters............................................................................................................................. 242

Sample Configurations..................................................................................................................... 243

11 Content Addressable Memory (CAM)......................................................... 249

CAM Allocation................................................................................................................................. 249

Test CAM Usage................................................................................................................................ 251

View CAM-ACL Settings....................................................................................................................251

View CAM Usage...............................................................................................................................253

CAM Optimization............................................................................................................................ 254

Troubleshoot CAM Profiling.............................................................................................................254

CAM Profile Mismatches.............................................................................................................254

QoS CAM Region Limitation.......................................................................................................254

12 Control Plane Policing (CoPP)..................................................................... 256

Configure Control Plane Policing.................................................................................................... 257

Configuring CoPP for Protocols................................................................................................ 258

Configuring CoPP for CPU Queues...........................................................................................260

CoPP for OSPFv3 Packets...........................................................................................................261

Configuring CoPP for OSPFv3................................................................................................... 264

Show Commands....................................................................................................................... 265

13 Data Center Bridging (DCB)..........................................................................267

Ethernet Enhancements in Data Center Bridging........................................................................... 267

Priority-Based Flow Control.......................................................................................................268

Enhanced Transmission Selection............................................................................................. 269

Data Center Bridging Exchange Protocol (DCBx)......................................................................271

Data Center Bridging in a Traffic Flow....................................................................................... 272

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

QoS dot1p Traffic Classification and Queue Assignment............................................................... 273

DCB Maps and its Attributes.............................................................................................................274

DCB Map: Configuration Procedure.......................................................................................... 274

Important Points to Remember..................................................................................................274

Applying a DCB Map on a Port................................................................................................... 275

Configuring PFC without a DCB Map.........................................................................................275

Configuring Lossless Queues..................................................................................................... 276

Data Center Bridging: Default Configuration...................................................................................277

Configuring PFC and ETS in a DCB Map..........................................................................................277

PFC Configuration Notes............................................................................................................ 277

PFC Prerequisites and Restrictions.............................................................................................279

ETS Configuration Notes............................................................................................................ 279

ETS Prerequisites and Restrictions.............................................................................................280

Configuring Priority-Based Flow Control........................................................................................280

Configuring Lossless Queues.....................................................................................................282

Configure Enhanced Transmission Selection..................................................................................282

ETS Prerequisites and Restrictions............................................................................................. 283

Creating an ETS Priority Group.................................................................................................. 283

ETS Operation with DCBx...........................................................................................................283

Configuring Bandwidth Allocation for DCBx CIN..................................................................... 284

Applying DCB Policies in a Switch Stack..........................................................................................285

Configure a DCBx Operation........................................................................................................... 285

DCBx Operation..........................................................................................................................285

DCBx Port Roles..........................................................................................................................286

DCB Configuration Exchange.................................................................................................... 288

Configuration Source Election...................................................................................................288

Propagation of DCB Information............................................................................................... 288

Auto-Detection and Manual Configuration of the DCBx Version............................................289

Behavior of Tagged Packets.......................................................................................................289

Configuration Example for DSCP and PFC Priorities................................................................ 290

DCBx Example.............................................................................................................................291

DCBx Prerequisites and Restrictions.......................................................................................... 291

Configuring DCBx.......................................................................................................................292

Verifying the DCB Configuration..................................................................................................... 296

Using PFC and ETS to Manage Data Center Traffic........................................................................ 307

PFC and ETS Configuration Command Examples.................................................................... 309

Using PFC and ETS to Manage Converged Ethernet Traffic.....................................................309

Hierarchical Scheduling in ETS Output Policies........................................................................309

Priority-Based Flow Control Using Dynamic Buffer Method..........................................................310

Pause and Resume of Traffic...................................................................................................... 310

Buffer Sizes for Lossless or PFC Packets.....................................................................................311

Configuring the Dynamic Buffer Method......................................................................................... 311

14 Dynamic Host Configuration Protocol (DHCP)........................................ 313

DHCP Packet Format and Options...................................................................................................313

Assign an IP Address using DHCP.....................................................................................................315

Implementation Information............................................................................................................ 316

Configure the System to be a DHCP Server.....................................................................................317

Configuring the Server for Automatic Address Allocation.........................................................317

Specifying a Default Gateway..................................................................................................... 319

Configure a Method of Hostname Resolution...........................................................................319

Using DNS for Address Resolution............................................................................................. 319

Using NetBIOS WINS for Address Resolution............................................................................ 319

Creating Manual Binding Entries................................................................................................320

Debugging the DHCP Server......................................................................................................320

Using DHCP Clear Commands.................................................................................................. 320

Configure the System to be a Relay Agent...................................................................................... 321

Configure the System to be a DHCP Client.....................................................................................323

Configuring the DHCP Client System........................................................................................ 323

DHCP Client on a Management Interface................................................................................. 325

DHCP Client Operation with Other Features.............................................................................325

Configure the System for User Port Stacking (Option 230)............................................................326

Configure Secure DHCP...................................................................................................................327

Option 82.....................................................................................................................................327

DHCP Snooping..........................................................................................................................328

Drop DHCP Packets on Snooped VLANs Only..........................................................................330

Dynamic ARP Inspection............................................................................................................ 330

Configuring Dynamic ARP Inspection........................................................................................ 331

Source Address Validation................................................................................................................332

Enabling IP Source Address Validation.......................................................................................332

DHCP MAC Source Address Validation......................................................................................333

Enabling IP+MAC Source Address Validation............................................................................ 333

Viewing the Number of SAV Dropped Packets..........................................................................334

Clearing the Number of SAV Dropped Packets......................................................................... 335

15 Equal Cost Multi-Path (ECMP)..................................................................... 336

ECMP for Flow-Based Affinity.......................................................................................................... 336

Configuring the Hash Algorithm................................................................................................ 336

Enabling Deterministic ECMP Next Hop....................................................................................336

Configuring the Hash Algorithm Seed....................................................................................... 337

Link Bundle Monitoring.....................................................................................................................337

Managing ECMP Group Paths.................................................................................................... 338

Creating an ECMP Group Bundle...............................................................................................339

Modifying the ECMP Group Threshold......................................................................................339

16 FCoE Transit.................................................................................................... 341

Fibre Channel over Ethernet.............................................................................................................341

Ensure Robustness in a Converged Ethernet Network................................................................... 341

FIP Snooping on Ethernet Bridges................................................................................................... 343

FIP Snooping in a Switch Stack........................................................................................................ 345

Using FIP Snooping...........................................................................................................................345

FIP Snooping Prerequisites.........................................................................................................345

Important Points to Remember................................................................................................. 346

Enabling the FCoE Transit Feature.............................................................................................346

Enable FIP Snooping on VLANs.................................................................................................. 347

Configure the FC-MAP Value..................................................................................................... 347

Configure a Port for a Bridge-to-Bridge Link............................................................................ 347

Configure a Port for a Bridge-to-FCF Link................................................................................ 347

Impact on Other Software Features...........................................................................................347

FIP Snooping Restrictions...........................................................................................................348

Configuring FIP Snooping.......................................................................................................... 348

Displaying FIP Snooping Information.............................................................................................. 349

FCoE Transit Configuration Example...............................................................................................355

17 Enabling FIPS Cryptography.........................................................................357

Configuration Tasks.......................................................................................................................... 357

Preparing the System........................................................................................................................357

Enabling FIPS Mode.......................................................................................................................... 358

Generating Host-Keys...................................................................................................................... 358

Monitoring FIPS Mode Status........................................................................................................... 359

Disabling FIPS Mode......................................................................................................................... 359

18 Force10 Resilient Ring Protocol (FRRP)..................................................... 361

Protocol Overview............................................................................................................................ 361

Ring Status...................................................................................................................................362

Multiple FRRP Rings.................................................................................................................... 363

Important FRRP Points................................................................................................................363

Important FRRP Concepts..........................................................................................................363

Implementing FRRP.......................................................................................................................... 365

FRRP Configuration.......................................................................................................................... 365

Creating the FRRP Group........................................................................................................... 365

Configuring the Control VLAN...................................................................................................366

Configuring and Adding the Member VLANs.............................................................................367

Setting the FRRP Timers............................................................................................................. 368

Clearing the FRRP Counters.......................................................................................................369

Viewing the FRRP Configuration................................................................................................369

Viewing the FRRP Information................................................................................................... 369

Troubleshooting FRRP......................................................................................................................370

Configuration Checks.................................................................................................................370

Sample Configuration and Topology...............................................................................................370

19 GARP VLAN Registration Protocol (GVRP)................................................ 372

Important Points to Remember........................................................................................................372

Configure GVRP................................................................................................................................ 373

Related Configuration Tasks.......................................................................................................373

Enabling GVRP Globally....................................................................................................................374

Enabling GVRP on a Layer 2 Interface............................................................................................. 374

Configure GVRP Registration........................................................................................................... 374

Configure a GARP Timer...................................................................................................................375

RPM Redundancy..............................................................................................................................376

20 High Availability (HA).....................................................................................377

Component Redundancy................................................................................................................. 377

Automatic and Manual Stack Unit Failover.................................................................................377

Synchronization between Management and Standby Units.....................................................378

Forcing an Stack Unit Failover.................................................................................................... 378

Specifying an Auto-Failover Limit...............................................................................................379

Disabling Auto-Reboot............................................................................................................... 379

Manually Synchronizing Management and Standby Units........................................................379

Pre-Configuring a Stack Unit Slot.................................................................................................... 379

Removing a Provisioned Logical Stack Unit....................................................................................380

Hitless Behavior................................................................................................................................ 380

Graceful Restart.................................................................................................................................381

Software Resiliency........................................................................................................................... 381

Software Component Health Monitoring.................................................................................. 381

System Health Monitoring.......................................................................................................... 381

Failure and Event Logging...........................................................................................................381

Hot-Lock Behavior........................................................................................................................... 382

21 Internet Group Management Protocol (IGMP).........................................383

IGMP Implementation Information..................................................................................................383

IGMP Protocol Overview..................................................................................................................383

IGMP Version 2............................................................................................................................383

IGMP Version 3............................................................................................................................385

Configure IGMP................................................................................................................................ 388

Related Configuration Tasks...................................................................................................... 388

Viewing IGMP Enabled Interfaces....................................................................................................389

Selecting an IGMP Version............................................................................................................... 389

Viewing IGMP Groups...................................................................................................................... 390

Adjusting Timers............................................................................................................................... 390

Adjusting Query and Response Timers......................................................................................390

Adjusting the IGMP Querier Timeout Value...............................................................................391

Configuring a Static IGMP Group.....................................................................................................391

Enabling IGMP Immediate-Leave.................................................................................................... 392

IGMP Snooping.................................................................................................................................392

IGMP Snooping Implementation Information........................................................................... 392

Configuring IGMP Snooping...................................................................................................... 392

Removing a Group-Port Association......................................................................................... 393

Disabling Multicast Flooding...................................................................................................... 393

Specifying a Port as Connected to a Multicast Router..............................................................394

Configuring the Switch as Querier.............................................................................................394

Fast Convergence after MSTP Topology Changes..........................................................................395

Egress Interface Selection (EIS) for HTTP and IGMP Applications..................................................395

Protocol Separation....................................................................................................................396

Enabling and Disabling Management Egress Interface Selection.............................................397

Handling of Management Route Configuration........................................................................398

Handling of Switch-Initiated Traffic...........................................................................................398

Handling of Switch-Destined Traffic..........................................................................................399

Handling of Transit Traffic (Traffic Separation)......................................................................... 400

Mapping of Management Applications and Traffic Type..........................................................400

Behavior of Various Applications for Switch-Initiated Traffic .................................................. 401

Behavior of Various Applications for Switch-Destined Traffic .................................................402

Interworking of EIS With Various Applications.......................................................................... 403

Designating a Multicast Router Interface........................................................................................ 404

22 Interfaces.........................................................................................................405

Basic Interface Configuration.......................................................................................................... 405

Advanced Interface Configuration...................................................................................................405

Interface Types................................................................................................................................. 406

View Basic Interface Information.....................................................................................................406

Enabling a Physical Interface........................................................................................................... 408

Physical Interfaces............................................................................................................................408

Configuration Task List for Physical Interfaces......................................................................... 409

Overview of Layer Modes...........................................................................................................409

Configuring Layer 2 (Data Link) Mode.......................................................................................409

Configuring Layer 2 (Interface) Mode........................................................................................ 410

Configuring Layer 3 (Network) Mode.........................................................................................410

Configuring Layer 3 (Interface) Mode.........................................................................................411

Egress Interface Selection (EIS).........................................................................................................411

Important Points to Remember..................................................................................................412

Configuring EIS............................................................................................................................412

Management Interfaces.................................................................................................................... 412

Configuring Management Interfaces......................................................................................... 412

Configuring Management Interfaces on the S-Series............................................................... 413

VLAN Interfaces.................................................................................................................................414

Loopback Interfaces..........................................................................................................................415

Null Interfaces................................................................................................................................... 415

Port Channel Interfaces.................................................................................................................... 415

Port Channel Definition and Standards......................................................................................416

Port Channel Benefits................................................................................................................. 416

Port Channel Implementation....................................................................................................416

10/100/1000 Mbps Interfaces in Port Channels........................................................................ 417

Configuration Tasks for Port Channel Interfaces.......................................................................417

Creating a Port Channel..............................................................................................................417

Adding a Physical Interface to a Port Channel...........................................................................418

Reassigning an Interface to a New Port Channel......................................................................420

Configuring the Minimum Oper Up Links in a Port Channel.................................................... 421

......................................................................................................................................................421

Assigning an IP Address to a Port Channel................................................................................422

Deleting or Disabling a Port Channel.........................................................................................422

Load Balancing Through Port Channels....................................................................................422

Load-Balancing Method.............................................................................................................422

Changing the Hash Algorithm....................................................................................................423

Bulk Configuration............................................................................................................................424

Interface Range...........................................................................................................................424

Bulk Configuration Examples..................................................................................................... 425

Defining Interface Range Macros.................................................................................................... 426

Define the Interface Range.........................................................................................................427

Choosing an Interface-Range Macro.........................................................................................427

Monitoring and Maintaining Interfaces............................................................................................ 427

Maintenance Using TDR.............................................................................................................428

Splitting QSFP Ports to SFP+ Ports.................................................................................................. 429

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................430

Important Points to Remember................................................................................................. 430

Support for LM4 Optics...............................................................................................................431

Example Scenarios...................................................................................................................... 431

Link Dampening................................................................................................................................435

Important Points to Remember................................................................................................. 435

Enabling Link Dampening...........................................................................................................435

Link Bundle Monitoring.....................................................................................................................437

Using Ethernet Pause Frames for Flow Control.............................................................................. 437

Enabling Pause Frames...............................................................................................................438

Configure the MTU Size on an Interface......................................................................................... 439

Port-Pipes.........................................................................................................................................440

Auto-Negotiation on Ethernet Interfaces....................................................................................... 440

Setting the Speed and Duplex Mode of Ethernet Interfaces.................................................... 440

Set Auto-Negotiation Options................................................................................................... 442

View Advanced Interface Information............................................................................................. 443

Configuring the Interface Sampling Size................................................................................... 443

Dynamic Counters............................................................................................................................445

Clearing Interface Counters....................................................................................................... 445

Enhanced Validation of Interface Ranges....................................................................................... 446

23 Internet Protocol Security (IPSec).............................................................. 447

Configuring IPSec ............................................................................................................................448

24 IPv4 Routing................................................................................................... 449

IP Addresses......................................................................................................................................449

Implementation Information......................................................................................................449

Configuration Tasks for IP Addresses.............................................................................................. 449

Assigning IP Addresses to an Interface............................................................................................450

Configuring Static Routes.................................................................................................................451

Configure Static Routes for the Management Interface.................................................................452

IPv4 Path MTU Discovery Overview.................................................................................................453

Using the Configured Source IP Address in ICMP Messages..........................................................454

Configuring the ICMP Source Interface.....................................................................................454

Configuring the Duration to Establish a TCP Connection..............................................................454

Enabling Directed Broadcast............................................................................................................455

Resolution of Host Names............................................................................................................... 455

Enabling Dynamic Resolution of Host Names................................................................................ 455

Specifying the Local System Domain and a List of Domains..........................................................456

Configuring DNS with Traceroute................................................................................................... 456

ARP.................................................................................................................................................... 457

Configuration Tasks for ARP............................................................................................................ 458

Configuring Static ARP Entries.........................................................................................................458

Enabling Proxy ARP...........................................................................................................................459

Clearing ARP Cache..........................................................................................................................459

ARP Learning via Gratuitous ARP..................................................................................................... 459

Enabling ARP Learning via Gratuitous ARP......................................................................................460

ARP Learning via ARP Request.........................................................................................................460

Configuring ARP Retries....................................................................................................................461

ICMP..................................................................................................................................................462

Configuration Tasks for ICMP.......................................................................................................... 462

Enabling ICMP Unreachable Messages............................................................................................462

UDP Helper....................................................................................................................................... 462

Configure UDP Helper................................................................................................................462

Important Points to Remember................................................................................................. 463

Enabling UDP Helper........................................................................................................................463

Configuring a Broadcast Address.....................................................................................................463

Configurations Using UDP Helper................................................................................................... 464

UDP Helper with Broadcast-All Addresses......................................................................................464

UDP Helper with Subnet Broadcast Addresses............................................................................... 465

UDP Helper with Configured Broadcast Addresses........................................................................466

UDP Helper with No Configured Broadcast Addresses..................................................................466

Troubleshooting UDP Helper...........................................................................................................466

25 IPv6 Routing................................................................................................... 468

Protocol Overview............................................................................................................................468

Extended Address Space............................................................................................................ 468

Stateless Autoconfiguration....................................................................................................... 468

IPv6 Headers............................................................................................................................... 469

IPv6 Header Fields.......................................................................................................................470

Extension Header Fields.............................................................................................................. 471

Addressing................................................................................................................................... 472

Implementing IPv6 with Dell Networking OS..................................................................................474

ICMPv6.............................................................................................................................................. 476

Path MTU Discovery......................................................................................................................... 476

IPv6 Neighbor Discovery.................................................................................................................. 477

IPv6 Neighbor Discovery of MTU Packets................................................................................. 478

Configuration Task List for IPv6 RDNSS...........................................................................................478

Configuring the IPv6 Recursive DNS Server.............................................................................. 478

Debugging IPv6 RDNSS Information Sent to the Host .............................................................479

Displaying IPv6 RDNSS Information.......................................................................................... 480

Secure Shell (SSH) Over an IPv6 Transport......................................................................................481

Configuration Tasks for IPv6............................................................................................................ 481

Adjusting Your CAM-Profile........................................................................................................481

Assigning an IPv6 Address to an Interface.................................................................................482

Assigning a Static IPv6 Route..................................................................................................... 482

Configuring Telnet with IPv6......................................................................................................483

SNMP over IPv6...........................................................................................................................483

Showing IPv6 Information..........................................................................................................484

Showing an IPv6 Interface..........................................................................................................484

Showing IPv6 Routes..................................................................................................................485

Showing the Running-Configuration for an Interface..............................................................486

Clearing IPv6 Routes...................................................................................................................487

26 iSCSI Optimization........................................................................................ 488

iSCSI Optimization Overview...........................................................................................................488

Monitoring iSCSI Traffic Flows...................................................................................................490

Application of Quality of Service to iSCSI Traffic Flows............................................................490

Information Monitored in iSCSI Traffic Flows........................................................................... 490

Detection and Auto-Configuration for Dell EqualLogic Arrays.................................................491

Configuring Detection and Ports for Dell Compellent Arrays.................................................. 492

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer........................................492

Enable and Disable iSCSI Optimization......................................................................................492

Default iSCSI Optimization Values...................................................................................................493

iSCSI Optimization Prerequisites..................................................................................................... 494

Configuring iSCSI Optimization.......................................................................................................494

Displaying iSCSI Optimization Information..................................................................................... 496

27 Intermediate System to Intermediate System..........................................498

IS-IS Protocol Overview...................................................................................................................498

IS-IS Addressing................................................................................................................................498

Multi-Topology IS-IS........................................................................................................................ 499

Transition Mode..........................................................................................................................500

Interface Support........................................................................................................................500

Adjacencies.................................................................................................................................500

Graceful Restart................................................................................................................................500

Timers.......................................................................................................................................... 501

Implementation Information............................................................................................................ 501

Configuration Information............................................................................................................... 502

Configuration Tasks for IS-IS......................................................................................................502

Configuring the Distance of a Route.......................................................................................... 511

Changing the IS-Type..................................................................................................................511

Redistributing IPv4 Routes..........................................................................................................514

Redistributing IPv6 Routes.......................................................................................................... 515

Configuring Authentication Passwords......................................................................................516

Setting the Overload Bit.............................................................................................................. 516

Debugging IS-IS...........................................................................................................................517

IS-IS Metric Styles..............................................................................................................................518

Configure Metric Values................................................................................................................... 518

Maximum Values in the Routing Table.......................................................................................519

Change the IS-IS Metric Style in One Level Only.......................................................................519

Leaks from One Level to Another...............................................................................................521

Sample Configurations......................................................................................................................521

28 Link Aggregation Control Protocol (LACP)...............................................524

Introduction to Dynamic LAGs and LACP....................................................................................... 524

Important Points to Remember................................................................................................. 524

LACP Modes................................................................................................................................ 525

Configuring LACP Commands................................................................................................... 525

LACP Configuration Tasks................................................................................................................526

Creating a LAG............................................................................................................................ 526

Configuring the LAG Interfaces as Dynamic..............................................................................527

Setting the LACP Long Timeout................................................................................................. 527

Monitoring and Debugging LACP.............................................................................................. 528

Shared LAG State Tracking............................................................................................................... 528

Configuring Shared LAG State Tracking.....................................................................................529

Important Points about Shared LAG State Tracking..................................................................530

LACP Basic Configuration Example..................................................................................................531

Configure a LAG on ALPHA.........................................................................................................531

29 Layer 2..............................................................................................................539

Manage the MAC Address Table...................................................................................................... 539

Clearing the MAC Address Table................................................................................................539

Setting the Aging Time for Dynamic Entries..............................................................................539

Configuring a Static MAC Address............................................................................................. 540

Displaying the MAC Address Table............................................................................................ 540

MAC Learning Limit.......................................................................................................................... 540

Setting the MAC Learning Limit.................................................................................................. 541

mac learning-limit Dynamic....................................................................................................... 541

mac learning-limit mac-address-sticky.....................................................................................542

mac learning-limit station-move............................................................................................... 542

mac learning-limit no-station-move.........................................................................................542

Learning Limit Violation Actions.................................................................................................543

Setting Station Move Violation Actions......................................................................................543

Recovering from Learning Limit and Station Move Violations..................................................544

NIC Teaming.....................................................................................................................................544

Configure Redundant Pairs.............................................................................................................. 546

Important Points about Configuring Redundant Pairs..............................................................548

Far-End Failure Detection................................................................................................................ 549

FEFD State Changes....................................................................................................................550

Configuring FEFD........................................................................................................................ 551

Enabling FEFD on an Interface................................................................................................... 552

Debugging FEFD......................................................................................................................... 553

30 Link Layer Discovery Protocol (LLDP)........................................................ 555

802.1AB (LLDP) Overview................................................................................................................. 555

Protocol Data Units.....................................................................................................................555

Optional TLVs....................................................................................................................................556

Management TLVs...................................................................................................................... 556

TIA-1057 (LLDP-MED) Overview......................................................................................................558

TIA Organizationally Specific TLVs.............................................................................................559

Configure LLDP.................................................................................................................................563

Related Configuration Tasks.......................................................................................................563

Important Points to Remember................................................................................................. 564

LLDP Compatibility..................................................................................................................... 564

CONFIGURATION versus INTERFACE Configurations....................................................................564

Enabling LLDP................................................................................................................................... 565

Disabling and Undoing LLDP......................................................................................................565

Enabling LLDP on Management Ports............................................................................................. 565

Disabling and Undoing LLDP on Management Ports................................................................565

Advertising TLVs................................................................................................................................566

Viewing the LLDP Configuration......................................................................................................567

Viewing Information Advertised by Adjacent LLDP Agents............................................................ 568

Configuring LLDPDU Intervals......................................................................................................... 569

Configuring Transmit and Receive Mode........................................................................................569

Configuring a Time to Live............................................................................................................... 570

Debugging LLDP................................................................................................................................571

Relevant Management Objects........................................................................................................ 572

31 Microsoft Network Load Balancing............................................................ 578

NLB Unicast Mode Scenario.............................................................................................................578

NLB Multicast Mode Scenario.......................................................................................................... 579

Limitations With Enabling NLB on Switches.................................................................................... 579

Benefits and Working of Microsoft Clustering.................................................................................579

Enable and Disable VLAN Flooding .................................................................................................580

Configuring a Switch for NLB ......................................................................................................... 580

.....................................................................................................................................................580

32 Multicast Source Discovery Protocol (MSDP)...........................................581

Protocol Overview............................................................................................................................ 581

Anycast RP.........................................................................................................................................583

Implementation Information............................................................................................................583

Configure Multicast Source Discovery Protocol............................................................................. 583

Related Configuration Tasks.......................................................................................................583

Enable MSDP.....................................................................................................................................587

Manage the Source-Active Cache...................................................................................................588

Viewing the Source-Active Cache............................................................................................. 588

Limiting the Source-Active Cache............................................................................................. 589

Clearing the Source-Active Cache.............................................................................................589

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Dell PowerSwitch S4810P Owner's manual

Dell PowerSwitch S4810P Owner's manual

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