Dell PowerSwitch S4810P Owner's manual

Dell Configuration Guide for the S4810

System

9.5(0.1)

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 - 07

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...............................................................................................................................40

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

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

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

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

Filtering show Command Outputs.....................................................................................................43

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 S4810 and 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................................................ 61

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 ...................................................................................................... 66

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

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

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

Configuring the PFC Buffer in a Switch Stack............................................................................277

Configure Enhanced Transmission Selection..................................................................................278

ETS Prerequisites and Restrictions............................................................................................. 278

Creating a QoS DCB Output Policy............................................................................................279

Creating an ETS Priority Group.................................................................................................. 280

Applying an ETS Output Policy for a Priority Group to an Interface.........................................281

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

Configuring Bandwidth Allocation for DCBx CIN..................................................................... 283

Applying DCB Policies in a Switch Stack......................................................................................... 284

Applying DCB Policies with an ETS Configuration..........................................................................284

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

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

DCBx Port Roles..........................................................................................................................285

DCB Configuration Exchange.................................................................................................... 287

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

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

Auto-Detection and Manual Configuration of the DCBx Version............................................288

DCBx Example............................................................................................................................ 289

DCBx Prerequisites and Restrictions..........................................................................................290

Configuring DCBx.......................................................................................................................290

Verifying the DCB Configuration..................................................................................................... 294

PFC and ETS Configuration Examples............................................................................................. 305

Using PFC and ETS to Manage Data Center Traffic........................................................................ 305

PFC and ETS Configuration Command Examples.....................................................................307

Using PFC and ETS to Manage Converged Ethernet Traffic in a Switch Stack........................308

Hierarchical Scheduling in ETS Output Policies........................................................................308

Configuring DCB Maps and its Attributes........................................................................................309

DCB Map: Configuration Procedure..........................................................................................309

Important Points to Remember..................................................................................................310

Applying a DCB Map on a Port................................................................................................... 310

Configuring PFC without a DCB Map......................................................................................... 311

Configuring Lossless Queues..................................................................................................... 312

Priority-Based Flow Control Using Dynamic Buffer Method.......................................................... 313

Pause and Resume of Traffic...................................................................................................... 313

Buffer Sizes for Lossless or PFC Packets.................................................................................... 313

Interworking of DCB Map With DCB Buffer Threshold Settings.....................................................314

Configuring the Dynamic Buffer Method.........................................................................................315

14 Dynamic Host Configuration Protocol (DHCP)........................................ 317

DHCP Packet Format and Options...................................................................................................317

Assign an IP Address using DHCP.................................................................................................... 319

Implementation Information............................................................................................................320

Configure the System to be a DHCP Server.................................................................................... 321

Configuring the Server for Automatic Address Allocation.........................................................321

Specifying a Default Gateway.....................................................................................................323

Configure a Method of Hostname Resolution...........................................................................323

Using DNS for Address Resolution............................................................................................. 323

Using NetBIOS WINS for Address Resolution............................................................................ 323

Creating Manual Binding Entries................................................................................................ 324

Debugging the DHCP Server......................................................................................................324

Using DHCP Clear Commands.................................................................................................. 324

Configure the System to be a Relay Agent......................................................................................325

Configure the System to be a DHCP Client.....................................................................................327

Configuring the DHCP Client System........................................................................................ 327

DHCP Client on a Management Interface................................................................................. 329

DHCP Client Operation with Other Features............................................................................ 329

Configure the System for User Port Stacking (Option 230)............................................................330

Configure Secure DHCP................................................................................................................... 331

Option 82.....................................................................................................................................331

DHCP Snooping.......................................................................................................................... 332

Drop DHCP Packets on Snooped VLANs Only..........................................................................334

Dynamic ARP Inspection............................................................................................................ 334

Configuring Dynamic ARP Inspection........................................................................................335

Source Address Validation................................................................................................................336

Enabling IP Source Address Validation.......................................................................................336

DHCP MAC Source Address Validation...................................................................................... 337

Enabling IP+MAC Source Address Validation............................................................................ 337

15 Equal Cost Multi-Path (ECMP)..................................................................... 339

ECMP for Flow-Based Affinity.......................................................................................................... 339

Configuring the Hash Algorithm................................................................................................ 339

Enabling Deterministic ECMP Next Hop....................................................................................339

Configuring the Hash Algorithm Seed.......................................................................................340

Link Bundle Monitoring.................................................................................................................... 340

Managing ECMP Group Paths.....................................................................................................341

Creating an ECMP Group Bundle...............................................................................................342

Modifying the ECMP Group Threshold......................................................................................342

16 FCoE Transit....................................................................................................344

Fibre Channel over Ethernet............................................................................................................ 344

Ensure Robustness in a Converged Ethernet Network...................................................................344

FIP Snooping on Ethernet Bridges...................................................................................................346

FIP Snooping in a Switch Stack........................................................................................................348

Using FIP Snooping...........................................................................................................................348

FIP Snooping Prerequisites.........................................................................................................348

Important Points to Remember................................................................................................. 349

Enabling the FCoE Transit Feature.............................................................................................349

Enable FIP Snooping on VLANs..................................................................................................350

Configure the FC-MAP Value.....................................................................................................350

Configure a Port for a Bridge-to-Bridge Link............................................................................350

Configure a Port for a Bridge-to-FCF Link................................................................................ 350

Impact on Other Software Features...........................................................................................350

FIP Snooping Restrictions........................................................................................................... 351

Configuring FIP Snooping...........................................................................................................351

Displaying FIP Snooping Information...............................................................................................352

FCoE Transit Configuration Example...............................................................................................358

17 Enabling FIPS Cryptography........................................................................ 360

Configuration Tasks..........................................................................................................................360

Preparing the System....................................................................................................................... 360

Enabling FIPS Mode...........................................................................................................................361

Generating Host-Keys.......................................................................................................................361

Monitoring FIPS Mode Status........................................................................................................... 362

Disabling FIPS Mode......................................................................................................................... 362

18 Force10 Resilient Ring Protocol (FRRP).....................................................364

Protocol Overview............................................................................................................................364

Ring Status...................................................................................................................................365

Multiple FRRP Rings.................................................................................................................... 366

Important FRRP Points................................................................................................................366

Important FRRP Concepts..........................................................................................................366

Implementing FRRP..........................................................................................................................368

FRRP Configuration.......................................................................................................................... 368

Creating the FRRP Group........................................................................................................... 368

Configuring the Control VLAN...................................................................................................369

Configuring and Adding the Member VLANs.............................................................................370

Setting the FRRP Timers.............................................................................................................. 371

Clearing the FRRP Counters....................................................................................................... 372

Viewing the FRRP Configuration................................................................................................ 372

Viewing the FRRP Information....................................................................................................372

Troubleshooting FRRP...................................................................................................................... 373

Configuration Checks................................................................................................................. 373

Sample Configuration and Topology...............................................................................................373

19 GARP VLAN Registration Protocol (GVRP)................................................ 375

Important Points to Remember........................................................................................................375

Configure GVRP................................................................................................................................376

Related Configuration Tasks.......................................................................................................376

Enabling GVRP Globally.................................................................................................................... 377

Enabling GVRP on a Layer 2 Interface..............................................................................................377

Configure GVRP Registration............................................................................................................377

Configure a GARP Timer...................................................................................................................378

RPM Redundancy..............................................................................................................................379

20 High Availability (HA).................................................................................... 380

Component Redundancy.................................................................................................................380

Automatic and Manual Stack Unit Failover................................................................................380

Synchronization between Management and Standby Units..................................................... 381

Forcing an Stack Unit Failover.................................................................................................... 381

Specifying an Auto-Failover Limit.............................................................................................. 382

Disabling Auto-Reboot............................................................................................................... 382

Manually Synchronizing Management and Standby Units........................................................382

Pre-Configuring a Stack Unit Slot....................................................................................................382

Removing a Provisioned Logical Stack Unit.................................................................................... 383

Hitless Behavior.................................................................................................................................383

Graceful Restart................................................................................................................................ 384

Software Resiliency...........................................................................................................................384

Software Component Health Monitoring..................................................................................384

System Health Monitoring..........................................................................................................384

Failure and Event Logging.......................................................................................................... 384

Hot-Lock Behavior........................................................................................................................... 385

21 Internet Group Management Protocol (IGMP).........................................386

IGMP Implementation Information..................................................................................................386

IGMP Protocol Overview..................................................................................................................386

IGMP Version 2........................................................................................................................... 386

IGMP Version 3........................................................................................................................... 388

Configure IGMP.................................................................................................................................391

Related Configuration Tasks.......................................................................................................391

Viewing IGMP Enabled Interfaces.................................................................................................... 392

Selecting an IGMP Version............................................................................................................... 392

Viewing IGMP Groups.......................................................................................................................393

Adjusting Timers............................................................................................................................... 393

Adjusting Query and Response Timers......................................................................................393

Adjusting the IGMP Querier Timeout Value...............................................................................394

Configuring a Static IGMP Group.................................................................................................... 394

Enabling IGMP Immediate-Leave.....................................................................................................395

IGMP Snooping................................................................................................................................. 395

IGMP Snooping Implementation Information........................................................................... 395

Configuring IGMP Snooping...................................................................................................... 395

Removing a Group-Port Association......................................................................................... 396

Disabling Multicast Flooding...................................................................................................... 396

Specifying a Port as Connected to a Multicast Router..............................................................397

Configuring the Switch as Querier.............................................................................................397

Fast Convergence after MSTP Topology Changes......................................................................... 398

Egress Interface Selection (EIS) for HTTP and IGMP Applications..................................................398

Protocol Separation....................................................................................................................399

Enabling and Disabling Management Egress Interface Selection............................................ 400

Handling of Management Route Configuration........................................................................ 401

Handling of Switch-Initiated Traffic........................................................................................... 401

Handling of Switch-Destined Traffic......................................................................................... 402

Handling of Transit Traffic (Traffic Separation)..........................................................................403

Mapping of Management Applications and Traffic Type.......................................................... 403

Behavior of Various Applications for Switch-Initiated Traffic ..................................................404

Behavior of Various Applications for Switch-Destined Traffic .................................................405

Interworking of EIS With Various Applications.......................................................................... 406

Designating a Multicast Router Interface........................................................................................ 407

22 Interfaces.........................................................................................................408

Basic Interface Configuration.......................................................................................................... 408

Advanced Interface Configuration.................................................................................................. 408

Interface Types................................................................................................................................. 409

View Basic Interface Information.....................................................................................................409

Enabling a Physical Interface............................................................................................................ 411

Physical Interfaces.............................................................................................................................411

Configuration Task List for Physical Interfaces..........................................................................412

Overview of Layer Modes........................................................................................................... 412

Configuring Layer 2 (Data Link) Mode........................................................................................412

Configuring Layer 2 (Interface) Mode........................................................................................ 413

Configuring Layer 3 (Network) Mode.........................................................................................413

Configuring Layer 3 (Interface) Mode........................................................................................ 414

Egress Interface Selection (EIS)........................................................................................................ 414

Important Points to Remember..................................................................................................415

Configuring EIS............................................................................................................................415

Management Interfaces.................................................................................................................... 415

Configuring Management Interfaces..........................................................................................415

Configuring Management Interfaces on the S-Series............................................................... 416

VLAN Interfaces................................................................................................................................. 417

Loopback Interfaces......................................................................................................................... 418

Null Interfaces................................................................................................................................... 418

Port Channel Interfaces....................................................................................................................418

Port Channel Definition and Standards......................................................................................419

Port Channel Benefits................................................................................................................. 419

Port Channel Implementation....................................................................................................419

10/100/1000 Mbps Interfaces in Port Channels....................................................................... 420

Configuration Tasks for Port Channel Interfaces......................................................................420

Creating a Port Channel.............................................................................................................420

Adding a Physical Interface to a Port Channel...........................................................................421

Reassigning an Interface to a New Port Channel......................................................................423

Configuring the Minimum Oper Up Links in a Port Channel....................................................424

.....................................................................................................................................................424

Assigning an IP Address to a Port Channel................................................................................425

Deleting or Disabling a Port Channel.........................................................................................425

Load Balancing Through Port Channels....................................................................................425

Load-Balancing on the S- Series................................................................................................425

Changing the Hash Algorithm....................................................................................................426

Bulk Configuration............................................................................................................................427

Interface Range........................................................................................................................... 427

Bulk Configuration Examples..................................................................................................... 428

Defining Interface Range Macros.................................................................................................... 429

Define the Interface Range........................................................................................................ 430

Choosing an Interface-Range Macro........................................................................................ 430

Monitoring and Maintaining Interfaces............................................................................................430

Maintenance Using TDR..............................................................................................................431

Splitting QSFP Ports to SFP+ Ports.................................................................................................. 432

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................ 433

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

Support for LM4 Optics.............................................................................................................. 434

Example Scenarios......................................................................................................................434

Link Dampening................................................................................................................................438

Important Points to Remember................................................................................................. 438

Enabling Link Dampening...........................................................................................................438

Link Bundle Monitoring....................................................................................................................440

Using Ethernet Pause Frames for Flow Control..............................................................................440

Threshold Settings.......................................................................................................................441

Enabling Pause Frames...............................................................................................................442

Configure the MTU Size on an Interface......................................................................................... 442

Port-Pipes......................................................................................................................................... 443

Auto-Negotiation on Ethernet Interfaces........................................................................................443

Setting the Speed and Duplex Mode of Ethernet Interfaces.................................................... 444

Set Auto-Negotiation Options................................................................................................... 445

View Advanced Interface Information.............................................................................................446

Configuring the Interface Sampling Size................................................................................... 447

Dynamic Counters............................................................................................................................448

Clearing Interface Counters.......................................................................................................448

Enhanced Validation of Interface Ranges....................................................................................... 449

23 Internet Protocol Security (IPSec).............................................................. 450

Configuring IPSec .............................................................................................................................451

24 IPv4 Routing................................................................................................... 452

IP Addresses...................................................................................................................................... 452

Implementation Information...................................................................................................... 452

Configuration Tasks for IP Addresses.............................................................................................. 452

Assigning IP Addresses to an Interface............................................................................................ 453

Configuring Static Routes................................................................................................................ 454

Configure Static Routes for the Management Interface.................................................................455

IPv4 Path MTU Discovery Overview.................................................................................................456

Using the Configured Source IP Address in ICMP Messages..........................................................457

Configuring the ICMP Source Interface.....................................................................................457

Configuring the Duration to Establish a TCP Connection..............................................................457

Enabling Directed Broadcast............................................................................................................458

Resolution of Host Names............................................................................................................... 458

Enabling Dynamic Resolution of Host Names................................................................................ 458

Specifying the Local System Domain and a List of Domains..........................................................459

Configuring DNS with Traceroute................................................................................................... 459

ARP....................................................................................................................................................460

Configuration Tasks for ARP.............................................................................................................461

Configuring Static ARP Entries......................................................................................................... 461

Enabling Proxy ARP...........................................................................................................................462

Clearing ARP Cache..........................................................................................................................462

ARP Learning via Gratuitous ARP..................................................................................................... 462

Enabling ARP Learning via Gratuitous ARP......................................................................................463

ARP Learning via ARP Request......................................................................................................... 463

Configuring ARP Retries...................................................................................................................464

ICMP..................................................................................................................................................465

Configuration Tasks for ICMP.......................................................................................................... 465

Enabling ICMP Unreachable Messages............................................................................................465

UDP Helper....................................................................................................................................... 465

Configure UDP Helper................................................................................................................465

Important Points to Remember................................................................................................. 466

Enabling UDP Helper........................................................................................................................466

Configuring a Broadcast Address.................................................................................................... 466

Configurations Using UDP Helper................................................................................................... 467

UDP Helper with Broadcast-All Addresses...................................................................................... 467

UDP Helper with Subnet Broadcast Addresses............................................................................... 468

UDP Helper with Configured Broadcast Addresses........................................................................469

UDP Helper with No Configured Broadcast Addresses..................................................................469

Troubleshooting UDP Helper...........................................................................................................469

25 IPv6 Routing....................................................................................................471

Protocol Overview.............................................................................................................................471

Extended Address Space............................................................................................................. 471

Stateless Autoconfiguration........................................................................................................471

IPv6 Headers................................................................................................................................472

IPv6 Header Fields.......................................................................................................................473

Extension Header Fields..............................................................................................................474

Addressing................................................................................................................................... 475

Implementing IPv6 with Dell Networking OS..................................................................................477

ICMPv6.............................................................................................................................................. 479

Path MTU Discovery......................................................................................................................... 479

IPv6 Neighbor Discovery..................................................................................................................480

IPv6 Neighbor Discovery of MTU Packets................................................................................. 481

Configuration Task List for IPv6 RDNSS...........................................................................................481

Configuring the IPv6 Recursive DNS Server.............................................................................. 481

Debugging IPv6 RDNSS Information Sent to the Host ............................................................ 482

Displaying IPv6 RDNSS Information...........................................................................................483

Secure Shell (SSH) Over an IPv6 Transport..................................................................................... 484

Configuration Tasks for IPv6............................................................................................................484

Adjusting Your CAM-Profile....................................................................................................... 484

Assigning an IPv6 Address to an Interface.................................................................................485

Assigning a Static IPv6 Route..................................................................................................... 485

Configuring Telnet with IPv6..................................................................................................... 486

SNMP over IPv6.......................................................................................................................... 486

Showing IPv6 Information.......................................................................................................... 487

Showing an IPv6 Interface..........................................................................................................487

Showing IPv6 Routes..................................................................................................................488

Showing the Running-Configuration for an Interface..............................................................489

Clearing IPv6 Routes.................................................................................................................. 490

26 iSCSI Optimization.........................................................................................491

iSCSI Optimization Overview............................................................................................................491

Monitoring iSCSI Traffic Flows................................................................................................... 493

Application of Quality of Service to iSCSI Traffic Flows............................................................493

Information Monitored in iSCSI Traffic Flows............................................................................493

Detection and Auto-Configuration for Dell EqualLogic Arrays................................................494

Configuring Detection and Ports for Dell Compellent Arrays.................................................. 495

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer........................................495

Enable and Disable iSCSI Optimization......................................................................................495

Default iSCSI Optimization Values...................................................................................................496

iSCSI Optimization Prerequisites......................................................................................................497

Configuring iSCSI Optimization....................................................................................................... 497

Displaying iSCSI Optimization Information..................................................................................... 499

27 Intermediate System to Intermediate System.......................................... 501

IS-IS Protocol Overview....................................................................................................................501

IS-IS Addressing................................................................................................................................ 501

Multi-Topology IS-IS........................................................................................................................ 502

Transition Mode.......................................................................................................................... 503

Interface Support........................................................................................................................ 503

Adjacencies................................................................................................................................. 503

Graceful Restart................................................................................................................................ 503

Timers..........................................................................................................................................504

Implementation Information............................................................................................................504

Configuration Information............................................................................................................... 505

Configuration Tasks for IS-IS......................................................................................................505

Configuring the Distance of a Route..........................................................................................514

Changing the IS-Type................................................................................................................. 514

Redistributing IPv4 Routes.......................................................................................................... 517

Redistributing IPv6 Routes..........................................................................................................518

Configuring Authentication Passwords......................................................................................519

Setting the Overload Bit.............................................................................................................. 519

Debugging IS-IS..........................................................................................................................520

IS-IS Metric Styles..............................................................................................................................521

Configure Metric Values....................................................................................................................521

Maximum Values in the Routing Table.......................................................................................522

Change the IS-IS Metric Style in One Level Only...................................................................... 522

Leaks from One Level to Another.............................................................................................. 524

Sample Configurations..................................................................................................................... 524

28 Link Aggregation Control Protocol (LACP)...............................................527

Introduction to Dynamic LAGs and LACP........................................................................................527

Important Points to Remember..................................................................................................527

LACP Modes................................................................................................................................528

Configuring LACP Commands...................................................................................................528

LACP Configuration Tasks................................................................................................................529

Creating a LAG............................................................................................................................ 529

Configuring the LAG Interfaces as Dynamic............................................................................. 530

Setting the LACP Long Timeout.................................................................................................530

Monitoring and Debugging LACP...............................................................................................531

Shared LAG State Tracking................................................................................................................531

Configuring Shared LAG State Tracking.....................................................................................532

Important Points about Shared LAG State Tracking..................................................................533

LACP Basic Configuration Example................................................................................................. 534

Configure a LAG on ALPHA........................................................................................................ 534

29 Layer 2..............................................................................................................542

Manage the MAC Address Table...................................................................................................... 542

Clearing the MAC Address Table................................................................................................542

Setting the Aging Time for Dynamic Entries..............................................................................542

Configuring a Static MAC Address............................................................................................. 543

Displaying the MAC Address Table.............................................................................................543

MAC Learning Limit...........................................................................................................................543

Setting the MAC Learning Limit..................................................................................................544

mac learning-limit Dynamic.......................................................................................................544

mac learning-limit mac-address-sticky.....................................................................................545

mac learning-limit station-move............................................................................................... 545

mac learning-limit no-station-move.........................................................................................545

Learning Limit Violation Actions.................................................................................................546

Setting Station Move Violation Actions......................................................................................546

Recovering from Learning Limit and Station Move Violations..................................................547

NIC Teaming..................................................................................................................................... 547

Configure Redundant Pairs.............................................................................................................. 548

Important Points about Configuring Redundant Pairs..............................................................550

Far-End Failure Detection.................................................................................................................551

FEFD State Changes....................................................................................................................552

Configuring FEFD........................................................................................................................ 553

Enabling FEFD on an Interface................................................................................................... 554

Debugging FEFD......................................................................................................................... 555

30 Link Layer Discovery Protocol (LLDP)........................................................ 557

802.1AB (LLDP) Overview................................................................................................................. 557

Protocol Data Units.....................................................................................................................557

Optional TLVs....................................................................................................................................558

Management TLVs...................................................................................................................... 558

TIA-1057 (LLDP-MED) Overview......................................................................................................560

TIA Organizationally Specific TLVs............................................................................................. 561

Configure LLDP.................................................................................................................................565

Related Configuration Tasks.......................................................................................................565

Important Points to Remember................................................................................................. 566

LLDP Compatibility..................................................................................................................... 566

CONFIGURATION versus INTERFACE Configurations....................................................................566

Enabling LLDP................................................................................................................................... 567

Disabling and Undoing LLDP......................................................................................................567

Enabling LLDP on Management Ports............................................................................................. 567

Disabling and Undoing LLDP on Management Ports................................................................ 567

Advertising TLVs................................................................................................................................568

Viewing the LLDP Configuration......................................................................................................569

Viewing Information Advertised by Adjacent LLDP Agents.............................................................570

Configuring LLDPDU Intervals.......................................................................................................... 571

Configuring Transmit and Receive Mode.........................................................................................571

Configuring a Time to Live............................................................................................................... 572

Debugging LLDP............................................................................................................................... 573

Relevant Management Objects........................................................................................................ 574

31 Microsoft Network Load Balancing............................................................580

NLB Unicast Mode Scenario.............................................................................................................580

NLB Multicast Mode Scenario...........................................................................................................581

Limitations With Enabling NLB on Switches.................................................................................... 581

Benefits and Working of Microsoft Clustering.................................................................................581

Enable and Disable VLAN Flooding .................................................................................................582

Configuring a Switch for NLB ..........................................................................................................582

..................................................................................................................................................... 582

32 Multicast Source Discovery Protocol (MSDP)...........................................583

Protocol Overview............................................................................................................................583

Anycast RP.........................................................................................................................................585

Implementation Information............................................................................................................585

Configure Multicast Source Discovery Protocol............................................................................. 585

Related Configuration Tasks.......................................................................................................585

Enable MSDP.....................................................................................................................................589

Manage the Source-Active Cache...................................................................................................590

Viewing the Source-Active Cache............................................................................................. 590

Limiting the Source-Active Cache..............................................................................................591

Clearing the Source-Active Cache............................................................................................. 591

Enabling the Rejected Source-Active Cache............................................................................. 591

Accept Source-Active Messages that Fail the RFP Check...............................................................591

Specifying Source-Active Messages................................................................................................ 595

Limiting the Source-Active Messages from a Peer......................................................................... 596

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Dell PowerSwitch S4810P Owner's manual

Dell PowerSwitch S4810P Owner's manual

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