Dell PowerSwitch S6000 ON User manual

Dell Configuration Guide for the S6000–ON

System

9.9(0.0)

Notes, cautions, and warnings

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

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you

how to avoid the problem.

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

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2015 - 09

Rev. A00

Contents

1 About this Guide................................................................................................. 34

Audience..............................................................................................................................................34

Conventions........................................................................................................................................ 34

Related Documents............................................................................................................................ 34

2 Configuration Fundamentals........................................................................... 35

Accessing the Command Line............................................................................................................35

CLI Modes............................................................................................................................................35

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

The do Command...............................................................................................................................40

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

Obtaining Help.................................................................................................................................... 41

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

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

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

Multiple Users in Configuration Mode............................................................................................... 44

3 Getting Started....................................................................................................45

Console Access...................................................................................................................................45

Serial Console................................................................................................................................45

Default Configuration......................................................................................................................... 46

Configuring a Host Name...................................................................................................................46

Accessing the System Remotely.........................................................................................................47

Accessing the System Remotely...................................................................................................47

Configure the Management Port IP Address............................................................................... 47

Configure a Management Route..................................................................................................48

Configuring a Username and Password.......................................................................................48

Configuring the Enable Password......................................................................................................48

Configuration File Management.........................................................................................................49

Copy Files to and from the System.............................................................................................. 49

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

Save the Running-Configuration.................................................................................................. 51

Configure the Overload Bit for a Startup Scenario...................................................................... 52

Viewing Files.................................................................................................................................. 52

Managing the File System................................................................................................................... 53

View Command History......................................................................................................................54

Upgrading Dell Networking OS.......................................................................................................... 54

Using HTTP for File Transfers............................................................................................................. 54

3

Using Hashes to Verify Software Images Before Installation............................................................ 55

4 Management........................................................................................................57

Configuring Privilege Levels................................................................................................................57

Creating a Custom Privilege Level................................................................................................57

Removing a Command from EXEC Mode....................................................................................57

Moving a Command from EXEC Privilege Mode to EXEC Mode................................................ 58

Allowing Access to CONFIGURATION Mode Commands.......................................................... 58

Allowing Access to Different Modes............................................................................................ 58

Applying a Privilege Level to a Username.................................................................................... 60

Applying a Privilege Level to a Terminal Line...............................................................................60

Configuring Logging...........................................................................................................................60

Audit and Security Logs.................................................................................................................61

Configuring Logging Format ...................................................................................................... 62

Setting Up a Secure Connection to a Syslog Server....................................................................63

Log Messages in the Internal Buffer...................................................................................................64

Configuration Task List for System Log Management................................................................ 64

Disabling System Logging.................................................................................................................. 64

Sending System Messages to a Syslog Server....................................................................................65

Configuring a UNIX System as a Syslog Server............................................................................65

Track Login Activity.............................................................................................................................65

Restrictions for Tracking Login Activity........................................................................................65

Configuring Login Activity Tracking............................................................................................. 66

Display Login Statistics..................................................................................................................66

Limit Concurrent Login Sessions........................................................................................................67

Restrictions for Limiting the Number of Concurrent Sessions....................................................67

Configuring Concurrent Session Limit......................................................................................... 67

Enabling the System to Clear Existing Sessions...........................................................................68

Changing System Logging Settings................................................................................................... 69

Display the Logging Buffer and the Logging Configuration............................................................. 70

Configuring a UNIX Logging Facility Level.........................................................................................70

Synchronizing Log Messages..............................................................................................................72

Enabling Timestamp on Syslog Messages..........................................................................................72

File Transfer Services...........................................................................................................................73

Configuration Task List for File Transfer Services........................................................................ 73

Enabling the FTP Server.................................................................................................................73

Configuring FTP Server Parameters..............................................................................................73

Configuring FTP Client Parameters.............................................................................................. 74

Terminal Lines..................................................................................................................................... 75

Denying and Permitting Access to a Terminal Line..................................................................... 75

Configuring Login Authentication for Terminal Lines................................................................. 76

Setting Timeout for EXEC Privilege Mode.......................................................................................... 77

4

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

Lock CONFIGURATION Mode............................................................................................................78

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

Restoring the Factory Default Settings...............................................................................................79

Important Points to Remember....................................................................................................79

Restoring Factory Default Environment Variables.......................................................................80

5 802.1X................................................................................................................... 82

Port-Authentication Process.............................................................................................................. 83

EAP over RADIUS...........................................................................................................................85

Configuring 802.1X............................................................................................................................. 85

Related Configuration Tasks.........................................................................................................85

Important Points to Remember......................................................................................................... 86

Enabling 802.1X...................................................................................................................................86

Configuring Request Identity Re-Transmissions...............................................................................88

Configuring a Quiet Period after a Failed Authentication........................................................... 88

Forcibly Authorizing or Unauthorizing a Port....................................................................................89

Re-Authenticating a Port....................................................................................................................90

Configuring Timeouts......................................................................................................................... 91

Configuring Dynamic VLAN Assignment with Port Authentication..................................................92

Guest and Authentication-Fail VLANs................................................................................................93

Configuring a Guest VLAN............................................................................................................94

Configuring an Authentication-Fail VLAN....................................................................................94

6 Access Control Lists (ACLs).............................................................................. 96

IP Access Control Lists (ACLs)............................................................................................................ 96

CAM Usage.................................................................................................................................... 97

Implementing ACLs on Dell Networking OS............................................................................... 98

Important Points to Remember......................................................................................................... 99

Configuration Task List for Route Maps.....................................................................................100

Configuring Match Routes..........................................................................................................102

Configuring Set Conditions........................................................................................................ 103

Configure a Route Map for Route Redistribution...................................................................... 104

Configure a Route Map for Route Tagging................................................................................105

Continue Clause..........................................................................................................................105

IP Fragment Handling....................................................................................................................... 106

IP Fragments ACL Examples....................................................................................................... 106

Layer 4 ACL Rules Examples....................................................................................................... 107

Configure a Standard IP ACL............................................................................................................108

Configuring a Standard IP ACL Filter..........................................................................................109

Configure an Extended IP ACL......................................................................................................... 110

Configuring Filters with a Sequence Number............................................................................ 110

5

Configuring Filters Without a Sequence Number.......................................................................111

Configure Layer 2 and Layer 3 ACLs.................................................................................................112

Assign an IP ACL to an Interface....................................................................................................... 113

Applying an IP ACL.............................................................................................................................113

Counting ACL Hits....................................................................................................................... 114

Configure Ingress ACLs.....................................................................................................................114

Configure Egress ACLs...................................................................................................................... 115

Applying Egress Layer 3 ACLs (Control-Plane)...........................................................................116

IP Prefix Lists...................................................................................................................................... 116

Implementation Information....................................................................................................... 117

Configuration Task List for Prefix Lists........................................................................................ 117

ACL Resequencing.............................................................................................................................121

Resequencing an ACL or Prefix List............................................................................................ 121

Route Maps........................................................................................................................................123

Implementation Information.......................................................................................................123

Flow-Based Monitoring Support for ACLs....................................................................................... 123

Behavior of Flow-Based Monitoring...........................................................................................123

Enabling Flow-Based Monitoring............................................................................................... 125

7 Bidirectional Forwarding Detection (BFD)...................................................127

How BFD Works.................................................................................................................................127

BFD Packet Format......................................................................................................................128

BFD Sessions................................................................................................................................130

BFD Three-Way Handshake........................................................................................................130

Session State Changes.................................................................................................................131

Important Points to Remember........................................................................................................132

Configure BFD...................................................................................................................................132

Configure BFD for Physical Ports................................................................................................133

Configure BFD for Static Routes.................................................................................................136

Configure BFD for OSPF............................................................................................................. 138

Configure BFD for OSPFv3..........................................................................................................141

Configure BFD for IS-IS...............................................................................................................142

Configure BFD for BGP............................................................................................................... 145

Configure BFD for VRRP..............................................................................................................151

Configuring Protocol Liveness....................................................................................................154

Troubleshooting BFD.................................................................................................................. 155

8 Border Gateway Protocol IPv4 (BGPv4).......................................................157

Autonomous Systems (AS)................................................................................................................ 157

Sessions and Peers............................................................................................................................159

Establish a Session...................................................................................................................... 160

Route Reflectors............................................................................................................................... 160

6

BGP Attributes....................................................................................................................................161

Best Path Selection Criteria.........................................................................................................162

Weight..........................................................................................................................................164

Local Preference......................................................................................................................... 164

Multi-Exit Discriminators (MEDs)................................................................................................ 165

Origin........................................................................................................................................... 166

AS Path......................................................................................................................................... 167

Next Hop......................................................................................................................................167

Multiprotocol BGP............................................................................................................................ 168

Implement BGP with Dell Networking OS.......................................................................................168

Additional Path (Add-Path) Support........................................................................................... 168

Advertise IGP Cost as MED for Redistributed Routes................................................................ 168

Ignore Router-ID in Best-Path Calculation................................................................................169

Four-Byte AS Numbers............................................................................................................... 169

AS4 Number Representation...................................................................................................... 170

AS Number Migration...................................................................................................................171

BGP4 Management Information Base (MIB)...............................................................................173

Important Points to Remember.................................................................................................. 173

Configuration Information................................................................................................................174

BGP Configuration............................................................................................................................ 174

Enabling BGP............................................................................................................................... 175

Configuring AS4 Number Representations................................................................................ 179

Configuring Peer Groups............................................................................................................ 181

Configuring BGP Fast Fall-Over..................................................................................................183

Configuring Passive Peering....................................................................................................... 185

Maintaining Existing AS Numbers During an AS Migration........................................................186

Allowing an AS Number to Appear in its Own AS Path..............................................................187

Enabling Graceful Restart........................................................................................................... 188

Enabling Neighbor Graceful Restart...........................................................................................189

Filtering on an AS-Path Attribute................................................................................................189

Regular Expressions as Filters......................................................................................................191

Redistributing Routes.................................................................................................................. 192

Enabling Additional Paths............................................................................................................193

Configuring IP Community Lists.................................................................................................193

Configuring an IP Extended Community List.............................................................................195

Filtering Routes with Community Lists.......................................................................................196

Manipulating the COMMUNITY Attribute...................................................................................196

Changing MED Attributes........................................................................................................... 198

Changing the LOCAL_PREFERENCE Attribute.......................................................................... 198

Changing the NEXT_HOP Attribute........................................................................................... 199

Changing the WEIGHT Attribute................................................................................................200

Enabling Multipath......................................................................................................................200

7

Filtering BGP Routes...................................................................................................................200

Filtering BGP Routes Using Route Maps....................................................................................202

Filtering BGP Routes Using AS-PATH Information....................................................................203

Configuring BGP Route Reflectors............................................................................................ 203

Aggregating Routes.................................................................................................................... 204

Configuring BGP Confederations.............................................................................................. 205

Enabling Route Flap Dampening................................................................................................205

Changing BGP Timers................................................................................................................ 208

Enabling BGP Neighbor Soft-Reconfiguration..........................................................................208

Route Map Continue...................................................................................................................210

Enabling MBGP Configurations........................................................................................................210

BGP Regular Expression Optimization..............................................................................................211

Debugging BGP................................................................................................................................. 211

Storing Last and Bad PDUs..........................................................................................................212

Capturing PDUs........................................................................................................................... 213

PDU Counters..............................................................................................................................214

Sample Configurations..................................................................................................................... 214

9 Content Addressable Memory (CAM)........................................................... 221

CAM Allocation..................................................................................................................................221

Test CAM Usage................................................................................................................................223

View CAM Profiles.............................................................................................................................223

View CAM-ACL Settings................................................................................................................... 224

View CAM Usage...............................................................................................................................226

CAM Optimization.............................................................................................................................227

Troubleshoot CAM Profiling............................................................................................................. 227

CAM Profile Mismatches.............................................................................................................227

QoS CAM Region Limitation.......................................................................................................227

Syslog Error When the Table is Full............................................................................................228

Syslog Warning Upon 90 Percent Utilization of CAM...............................................................228

Syslog Warning for Discrepancies Between Configured Extended Prefixes............................228

Unified Forwarding Table (UFT) Modes........................................................................................... 228

Configuring UFT Modes..............................................................................................................228

10 Control Plane Policing (CoPP).....................................................................230

Configure Control Plane Policing.....................................................................................................231

Configuring CoPP for Protocols.................................................................................................232

Configuring CoPP for CPU Queues...........................................................................................234

Displaying CoPP Configuration .................................................................................................235

11 Data Center Bridging (DCB)..........................................................................237

Ethernet Enhancements in Data Center Bridging............................................................................237

8

Priority-Based Flow Control.......................................................................................................238

Enhanced Transmission Selection............................................................................................. 240

Data Center Bridging Exchange Protocol (DCBx)......................................................................241

Data Center Bridging in a Traffic Flow....................................................................................... 241

Enabling Data Center Bridging.........................................................................................................242

DCB Maps and its Attributes.......................................................................................................242

Data Center Bridging: Default Configuration..................................................................................243

Configuring Priority-Based Flow Control........................................................................................244

Configuring Lossless Queues.....................................................................................................245

Configuring PFC in a DCB Map........................................................................................................246

PFC Configuration Notes........................................................................................................... 246

PFC Prerequisites and Restrictions.............................................................................................247

Applying a DCB Map on a Port.........................................................................................................248

Configuring PFC without a DCB Map..............................................................................................248

Configuring Lossless QueuesExample:......................................................................................249

Priority-Based Flow Control Using Dynamic Buffer Method..........................................................250

Pause and Resume of Traffic...................................................................................................... 251

Buffer Sizes for Lossless or PFC Packets.................................................................................... 251

Behavior of Tagged Packets.............................................................................................................252

Configuration Example for DSCP and PFC Priorities...................................................................... 252

SNMP Support for PFC and Buffer Statistics Tracking.....................................................................253

Performing PFC Using DSCP Bits Instead of 802.1p Bits................................................................ 254

PFC and ETS Configuration Examples............................................................................................. 255

Using PFC to Manage Converged Ethernet Traffic......................................................................... 255

Operations on Untagged Packets.................................................................................................... 255

Generation of PFC for a Priority for Untagged Packets.................................................................. 255

Configure Enhanced Transmission Selection..................................................................................256

ETS Prerequisites and Restrictions............................................................................................. 256

Creating an ETS Priority Group.................................................................................................. 256

ETS Operation with DCBx...........................................................................................................257

Configuring Bandwidth Allocation for DCBx CIN..................................................................... 258

Configuring ETS in a DCB Map...................................................................................................259

Hierarchical Scheduling in ETS Output Policies..............................................................................260

Using ETS to Manage Converged Ethernet Traffic.......................................................................... 261

Applying DCB Policies in a Switch Stack..........................................................................................261

Configure a DCBx Operation............................................................................................................261

DCBx Operation..........................................................................................................................262

DCBx Port Roles..........................................................................................................................262

DCB Configuration Exchange.................................................................................................... 264

Configuration Source Election...................................................................................................264

Propagation of DCB Information............................................................................................... 265

Auto-Detection and Manual Configuration of the DCBx Version............................................ 265

9

DCBx Example............................................................................................................................ 266

DCBx Prerequisites and Restrictions..........................................................................................266

Configuring DCBx.......................................................................................................................266

Verifying the DCB Configuration......................................................................................................270

QoS dot1p Traffic Classification and Queue Assignment............................................................... 281

Configuring the Dynamic Buffer Method........................................................................................ 282

Sample DCB Configuration.............................................................................................................. 283

PFC and ETS Configuration Command Examples.....................................................................285

12 Dynamic Host Configuration Protocol (DHCP)........................................286

DHCP Packet Format and Options.................................................................................................. 286

Assign an IP Address using DHCP....................................................................................................288

Implementation Information............................................................................................................289

Configure the System to be a DHCP Server....................................................................................289

Configuring the Server for Automatic Address Allocation........................................................290

Specifying a Default Gateway.....................................................................................................292

Configure a Method of Hostname Resolution.......................................................................... 292

Using DNS for Address Resolution.............................................................................................292

Using NetBIOS WINS for Address Resolution............................................................................292

Creating Manual Binding Entries................................................................................................ 292

Debugging the DHCP Server......................................................................................................293

Using DHCP Clear Commands.................................................................................................. 293

Configure the System to be a DHCP Client.....................................................................................293

Configuring the DHCP Client System........................................................................................294

DHCP Client on a Management Interface................................................................................. 296

DHCP Client Operation with Other Features............................................................................ 296

Configure the System for User Port Stacking (Option 230)............................................................297

Configure Secure DHCP...................................................................................................................297

Option 82.................................................................................................................................... 298

DHCP Snooping..........................................................................................................................298

Drop DHCP Packets on Snooped VLANs Only..........................................................................302

Dynamic ARP Inspection............................................................................................................ 302

Configuring Dynamic ARP Inspection....................................................................................... 303

Source Address Validation................................................................................................................304

Enabling IP Source Address Validation...................................................................................... 305

DHCP MAC Source Address Validation......................................................................................305

Enabling IP+MAC Source Address Validation............................................................................305

Viewing the Number of SAV Dropped Packets......................................................................... 306

Clearing the Number of SAV Dropped Packets.........................................................................307

13 Equal Cost Multi-Path (ECMP)..................................................................... 308

ECMP for Flow-Based Affinity..........................................................................................................308

10

Configuring the Hash Algorithm................................................................................................308

Enabling Deterministic ECMP Next Hop....................................................................................308

Configuring the Hash Algorithm Seed.......................................................................................309

Link Bundle Monitoring.................................................................................................................... 309

Managing ECMP Group Paths.................................................................................................... 310

Creating an ECMP Group Bundle...............................................................................................310

Modifying the ECMP Group Threshold.......................................................................................311

Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table..................311

Support for ECMP in host table.................................................................................................. 312

Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes .................................................. 312

14 FCoE Transit.....................................................................................................313

Fibre Channel over Ethernet.............................................................................................................313

Ensure Robustness in a Converged Ethernet Network................................................................... 313

FIP Snooping on Ethernet Bridges....................................................................................................315

FIP Snooping in a Switch Stack.........................................................................................................317

Using FIP Snooping........................................................................................................................... 317

FIP Snooping Prerequisites..........................................................................................................317

Important Points to Remember..................................................................................................318

Enabling the FCoE Transit Feature............................................................................................. 319

Enable FIP Snooping on VLANs.................................................................................................. 319

Configure the FC-MAP Value......................................................................................................319

Configure a Port for a Bridge-to-Bridge Link............................................................................ 319

Configure a Port for a Bridge-to-FCF Link................................................................................ 320

Impact on Other Software Features...........................................................................................320

FIP Snooping Restrictions...........................................................................................................320

Configuring FIP Snooping.......................................................................................................... 320

Displaying FIP Snooping Information...............................................................................................321

FCoE Transit Configuration Example............................................................................................... 327

15 Flex Hash and Optimized Boot-Up............................................................. 329

Flex Hash Capability Overview......................................................................................................... 329

Configuring the Flex Hash Mechanism............................................................................................329

Configuring Fast Boot and LACP Fast Switchover.......................................................................... 330

Optimizing the Boot Time................................................................................................................330

Booting Process When Optimized Boot Time Mechanism is Enabled..................................... 331

Guidelines for Configuring Optimized Booting Mechanism..................................................... 331

Interoperation of Applications with Fast Boot and System States..................................................332

LACP and IPv4 Routing...............................................................................................................332

LACP and IPv6 Routing...............................................................................................................333

BGP Graceful Restart.................................................................................................................. 333

Cold Boot Caused by Power Cycling the System..................................................................... 333

11

Unexpected Reload of the System.............................................................................................333

Software Upgrade....................................................................................................................... 334

LACP Fast Switchover................................................................................................................. 334

Changes to BGP Multipath......................................................................................................... 334

Delayed Installation of ECMP Routes Into BGP.........................................................................334

RDMA Over Converged Ethernet (RoCE) Overview........................................................................ 335

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.............................................................336

16 Force10 Resilient Ring Protocol (FRRP)..................................................... 337

Protocol Overview............................................................................................................................ 337

Ring Status...................................................................................................................................338

Multiple FRRP Rings.................................................................................................................... 339

Important FRRP Points............................................................................................................... 340

Important FRRP Concepts.......................................................................................................... 341

Implementing FRRP.......................................................................................................................... 342

FRRP Configuration.......................................................................................................................... 342

Creating the FRRP Group........................................................................................................... 343

Configuring the Control VLAN................................................................................................... 343

Configuring and Adding the Member VLANs............................................................................ 344

Setting the FRRP Timers............................................................................................................. 345

Clearing the FRRP Counters.......................................................................................................346

Viewing the FRRP Configuration................................................................................................346

Viewing the FRRP Information................................................................................................... 346

Troubleshooting FRRP......................................................................................................................347

Configuration Checks.................................................................................................................347

Sample Configuration and Topology...............................................................................................347

17 GARP VLAN Registration Protocol (GVRP)................................................ 349

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

Configure GVRP................................................................................................................................350

Related Configuration Tasks...................................................................................................... 350

Enabling GVRP Globally.................................................................................................................... 351

Enabling GVRP on a Layer 2 Interface..............................................................................................351

Configure GVRP Registration............................................................................................................351

Configure a GARP Timer...................................................................................................................352

18 Internet Group Management Protocol (IGMP).........................................354

IGMP Implementation Information..................................................................................................354

IGMP Protocol Overview..................................................................................................................354

IGMP Version 2............................................................................................................................354

IGMP Version 3............................................................................................................................356

Configure IGMP................................................................................................................................ 359

12

Related Configuration Tasks.......................................................................................................359

Viewing IGMP Enabled Interfaces....................................................................................................360

Selecting an IGMP Version...............................................................................................................360

Viewing IGMP Groups.......................................................................................................................361

Adjusting Timers................................................................................................................................361

Adjusting Query and Response Timers...................................................................................... 361

Enabling IGMP Immediate-Leave.................................................................................................... 362

IGMP Snooping.................................................................................................................................362

IGMP Snooping Implementation Information........................................................................... 362

Configuring IGMP Snooping...................................................................................................... 363

Removing a Group-Port Association......................................................................................... 363

Disabling Multicast Flooding...................................................................................................... 364

Specifying a Port as Connected to a Multicast Router..............................................................364

Configuring the Switch as Querier.............................................................................................364

Fast Convergence after MSTP Topology Changes..........................................................................365

Egress Interface Selection (EIS) for HTTP and IGMP Applications..................................................365

Protocol Separation....................................................................................................................366

Enabling and Disabling Management Egress Interface Selection.............................................367

Handling of Management Route Configuration........................................................................368

Handling of Switch-Initiated Traffic...........................................................................................368

Handling of Switch-Destined Traffic..........................................................................................369

Handling of Transit Traffic (Traffic Separation)..........................................................................370

Mapping of Management Applications and Traffic Type.......................................................... 370

Behavior of Various Applications for Switch-Initiated Traffic ...................................................372

Behavior of Various Applications for Switch-Destined Traffic ................................................. 373

Interworking of EIS With Various Applications...........................................................................373

Designating a Multicast Router Interface.........................................................................................374

19 Interfaces......................................................................................................... 375

Basic Interface Configuration...........................................................................................................375

Advanced Interface Configuration................................................................................................... 375

Interface Types..................................................................................................................................376

View Basic Interface Information..................................................................................................... 376

Resetting an Interface to its Factory Default State.......................................................................... 378

Enabling a Physical Interface............................................................................................................379

Physical Interfaces............................................................................................................................ 379

Configuration Task List for Physical Interfaces..........................................................................379

40G to 1G Breakout Cable Adaptor........................................................................................... 380

Overview of Layer Modes...........................................................................................................380

Configuring Layer 2 (Data Link) Mode........................................................................................381

Configuring Layer 2 (Interface) Mode........................................................................................ 381

Configuring Layer 3 (Network) Mode.........................................................................................381

13

Configuring Layer 3 (Interface) Mode........................................................................................ 382

Egress Interface Selection (EIS)........................................................................................................383

Important Points to Remember................................................................................................. 383

Configuring EIS........................................................................................................................... 383

Management Interfaces....................................................................................................................384

Configuring Management Interfaces.........................................................................................384

Configuring a Management Interface on an Ethernet Port...................................................... 386

VLAN Interfaces.................................................................................................................................387

Loopback Interfaces......................................................................................................................... 387

Null Interfaces...................................................................................................................................388

Port Channel Interfaces....................................................................................................................388

Port Channel Definition and Standards..................................................................................... 388

Port Channel Benefits.................................................................................................................389

Port Channel Implementation....................................................................................................389

Interfaces in Port Channels........................................................................................................ 389

Configuration Tasks for Port Channel Interfaces......................................................................390

Creating a Port Channel.............................................................................................................390

Adding a Physical Interface to a Port Channel..........................................................................390

Reassigning an Interface to a New Port Channel......................................................................392

Configuring the Minimum Oper Up Links in a Port Channel....................................................393

Adding or Removing a Port Channel from a VLAN................................................................... 393

Assigning an IP Address to a Port Channel................................................................................395

Deleting or Disabling a Port Channel.........................................................................................395

Load Balancing Through Port Channels....................................................................................395

Changing the Hash Algorithm....................................................................................................395

Bulk Configuration............................................................................................................................397

Interface Range........................................................................................................................... 397

Bulk Configuration Examples..................................................................................................... 397

Defining Interface Range Macros.................................................................................................... 399

Define the Interface Range.........................................................................................................399

Choosing an Interface-Range Macro........................................................................................ 399

Monitoring and Maintaining Interfaces............................................................................................399

Maintenance Using TDR............................................................................................................. 401

Fanning out 40G Ports Dynamically................................................................................................ 401

Splitting QSFP Ports to SFP+ Ports.................................................................................................. 402

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................403

Important Points to Remember................................................................................................. 404

Example Scenarios......................................................................................................................404

Link Dampening................................................................................................................................406

Important Points to Remember................................................................................................. 406

Enabling Link Dampening.......................................................................................................... 406

Link Bundle Monitoring....................................................................................................................408

14

Using Ethernet Pause Frames for Flow Control..............................................................................408

Enabling Pause Frames...............................................................................................................409

Configure the MTU Size on an Interface.........................................................................................409

Port-Pipes..........................................................................................................................................410

Auto-Negotiation on Ethernet Interfaces.........................................................................................411

Setting the Speed and Duplex Mode of Ethernet Interfaces..................................................... 411

Set Auto-Negotiation Options....................................................................................................412

View Advanced Interface Information..............................................................................................413

Configuring the Interface Sampling Size....................................................................................414

Dynamic Counters............................................................................................................................ 415

Clearing Interface Counters....................................................................................................... 416

Compressing Configuration Files.....................................................................................................416

20 IPv4 Routing................................................................................................... 420

IP Addresses......................................................................................................................................420

Implementation Information......................................................................................................420

Configuration Tasks for IP Addresses...............................................................................................421

Assigning IP Addresses to an Interface.............................................................................................421

Configuring Static Routes.................................................................................................................422

Configure Static Routes for the Management Interface.................................................................423

Using the Configured Source IP Address in ICMP Messages..........................................................423

Configuring the ICMP Source Interface.....................................................................................424

Configuring the Duration to Establish a TCP Connection..............................................................424

Enabling Directed Broadcast............................................................................................................425

Resolution of Host Names............................................................................................................... 425

Enabling Dynamic Resolution of Host Names................................................................................ 425

Specifying the Local System Domain and a List of Domains..........................................................426

Configuring DNS with Traceroute................................................................................................... 426

ARP.................................................................................................................................................... 427

Configuration Tasks for ARP.............................................................................................................427

Configuring Static ARP Entries.........................................................................................................428

Enabling Proxy ARP.......................................................................................................................... 428

Clearing ARP Cache..........................................................................................................................429

ARP Learning via Gratuitous ARP..................................................................................................... 429

Enabling ARP Learning via Gratuitous ARP......................................................................................429

ARP Learning via ARP Request......................................................................................................... 430

Configuring ARP Retries...................................................................................................................430

ICMP.................................................................................................................................................. 431

Configuration Tasks for ICMP...........................................................................................................431

Enabling ICMP Unreachable Messages............................................................................................ 431

UDP Helper....................................................................................................................................... 432

Configure UDP Helper................................................................................................................432

15

Important Points to Remember................................................................................................. 432

Enabling UDP Helper........................................................................................................................ 432

Configuring a Broadcast Address.....................................................................................................433

Configurations Using UDP Helper................................................................................................... 433

UDP Helper with Broadcast-All Addresses...................................................................................... 433

UDP Helper with Subnet Broadcast Addresses............................................................................... 434

UDP Helper with Configured Broadcast Addresses........................................................................ 435

UDP Helper with No Configured Broadcast Addresses.................................................................. 435

Troubleshooting UDP Helper...........................................................................................................436

21 IPv6 Routing....................................................................................................437

Protocol Overview............................................................................................................................ 437

Extended Address Space.............................................................................................................437

Stateless Autoconfiguration........................................................................................................437

IPv6 Headers............................................................................................................................... 438

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support.............................................. 439

IPv6 Header Fields...................................................................................................................... 440

Extension Header Fields..............................................................................................................441

Addressing...................................................................................................................................442

Implementing IPv6 with Dell Networking OS................................................................................. 444

ICMPv6..............................................................................................................................................446

Path MTU Discovery......................................................................................................................... 446

IPv6 Neighbor Discovery..................................................................................................................447

IPv6 Neighbor Discovery of MTU Packets.................................................................................448

Configuring the IPv6 Recursive DNS Server..............................................................................448

Debugging IPv6 RDNSS Information Sent to the Host ............................................................ 449

Displaying IPv6 RDNSS Information...........................................................................................449

Secure Shell (SSH) Over an IPv6 Transport..................................................................................... 450

Configuration Tasks for IPv6............................................................................................................450

Adjusting Your CAM-Profile........................................................................................................451

Assigning an IPv6 Address to an Interface................................................................................. 451

Assigning a Static IPv6 Route..................................................................................................... 452

Configuring Telnet with IPv6......................................................................................................453

SNMP over IPv6...........................................................................................................................453

Displaying IPv6 Information....................................................................................................... 453

Displaying an IPv6 Interface Information...................................................................................454

Showing IPv6 Routes..................................................................................................................454

Showing the Running-Configuration for an Interface.............................................................. 456

Clearing IPv6 Routes...................................................................................................................456

Configuring IPv6 RA Guard...............................................................................................................457

Configuring IPv6 RA Guard on an Interface.............................................................................. 459

Monitoring IPv6 RA Guard..........................................................................................................459

16

22 iSCSI Optimization........................................................................................ 460

iSCSI Optimization Overview...........................................................................................................460

Monitoring iSCSI Traffic Flows................................................................................................... 462

Application of Quality of Service to iSCSI Traffic Flows............................................................462

Information Monitored in iSCSI Traffic Flows............................................................................462

Detection and Auto-Configuration for Dell EqualLogic Arrays................................................ 463

Configuring Detection and Ports for Dell Compellent Arrays..................................................464

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer........................................464

Enable and Disable iSCSI Optimization..................................................................................... 464

Default iSCSI Optimization Values...................................................................................................465

iSCSI Optimization Prerequisites..................................................................................................... 466

Configuring iSCSI Optimization.......................................................................................................466

Displaying iSCSI Optimization Information.....................................................................................468

23 Intermediate System to Intermediate System..........................................470

IS-IS Protocol Overview................................................................................................................... 470

IS-IS Addressing................................................................................................................................470

Multi-Topology IS-IS.........................................................................................................................471

Transition Mode...........................................................................................................................471

Interface Support........................................................................................................................ 472

Adjacencies..................................................................................................................................472

Graceful Restart................................................................................................................................ 472

Timers.......................................................................................................................................... 472

Implementation Information............................................................................................................ 473

Configuration Information............................................................................................................... 474

Configuration Tasks for IS-IS......................................................................................................474

Configuring the Distance of a Route......................................................................................... 483

Changing the IS-Type.................................................................................................................483

Redistributing IPv4 Routes......................................................................................................... 486

Redistributing IPv6 Routes......................................................................................................... 486

Configuring Authentication Passwords..................................................................................... 487

Setting the Overload Bit............................................................................................................. 488

Debugging IS-IS..........................................................................................................................488

IS-IS Metric Styles.............................................................................................................................490

Configure Metric Values...................................................................................................................490

Maximum Values in the Routing Table...................................................................................... 490

Change the IS-IS Metric Style in One Level Only......................................................................490

Leaks from One Level to Another.............................................................................................. 492

Sample Configurations.....................................................................................................................493

24 Link Aggregation Control Protocol (LACP).............................................. 496

17

Introduction to Dynamic LAGs and LACP....................................................................................... 496

Important Points to Remember................................................................................................. 496

LACP Modes................................................................................................................................ 497

Configuring LACP Commands................................................................................................... 497

LACP Configuration Tasks................................................................................................................498

Creating a LAG............................................................................................................................498

Configuring the LAG Interfaces as Dynamic............................................................................. 499

Setting the LACP Long Timeout.................................................................................................499

Monitoring and Debugging LACP..............................................................................................500

Shared LAG State Tracking...............................................................................................................500

Configuring Shared LAG State Tracking.....................................................................................501

Important Points about Shared LAG State Tracking..................................................................502

LACP Basic Configuration Example................................................................................................. 503

Configure a LAG on ALPHA........................................................................................................503

25 Layer 2...............................................................................................................511

Manage the MAC Address Table....................................................................................................... 511

Clearing the MAC Address Table.................................................................................................511

Setting the Aging Time for Dynamic Entries...............................................................................511

Configuring a Static MAC Address..............................................................................................512

Displaying the MAC Address Table............................................................................................. 512

MAC Learning Limit...........................................................................................................................512

Setting the MAC Learning Limit.................................................................................................. 513

mac learning-limit Dynamic....................................................................................................... 513

mac learning-limit mac-address-sticky..................................................................................... 514

mac learning-limit station-move................................................................................................514

mac learning-limit no-station-move......................................................................................... 514

Learning Limit Violation Actions................................................................................................. 515

Setting Station Move Violation Actions.......................................................................................515

Recovering from Learning Limit and Station Move Violations.................................................. 516

NIC Teaming......................................................................................................................................516

Configure Redundant Pairs............................................................................................................... 517

Important Points about Configuring Redundant Pairs.............................................................. 519

Far-End Failure Detection................................................................................................................ 520

FEFD State Changes.................................................................................................................... 521

Configuring FEFD........................................................................................................................522

Enabling FEFD on an Interface................................................................................................... 523

Debugging FEFD......................................................................................................................... 524

26 Link Layer Discovery Protocol (LLDP)........................................................526

802.1AB (LLDP) Overview.................................................................................................................526

Protocol Data Units.....................................................................................................................526

18

Optional TLVs....................................................................................................................................527

Management TLVs.......................................................................................................................527

TIA-1057 (LLDP-MED) Overview......................................................................................................529

TIA Organizationally Specific TLVs.............................................................................................530

Configure LLDP.................................................................................................................................534

Related Configuration Tasks.......................................................................................................534

Important Points to Remember................................................................................................. 534

LLDP Compatibility......................................................................................................................535

CONFIGURATION versus INTERFACE Configurations....................................................................535

Enabling LLDP................................................................................................................................... 536

Disabling and Undoing LLDP......................................................................................................536

Enabling LLDP on Management Ports............................................................................................. 536

Disabling and Undoing LLDP on Management Ports................................................................536

Advertising TLVs................................................................................................................................ 537

Viewing the LLDP Configuration......................................................................................................538

Viewing Information Advertised by Adjacent LLDP Agents.............................................................539

Configuring LLDPDU Intervals......................................................................................................... 540

Configuring Transmit and Receive Mode........................................................................................540

Configuring the Time to Live Value..................................................................................................541

Debugging LLDP...............................................................................................................................542

Relevant Management Objects........................................................................................................543

27 Microsoft Network Load Balancing............................................................549

NLB Unicast Mode Scenario.............................................................................................................549

NLB Multicast Mode Scenario.......................................................................................................... 550

Limitations of the NLB Feature.........................................................................................................550

Microsoft Clustering......................................................................................................................... 550

Enable and Disable VLAN Flooding ................................................................................................. 551

Configuring a Switch for NLB .......................................................................................................... 551

Enabling a Switch for Multicast NLB...........................................................................................551

28 Multicast Source Discovery Protocol (MSDP)...........................................553

Protocol Overview............................................................................................................................ 553

Anycast RP.........................................................................................................................................555

Implementation Information............................................................................................................ 555

Configure Multicast Source Discovery Protocol............................................................................. 555

Related Configuration Tasks.......................................................................................................555

Enable MSDP.....................................................................................................................................559

Manage the Source-Active Cache...................................................................................................560

Viewing the Source-Active Cache............................................................................................. 560

Limiting the Source-Active Cache..............................................................................................561

Clearing the Source-Active Cache............................................................................................. 561

19

Enabling the Rejected Source-Active Cache............................................................................. 561

Accept Source-Active Messages that Fail the RFP Check...............................................................561

Specifying Source-Active Messages................................................................................................ 565

Limiting the Source-Active Messages from a Peer......................................................................... 566

Preventing MSDP from Caching a Local Source.............................................................................566

Preventing MSDP from Caching a Remote Source.........................................................................567

Preventing MSDP from Advertising a Local Source........................................................................ 568

Logging Changes in Peership States................................................................................................568

Terminating a Peership.....................................................................................................................569

Clearing Peer Statistics..................................................................................................................... 569

Debugging MSDP..............................................................................................................................570

MSDP with Anycast RP......................................................................................................................570

Configuring Anycast RP.....................................................................................................................571

Reducing Source-Active Message Flooding.............................................................................. 572

Specifying the RP Address Used in SA Messages.......................................................................572

MSDP Sample Configurations...........................................................................................................575

29 Multiple Spanning Tree Protocol (MSTP).................................................. 578

Protocol Overview............................................................................................................................ 578

Spanning Tree Variations..................................................................................................................579

Implementation Information...................................................................................................... 579

Configure Multiple Spanning Tree Protocol....................................................................................579

Related Configuration Tasks.......................................................................................................579

Enable Multiple Spanning Tree Globally..........................................................................................580

Adding and Removing Interfaces.....................................................................................................580

Creating Multiple Spanning Tree Instances.....................................................................................580

Influencing MSTP Root Selection.....................................................................................................582

Interoperate with Non-Dell Bridges.................................................................................................582

Changing the Region Name or Revision..........................................................................................583

Modifying Global Parameters...........................................................................................................583

Modifying the Interface Parameters................................................................................................ 584

Configuring an EdgePort..................................................................................................................585

Flush MAC Addresses after a Topology Change............................................................................. 586

MSTP Sample Configurations...........................................................................................................586

Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-

ConfigurationSFTOS Example Running-Configuration.............................................................587

Debugging and Verifying MSTP Configurations..............................................................................590

30 Multicast Features..........................................................................................593

Enabling IP Multicast.........................................................................................................................593

Implementation Information............................................................................................................593

Multicast Policies.............................................................................................................................. 594

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Dell PowerSwitch S6000 ON User manual

Dell PowerSwitch S6000 ON User manual

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