Dell Networking Z9500 Specification

Dell Networking Configuration Guide for the

Z9500 Switch

Version 9.5(0.1)

Notes, Cautions, and Warnings

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

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

how to avoid the problem.

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

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2014 - 07

Rev. A01

Contents

1 About this Guide................................................................................................. 30

Audience..............................................................................................................................................30

Conventions........................................................................................................................................30

Related Documents............................................................................................................................ 30

2 Configuration Fundamentals............................................................................31

Accessing the Command Line............................................................................................................ 31

CLI Modes............................................................................................................................................ 31

Navigating CLI Modes................................................................................................................... 34

The do Command............................................................................................................................... 37

Undoing Commands...........................................................................................................................38

Obtaining Help.................................................................................................................................... 39

Entering and Editing Commands....................................................................................................... 39

Command History.............................................................................................................................. 40

Filtering show Command Outputs.....................................................................................................40

Multiple Users in Configuration Mode............................................................................................... 42

3 Getting Started....................................................................................................43

Console Access...................................................................................................................................43

Serial Console................................................................................................................................43

Default Configuration......................................................................................................................... 44

Configuring a Host Name...................................................................................................................44

Accessing the System Remotely.........................................................................................................45

Accessing the Z9500 Remotely....................................................................................................45

Configure the Management Port IP Address............................................................................... 45

Configure a Management Route..................................................................................................46

Configuring a Username and Password.......................................................................................46

Configuring the Enable Password......................................................................................................46

Manage Configuration Files................................................................................................................47

File Storage.................................................................................................................................... 47

Copy Files to and from the System.............................................................................................. 47

Save the Running-Configuration..................................................................................................49

Configure the Overload Bit for a Startup Scenario......................................................................49

Viewing Files..................................................................................................................................49

Changes in Configuration Files.................................................................................................... 50

View Command History...................................................................................................................... 51

Upgrading the Dell Networking OS.................................................................................................... 51

Using Hashes to Validate Software Images........................................................................................ 51

4 Switch Management.......................................................................................... 53

Configuring Privilege Levels................................................................................................................53

Creating a Custom Privilege Level................................................................................................53

Removing a Command from EXEC Mode....................................................................................53

Moving a Command from EXEC Privilege Mode to EXEC Mode................................................ 53

Allowing Access to CONFIGURATION Mode Commands.......................................................... 54

Allowing Access to the Following Modes.................................................................................... 54

Applying a Privilege Level to a Username.................................................................................... 56

Applying a Privilege Level to a Terminal Line...............................................................................56

Configuring Logging...........................................................................................................................56

Audit and Security Logs.................................................................................................................57

Configuring Logging Format ...................................................................................................... 58

Setting Up a Secure Connection to a Syslog Server....................................................................59

Log Messages in the Internal Buffer...................................................................................................60

Configuration Task List for System Log Management................................................................ 60

Disabling System Logging.................................................................................................................. 60

Sending System Messages to a Syslog Server....................................................................................61

Configuring a UNIX System as a Syslog Server............................................................................ 61

Display the Logging Buffer and the Logging Configuration..............................................................61

Changing System Logging Settings....................................................................................................62

Configuring a UNIX Logging Facility Level.........................................................................................63

Synchronizing Log Messages............................................................................................................. 64

Enabling Timestamp on Syslog Messages......................................................................................... 64

File Transfer Services...........................................................................................................................65

Configuration Task List for File Transfer Services........................................................................65

Enabling the FTP Server................................................................................................................ 65

Configuring FTP Server Parameters............................................................................................. 66

Configuring FTP Client Parameters..............................................................................................66

Terminal Lines..................................................................................................................................... 67

Denying and Permitting Access to a Terminal Line..................................................................... 67

Configuring Login Authentication for Terminal Lines................................................................. 67

Setting Time Out of EXEC Privilege Mode......................................................................................... 68

Using Telnet to Access Another Network Device............................................................................. 69

Lock CONFIGURATION Mode............................................................................................................70

Viewing the Configuration Lock Status........................................................................................70

Recovering from a Forgotten Password on the Z9500..................................................................... 71

Ignoring the Startup Configuration and Booting from the Factory-Default Configuration.............71

Recovering from a Failed Start on the Z9500....................................................................................72

Restoring Factory-Default Settings.................................................................................................... 72

Important Points to Remember....................................................................................................72

Restoring Factory-Default Boot Environment Variables..............................................................73

5 802.1X................................................................................................................... 75

The Port-Authentication Process.......................................................................................................76

EAP over RADIUS........................................................................................................................... 77

Configuring 802.1X............................................................................................................................. 78

Related Configuration Tasks.........................................................................................................78

Important Points to Remember..........................................................................................................78

Enabling 802.1X...................................................................................................................................79

Configuring Request Identity Re-Transmissions...............................................................................80

Configuring a Quiet Period after a Failed Authentication............................................................81

Forcibly Authorizing or Unauthorizing a Port....................................................................................82

Re-Authenticating a Port.................................................................................................................... 83

Configuring Timeouts.........................................................................................................................84

Configuring Dynamic VLAN Assignment with Port Authentication..................................................85

Guest and Authentication-Fail VLANs................................................................................................86

Configuring a Guest VLAN............................................................................................................ 87

Configuring an Authentication-Fail VLAN....................................................................................87

6 Access Control Lists (ACLs).............................................................................. 89

IP Access Control Lists (ACLs)............................................................................................................ 89

CAM Usage....................................................................................................................................90

Implementing ACLs ...................................................................................................................... 91

IP Fragment Handling......................................................................................................................... 92

IP Fragments ACL Examples......................................................................................................... 92

Layer 4 ACL Rules Examples.........................................................................................................93

Configure a Standard IP ACL..............................................................................................................94

Configuring a Standard IP ACL Filter............................................................................................ 95

Configure an Extended IP ACL...........................................................................................................96

Configuring Filters with a Sequence Number..............................................................................96

Configuring Filters Without a Sequence Number........................................................................97

Configure Layer 2 and Layer 3 ACLs..................................................................................................98

Using ACL VLAN Groups.....................................................................................................................99

Guidelines for Configuring ACL VLAN Groups............................................................................ 99

Configuring an ACL VLAN Group...............................................................................................100

Allocating ACL VLAN CAM.......................................................................................................... 101

Applying an IP ACL to an Interface................................................................................................... 101

Configure Ingress ACLs...............................................................................................................102

Configure Egress ACLs................................................................................................................103

Applying Egress Layer 3 ACLs (Control-Plane).......................................................................... 103

Counting ACL Hits.......................................................................................................................104

IP Prefix Lists......................................................................................................................................104

Implementation Information...................................................................................................... 105

Configuration Task List for Prefix Lists....................................................................................... 105

ACL Resequencing............................................................................................................................109

Resequencing an ACL or Prefix List............................................................................................109

Route Maps.........................................................................................................................................111

Implementation Information....................................................................................................... 111

Important Points to Remember.........................................................................................................111

Configuration Task List for Route Maps......................................................................................111

Configuring Match Routes.......................................................................................................... 114

Configuring Set Conditions.........................................................................................................115

Configure a Route Map for Route Redistribution.......................................................................116

Configure a Route Map for Route Tagging.................................................................................117

Continue Clause...........................................................................................................................117

7 Bare Metal Provisioning (BMP)....................................................................... 119

Enhanced Behavior of the stop bmp Command............................................................................. 119

Removal of User-Defined String Parameter in the reload-type Command................................... 119

Service Tag Information in the Option 60 String............................................................................. 119

8 Bidirectional Forwarding Detection (BFD).................................................. 120

How BFD Works................................................................................................................................ 120

BFD Packet Format...................................................................................................................... 121

BFD Sessions................................................................................................................................122

BFD Three-Way Handshake........................................................................................................123

Session State Changes................................................................................................................ 124

Important Points to Remember........................................................................................................125

Configure BFD...................................................................................................................................125

Configure BFD for Static Routes.................................................................................................126

Configure BFD for OSPF..............................................................................................................127

Configure BFD for OSPFv3.......................................................................................................... 131

Configure BFD for IS-IS...............................................................................................................132

Configure BFD for BGP............................................................................................................... 135

Configure BFD for VRRP............................................................................................................. 142

Configuring Protocol Liveness....................................................................................................145

9 Border Gateway Protocol IPv4 (BGPv4).......................................................146

Autonomous Systems (AS)................................................................................................................146

Sessions and Peers............................................................................................................................148

Establish a Session.......................................................................................................................149

Route Reflectors................................................................................................................................149

Communities...............................................................................................................................150

BGP Attributes................................................................................................................................... 150

Best Path Selection Criteria......................................................................................................... 151

Weight..........................................................................................................................................153

Local Preference..........................................................................................................................153

Multi-Exit Discriminators (MEDs)................................................................................................ 154

Origin........................................................................................................................................... 155

AS Path.........................................................................................................................................156

Next Hop......................................................................................................................................156

Multiprotocol BGP.............................................................................................................................156

Implement BGP ................................................................................................................................ 157

Additional Path (Add-Path) Support............................................................................................157

Advertise IGP Cost as MED for Redistributed Routes.................................................................157

Ignore Router-ID for Some Best-Path Calculations..................................................................158

Four-Byte AS Numbers............................................................................................................... 158

AS4 Number Representation...................................................................................................... 158

AS Number Migration..................................................................................................................160

BGP4 Management Information Base (MIB).............................................................................. 162

Important Points to Remember..................................................................................................162

Configuration Information................................................................................................................163

BGP Configuration............................................................................................................................ 163

Enabling BGP...............................................................................................................................164

Configuring AS4 Number Representations................................................................................168

Configuring Peer Groups............................................................................................................169

Configuring BGP Fast Fail-Over..................................................................................................172

Configuring Passive Peering....................................................................................................... 174

Maintaining Existing AS Numbers During an AS Migration........................................................ 175

Allowing an AS Number to Appear in its Own AS Path..............................................................176

Enabling Neighbor Graceful Restart........................................................................................... 176

Filtering on an AS-Path Attribute.................................................................................................177

Regular Expressions as Filters..................................................................................................... 179

Redistributing Routes..................................................................................................................180

Enabling Additional Paths............................................................................................................181

Configuring IP Community Lists................................................................................................. 181

Configuring an IP Extended Community List.............................................................................183

Filtering Routes with Community Lists.......................................................................................184

Manipulating the COMMUNITY Attribute...................................................................................184

Changing MED Attributes........................................................................................................... 186

Changing the LOCAL_PREFERENCE Attribute.......................................................................... 186

Changing the NEXT_HOP Attribute............................................................................................187

Changing the WEIGHT Attribute................................................................................................ 188

Enabling Multipath...................................................................................................................... 188

Filtering BGP Routes................................................................................................................... 188

Filtering BGP Routes Using Route Maps.................................................................................... 190

Filtering BGP Routes Using AS-PATH Information.................................................................... 190

Configuring BGP Route Reflectors............................................................................................. 191

Aggregating Routes.....................................................................................................................192

Configuring BGP Confederations...............................................................................................192

Enabling Route Flap Dampening................................................................................................ 193

Changing BGP Timers.................................................................................................................196

Enabling BGP Neighbor Soft-Reconfiguration.......................................................................... 196

Route Map Continue................................................................................................................... 197

Enabling MBGP Configurations........................................................................................................198

BGP Regular Expression Optimization.............................................................................................199

Debugging BGP.................................................................................................................................199

Storing Last and Bad PDUs.........................................................................................................200

Capturing PDUs...........................................................................................................................201

PDU Counters............................................................................................................................. 202

Sample Configurations.....................................................................................................................202

10 Content Addressable Memory (CAM)......................................................... 212

CAM Allocation..................................................................................................................................212

Test CAM Usage................................................................................................................................ 214

View CAM-ACL Settings....................................................................................................................214

View CAM Usage............................................................................................................................... 215

Return to the Default CAM Configuration....................................................................................... 216

CAM Optimization.............................................................................................................................216

Applications for CAM Profiling..........................................................................................................217

LAG HashingLAG Hashing Based on Bidirectional Flow............................................................ 217

11 Control Plane Policing (CoPP)......................................................................218

Z9500 CoPP Implementation...........................................................................................................218

Protocol-based Control Plane Policing..................................................................................... 218

Queue-based Control Plane Policing........................................................................................ 219

CoPP Example.................................................................................................................................. 220

Configure Control Plane Policing.....................................................................................................221

Configuring CoPP for Protocols.................................................................................................221

Examples of Configuring CoPP for Protocols........................................................................... 222

Configuring CoPP for CPU Queues...........................................................................................224

Examples of Configuring CoPP for CPU Queues......................................................................224

Displaying CoPP Configuration..................................................................................................225

Troubleshooting CoPP Operation................................................................................................... 229

Enabling CPU Traffic Statistics................................................................................................... 229

Viewing CPU Traffic Statistics.....................................................................................................229

Troubleshooting CPU Packet Loss.............................................................................................229

Viewing Per-Protocol CoPP Counters.......................................................................................232

Viewing Per-Queue CoPP Counters..........................................................................................234

12 Debugging and Diagnostics......................................................................... 236

Offline Diagnostics........................................................................................................................... 236

Important Points to Remember................................................................................................. 236

Running Offline Diagnostics.......................................................................................................236

Examples of Running Offline Diagnostics..................................................................................237

TRACE Logs.......................................................................................................................................245

Auto Save on Reload, Crash, or Rollover................................................................................... 245

Last Restart Reason.......................................................................................................................... 246

Line Card Restart Causes and Reasons......................................................................................246

show hardware Commands.............................................................................................................246

Environmental Monitoring............................................................................................................... 248

Display Power Supply Status...................................................................................................... 248

Display Fan Status....................................................................................................................... 249

Display Transceiver Type............................................................................................................249

Recognize an Over-Temperature Condition............................................................................. 251

Troubleshoot an Over-Temperature Condition........................................................................252

Troubleshooting Packet Loss...........................................................................................................254

Displaying Drop Counters.......................................................................................................... 254

Displaying Dataplane Statistics...................................................................................................256

Displaying Line-Card Counters.................................................................................................. 257

Accessing Application Core Dumps.................................................................................................258

Mini Core Dumps..............................................................................................................................259

Full Kernel Core Dumps....................................................................................................................259

Enabling TCP Dumps........................................................................................................................260

13 Dynamic Host Configuration Protocol (DHCP)........................................ 261

DHCP Packet Format and Options...................................................................................................261

Assign an IP Address using DHCP....................................................................................................263

Implementation Information............................................................................................................264

Configure the System to be a DHCP Server....................................................................................265

Configuring the Server for Automatic Address Allocation........................................................ 265

Specifying a Default Gateway.....................................................................................................267

Configure a Method of Hostname Resolution...........................................................................267

Using DNS for Address Resolution............................................................................................. 267

Using NetBIOS WINS for Address Resolution............................................................................ 267

Creating Manual Binding Entries................................................................................................268

Debugging the DHCP Server......................................................................................................268

Using DHCP Clear Commands.................................................................................................. 268

Configure the System to be a Relay Agent......................................................................................269

Configure the System to be a DHCP Client..................................................................................... 271

DHCP Client on a Management Interface..................................................................................271

DHCP Client Operation with Other Features.............................................................................272

Configure Secure DHCP...................................................................................................................272

Option 82.....................................................................................................................................273

DHCP Snooping.......................................................................................................................... 273

Drop DHCP Packets on Snooped VLANs Only.......................................................................... 275

Dynamic ARP Inspection............................................................................................................ 276

Configuring Dynamic ARP Inspection........................................................................................277

Source Address Validation................................................................................................................278

Enabling IP Source Address Validation.......................................................................................278

DHCP MAC Source Address Validation......................................................................................279

Enabling IP+MAC Source Address Validation............................................................................ 279

14 Equal Cost Multi-Path (ECMP).....................................................................280

ECMP for Flow-Based Affinity..........................................................................................................280

Enabling Deterministic ECMP Next Hop....................................................................................280

Configuring the Hash Algorithm Seed.......................................................................................280

Link Bundle Monitoring.....................................................................................................................281

Managing ECMP Group Paths.....................................................................................................281

Creating an ECMP Group Bundle...............................................................................................282

Modifying the ECMP Group Threshold......................................................................................282

ECMP Support in L3 Host and LPM Tables......................................................................................283

15 Enabling FIPS Cryptography........................................................................ 285

Configuration Tasks..........................................................................................................................285

Preparing the System........................................................................................................................285

Enabling FIPS Mode..........................................................................................................................286

Generating Host-Keys...................................................................................................................... 286

Monitoring FIPS Mode Status........................................................................................................... 287

Disabling FIPS Mode......................................................................................................................... 287

16 Force10 Resilient Ring Protocol (FRRP).....................................................289

Protocol Overview............................................................................................................................289

Ring Status.................................................................................................................................. 290

Multiple FRRP Rings.....................................................................................................................291

Important FRRP Points................................................................................................................ 291

Important FRRP Concepts.......................................................................................................... 291

Implementing FRRP.......................................................................................................................... 293

FRRP Configuration.......................................................................................................................... 293

Creating the FRRP Group........................................................................................................... 293

Configuring the Control VLAN...................................................................................................294

Configuring and Adding the Member VLANs.............................................................................295

Setting the FRRP Timers............................................................................................................. 296

Clearing the FRRP Counters.......................................................................................................296

Viewing the FRRP Configuration................................................................................................ 297

Viewing the FRRP Information....................................................................................................297

Troubleshooting FRRP......................................................................................................................297

Configuration Checks.................................................................................................................297

Sample Configuration and Topology...............................................................................................297

17 GARP VLAN Registration Protocol (GVRP)................................................ 300

Important Points to Remember.......................................................................................................300

Configure GVRP................................................................................................................................ 301

Related Configuration Tasks.......................................................................................................301

Enabling GVRP Globally....................................................................................................................302

Enabling GVRP on a Layer 2 Interface............................................................................................. 302

Configure GVRP Registration...........................................................................................................302

Configure a GARP Timer.................................................................................................................. 303

18 Internet Group Management Protocol (IGMP).........................................305

IGMP Implementation Information..................................................................................................305

IGMP Protocol Overview..................................................................................................................305

IGMP Version 2............................................................................................................................305

IGMP Version 3............................................................................................................................307

Configure IGMP.................................................................................................................................310

Related Configuration Tasks.......................................................................................................310

Viewing IGMP Enabled Interfaces.....................................................................................................311

Selecting an IGMP Version................................................................................................................ 311

Viewing IGMP Groups....................................................................................................................... 312

Adjusting Timers................................................................................................................................312

Adjusting Query and Response Timers.......................................................................................312

Adjusting the IGMP Querier Timeout Value............................................................................... 313

Configuring a Static IGMP Group..................................................................................................... 313

Enabling IGMP Immediate-Leave.....................................................................................................314

IGMP Snooping................................................................................................................................. 314

IGMP Snooping Implementation Information............................................................................314

Configuring IGMP Snooping.......................................................................................................314

Removing a Group-Port Association..........................................................................................315

Disabling Multicast Flooding.......................................................................................................315

Specifying a Port as Connected to a Multicast Router.............................................................. 316

Configuring the Switch as Querier............................................................................................. 316

Fast Convergence after MSTP Topology Changes.......................................................................... 317

Designating a Multicast Router Interface......................................................................................... 317

19 Interfaces......................................................................................................... 318

Basic Interface Configuration...........................................................................................................318

Advanced Interface Configuration................................................................................................... 318

Port Numbering Convention............................................................................................................ 318

Interface Types..................................................................................................................................319

View Basic Interface Information..................................................................................................... 319

Enabling a Physical Interface............................................................................................................ 321

Physical Interfaces............................................................................................................................ 322

Port Pipes.....................................................................................................................................322

Network Processing Units (NPUs).............................................................................................. 322

Configuration Task List for Physical Interfaces..........................................................................322

Overview of Layer Modes........................................................................................................... 323

Configuring Layer 2 (Data Link) Mode........................................................................................323

Configuring Layer 2 (Interface) Mode........................................................................................ 324

Configuring Layer 3 (Network) Mode.........................................................................................324

Configuring Layer 3 (Interface) Mode........................................................................................ 325

Egress Interface Selection (EIS)........................................................................................................ 325

Important Points to Remember................................................................................................. 326

Configuring EIS........................................................................................................................... 326

Management Interfaces....................................................................................................................326

Configuring a Dedicated Management Interface .....................................................................326

Configuring a Management Interface on an Ethernet Port...................................................... 328

VLAN Interfaces.................................................................................................................................329

Loopback Interfaces......................................................................................................................... 330

Null Interfaces...................................................................................................................................330

Port Channel Interfaces....................................................................................................................330

Port Channel Definition and Standards...................................................................................... 331

Port Channel Benefits..................................................................................................................331

Port Channel Implementation.................................................................................................... 331

10/40 Gbps Interfaces in Port Channels....................................................................................332

Configuration Tasks for Port Channel Interfaces...................................................................... 332

Creating a Port Channel............................................................................................................. 332

Adding a Physical Interface to a Port Channel.......................................................................... 333

Reassigning an Interface to a New Port Channel......................................................................335

Configuring the Minimum Oper Up Links in a Port Channel....................................................336

Adding or Removing a Port Channel from a VLAN................................................................... 336

Assigning an IP Address to a Port Channel................................................................................ 337

Deleting or Disabling a Port Channel.........................................................................................337

Load Balancing Through Port Channels.................................................................................... 337

Load-Balancing Methods............................................................................................................337

Changing the Hash Algorithm....................................................................................................338

Bulk Configuration............................................................................................................................339

Interface Range...........................................................................................................................339

Bulk Configuration Examples..................................................................................................... 339

Defining Interface Range Macros.....................................................................................................341

Define the Interface Range.........................................................................................................342

Choosing an Interface-Range Macro........................................................................................ 342

Monitoring and Maintaining Interfaces............................................................................................342

Displaying Traffic Statistics on HiGig Ports......................................................................................343

Link Bundle Monitoring.................................................................................................................... 344

Monitoring HiGig Link Bundles........................................................................................................ 344

Guidelines for Monitoring HiGig Link-Bundles .........................................................................345

Enabling HiGig Link-Bundle Monitoring....................................................................................346

Splitting QSFP Ports to SFP+ Ports...................................................................................................347

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port...................................................... 347

Link Dampening................................................................................................................................ 352

Important Points to Remember..................................................................................................353

Enabling Link Dampening...........................................................................................................353

Using Ethernet Pause Frames for Flow Control.............................................................................. 355

Threshold Settings...................................................................................................................... 355

Enabling Pause Frames...............................................................................................................356

Configure the MTU Size on an Interface......................................................................................... 356

Auto-Negotiation on Ethernet Interfaces........................................................................................ 357

Set Auto-Negotiation Options................................................................................................... 358

View Advanced Interface Information............................................................................................. 358

Configuring the Interface Sampling Size................................................................................... 359

Dynamic Counters............................................................................................................................360

Clearing Interface Counters........................................................................................................361

20 Internet Protocol Security (IPSec).............................................................. 362

Configuring IPSec ............................................................................................................................ 363

21 IPv4 Routing....................................................................................................364

IP Addresses......................................................................................................................................364

Implementation Information......................................................................................................364

Configuration Tasks for IP Addresses.............................................................................................. 364

Assigning IP Addresses to an Interface............................................................................................ 365

Configuring Static Routes................................................................................................................ 366

Configure Static Routes for the Management Interface................................................................. 367

Enabling Directed Broadcast............................................................................................................367

Resolution of Host Names............................................................................................................... 368

Enabling Dynamic Resolution of Host Names................................................................................ 368

Specifying the Local System Domain and a List of Domains..........................................................369

Configuring DNS with Traceroute................................................................................................... 369

ARP.................................................................................................................................................... 370

Configuration Tasks for ARP.............................................................................................................370

Configuring Static ARP Entries..........................................................................................................371

Enabling Proxy ARP........................................................................................................................... 371

Clearing ARP Cache.......................................................................................................................... 371

ARP Learning via Gratuitous ARP......................................................................................................372

Enabling ARP Learning via Gratuitous ARP...................................................................................... 372

ARP Learning via ARP Request..........................................................................................................372

Configuring ARP Retries....................................................................................................................373

ICMP.................................................................................................................................................. 374

Configuration Tasks for ICMP.......................................................................................................... 374

Enabling ICMP Unreachable Messages............................................................................................374

UDP Helper........................................................................................................................................375

Configure UDP Helper................................................................................................................ 375

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

Enabling UDP Helper........................................................................................................................ 375

Configuring a Broadcast Address.....................................................................................................376

Configurations Using UDP Helper....................................................................................................376

UDP Helper with Broadcast-All Addresses...................................................................................... 376

UDP Helper with Subnet Broadcast Addresses................................................................................377

UDP Helper with Configured Broadcast Addresses........................................................................ 378

UDP Helper with No Configured Broadcast Addresses.................................................................. 378

Troubleshooting UDP Helper...........................................................................................................379

22 IPv6 Routing................................................................................................... 380

Protocol Overview............................................................................................................................380

Extended Address Space............................................................................................................ 380

Stateless Autoconfiguration....................................................................................................... 380

IPv6 Headers................................................................................................................................381

IPv6 Header Fields.......................................................................................................................382

Extension Header Fields..............................................................................................................383

IPv6 Addressing...........................................................................................................................384

IPv6 Implementation on the Dell Networking OS...........................................................................386

Configuring the LPM Table for IPv6 Extended Prefixes.................................................................. 388

ICMPv6..............................................................................................................................................388

Path MTU Discovery......................................................................................................................... 388

IPv6 Neighbor Discovery..................................................................................................................389

IPv6 Neighbor Discovery of MTU Packets.................................................................................390

Configuring the IPv6 Recursive DNS Server..............................................................................390

Secure Shell (SSH) Over an IPv6 Transport......................................................................................392

Configuration Tasks for IPv6............................................................................................................ 392

Adjusting Your CAM Profile........................................................................................................ 393

Assigning an IPv6 Address to an Interface.................................................................................393

Assigning a Static IPv6 Route..................................................................................................... 394

Configuring Telnet with IPv6......................................................................................................395

SNMP over IPv6...........................................................................................................................395

Displaying IPv6 Information....................................................................................................... 395

Displaying an IPv6 Configuration...............................................................................................396

Displaying IPv6 Routes............................................................................................................... 396

Displaying the Running Configuration for an Interface............................................................ 398

Clearing IPv6 Routes...................................................................................................................398

23 Intermediate System to Intermediate System..........................................399

IS-IS Protocol Overview................................................................................................................... 399

IS-IS Addressing................................................................................................................................399

Multi-Topology IS-IS........................................................................................................................400

Transition Mode..........................................................................................................................400

Interface Support........................................................................................................................ 401

Adjacencies..................................................................................................................................401

Graceful Restart................................................................................................................................ 401

Timers..........................................................................................................................................401

Implementation Information............................................................................................................402

Configuration Information............................................................................................................... 403

Configuration Tasks for IS-IS..................................................................................................... 403

Configuring the Distance of a Route..........................................................................................412

Changing the IS-Type................................................................................................................. 412

Redistributing IPv4 Routes..........................................................................................................415

Redistributing IPv6 Routes..........................................................................................................416

Configuring Authentication Passwords......................................................................................417

Setting the Overload Bit.............................................................................................................. 417

Debugging IS-IS.......................................................................................................................... 418

IS-IS Metric Styles..............................................................................................................................419

Configure Metric Values................................................................................................................... 419

Maximum Values in the Routing Table...................................................................................... 420

Change the IS-IS Metric Style in One Level Only......................................................................420

Leaks from One Level to Another.............................................................................................. 422

Sample Configurations..................................................................................................................... 422

24 Link Aggregation Control Protocol (LACP)...............................................425

Introduction to Dynamic LAGs and LACP....................................................................................... 425

Important Points to Remember................................................................................................. 425

LACP Modes................................................................................................................................426

Configuring LACP Commands...................................................................................................426

LACP Configuration Tasks................................................................................................................ 427

Creating a LAG............................................................................................................................ 427

Configuring the LAG Interfaces as Dynamic..............................................................................427

Setting the LACP Long Timeout.................................................................................................428

Monitoring and Debugging LACP.............................................................................................. 429

Shared LAG State Tracking...............................................................................................................429

Configuring Shared LAG State Tracking.................................................................................... 430

Important Points about Shared LAG State Tracking.................................................................. 431

LACP Basic Configuration Example................................................................................................. 432

Configure a LAG on ALPHA........................................................................................................ 432

25 Layer 2..............................................................................................................440

Manage the MAC Address Table......................................................................................................440

Clearing the MAC Address Table............................................................................................... 440

Setting the Aging Time for Dynamic Entries............................................................................. 440

Configuring a Static MAC Address..............................................................................................441

Displaying the MAC Address Table.............................................................................................441

MAC Learning Limit...........................................................................................................................441

Setting the MAC Learning Limit..................................................................................................442

mac learning-limit Dynamic.......................................................................................................442

mac learning-limit mac-address-sticky.....................................................................................442

mac learning-limit station-move............................................................................................... 443

mac learning-limit no-station-move.........................................................................................443

Learning Limit Violation Actions................................................................................................ 444

Setting Station Move Violation Actions......................................................................................444

Recovering from Learning Limit and Station Move Violations................................................. 444

NIC Teaming.....................................................................................................................................445

Configure Redundant Pairs.............................................................................................................. 446

Important Points about Configuring Redundant Pairs..............................................................448

Far-End Failure Detection................................................................................................................ 449

FEFD State Changes....................................................................................................................450

Configuring FEFD........................................................................................................................ 451

Enabling FEFD on an Interface................................................................................................... 452

Debugging FEFD......................................................................................................................... 453

26 Link Layer Discovery Protocol (LLDP)........................................................455

802.1AB (LLDP) Overview.................................................................................................................455

Protocol Data Units.....................................................................................................................455

Optional TLVs....................................................................................................................................456

Management TLVs...................................................................................................................... 456

TIA-1057 (LLDP-MED) Overview......................................................................................................458

TIA Organizationally Specific TLVs.............................................................................................459

Configure LLDP.................................................................................................................................463

Related Configuration Tasks...................................................................................................... 463

Important Points to Remember................................................................................................. 464

LLDP Compatibility..................................................................................................................... 464

CONFIGURATION versus INTERFACE Configurations................................................................... 464

Enabling LLDP...................................................................................................................................465

Disabling and Undoing LLDP......................................................................................................465

Enabling LLDP on Management Ports............................................................................................. 465

Disabling and Undoing LLDP on Management Ports................................................................465

Advertising TLVs................................................................................................................................466

Viewing the LLDP Configuration......................................................................................................467

Viewing Information Advertised by Adjacent LLDP Agents............................................................ 468

Configuring LLDPDU Intervals......................................................................................................... 469

Configuring Transmit and Receive Mode........................................................................................469

Configuring a Time to Live...............................................................................................................470

Debugging LLDP................................................................................................................................471

Relevant Management Objects........................................................................................................ 472

27 Microsoft Network Load Balancing............................................................478

NLB Unicast and Multicast Modes................................................................................................... 478

NLB Unicast Mode Example....................................................................................................... 478

NLB Multicast Mode Example.....................................................................................................479

NLB Benefits......................................................................................................................................479

NLB Restrictions................................................................................................................................479

NLB VLAN Flooding..........................................................................................................................480

Configuring NLB on a Switch...........................................................................................................480

.....................................................................................................................................................480

28 Multicast Source Discovery Protocol (MSDP)...........................................481

Protocol Overview............................................................................................................................ 481

Anycast RP........................................................................................................................................ 483

Implementation Information............................................................................................................483

Configure Multicast Source Discovery Protocol.............................................................................483

Related Configuration Tasks...................................................................................................... 483

Enable MSDP.....................................................................................................................................487

Manage the Source-Active Cache...................................................................................................488

Viewing the Source-Active Cache............................................................................................. 488

Limiting the Source-Active Cache.............................................................................................489

Clearing the Source-Active Cache............................................................................................ 489

Enabling the Rejected Source-Active Cache............................................................................ 489

Accept Source-Active Messages that Fail the RFP Check.............................................................. 489

Specifying Source-Active Messages................................................................................................ 493

Limiting the Source-Active Messages from a Peer......................................................................... 494

Preventing MSDP from Caching a Local Source.............................................................................494

Preventing MSDP from Caching a Remote Source.........................................................................495

Preventing MSDP from Advertising a Local Source........................................................................ 496

Logging Changes in Peership States................................................................................................497

Terminating a Peership.....................................................................................................................497

Clearing Peer Statistics..................................................................................................................... 497

Debugging MSDP............................................................................................................................. 498

MSDP with Anycast RP..................................................................................................................... 498

Configuring Anycast RP................................................................................................................... 500

Reducing Source-Active Message Flooding..............................................................................500

Specifying the RP Address Used in SA Messages...................................................................... 500

MSDP Sample Configurations.......................................................................................................... 503

29 Multiple Spanning Tree Protocol (MSTP).................................................. 506

Protocol Overview............................................................................................................................506

Spanning Tree Variations..................................................................................................................507

Implementation Information...................................................................................................... 507

Configure Multiple Spanning Tree Protocol....................................................................................507

Related Configuration Tasks.......................................................................................................507

Enable Multiple Spanning Tree Globally..........................................................................................508

Adding and Removing Interfaces.....................................................................................................508

Creating Multiple Spanning Tree Instances.....................................................................................508

Influencing MSTP Root Selection.....................................................................................................510

Interoperate with Non-Dell Bridges.................................................................................................510

Changing the Region Name or Revision.......................................................................................... 511

Modifying Global Parameters............................................................................................................511

Modifying the Interface Parameters................................................................................................. 512

Configuring an EdgePort.................................................................................................................. 513

Flush MAC Addresses after a Topology Change..............................................................................514

MSTP Sample Configurations........................................................................................................... 514

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

ConfigurationExample Running-Configuration.........................................................................515

Debugging and Verifying MSTP Configurations.............................................................................. 518

30 Multicast Features..........................................................................................521

Enabling IP Multicast......................................................................................................................... 521

Multicast with ECMP......................................................................................................................... 521

Implementation Information............................................................................................................522

First Packet Forwarding for Lossless Multicast................................................................................ 523

Multicast Policies...............................................................................................................................523

IPv4 Multicast Policies.................................................................................................................523

31 Open Shortest Path First (OSPFv2 and OSPFv3)....................................... 531

Protocol Overview.............................................................................................................................531

Autonomous System (AS) Areas..................................................................................................531

Area Types................................................................................................................................... 532

Networks and Neighbors............................................................................................................533

Router Types............................................................................................................................... 533

Designated and Backup Designated Routers.............................................................................535

Link-State Advertisements (LSAs)............................................................................................... 535

Virtual Links..................................................................................................................................537

Router Priority and Cost..............................................................................................................537

OSPF Implementation...................................................................................................................... 538

Fast Convergence (OSPFv2, IPv4 Only)..................................................................................... 538

Multi-Process OSPFv2 (IPv4 only)..............................................................................................538

RFC-2328 Compliant OSPF Flooding........................................................................................ 539

OSPF ACK Packing......................................................................................................................540

Setting OSPF Adjacency with Cisco Routers.............................................................................540

Configuration Information................................................................................................................541

Configuration Task List for OSPFv2 (OSPF for IPv4).................................................................. 541

Sample Configurations for OSPFv2..................................................................................................556

Basic OSPFv2 Router Topology..................................................................................................556

OSPF Area 0 — Te 1/1 and 1/2....................................................................................................556

OSPF Area 0 — Te 3/1 and 3/2....................................................................................................557

OSPF Area 0 — Te 2/1 and 2/2....................................................................................................557

Configuration Task List for OSPFv3 (OSPF for IPv6)........................................................................557

Enabling IPv6 Unicast Routing................................................................................................... 558

Assigning IPv6 Addresses on an Interface................................................................................. 558

Assigning Area ID on an Interface.............................................................................................. 558

Assigning OSPFv3 Process ID and Router ID Globally.............................................................. 559

Configuring Stub Areas...............................................................................................................559

Configuring Passive-Interface....................................................................................................559

Redistributing Routes................................................................................................................. 560

Configuring a Default Route...................................................................................................... 560

OSPFv3 Authentication Using IPsec........................................................................................... 561

Troubleshooting OSPFv3............................................................................................................568

32 Pay As You Grow ........................................................................................... 570

Installing a License............................................................................................................................570

Displaying License Information........................................................................................................ 573

33 PIM Sparse-Mode (PIM-SM)..........................................................................575

Implementation Information............................................................................................................ 575

Protocol Overview............................................................................................................................ 575

Requesting Multicast Traffic........................................................................................................575

Refuse Multicast Traffic...............................................................................................................576

Send Multicast Traffic..................................................................................................................576

Configuring PIM-SM..........................................................................................................................577

Related Configuration Tasks....................................................................................................... 577

Enable PIM-SM.................................................................................................................................. 577

Configuring S,G Expiry Timers..........................................................................................................578

Configuring a Static Rendezvous Point............................................................................................579

Overriding Bootstrap Router Updates....................................................................................... 580

Configuring a Designated Router.................................................................................................... 580

Creating Multicast Boundaries and Domains...................................................................................581

Enabling PIM-SM Graceful Restart................................................................................................... 581

34 PIM Source-Specific Mode (PIM-SSM).......................................................582

Implementation Information............................................................................................................582

Important Points to Remember................................................................................................. 582

Configure PIM-SMM......................................................................................................................... 583

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

Enabling PIM-SSM.............................................................................................................................583

Use PIM-SSM with IGMP Version 2 Hosts........................................................................................583

Configuring PIM-SSM with IGMPv2........................................................................................... 584

35 Policy-based Routing (PBR)......................................................................... 586

Overview........................................................................................................................................... 586

Implementing Policy-based Routing with Dell Networking OS.....................................................588

Configuration Task List for Policy-based Routing.......................................................................... 588

PBR Exceptions (Permit)..............................................................................................................591

Sample Configuration.......................................................................................................................593

Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View

Redirect-List GOLD.....................................................................................................................594

36 Port Monitoring..............................................................................................596

Local Port Monitoring.......................................................................................................................596

Important Points to Remember................................................................................................. 596

Examples of Port Monitoring......................................................................................................596

Configuring Port Monitoring......................................................................................................598

Remote Port Mirroring......................................................................................................................599

Remote Port Mirroring Example.................................................................................................599

Configuring Remote Port Mirroring...........................................................................................600

Displaying a Remote-Port Mirroring Configuration..................................................................602

Configuring Remote Port Monitoring........................................................................................602

Encapsulated Remote-Port Monitoring.......................................................................................... 606

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Dell Networking Z9500 Specification

Dell Networking Z9500 Specification

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