Dell Networking Z9500 User guide

Dell Networking Configuration Guide for the

Z9500 Switch

9.10(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.

Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be

trademarks of their respective companies.

2016 - 05

Rev. A00

Contents

1 About this Guide.....................................................................................................................................................31

Audience.....................................................................................................................................................................31

Conventions...............................................................................................................................................................31

Related Documents..................................................................................................................................................31

2 Configuration Fundamentals.............................................................................................................................. 32

Accessing the Command Line...............................................................................................................................32

CLI Modes.................................................................................................................................................................. 32

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

The do Command....................................................................................................................................................36

Undoing Commands................................................................................................................................................37

Obtaining Help..........................................................................................................................................................38

Entering and Editing Commands..........................................................................................................................38

Command History....................................................................................................................................................39

Filtering show Command Outputs....................................................................................................................... 39

Example of the grep Keyword......................................................................................................................... 39

Multiple Users in Configuration Mode................................................................................................................. 41

3 Getting Started...................................................................................................................................................... 42

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

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

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

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

Accessing the System Remotely...........................................................................................................................44

Accessing the System Remotely..................................................................................................................... 44

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

Configure a Management Route.....................................................................................................................45

Configuring a Username and Password........................................................................................................ 45

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

Configuration File Management........................................................................................................................... 46

Managing the File System.................................................................................................................................46

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

Save the Running-Configuration.................................................................................................................... 48

Configure the Overload Bit for a Startup Scenario..................................................................................... 48

Using HTTP for File Transfers.......................................................................................................................... 48

View Configuration Files................................................................................................................................... 49

Enabling Software Features on Devices Using a Command Option.............................................................49

View Command History..........................................................................................................................................50

Upgrading Dell Networking OS.............................................................................................................................50

Verify Software Images Before Installation.........................................................................................................50

4 Management.......................................................................................................................................................... 52

Configuring Privilege Levels...................................................................................................................................52

Contents

3

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.........................................................................53

Allowing Access to Different Modes...............................................................................................................53

Applying a Privilege Level to a Username......................................................................................................55

Applying a Privilege Level to a Terminal Line................................................................................................55

Configuring Logging................................................................................................................................................55

Audit and Security Logs.....................................................................................................................................56

Configuring Logging Format ..........................................................................................................................57

Setting Up a Secure Connection to a Syslog Server...................................................................................58

Track Login Activity..................................................................................................................................................59

Restrictions for Tracking Login Activity......................................................................................................... 59

Configuring Login Activity Tracking............................................................................................................... 59

Display Login Statistics......................................................................................................................................60

Limit Concurrent Login Sessions...........................................................................................................................61

Restrictions for Limiting the Number of Concurrent Sessions................................................................. 61

Configuring Concurrent Session Limit...........................................................................................................61

Enabling the System to Clear Existing Sessions...........................................................................................62

Log Messages in the Internal Buffer.....................................................................................................................62

Configuration Task List for System Log Management............................................................................... 63

Disabling System Logging...................................................................................................................................... 63

Sending System Messages to a Syslog Server....................................................................................................63

Configuring a UNIX System as a Syslog Server............................................................................................ 63

Display the Logging Buffer and the Logging Configuration........................................................................... 64

Changing System Logging Settings......................................................................................................................64

Configuring a UNIX Logging Facility Level..........................................................................................................65

Synchronizing Log Messages................................................................................................................................ 66

Enabling Timestamp on Syslog Messages...........................................................................................................67

File Transfer Services............................................................................................................................................... 67

Configuration Task List for File Transfer Services........................................................................................67

Enabling the FTP Server.....................................................................................................................................67

Configuring FTP Server Parameters............................................................................................................... 68

Configuring FTP Client Parameters................................................................................................................68

Terminal Lines...........................................................................................................................................................69

Denying and Permitting Access to a Terminal Line.................................................................................... 69

Configuring Login Authentication for Terminal Lines................................................................................ 70

Setting Timeout for EXEC Privilege Mode........................................................................................................... 71

Using Telnet to get to Another Network Device................................................................................................71

Lock CONFIGURATION Mode...............................................................................................................................72

Viewing the Configuration Lock Status..........................................................................................................72

Recovering from a Forgotten Password on the Z9000 System.....................................................................73

Ignoring the Startup Configuration and Booting from the Factory-Default Configuration.....................74

Recovering from a Failed Start on the Z9000 System......................................................................................74

Restoring the Factory Default Settings................................................................................................................ 75

Important Points to Remember.......................................................................................................................75

Restoring Factory Default Environment Variables....................................................................................... 75

9.10(0.1)

4

5 802.1X...................................................................................................................................................................... 78

Port-Authentication Process................................................................................................................................. 80

EAP over RADIUS.................................................................................................................................................81

Configuring 802.1X.................................................................................................................................................. 82

Related Configuration Tasks............................................................................................................................ 82

Important Points to Remember............................................................................................................................ 82

Enabling 802.1X........................................................................................................................................................ 83

Configuring dot1x Profile ...................................................................................................................................... 84

Configuring the Static MAB and MAB Profile .................................................................................................... 85

Configuring Critical VLAN ..................................................................................................................................... 85

Configuring MAC addresses for a do1x Profile.................................................................................................. 86

Configuring Request Identity Re-Transmissions............................................................................................... 87

Configuring a Quiet Period after a Failed Authentication..........................................................................87

Forcibly Authorizing or Unauthorizing a Port.................................................................................................... 88

Re-Authenticating a Port........................................................................................................................................89

Configuring Timeouts............................................................................................................................................. 90

Configuring Dynamic VLAN Assignment with Port Authentication...............................................................91

Guest and Authentication-Fail VLANs..................................................................................................................92

Configuring a Guest VLAN................................................................................................................................92

Configuring an Authentication-Fail VLAN.....................................................................................................92

6 Access Control Lists (ACLs)................................................................................................................................. 94

IP Access Control Lists (ACLs)............................................................................................................................... 95

CAM Usage...........................................................................................................................................................95

Implementing ACLs on Dell Networking OS................................................................................................96

IP Fragment Handling..............................................................................................................................................98

IP Fragments ACL Examples............................................................................................................................ 98

Layer 4 ACL Rules Examples............................................................................................................................ 98

Configure a Standard IP ACL................................................................................................................................. 99

Configuring a Standard IP ACL Filter............................................................................................................100

Configure an Extended IP ACL............................................................................................................................ 101

Configuring Filters with a Sequence Number.............................................................................................101

Configuring Filters Without a Sequence Number..................................................................................... 102

Configure Layer 2 and Layer 3 ACLs.................................................................................................................. 103

Using ACL VLAN Groups.......................................................................................................................................103

Guidelines for Configuring ACL VLAN Groups...........................................................................................104

Configuring an ACL VLAN Group..................................................................................................................104

Allocating ACL VLAN CAM..............................................................................................................................105

Applying an IP ACL.................................................................................................................................................105

Configure Ingress ACLs...................................................................................................................................106

Configure Egress ACLs.................................................................................................................................... 107

Applying Egress Layer 3 ACLs (Control-Plane).......................................................................................... 108

Counting ACL Hits............................................................................................................................................108

IP Prefix Lists............................................................................................................................................................108

Implementation Information..........................................................................................................................109

Configuration Task List for Prefix Lists.........................................................................................................109

Contents

5

ACL Resequencing..................................................................................................................................................112

Resequencing an ACL or Prefix List...............................................................................................................113

Route Maps.............................................................................................................................................................. 114

Implementation Information.......................................................................................................................... 114

Important Points to Remember...........................................................................................................................114

Configuration Task List for Route Maps....................................................................................................... 115

Configuring Match Routes.............................................................................................................................. 117

Configuring Set Conditions............................................................................................................................ 118

Configure a Route Map for Route Redistribution...................................................................................... 119

Configure a Route Map for Route Tagging................................................................................................. 119

Continue Clause............................................................................................................................................... 120

Configuring UDF ACL............................................................................................................................................ 120

7 Bare Metal Provisioning (BMP)..........................................................................................................................124

Support for BMP on the S6000 Switch..............................................................................................................124

Enhanced Behavior of the stop bmp Command.............................................................................................124

Removal of the Deprecated User-Defined String Parameter with reload-type Command...................124

Service Tag Information in the Option 60 String.............................................................................................124

Replacement of stop jump-start Command With the stop bmp Command............................................124

8 Bidirectional Forwarding Detection (BFD)..................................................................................................... 125

How BFD Works......................................................................................................................................................125

BFD Packet Format...........................................................................................................................................126

BFD Sessions......................................................................................................................................................127

BFD Three-Way Handshake........................................................................................................................... 128

Session State Changes.................................................................................................................................... 130

Important Points to Remember.......................................................................................................................... 130

Configure BFD.........................................................................................................................................................130

Configure BFD for Static Routes....................................................................................................................131

Configure BFD for OSPF..................................................................................................................................132

Configure BFD for OSPFv3............................................................................................................................. 135

Configure BFD for IS-IS...................................................................................................................................136

Configure BFD for BGP................................................................................................................................... 138

Configure BFD for VRRP................................................................................................................................. 145

Configuring Protocol Liveness.......................................................................................................................147

9 Border Gateway Protocol IPv4 (BGPv4)......................................................................................................... 148

Autonomous Systems (AS)................................................................................................................................... 148

Sessions and Peers.................................................................................................................................................150

Establish a Session............................................................................................................................................ 151

Route Reflectors......................................................................................................................................................151

BGP Attributes......................................................................................................................................................... 152

Best Path Selection Criteria............................................................................................................................ 153

Weight................................................................................................................................................................. 155

Local Preference............................................................................................................................................... 155

Multi-Exit Discriminators (MEDs)...................................................................................................................155

Origin...................................................................................................................................................................156

9.10(0.1)

6

AS Path................................................................................................................................................................ 157

Next Hop.............................................................................................................................................................157

Multiprotocol BGP.................................................................................................................................................. 157

Implement BGP with Dell Networking OS........................................................................................................ 158

Additional Path (Add-Path) Support..............................................................................................................158

Advertise IGP Cost as MED for Redistributed Routes............................................................................... 158

Ignore Router-ID in Best-Path Calculation.................................................................................................159

Four-Byte AS Numbers....................................................................................................................................159

AS4 Number Representation..........................................................................................................................159

AS Number Migration.......................................................................................................................................161

BGP4 Management Information Base (MIB)...............................................................................................163

Important Points to Remember.....................................................................................................................163

Configuration Information................................................................................................................................... 164

BGP Configuration................................................................................................................................................. 164

Enabling BGP..................................................................................................................................................... 165

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

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

Configuring BGP Fast Fall-Over.....................................................................................................................172

Configuring Passive Peering...........................................................................................................................173

Maintaining Existing AS Numbers During an AS Migration...................................................................... 174

Allowing an AS Number to Appear in its Own AS Path.............................................................................175

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

Filtering on an AS-Path Attribute...................................................................................................................176

Regular Expressions as Filters.........................................................................................................................178

Redistributing Routes.......................................................................................................................................179

Enabling Additional Paths............................................................................................................................... 180

Configuring IP Community Lists................................................................................................................... 180

Configuring an IP Extended Community List..............................................................................................181

Filtering Routes with Community Lists........................................................................................................ 182

Manipulating the COMMUNITY Attribute.................................................................................................... 183

Changing MED Attributes............................................................................................................................... 184

Changing the LOCAL_PREFERENCE Attribute...........................................................................................184

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

Routes................................................................................................................................................................. 185

Changing the WEIGHT Attribute................................................................................................................... 186

Enabling Multipath............................................................................................................................................186

Filtering BGP Routes........................................................................................................................................ 186

Filtering BGP Routes Using Route Maps......................................................................................................188

Filtering BGP Routes Using AS-PATH Information....................................................................................188

Configuring BGP Route Reflectors...............................................................................................................189

Aggregating Routes..........................................................................................................................................189

Configuring BGP Confederations................................................................................................................. 190

Enabling Route Flap Dampening...................................................................................................................190

Changing BGP Timers......................................................................................................................................193

Enabling BGP Neighbor Soft-Reconfiguration...........................................................................................193

Route Map Continue........................................................................................................................................194

Enabling MBGP Configurations...........................................................................................................................195

Contents

7

BGP Regular Expression Optimization...............................................................................................................195

Debugging BGP...................................................................................................................................................... 196

Storing Last and Bad PDUs.............................................................................................................................196

Capturing PDUs.................................................................................................................................................197

PDU Counters................................................................................................................................................... 198

Sample Configurations..........................................................................................................................................199

10 Content Addressable Memory (CAM)............................................................................................................205

CAM Allocation.......................................................................................................................................................205

Test CAM Usage..................................................................................................................................................... 207

View CAM-ACL Settings....................................................................................................................................... 207

View CAM Usage....................................................................................................................................................208

Return to the Default CAM Configuration........................................................................................................209

CAM Optimization................................................................................................................................................. 209

Applications for CAM Profiling............................................................................................................................209

LAG HashingLAG Hashing Based on Bidirectional Flow..........................................................................209

Unified Forwarding Table (UFT) Modes............................................................................................................. 210

Configuring UFT Modes..................................................................................................................................210

11 Control Plane Policing (CoPP).........................................................................................................................211

Z9500 CoPP Implementation..............................................................................................................................213

Protocol-based Control Plane Policing.......................................................................................................213

Queue-based Control Plane Policing.......................................................................................................... 213

CoPP Example.........................................................................................................................................................215

Configure Control Plane Policing.......................................................................................................................216

Configuring CoPP for Protocols....................................................................................................................216

Examples of Configuring CoPP for Protocols............................................................................................219

Configuring CoPP for CPU Queues.............................................................................................................220

Examples of Configuring CoPP for CPU Queues...................................................................................... 221

Displaying CoPP Configuration .................................................................................................................... 221

Troubleshooting CoPP Operation......................................................................................................................224

Enabling CPU Traffic Statistics.......................................................................................................................224

Viewing CPU Traffic Statistics........................................................................................................................224

Troubleshooting CPU Packet Loss...............................................................................................................224

Viewing Per-Protocol CoPP Counters........................................................................................................ 226

Viewing Per-Queue CoPP Counters............................................................................................................228

12 Data Center Bridging (DCB)............................................................................................................................ 230

Ethernet Enhancements in Data Center Bridging...........................................................................................230

Priority-Based Flow Control...........................................................................................................................232

Enhanced Transmission Selection................................................................................................................233

Data Center Bridging Exchange Protocol (DCBx).....................................................................................234

Data Center Bridging in a Traffic Flow.........................................................................................................234

Priority-Based Flow Control................................................................................................................................ 234

Enhanced Transmission Selection......................................................................................................................235

Data Center Bridging Exchange Protocol (DCBx)...........................................................................................236

Enabling Data Center Bridging............................................................................................................................ 237

9.10(0.1)

8

DCB Maps and its Attributes...........................................................................................................................237

Data Center Bridging: Default Configuration.................................................................................................. 238

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

Configuring Lossless Queues........................................................................................................................ 239

Configuring PFC in a DCB Map...........................................................................................................................240

PFC Configuration Notes............................................................................................................................... 240

PFC Prerequisites and Restrictions............................................................................................................... 241

Applying a DCB Map on a Port............................................................................................................................242

Configuring PFC without a DCB Map................................................................................................................242

Configuring Lossless QueuesExample:....................................................................................................... 243

Priority-Based Flow Control Using Dynamic Buffer Method....................................................................... 244

Pause and Resume of Traffic.........................................................................................................................244

Buffer Sizes for Lossless or PFC Packets.....................................................................................................245

Behavior of Tagged Packets................................................................................................................................ 245

Operations on Untagged Packets...................................................................................................................... 246

Configuration Example for DSCP and PFC Priorities..................................................................................... 246

SNMP Support for PFC and Buffer Statistics Tracking....................................................................................247

Generation of PFC for a Priority for Untagged Packets.................................................................................247

Performing PFC Using DSCP Bits Instead of 802.1p Bits...............................................................................247

PFC and ETS Configuration Examples...............................................................................................................248

Using PFC to Manage Converged Ethernet Traffic.........................................................................................248

Configure Enhanced Transmission Selection..................................................................................................248

ETS Prerequisites and Restrictions............................................................................................................... 249

Creating an ETS Priority Group..................................................................................................................... 249

ETS Operation with DCBx.............................................................................................................................. 250

Configuring Bandwidth Allocation for DCBx CIN..................................................................................... 250

Hierarchical Scheduling in ETS Output Policies...............................................................................................251

Applying the DCB Policies on Linecard.............................................................................................................252

Applying DCB Policies on SFM Ports..................................................................................................................252

Using ETS to Manage Converged Ethernet Traffic......................................................................................... 252

Configure a DCBx Operation...............................................................................................................................252

DCBx Operation................................................................................................................................................253

DCBx Port Roles............................................................................................................................................... 253

DCB Configuration Exchange....................................................................................................................... 254

Configuration Source Election...................................................................................................................... 255

Propagation of DCB Information..................................................................................................................255

Auto-Detection and Manual Configuration of the DCBx Version......................................................... 255

DCBx Example.................................................................................................................................................. 256

DCBx Prerequisites and Restrictions............................................................................................................256

Configuring DCBx.............................................................................................................................................257

Verifying the DCB Configuration........................................................................................................................260

QoS dot1p Traffic Classification and Queue Assignment............................................................................. 266

Configuring the Dynamic Buffer Method......................................................................................................... 267

Sample DCB Configuration..................................................................................................................................268

PFC and ETS Configuration Command Examples.................................................................................... 270

13 Debugging and Diagnostics............................................................................................................................ 271

Contents

9

Offline Diagnostics................................................................................................................................................. 271

Important Points to Remember.....................................................................................................................271

Running Offline Diagnostics...........................................................................................................................271

Examples of Running Offline Diagnostics.................................................................................................. 280

TRACE Logs............................................................................................................................................................. 287

Auto Save on Crash or Rollover.................................................................................................................... 287

Last Restart Reason................................................................................................................................................287

show hardware Commands.................................................................................................................................287

Environmental Monitoring................................................................................................................................... 290

Display Power Supply Status..........................................................................................................................290

Display Fan Status.............................................................................................................................................291

Display Transceiver Type................................................................................................................................ 291

Recognize an Over-Temperature Condition............................................................................................. 293

Troubleshoot an Over-Temperature Condition........................................................................................294

Troubleshooting Packet Loss.............................................................................................................................. 295

Displaying Drop Counters.............................................................................................................................. 295

Displaying Dataplane Statistics......................................................................................................................297

Displaying Line Card Counters......................................................................................................................299

Accessing Application Core Dumps.................................................................................................................. 300

Mini Core Dumps...................................................................................................................................................300

Full Kernel Core Dumps........................................................................................................................................301

Enabling TCP Dumps.............................................................................................................................................301

14 Dynamic Host Configuration Protocol (DHCP)...........................................................................................303

DHCP Packet Format and Options.................................................................................................................... 303

Assign an IP Address using DHCP...................................................................................................................... 305

Implementation Information...............................................................................................................................306

Configure the System to be a DHCP Server.................................................................................................... 306

Configuring the Server for Automatic Address Allocation...................................................................... 307

Specifying a Default Gateway........................................................................................................................308

Configure a Method of Hostname Resolution.......................................................................................... 308

Using DNS for Address Resolution...............................................................................................................308

Using NetBIOS WINS for Address Resolution............................................................................................ 309

Creating Manual Binding Entries...................................................................................................................309

Debugging the DHCP Server.........................................................................................................................309

Using DHCP Clear Commands......................................................................................................................310

Configure the System to be a Relay Agent.......................................................................................................310

Configure the System to be a DHCP Client......................................................................................................312

DHCP Client on a Management Interface...................................................................................................312

DHCP Client Operation with Other Features............................................................................................. 312

Configure Secure DHCP....................................................................................................................................... 313

Option 82........................................................................................................................................................... 313

DHCP Snooping................................................................................................................................................314

Configuring the DHCP secondary-subnet.................................................................................................. 317

Drop DHCP Packets on Snooped VLANs Only.......................................................................................... 318

Dynamic ARP Inspection.................................................................................................................................318

Configuring Dynamic ARP Inspection..........................................................................................................319

9.10(0.1)

10

Source Address Validation................................................................................................................................... 320

Enabling IP Source Address Validation........................................................................................................320

DHCP MAC Source Address Validation........................................................................................................321

Enabling IP+MAC Source Address Validation.............................................................................................321

Viewing the Number of SAV Dropped Packets..........................................................................................322

Clearing the Number of SAV Dropped Packets......................................................................................... 322

15 Equal Cost Multi-Path (ECMP)........................................................................................................................ 323

ECMP for Flow-Based Affinity............................................................................................................................. 323

Enabling Deterministic ECMP Next Hop..................................................................................................... 323

Configuring the Hash Algorithm Seed.........................................................................................................323

Link Bundle Monitoring.........................................................................................................................................324

Managing ECMP Group Paths....................................................................................................................... 324

Creating an ECMP Group Bundle................................................................................................................. 324

Modifying the ECMP Group Threshold........................................................................................................325

RTAG7....................................................................................................................................................................... 325

Flow-based Hashing for ECMP........................................................................................................................... 327

ECMP Support in L3 Host and LPM Tables.......................................................................................................329

16 FIP Snooping...................................................................................................................................................... 331

Fibre Channel over Ethernet................................................................................................................................ 331

Ensure Robustness in a Converged Ethernet Network.................................................................................. 331

FIP Snooping on Ethernet Bridges......................................................................................................................333

Using FIP Snooping................................................................................................................................................335

FIP Snooping Prerequisites.............................................................................................................................335

Important Points to Remember.................................................................................................................... 335

Enabling the FCoE Transit Feature............................................................................................................... 336

Enable FIP Snooping on VLANs.....................................................................................................................336

Configure the FC-MAP Value.........................................................................................................................337

Configure a Port for a Bridge-to-Bridge Link.............................................................................................337

Configure a Port for a Bridge-to-FCF Link................................................................................................. 337

Impact on Other Software Features............................................................................................................. 337

FIP Snooping Restrictions...............................................................................................................................338

Configuring FIP Snooping.............................................................................................................................. 338

FCoE Transit Configuration Example.................................................................................................................339

Displaying FIP Snooping Information................................................................................................................340

17 FIPS Cryptography............................................................................................................................................344

Configuration Tasks...............................................................................................................................................344

Preparing the System............................................................................................................................................ 344

Enabling FIPS Mode............................................................................................................................................... 345

Generating Host-Keys...........................................................................................................................................345

Monitoring FIPS Mode Status.............................................................................................................................. 345

Disabling FIPS Mode..............................................................................................................................................348

18 Flex Hash............................................................................................................................................................ 349

Flex Hash Capability Overview............................................................................................................................349

Contents

11

Configuring the Flex Hash Mechanism............................................................................................................. 349

RDMA Over Converged Ethernet (RoCE) Overview....................................................................................... 350

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces............................................................................351

19 Force10 Resilient Ring Protocol (FRRP)........................................................................................................352

Protocol Overview................................................................................................................................................. 352

Ring Status......................................................................................................................................................... 353

Multiple FRRP Rings......................................................................................................................................... 353

Important FRRP Points.................................................................................................................................... 354

Important FRRP Concepts..............................................................................................................................355

Implementing FRRP............................................................................................................................................... 356

FRRP Configuration............................................................................................................................................... 356

Creating the FRRP Group............................................................................................................................... 356

Configuring the Control VLAN...................................................................................................................... 357

Configuring and Adding the Member VLANs.............................................................................................358

Setting the FRRP Timers..................................................................................................................................359

Clearing the FRRP Counters.......................................................................................................................... 359

Viewing the FRRP Configuration...................................................................................................................359

Viewing the FRRP Information...................................................................................................................... 359

Troubleshooting FRRP..........................................................................................................................................360

Configuration Checks..................................................................................................................................... 360

Sample Configuration and Topology................................................................................................................ 360

20 GARP VLAN Registration Protocol (GVRP)...................................................................................................362

Important Points to Remember.......................................................................................................................... 362

Configure GVRP..................................................................................................................................................... 363

Related Configuration Tasks..........................................................................................................................363

Enabling GVRP Globally........................................................................................................................................363

Enabling GVRP on a Layer 2 Interface...............................................................................................................364

Configure GVRP Registration.............................................................................................................................. 364

Configure a GARP Timer...................................................................................................................................... 365

21 Internet Group Management Protocol (IGMP)............................................................................................366

IGMP Implementation Information....................................................................................................................366

IGMP Protocol Overview......................................................................................................................................366

IGMP Version 2................................................................................................................................................. 366

IGMP Version 3................................................................................................................................................. 368

Configure IGMP......................................................................................................................................................370

Related Configuration Tasks...........................................................................................................................371

Viewing IGMP Enabled Interfaces....................................................................................................................... 371

Selecting an IGMP Version....................................................................................................................................371

Viewing IGMP Groups........................................................................................................................................... 372

Adjusting Timers..................................................................................................................................................... 372

Adjusting Query and Response Timers........................................................................................................372

Adjusting the IGMP Querier Timeout Value................................................................................................373

Configuring a Static IGMP Group....................................................................................................................... 373

Enabling IGMP Immediate-Leave....................................................................................................................... 373

9.10(0.1)

12

IGMP Snooping.......................................................................................................................................................374

IGMP Snooping Implementation Information............................................................................................374

Configuring IGMP Snooping..........................................................................................................................374

Removing a Group-Port Association........................................................................................................... 375

Disabling Multicast Flooding.......................................................................................................................... 375

Specifying a Port as Connected to a Multicast Router.............................................................................375

Configuring the Switch as Querier............................................................................................................... 376

Fast Convergence after MSTP Topology Changes......................................................................................... 376

Designating a Multicast Router Interface..........................................................................................................376

22 Interfaces............................................................................................................................................................ 377

Basic Interface Configuration.............................................................................................................................. 377

Advanced Interface Configuration......................................................................................................................377

Port Numbering Convention............................................................................................................................... 378

Interface Types....................................................................................................................................................... 379

View Basic Interface Information........................................................................................................................379

Resetting an Interface to its Factory Default State......................................................................................... 380

Enabling a Physical Interface............................................................................................................................... 381

Physical Interfaces..................................................................................................................................................381

Port-Pipes.......................................................................................................................................................... 382

Network Processing Units (NPUs)................................................................................................................ 382

Configuration Task List for Physical Interfaces..........................................................................................382

Overview of Layer Modes...............................................................................................................................382

Configuring Layer 2 (Data Link) Mode......................................................................................................... 383

Configuring Layer 2 (Interface) Mode..........................................................................................................383

Configuring Layer 3 (Network) Mode.......................................................................................................... 384

Configuring Layer 3 (Interface) Mode..........................................................................................................384

Egress Interface Selection (EIS)...........................................................................................................................385

Important Points to Remember.................................................................................................................... 385

Configuring EIS.................................................................................................................................................385

Management Interfaces........................................................................................................................................386

Configuring Management Interfaces...........................................................................................................386

Configuring a Management Interface on an Ethernet Port.................................................................... 387

VLAN Interfaces......................................................................................................................................................388

Loopback Interfaces..............................................................................................................................................389

Null Interfaces.........................................................................................................................................................389

Port Channel Interfaces........................................................................................................................................389

Port Channel Definition and Standards.......................................................................................................389

Port Channel Benefits..................................................................................................................................... 390

Port Channel Implementation.......................................................................................................................390

Interfaces in Port Channels............................................................................................................................390

Configuration Tasks for Port Channel Interfaces...................................................................................... 391

Creating a Port Channel..................................................................................................................................391

Adding a Physical Interface to a Port Channel...........................................................................................391

Reassigning an Interface to a New Port Channel......................................................................................393

Configuring the Minimum Oper Up Links in a Port Channel..................................................................394

Adding or Removing a Port Channel from a VLAN...................................................................................394

Contents

13

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

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

Load Balancing Through Port Channels..................................................................................................... 396

Changing the Hash Algorithm.......................................................................................................................396

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

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

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

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

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

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

Monitoring and Maintaining Interfaces.............................................................................................................400

Displaying Traffic Statistics on HiGig Ports.......................................................................................................401

Link Bundle Monitoring.........................................................................................................................................401

Monitoring HiGig Link Bundles........................................................................................................................... 402

Guidelines for Monitoring HiGig Link-Bundles .........................................................................................402

Enabling HiGig Link-Bundle Monitoring..................................................................................................... 403

Splitting 40G Ports without Reload................................................................................................................... 404

Splitting QSFP Ports to SFP+ Ports.................................................................................................................... 405

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port....................................................................405

Configuring wavelength for 10–Gigabit SFP+ optics.................................................................................... 406

Link Dampening..................................................................................................................................................... 407

Important Points to Remember.................................................................................................................... 407

Enabling Link Dampening...............................................................................................................................407

Using Ethernet Pause Frames for Flow Control..............................................................................................409

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

Configure the MTU Size on an Interface...........................................................................................................410

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

Set Auto-Negotiation Options....................................................................................................................... 411

View Advanced Interface Information............................................................................................................... 412

Configuring the Interface Sampling Size.....................................................................................................412

Dynamic Counters................................................................................................................................................. 413

Clearing Interface Counters...........................................................................................................................414

23 Internet Protocol Security (IPSec)................................................................................................................. 415

Configuring IPSec ..................................................................................................................................................415

24 IPv4 Routing.......................................................................................................................................................417

IP Addresses.............................................................................................................................................................418

Implementation Information..........................................................................................................................418

Configuration Tasks for IP Addresses................................................................................................................ 418

Assigning IP Addresses to an Interface..............................................................................................................418

Configuring Static Routes.....................................................................................................................................419

Configure Static Routes for the Management Interface............................................................................... 420

Enabling Directed Broadcast...............................................................................................................................420

Resolution of Host Names....................................................................................................................................421

Enabling Dynamic Resolution of Host Names................................................................................................. 421

Specifying the Local System Domain and a List of Domains........................................................................421

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Configuring DNS with Traceroute......................................................................................................................422

ARP............................................................................................................................................................................ 423

Configuration Tasks for ARP................................................................................................................................423

Configuring Static ARP Entries............................................................................................................................ 423

Enabling Proxy ARP............................................................................................................................................... 424

Clearing ARP Cache.............................................................................................................................................. 424

ARP Learning via Gratuitous ARP........................................................................................................................424

Enabling ARP Learning via Gratuitous ARP.......................................................................................................424

ARP Learning via ARP Request............................................................................................................................ 425

Configuring ARP Retries....................................................................................................................................... 425

ICMP......................................................................................................................................................................... 426

Configuration Tasks for ICMP............................................................................................................................. 426

Enabling ICMP Unreachable Messages............................................................................................................. 426

UDP Helper..............................................................................................................................................................427

Configure UDP Helper.................................................................................................................................... 427

Important Points to Remember.................................................................................................................... 427

Enabling UDP Helper.............................................................................................................................................427

Configuring a Broadcast Address....................................................................................................................... 427

Configurations Using UDP Helper......................................................................................................................428

UDP Helper with Broadcast-All Addresses.......................................................................................................428

UDP Helper with Subnet Broadcast Addresses............................................................................................... 429

UDP Helper with Configured Broadcast Addresses....................................................................................... 429

UDP Helper with No Configured Broadcast Addresses.................................................................................430

Troubleshooting UDP Helper..............................................................................................................................430

25 IPv6 Routing.......................................................................................................................................................431

Protocol Overview................................................................................................................................................. 431

Extended Address Space.................................................................................................................................432

Stateless Autoconfiguration...........................................................................................................................432

IPv6 Headers..................................................................................................................................................... 432

IPv6 Header Fields............................................................................................................................................433

Extension Header Fields..................................................................................................................................435

Addressing......................................................................................................................................................... 436

Implementing IPv6 with Dell Networking OS.................................................................................................. 437

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support................................................................. 437

ICMPv6..................................................................................................................................................................... 437

Path MTU Discovery.............................................................................................................................................. 437

IPv6 Neighbor Discovery......................................................................................................................................438

IPv6 Neighbor Discovery of MTU Packets..................................................................................................439

Configuration Task List for IPv6 RDNSS......................................................................................................439

Secure Shell (SSH) Over an IPv6 Transport.......................................................................................................441

Configuration Tasks for IPv6................................................................................................................................441

Adjusting Your CAM-Profile........................................................................................................................... 441

Assigning an IPv6 Address to an Interface..................................................................................................442

Assigning a Static IPv6 Route.........................................................................................................................443

Configuring Telnet with IPv6.........................................................................................................................443

SNMP over IPv6................................................................................................................................................ 443

Contents

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Displaying IPv6 Information...........................................................................................................................444

Displaying an IPv6 Interface Information....................................................................................................444

Showing IPv6 Routes.......................................................................................................................................445

Showing the Running-Configuration for an Interface.............................................................................446

Clearing IPv6 Routes....................................................................................................................................... 447

Configuring IPv6 RA Guard..................................................................................................................................447

Configuring IPv6 RA Guard on an Interface...............................................................................................449

Monitoring IPv6 RA Guard..............................................................................................................................449

26 iSCSI Optimization........................................................................................................................................... 450

iSCSI Optimization Overview.............................................................................................................................. 450

Default iSCSI Optimization Values..................................................................................................................... 452

iSCSI Optimization Prerequisites........................................................................................................................ 452

Configuring iSCSI Optimization..........................................................................................................................452

Displaying iSCSI Optimization Information......................................................................................................454

Enable and Disable iSCSI Optimization.............................................................................................................456

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 456

Monitoring iSCSI Traffic Flows............................................................................................................................ 456

Information Monitored in iSCSI Traffic Flows.................................................................................................. 457

Detection and Auto-Configuration for Dell EqualLogic Arrays....................................................................457

Configuring Detection and Ports for Dell Compellent Arrays......................................................................458

Application of Quality of Service to iSCSI Traffic Flows................................................................................ 458

27 Intermediate System to Intermediate System.............................................................................................459

IS-IS Protocol Overview....................................................................................................................................... 459

IS-IS Addressing......................................................................................................................................................459

Multi-Topology IS-IS.............................................................................................................................................460

Transition Mode............................................................................................................................................... 460

Interface Support..............................................................................................................................................461

Adjacencies........................................................................................................................................................461

Graceful Restart...................................................................................................................................................... 461

Timers................................................................................................................................................................. 461

Implementation Information............................................................................................................................... 462

Configuration Information...................................................................................................................................462

Configuration Tasks for IS-IS.........................................................................................................................463

Configuring the Distance of a Route........................................................................................................... 470

Changing the IS-Type......................................................................................................................................471

Redistributing IPv4 Routes..............................................................................................................................473

Redistributing IPv6 Routes............................................................................................................................. 474

Configuring Authentication Passwords....................................................................................................... 475

Setting the Overload Bit..................................................................................................................................475

Debugging IS-IS................................................................................................................................................476

IS-IS Metric Styles...................................................................................................................................................477

Configure Metric Values........................................................................................................................................477

Maximum Values in the Routing Table........................................................................................................ 477

Change the IS-IS Metric Style in One Level Only...................................................................................... 477

Leaks from One Level to Another.................................................................................................................479

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Sample Configurations.........................................................................................................................................480

28 Link Aggregation Control Protocol (LACP)................................................................................................. 482

Introduction to Dynamic LAGs and LACP........................................................................................................ 482

Important Points to Remember.................................................................................................................... 482

LACP Modes...................................................................................................................................................... 483

Configuring LACP Commands......................................................................................................................483

LACP Configuration Tasks................................................................................................................................... 484

Creating a LAG..................................................................................................................................................484

Configuring the LAG Interfaces as Dynamic..............................................................................................484

Setting the LACP Long Timeout....................................................................................................................485

Monitoring and Debugging LACP.................................................................................................................485

Shared LAG State Tracking.................................................................................................................................. 486

Configuring Shared LAG State Tracking......................................................................................................486

Important Points about Shared LAG State Tracking................................................................................. 487

LACP Basic Configuration Example................................................................................................................... 488

Configure a LAG on ALPHA........................................................................................................................... 488

29 Layer 2.................................................................................................................................................................497

Manage the MAC Address Table.........................................................................................................................497

Clearing the MAC Address Table.................................................................................................................. 497

Setting the Aging Time for Dynamic Entries.............................................................................................. 497

Configuring a Static MAC Address............................................................................................................... 498

Displaying the MAC Address Table...............................................................................................................498

MAC Learning Limit............................................................................................................................................... 498

Setting the MAC Learning Limit.................................................................................................................... 499

mac learning-limit Dynamic..........................................................................................................................499

mac learning-limit mac-address-sticky......................................................................................................499

mac learning-limit station-move................................................................................................................. 500

mac learning-limit no-station-move...........................................................................................................500

Learning Limit Violation Actions................................................................................................................... 500

Setting Station Move Violation Actions........................................................................................................501

Recovering from Learning Limit and Station Move Violations................................................................501

Disabling MAC Address Learning on the System............................................................................................ 502

NIC Teaming........................................................................................................................................................... 502

Configure Redundant Pairs..................................................................................................................................503

Important Points about Configuring Redundant Pairs.............................................................................505

Far-End Failure Detection....................................................................................................................................506

FEFD State Changes.........................................................................................................................................507

Configuring FEFD.............................................................................................................................................508

Enabling FEFD on an Interface......................................................................................................................508

Debugging FEFD...............................................................................................................................................509

30 Link Layer Discovery Protocol (LLDP)........................................................................................................... 511

802.1AB (LLDP) Overview......................................................................................................................................511

Protocol Data Units.......................................................................................................................................... 511

Optional TLVs.......................................................................................................................................................... 512

Contents

17

Management TLVs............................................................................................................................................513

TIA-1057 (LLDP-MED) Overview.........................................................................................................................514

TIA Organizationally Specific TLVs................................................................................................................515

Configure LLDP.......................................................................................................................................................518

Related Configuration Tasks.......................................................................................................................... 519

Important Points to Remember.....................................................................................................................519

LLDP Compatibility...........................................................................................................................................519

CONFIGURATION versus INTERFACE Configurations...................................................................................519

Enabling LLDP.........................................................................................................................................................520

Disabling and Undoing LLDP.........................................................................................................................520

Enabling LLDP on Management Ports...............................................................................................................520

Disabling and Undoing LLDP on Management Ports...............................................................................520

Advertising TLVs......................................................................................................................................................521

Viewing the LLDP Configuration.........................................................................................................................522

Viewing Information Advertised by Adjacent LLDP Agents...........................................................................523

Configuring LLDPDU Intervals............................................................................................................................ 524

Configuring Transmit and Receive Mode......................................................................................................... 524

Configuring the Time to Live Value....................................................................................................................525

Debugging LLDP.................................................................................................................................................... 526

Relevant Management Objects...........................................................................................................................526

31 Microsoft Network Load Balancing............................................................................................................... 532

NLB Unicast and Multicast Modes......................................................................................................................532

NLB Unicast Mode Example...........................................................................................................................532

NLB Multicast Mode Example........................................................................................................................532

NLB Benefits............................................................................................................................................................ 533

NLB Restrictions..................................................................................................................................................... 533

NLB VLAN Flooding................................................................................................................................................533

Configuring NLB on a Switch.............................................................................................................................. 534

32 Multicast Source Discovery Protocol (MSDP)..............................................................................................535

Protocol Overview................................................................................................................................................. 535

Anycast RP............................................................................................................................................................... 536

Implementation Information................................................................................................................................537

Configure Multicast Source Discovery Protocol............................................................................................. 537

Related Configuration Tasks.......................................................................................................................... 537

Enable MSDP........................................................................................................................................................... 541

Manage the Source-Active Cache......................................................................................................................542

Viewing the Source-Active Cache................................................................................................................542

Limiting the Source-Active Cache................................................................................................................542

Clearing the Source-Active Cache...............................................................................................................543

Enabling the Rejected Source-Active Cache............................................................................................. 543

Accept Source-Active Messages that Fail the RFP Check.............................................................................543

Specifying Source-Active Messages.................................................................................................................. 546

Limiting the Source-Active Messages from a Peer......................................................................................... 547

Preventing MSDP from Caching a Local Source.............................................................................................547

Preventing MSDP from Caching a Remote Source........................................................................................548

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Preventing MSDP from Advertising a Local Source........................................................................................548

Logging Changes in Peership States..................................................................................................................549

Terminating a Peership.........................................................................................................................................549

Clearing Peer Statistics......................................................................................................................................... 550

Debugging MSDP...................................................................................................................................................550

MSDP with Anycast RP.......................................................................................................................................... 551

Configuring Anycast RP........................................................................................................................................ 552

Reducing Source-Active Message Flooding...............................................................................................553

Specifying the RP Address Used in SA Messages.......................................................................................553

MSDP Sample Configurations............................................................................................................................. 553

33 Multiple Spanning Tree Protocol (MSTP)..................................................................................................... 554

Protocol Overview................................................................................................................................................. 554

Spanning Tree Variations......................................................................................................................................555

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

Configure Multiple Spanning Tree Protocol.....................................................................................................555

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

Enable Multiple Spanning Tree Globally........................................................................................................... 556

Adding and Removing Interfaces........................................................................................................................556

Creating Multiple Spanning Tree Instances......................................................................................................556

Influencing MSTP Root Selection....................................................................................................................... 557

Interoperate with Non-Dell Bridges...................................................................................................................558

Changing the Region Name or Revision...........................................................................................................558

Modifying Global Parameters.............................................................................................................................. 558

Modifying the Interface Parameters.................................................................................................................. 560

Configuring an EdgePort...................................................................................................................................... 561

Flush MAC Addresses after a Topology Change..............................................................................................561

MSTP Sample Configurations..............................................................................................................................562

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

ConfigurationSFTOS Example Running-Configuration...........................................................................562

Debugging and Verifying MSTP Configurations..............................................................................................563

34 Multicast Features.............................................................................................................................................565

Enabling IP Multicast............................................................................................................................................. 565

Implementation Information............................................................................................................................... 565

First Packet Forwarding for Lossless Multicast................................................................................................ 566

Multicast Policies....................................................................................................................................................566

IPv4 Multicast Policies.....................................................................................................................................566

35 Open Shortest Path First (OSPFv2 and OSPFv3)......................................................................................... 574

Protocol Overview................................................................................................................................................. 574

Autonomous System (AS) Areas.................................................................................................................... 574

Area Types..........................................................................................................................................................575

Networks and Neighbors................................................................................................................................576

Router Types......................................................................................................................................................576

Designated and Backup Designated Routers............................................................................................. 578

Link-State Advertisements (LSAs)..................................................................................................................578

Contents

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Router Priority and Cost..................................................................................................................................579

OSPF with Dell Networking OS...........................................................................................................................580

Fast Convergence (OSPFv2, IPv4 Only)....................................................................................................... 581

Multi-Process OSPFv2 with VRF....................................................................................................................581

RFC-2328 Compliant OSPF Flooding.......................................................................................................... 581

OSPF ACK Packing........................................................................................................................................... 582

Setting OSPF Adjacency with Cisco Routers..............................................................................................582

Configuration Information................................................................................................................................... 583

Configuration Task List for OSPFv2 (OSPF for IPv4).................................................................................583

Sample Configurations for OSPFv2..............................................................................................................594

Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................595

Enabling IPv6 Unicast Routing...................................................................................................................... 595

Applying cost for OSPFv3...............................................................................................................................596

Assigning IPv6 Addresses on an Interface.................................................................................................. 596

Assigning Area ID on an Interface................................................................................................................ 596

Assigning OSPFv3 Process ID and Router ID Globally............................................................................. 597

Configuring Stub Areas................................................................................................................................... 597

Configuring Passive-Interface....................................................................................................................... 597

Redistributing Routes...................................................................................................................................... 598

Configuring a Default Route..........................................................................................................................598

OSPFv3 Authentication Using IPsec.............................................................................................................599

Troubleshooting OSPFv3............................................................................................................................... 604

36 Pay As You Grow ..............................................................................................................................................606

Installing a License................................................................................................................................................ 606

Displaying License Information.......................................................................................................................... 609

37 PIM Sparse-Mode (PIM-SM).............................................................................................................................611

Implementation Information................................................................................................................................611

Protocol Overview..................................................................................................................................................611

Requesting Multicast Traffic........................................................................................................................... 611

Refuse Multicast Traffic................................................................................................................................... 612

Send Multicast Traffic...................................................................................................................................... 612

Configuring PIM-SM.............................................................................................................................................. 612

Related Configuration Tasks.......................................................................................................................... 613

Enable PIM-SM........................................................................................................................................................613

Configuring S,G Expiry Timers.............................................................................................................................614

Configuring a Static Rendezvous Point............................................................................................................. 615

Overriding Bootstrap Router Updates..........................................................................................................615

Configuring a Designated Router....................................................................................................................... 615

Creating Multicast Boundaries and Domains...................................................................................................616

Enabling PIM-SM Graceful Restart..................................................................................................................... 616

38 PIM Source-Specific Mode (PIM-SSM).......................................................................................................... 617

Implementation Information................................................................................................................................617

Important Points to Remember.....................................................................................................................617

Configure PIM-SSM............................................................................................................................................... 618

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Dell Networking Z9500 User guide

Dell Networking Z9500 User guide

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