Dell Networking Z9500 Administrator Guide

Dell Networking Conguration Guide for the

Z9500 Switch

9.11(2.1P1)

Notes, cautions, and warnings

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

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.

trademarks may be trademarks of their respective owners.

2017 - 06

Rev. A00

Contents

1 About this Guide...........................................................................................................................................33

Audience............................................................................................................................................................................33

Conventions......................................................................................................................................................................33

Related Documents......................................................................................................................................................... 33

2 Conguration Fundamentals........................................................................................................................ 34

Accessing the Command Line........................................................................................................................................34

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

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

The do Command............................................................................................................................................................ 39

Undoing Commands........................................................................................................................................................ 39

Obtaining Help..................................................................................................................................................................40

Entering and Editing Commands................................................................................................................................... 40

Command History.............................................................................................................................................................41

Filtering show Command Outputs..................................................................................................................................41

Example of the grep Keyword...................................................................................................................................41

Multiple Users in Conguration Mode...........................................................................................................................43

3 Getting Started............................................................................................................................................44

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

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

Default Conguration...................................................................................................................................................... 46

Conguring a Host Name............................................................................................................................................... 46

Accessing the System Remotely....................................................................................................................................46

Accessing the System Remotely..............................................................................................................................46

Congure the Management Port IP Address......................................................................................................... 47

Congure a Management Route.............................................................................................................................. 47

Conguring a Username and Password.................................................................................................................. 47

Conguring the Enable Password..................................................................................................................................48

Conguration File Management.....................................................................................................................................48

Managing the File System........................................................................................................................................ 48

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

Save the Running-Conguration............................................................................................................................. 50

Congure the Overload Bit for a Startup Scenario............................................................................................... 50

Using HTTP for File Transfers..................................................................................................................................50

View Conguration Files............................................................................................................................................ 51

Enabling Software Features on Devices Using a Command Option.......................................................................... 51

View Command History.................................................................................................................................................. 52

Upgrading Dell Networking OS...................................................................................................................................... 52

Verify Software Images Before Installation...................................................................................................................52

4 Management............................................................................................................................................... 54

Contents

3

Conguring Privilege Levels............................................................................................................................................54

Creating a Custom Privilege Level...........................................................................................................................55

Removing a Command from EXEC Mode.............................................................................................................. 55

Moving a Command from EXEC Privilege Mode to EXEC Mode....................................................................... 55

Allowing Access to CONFIGURATION Mode Commands....................................................................................55

Allowing Access to Dierent Modes....................................................................................................................... 55

Applying a Privilege Level to a Username............................................................................................................... 57

Applying a Privilege Level to a Terminal Line.......................................................................................................... 57

Conguring Logging.........................................................................................................................................................57

Audit and Security Logs............................................................................................................................................ 58

Conguring Logging Format ...................................................................................................................................60

Setting Up a Secure Connection to a Syslog Server............................................................................................ 60

Track Login Activity.......................................................................................................................................................... 61

Restrictions for Tracking Login Activity................................................................................................................... 61

Conguring Login Activity Tracking..........................................................................................................................61

Display Login Statistics..............................................................................................................................................62

Limit Concurrent Login Sessions....................................................................................................................................63

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 63

Conguring Concurrent Session Limit.....................................................................................................................64

Enabling the System to Clear Existing Sessions.................................................................................................... 64

Enabling Secured CLI Mode........................................................................................................................................... 65

Log Messages in the Internal Buer..............................................................................................................................65

Conguration Task List for System Log Management..........................................................................................65

Disabling System Logging...............................................................................................................................................65

Sending System Messages to a Syslog Server............................................................................................................66

Conguring a UNIX System as a Syslog Server.....................................................................................................66

Display the Logging Buer and the Logging Conguration........................................................................................66

Changing System Logging Settings...............................................................................................................................67

Conguring a UNIX Logging Facility Level....................................................................................................................68

Synchronizing Log Messages.........................................................................................................................................69

Enabling Timestamp on Syslog Messages....................................................................................................................69

File Transfer Services.......................................................................................................................................................70

Conguration Task List for File Transfer Services..................................................................................................70

Enabling the FTP Server........................................................................................................................................... 70

Conguring FTP Server Parameters........................................................................................................................70

Conguring FTP Client Parameters..........................................................................................................................71

Terminal Lines....................................................................................................................................................................71

Denying and Permitting Access to a Terminal Line................................................................................................ 72

Conguring Login Authentication for Terminal Lines............................................................................................. 73

Setting Timeout for EXEC Privilege Mode....................................................................................................................74

Using Telnet to get to Another Network Device.......................................................................................................... 74

Lock CONFIGURATION Mode....................................................................................................................................... 75

Viewing the Conguration Lock Status...................................................................................................................75

Recovering from a Forgotten Password on the Z9000 System................................................................................ 76

Ignoring the Startup Conguration and Booting from the Factory-Default Conguration..................................... 77

4

Contents

Recovering from a Failed Start on the Z9000 System................................................................................................77

Restoring the Factory Default Settings.........................................................................................................................78

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

Restoring Factory Default Environment Variables................................................................................................. 78

5 802.1X.......................................................................................................................................................... 81

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

EAP over RADIUS......................................................................................................................................................83

Conguring 802.1X...........................................................................................................................................................84

Related Conguration Tasks..................................................................................................................................... 84

Important Points to Remember......................................................................................................................................84

Enabling 802.1X................................................................................................................................................................ 85

Conguring dot1x Prole ................................................................................................................................................86

Conguring the Static MAB and MAB Prole ............................................................................................................. 87

Conguring Critical VLAN ..............................................................................................................................................87

Conguring MAC addresses for a do1x Prole.............................................................................................................88

Conguring Request Identity Re-Transmissions...........................................................................................................89

Conguring a Quiet Period after a Failed Authentication..................................................................................... 89

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 90

Re-Authenticating a Port.................................................................................................................................................91

Conguring Timeouts...................................................................................................................................................... 92

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................93

Guest and Authentication-Fail VLANs.......................................................................................................................... 94

Conguring a Guest VLAN....................................................................................................................................... 94

Conguring an Authentication-Fail VLAN...............................................................................................................94

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

IP Access Control Lists (ACLs).......................................................................................................................................97

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

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

IP Fragment Handling.................................................................................................................................................... 100

IP Fragments ACL Examples...................................................................................................................................100

Layer 4 ACL Rules Examples.................................................................................................................................. 100

Congure a Standard IP ACL.........................................................................................................................................101

Conguring a Standard IP ACL Filter..................................................................................................................... 102

Congure an Extended IP ACL..................................................................................................................................... 103

Conguring Filters with a Sequence Number.......................................................................................................103

Conguring Filters Without a Sequence Number................................................................................................ 104

Congure Layer 2 and Layer 3 ACLs........................................................................................................................... 105

Using ACL VLAN Groups...............................................................................................................................................106

Guidelines for Conguring ACL VLAN Groups..................................................................................................... 106

Conguring an ACL VLAN Group...........................................................................................................................106

Allocating ACL VLAN CAM..................................................................................................................................... 107

Applying an IP ACL.........................................................................................................................................................108

Congure Ingress ACLs........................................................................................................................................... 108

Congure Egress ACLs............................................................................................................................................109

Contents

5

Applying Egress Layer 3 ACLs (Control-Plane).....................................................................................................110

Counting ACL Hits.................................................................................................................................................... 110

IP Prex Lists....................................................................................................................................................................111

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

Conguration Task List for Prex Lists....................................................................................................................111

ACL Resequencing..........................................................................................................................................................115

Resequencing an ACL or Prex List....................................................................................................................... 115

Route Maps......................................................................................................................................................................116

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

Important Points to Remember..................................................................................................................................... 117

Conguration Task List for Route Maps................................................................................................................. 117

Conguring Match Routes.......................................................................................................................................119

Conguring Set Conditions..................................................................................................................................... 120

Congure a Route Map for Route Redistribution..................................................................................................121

Congure a Route Map for Route Tagging............................................................................................................122

Continue Clause........................................................................................................................................................122

Conguring UDF ACL.....................................................................................................................................................123

Conguring IP Mirror Access Group............................................................................................................................ 126

Sample Conguration...............................................................................................................................................126

Example of viewing IP mirror–access–group applied to an Interface................................................................127

7 Bare Metal Provisioning (BMP).................................................................................................................. 128

Support for BMP on the S6000 Switch......................................................................................................................128

Enhanced Behavior of the stop bmp Command........................................................................................................ 128

Removal of the Deprecated User-Dened String Parameter with reload-type Command................................... 128

Service Tag Information in the Option 60 String........................................................................................................ 128

Replacement of stop jump-start Command With the stop bmp Command...........................................................128

8 Bidirectional Forwarding Detection (BFD).................................................................................................. 129

How BFD Works............................................................................................................................................................. 129

BFD Packet Format..................................................................................................................................................130

BFD Sessions............................................................................................................................................................. 131

BFD Three-Way Handshake.................................................................................................................................... 132

Session State Changes............................................................................................................................................134

Important Points to Remember.................................................................................................................................... 134

Congure BFD................................................................................................................................................................ 134

Congure BFD for Static Routes............................................................................................................................135

Congure BFD for OSPF......................................................................................................................................... 137

Congure BFD for OSPFv3......................................................................................................................................141

Congure BFD for IS-IS...........................................................................................................................................144

Congure BFD for BGP........................................................................................................................................... 147

Congure BFD for VRRP.........................................................................................................................................153

Conguring Protocol Liveness................................................................................................................................ 156

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

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

6

Contents

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

Establish a Session...................................................................................................................................................159

Route Reectors.............................................................................................................................................................160

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

Best Path Selection Criteria.....................................................................................................................................161

Weight........................................................................................................................................................................163

Local Preference.......................................................................................................................................................163

Multi-Exit Discriminators (MEDs)...........................................................................................................................164

Origin..........................................................................................................................................................................165

AS Path......................................................................................................................................................................166

Next Hop................................................................................................................................................................... 166

Multiprotocol BGP..........................................................................................................................................................166

Implement BGP with Dell Networking OS...................................................................................................................167

Additional Path (Add-Path) Support...................................................................................................................... 167

Advertise IGP Cost as MED for Redistributed Routes.........................................................................................167

Ignore Router-ID in Best-Path Calculation............................................................................................................ 168

Four-Byte AS Numbers............................................................................................................................................168

AS4 Number Representation.................................................................................................................................. 168

AS Number Migration...............................................................................................................................................170

BGP4 Management Information Base (MIB).........................................................................................................171

Important Points to Remember............................................................................................................................... 171

Conguration Information..............................................................................................................................................172

BGP Conguration..........................................................................................................................................................172

Enabling BGP............................................................................................................................................................ 173

Conguring AS4 Number Representations........................................................................................................... 176

Conguring Peer Groups......................................................................................................................................... 178

Conguring BGP Fast Fall-Over.............................................................................................................................180

Conguring Passive Peering................................................................................................................................... 182

Maintaining Existing AS Numbers During an AS Migration................................................................................. 182

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 183

Enabling Neighbor Graceful Restart.......................................................................................................................184

Filtering on an AS-Path Attribute........................................................................................................................... 185

Regular Expressions as Filters.................................................................................................................................186

Redistributing Routes...............................................................................................................................................187

Enabling Additional Paths........................................................................................................................................ 188

Conguring IP Community Lists............................................................................................................................. 188

Conguring an IP Extended Community List........................................................................................................189

Filtering Routes with Community Lists..................................................................................................................190

Manipulating the COMMUNITY Attribute..............................................................................................................191

Changing MED Attributes....................................................................................................................................... 192

Changing the LOCAL_PREFERENCE Attribute.................................................................................................. 193

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 193

Changing the WEIGHT Attribute............................................................................................................................194

Enabling Multipath....................................................................................................................................................194

Filtering BGP Routes................................................................................................................................................195

Contents

7

Filtering BGP Routes Using Route Maps.............................................................................................................. 196

Filtering BGP Routes Using AS-PATH Information...............................................................................................197

Conguring BGP Route Reectors.........................................................................................................................197

Aggregating Routes..................................................................................................................................................198

Conguring BGP Confederations...........................................................................................................................198

Enabling Route Flap Dampening.............................................................................................................................199

Changing BGP Timers..............................................................................................................................................201

Enabling BGP Neighbor Soft-Reconguration.....................................................................................................202

Enabling or disabling BGP neighbors.....................................................................................................................203

Route Map Continue............................................................................................................................................... 204

Enabling MBGP Congurations................................................................................................................................... 204

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 205

BGP Regular Expression Optimization........................................................................................................................205

Debugging BGP............................................................................................................................................................. 206

Storing Last and Bad PDUs....................................................................................................................................206

Capturing PDUs....................................................................................................................................................... 207

PDU Counters.......................................................................................................................................................... 208

Sample Congurations..................................................................................................................................................209

10 Content Addressable Memory (CAM)....................................................................................................... 215

CAM Allocation............................................................................................................................................................... 215

Test CAM Usage.............................................................................................................................................................217

View CAM-ACL Settings............................................................................................................................................... 217

View CAM Usage............................................................................................................................................................218

Return to the Default CAM Conguration.................................................................................................................. 219

CAM Optimization.......................................................................................................................................................... 219

Applications for CAM Proling......................................................................................................................................219

LAG HashingLAG Hashing Based on Bidirectional Flow......................................................................................219

Unied Forwarding Table (UFT) Modes......................................................................................................................220

Conguring UFT Modes......................................................................................................................................... 220

11 Control Plane Policing (CoPP).................................................................................................................. 222

Z9500 CoPP Implementation.......................................................................................................................................223

Protocol-based Control Plane Policing..................................................................................................................224

Queue-based Control Plane Policing.....................................................................................................................224

CoPP Example............................................................................................................................................................... 225

Congure Control Plane Policing................................................................................................................................. 226

Conguring CoPP for Protocols............................................................................................................................ 226

Examples of Conguring CoPP for Protocols...................................................................................................... 229

Conguring CoPP for CPU Queues...................................................................................................................... 230

Examples of Conguring CoPP for CPU Queues.................................................................................................231

Displaying CoPP Conguration ..............................................................................................................................231

Troubleshooting CoPP Operation................................................................................................................................ 234

Enabling CPU Trac Statistics.............................................................................................................................. 234

Viewing CPU Trac Statistics............................................................................................................................... 234

Troubleshooting CPU Packet Loss........................................................................................................................ 235

8

Contents

Viewing Per-Protocol CoPP Counters...................................................................................................................237

Viewing Per-Queue CoPP Counters..................................................................................................................... 239

12 Data Center Bridging (DCB)......................................................................................................................241

Ethernet Enhancements in Data Center Bridging......................................................................................................242

Priority-Based Flow Control................................................................................................................................... 243

Enhanced Transmission Selection..........................................................................................................................244

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................245

Data Center Bridging in a Trac Flow...................................................................................................................245

Priority-Based Flow Control......................................................................................................................................... 245

Enhanced Transmission Selection................................................................................................................................246

Data Center Bridging Exchange Protocol (DCBx).....................................................................................................247

Enabling Data Center Bridging..................................................................................................................................... 248

DCB Maps and its Attributes..................................................................................................................................248

Data Center Bridging: Default Conguration..............................................................................................................249

Conguring Priority-Based Flow Control.................................................................................................................... 249

Conguring Lossless Queues................................................................................................................................. 250

Conguring PFC in a DCB Map....................................................................................................................................251

PFC Conguration Notes........................................................................................................................................ 251

PFC Prerequisites and Restrictions.......................................................................................................................252

Applying a DCB Map on a Port.................................................................................................................................... 253

Conguring PFC without a DCB Map.........................................................................................................................253

Conguring Lossless QueuesExample:..................................................................................................................254

Priority-Based Flow Control Using Dynamic Buer Method................................................................................... 255

Pause and Resume of Trac..................................................................................................................................255

Buer Sizes for Lossless or PFC Packets............................................................................................................ 256

Behavior of Tagged Packets.........................................................................................................................................256

Operations on Untagged Packets................................................................................................................................257

Conguration Example for DSCP and PFC Priorities................................................................................................257

SNMP Support for PFC and Buer Statistics Tracking............................................................................................258

Generation of PFC for a Priority for Untagged Packets...........................................................................................258

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................258

PFC and ETS Conguration Examples........................................................................................................................259

Using PFC to Manage Converged Ethernet Trac.................................................................................................. 259

Congure Enhanced Transmission Selection..............................................................................................................259

ETS Prerequisites and Restrictions....................................................................................................................... 260

Creating an ETS Priority Group............................................................................................................................. 260

ETS Operation with DCBx.......................................................................................................................................261

Conguring Bandwidth Allocation for DCBx CIN................................................................................................. 261

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 262

Applying the DCB Policies on Linecard....................................................................................................................... 263

Applying DCB Policies on SFM Ports..........................................................................................................................263

Using ETS to Manage Converged Ethernet Trac...................................................................................................263

Congure a DCBx Operation........................................................................................................................................263

DCBx Operation....................................................................................................................................................... 264

DCBx Port Roles...................................................................................................................................................... 264

Contents

9

DCB Conguration Exchange................................................................................................................................ 265

Conguration Source Election............................................................................................................................... 266

Propagation of DCB Information........................................................................................................................... 266

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 266

DCBx Example..........................................................................................................................................................267

DCBx Prerequisites and Restrictions.....................................................................................................................267

Conguring DCBx....................................................................................................................................................268

Verifying the DCB Conguration.................................................................................................................................. 271

QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 278

Conguring the Dynamic Buer Method....................................................................................................................278

Sample DCB Conguration...........................................................................................................................................280

PFC and ETS Conguration Command Examples............................................................................................... 281

13 Debugging and Diagnostics...................................................................................................................... 282

Oine Diagnostics.........................................................................................................................................................282

Important Points to Remember..............................................................................................................................282

Running Oine Diagnostics....................................................................................................................................282

Examples of Running Oine Diagnostics..............................................................................................................291

TRACE Logs................................................................................................................................................................... 298

Auto Save on Crash or Rollover.............................................................................................................................298

Last Restart Reason......................................................................................................................................................298

show hardware Commands..........................................................................................................................................298

Environmental Monitoring............................................................................................................................................. 301

Display Power Supply Status.................................................................................................................................. 301

Display Fan Status................................................................................................................................................... 302

Display Transceiver Type......................................................................................................................................... 302

Recognize an Over-Temperature Condition..........................................................................................................304

Troubleshoot an Over-Temperature Condition..................................................................................................... 305

Troubleshooting Packet Loss....................................................................................................................................... 306

Displaying Drop Counters....................................................................................................................................... 306

Displaying Dataplane Statistics.............................................................................................................................. 309

Displaying Line Card Counters................................................................................................................................ 310

Accessing Application Core Dumps...............................................................................................................................311

Mini Core Dumps............................................................................................................................................................ 312

Full Kernel Core Dumps..................................................................................................................................................312

Enabling TCP Dumps..................................................................................................................................................... 312

14 Dynamic Host Conguration Protocol (DHCP)..........................................................................................314

DHCP Packet Format and Options.............................................................................................................................. 314

Assign an IP Address using DHCP................................................................................................................................316

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

Congure the System to be a DHCP Server...............................................................................................................317

Conguring the Server for Automatic Address Allocation...................................................................................317

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

Congure a Method of Hostname Resolution...................................................................................................... 319

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

10

Contents

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

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

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

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

Congure the System to be a Relay Agent................................................................................................................. 321

Congure the System to be a DHCP Client............................................................................................................... 323

DHCP Client on a Management Interface............................................................................................................323

DHCP Client Operation with Other Features.......................................................................................................323

Congure Secure DHCP............................................................................................................................................... 324

Option 82.................................................................................................................................................................. 324

DHCP Snooping.......................................................................................................................................................325

Conguring the DHCP secondary-subnet............................................................................................................328

Drop DHCP Packets on Snooped VLANs Only....................................................................................................329

Dynamic ARP Inspection.........................................................................................................................................329

Conguring Dynamic ARP Inspection................................................................................................................... 330

Source Address Validation............................................................................................................................................. 331

Enabling IP Source Address Validation...................................................................................................................331

DHCP MAC Source Address Validation................................................................................................................ 332

Enabling IP+MAC Source Address Validation.......................................................................................................332

Viewing the Number of SAV Dropped Packets....................................................................................................333

Clearing the Number of SAV Dropped Packets................................................................................................... 333

15 Equal Cost Multi-Path (ECMP)................................................................................................................ 334

ECMP for Flow-Based Anity..................................................................................................................................... 334

Enabling Deterministic ECMP Next Hop.............................................................................................................. 334

Conguring the Hash Algorithm Seed.................................................................................................................. 334

Link Bundle Monitoring................................................................................................................................................. 335

Managing ECMP Group Paths...............................................................................................................................335

Creating an ECMP Group Bundle..........................................................................................................................336

Modifying the ECMP Group Threshold.................................................................................................................336

RTAG7............................................................................................................................................................................. 337

Flow-based Hashing for ECMP................................................................................................................................... 338

ECMP Support in L3 Host and LPM Tables................................................................................................................341

16 FIP Snooping............................................................................................................................................342

Fibre Channel over Ethernet........................................................................................................................................ 342

Ensure Robustness in a Converged Ethernet Network............................................................................................ 342

FIP Snooping on Ethernet Bridges.............................................................................................................................. 344

Using FIP Snooping....................................................................................................................................................... 346

FIP Snooping Prerequisites.....................................................................................................................................346

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

Enabling the FCoE Transit Feature........................................................................................................................ 347

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

Congure the FC-MAP Value................................................................................................................................ 348

Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 348

Congure a Port for a Bridge-to-FCF Link...........................................................................................................348

Contents

11

Impact on Other Software Features..................................................................................................................... 348

FIP Snooping Restrictions...................................................................................................................................... 349

Conguring FIP Snooping.......................................................................................................................................349

FCoE Transit Conguration Example.......................................................................................................................... 350

Displaying FIP Snooping Information............................................................................................................................351

17 FIPS Cryptography...................................................................................................................................355

Conguration Tasks.......................................................................................................................................................355

Preparing the System................................................................................................................................................... 355

Enabling FIPS Mode......................................................................................................................................................356

Generating Host-Keys...................................................................................................................................................356

Monitoring FIPS Mode Status..................................................................................................................................... 356

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

18 Flex Hash................................................................................................................................................. 360

Flex Hash Capability Overview.................................................................................................................................... 360

Conguring the Flex Hash Mechanism.......................................................................................................................360

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................ 361

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 362

19 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 363

Protocol Overview......................................................................................................................................................... 363

Ring Status............................................................................................................................................................... 364

Multiple FRRP Rings............................................................................................................................................... 364

Important FRRP Points...........................................................................................................................................365

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

Implementing FRRP.......................................................................................................................................................367

FRRP Conguration.......................................................................................................................................................367

Creating the FRRP Group.......................................................................................................................................367

Conguring the Control VLAN...............................................................................................................................368

Conguring and Adding the Member VLANs...................................................................................................... 369

Setting the FRRP Timers........................................................................................................................................370

Clearing the FRRP Counters.................................................................................................................................. 370

Viewing the FRRP Conguration........................................................................................................................... 370

Viewing the FRRP Information...............................................................................................................................370

Troubleshooting FRRP................................................................................................................................................... 371

Conguration Checks...............................................................................................................................................371

Sample Conguration and Topology.............................................................................................................................371

FRRP Support on VLT...................................................................................................................................................372

Example Scenario.....................................................................................................................................................373

Important Points to Remember..............................................................................................................................374

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

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

Congure GVRP.............................................................................................................................................................376

Related Conguration Tasks................................................................................................................................... 376

12

Contents

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

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

Congure GVRP Registration.......................................................................................................................................377

Congure a GARP Timer...............................................................................................................................................378

21 Internet Group Management Protocol (IGMP)..........................................................................................379

IGMP Implementation Information...............................................................................................................................379

IGMP Protocol Overview.............................................................................................................................................. 379

IGMP Version 2........................................................................................................................................................ 379

IGMP Version 3.........................................................................................................................................................381

Congure IGMP............................................................................................................................................................. 384

Related Conguration Tasks...................................................................................................................................384

Viewing IGMP Enabled Interfaces...............................................................................................................................385

Selecting an IGMP Version...........................................................................................................................................385

Viewing IGMP Groups...................................................................................................................................................385

Adjusting Timers............................................................................................................................................................ 386

Adjusting Query and Response Timers................................................................................................................. 386

Adjusting the IGMP Querier Timeout Value..........................................................................................................387

Conguring a Static IGMP Group................................................................................................................................ 387

Enabling IGMP Immediate-Leave.................................................................................................................................387

IGMP Snooping..............................................................................................................................................................388

IGMP Snooping Implementation Information.......................................................................................................388

Conguring IGMP Snooping...................................................................................................................................388

Removing a Group-Port Association.....................................................................................................................389

Disabling Multicast Flooding...................................................................................................................................389

Specifying a Port as Connected to a Multicast Router...................................................................................... 389

Conguring the Switch as Querier........................................................................................................................ 390

Fast Convergence after MSTP Topology Changes...................................................................................................390

Designating a Multicast Router Interface...................................................................................................................390

22 Interfaces................................................................................................................................................. 391

Basic Interface Conguration........................................................................................................................................391

Advanced Interface Conguration................................................................................................................................391

Port Numbering Convention........................................................................................................................................ 392

Interface Types...............................................................................................................................................................393

View Basic Interface Information.................................................................................................................................393

Resetting an Interface to its Factory Default State...................................................................................................394

Enabling a Physical Interface........................................................................................................................................395

Physical Interfaces.........................................................................................................................................................395

Port-Pipes.................................................................................................................................................................396

Network Processing Units (NPUs)....................................................................................................................... 396

Conguration Task List for Physical Interfaces....................................................................................................396

Overview of Layer Modes.......................................................................................................................................397

Conguring Layer 2 (Data Link) Mode..................................................................................................................397

Conguring Layer 2 (Interface) Mode...................................................................................................................397

Conguring Layer 3 (Network) Mode...................................................................................................................398

Contents

13

Conguring Layer 3 (Interface) Mode.................................................................................................................. 398

Egress Interface Selection (EIS)..................................................................................................................................399

Important Points to Remember............................................................................................................................. 399

Conguring EIS........................................................................................................................................................ 399

Management Interfaces................................................................................................................................................400

Conguring Management Interfaces.................................................................................................................... 400

Conguring a Management Interface on an Ethernet Port................................................................................ 401

VLAN Interfaces............................................................................................................................................................ 402

Loopback Interfaces...................................................................................................................................................... 403

Null Interfaces................................................................................................................................................................ 403

Port Channel Interfaces................................................................................................................................................403

Port Channel Denition and Standards.................................................................................................................404

Port Channel Benets.............................................................................................................................................404

Port Channel Implementation.................................................................................................................................404

Interfaces in Port Channels....................................................................................................................................405

Conguration Tasks for Port Channel Interfaces.................................................................................................405

Creating a Port Channel......................................................................................................................................... 405

Adding a Physical Interface to a Port Channel.....................................................................................................406

Reassigning an Interface to a New Port Channel................................................................................................ 407

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 408

Adding or Removing a Port Channel from a VLAN............................................................................................. 408

Assigning an IP Address to a Port Channel.......................................................................................................... 409

Deleting or Disabling a Port Channel......................................................................................................................410

Load Balancing Through Port Channels................................................................................................................ 410

Changing the Hash Algorithm.................................................................................................................................410

Bulk Conguration...........................................................................................................................................................411

Interface Range......................................................................................................................................................... 411

Bulk Conguration Examples................................................................................................................................... 411

Dening Interface Range Macros.................................................................................................................................413

Dene the Interface Range..................................................................................................................................... 414

Choosing an Interface-Range Macro..................................................................................................................... 414

Monitoring and Maintaining Interfaces........................................................................................................................ 414

Displaying Trac Statistics on HiGig Ports................................................................................................................. 415

Link Bundle Monitoring.................................................................................................................................................. 415

Monitoring HiGig Link Bundles......................................................................................................................................416

Guidelines for Monitoring HiGig Link-Bundles ......................................................................................................417

Enabling HiGig Link-Bundle Monitoring..................................................................................................................417

Non Dell-Qualied Transceivers....................................................................................................................................418

Splitting 40G Ports without Reload............................................................................................................................. 418

Splitting QSFP Ports to SFP+ Ports............................................................................................................................419

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.............................................................................419

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................420

Link Dampening.............................................................................................................................................................. 421

Important Points to Remember.............................................................................................................................. 421

Enabling Link Dampening.........................................................................................................................................421

14

Contents

Using Ethernet Pause Frames for Flow Control........................................................................................................ 423

Enabling Pause Frames........................................................................................................................................... 423

Congure the MTU Size on an Interface....................................................................................................................424

Auto-Negotiation on Ethernet Interfaces...................................................................................................................425

Set Auto-Negotiation Options................................................................................................................................425

View Advanced Interface Information.........................................................................................................................426

Conguring the Interface Sampling Size.............................................................................................................. 426

Conguring the Trac Sampling Size Globally...........................................................................................................427

Dynamic Counters......................................................................................................................................................... 429

Clearing Interface Counters....................................................................................................................................429

23 Internet Protocol Security (IPSec)........................................................................................................... 431

Conguring IPSec ..........................................................................................................................................................431

24 IPv4 Routing............................................................................................................................................ 433

IP Addresses...................................................................................................................................................................434

Implementation Information....................................................................................................................................434

Conguration Tasks for IP Addresses..........................................................................................................................434

Assigning IP Addresses to an Interface.......................................................................................................................434

Conguring Static Routes............................................................................................................................................ 435

Congure Static Routes for the Management Interface.......................................................................................... 436

Enabling Directed Broadcast........................................................................................................................................ 436

Resolution of Host Names............................................................................................................................................437

Enabling Dynamic Resolution of Host Names............................................................................................................ 437

Specifying the Local System Domain and a List of Domains....................................................................................437

Conguring DNS with Traceroute................................................................................................................................438

ARP................................................................................................................................................................................. 439

Conguration Tasks for ARP........................................................................................................................................ 439

Conguring Static ARP Entries....................................................................................................................................439

Enabling Proxy ARP.......................................................................................................................................................440

Clearing ARP Cache......................................................................................................................................................440

ARP Learning via Gratuitous ARP............................................................................................................................... 440

Enabling ARP Learning via Gratuitous ARP................................................................................................................440

ARP Learning via ARP Request.................................................................................................................................... 441

Conguring ARP Retries................................................................................................................................................441

ICMP............................................................................................................................................................................... 442

Conguration Tasks for ICMP...................................................................................................................................... 442

Enabling ICMP Unreachable Messages...................................................................................................................... 442

UDP Helper.....................................................................................................................................................................443

Congure UDP Helper.............................................................................................................................................443

Important Points to Remember..............................................................................................................................443

Enabling UDP Helper.....................................................................................................................................................443

Conguring a Broadcast Address................................................................................................................................ 443

Congurations Using UDP Helper............................................................................................................................... 444

UDP Helper with Broadcast-All Addresses.................................................................................................................444

UDP Helper with Subnet Broadcast Addresses.........................................................................................................445

Contents

15

UDP Helper with Congured Broadcast Addresses..................................................................................................445

UDP Helper with No Congured Broadcast Addresses............................................................................................446

Troubleshooting UDP Helper........................................................................................................................................ 446

25 IPv6 Routing............................................................................................................................................447

Protocol Overview......................................................................................................................................................... 447

Extended Address Space........................................................................................................................................448

Stateless Autoconguration................................................................................................................................... 448

IPv6 Headers............................................................................................................................................................448

IPv6 Header Fields...................................................................................................................................................449

Extension Header Fields.......................................................................................................................................... 451

Addressing................................................................................................................................................................ 452

Implementing IPv6 with Dell Networking OS.............................................................................................................453

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support......................................................................... 453

ICMPv6...........................................................................................................................................................................453

Path MTU Discovery.....................................................................................................................................................453

IPv6 Neighbor Discovery..............................................................................................................................................454

IPv6 Neighbor Discovery of MTU Packets.......................................................................................................... 455

Conguration Task List for IPv6 RDNSS.............................................................................................................. 455

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 457

Conguration Tasks for IPv6........................................................................................................................................ 457

Adjusting Your CAM-Prole....................................................................................................................................458

Assigning an IPv6 Address to an Interface...........................................................................................................458

Assigning a Static IPv6 Route................................................................................................................................459

Conguring Telnet with IPv6..................................................................................................................................459

SNMP over IPv6......................................................................................................................................................460

Displaying IPv6 Information....................................................................................................................................460

Displaying an IPv6 Interface Information.............................................................................................................. 460

Showing IPv6 Routes...............................................................................................................................................461

Showing the Running-Conguration for an Interface......................................................................................... 462

Clearing IPv6 Routes...............................................................................................................................................463

Disabling ND Entry Timeout................................................................................................................................... 463

Conguring IPv6 RA Guard.......................................................................................................................................... 463

Conguring IPv6 RA Guard on an Interface.........................................................................................................465

Monitoring IPv6 RA Guard..................................................................................................................................... 466

26 iSCSI Optimization...................................................................................................................................467

iSCSI Optimization Overview....................................................................................................................................... 467

Default iSCSI Optimization Values...............................................................................................................................469

iSCSI Optimization Prerequisites................................................................................................................................. 469

Conguring iSCSI Optimization................................................................................................................................... 469

Displaying iSCSI Optimization Information.................................................................................................................. 471

Enable and Disable iSCSI Optimization....................................................................................................................... 473

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................................473

Monitoring iSCSI Trac Flows..................................................................................................................................... 473

Information Monitored in iSCSI Trac Flows............................................................................................................. 474

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Contents

Detection and Auto-Conguration for Dell EqualLogic Arrays..................................................................................474

Conguring Detection and Ports for Dell Compellent Arrays...................................................................................475

Application of Quality of Service to iSCSI Trac Flows............................................................................................475

27 Intermediate System to Intermediate System...........................................................................................476

IS-IS Protocol Overview................................................................................................................................................476

IS-IS Addressing.............................................................................................................................................................476

Multi-Topology IS-IS.......................................................................................................................................................477

Transition Mode........................................................................................................................................................477

Interface Support.....................................................................................................................................................478

Adjacencies...............................................................................................................................................................478

Graceful Restart.............................................................................................................................................................478

Timers........................................................................................................................................................................478

Implementation Information..........................................................................................................................................478

Conguration Information............................................................................................................................................. 479

Conguration Tasks for IS-IS..................................................................................................................................480

Conguring the Distance of a Route..................................................................................................................... 487

Changing the IS-Type.............................................................................................................................................. 488

Redistributing IPv4 Routes.....................................................................................................................................490

Redistributing IPv6 Routes......................................................................................................................................491

Conguring Authentication Passwords.................................................................................................................492

Setting the Overload Bit......................................................................................................................................... 492

Debugging IS-IS....................................................................................................................................................... 493

IS-IS Metric Styles.........................................................................................................................................................494

Congure Metric Values............................................................................................................................................... 494

Maximum Values in the Routing Table.................................................................................................................. 494

Change the IS-IS Metric Style in One Level Only................................................................................................494

Leaks from One Level to Another..........................................................................................................................496

Sample Congurations.................................................................................................................................................. 497

28 Link Aggregation Control Protocol (LACP).............................................................................................. 499

Introduction to Dynamic LAGs and LACP.................................................................................................................. 499

Important Points to Remember............................................................................................................................. 499

LACP Modes............................................................................................................................................................500

Conguring LACP Commands...............................................................................................................................500

LACP Conguration Tasks.............................................................................................................................................501

Creating a LAG......................................................................................................................................................... 501

Conguring the LAG Interfaces as Dynamic.........................................................................................................501

Setting the LACP Long Timeout........................................................................................................................... 502

Monitoring and Debugging LACP..........................................................................................................................502

Shared LAG State Tracking.......................................................................................................................................... 503

Conguring Shared LAG State Tracking...............................................................................................................503

Important Points about Shared LAG State Tracking...........................................................................................505

LACP Basic Conguration Example............................................................................................................................ 505

Congure a LAG on ALPHA...................................................................................................................................505

Contents

17

29 Layer 2..................................................................................................................................................... 514

Manage the MAC Address Table.................................................................................................................................. 514

Clearing the MAC Address Table............................................................................................................................ 514

Setting the Aging Time for Dynamic Entries.........................................................................................................514

Conguring a Static MAC Address........................................................................................................................ 515

Displaying the MAC Address Table.........................................................................................................................515

MAC Learning Limit........................................................................................................................................................515

Setting the MAC Learning Limit............................................................................................................................. 516

mac learning-limit Dynamic..................................................................................................................................... 516

mac learning-limit mac-address-sticky.................................................................................................................. 516

mac learning-limit station-move............................................................................................................................. 517

mac learning-limit no-station-move........................................................................................................................517

Learning Limit Violation Actions..............................................................................................................................517

Setting Station Move Violation Actions.................................................................................................................518

Recovering from Learning Limit and Station Move Violations............................................................................518

Disabling MAC Address Learning on the System....................................................................................................... 519

NIC Teaming....................................................................................................................................................................519

Congure Redundant Pairs...........................................................................................................................................520

Important Points about Conguring Redundant Pairs........................................................................................ 522

Far-End Failure Detection.............................................................................................................................................523

FEFD State Changes...............................................................................................................................................524

Conguring FEFD.................................................................................................................................................... 524

Enabling FEFD on an Interface.............................................................................................................................. 525

Debugging FEFD......................................................................................................................................................526

30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 528

802.1AB (LLDP) Overview............................................................................................................................................528

Protocol Data Units................................................................................................................................................. 528

Optional TLVs................................................................................................................................................................. 529

Management TLVs.................................................................................................................................................. 529

TIA-1057 (LLDP-MED) Overview................................................................................................................................. 531

TIA Organizationally Specic TLVs.........................................................................................................................531

Congure LLDP............................................................................................................................................................. 535

Related Conguration Tasks...................................................................................................................................535

Important Points to Remember............................................................................................................................. 535

LLDP Compatibility..................................................................................................................................................536

CONFIGURATION versus INTERFACE Congurations............................................................................................ 536

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

Disabling and Undoing LLDP.................................................................................................................................. 537

Enabling LLDP on Management Ports........................................................................................................................ 537

Disabling and Undoing LLDP on Management Ports.......................................................................................... 537

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

Viewing the LLDP Conguration................................................................................................................................. 538

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

Conguring LLDPDU Intervals.....................................................................................................................................540

18

Contents

Conguring Transmit and Receive Mode.................................................................................................................... 541

Conguring the Time to Live Value.............................................................................................................................. 541

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

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

31 Microsoft Network Load Balancing...........................................................................................................548

NLB Unicast and Multicast Modes..............................................................................................................................548

NLB Unicast Mode Example.................................................................................................................................. 548

NLB Multicast Mode Example............................................................................................................................... 548

NLB Benets..................................................................................................................................................................549

NLB Restrictions............................................................................................................................................................549

NLB VLAN Flooding...................................................................................................................................................... 549

Conguring NLB on a Switch...................................................................................................................................... 550

32 Multicast Source Discovery Protocol (MSDP)..........................................................................................551

Protocol Overview..........................................................................................................................................................551

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

Implementation Information......................................................................................................................................... 553

Congure Multicast Source Discovery Protocol........................................................................................................553

Related Conguration Tasks...................................................................................................................................553

Enable MSDP................................................................................................................................................................. 557

Manage the Source-Active Cache..............................................................................................................................558

Viewing the Source-Active Cache........................................................................................................................ 558

Limiting the Source-Active Cache.........................................................................................................................558

Clearing the Source-Active Cache........................................................................................................................559

Enabling the Rejected Source-Active Cache.......................................................................................................559

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 559

Specifying Source-Active Messages...........................................................................................................................562

Limiting the Source-Active Messages from a Peer...................................................................................................563

Preventing MSDP from Caching a Local Source.......................................................................................................563

Preventing MSDP from Caching a Remote Source.................................................................................................. 564

Preventing MSDP from Advertising a Local Source................................................................................................. 564

Logging Changes in Peership States...........................................................................................................................565

Terminating a Peership..................................................................................................................................................565

Clearing Peer Statistics.................................................................................................................................................566

Debugging MSDP..........................................................................................................................................................566

MSDP with Anycast RP................................................................................................................................................567

Conguring Anycast RP................................................................................................................................................568

Reducing Source-Active Message Flooding........................................................................................................ 569

Specifying the RP Address Used in SA Messages..............................................................................................569

MSDP Sample Congurations..................................................................................................................................... 569

33 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 571

Protocol Overview..........................................................................................................................................................571

Spanning Tree Variations...............................................................................................................................................572

Implementation Information....................................................................................................................................572

Contents

19

Congure Multiple Spanning Tree Protocol................................................................................................................ 572

Related Conguration Tasks................................................................................................................................... 573

Enable Multiple Spanning Tree Globally.......................................................................................................................573

Adding and Removing Interfaces................................................................................................................................. 573

Creating Multiple Spanning Tree Instances.................................................................................................................574

Inuencing MSTP Root Selection................................................................................................................................ 574

Interoperate with Non-Dell Bridges............................................................................................................................. 575

Changing the Region Name or Revision..................................................................................................................... 575

Modifying Global Parameters....................................................................................................................................... 576

Modifying the Interface Parameters............................................................................................................................577

Conguring an EdgePort.............................................................................................................................................. 578

Flush MAC Addresses after a Topology Change........................................................................................................578

MSTP Sample Congurations...................................................................................................................................... 579

Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-

CongurationSFTOS Example Running-Conguration....................................................................................... 579

Debugging and Verifying MSTP Congurations........................................................................................................ 580

34 Multicast Features...................................................................................................................................582

Enabling IP Multicast.....................................................................................................................................................582

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

First Packet Forwarding for Lossless Multicast.........................................................................................................583

Multicast Policies...........................................................................................................................................................583

IPv4 Multicast Policies............................................................................................................................................583

Understanding Multicast Traceroute (mtrace).......................................................................................................... 590

Important Points to Remember.............................................................................................................................. 591

Printing Multicast Traceroute (mtrace) Paths............................................................................................................ 591

Supported Error Codes.................................................................................................................................................592

mtrace Scenarios...........................................................................................................................................................593

35 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 599

Protocol Overview.........................................................................................................................................................599

Autonomous System (AS) Areas........................................................................................................................... 599

Area Types................................................................................................................................................................ 600

Networks and Neighbors.........................................................................................................................................601

Router Types.............................................................................................................................................................601

Designated and Backup Designated Routers....................................................................................................... 603

Link-State Advertisements (LSAs)........................................................................................................................603

Router Priority and Cost.........................................................................................................................................604

OSPF with Dell Networking OS...................................................................................................................................605

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................606

Multi-Process OSPFv2 with VRF..........................................................................................................................606

RFC-2328 Compliant OSPF Flooding................................................................................................................... 606

OSPF ACK Packing................................................................................................................................................. 607

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 607

Conguration Information.............................................................................................................................................608

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 608

20

Contents

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Dell Networking Z9500 Administrator Guide

Dell Networking Z9500 Administrator Guide

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