Dell Networking Z9500 Reference guide

Dell Networking Configuration Guide for the

Z9500 Switch

9.7(0.0)

March 2015

Rev. A00

Notes, Cautions, and Warnings

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

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

the problem.

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

Dell

™

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

may be trademarks of their respective companies.

Chapter 1: About this Guide......................................................................................................... 27

Audience.............................................................................................................................................................................. 27

Conventions........................................................................................................................................................................ 27

Related Documents...........................................................................................................................................................27

Chapter 2: Configuration Fundamentals...................................................................................... 28

Accessing the Command Line........................................................................................................................................ 28

CLI Modes........................................................................................................................................................................... 28

Navigating CLI Modes................................................................................................................................................ 29

The do Command...............................................................................................................................................................31

Undoing Commands..........................................................................................................................................................32

Obtaining Help....................................................................................................................................................................33

Entering and Editing Commands................................................................................................................................... 33

Command History..............................................................................................................................................................34

Filtering show Command Outputs.................................................................................................................................34

Multiple Users in Configuration Mode..........................................................................................................................36

Chapter 3: Getting Started..........................................................................................................37

Console Access.................................................................................................................................................................. 37

Serial Console............................................................................................................................................................... 38

Default Configuration....................................................................................................................................................... 39

Configuring a Host Name................................................................................................................................................ 39

Accessing the System Remotely................................................................................................................................... 39

Configure the Management Port IP Address....................................................................................................... 39

Configure a Management Route..............................................................................................................................40

Configuring a Username and Password................................................................................................................. 40

Configuring the Enable Password................................................................................................................................. 40

Manage Configuration Files............................................................................................................................................. 41

File Storage....................................................................................................................................................................41

Copy Files to and from the System......................................................................................................................... 41

Save the Running-Configuration............................................................................................................................. 42

Configure the Overload Bit for a Startup Scenario.............................................................................................43

Viewing Files................................................................................................................................................................. 43

Changes in Configuration Files.................................................................................................................................44

Enabling Software Features on Devices Using a Command Option..................................................................... 44

View Command History................................................................................................................................................... 45

Upgrading the Dell Networking OS...............................................................................................................................45

Using Hashes to Validate Software Images........................................................................................................45

Chapter 4: Switch Management...................................................................................................47

Configuring Privilege Levels............................................................................................................................................47

Removing a Command from EXEC Mode..............................................................................................................48

Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 48

Allowing Access to CONFIGURATION Mode Commands................................................................................. 48

Contents

Contents 3

Allowing Access to the Following Modes.............................................................................................................. 48

Applying a Privilege Level to a Username............................................................................................................. 50

Applying a Privilege Level to a Terminal Line....................................................................................................... 50

Configuring Logging......................................................................................................................................................... 50

Audit and Security Logs.............................................................................................................................................50

Configuring Logging Format .............................................................................................................................52

Setting Up a Secure Connection to a Syslog Server................................................................................ 53

Log Messages in the Internal Buffer............................................................................................................................ 54

Disabling System Logging............................................................................................................................................... 54

Sending System Messages to a Syslog Server.......................................................................................................... 54

Configuring a UNIX System as a Syslog Server...................................................................................................55

Display the Logging Buffer and the Logging Configuration....................................................................................55

Changing System Logging Settings..............................................................................................................................55

Configuring a UNIX Logging Facility Level..................................................................................................................56

Synchronizing Log Messages......................................................................................................................................... 57

Enabling Timestamp on Syslog Messages...................................................................................................................57

File Transfer Services.......................................................................................................................................................58

Enabling the FTP Server............................................................................................................................................58

Configuring FTP Server Parameters...................................................................................................................... 59

Configuring FTP Client Parameters........................................................................................................................59

Terminal Lines.................................................................................................................................................................... 59

Denying and Permitting Access to a Terminal Line.............................................................................................60

Configuring Login Authentication for Terminal Lines......................................................................................... 60

Setting Time Out of EXEC Privilege Mode..................................................................................................................61

Using Telnet to Access Another Network Device......................................................................................................61

Lock CONFIGURATION Mode....................................................................................................................................... 62

Recovering from a Forgotten Password on the Z9500...........................................................................................63

Ignoring the Startup Configuration and Booting from the Factory-Default Configuration.............................63

Recovering from a Failed Start on the Z9500........................................................................................................... 63

Restoring Factory-Default Settings..............................................................................................................................64

Restoring Factory-Default Boot Environment Variables....................................................................................64

Chapter 5: 802.1X........................................................................................................................67

The Port-Authentication Process................................................................................................................................. 69

EAP over RADIUS........................................................................................................................................................69

Configuring 802.1X............................................................................................................................................................70

Important Points to Remember..................................................................................................................................... 70

Enabling 802.1X...................................................................................................................................................................71

Configuring Request Identity Re-Transmissions........................................................................................................72

Configuring a Quiet Period after a Failed Authentication..................................................................................73

Forcibly Authorizing or Unauthorizing a Port............................................................................................................. 73

Re-Authenticating a Port.................................................................................................................................................74

Configuring Timeouts....................................................................................................................................................... 75

Configuring Dynamic VLAN Assignment with Port Authentication.......................................................................76

Guest and Authentication-Fail VLANs..........................................................................................................................77

Configuring a Guest VLAN........................................................................................................................................ 77

Configuring an Authentication-Fail VLAN..............................................................................................................77

Chapter 6: Access Control Lists (ACLs).......................................................................................79

4

Contents

IP Access Control Lists (ACLs)..................................................................................................................................... 80

CAM Usage................................................................................................................................................................... 80

Implementing ACLs .....................................................................................................................................................81

IP Fragment Handling.......................................................................................................................................................82

IP Fragments ACL Examples.....................................................................................................................................82

Layer 4 ACL Rules Examples.................................................................................................................................... 83

Configure a Standard IP ACL......................................................................................................................................... 84

Configuring a Standard IP ACL Filter..................................................................................................................... 84

Configure an Extended IP ACL...................................................................................................................................... 85

Configuring Filters with a Sequence Number.......................................................................................................85

Configuring Filters Without a Sequence Number................................................................................................86

Configure Layer 2 and Layer 3 ACLs............................................................................................................................87

Using ACL VLAN Groups.................................................................................................................................................88

Guidelines for Configuring ACL VLAN Groups..................................................................................................... 88

Configuring an ACL VLAN Group............................................................................................................................ 88

Allocating ACL VLAN CAM....................................................................................................................................... 89

Applying an IP ACL to an Interface...............................................................................................................................90

Configure Ingress ACLs............................................................................................................................................. 90

Configure Egress ACLs...............................................................................................................................................91

Applying Egress Layer 3 ACLs (Control-Plane)....................................................................................................91

Counting ACL Hits.......................................................................................................................................................92

IP Prefix Lists..................................................................................................................................................................... 92

Configuration Task List for Prefix Lists................................................................................................................. 93

ACL Resequencing............................................................................................................................................................96

Resequencing an ACL or Prefix List....................................................................................................................... 96

Route Maps.........................................................................................................................................................................97

Important Points to Remember..................................................................................................................................... 98

Configuration Task List for Route Maps................................................................................................................98

Configuring Match Routes...................................................................................................................................... 100

Configuring Set Conditions...................................................................................................................................... 101

Configure a Route Map for Route Redistribution.............................................................................................. 102

Configure a Route Map for Route Tagging......................................................................................................... 102

Continue Clause......................................................................................................................................................... 103

Chapter 7: Bare Metal Provisioning (BMP).................................................................................104

Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 105

How BFD Works...............................................................................................................................................................105

BFD Packet Format...................................................................................................................................................106

BFD Sessions.............................................................................................................................................................. 107

BFD Three-Way Handshake....................................................................................................................................108

Session State Changes.............................................................................................................................................109

Important Points to Remember....................................................................................................................................109

Configure BFD..................................................................................................................................................................109

Configure BFD for Static Routes............................................................................................................................110

Configure BFD for OSPF........................................................................................................................................... 111

Configure BFD for OSPFv3......................................................................................................................................113

Configure BFD for IS-IS............................................................................................................................................115

Configure BFD for BGP.............................................................................................................................................117

Contents

5

Configure BFD for VRRP......................................................................................................................................... 122

Configuring Protocol Liveness................................................................................................................................125

Chapter 9: Border Gateway Protocol IPv4 (BGPv4)....................................................................126

Autonomous Systems (AS)........................................................................................................................................... 126

Sessions and Peers..........................................................................................................................................................128

Establish a Session.................................................................................................................................................... 128

Route Reflectors..............................................................................................................................................................129

BGP Attributes................................................................................................................................................................. 130

Best Path Selection Criteria....................................................................................................................................130

Weight.......................................................................................................................................................................... 132

Local Preference........................................................................................................................................................ 132

Multi-Exit Discriminators (MEDs).......................................................................................................................... 133

Origin.............................................................................................................................................................................134

AS Path........................................................................................................................................................................ 134

Next Hop......................................................................................................................................................................135

Multiprotocol BGP...........................................................................................................................................................135

Implement BGP ............................................................................................................................................................... 135

Advertise IGP Cost as MED for Redistributed Routes..................................................................................... 136

Ignore Router-ID for Some Best-Path Calculations.......................................................................................... 136

Four-Byte AS Numbers............................................................................................................................................ 136

AS4 Number Representation...................................................................................................................................137

AS Number Migration............................................................................................................................................... 138

BGP4 Management Information Base (MIB)...................................................................................................... 139

Important Points to Remember..............................................................................................................................140

Configuration Information..............................................................................................................................................140

BGP Configuration........................................................................................................................................................... 141

Enabling BGP............................................................................................................................................................... 141

Configuring AS4 Number Representations..........................................................................................................144

Configuring Peer Groups..........................................................................................................................................146

Configuring BGP Fast Fail-Over.............................................................................................................................148

Configuring Passive Peering................................................................................................................................... 149

Maintaining Existing AS Numbers During an AS Migration............................................................................. 150

Allowing an AS Number to Appear in its Own AS Path.....................................................................................151

Enabling Neighbor Graceful Restart...................................................................................................................... 151

Filtering on an AS-Path Attribute.......................................................................................................................... 152

Regular Expressions as Filters................................................................................................................................ 153

Redistributing Routes............................................................................................................................................... 154

Enabling Additional Paths........................................................................................................................................ 155

Configuring IP Community Lists.............................................................................................................................155

Configuring an IP Extended Community List...................................................................................................... 156

Filtering Routes with Community Lists.................................................................................................................157

Manipulating the COMMUNITY Attribute............................................................................................................157

Changing MED Attributes........................................................................................................................................159

Changing the LOCAL_PREFERENCE Attribute.................................................................................................159

Changing the NEXT_HOP Attribute..................................................................................................................... 160

Changing the WEIGHT Attribute........................................................................................................................... 160

Enabling Multipath.....................................................................................................................................................160

Filtering BGP Routes................................................................................................................................................. 161

Filtering BGP Routes Using Route Maps............................................................................................................. 162

6

Contents

Filtering BGP Routes Using AS-PATH Information........................................................................................... 162

Configuring BGP Route Reflectors........................................................................................................................163

Aggregating Routes...................................................................................................................................................163

Configuring BGP Confederations...........................................................................................................................164

Enabling Route Flap Dampening.............................................................................................................................164

Changing BGP Timers...............................................................................................................................................166

Enabling BGP Neighbor Soft-Reconfiguration....................................................................................................167

Route Map Continue................................................................................................................................................. 168

Enabling MBGP Configurations....................................................................................................................................168

BGP Regular Expression Optimization....................................................................................................................... 169

Debugging BGP................................................................................................................................................................169

Storing Last and Bad PDUs..................................................................................................................................... 170

Capturing PDUs..........................................................................................................................................................170

PDU Counters............................................................................................................................................................. 172

Sample Configurations....................................................................................................................................................172

Chapter 10: Content Addressable Memory (CAM)...................................................................... 180

CAM Allocation.................................................................................................................................................................180

Test CAM Usage...............................................................................................................................................................181

View CAM-ACL Settings................................................................................................................................................182

View CAM Usage............................................................................................................................................................. 183

Return to the Default CAM Configuration.................................................................................................................183

CAM Optimization........................................................................................................................................................... 184

Applications for CAM Profiling..................................................................................................................................... 184

Unified Forwarding Table (UFT) Modes.................................................................................................................... 185

Configuring UFT Modes........................................................................................................................................... 185

Chapter 11: Control Plane Policing (CoPP)................................................................................. 186

Z9500 CoPP Implementation....................................................................................................................................... 186

CoPP Example.................................................................................................................................................................. 187

Configure Control Plane Policing.................................................................................................................................189

Configuring CoPP for Protocols.............................................................................................................................189

Examples of Configuring CoPP for Protocols.....................................................................................................189

Configuring CoPP for CPU Queues...................................................................................................................... 190

Examples of Configuring CoPP for CPU Queues................................................................................................191

Displaying CoPP Configuration...............................................................................................................................192

Troubleshooting CoPP Operation................................................................................................................................ 194

Chapter 12: Data Center Bridging (DCB).................................................................................... 201

Ethernet Enhancements in Data Center Bridging....................................................................................................201

Priority-Based Flow Control................................................................................................................................... 202

Enhanced Transmission Selection.........................................................................................................................203

Data Center Bridging Exchange Protocol (DCBx)............................................................................................204

Data Center Bridging in a Traffic Flow................................................................................................................ 204

Enabling Data Center Bridging.................................................................................................................................... 205

QoS dot1p Traffic Classification and Queue Assignment......................................................................................205

SNMP Support for PFC and Buffer Statistics Tracking........................................................................................206

DCB Maps and its Attributes....................................................................................................................................... 206

Data Center Bridging: Default Configuration...........................................................................................................209

Contents

7

Configuring PFC and ETS in a DCB Map.................................................................................................................. 209

Configuring Priority-Based Flow Control................................................................................................................... 212

Configuring Lossless Queues.................................................................................................................................. 212

Configure Enhanced Transmission Selection............................................................................................................ 213

ETS Prerequisites and Restrictions....................................................................................................................... 213

Creating an ETS Priority Group..............................................................................................................................213

ETS Operation with DCBx....................................................................................................................................... 214

Configuring Bandwidth Allocation for DCBx CIN............................................................................................... 215

Applying the DCB Policies on Linecard.......................................................................................................................215

Applying DCB Policies on SFM Ports..........................................................................................................................216

Configure a DCBx Operation........................................................................................................................................ 216

DCBx Operation......................................................................................................................................................... 216

DCBx Port Roles........................................................................................................................................................ 216

DCB Configuration Exchange................................................................................................................................. 218

Configuration Source Election................................................................................................................................ 218

Propagation of DCB Information............................................................................................................................218

Auto-Detection and Manual Configuration of the DCBx Version.................................................................. 219

Behavior of Tagged Packets................................................................................................................................... 219

Configuration Example for DSCP and PFC Priorities........................................................................................219

DCBx Example............................................................................................................................................................220

DCBx Prerequisites and Restrictions.................................................................................................................... 221

Configuring DCBx...................................................................................................................................................... 221

Verifying the DCB Configuration.................................................................................................................................224

Generation of PFC for a Priority for Untagged Packets....................................................................................... 234

Operations on Untagged Packets............................................................................................................................... 234

Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................234

PFC and ETS Configuration Examples.......................................................................................................................235

Using PFC and ETS to Manage Data Center Traffic............................................................................................. 235

Using PFC and ETS to Manage Converged Ethernet Traffic.........................................................................237

Hierarchical Scheduling in ETS Output Policies.................................................................................................237

Priority-Based Flow Control Using Dynamic Buffer Method................................................................................238

Configuring the Dynamic Buffer Method..................................................................................................................239

Sample Configurations...................................................................................................................................................240

Chapter 13: Debugging and Diagnostics..................................................................................... 244

Offline Diagnostics..........................................................................................................................................................244

Running Offline Diagnostics....................................................................................................................................244

Examples of Running Offline Diagnostics............................................................................................................245

TRACE Logs..................................................................................................................................................................... 252

Auto Save on Reload, Crash, or Rollover............................................................................................................ 252

Last Restart Reason.......................................................................................................................................................253

show hardware Commands.......................................................................................................................................... 253

Environmental Monitoring.............................................................................................................................................254

Display Power Supply Status..................................................................................................................................254

Display Fan Status.................................................................................................................................................... 255

Display Transceiver Type........................................................................................................................................ 256

Recognize an Over-Temperature Condition.......................................................................................................257

Troubleshoot an Over-Temperature Condition..................................................................................................258

Troubleshooting Packet Loss.......................................................................................................................................259

Displaying Drop Counters........................................................................................................................................260

8

Contents

Displaying Dataplane Statistics...............................................................................................................................261

Displaying Line-Card Counters.............................................................................................................................. 262

Accessing Application Core Dumps............................................................................................................................ 263

Mini Core Dumps.............................................................................................................................................................263

Full Kernel Core Dumps................................................................................................................................................. 264

Enabling TCP Dumps......................................................................................................................................................264

Chapter 14: Dynamic Host Configuration Protocol (DHCP)........................................................ 265

DHCP Packet Format and Options.............................................................................................................................265

Assign an IP Address using DHCP.............................................................................................................................. 266

Implementation Information..........................................................................................................................................267

Configure the System to be a DHCP Server............................................................................................................268

Configuring the Server for Automatic Address Allocation..............................................................................268

Specifying a Default Gateway................................................................................................................................269

Configure a Method of Hostname Resolution....................................................................................................270

Using DNS for Address Resolution....................................................................................................................... 270

Using NetBIOS WINS for Address Resolution....................................................................................................270

Creating Manual Binding Entries........................................................................................................................... 270

Debugging the DHCP Server...................................................................................................................................271

Using DHCP Clear Commands................................................................................................................................ 271

Configure the System to be a Relay Agent............................................................................................................... 271

Configure the System to be a DHCP Client............................................................................................................. 273

DHCP Client on a Management Interface...........................................................................................................273

DHCP Client Operation with Other Features..................................................................................................... 273

Configure Secure DHCP................................................................................................................................................274

Option 82.....................................................................................................................................................................274

DHCP Snooping......................................................................................................................................................... 275

Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 278

Dynamic ARP Inspection..........................................................................................................................................278

Configuring Dynamic ARP Inspection...................................................................................................................279

Source Address Validation............................................................................................................................................280

Enabling IP Source Address Validation................................................................................................................ 280

DHCP MAC Source Address Validation...............................................................................................................280

Enabling IP+MAC Source Address Validation.................................................................................................... 280

Viewing the Number of SAV Dropped Packets.................................................................................................. 281

Clearing the Number of SAV Dropped Packets..................................................................................................281

Chapter 15: Equal Cost Multi-Path (ECMP)............................................................................... 282

ECMP for Flow-Based Affinity.................................................................................................................................... 282

Enabling Deterministic ECMP Next Hop............................................................................................................. 282

Configuring the Hash Algorithm Seed..................................................................................................................282

Link Bundle Monitoring..................................................................................................................................................283

Managing ECMP Group Paths............................................................................................................................... 283

Creating an ECMP Group Bundle..........................................................................................................................283

Modifying the ECMP Group Threshold................................................................................................................284

ECMP Support in L3 Host and LPM Tables............................................................................................................. 284

Chapter 16: FCoE Transit...........................................................................................................286

Fibre Channel over Ethernet........................................................................................................................................286

Contents

9

Ensure Robustness in a Converged Ethernet Network.........................................................................................286

FIP Snooping on Ethernet Bridges..............................................................................................................................287

Using FIP Snooping........................................................................................................................................................ 289

FIP Snooping Prerequisites.....................................................................................................................................289

Important Points to Remember............................................................................................................................. 289

Enabling the FCoE Transit Feature.......................................................................................................................290

Enable FIP Snooping on VLANs.............................................................................................................................290

Configure the FC-MAP Value................................................................................................................................. 291

Configure a Port for a Bridge-to-Bridge Link..................................................................................................... 291

Configure a Port for a Bridge-to-FCF Link..........................................................................................................291

Impact on Other Software Features..................................................................................................................... 291

FIP Snooping Restrictions........................................................................................................................................291

Configuring FIP Snooping....................................................................................................................................... 292

FCoE Transit Configuration Example......................................................................................................................... 293

Displaying FIP Snooping Information..........................................................................................................................294

Chapter 17: Enabling FIPS Cryptography................................................................................... 300

Configuration Tasks....................................................................................................................................................... 300

Preparing the System.................................................................................................................................................... 300

Enabling FIPS Mode........................................................................................................................................................ 301

Generating Host-Keys.................................................................................................................................................... 301

Monitoring FIPS Mode Status...................................................................................................................................... 301

Disabling FIPS Mode...................................................................................................................................................... 302

Chapter 18: Flex Hash................................................................................................................303

Flex Hash Capability Overview.................................................................................................................................... 303

Configuring the Flex Hash Mechanism......................................................................................................................303

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 304

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 304

Chapter 19: Force10 Resilient Ring Protocol (FRRP)................................................................. 306

Protocol Overview..........................................................................................................................................................306

Ring Status................................................................................................................................................................. 307

Multiple FRRP Rings.................................................................................................................................................307

Important FRRP Points............................................................................................................................................308

Important FRRP Concepts......................................................................................................................................308

Implementing FRRP........................................................................................................................................................309

FRRP Configuration....................................................................................................................................................... 309

Creating the FRRP Group.......................................................................................................................................309

Configuring the Control VLAN................................................................................................................................310

Configuring and Adding the Member VLANs.......................................................................................................311

Setting the FRRP Timers..........................................................................................................................................311

Clearing the FRRP Counters...................................................................................................................................312

Viewing the FRRP Configuration........................................................................................................................... 312

Viewing the FRRP Information............................................................................................................................... 312

Troubleshooting FRRP....................................................................................................................................................312

Sample Configuration and Topology........................................................................................................................... 313

Chapter 20: GARP VLAN Registration Protocol (GVRP)............................................................. 315

10

Contents

Configure GVRP...............................................................................................................................................................316

Enabling GVRP Globally..................................................................................................................................................316

Enabling GVRP on a Layer 2 Interface....................................................................................................................... 317

Configure GVRP Registration....................................................................................................................................... 317

Configure a GARP Timer................................................................................................................................................318

Chapter 21: Internet Group Management Protocol (IGMP)......................................................... 319

IGMP Protocol Overview............................................................................................................................................... 319

IGMP Version 2.......................................................................................................................................................... 319

IGMP Version 3...........................................................................................................................................................321

Configure IGMP...............................................................................................................................................................323

Viewing IGMP Enabled Interfaces...............................................................................................................................324

Selecting an IGMP Version........................................................................................................................................... 324

Viewing IGMP Groups....................................................................................................................................................325

Adjusting Timers..............................................................................................................................................................325

Adjusting Query and Response Timers................................................................................................................ 325

Adjusting the IGMP Querier Timeout Value........................................................................................................326

Configuring a Static IGMP Group............................................................................................................................... 326

Enabling IGMP Immediate-Leave................................................................................................................................ 326

IGMP Snooping................................................................................................................................................................327

Configuring IGMP Snooping................................................................................................................................... 327

Removing a Group-Port Association.................................................................................................................... 327

Disabling Multicast Flooding...................................................................................................................................328

Specifying a Port as Connected to a Multicast Router................................................................................... 328

Configuring the Switch as Querier........................................................................................................................328

Fast Convergence after MSTP Topology Changes................................................................................................329

Designating a Multicast Router Interface................................................................................................................. 329

Chapter 22: Interfaces.............................................................................................................. 330

Port Numbering Convention......................................................................................................................................... 331

Interface Types................................................................................................................................................................ 331

View Basic Interface Information................................................................................................................................332

Enabling a Physical Interface....................................................................................................................................... 333

Physical Interfaces..........................................................................................................................................................333

Port Pipes....................................................................................................................................................................334

Network Processing Units (NPUs)....................................................................................................................... 334

Configuration Task List for Physical Interfaces.................................................................................................334

Overview of Layer Modes....................................................................................................................................... 334

Configuring Layer 2 (Data Link) Mode................................................................................................................ 335

Configuring Layer 2 (Interface) Mode.................................................................................................................335

Configuring Layer 3 (Network) Mode..................................................................................................................335

Configuring Layer 3 (Interface) Mode.................................................................................................................336

Egress Interface Selection (EIS).................................................................................................................................336

Configuring EIS.......................................................................................................................................................... 337

Management Interfaces.................................................................................................................................................337

Configuring a Dedicated Management Interface ............................................................................................. 337

Configuring a Management Interface on an Ethernet Port............................................................................338

VLAN Interfaces..............................................................................................................................................................339

Loopback Interfaces.......................................................................................................................................................340

Contents

11

Null Interfaces..................................................................................................................................................................340

Port Channel Interfaces................................................................................................................................................ 340

Port Channel Definition and Standards................................................................................................................ 341

Port Channel Benefits...............................................................................................................................................341

Port Channel Implementation................................................................................................................................. 341

10/40 Gbps Interfaces in Port Channels..............................................................................................................341

Configuration Tasks for Port Channel Interfaces..............................................................................................342

Creating a Port Channel.......................................................................................................................................... 342

Adding a Physical Interface to a Port Channel.................................................................................................. 342

Reassigning an Interface to a New Port Channel............................................................................................. 344

Configuring the Minimum Oper Up Links in a Port Channel...........................................................................344

Adding or Removing a Port Channel from a VLAN........................................................................................... 345

Assigning an IP Address to a Port Channel........................................................................................................ 345

Deleting or Disabling a Port Channel....................................................................................................................345

Load Balancing Through Port Channels.............................................................................................................. 346

Load-Balancing Methods.........................................................................................................................................346

Changing the Hash Algorithm................................................................................................................................ 346

Bulk Configuration...........................................................................................................................................................347

Interface Range......................................................................................................................................................... 347

Bulk Configuration Examples..................................................................................................................................347

Defining Interface Range Macros............................................................................................................................... 349

Define the Interface Range.....................................................................................................................................349

Choosing an Interface-Range Macro................................................................................................................... 349

Monitoring and Maintaining Interfaces......................................................................................................................350

Displaying Traffic Statistics on HiGig Ports.............................................................................................................. 351

Link Bundle Monitoring...................................................................................................................................................351

Monitoring HiGig Link Bundles..................................................................................................................................... 351

Enabling HiGig Link-Bundle Monitoring............................................................................................................... 353

Fanning out 40G Ports Dynamically........................................................................................................................... 353

Splitting QSFP Ports to SFP+ Ports..........................................................................................................................353

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port........................................................................ 354

Link Dampening............................................................................................................................................................... 358

Enabling Link Dampening........................................................................................................................................ 358

Using Ethernet Pause Frames for Flow Control......................................................................................................360

Enabling Pause Frames............................................................................................................................................360

Configure the MTU Size on an Interface...................................................................................................................361

Auto-Negotiation on Ethernet Interfaces..................................................................................................................361

Set Auto-Negotiation Options............................................................................................................................... 362

View Advanced Interface Information....................................................................................................................... 362

Configuring the Interface Sampling Size.............................................................................................................363

Dynamic Counters...........................................................................................................................................................364

Clearing Interface Counters................................................................................................................................... 364

Chapter 23: Internet Protocol Security (IPSec).........................................................................366

Configuring IPSec ..........................................................................................................................................................366

Chapter 24: IPv4 Routing.......................................................................................................... 368

IP Addresses.....................................................................................................................................................................369

Configuration Tasks for IP Addresses........................................................................................................................369

12

Contents

Assigning IP Addresses to an Interface.....................................................................................................................369

Configuring Static Routes.............................................................................................................................................370

Configure Static Routes for the Management Interface....................................................................................... 371

Enabling Directed Broadcast.........................................................................................................................................371

Resolution of Host Names............................................................................................................................................ 372

Enabling Dynamic Resolution of Host Names.......................................................................................................... 372

Specifying the Local System Domain and a List of Domains................................................................................372

Configuring DNS with Traceroute...............................................................................................................................373

ARP.....................................................................................................................................................................................373

Configuration Tasks for ARP........................................................................................................................................374

Configuring Static ARP Entries....................................................................................................................................374

Enabling Proxy ARP........................................................................................................................................................ 374

Clearing ARP Cache....................................................................................................................................................... 374

ARP Learning via Gratuitous ARP...............................................................................................................................375

Enabling ARP Learning via Gratuitous ARP.............................................................................................................. 375

ARP Learning via ARP Request................................................................................................................................... 375

Configuring ARP Retries................................................................................................................................................376

ICMP...................................................................................................................................................................................377

Configuration Tasks for ICMP......................................................................................................................................377

Enabling ICMP Unreachable Messages......................................................................................................................377

UDP Helper....................................................................................................................................................................... 377

Enabling UDP Helper...................................................................................................................................................... 378

Configuring a Broadcast Address................................................................................................................................378

Configurations Using UDP Helper...............................................................................................................................379

UDP Helper with Broadcast-All Addresses............................................................................................................... 379

UDP Helper with Subnet Broadcast Addresses...................................................................................................... 380

UDP Helper with Configured Broadcast Addresses............................................................................................... 380

UDP Helper with No Configured Broadcast Addresses......................................................................................... 381

Troubleshooting UDP Helper........................................................................................................................................ 381

Chapter 25: IPv6 Routing.......................................................................................................... 382

Protocol Overview.......................................................................................................................................................... 382

Extended Address Space........................................................................................................................................ 382

Stateless Autoconfiguration................................................................................................................................... 382

IPv6 Headers..............................................................................................................................................................383

IPv6 Header Fields.................................................................................................................................................... 384

Extension Header Fields.......................................................................................................................................... 385

IPv6 Addressing.........................................................................................................................................................386

IPv6 Implementation on the Dell Networking OS....................................................................................................387

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

ICMPv6..............................................................................................................................................................................389

Path MTU Discovery......................................................................................................................................................389

IPv6 Neighbor Discovery...............................................................................................................................................390

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

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

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

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

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

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

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

Contents

13

Configuring Telnet with IPv6................................................................................................................................. 394

SNMP over IPv6........................................................................................................................................................394

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

Displaying an IPv6 Configuration.......................................................................................................................... 395

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

Displaying the Running Configuration for an Interface.................................................................................... 397

Clearing IPv6 Routes................................................................................................................................................397

Chapter 26: iSCSI Optimization.................................................................................................398

iSCSI Optimization Overview....................................................................................................................................... 398

Default iSCSI Optimization Values..............................................................................................................................399

iSCSI Optimization Prerequisites................................................................................................................................ 400

Configuring iSCSI Optimization...................................................................................................................................400

Displaying iSCSI Optimization Information............................................................................................................... 402

Enable and Disable iSCSI Optimization......................................................................................................................403

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer................................................................ 403

Monitoring iSCSI Traffic Flows....................................................................................................................................404

Information Monitored in iSCSI Traffic Flows..........................................................................................................404

Detection and Auto-Configuration for Dell EqualLogic Arrays............................................................................ 404

Configuring Detection and Ports for Dell Compellent Arrays.............................................................................. 405

Application of Quality of Service to iSCSI Traffic Flows.......................................................................................405

Chapter 27: Intermediate System to Intermediate System.........................................................407

IS-IS Protocol Overview................................................................................................................................................407

IS-IS Addressing.............................................................................................................................................................. 407

Multi-Topology IS-IS...................................................................................................................................................... 408

Transition Mode.........................................................................................................................................................408

Interface Support......................................................................................................................................................409

Adjacencies.................................................................................................................................................................409

Graceful Restart..............................................................................................................................................................409

Timers.......................................................................................................................................................................... 409

Implementation Information......................................................................................................................................... 409

Configuration Information..............................................................................................................................................410

Configuration Tasks for IS-IS..................................................................................................................................410

Configuring the Distance of a Route.....................................................................................................................417

Changing the IS-Type............................................................................................................................................... 418

Redistributing IPv4 Routes..................................................................................................................................... 420

Redistributing IPv6 Routes......................................................................................................................................421

Configuring Authentication Passwords................................................................................................................ 421

Setting the Overload Bit..........................................................................................................................................422

Debugging IS-IS.........................................................................................................................................................422

IS-IS Metric Styles..........................................................................................................................................................423

Configure Metric Values................................................................................................................................................423

Maximum Values in the Routing Table.................................................................................................................424

Change the IS-IS Metric Style in One Level Only............................................................................................. 424

Leaks from One Level to Another......................................................................................................................... 425

Sample Configurations...................................................................................................................................................426

Chapter 28: Link Aggregation Control Protocol (LACP)............................................................. 429

14

Contents

Introduction to Dynamic LAGs and LACP.................................................................................................................429

Important Points to Remember............................................................................................................................. 429

LACP Modes...............................................................................................................................................................430

Configuring LACP Commands................................................................................................................................430

LACP Configuration Tasks............................................................................................................................................430

Creating a LAG........................................................................................................................................................... 431

Configuring the LAG Interfaces as Dynamic....................................................................................................... 431

Setting the LACP Long Timeout........................................................................................................................... 432

Monitoring and Debugging LACP.......................................................................................................................... 432

Shared LAG State Tracking..........................................................................................................................................432

Configuring Shared LAG State Tracking............................................................................................................. 433

Important Points about Shared LAG State Tracking........................................................................................434

LACP Basic Configuration Example............................................................................................................................435

Configure a LAG on ALPHA....................................................................................................................................435

Chapter 29: Layer 2................................................................................................................... 443

Manage the MAC Address Table.................................................................................................................................443

Clearing the MAC Address Table.......................................................................................................................... 443

Setting the Aging Time for Dynamic Entries...................................................................................................... 443

Configuring a Static MAC Address....................................................................................................................... 444

Displaying the MAC Address Table.......................................................................................................................444

MAC Learning Limit........................................................................................................................................................ 444

Setting the MAC Learning Limit............................................................................................................................ 444

mac learning-limit Dynamic.....................................................................................................................................445

mac learning-limit mac-address-sticky................................................................................................................ 445

mac learning-limit station-move............................................................................................................................ 445

mac learning-limit no-station-move......................................................................................................................445

Learning Limit Violation Actions............................................................................................................................ 446

Setting Station Move Violation Actions...............................................................................................................446

Recovering from Learning Limit and Station Move Violations....................................................................... 447

NIC Teaming.....................................................................................................................................................................447

Configure Redundant Pairs...........................................................................................................................................448

Far-End Failure Detection..............................................................................................................................................451

FEFD State Changes.................................................................................................................................................451

Configuring FEFD......................................................................................................................................................452

Enabling FEFD on an Interface.............................................................................................................................. 453

Debugging FEFD........................................................................................................................................................454

Chapter 30: Link Layer Discovery Protocol (LLDP).................................................................... 455

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

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

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

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

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

TIA Organizationally Specific TLVs.......................................................................................................................458

Configure LLDP............................................................................................................................................................... 462

CONFIGURATION versus INTERFACE Configurations......................................................................................... 462

Enabling LLDP..................................................................................................................................................................463

Disabling and Undoing LLDP...................................................................................................................................463

Contents

15

Enabling LLDP on Management Ports....................................................................................................................... 463

Disabling and Undoing LLDP on Management Ports........................................................................................464

Advertising TLVs............................................................................................................................................................. 464

Viewing the LLDP Configuration.................................................................................................................................465

Viewing Information Advertised by Adjacent LLDP Agents................................................................................. 465

Configuring LLDPDU Intervals.....................................................................................................................................466

Configuring Transmit and Receive Mode.................................................................................................................. 467

Configuring a Time to Live............................................................................................................................................468

Debugging LLDP..............................................................................................................................................................468

Relevant Management Objects................................................................................................................................... 469

Chapter 31: Microsoft Network Load Balancing..........................................................................474

NLB Unicast and Multicast Modes............................................................................................................................. 474

NLB Benefits.................................................................................................................................................................... 475

NLB Restrictions............................................................................................................................................................. 475

NLB VLAN Flooding........................................................................................................................................................475

Configuring NLB on a Switch.......................................................................................................................................476

.......................................................................................................................................................................................476

Chapter 32: Multicast Source Discovery Protocol (MSDP).........................................................477

Anycast RP....................................................................................................................................................................... 478

Implementation Information..........................................................................................................................................479

Configure Multicast Source Discovery Protocol..................................................................................................... 479

Related Configuration Tasks...................................................................................................................................479

Enable MSDP................................................................................................................................................................... 483

Manage the Source-Active Cache..............................................................................................................................484

Viewing the Source-Active Cache........................................................................................................................ 484

Limiting the Source-Active Cache........................................................................................................................ 484

Clearing the Source-Active Cache....................................................................................................................... 485

Enabling the Rejected Source-Active Cache..................................................................................................... 485

Accept Source-Active Messages that Fail the RFP Check.................................................................................. 485

Specifying Source-Active Messages..........................................................................................................................489

Limiting the Source-Active Messages from a Peer................................................................................................490

Preventing MSDP from Caching a Local Source.................................................................................................... 490

Preventing MSDP from Caching a Remote Source................................................................................................ 491

Preventing MSDP from Advertising a Local Source............................................................................................... 491

Logging Changes in Peership States..........................................................................................................................492

Terminating a Peership..................................................................................................................................................492

Clearing Peer Statistics................................................................................................................................................. 493

Debugging MSDP............................................................................................................................................................493

MSDP with Anycast RP.................................................................................................................................................493

Configuring Anycast RP................................................................................................................................................ 494

Reducing Source-Active Message Flooding.......................................................................................................495

Specifying the RP Address Used in SA Messages............................................................................................495

MSDP Sample Configurations......................................................................................................................................497

Chapter 33: Multiple Spanning Tree Protocol (MSTP)............................................................... 500

Spanning Tree Variations...............................................................................................................................................501

Implementation Information.................................................................................................................................... 501

16

Contents

Configure Multiple Spanning Tree Protocol..............................................................................................................501

Related Configuration Tasks...................................................................................................................................501

Enable Multiple Spanning Tree Globally.................................................................................................................... 502

Adding and Removing Interfaces................................................................................................................................ 502

Creating Multiple Spanning Tree Instances..............................................................................................................502

Influencing MSTP Root Selection...............................................................................................................................503

Interoperate with Non-Dell Bridges............................................................................................................................504

Changing the Region Name or Revision....................................................................................................................504

Modifying Global Parameters.......................................................................................................................................504

Modifying the Interface Parameters..........................................................................................................................505

Configuring an EdgePort.............................................................................................................................................. 506

Flush MAC Addresses after a Topology Change.....................................................................................................507

MSTP Sample Configurations...................................................................................................................................... 507

Debugging and Verifying MSTP Configurations.......................................................................................................510

Chapter 34: Multicast Features..................................................................................................512

Enabling IP Multicast...................................................................................................................................................... 512

Multicast with ECMP......................................................................................................................................................512

Implementation Information.......................................................................................................................................... 513

First Packet Forwarding for Lossless Multicast.......................................................................................................514

Multicast Policies.............................................................................................................................................................514

IPv4 Multicast Policies..............................................................................................................................................514

Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)....................................................521

Protocol Overview...........................................................................................................................................................521

Autonomous System (AS) Areas............................................................................................................................521

Area Types..................................................................................................................................................................522

Networks and Neighbors.........................................................................................................................................523

Router Types..............................................................................................................................................................523

Designated and Backup Designated Routers..................................................................................................... 524

Link-State Advertisements (LSAs).......................................................................................................................524

Virtual Links................................................................................................................................................................525

Router Priority and Cost......................................................................................................................................... 526

OSPF Implementation....................................................................................................................................................526

Fast Convergence (OSPFv2, IPv4 Only).............................................................................................................527

Multi-Process OSPFv2 (IPv4 only).......................................................................................................................527

RFC-2328 Compliant OSPF Flooding...................................................................................................................527

OSPF ACK Packing...................................................................................................................................................528

Setting OSPF Adjacency with Cisco Routers.................................................................................................... 528

Configuration Information.............................................................................................................................................529

Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................529

Sample Configurations for OSPFv2............................................................................................................................ 541

Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................... 542

Enabling IPv6 Unicast Routing...............................................................................................................................542

Assigning IPv6 Addresses on an Interface..........................................................................................................543

Assigning Area ID on an Interface.........................................................................................................................543

Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................543

Configuring Stub Areas............................................................................................................................................544

Configuring Passive-Interface............................................................................................................................... 544

Contents

17

Redistributing Routes...............................................................................................................................................544

Configuring a Default Route...................................................................................................................................545

OSPFv3 Authentication Using IPsec....................................................................................................................545

Troubleshooting OSPFv3.........................................................................................................................................551

Chapter 36: Pay As You Grow ................................................................................................... 552

Installing a License..........................................................................................................................................................552

Displaying License Information.................................................................................................................................... 554

Chapter 37: PIM Sparse-Mode (PIM-SM).................................................................................. 556

Implementation Information......................................................................................................................................... 556

Protocol Overview..........................................................................................................................................................556

Requesting Multicast Traffic..................................................................................................................................556

Refuse Multicast Traffic..........................................................................................................................................557

Send Multicast Traffic............................................................................................................................................. 557

Configuring PIM-SM...................................................................................................................................................... 557

Related Configuration Tasks.................................................................................................................................. 558

Enable PIM-SM............................................................................................................................................................... 558

Configuring S,G Expiry Timers.....................................................................................................................................559

Configuring a Static Rendezvous Point.................................................................................................................... 560

Overriding Bootstrap Router Updates.................................................................................................................560

Configuring a Designated Router................................................................................................................................560

Creating Multicast Boundaries and Domains............................................................................................................ 561

Enabling PIM-SM Graceful Restart.............................................................................................................................561

Chapter 38: PIM Source-Specific Mode (PIM-SSM).................................................................. 562

Implementation Information......................................................................................................................................... 562

Configure PIM-SMM......................................................................................................................................................562

Enabling PIM-SSM..........................................................................................................................................................563

Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 563

Chapter 39: Policy-based Routing (PBR)...................................................................................565

Overview...........................................................................................................................................................................565

Implementing Policy-based Routing with Dell Networking OS............................................................................ 567

Configuration Task List for Policy-based Routing.................................................................................................. 567

Sample Configuration......................................................................................................................................................571

Chapter 40: Port Monitoring......................................................................................................574

Local Port Monitoring.................................................................................................................................................... 574

Important Points to Remember............................................................................................................................. 574

Examples of Port Monitoring..................................................................................................................................574

Configuring Port Monitoring...................................................................................................................................576

Remote Port Mirroring...................................................................................................................................................577

Remote Port Mirroring Example............................................................................................................................ 577

Configuring Remote Port Mirroring...................................................................................................................... 578

Displaying a Remote-Port Mirroring Configuration...........................................................................................579

Configuring Remote Port Monitoring...................................................................................................................579

Encapsulated Remote-Port Monitoring.....................................................................................................................582

18

Contents

Chapter 41: Private VLANs (PVLAN)..........................................................................................584

Private VLAN Concepts................................................................................................................................................ 584

Using the Private VLAN Commands.......................................................................................................................... 585

Configuration Task List................................................................................................................................................. 586

Creating PVLAN ports............................................................................................................................................. 586

Creating a Primary VLAN........................................................................................................................................ 587

Creating a Community VLAN................................................................................................................................. 587

Creating an Isolated VLAN......................................................................................................................................588

Private VLAN Configuration Example........................................................................................................................589

Inspecting the Private VLAN Configuration.............................................................................................................590

Chapter 42: Per-VLAN Spanning Tree Plus (PVST+)..................................................................592

Protocol Overview..........................................................................................................................................................592

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

Configure Per-VLAN Spanning Tree Plus................................................................................................................. 593

Enabling PVST+...............................................................................................................................................................594

Disabling PVST+..............................................................................................................................................................594

Influencing PVST+ Root Selection............................................................................................................................. 594

Modifying Global PVST+ Parameters........................................................................................................................ 596

Modifying Interface PVST+ Parameters................................................................................................................... 596

Configuring an EdgePort...............................................................................................................................................597

PVST+ in Multi-Vendor Networks.............................................................................................................................. 598

Enabling PVST+ Extend System ID............................................................................................................................ 598

PVST+ Sample Configurations.................................................................................................................................... 599

Chapter 43: Quality of Service (QoS).........................................................................................601

Implementation Information......................................................................................................................................... 602

Port-Based QoS Configurations..................................................................................................................................602

Setting dot1p Priorities for Incoming Traffic......................................................................................................602

Honoring dot1p Priorities on Ingress Traffic.......................................................................................................603

Configuring Port-Based Rate Policing................................................................................................................. 603

Configuring Port-Based Rate Shaping.................................................................................................................604

Policy-Based QoS Configurations...............................................................................................................................605

Classify Traffic...........................................................................................................................................................605

Create a QoS Policy................................................................................................................................................. 609

Create Policy Maps................................................................................................................................................... 612

DSCP Color Maps............................................................................................................................................................615

Creating a DSCP Color Map...............................................................................................................................615

Displaying DSCP Color Maps.................................................................................................................................. 616

Displaying a DSCP Color Policy Configuration ...................................................................................................617

Enabling QoS Rate Adjustment.................................................................................................................................... 617

Enabling Strict-Priority Queueing................................................................................................................................ 618

Weighted Random Early Detection............................................................................................................................. 618

Creating WRED Profiles........................................................................................................................................... 619

Applying a WRED Profile to Traffic....................................................................................................................... 619

Displaying Default and Configured WRED Profiles............................................................................................619

Displaying WRED Drop Statistics.......................................................................................................................... 620

Explicit Congestion Notification..................................................................................................................................620

Contents

19

ECN Packet Classification...................................................................................................................................... 620

Example: Color-marking non-ECN Packets in One Traffic Class...................................................................621

Example: Color-marking non-ECN Packets in Different Traffic Classes......................................................621

Using A Configurable Weight for WRED and ECN................................................................................................. 622

Benefits of Using a Configurable Weight for WRED with ECN..................................................................... 622

Setting Average Queue Size using a Weight......................................................................................................623

Global Service-Pools for WRED with ECN......................................................................................................... 623

Configuring a Weight for WRED and ECN Operation...................................................................................... 624

Pre-Calculating Available QoS CAM Space..............................................................................................................625

SNMP Support for Buffer Statistics Tracking.........................................................................................................626

Chapter 44: Routing Information Protocol (RIP)........................................................................627

Protocol Overview.......................................................................................................................................................... 627

RIPv1.............................................................................................................................................................................627

RIPv2............................................................................................................................................................................627

Implementation Information..........................................................................................................................................627

Configuration Information.............................................................................................................................................628

Configuration Task List............................................................................................................................................628

RIP Configuration Example..................................................................................................................................... 633

Chapter 45: Remote Monitoring (RMON).................................................................................. 639

Implementation Information......................................................................................................................................... 639

Fault Recovery.................................................................................................................................................................639

Setting the RMON Alarm........................................................................................................................................ 639

Configuring an RMON Event................................................................................................................................. 640

Configuring RMON Collection Statistics..............................................................................................................641

Configuring the RMON Collection History.......................................................................................................... 641

Chapter 46: Rapid Spanning Tree Protocol (RSTP)....................................................................643

Protocol Overview..........................................................................................................................................................643

Configuring Rapid Spanning Tree............................................................................................................................... 643

Important Points to Remember...................................................................................................................................644

RSTP and VLT............................................................................................................................................................644

Configuring Interfaces for Layer 2 Mode..................................................................................................................644

Enabling Rapid Spanning Tree Protocol Globally.................................................................................................... 645

Adding and Removing Interfaces................................................................................................................................ 647

Modifying Global Parameters....................................................................................................................................... 647

Enabling SNMP Traps for Root Elections and Topology Changes................................................................648

Modifying Interface Parameters..................................................................................................................................648

Influencing RSTP Root Selection................................................................................................................................648

Configuring an EdgePort...............................................................................................................................................649

Configuring Fast Hellos for Link State Detection...................................................................................................650

Chapter 47: Security..................................................................................................................651

Role-Based Access Control...........................................................................................................................................651

Overview of RBAC.................................................................................................................................................... 651

User Roles...................................................................................................................................................................653

AAA Authentication and Authorization for Roles.............................................................................................. 656

Role Accounting........................................................................................................................................................ 659

20

Contents

Page is loading ...

Dell Networking Z9500 Reference guide

Dell Networking Z9500 Reference guide

Other documents