Dell PowerSwitch S6000 User guide

Dell Configuration Guide for the S6000

System

9.14.2.8

September 2020

Rev. A00

Notes, cautions, and warnings

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

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

the problem.

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

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Chapter 1: About this Guide.........................................................................................................32

Audience.............................................................................................................................................................................. 32

Conventions........................................................................................................................................................................32

Related Documents...........................................................................................................................................................32

Chapter 2: Configuration Fundamentals...................................................................................... 33

Accessing the Command Line........................................................................................................................................ 33

CLI Modes........................................................................................................................................................................... 33

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

The do Command.............................................................................................................................................................. 38

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

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

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

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

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

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

Configuring alias command..............................................................................................................................................41

Viewing alias configuration........................................................................................................................................42

Chapter 3: Getting Started..........................................................................................................43

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

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

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

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

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

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

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

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

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

Configuration File Management.....................................................................................................................................47

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

Mounting an NFS File System.................................................................................................................................. 48

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

Configure the Overload Bit for a Startup Scenario............................................................................................ 50

Viewing Files.................................................................................................................................................................50

Managing the File System................................................................................................................................................51

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

Upgrading Dell EMC Networking OS............................................................................................................................53

Using HTTP for File Transfers....................................................................................................................................... 53

Verify Software Images Before Installation................................................................................................................ 53

Chapter 4: Management.............................................................................................................. 55

Configuring Privilege Levels........................................................................................................................................... 55

Removing a Command from EXEC Mode..............................................................................................................56

Contents

Contents 3

Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 56

Allowing Access to CONFIGURATION Mode Commands................................................................................. 56

Allowing Access to Different Modes...................................................................................................................... 56

Applying a Privilege Level to a Username..............................................................................................................58

Applying a Privilege Level to a Terminal Line....................................................................................................... 58

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

Audit and Security Logs.............................................................................................................................................59

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

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

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

Disabling System Logging................................................................................................................................................62

Sending System Messages to a Syslog Server.......................................................................................................... 62

Configuring a UNIX System as a Syslog Server...................................................................................................62

Track Login Activity..........................................................................................................................................................63

Restrictions for Tracking Login Activity................................................................................................................ 63

Configuring Login Activity Tracking........................................................................................................................63

Display Login Statistics.............................................................................................................................................. 63

Limit Concurrent Login Sessions...................................................................................................................................65

Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 65

Configuring Concurrent Session Limit................................................................................................................... 65

Enabling the System to Clear Existing Sessions..................................................................................................65

Enabling Secured CLI Mode............................................................................................................................................66

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

Display the Logging Buffer and the Logging Configuration....................................................................................67

Configuring a UNIX Logging Facility Level..................................................................................................................68

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

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

File Transfer Services.......................................................................................................................................................72

Enabling the FTP Server............................................................................................................................................ 72

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

Configuring FTP Client Parameters........................................................................................................................ 73

Terminal Lines.....................................................................................................................................................................74

Denying and Permitting Access to a Terminal Line............................................................................................. 74

Configuring Login Authentication for Terminal Lines......................................................................................... 75

Setting Timeout for EXEC Privilege Mode..................................................................................................................76

Using Telnet to get to Another Network Device....................................................................................................... 76

Lock CONFIGURATION Mode........................................................................................................................................77

Recovering from a Forgotten Password on the S6000........................................................................................... 77

Recovering from a Forgotten Enable Password........................................................................................................ 78

Recovering from a Failed Start on the S6000........................................................................................................... 78

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

Restoring Factory Default Environment Variables.............................................................................................. 79

Viewing the Reason for Last System Reboot............................................................................................................ 80

Disabling Syslog Messages for SNMP Authentication Failure Events.................................................................. 81

Chapter 5: 802.1X........................................................................................................................82

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

EAP over RADIUS........................................................................................................................................................84

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

Important Points to Remember..................................................................................................................................... 85

4

Contents

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

Configuring dot1x Profile ................................................................................................................................................ 87

Configuring MAC addresses for a do1x Profile...........................................................................................................87

Configuring the Static MAB and MAB Profile ...........................................................................................................88

Configuring Critical VLAN .............................................................................................................................................. 89

Configuring Request Identity Re-Transmissions........................................................................................................89

Configuring a Quiet Period after a Failed Authentication..................................................................................90

Forcibly Authorizing or Unauthorizing a Port..............................................................................................................91

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

Configuring Timeouts....................................................................................................................................................... 92

Configuring Dynamic VLAN Assignment with Port Authentication...................................................................... 93

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

Configuring a Guest VLAN........................................................................................................................................95

Configuring an Authentication-Fail VLAN............................................................................................................. 95

Chapter 6: Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).... 97

Optimizing CAM Utilization During the Attachment of ACLs to VLANs..............................................................97

Guidelines for Configuring ACL VLAN Groups........................................................................................................... 98

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters.......................................... 98

Configuring ACL VLAN Groups................................................................................................................................98

Configuring FP Blocks for VLAN Parameters.......................................................................................................99

Viewing CAM Usage....................................................................................................................................................... 100

Allocating FP Blocks for VLAN Processes................................................................................................................. 101

Chapter 7: Access Control Lists (ACLs)..................................................................................... 102

IP Access Control Lists (ACLs)....................................................................................................................................103

CAM Usage................................................................................................................................................................. 103

Implementing ACLs on Dell EMC Networking OS..............................................................................................104

Important Points to Remember....................................................................................................................................105

Configuration Task List for Route Maps..............................................................................................................106

Configuring Match Routes...................................................................................................................................... 108

Configuring Set Conditions..................................................................................................................................... 109

Configure a Route Map for Route Redistribution.............................................................................................. 109

Configure a Route Map for Route Tagging..........................................................................................................110

Continue Clause.......................................................................................................................................................... 110

IP Fragment Handling.......................................................................................................................................................111

IP Fragments ACL Examples.....................................................................................................................................111

Layer 4 ACL Rules Examples.................................................................................................................................... 111

Configure a Standard IP ACL........................................................................................................................................ 112

Configuring a Standard IP ACL Filter.....................................................................................................................113

Configure an Extended IP ACL......................................................................................................................................114

Configuring Filters with a Sequence Number...................................................................................................... 114

Configuring Filters Without a Sequence Number............................................................................................... 116

Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 117

Assign an IP ACL to an Interface..................................................................................................................................117

Applying an IP ACL...........................................................................................................................................................118

Counting ACL Hits......................................................................................................................................................118

Configure Ingress ACLs.................................................................................................................................................. 119

Configure Egress ACLs................................................................................................................................................... 119

Contents

5

Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................120

IP Prefix Lists....................................................................................................................................................................120

Configuration Task List for Prefix Lists.................................................................................................................121

ACL Remarks.................................................................................................................................................................... 124

Configuring a Remark............................................................................................................................................... 124

Deleting a Remark......................................................................................................................................................125

ACL Resequencing.......................................................................................................................................................... 125

Resequencing an ACL or Prefix List......................................................................................................................126

Route Maps....................................................................................................................................................................... 127

Configuring UDF ACL......................................................................................................................................................127

Configuring IP Mirror Access Group........................................................................................................................... 129

Sample Configuration................................................................................................................................................130

Example of viewing IP mirror–access–group applied to an Interface.......................................................... 130

Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................. 131

How BFD Works................................................................................................................................................................131

BFD Packet Format...................................................................................................................................................132

BFD Sessions.............................................................................................................................................................. 133

BFD Three-Way Handshake.................................................................................................................................... 134

Session State Changes.............................................................................................................................................135

Important Points to Remember....................................................................................................................................135

Configure BFD..................................................................................................................................................................135

Configure BFD for Physical Ports..........................................................................................................................136

Configure BFD for Static Routes........................................................................................................................... 137

Configure BFD for IPv6 Static Routes.................................................................................................................. 141

Configure BFD for OSPF..........................................................................................................................................143

Configure BFD for OSPFv3..................................................................................................................................... 147

Configure BFD for IS-IS........................................................................................................................................... 149

Configure BFD for BGP.............................................................................................................................................151

Configure BFD for VRRP......................................................................................................................................... 158

Configuring Protocol Liveness................................................................................................................................160

Chapter 9: Border Gateway Protocol (BGP)................................................................................161

BGP IP version 4 (BGPv4) Overview..........................................................................................................................161

BGP Autonomous Systems...................................................................................................................................... 161

AS4 Number Representation.................................................................................................................................. 163

Four-Byte AS Numbers............................................................................................................................................ 165

BGP router ID............................................................................................................................................................. 165

Sessions and Peers....................................................................................................................................................165

Establish a Session.................................................................................................................................................... 165

BGP Attributes for selecting Best Path............................................................................................................... 166

Multiprotocol BGP...................................................................................................................................................... 171

BGP global and address family configuration......................................................................................................172

Implement BGP with Dell EMC Networking OS................................................................................................. 173

Configuration Information........................................................................................................................................176

Basic BGP configuration tasks......................................................................................................................................177

Prerequisite for configuring a BGP network........................................................................................................177

Restrictions..................................................................................................................................................................177

Enabling BGP...............................................................................................................................................................177

6

Contents

Enabling four-byte autonomous system numbers..............................................................................................179

Changing a BGP router ID....................................................................................................................................... 180

Configuring AS4 Number Representations..........................................................................................................180

Configuring a BGP peer............................................................................................................................................ 181

Example-Configuring BGP routing between peers............................................................................................182

BGP peer group..........................................................................................................................................................183

Advanced BGP configuration tasks.............................................................................................................................190

Route-refresh and Soft-reconfiguration..............................................................................................................190

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

Filtering BGP...............................................................................................................................................................194

Configuring BGP Fast Fall-Over.............................................................................................................................199

Configuring Passive Peering................................................................................................................................... 201

Enabling Graceful Restart....................................................................................................................................... 202

Redistributing Routes...............................................................................................................................................203

Enabling Additional Paths........................................................................................................................................203

Configuring IP Community Lists............................................................................................................................204

Configuring an IP Extended Community List..................................................................................................... 205

Configure BGP attributes....................................................................................................................................... 206

Enabling Multipath.....................................................................................................................................................210

Route Reflectors........................................................................................................................................................210

Enabling Route Flap Dampening..............................................................................................................................211

Changing BGP keepalive and hold timers............................................................................................................ 213

Setting the extended timer..................................................................................................................................... 214

Enabling or disabling BGP neighbors.....................................................................................................................214

Route Map Continue................................................................................................................................................. 216

Configuring BGP Confederations...........................................................................................................................216

Configuring a BGP VRF address family................................................................................................................ 217

Maintaining Existing AS Numbers During an AS Migration..............................................................................218

Allowing an AS Number to Appear in its Own AS Path.................................................................................... 219

Enabling MBGP Configurations.............................................................................................................................. 219

MBGP support for IPv6...........................................................................................................................................220

Configuring IPv6 MBGP between peers............................................................................................................. 220

Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 221

Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor...................................223

BGP Regular Expression Optimization................................................................................................................. 224

Debugging BGP......................................................................................................................................................... 225

Chapter 10: Content Addressable Memory (CAM)......................................................................227

CAM Allocation................................................................................................................................................................ 227

Test CAM Usage............................................................................................................................................................. 229

View CAM Profiles..........................................................................................................................................................229

View CAM-ACL Settings...............................................................................................................................................230

View CAM Usage............................................................................................................................................................. 231

Configuring CAM Threshold and Silence Period..................................................................................................... 232

CAM Optimization...........................................................................................................................................................233

Troubleshoot CAM Profiling......................................................................................................................................... 233

QoS CAM Region Limitation...................................................................................................................................233

Syslog Error When the Table is Full......................................................................................................................234

Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................234

Syslog Warning for Discrepancies Between Configured Extended Prefixes.............................................. 234

Contents

7

Unified Forwarding Table (UFT) Modes....................................................................................................................234

Configuring UFT Modes...........................................................................................................................................234

Chapter 11: Control Plane Policing (CoPP)................................................................................ 236

Configure Control Plane Policing.................................................................................................................................237

Configuring CoPP for Protocols............................................................................................................................238

Configuring CoPP for CPU Queues......................................................................................................................239

Protocol to CPU Queue Mapping..........................................................................................................................240

Configuring Protocol to CPU Queue Mapping....................................................................................................241

Displaying CoPP Configuration .............................................................................................................................242

Chapter 12: Data Center Bridging (DCB)....................................................................................244

Ethernet Enhancements in Data Center Bridging...................................................................................................244

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

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

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

Data Center Bridging in a Traffic Flow................................................................................................................ 248

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

DCB Maps and its Attributes..................................................................................................................................249

Data Center Bridging: Default Configuration........................................................................................................... 249

Configuring Priority-Based Flow Control.................................................................................................................. 250

Configuring Lossless Queues....................................................................................................................................... 250

Configuring PFC in a DCB Map................................................................................................................................... 252

Configuring PFC without a DCB Map........................................................................................................................253

Priority-Based Flow Control Using Dynamic Buffer Method..........................................................................255

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

Configuration Example for DSCP and PFC Priorities.............................................................................................256

SNMP Support for PFC and Buffer Statistics Tracking........................................................................................257

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

PFC and ETS Configuration Examples...................................................................................................................... 259

Using PFC to Manage Converged Ethernet Traffic...............................................................................................259

Operations on Untagged Packets...............................................................................................................................259

Generation of PFC for a Priority for Untagged Packets.......................................................................................260

Configure Enhanced Transmission Selection........................................................................................................... 260

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

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

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

Configuring Bandwidth Allocation for DCBx CIN............................................................................................... 261

Configuring ETS in a DCB Map..............................................................................................................................262

Hierarchical Scheduling in ETS Output Policies...................................................................................................... 263

Using ETS to Manage Converged Ethernet Traffic............................................................................................... 264

Applying DCB Policies in a Switch Stack.................................................................................................................. 264

Configure a DCBx Operation........................................................................................................................................264

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

DCBx Port Roles........................................................................................................................................................265

DCB Configuration Exchange.................................................................................................................................266

Configuration Source Election............................................................................................................................... 266

Propagation of DCB Information........................................................................................................................... 267

Auto-Detection and Manual Configuration of the DCBx Version..................................................................267

8

Contents

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

DCBx Prerequisites and Restrictions................................................................................................................... 268

Configuring DCBx......................................................................................................................................................268

Verifying the DCB Configuration..................................................................................................................................271

QoS dot1p Traffic Classification and Queue Assignment......................................................................................280

Configuring the Dynamic Buffer Method..................................................................................................................280

Sample DCB Configuration............................................................................................................................................281

Chapter 13: Dynamic Host Configuration Protocol (DHCP)........................................................ 284

DHCP Packet Format and Options.............................................................................................................................284

Assign an IP Address using DHCP.............................................................................................................................. 285

Implementation Information......................................................................................................................................... 286

Configure the System to be a DHCP Server............................................................................................................287

Configuring the Server for Automatic Address Allocation.............................................................................. 287

Specifying a Default Gateway................................................................................................................................288

Configure a Method of Hostname Resolution....................................................................................................289

Using DNS for Address Resolution....................................................................................................................... 289

Using NetBIOS WINS for Address Resolution....................................................................................................289

Creating Manual Binding Entries........................................................................................................................... 289

Debugging the DHCP Server................................................................................................................................. 290

Using DHCP Clear Commands...............................................................................................................................290

Configure the System to be a DHCP Client.............................................................................................................290

Configuring the DHCP Client System...................................................................................................................291

DHCP Client on a Management Interface...........................................................................................................292

DHCP Client Operation with Other Features.....................................................................................................292

DHCP Relay When DHCP Server and Client are in Different VRFs................................................................... 293

Configuring Route Leaking between VRFs on DHCP Relay Agent...............................................................293

Non-default VRF configuration for DHCPv6 helper address............................................................................... 294

Configuring DHCP relay source interface.................................................................................................................295

Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................295

Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................295

Configure the System for User Port Stacking (Option 230)............................................................................... 296

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

Option 82 (DHCPv4 relay options).......................................................................................................................297

DHCPv6 relay agent options..................................................................................................................................298

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

Configuring the DHCP secondary-subnet...........................................................................................................302

Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 303

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

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

Source Address Validation............................................................................................................................................305

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

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

Enabling IP+MAC Source Address Validation.................................................................................................... 306

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

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

Chapter 14: Equal Cost Multi-Path (ECMP)............................................................................... 308

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

Contents

9

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

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

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

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

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

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

Modifying the ECMP Group Threshold................................................................................................................ 310

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

Support for ECMP in host table..............................................................................................................................311

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

RTAG7................................................................................................................................................................................ 312

Flow-based Hashing for ECMP.................................................................................................................................... 313

Chapter 15: FIP Snooping...........................................................................................................316

Fibre Channel over Ethernet.........................................................................................................................................316

Ensure Robustness in a Converged Ethernet Network..........................................................................................316

FIP Snooping on Ethernet Bridges...............................................................................................................................317

FIP Snooping in a Switch Stack................................................................................................................................... 319

Using FIP Snooping......................................................................................................................................................... 319

FIP Snooping Prerequisites..................................................................................................................................... 319

Important Points to Remember..............................................................................................................................319

Enabling the FCoE Transit Feature.......................................................................................................................320

Enable FIP Snooping on VLANs.............................................................................................................................320

Configure the FC-MAP Value................................................................................................................................. 321

Configure a Port for a Bridge-to-Bridge Link..................................................................................................... 321

Configure a Port for a Bridge-to-FCF Link..........................................................................................................321

Impact on Other Software Features..................................................................................................................... 321

FIP Snooping Restrictions.......................................................................................................................................322

Configuring FIP Snooping........................................................................................................................................322

Displaying FIP Snooping Information..........................................................................................................................323

FCoE Transit Configuration Example......................................................................................................................... 328

Chapter 16: Flex Hash and Optimized Boot-Up...........................................................................330

Flex Hash Capability Overview.................................................................................................................................... 330

Configuring the Flex Hash Mechanism......................................................................................................................330

Configuring Fast Boot and LACP Fast Switchover.................................................................................................331

Optimizing the Boot Time..............................................................................................................................................331

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

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

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 335

Chapter 17: Force10 Resilient Ring Protocol (FRRP).................................................................. 337

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

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

Multiple FRRP Rings.................................................................................................................................................338

Important FRRP Points............................................................................................................................................339

Important FRRP Concepts......................................................................................................................................340

Implementing FRRP........................................................................................................................................................340

FRRP Configuration........................................................................................................................................................ 341

10

Contents

Creating the FRRP Group........................................................................................................................................341

Configuring the Control VLAN................................................................................................................................341

Configuring and Adding the Member VLANs..................................................................................................... 342

Setting the FRRP Timers........................................................................................................................................ 343

Clearing the FRRP Counters.................................................................................................................................. 343

Viewing the FRRP Configuration...........................................................................................................................343

Viewing the FRRP Information...............................................................................................................................343

Troubleshooting FRRP...................................................................................................................................................344

Sample Configuration and Topology...........................................................................................................................344

FRRP Support on VLT................................................................................................................................................... 345

Chapter 18: GARP VLAN Registration Protocol (GVRP)............................................................. 348

Configure GVRP..............................................................................................................................................................349

Enabling GVRP Globally.................................................................................................................................................349

Enabling GVRP on a Layer 2 Interface...................................................................................................................... 350

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

Configure a GARP Timer................................................................................................................................................351

Chapter 19: Internet Group Management Protocol (IGMP)........................................................ 352

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

IGMP Version 2..........................................................................................................................................................352

IGMP Version 3..........................................................................................................................................................354

Configure IGMP...............................................................................................................................................................356

Viewing IGMP Enabled Interfaces...............................................................................................................................357

Selecting an IGMP Version........................................................................................................................................... 357

Viewing IGMP Groups....................................................................................................................................................358

Viewing IGMP Snooping Groups................................................................................................................................. 358

Adjusting Timers..............................................................................................................................................................358

Adjusting Query and Response Timers................................................................................................................ 358

Enabling IGMP Immediate-Leave................................................................................................................................359

IGMP Snooping................................................................................................................................................................359

Configuring IGMP Snooping...................................................................................................................................360

Removing a Group-Port Association.................................................................................................................... 360

Disabling Multicast Flooding....................................................................................................................................361

Specifying a Port as Connected to a Multicast Router....................................................................................361

Configuring the Switch as Querier........................................................................................................................ 361

Fast Convergence after MSTP Topology Changes................................................................................................362

Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................362

Designating a Multicast Router Interface................................................................................................................. 369

Chapter 20: Interfaces.............................................................................................................. 370

Interface Types.................................................................................................................................................................371

View Basic Interface Information.................................................................................................................................371

Resetting an Interface to its Factory Default State............................................................................................... 373

Enabling a Physical Interface........................................................................................................................................373

Physical Interfaces..........................................................................................................................................................374

Configuration Task List for Physical Interfaces................................................................................................. 374

40G to 1G Breakout Cable Adaptor.......................................................................................................................374

Overview of Layer Modes....................................................................................................................................... 375

Contents

11

Configuring Layer 2 (Data Link) Mode................................................................................................................ 375

Configuring Layer 2 (Interface) Mode................................................................................................................. 375

Configuring Layer 3 (Network) Mode..................................................................................................................376

Configuring Layer 3 (Interface) Mode................................................................................................................. 376

Automatic recovery of an Err-disabled interface.................................................................................................... 377

Configuring an automatic recovery for an Err-disabled interface................................................................. 377

Egress Interface Selection (EIS)................................................................................................................................. 378

Configuring EIS.......................................................................................................................................................... 378

Management Interfaces.................................................................................................................................................379

Configuring Management Interfaces....................................................................................................................379

Configuring a Management Interface on an Ethernet Port............................................................................380

VLAN Interfaces...............................................................................................................................................................381

Loopback Interfaces........................................................................................................................................................381

Null Interfaces..................................................................................................................................................................382

Configuring Port Delay.................................................................................................................................................. 382

Port Channel Interfaces................................................................................................................................................ 382

Port Channel Definition and Standards............................................................................................................... 383

Port Channel Benefits..............................................................................................................................................383

Port Channel Implementation.................................................................................................................................383

Interfaces in Port Channels.................................................................................................................................... 383

Configuration Tasks for Port Channel Interfaces..............................................................................................384

Creating a Port Channel.......................................................................................................................................... 384

Adding a Physical Interface to a Port Channel.................................................................................................. 384

Reassigning an Interface to a New Port Channel............................................................................................. 386

Configuring the Minimum Oper Up Links in a Port Channel...........................................................................386

Adding or Removing a Port Channel from a VLAN........................................................................................... 387

Assigning an IP Address to a Port Channel........................................................................................................ 388

Deleting or Disabling a Port Channel....................................................................................................................388

Load Balancing Through Port Channels.............................................................................................................. 388

Changing the Hash Algorithm................................................................................................................................ 388

Bulk Configuration.......................................................................................................................................................... 389

Interface Range......................................................................................................................................................... 389

Bulk Configuration Examples..................................................................................................................................390

Defining Interface Range Macros................................................................................................................................ 391

Define the Interface Range..................................................................................................................................... 391

Choosing an Interface-Range Macro................................................................................................................... 392

Monitoring and Maintaining Interfaces......................................................................................................................392

Maintenance Using TDR..........................................................................................................................................393

Non Dell-Qualified Transceivers.................................................................................................................................. 393

Splitting 40G Ports without Reload............................................................................................................................394

Splitting QSFP Ports to SFP+ Ports..........................................................................................................................396

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..............................................................................396

Configuring wavelength for 10–Gigabit SFP+ optics............................................................................................. 401

Link Dampening................................................................................................................................................................401

Enabling Link Dampening.........................................................................................................................................404

Link Bundle Monitoring..................................................................................................................................................405

Using Ethernet Pause Frames for Flow Control......................................................................................................405

Enabling Pause Frames............................................................................................................................................406

Configure the MTU Size on an Interface..................................................................................................................406

Port-Pipes.........................................................................................................................................................................407

12

Contents

Auto-Negotiation on Ethernet Interfaces................................................................................................................. 407

Setting the Speed of Ethernet Interfaces.......................................................................................................... 408

Set Auto-Negotiation Options............................................................................................................................... 409

View Advanced Interface Information........................................................................................................................ 410

Configuring the Interface Sampling Size..............................................................................................................410

Configuring the Traffic Sampling Size Globally.........................................................................................................411

Dynamic Counters........................................................................................................................................................... 412

Clearing Interface Counters.................................................................................................................................... 413

Compressing Configuration Files................................................................................................................................. 413

Chapter 21: IPv4 Routing........................................................................................................... 416

IP Addresses......................................................................................................................................................................417

Configuration Tasks for IP Addresses.........................................................................................................................417

Assigning IP Addresses to an Interface...................................................................................................................... 417

Configuring Static Routes............................................................................................................................................. 418

Adding description for IPv4 and IPv6 static routes...........................................................................................419

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

Using the Configured Source IP Address in ICMP Messages..............................................................................420

Configuring the Duration to Establish a TCP Connection.....................................................................................420

Enabling Directed Broadcast.........................................................................................................................................421

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

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

Specifying the Local System Domain and a List of Domains................................................................................422

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

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

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

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

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

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

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

Enabling ARP Learning via Gratuitous ARP..............................................................................................................425

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

Configuring ARP Retries............................................................................................................................................... 426

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

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

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

ICMP Redirects................................................................................................................................................................427

UDP Helper.......................................................................................................................................................................428

Enabling UDP Helper...................................................................................................................................................... 428

Configuring a Broadcast Address................................................................................................................................428

Configurations Using UDP Helper...............................................................................................................................429

UDP Helper with Broadcast-All Addresses...............................................................................................................429

UDP Helper with Subnet Broadcast Addresses.......................................................................................................430

UDP Helper with Configured Broadcast Addresses............................................................................................... 430

UDP Helper with No Configured Broadcast Addresses......................................................................................... 431

Troubleshooting UDP Helper........................................................................................................................................ 431

Chapter 22: IPv6 Routing.......................................................................................................... 432

Protocol Overview.......................................................................................................................................................... 432

Contents

13

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

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

IPv6 Headers..............................................................................................................................................................433

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support...............................................................433

IPv6 Header Fields.................................................................................................................................................... 434

Extension Header Fields.......................................................................................................................................... 436

Addressing...................................................................................................................................................................437

Implementing IPv6 with Dell EMC Networking OS.................................................................................................438

ICMPv6..............................................................................................................................................................................439

Path MTU discovery...................................................................................................................................................... 440

IPv6 Neighbor Discovery...............................................................................................................................................440

IPv6 Neighbor Discovery of MTU Packets..........................................................................................................441

Configuring the IPv6 Recursive DNS Server...................................................................................................... 441

Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 442

Displaying IPv6 RDNSS Information..................................................................................................................... 442

Secure Shell (SSH) Over an IPv6 Transport............................................................................................................443

Configuration Tasks for IPv6....................................................................................................................................... 443

Adjusting Your CAM-Profile....................................................................................................................................443

Assigning an IPv6 Address to an Interface......................................................................................................... 444

Assigning a Static IPv6 Route................................................................................................................................444

Configuring Telnet with IPv6................................................................................................................................. 445

SNMP over IPv6........................................................................................................................................................445

Displaying IPv6 Information.................................................................................................................................... 445

Displaying an IPv6 Interface Information............................................................................................................ 446

Showing IPv6 Routes...............................................................................................................................................446

Showing the Running-Configuration for an Interface...................................................................................... 448

Clearing IPv6 Routes................................................................................................................................................448

Disabling ND Entry Timeout....................................................................................................................................448

Configuring IPv6 RA Guard.......................................................................................................................................... 449

Configuring IPv6 RA Guard on an Interface.......................................................................................................450

Monitoring IPv6 RA Guard......................................................................................................................................450

Chapter 23: iSCSI Optimization.................................................................................................452

iSCSI Optimization Overview....................................................................................................................................... 452

Monitoring iSCSI Traffic Flows..............................................................................................................................453

Application of Quality of Service to iSCSI Traffic Flows.................................................................................454

Information Monitored in iSCSI Traffic Flows....................................................................................................454

Detection and Auto-Configuration for Dell EqualLogic Arrays...................................................................... 455

Configuring Detection and Ports for Dell Compellent Arrays........................................................................ 455

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 455

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

Default iSCSI Optimization Values..............................................................................................................................456

iSCSI Optimization Prerequisites.................................................................................................................................457

Configuring iSCSI Optimization................................................................................................................................... 457

Displaying iSCSI Optimization Information............................................................................................................... 459

Chapter 24: Intermediate System to Intermediate System......................................................... 461

IS-IS Protocol Overview.................................................................................................................................................461

IS-IS Addressing...............................................................................................................................................................461

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Contents

Multi-Topology IS-IS...................................................................................................................................................... 462

Transition Mode.........................................................................................................................................................462

Interface Support......................................................................................................................................................462

Adjacencies.................................................................................................................................................................462

Graceful Restart..............................................................................................................................................................463

Timers.......................................................................................................................................................................... 463

Implementation Information..........................................................................................................................................463

Configuration Information.............................................................................................................................................464

Configuration Tasks for IS-IS.................................................................................................................................464

Configuring the Distance of a Route.....................................................................................................................471

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

Redistributing IPv4 Routes..................................................................................................................................... 474

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

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

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

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

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

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

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

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

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

Sample Configurations...................................................................................................................................................479

Chapter 25: In-Service Software Upgrade................................................................................. 482

ISSU Introduction............................................................................................................................................................482

Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................482

L2 ISSU..............................................................................................................................................................................483

L3 ISSU..............................................................................................................................................................................483

CoPP.................................................................................................................................................................................. 483

Mirroring flow control packets.................................................................................................................................... 484

PFC.....................................................................................................................................................................................484

QoS.....................................................................................................................................................................................484

Tunnel Configuration......................................................................................................................................................484

Chapter 26: Link Aggregation Control Protocol (LACP)............................................................. 485

Introduction to Dynamic LAGs and LACP.................................................................................................................485

Important Points to Remember............................................................................................................................. 485

LACP Modes...............................................................................................................................................................486

Configuring LACP Commands................................................................................................................................486

LACP Configuration Tasks............................................................................................................................................486

Creating a LAG...........................................................................................................................................................487

Configuring the LAG Interfaces as Dynamic.......................................................................................................487

Setting the LACP Long Timeout........................................................................................................................... 488

Monitoring and Debugging LACP.......................................................................................................................... 488

Shared LAG State Tracking..........................................................................................................................................488

Configuring Shared LAG State Tracking............................................................................................................. 489

Important Points about Shared LAG State Tracking........................................................................................490

LACP Basic Configuration Example.............................................................................................................................491

Configure a LAG on ALPHA.................................................................................................................................... 491

Contents

15

Chapter 27: Layer 2................................................................................................................... 499

Manage the MAC Address Table................................................................................................................................ 499

Clearing the MAC Address Table.......................................................................................................................... 499

Setting the Aging Time for Dynamic Entries...................................................................................................... 499

Configuring a Static MAC Address.......................................................................................................................500

Displaying the MAC Address Table.......................................................................................................................500

MAC Learning Limit........................................................................................................................................................500

Setting the MAC Learning Limit.............................................................................................................................501

mac learning-limit Dynamic......................................................................................................................................501

mac learning-limit mac-address-sticky.................................................................................................................501

mac learning-limit station-move.............................................................................................................................501

mac learning-limit no-station-move......................................................................................................................502

Learning Limit Violation Actions............................................................................................................................ 502

Setting Station Move Violation Actions...............................................................................................................502

Recovering from Learning Limit and Station Move Violations.......................................................................503

Disabling MAC Address Learning on the System.............................................................................................. 503

Enabling port security.............................................................................................................................................. 503

NIC Teaming.....................................................................................................................................................................504

Configure Redundant Pairs.......................................................................................................................................... 505

Far-End Failure Detection.............................................................................................................................................508

FEFD State Changes................................................................................................................................................508

Configuring FEFD......................................................................................................................................................509

Enabling FEFD on an Interface...............................................................................................................................510

Debugging FEFD......................................................................................................................................................... 511

Chapter 28: Link Layer Discovery Protocol (LLDP).....................................................................512

802.1AB (LLDP) Overview............................................................................................................................................ 512

Protocol Data Units...................................................................................................................................................512

Optional TLVs................................................................................................................................................................... 514

Management TLVs.................................................................................................................................................... 514

TIA-1057 (LLDP-MED) Overview................................................................................................................................515

TIA Organizationally Specific TLVs........................................................................................................................516

Configure LLDP................................................................................................................................................................519

CONFIGURATION versus INTERFACE Configurations......................................................................................... 520

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

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

Enabling LLDP on Management Ports........................................................................................................................521

Disabling and Undoing LLDP on Management Ports.........................................................................................521

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

Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 522

Viewing the LLDP Configuration.................................................................................................................................523

Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................524

Examples of Viewing Information Advertised by Neighbors...........................................................................524

Configuring LLDPDU Intervals.....................................................................................................................................526

Configuring LLDP Notification Interval......................................................................................................................527

Configuring Transmit and Receive Mode..................................................................................................................527

Configuring the Time to Live Value............................................................................................................................ 528

Debugging LLDP............................................................................................................................................................. 529

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Contents

Relevant Management Objects................................................................................................................................... 530

Chapter 29: Microsoft Network Load Balancing.........................................................................534

Configuring a Switch for NLB .................................................................................................................................... 535

Enabling a Switch for Multicast NLB................................................................................................................... 536

Chapter 30: Multicast Source Discovery Protocol (MSDP)........................................................ 537

Anycast RP.......................................................................................................................................................................538

Implementation Information......................................................................................................................................... 539

Configure Multicast Source Discovery Protocol..................................................................................................... 539

Related Configuration Tasks.................................................................................................................................. 539

Enable MSDP................................................................................................................................................................... 543

Manage the Source-Active Cache..............................................................................................................................544

Viewing the Source-Active Cache........................................................................................................................ 544

Limiting the Source-Active Cache........................................................................................................................544

Clearing the Source-Active Cache....................................................................................................................... 545

Enabling the Rejected Source-Active Cache..................................................................................................... 545

Accept Source-Active Messages that Fail the RFP Check..................................................................................545

Specifying Source-Active Messages..........................................................................................................................548

Limiting the Source-Active Messages from a Peer................................................................................................549

Preventing MSDP from Caching a Local Source.................................................................................................... 549

Preventing MSDP from Caching a Remote Source............................................................................................... 550

Preventing MSDP from Advertising a Local Source.............................................................................................. 550

Logging Changes in Peership States.......................................................................................................................... 551

Terminating a Peership.................................................................................................................................................. 551

Clearing Peer Statistics..................................................................................................................................................551

Debugging MSDP............................................................................................................................................................552

MSDP with Anycast RP.................................................................................................................................................552

Configuring Anycast RP................................................................................................................................................ 553

Reducing Source-Active Message Flooding.......................................................................................................554

Specifying the RP Address Used in SA Messages............................................................................................554

MSDP Sample Configurations..................................................................................................................................... 556

Chapter 31: Multiple Spanning Tree Protocol (MSTP)............................................................... 559

Spanning Tree Variations.............................................................................................................................................. 560

Implementation Information................................................................................................................................... 560

Configure Multiple Spanning Tree Protocol............................................................................................................. 560

Related Configuration Tasks.................................................................................................................................. 560

Enable Multiple Spanning Tree Globally..................................................................................................................... 561

Adding and Removing Interfaces.................................................................................................................................561

Creating Multiple Spanning Tree Instances.............................................................................................................. 561

Influencing MSTP Root Selection............................................................................................................................... 562

Interoperate with Non-Dell Bridges............................................................................................................................563

Changing the Region Name or Revision....................................................................................................................563

Modifying Global Parameters.......................................................................................................................................563

Modifying the Interface Parameters.......................................................................................................................... 564

Setting STP path cost as constant............................................................................................................................ 565

Configuring an EdgePort...............................................................................................................................................566

Flush MAC Addresses after a Topology Change.................................................................................................... 566

Contents

17

MSTP Sample Configurations...................................................................................................................................... 567

Debugging and Verifying MSTP Configurations...................................................................................................... 570

Chapter 32: Multicast Features................................................................................................. 572

Enabling IP Multicast......................................................................................................................................................572

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

Multicast Policies............................................................................................................................................................ 573

IPv4 Multicast Policies.............................................................................................................................................573

Understanding Multicast Traceroute (mtrace)....................................................................................................... 580

Printing Multicast Traceroute (mtrace) Paths........................................................................................................580

Supported Error Codes..................................................................................................................................................582

mtrace Scenarios............................................................................................................................................................ 583

Chapter 33: Object Tracking......................................................................................................589

Object Tracking Overview............................................................................................................................................589

Track Layer 2 Interfaces......................................................................................................................................... 590

Track Layer 3 Interfaces......................................................................................................................................... 590

Track IPv4 and IPv6 Routes....................................................................................................................................591

Set Tracking Delays..................................................................................................................................................592

VRRP Object Tracking.............................................................................................................................................592

Object Tracking Configuration.....................................................................................................................................592

Tracking a Layer 2 Interface.................................................................................................................................. 592

Tracking a Layer 3 Interface.................................................................................................................................. 593

Track an IPv4/IPv6 Route...................................................................................................................................... 594

Displaying Tracked Objects.......................................................................................................................................... 597

Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 600

Protocol Overview..........................................................................................................................................................600

Autonomous System (AS) Areas...........................................................................................................................600

Area Types...................................................................................................................................................................601

Networks and Neighbors.........................................................................................................................................602

Router Types..............................................................................................................................................................602

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

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

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

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

Graceful Restart........................................................................................................................................................605

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

Multi-Process OSPFv2 with VRF..........................................................................................................................607

RFC-2328 Compliant OSPF Flooding...................................................................................................................607

OSPF ACK Packing...................................................................................................................................................608

Setting OSPF Adjacency with Cisco Routers.................................................................................................... 608

Configuration Information.............................................................................................................................................609

Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................609

OSPFv3 NSSA..................................................................................................................................................................621

Configuration Task List for OSPFv3 (OSPF for IPv6)...........................................................................................622

Enabling IPv6 Unicast Routing...............................................................................................................................622

Applying cost for OSPFv3.......................................................................................................................................622

Assigning IPv6 Addresses on an Interface..........................................................................................................623

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Contents

Assigning Area ID on an Interface......................................................................................................................... 623

Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................623

Assigning OSPFv3 Process ID and Router ID to a VRF................................................................................... 624

Configuring Stub Areas............................................................................................................................................624

Configuring Passive-Interface............................................................................................................................... 624

Redistributing Routes...............................................................................................................................................625

Configuring a Default Route...................................................................................................................................625

Enabling OSPFv3 Graceful Restart...................................................................................................................... 625

OSPFv3 Authentication Using IPsec.................................................................................................................... 627

Troubleshooting OSPFv3........................................................................................................................................ 633

MIB Support for OSPFv3..............................................................................................................................................634

Viewing the OSPFv3 MIB........................................................................................................................................634

Chapter 35: Policy-based Routing (PBR)...................................................................................636

Overview........................................................................................................................................................................... 636

Implementing PBR...........................................................................................................................................................637

Configuration Task List for Policy-based Routing.................................................................................................. 637

Create a Redirect List..............................................................................................................................................638

Create a Rule for a Redirect-list............................................................................................................................638

Apply a Redirect-list to an Interface using a Redirect-group.........................................................................640

Sample Configuration.....................................................................................................................................................642

Chapter 36: PIM Sparse-Mode (PIM-SM).................................................................................. 646

Implementation Information......................................................................................................................................... 646

Protocol Overview..........................................................................................................................................................646

Requesting Multicast Traffic..................................................................................................................................646

Refuse Multicast Traffic..........................................................................................................................................647

Send Multicast Traffic............................................................................................................................................. 647

Configuring PIM-SM.......................................................................................................................................................647

Related Configuration Tasks.................................................................................................................................. 648

Enable PIM-SM................................................................................................................................................................648

Configuring S,G Expiry Timers.....................................................................................................................................649

Configuring a Static Rendezvous Point.................................................................................................................... 650

Overriding Bootstrap Router Updates.................................................................................................................650

Configuring a Designated Router................................................................................................................................650

Creating Multicast Boundaries and Domains........................................................................................................... 652

Chapter 37: PIM Source-Specific Mode (PIM-SSM).................................................................. 653

Implementation Information......................................................................................................................................... 653

Configure PIM-SSM.......................................................................................................................................................653

Enabling PIM-SSM..........................................................................................................................................................654

Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 654

Electing an RP using the BSR Mechanism............................................................................................................... 656

Enabling RP to Server Specific Multicast Groups.............................................................................................657

Chapter 38: Port Monitoring..................................................................................................... 659

Important Points to Remember...................................................................................................................................659

Port Monitoring...............................................................................................................................................................660

Configuring Port Monitoring........................................................................................................................................ 662

Contents

19

Configuring Monitor Multicast Queue....................................................................................................................... 663

Flow-Based Monitoring................................................................................................................................................. 664

Enabling Flow-Based Monitoring...........................................................................................................................665

Configuring IPv6 Flow-Based Mirroring.............................................................................................................. 666

Remote Port Mirroring.................................................................................................................................................. 668

Remote Port Mirroring Example............................................................................................................................669

Configuring Remote Port Mirroring......................................................................................................................669

Displaying Remote-Port Mirroring Configurations.............................................................................................671

Configuration procedure for Remote Port Mirroring........................................................................................ 671

Encapsulated Remote Port Monitoring..................................................................................................................... 676

ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................678

Port Monitoring on VLT.................................................................................................................................................679

Chapter 39: Per-VLAN Spanning Tree Plus (PVST+)..................................................................682

Protocol Overview..........................................................................................................................................................682

Implementation Information......................................................................................................................................... 683

Configure Per-VLAN Spanning Tree Plus................................................................................................................. 684

Enabling PVST+...............................................................................................................................................................684

Disabling PVST+..............................................................................................................................................................684

Influencing PVST+ Root Selection............................................................................................................................. 685

Modifying Global PVST+ Parameters........................................................................................................................ 686

Modifying Interface PVST+ Parameters................................................................................................................... 686

Configuring an EdgePort...............................................................................................................................................687

PVST+ in Multi-Vendor Networks.............................................................................................................................. 688

Enabling PVST+ Extend System ID............................................................................................................................ 688

PVST+ Sample Configurations.................................................................................................................................... 689

Chapter 40: Quality of Service (QoS).........................................................................................691

Implementation Information......................................................................................................................................... 693

Port-Based QoS Configurations..................................................................................................................................693

Setting dot1p Priorities for Incoming Traffic......................................................................................................693

Honoring dot1p Priorities on Ingress Traffic.......................................................................................................694

Configuring Port-Based Rate Policing................................................................................................................. 694

Configuring Port-Based Rate Shaping.................................................................................................................695

Policy-Based QoS Configurations...............................................................................................................................696

Classify Traffic...........................................................................................................................................................696

Dot1p to Queue Mapping Requirement............................................................................................................... 699

Create a QoS Policy................................................................................................................................................. 700

DSCP Color Maps..................................................................................................................................................... 702

Create Policy Maps...................................................................................................................................................704

Enabling QoS Rate Adjustment....................................................................................................................................707

Enabling Strict-Priority Queueing............................................................................................................................... 708

Queue Classification Requirements for PFC Functionality................................................................................... 708

Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 708

Weighted Random Early Detection.............................................................................................................................709

Enabling and Disabling WRED Globally................................................................................................................. 710

Creating WRED Profiles........................................................................................................................................... 710

Applying a WRED Profile to Traffic........................................................................................................................ 711

Displaying Default and Configured WRED Profiles............................................................................................. 711

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