Dell PowerSwitch S5048F-ON User guide

Dell EMC Networking OS Configuration

Guide for the S5048F–ON 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......................................................................................................... 31

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

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

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

Chapter 2: Configuration Fundamentals...................................................................................... 32

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

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

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

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

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

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

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

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

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

Multiple Users in Configuration Mode..........................................................................................................................40

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

Viewing alias configuration.........................................................................................................................................41

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

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

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

Micro USB-B Access.................................................................................................................................................. 44

Default Configuration....................................................................................................................................................... 45

Configuring a Host Name................................................................................................................................................ 45

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

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

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

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

Configuring the Enable Password................................................................................................................................. 47

Configuration File Management.....................................................................................................................................48

Copy Files to and from the System.........................................................................................................................48

Mounting an NFS File System.................................................................................................................................. 49

Save the Running-Configuration............................................................................................................................. 50

Configure the Overload Bit for a Startup Scenario............................................................................................. 51

Viewing Files..................................................................................................................................................................51

Managing the File System...............................................................................................................................................52

View Command History................................................................................................................................................... 53

Upgrading Dell EMC Networking OS............................................................................................................................54

Using HTTP for File Transfers....................................................................................................................................... 54

Verify Software Images Before Installation................................................................................................................ 55

Chapter 4: Management.............................................................................................................. 56

Configuring Privilege Levels........................................................................................................................................... 56

Contents

Contents 3

Removing a Command from EXEC Mode..............................................................................................................57

Moving a Command from EXEC Privilege Mode to EXEC Mode.................................................................... 57

Allowing Access to CONFIGURATION Mode Commands..................................................................................57

Allowing Access to Different Modes.......................................................................................................................57

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

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

Configuring Logging......................................................................................................................................................... 59

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

Configuring Logging Format ..............................................................................................................................61

Setting Up a Secure Connection to a Syslog Server................................................................................. 61

Log Messages in the Internal Buffer............................................................................................................................ 63

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

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

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

Track Login Activity..........................................................................................................................................................64

Restrictions for Tracking Login Activity................................................................................................................ 64

Configuring Login Activity Tracking........................................................................................................................64

Display Login Statistics.............................................................................................................................................. 64

Limit Concurrent Login Sessions...................................................................................................................................66

Restrictions for Limiting the Number of Concurrent Sessions........................................................................ 66

Configuring Concurrent Session Limit....................................................................................................................66

Enabling the System to Clear Existing Sessions..................................................................................................66

Enabling Secured CLI Mode............................................................................................................................................67

Changing System Logging Settings..............................................................................................................................68

Display the Logging Buffer and the Logging Configuration....................................................................................68

Configuring a UNIX Logging Facility Level...................................................................................................................71

Synchronizing Log Messages......................................................................................................................................... 72

Enabling Timestamp on Syslog Messages................................................................................................................... 72

File Transfer Services.......................................................................................................................................................74

Enabling the FTP Server............................................................................................................................................ 74

Configuring FTP Server Parameters.......................................................................................................................74

Configuring FTP Client Parameters........................................................................................................................ 75

Terminal Lines.................................................................................................................................................................... 75

Denying and Permitting Access to a Terminal Line............................................................................................. 75

Configuring Login Authentication for Terminal Lines......................................................................................... 76

Setting Timeout for EXEC Privilege Mode.................................................................................................................. 77

Using Telnet to get to Another Network Device....................................................................................................... 78

Lock CONFIGURATION Mode........................................................................................................................................78

Reloading the system....................................................................................................................................................... 79

Restoring the Factory Default Settings.......................................................................................................................80

Restoring Factory Default Environment Variables.............................................................................................. 80

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

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

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

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

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

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

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

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

4

Contents

Configuring Critical VLAN .............................................................................................................................................. 88

Configuring MAC addresses for a do1x Profile.......................................................................................................... 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.................................................................................................................102

ACL Optimization to Increase Number of Supported IPv4 ACLs........................................................................ 103

Optimizing ACL for More Number of IPv4 ACL Rules...................................................................................... 103

Chapter 7: Access Control Lists (ACLs)..................................................................................... 104

IP Access Control Lists (ACLs)....................................................................................................................................105

CAM Usage................................................................................................................................................................. 105

Implementing ACLs on Dell EMC Networking OS..............................................................................................106

Configure ACL Range Profiles......................................................................................................................................108

Important Points to Remember....................................................................................................................................108

Configuration Task List for Route Maps..............................................................................................................109

Configuring Match Routes........................................................................................................................................ 111

Configuring Set Conditions...................................................................................................................................... 112

Configure a Route Map for Route Redistribution............................................................................................... 113

Configure a Route Map for Route Tagging.......................................................................................................... 113

Continue Clause.......................................................................................................................................................... 114

IP Fragment Handling...................................................................................................................................................... 114

IP Fragments ACL Examples....................................................................................................................................114

Layer 4 ACL Rules Examples................................................................................................................................... 115

Configure a Standard IP ACL........................................................................................................................................ 115

Configuring a Standard IP ACL Filter.....................................................................................................................116

Configure an Extended IP ACL......................................................................................................................................117

Configuring Filters with a Sequence Number...................................................................................................... 117

Configuring Filters Without a Sequence Number.............................................................................................. 120

Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 121

Assign an IP ACL to an Interface.................................................................................................................................122

Applying an IP ACL.......................................................................................................................................................... 122

Counting ACL Hits..................................................................................................................................................... 122

Configure Ingress ACLs..................................................................................................................................................123

Configure Egress ACLs.................................................................................................................................................. 123

Contents

5

Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................124

Configuring UDF ACL..................................................................................................................................................... 124

IP Prefix Lists....................................................................................................................................................................128

Configuration Task List for Prefix Lists................................................................................................................128

ACL Resequencing........................................................................................................................................................... 131

Resequencing an ACL or Prefix List......................................................................................................................132

Route Maps.......................................................................................................................................................................133

Chapter 8: Bidirectional Forwarding Detection (BFD)................................................................ 134

How BFD Works...............................................................................................................................................................134

BFD Packet Format...................................................................................................................................................135

BFD Sessions.............................................................................................................................................................. 136

BFD Three-Way Handshake.................................................................................................................................... 137

Session State Changes.............................................................................................................................................138

Important Points to Remember....................................................................................................................................138

Configure BFD.................................................................................................................................................................. 138

Configure BFD for Physical Ports..........................................................................................................................139

Configure BFD for Static Routes........................................................................................................................... 140

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

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

Configure BFD for IS-IS........................................................................................................................................... 150

Configure BFD for BGP............................................................................................................................................152

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

Configuring Protocol Liveness.................................................................................................................................161

Troubleshooting BFD................................................................................................................................................. 161

Chapter 9: Border Gateway Protocol (BGP)............................................................................... 163

BGP IP version 4 (BGPv4) Overview......................................................................................................................... 163

BGP Autonomous Systems......................................................................................................................................163

AS4 Number Representation.................................................................................................................................. 165

Four-Byte AS Numbers............................................................................................................................................ 167

BGP router ID..............................................................................................................................................................167

Sessions and Peers....................................................................................................................................................167

Establish a Session.................................................................................................................................................... 167

BGP Attributes for selecting Best Path............................................................................................................... 168

Multiprotocol BGP..................................................................................................................................................... 173

BGP global and address family configuration......................................................................................................174

Implement BGP with Dell EMC Networking OS................................................................................................. 175

Configuration Information........................................................................................................................................178

Basic BGP configuration tasks..................................................................................................................................... 178

Prerequisite for configuring a BGP network....................................................................................................... 178

Restrictions..................................................................................................................................................................179

Enabling BGP.............................................................................................................................................................. 179

Enabling four-byte autonomous system numbers.............................................................................................. 181

Changing a BGP router ID........................................................................................................................................ 181

Configuring AS4 Number Representations..........................................................................................................182

Configuring a BGP peer............................................................................................................................................183

Example-Configuring BGP routing between peers............................................................................................184

BGP peer group..........................................................................................................................................................185

6

Contents

Advanced BGP configuration tasks............................................................................................................................. 191

Route-refresh and Soft-reconfiguration...............................................................................................................191

Aggregating Routes...................................................................................................................................................194

Filtering BGP...............................................................................................................................................................196

Configuring BGP Fast Fall-Over.............................................................................................................................201

Configuring Passive Peering...................................................................................................................................203

Enabling Graceful Restart....................................................................................................................................... 203

Redistributing Routes...............................................................................................................................................204

Enabling Additional Paths........................................................................................................................................205

Configuring IP Community Lists............................................................................................................................206

Configuring an IP Extended Community List......................................................................................................207

Configure BGP attributes....................................................................................................................................... 208

Enabling Multipath......................................................................................................................................................211

Route Reflectors........................................................................................................................................................ 212

Enabling Route Flap Dampening.............................................................................................................................213

Changing BGP keepalive and hold timers............................................................................................................ 215

Setting the extended timer..................................................................................................................................... 216

Enabling or disabling BGP neighbors.....................................................................................................................216

Route Map Continue................................................................................................................................................. 218

Configuring BGP Confederations...........................................................................................................................218

Configuring a BGP VRF address family................................................................................................................ 219

Maintaining Existing AS Numbers During an AS Migration.............................................................................220

Allowing an AS Number to Appear in its Own AS Path.................................................................................... 221

Enabling MBGP Configurations.............................................................................................................................. 221

MBGP support for IPv6...........................................................................................................................................222

Configuring IPv6 MBGP between peers..............................................................................................................222

Example-Configuring IPv4 and IPv6 neighbors..................................................................................................223

Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor.................................. 225

BGP Regular Expression Optimization.................................................................................................................226

Debugging BGP......................................................................................................................................................... 226

Chapter 10: Content Addressable Memory (CAM)......................................................................229

CAM Allocation................................................................................................................................................................ 229

Test CAM Usage..............................................................................................................................................................231

View CAM-ACL Settings................................................................................................................................................231

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

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

Contents

7

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

Buffer Organization.................................................................................................................................................. 248

Enabling Data Center Bridging..................................................................................................................................... 251

DCB Maps and its Attributes.................................................................................................................................. 251

Data Center Bridging: Default Configuration........................................................................................................... 252

Configuring Priority-Based Flow Control.................................................................................................................. 252

Configuring Lossless Queues................................................................................................................................. 253

Configuring PFC in a DCB Map................................................................................................................................... 254

Applying a DCB Map on a Port....................................................................................................................................256

Configuring PFC without a DCB Map........................................................................................................................256

Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 258

Shared headroom for lossless or PFC packets........................................................................................................259

Configuring Shared Head Room Buffer...............................................................................................................260

Viewing Shared Head Room Usage....................................................................................................................... 261

Monitoring Buffer Statistics for Tracking Purposes......................................................................................... 261

Behavior of Tagged Packets.........................................................................................................................................261

Configuration Example for DSCP and PFC Priorities.............................................................................................262

SNMP Support for PFC and Buffer Statistics Tracking........................................................................................263

Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................263

PFC and ETS Configuration Examples...................................................................................................................... 265

Using PFC to Manage Converged Ethernet Traffic...............................................................................................265

Operations on Untagged Packets...............................................................................................................................265

Generation of PFC for a Priority for Untagged Packets.......................................................................................266

Configure Enhanced Transmission Selection........................................................................................................... 266

Creating an ETS Priority Group.............................................................................................................................266

ETS Operation with DCBx.......................................................................................................................................267

Configuring ETS in a DCB Map..............................................................................................................................267

Hierarchical Scheduling in ETS Output Policies...................................................................................................... 269

Using ETS to Manage Converged Ethernet Traffic............................................................................................... 269

Applying DCB Policies in a Switch Stack.................................................................................................................. 269

Configure a DCBx Operation........................................................................................................................................269

DCBx Operation.........................................................................................................................................................270

DCBx Port Roles........................................................................................................................................................270

DCB Configuration Exchange..................................................................................................................................271

Configuration Source Election................................................................................................................................ 271

Propagation of DCB Information........................................................................................................................... 272

Auto-Detection and Manual Configuration of the DCBx Version..................................................................272

DCBx Example............................................................................................................................................................273

DCBx Prerequisites and Restrictions....................................................................................................................273

Configuring DCBx......................................................................................................................................................273

Verifying the DCB Configuration................................................................................................................................. 277

8

Contents

QoS dot1p Traffic Classification and Queue Assignment......................................................................................284

Configuring the Dynamic Buffer Method..................................................................................................................284

Sample DCB Configuration...........................................................................................................................................285

Chapter 13: Dynamic Host Configuration Protocol (DHCP)........................................................ 288

DHCP Packet Format and Options.............................................................................................................................288

Assign an IP Address using DHCP.............................................................................................................................. 289

Implementation Information......................................................................................................................................... 290

Configure the System to be a DHCP Server............................................................................................................ 291

Configuring the Server for Automatic Address Allocation...............................................................................291

Specifying a Default Gateway................................................................................................................................292

Configure a Method of Hostname Resolution....................................................................................................293

Using DNS for Address Resolution....................................................................................................................... 293

Using NetBIOS WINS for Address Resolution....................................................................................................293

Creating Manual Binding Entries........................................................................................................................... 293

Debugging the DHCP Server..................................................................................................................................294

Using DHCP Clear Commands...............................................................................................................................294

Configure the System to be a DHCP Client............................................................................................................. 294

Configuring the DHCP Client System.................................................................................................................. 295

DHCP Client on a Management Interface...........................................................................................................296

DHCP Client Operation with Other Features.....................................................................................................296

Configuring DHCP relay source interface................................................................................................................. 297

Global DHCP relay source IPv4 or IPv6 configuration ....................................................................................297

Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................298

Configure Secure DHCP............................................................................................................................................... 299

Option 82 (DHCPv4 relay options).......................................................................................................................299

DHCPv6 relay agent options..................................................................................................................................300

DHCP Snooping.........................................................................................................................................................300

Drop DHCP Packets on Snooped VLANs Only.................................................................................................. 304

Dynamic ARP Inspection......................................................................................................................................... 304

Configuring Dynamic ARP Inspection.................................................................................................................. 305

Source Address Validation............................................................................................................................................306

Enabling IP Source Address Validation................................................................................................................ 306

DHCP MAC Source Address Validation............................................................................................................... 307

Enabling IP+MAC Source Address Validation.....................................................................................................307

Viewing the Number of SAV Dropped Packets................................................................................................. 308

Clearing the Number of SAV Dropped Packets.................................................................................................308

Chapter 14: Equal Cost Multi-Path (ECMP)............................................................................... 309

ECMP for Flow-Based Affinity.................................................................................................................................... 309

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

Enabling Deterministic ECMP Next Hop............................................................................................................. 309

Configuring the Hash Algorithm Seed.................................................................................................................. 310

Link Bundle Monitoring...................................................................................................................................................310

Managing ECMP Group Paths.................................................................................................................................311

Creating an ECMP Group Bundle........................................................................................................................... 311

Modifying the ECMP Group Threshold................................................................................................................. 311

Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table...............................312

Support for ECMP in host table.............................................................................................................................312

Contents

9

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

Chapter 15: FIP Snooping...........................................................................................................313

Fibre Channel over Ethernet.........................................................................................................................................313

Ensure Robustness in a Converged Ethernet Network..........................................................................................313

FIP Snooping on Ethernet Bridges.............................................................................................................................. 314

Using FIP Snooping......................................................................................................................................................... 316

FIP Snooping Prerequisites..................................................................................................................................... 316

Important Points to Remember..............................................................................................................................316

Enabling the FCoE Transit Feature........................................................................................................................318

Enable FIP Snooping on VLANs..............................................................................................................................318

Configure the FC-MAP Value................................................................................................................................. 318

Configure a Port for a Bridge-to-Bridge Link..................................................................................................... 318

Configure a Port for a Bridge-to-FCF Link..........................................................................................................319

Impact on Other Software Features..................................................................................................................... 319

FIP Snooping Restrictions........................................................................................................................................319

Configuring FIP Snooping........................................................................................................................................ 319

Displaying FIP Snooping Information..........................................................................................................................320

FCoE Transit Configuration Example......................................................................................................................... 325

Chapter 16: Flex Hash and Optimized Boot-Up...........................................................................327

Flex Hash Capability Overview.................................................................................................................................... 327

Configuring the Flex Hash Mechanism...................................................................................................................... 327

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 328

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 328

Chapter 17: Force10 Resilient Ring Protocol (FRRP)..................................................................330

Protocol Overview..........................................................................................................................................................330

Ring Status.................................................................................................................................................................. 331

Multiple FRRP Rings..................................................................................................................................................331

Important FRRP Points............................................................................................................................................332

Important FRRP Concepts......................................................................................................................................333

Implementing FRRP........................................................................................................................................................333

FRRP Configuration........................................................................................................................................................334

Creating the FRRP Group....................................................................................................................................... 334

Configuring the Control VLAN...............................................................................................................................334

Configuring and Adding the Member VLANs..................................................................................................... 335

Setting the FRRP Timers........................................................................................................................................ 336

Clearing the FRRP Counters.................................................................................................................................. 336

Viewing the FRRP Configuration...........................................................................................................................337

Viewing the FRRP Information...............................................................................................................................337

Troubleshooting FRRP................................................................................................................................................... 337

Sample Configuration and Topology...........................................................................................................................337

FRRP Support on VLT................................................................................................................................................... 339

Chapter 18: GARP VLAN Registration Protocol (GVRP)..............................................................341

Configure GVRP.............................................................................................................................................................. 342

Enabling GVRP Globally.................................................................................................................................................342

Enabling GVRP on a Layer 2 Interface...................................................................................................................... 343

10

Contents

Configure GVRP Registration...................................................................................................................................... 343

Configure a GARP Timer............................................................................................................................................... 344

Chapter 19: Internet Group Management Protocol (IGMP)........................................................ 345

IGMP Protocol Overview.............................................................................................................................................. 345

IGMP Version 2..........................................................................................................................................................345

IGMP Version 3..........................................................................................................................................................347

Configure IGMP...............................................................................................................................................................349

Viewing IGMP Enabled Interfaces.............................................................................................................................. 350

Selecting an IGMP Version...........................................................................................................................................350

Viewing IGMP Groups.................................................................................................................................................... 351

Adjusting Timers.............................................................................................................................................................. 351

Adjusting Query and Response Timers................................................................................................................. 351

Enabling IGMP Immediate-Leave................................................................................................................................ 352

IGMP Snooping................................................................................................................................................................352

Configuring IGMP Snooping................................................................................................................................... 352

Removing a Group-Port Association.................................................................................................................... 353

Disabling Multicast Flooding................................................................................................................................... 353

Specifying a Port as Connected to a Multicast Router................................................................................... 353

Configuring the Switch as Querier........................................................................................................................354

Fast Convergence after MSTP Topology Changes................................................................................................354

Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................354

Designating a Multicast Router Interface..................................................................................................................361

Chapter 20: Interfaces.............................................................................................................. 362

Interface Types................................................................................................................................................................363

View Basic Interface Information................................................................................................................................363

Resetting an Interface to its Factory Default State...............................................................................................365

Enabling a Physical Interface....................................................................................................................................... 365

Physical Interfaces......................................................................................................................................................... 366

Configuration Task List for Physical Interfaces.................................................................................................366

Overview of Layer Modes.......................................................................................................................................366

Configuring Layer 2 (Data Link) Mode.................................................................................................................367

Configuring Layer 2 (Interface) Mode................................................................................................................. 367

Configuring Layer 3 (Network) Mode..................................................................................................................367

Configuring Layer 3 (Interface) Mode.................................................................................................................368

Egress Interface Selection (EIS).................................................................................................................................368

Configuring EIS..........................................................................................................................................................369

Management Interfaces................................................................................................................................................ 369

Configuring Management Interfaces....................................................................................................................369

Configuring a Management Interface on an Ethernet Port............................................................................ 370

VLAN Interfaces.............................................................................................................................................................. 370

Loopback Interfaces........................................................................................................................................................371

Null Interfaces...................................................................................................................................................................371

Configuring Port Delay...................................................................................................................................................372

Port Channel Interfaces.................................................................................................................................................372

Port Channel Definition and Standards................................................................................................................372

Port Channel Benefits.............................................................................................................................................. 372

Port Channel Implementation.................................................................................................................................373

Contents

11

Interfaces in Port Channels.................................................................................................................................... 373

Configuration Tasks for Port Channel Interfaces..............................................................................................373

Creating a Port Channel.......................................................................................................................................... 374

Adding a Physical Interface to a Port Channel.................................................................................................. 374

Reassigning an Interface to a New Port Channel............................................................................................. 375

Configuring the Minimum Oper Up Links in a Port Channel........................................................................... 376

Adding or Removing a Port Channel from a VLAN........................................................................................... 376

Assigning an IP Address to a Port Channel.........................................................................................................377

Deleting or Disabling a Port Channel.................................................................................................................... 377

Load Balancing Through Port Channels...............................................................................................................378

Load-Balancing Method...........................................................................................................................................378

Changing the Hash Algorithm................................................................................................................................ 378

Bulk Configuration.......................................................................................................................................................... 379

Interface Range......................................................................................................................................................... 379

Bulk Configuration Examples..................................................................................................................................380

Defining Interface Range Macros................................................................................................................................ 381

Define the Interface Range.....................................................................................................................................382

Choosing an Interface-Range Macro................................................................................................................... 382

Monitoring and Maintaining Interfaces......................................................................................................................382

Maintenance Using TDR..........................................................................................................................................383

Non Dell-Qualified Transceivers.................................................................................................................................. 383

Splitting 100G Ports....................................................................................................................................................... 384

Link Dampening............................................................................................................................................................... 385

Enabling Link Dampening.........................................................................................................................................388

Link Bundle Monitoring..................................................................................................................................................389

Using Ethernet Pause Frames for Flow Control......................................................................................................389

Enabling Pause Frames............................................................................................................................................390

Configure the MTU Size on an Interface..................................................................................................................390

Configuring wavelength for 10–Gigabit SFP+ optics............................................................................................. 391

Port-Pipes.........................................................................................................................................................................392

CR4 Auto-Negotiation................................................................................................................................................... 392

Setting the Speed of Ethernet Interfaces................................................................................................................ 392

Speed Setting on 25G Interfaces............................................................................................................................... 393

Configuring 10G speed on 25G ports.........................................................................................................................394

FEC Configuration.......................................................................................................................................................... 395

View Advanced Interface Information........................................................................................................................397

Configuring the Interface Sampling Size.............................................................................................................398

Configuring the Traffic Sampling Size Globally....................................................................................................... 399

Dynamic Counters.......................................................................................................................................................... 400

Clearing Interface Counters................................................................................................................................... 400

Enhanced Validation of Interface Ranges..................................................................................................................401

Compressing Configuration Files................................................................................................................................. 401

OUI on 25G and 50G Interfaces..................................................................................................................................403

Configuring OUI on 25G and 50G Interfaces.....................................................................................................403

Chapter 21: IPv4 Routing...........................................................................................................405

IP Addresses.................................................................................................................................................................... 406

Configuration Tasks for IP Addresses....................................................................................................................... 406

Assigning IP Addresses to an Interface.....................................................................................................................406

Configuring Static Routes.............................................................................................................................................407

12

Contents

Adding description for IPv4 and IPv6 static routes..........................................................................................408

Configure Static Routes for the Management Interface...................................................................................... 409

Using the Configured Source IP Address in ICMP Messages..............................................................................409

Configuring the Duration to Establish a TCP Connection.................................................................................... 409

Enabling Directed Broadcast.........................................................................................................................................410

Resolution of Host Names.............................................................................................................................................410

Enabling Dynamic Resolution of Host Names...........................................................................................................410

Specifying the Local System Domain and a List of Domains................................................................................. 411

Configuring DNS with Traceroute................................................................................................................................ 411

ARP..................................................................................................................................................................................... 412

Configuration Tasks for ARP........................................................................................................................................ 412

Configuring Static ARP Entries.................................................................................................................................... 412

Enabling Proxy ARP.........................................................................................................................................................413

Clearing ARP Cache........................................................................................................................................................ 413

ARP Learning via Gratuitous ARP................................................................................................................................414

Enabling ARP Learning via Gratuitous ARP...............................................................................................................414

ARP Learning via ARP Request....................................................................................................................................414

Configuring ARP Retries................................................................................................................................................ 415

ICMP................................................................................................................................................................................... 415

Configuration Tasks for ICMP...................................................................................................................................... 415

Enabling ICMP Unreachable Messages...................................................................................................................... 416

ICMP Redirects................................................................................................................................................................ 416

UDP Helper........................................................................................................................................................................417

Enabling UDP Helper.......................................................................................................................................................417

Configuring a Broadcast Address................................................................................................................................ 418

Configurations Using UDP Helper................................................................................................................................418

UDP Helper with Broadcast-All Addresses................................................................................................................418

UDP Helper with Subnet Broadcast Addresses....................................................................................................... 419

UDP Helper with Configured Broadcast Addresses............................................................................................... 420

UDP Helper with No Configured Broadcast Addresses.........................................................................................420

Troubleshooting UDP Helper........................................................................................................................................420

Chapter 22: IPv6 Routing.......................................................................................................... 422

Protocol Overview.......................................................................................................................................................... 422

Extended Address Space........................................................................................................................................ 422

Path MTU discovery.................................................................................................................................................422

Stateless Autoconfiguration................................................................................................................................... 423

IPv6 Headers..............................................................................................................................................................424

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support...............................................................424

IPv6 Header Fields.................................................................................................................................................... 424

Extension Header Fields.......................................................................................................................................... 426

Addressing...................................................................................................................................................................427

Implementing IPv6 with Dell EMC Networking OS.................................................................................................427

ICMPv6..............................................................................................................................................................................427

Path MTU discovery.......................................................................................................................................................428

IPv6 Neighbor Discovery...............................................................................................................................................428

IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 429

Configuring the IPv6 Recursive DNS Server......................................................................................................429

Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 430

Displaying IPv6 RDNSS Information.....................................................................................................................430

Contents

13

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................431

Configuration Tasks for IPv6........................................................................................................................................ 431

Adjusting Your CAM-Profile.................................................................................................................................... 431

Assigning an IPv6 Address to an Interface......................................................................................................... 432

Assigning a Static IPv6 Route................................................................................................................................432

Configuring Telnet with IPv6..................................................................................................................................433

SNMP over IPv6........................................................................................................................................................433

Displaying IPv6 Information.................................................................................................................................... 434

Displaying an IPv6 Interface Information.............................................................................................................434

Showing IPv6 Routes...............................................................................................................................................435

Showing the Running-Configuration for an Interface......................................................................................436

Clearing IPv6 Routes................................................................................................................................................436

Configuring IPv6 RA Guard...........................................................................................................................................437

Chapter 23: iSCSI Optimization.................................................................................................439

iSCSI Optimization Overview....................................................................................................................................... 439

Monitoring iSCSI Traffic Flows..............................................................................................................................440

Application of Quality of Service to iSCSI Traffic Flows..................................................................................441

Information Monitored in iSCSI Traffic Flows.....................................................................................................441

Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................442

Configuring Detection and Ports for Dell Compellent Arrays.........................................................................442

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer...........................................................442

Enable and Disable iSCSI Optimization................................................................................................................ 443

Default iSCSI Optimization Values..............................................................................................................................443

iSCSI Optimization Prerequisites................................................................................................................................ 444

Configuring iSCSI Optimization................................................................................................................................... 444

Displaying iSCSI Optimization Information................................................................................................................446

Chapter 24: Intermediate System to Intermediate System.........................................................448

IS-IS Protocol Overview................................................................................................................................................448

IS-IS Addressing.............................................................................................................................................................. 448

Multi-Topology IS-IS...................................................................................................................................................... 449

Transition Mode.........................................................................................................................................................449

Interface Support......................................................................................................................................................449

Adjacencies.................................................................................................................................................................449

Graceful Restart..............................................................................................................................................................450

Timers.......................................................................................................................................................................... 450

Implementation Information......................................................................................................................................... 450

Configuration Information..............................................................................................................................................451

Configuration Tasks for IS-IS..................................................................................................................................451

Configuring the Distance of a Route....................................................................................................................458

Changing the IS-Type.............................................................................................................................................. 458

Redistributing IPv4 Routes......................................................................................................................................461

Redistributing IPv6 Routes......................................................................................................................................461

Configuring Authentication Passwords............................................................................................................... 462

Setting the Overload Bit..........................................................................................................................................463

Debugging IS-IS.........................................................................................................................................................463

IS-IS Metric Styles..........................................................................................................................................................464

Configure Metric Values................................................................................................................................................464

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Contents

Maximum Values in the Routing Table.................................................................................................................465

Change the IS-IS Metric Style in One Level Only............................................................................................. 465

Leaks from One Level to Another.........................................................................................................................466

Sample Configurations...................................................................................................................................................467

Chapter 25: Link Aggregation Control Protocol (LACP)............................................................. 470

Introduction to Dynamic LAGs and LACP................................................................................................................. 470

Important Points to Remember............................................................................................................................. 470

LACP Modes................................................................................................................................................................471

Configuring LACP Commands.................................................................................................................................471

LACP Configuration Tasks.............................................................................................................................................471

Creating a LAG...........................................................................................................................................................472

Configuring the LAG Interfaces as Dynamic.......................................................................................................472

Setting the LACP Long Timeout............................................................................................................................473

Monitoring and Debugging LACP.......................................................................................................................... 473

Shared LAG State Tracking.......................................................................................................................................... 473

Configuring Shared LAG State Tracking............................................................................................................. 474

Important Points about Shared LAG State Tracking........................................................................................475

LACP Basic Configuration Example............................................................................................................................476

Configure a LAG on ALPHA....................................................................................................................................476

Chapter 26: Layer 2................................................................................................................... 484

Manage the MAC Address Table.................................................................................................................................484

Clearing the MAC Address Table.......................................................................................................................... 484

Setting the Aging Time for Dynamic Entries...................................................................................................... 484

Configuring a Static MAC Address.......................................................................................................................485

Displaying the MAC Address Table.......................................................................................................................485

MAC Learning Limit........................................................................................................................................................485

Setting the MAC Learning Limit............................................................................................................................ 486

mac learning-limit Dynamic.....................................................................................................................................486

mac learning-limit mac-address-sticky................................................................................................................ 486

mac learning-limit station-move............................................................................................................................ 487

mac learning-limit no-station-move......................................................................................................................487

Learning Limit Violation Actions.............................................................................................................................487

Setting Station Move Violation Actions...............................................................................................................487

Recovering from Learning Limit and Station Move Violations.......................................................................488

Disabling MAC Address Learning on the System.................................................................................................... 488

Enabling port security.................................................................................................................................................... 489

NIC Teaming.....................................................................................................................................................................489

Configure Redundant Pairs.......................................................................................................................................... 490

Far-End Failure Detection.............................................................................................................................................493

FEFD State Changes................................................................................................................................................493

Configuring FEFD......................................................................................................................................................494

Enabling FEFD on an Interface.............................................................................................................................. 495

Debugging FEFD........................................................................................................................................................496

Chapter 27: Link Layer Discovery Protocol (LLDP).....................................................................497

802.1AB (LLDP) Overview............................................................................................................................................497

Protocol Data Units.................................................................................................................................................. 497

Contents

15

Optional TLVs.................................................................................................................................................................. 498

Management TLVs....................................................................................................................................................498

TIA-1057 (LLDP-MED) Overview............................................................................................................................... 500

TIA Organizationally Specific TLVs.......................................................................................................................500

Configure LLDP...............................................................................................................................................................503

CONFIGURATION versus INTERFACE Configurations......................................................................................... 504

Enabling LLDP..................................................................................................................................................................504

Disabling and Undoing LLDP.................................................................................................................................. 505

Enabling LLDP on Management Ports.......................................................................................................................505

Disabling and Undoing LLDP on Management Ports........................................................................................505

Advertising TLVs.............................................................................................................................................................505

Viewing the LLDP Configuration.................................................................................................................................506

Viewing Information Advertised by Adjacent LLDP Neighbors............................................................................507

Examples of Viewing Information Advertised by Neighbors...........................................................................507

Configuring LLDPDU Intervals.....................................................................................................................................509

Configuring Transmit and Receive Mode..................................................................................................................509

Configuring the Time to Live Value.............................................................................................................................510

Debugging LLDP............................................................................................................................................................... 511

Relevant Management Objects....................................................................................................................................512

Chapter 28: Microsoft Network Load Balancing......................................................................... 516

Configuring a Switch for NLB ..................................................................................................................................... 517

Enabling a Switch for Multicast NLB.................................................................................................................... 518

Chapter 29: Multicast Source Discovery Protocol (MSDP).........................................................519

Anycast RP.......................................................................................................................................................................520

Implementation Information.......................................................................................................................................... 521

Configure Multicast Source Discovery Protocol......................................................................................................521

Related Configuration Tasks................................................................................................................................... 521

Enable MSDP................................................................................................................................................................... 525

Manage the Source-Active Cache..............................................................................................................................526

Viewing the Source-Active Cache........................................................................................................................ 526

Limiting the Source-Active Cache........................................................................................................................526

Clearing the Source-Active Cache........................................................................................................................527

Enabling the Rejected Source-Active Cache..................................................................................................... 527

Accept Source-Active Messages that Fail the RFP Check.................................................................................. 527

Specifying Source-Active Messages..........................................................................................................................530

Limiting the Source-Active Messages from a Peer.................................................................................................531

Preventing MSDP from Caching a Local Source.....................................................................................................531

Preventing MSDP from Caching a Remote Source................................................................................................532

Preventing MSDP from Advertising a Local Source.............................................................................................. 532

Logging Changes in Peership States......................................................................................................................... 533

Terminating a Peership..................................................................................................................................................533

Clearing Peer Statistics................................................................................................................................................. 533

Debugging MSDP............................................................................................................................................................534

MSDP with Anycast RP.................................................................................................................................................534

Configuring Anycast RP................................................................................................................................................ 535

Reducing Source-Active Message Flooding.......................................................................................................536

Specifying the RP Address Used in SA Messages............................................................................................536

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Contents

MSDP Sample Configurations......................................................................................................................................538

Chapter 30: Multicast Listener Discovery Protocol.................................................................... 541

MLD timers.......................................................................................................................................................................544

Reducing Host Response Burstiness....................................................................................................................544

Configuring MLD Version..............................................................................................................................................545

Clearing MLD groups..................................................................................................................................................... 545

Debugging MLD...............................................................................................................................................................545

Explicit Tracking..............................................................................................................................................................545

Reducing Leave Latency...............................................................................................................................................545

Displaying MLD groups table........................................................................................................................................546

Displaying MLD Interfaces............................................................................................................................................546

MLD Snooping................................................................................................................................................................. 546

Enable MLD Snooping.............................................................................................................................................. 547

Disable MLD Snooping............................................................................................................................................. 547

Configure the switch as a querier......................................................................................................................... 547

Specify port as connected to multicast router.................................................................................................. 547

Enable Snooping Explicit Tracking........................................................................................................................ 547

Display the MLD Snooping Table.......................................................................................................................... 548

Chapter 31: Multiple Spanning Tree Protocol (MSTP)................................................................549

Spanning Tree Variations..............................................................................................................................................550

Implementation Information................................................................................................................................... 550

Configure Multiple Spanning Tree Protocol............................................................................................................. 550

Related Configuration Tasks.................................................................................................................................. 550

Enable Multiple Spanning Tree Globally..................................................................................................................... 551

Adding and Removing Interfaces.................................................................................................................................551

Creating Multiple Spanning Tree Instances.............................................................................................................. 551

Influencing MSTP Root Selection...............................................................................................................................553

Interoperate with Non-Dell Bridges............................................................................................................................553

Changing the Region Name or Revision....................................................................................................................553

Modifying Global Parameters.......................................................................................................................................554

Modifying the Interface Parameters..........................................................................................................................555

Setting STP path cost as constant............................................................................................................................ 556

Configuring an EdgePort.............................................................................................................................................. 556

Flush MAC Addresses after a Topology Change.....................................................................................................557

MSTP Sample Configurations...................................................................................................................................... 557

Debugging and Verifying MSTP Configurations.......................................................................................................561

Chapter 32: Multicast Features................................................................................................. 563

Enabling IP Multicast..................................................................................................................................................... 563

Implementation Information......................................................................................................................................... 563

Multicast Policies............................................................................................................................................................ 564

IPv4 Multicast Policies.............................................................................................................................................564

Understanding Multicast Traceroute (mtrace)........................................................................................................ 571

Printing Multicast Traceroute (mtrace) Paths.........................................................................................................571

Supported Error Codes..................................................................................................................................................573

mtrace Scenarios............................................................................................................................................................ 574

Contents

17

Chapter 33: Object Tracking......................................................................................................580

Object Tracking Overview............................................................................................................................................ 580

Track Layer 2 Interfaces..........................................................................................................................................581

Track Layer 3 Interfaces..........................................................................................................................................581

Track IPv4 and IPv6 Routes...................................................................................................................................582

Set Tracking Delays..................................................................................................................................................583

VRRP Object Tracking............................................................................................................................................. 583

Object Tracking Configuration.....................................................................................................................................583

Tracking a Layer 2 Interface.................................................................................................................................. 583

Tracking a Layer 3 Interface.................................................................................................................................. 584

Track an IPv4/IPv6 Route...................................................................................................................................... 585

Displaying Tracked Objects.......................................................................................................................................... 589

Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)....................................................591

Protocol Overview...........................................................................................................................................................591

Autonomous System (AS) Areas........................................................................................................................... 591

Area Types..................................................................................................................................................................592

Networks and Neighbors.........................................................................................................................................593

Router Types..............................................................................................................................................................593

Designated and Backup Designated Routers..................................................................................................... 594

Link-State Advertisements (LSAs).......................................................................................................................594

Router Priority and Cost......................................................................................................................................... 595

OSPF with Dell EMC Networking OS........................................................................................................................ 596

Graceful Restart........................................................................................................................................................596

Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 597

Multi-Process OSPFv2 with VRF..........................................................................................................................598

OSPF ACK Packing...................................................................................................................................................598

Setting OSPF Adjacency with Cisco Routers.................................................................................................... 598

Configuration Information.............................................................................................................................................599

Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................599

Configuration Task List for OSPFv3 (OSPF for IPv6)............................................................................................ 611

Enabling IPv6 Unicast Routing............................................................................................................................... 612

Assigning IPv6 Addresses on an Interface...........................................................................................................612

Assigning Area ID on an Interface..........................................................................................................................612

Assigning OSPFv3 Process ID and Router ID Globally......................................................................................613

Assigning OSPFv3 Process ID and Router ID to a VRF....................................................................................613

Configuring Stub Areas............................................................................................................................................ 614

Configuring Passive-Interface................................................................................................................................ 614

Redistributing Routes............................................................................................................................................... 614

Configuring a Default Route....................................................................................................................................615

Applying cost for OSPFv3....................................................................................................................................... 615

Enabling OSPFv3 Graceful Restart....................................................................................................................... 615

OSPFv3 Authentication Using IPsec.....................................................................................................................617

Troubleshooting OSPFv3........................................................................................................................................ 623

MIB Support for OSPFv3..............................................................................................................................................624

Viewing the OSPFv3 MIB........................................................................................................................................624

Chapter 35: Policy-based Routing (PBR)...................................................................................626

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Contents

Overview........................................................................................................................................................................... 626

Implementing PBR...........................................................................................................................................................627

Configuration Task List for Policy-based Routing.................................................................................................. 627

Create a Redirect List..............................................................................................................................................628

Create a Rule for a Redirect-list............................................................................................................................628

Apply a Redirect-list to an Interface using a Redirect-group.........................................................................630

Sample Configuration.....................................................................................................................................................632

Chapter 36: PIM Sparse-Mode (PIM-SM).................................................................................. 636

Implementation Information......................................................................................................................................... 636

Protocol Overview..........................................................................................................................................................636

Requesting Multicast Traffic..................................................................................................................................636

Refuse Multicast Traffic..........................................................................................................................................637

Send Multicast Traffic............................................................................................................................................. 637

Configuring PIM-SM.......................................................................................................................................................637

Related Configuration Tasks.................................................................................................................................. 638

Enable PIM-SM................................................................................................................................................................638

Configuring S,G Expiry Timers.....................................................................................................................................639

Configuring a Static Rendezvous Point.....................................................................................................................639

Overriding Bootstrap Router Updates................................................................................................................. 639

Configuring a Designated Router................................................................................................................................640

Creating Multicast Boundaries and Domains............................................................................................................ 641

Electing an RP using the BSR Mechanism................................................................................................................ 641

Chapter 37: PIM Source-Specific Mode (PIM-SSM).................................................................. 643

Implementation Information..........................................................................................................................................643

Configure PIM-SSM....................................................................................................................................................... 643

Enabling PIM-SSM..........................................................................................................................................................644

Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 644

Electing an RP using the BSR Mechanism............................................................................................................... 645

Enabling RP to Server Specific Multicast Groups.............................................................................................647

Chapter 38: Port Monitoring......................................................................................................648

Important Points to Remember................................................................................................................................... 648

Port Monitoring............................................................................................................................................................... 649

Configuring Port Monitoring........................................................................................................................................ 650

Configuring Monitor Multicast Queue....................................................................................................................... 652

Flow-Based Monitoring................................................................................................................................................. 652

Enabling Flow-Based Monitoring...........................................................................................................................653

Remote Port Mirroring.................................................................................................................................................. 655

Remote Port Mirroring Example............................................................................................................................655

Configuring Remote Port Mirroring......................................................................................................................656

Displaying Remote-Port Mirroring Configurations............................................................................................658

Configuration procedure for Remote Port Mirroring....................................................................................... 658

Encapsulated Remote Port Monitoring..................................................................................................................... 662

ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................664

Port Monitoring on VLT................................................................................................................................................ 665

Chapter 39: Private VLANs (PVLAN)......................................................................................... 668

Contents

19

Private VLAN Concepts................................................................................................................................................ 668

Using the Private VLAN Commands.......................................................................................................................... 669

Configuration Task List..................................................................................................................................................670

Creating PVLAN ports............................................................................................................................................. 670

Creating a Primary VLAN........................................................................................................................................ 670

Creating a Community VLAN.................................................................................................................................. 671

Creating an Isolated VLAN......................................................................................................................................672

Private VLAN Configuration Example........................................................................................................................ 673

Inspecting the Private VLAN Configuration............................................................................................................. 674

Chapter 40: Per-VLAN Spanning Tree Plus (PVST+)..................................................................676

Protocol Overview.......................................................................................................................................................... 676

Implementation Information..........................................................................................................................................677

Configure Per-VLAN Spanning Tree Plus................................................................................................................. 678

Enabling PVST+...............................................................................................................................................................678

Disabling PVST+..............................................................................................................................................................678

Influencing PVST+ Root Selection..............................................................................................................................679

Modifying Global PVST+ Parameters........................................................................................................................ 680

Modifying Interface PVST+ Parameters................................................................................................................... 680

Configuring an EdgePort............................................................................................................................................... 681

PVST+ in Multi-Vendor Networks.............................................................................................................................. 682

Enabling PVST+ Extend System ID............................................................................................................................ 682

PVST+ Sample Configurations.................................................................................................................................... 683

Chapter 41: Quality of Service (QoS).........................................................................................685

Implementation Information..........................................................................................................................................687

Port-Based QoS Configurations..................................................................................................................................687

Setting dot1p Priorities for Incoming Traffic...................................................................................................... 687

Honoring dot1p Priorities on Ingress Traffic.......................................................................................................688

Configuring Port-Based Rate Policing................................................................................................................. 688

Configuring Port-Based Rate Shaping.................................................................................................................689

Policy-Based QoS Configurations...............................................................................................................................690

Classify Traffic...........................................................................................................................................................690

Dot1p to Queue Mapping Requirement................................................................................................................693

Create a QoS Policy................................................................................................................................................. 694

DSCP Color Maps..................................................................................................................................................... 696

Create Policy Maps...................................................................................................................................................698

Enabling QoS Rate Adjustment.................................................................................................................................... 701

Enabling Strict-Priority Queueing................................................................................................................................ 701

Queue Classification Requirements for PFC Functionality................................................................................... 702

Support for marking dot1p value in L3 Input Qos Policy....................................................................................... 702

Weighted Random Early Detection.............................................................................................................................703

Enabling and Disabling WRED Globally.................................................................................................................703

Creating WRED Profiles...........................................................................................................................................704

Applying a WRED Profile to Traffic.......................................................................................................................704

Displaying Default and Configured WRED Profiles........................................................................................... 704

Displaying WRED Drop Statistics.......................................................................................................................... 704

Displaying egress–queue Statistics...................................................................................................................... 705

Pre-Calculating Available QoS CAM Space.............................................................................................................. 705

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