Dell PowerSwitch S6000 Administrator Guide

Dell Configuration Guide for the S6000

System

9.14.2.5

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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2020 - 01

Rev. A00

1 About this Guide......................................................................................................................... 32

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

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

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

2 Configuration Fundamentals....................................................................................................... 33

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

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

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

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

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

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

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

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

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

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

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

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

3 Getting Started..........................................................................................................................43

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

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

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

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

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

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

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

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

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

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

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

Mounting an NFS File System......................................................................................................................................47

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

Configure the Overload Bit for a Startup Scenario...................................................................................................49

Viewing Files...................................................................................................................................................................49

Managing the File System..................................................................................................................................................50

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

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

Using HTTP for File Transfers........................................................................................................................................... 52

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

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

Configuring Privilege Levels...............................................................................................................................................54

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

Contents

Contents 3

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

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

Allowing Access to Different Modes...........................................................................................................................55

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

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

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

Audit and Security Logs................................................................................................................................................57

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

Setting Up a Secure Connection to a Syslog Server.......................................................................................59

Log Messages in the Internal Buffer..................................................................................................................................61

Disabling System Logging................................................................................................................................................... 61

Sending System Messages to a Syslog Server................................................................................................................ 61

Configuring a UNIX System as a Syslog Server.........................................................................................................61

Track Login Activity............................................................................................................................................................ 62

Restrictions for Tracking Login Activity......................................................................................................................62

Configuring Login Activity Tracking............................................................................................................................ 62

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

Limit Concurrent Login Sessions.......................................................................................................................................64

Restrictions for Limiting the Number of Concurrent Sessions................................................................................64

Configuring Concurrent Session Limit........................................................................................................................ 64

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

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

Changing System Logging Settings..................................................................................................................................65

Display the Logging Buffer and the Logging Configuration...........................................................................................66

Configuring a UNIX Logging Facility Level....................................................................................................................... 67

Synchronizing Log Messages............................................................................................................................................ 68

Enabling Timestamp on Syslog Messages........................................................................................................................68

File Transfer Services.......................................................................................................................................................... 71

Enabling the FTP Server................................................................................................................................................71

Configuring FTP Server Parameters............................................................................................................................71

Configuring FTP Client Parameters.............................................................................................................................72

Terminal Lines...................................................................................................................................................................... 72

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

Configuring Login Authentication for Terminal Lines................................................................................................73

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

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

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

Recovering from a Forgotten Password on the S6000................................................................................................. 76

Recovering from a Forgotten Enable Password..............................................................................................................76

Recovering from a Failed Start on the S6000.................................................................................................................76

Restoring the Factory Default Settings............................................................................................................................ 77

Restoring Factory Default Environment Variables.....................................................................................................77

Viewing the Reason for Last System Reboot..................................................................................................................78

Disabling Syslog Messages for SNMP Authentication Failure Events..........................................................................79

5 802.1X.......................................................................................................................................80

Port-Authentication Process..............................................................................................................................................81

EAP over RADIUS..........................................................................................................................................................82

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

Important Points to Remember.........................................................................................................................................83

4

Contents

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

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

Configuring MAC addresses for a do1x Profile................................................................................................................85

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

Configuring Critical VLAN ................................................................................................................................................. 86

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

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

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

Re-Authenticating a Port................................................................................................................................................... 88

Configuring Timeouts..........................................................................................................................................................89

Configuring Dynamic VLAN Assignment with Port Authentication..............................................................................90

Guest and Authentication-Fail VLANs...............................................................................................................................91

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

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

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)..........................94

Optimizing CAM Utilization During the Attachment of ACLs to VLANs......................................................................94

Guidelines for Configuring ACL VLAN Groups................................................................................................................ 94

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters................................................... 95

Configuring ACL VLAN Groups................................................................................................................................... 95

Configuring FP Blocks for VLAN Parameters............................................................................................................96

Viewing CAM Usage........................................................................................................................................................... 96

Allocating FP Blocks for VLAN Processes....................................................................................................................... 98

7 Access Control Lists (ACLs)........................................................................................................99

IP Access Control Lists (ACLs)........................................................................................................................................100

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

Implementing ACLs on Dell EMC Networking OS.................................................................................................... 101

Important Points to Remember....................................................................................................................................... 102

Configuration Task List for Route Maps...................................................................................................................102

Configuring Match Routes..........................................................................................................................................104

Configuring Set Conditions.........................................................................................................................................105

Configure a Route Map for Route Redistribution....................................................................................................106

Configure a Route Map for Route Tagging.............................................................................................................. 106

Continue Clause............................................................................................................................................................107

IP Fragment Handling........................................................................................................................................................ 107

IP Fragments ACL Examples...................................................................................................................................... 107

Layer 4 ACL Rules Examples...................................................................................................................................... 108

Configure a Standard IP ACL........................................................................................................................................... 108

Configuring a Standard IP ACL Filter........................................................................................................................ 109

Configure an Extended IP ACL......................................................................................................................................... 110

Configuring Filters with a Sequence Number........................................................................................................... 110

Configuring Filters Without a Sequence Number.....................................................................................................112

Configure Layer 2 and Layer 3 ACLs............................................................................................................................... 113

Assign an IP ACL to an Interface......................................................................................................................................114

Applying an IP ACL............................................................................................................................................................. 114

Counting ACL Hits........................................................................................................................................................ 114

Configure Ingress ACLs..................................................................................................................................................... 115

Configure Egress ACLs......................................................................................................................................................115

Contents

5

Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................................116

IP Prefix Lists...................................................................................................................................................................... 116

Configuration Task List for Prefix Lists......................................................................................................................117

ACL Remarks......................................................................................................................................................................120

Configuring a Remark..................................................................................................................................................120

Deleting a Remark........................................................................................................................................................120

ACL Resequencing............................................................................................................................................................. 121

Resequencing an ACL or Prefix List........................................................................................................................... 121

Route Maps........................................................................................................................................................................ 122

Configuring UDF ACL........................................................................................................................................................ 123

Configuring IP Mirror Access Group................................................................................................................................125

Sample Configuration.................................................................................................................................................. 125

Example of viewing IP mirror–access–group applied to an Interface...................................................................126

8 Bidirectional Forwarding Detection (BFD)................................................................................... 127

How BFD Works.................................................................................................................................................................127

BFD Packet Format..................................................................................................................................................... 128

BFD Sessions................................................................................................................................................................ 129

BFD Three-Way Handshake....................................................................................................................................... 130

Session State Changes................................................................................................................................................ 131

Important Points to Remember........................................................................................................................................ 131

Configure BFD.....................................................................................................................................................................131

Configure BFD for Physical Ports.............................................................................................................................. 132

Configure BFD for Static Routes............................................................................................................................... 133

Configure BFD for IPv6 Static Routes...................................................................................................................... 136

Configure BFD for OSPF.............................................................................................................................................138

Configure BFD for OSPFv3........................................................................................................................................ 142

Configure BFD for IS-IS...............................................................................................................................................144

Configure BFD for BGP...............................................................................................................................................146

Configure BFD for VRRP............................................................................................................................................ 153

Configuring Protocol Liveness................................................................................................................................... 155

9 Border Gateway Protocol (BGP)................................................................................................ 156

BGP IP version 4 (BGPv4) Overview............................................................................................................................. 156

BGP Autonomous Systems........................................................................................................................................ 156

AS4 Number Representation......................................................................................................................................158

Four-Byte AS Numbers...............................................................................................................................................160

BGP router ID............................................................................................................................................................... 160

Sessions and Peers...................................................................................................................................................... 160

Establish a Session.......................................................................................................................................................160

BGP Attributes for selecting Best Path.....................................................................................................................161

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

BGP global and address family configuration........................................................................................................... 167

Implement BGP with Dell EMC Networking OS...................................................................................................... 168

Configuration Information............................................................................................................................................ 171

Basic BGP configuration tasks..........................................................................................................................................171

Prerequisite for configuring a BGP network..............................................................................................................171

Restrictions.................................................................................................................................................................... 171

Enabling BGP.................................................................................................................................................................171

6

Contents

Enabling four-byte autonomous system numbers................................................................................................... 173

Changing a BGP router ID...........................................................................................................................................174

Configuring AS4 Number Representations...............................................................................................................174

Configuring a BGP peer...............................................................................................................................................175

Example-Configuring BGP routing between peers..................................................................................................176

BGP peer group............................................................................................................................................................ 177

Advanced BGP configuration tasks.................................................................................................................................184

Route-refresh and Soft-reconfiguration...................................................................................................................184

Aggregating Routes..................................................................................................................................................... 186

Filtering BGP.................................................................................................................................................................188

Configuring BGP Fast Fall-Over.................................................................................................................................193

Configuring Passive Peering.......................................................................................................................................194

Enabling Graceful Restart........................................................................................................................................... 195

Redistributing Routes.................................................................................................................................................. 196

Enabling Additional Paths............................................................................................................................................196

Configuring IP Community Lists.................................................................................................................................197

Configuring an IP Extended Community List............................................................................................................198

Configure BGP attributes........................................................................................................................................... 199

Enabling Multipath.......................................................................................................................................................202

Route Reflectors......................................................................................................................................................... 203

Enabling Route Flap Dampening................................................................................................................................204

Changing BGP keepalive and hold timers................................................................................................................ 206

Setting the extended timer........................................................................................................................................206

Enabling or disabling BGP neighbors.........................................................................................................................207

Route Map Continue...................................................................................................................................................208

Configuring BGP Confederations..............................................................................................................................208

Configuring a BGP VRF address family....................................................................................................................209

Maintaining Existing AS Numbers During an AS Migration.....................................................................................210

Allowing an AS Number to Appear in its Own AS Path........................................................................................... 211

Enabling MBGP Configurations..................................................................................................................................212

MBGP support for IPv6...............................................................................................................................................212

Configuring IPv6 MBGP between peers...................................................................................................................212

Example-Configuring IPv4 and IPv6 neighbors........................................................................................................213

Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor............................................. 215

BGP Regular Expression Optimization...................................................................................................................... 216

Debugging BGP............................................................................................................................................................ 217

10 Content Addressable Memory (CAM)........................................................................................ 219

CAM Allocation...................................................................................................................................................................219

Test CAM Usage...............................................................................................................................................................220

View CAM Profiles.............................................................................................................................................................221

View CAM-ACL Settings.................................................................................................................................................. 221

View CAM Usage.............................................................................................................................................................. 223

Configuring CAM Threshold and Silence Period........................................................................................................... 223

CAM Optimization.............................................................................................................................................................225

Troubleshoot CAM Profiling............................................................................................................................................ 225

QoS CAM Region Limitation...................................................................................................................................... 225

Syslog Error When the Table is Full.......................................................................................................................... 225

Syslog Warning Upon 90 Percent Utilization of CAM............................................................................................225

Syslog Warning for Discrepancies Between Configured Extended Prefixes.......................................................225

Contents

7

Unified Forwarding Table (UFT) Modes........................................................................................................................ 225

Configuring UFT Modes............................................................................................................................................. 226

11 Control Plane Policing (CoPP).................................................................................................. 227

Configure Control Plane Policing.....................................................................................................................................228

Configuring CoPP for Protocols................................................................................................................................229

Configuring CoPP for CPU Queues..........................................................................................................................230

Protocol to CPU Queue Mapping.............................................................................................................................. 231

Configuring Protocol to CPU Queue Mapping........................................................................................................ 232

Displaying CoPP Configuration .................................................................................................................................232

12 Data Center Bridging (DCB)..................................................................................................... 234

Ethernet Enhancements in Data Center Bridging.........................................................................................................234

Priority-Based Flow Control.......................................................................................................................................235

Enhanced Transmission Selection.............................................................................................................................236

Data Center Bridging Exchange Protocol (DCBx).................................................................................................. 237

Data Center Bridging in a Traffic Flow..................................................................................................................... 237

Enabling Data Center Bridging.........................................................................................................................................238

DCB Maps and its Attributes..................................................................................................................................... 238

Data Center Bridging: Default Configuration.................................................................................................................239

Configuring Priority-Based Flow Control....................................................................................................................... 239

Configuring Lossless Queues...........................................................................................................................................240

Configuring PFC in a DCB Map........................................................................................................................................241

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

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

Behavior of Tagged Packets............................................................................................................................................244

Configuration Example for DSCP and PFC Priorities................................................................................................... 245

SNMP Support for PFC and Buffer Statistics Tracking.............................................................................................. 246

Performing PFC Using DSCP Bits Instead of 802.1p Bits............................................................................................246

PFC and ETS Configuration Examples........................................................................................................................... 247

Using PFC to Manage Converged Ethernet Traffic..................................................................................................... 247

Operations on Untagged Packets...................................................................................................................................248

Generation of PFC for a Priority for Untagged Packets..............................................................................................248

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

ETS Prerequisites and Restrictions...........................................................................................................................248

Creating an ETS Priority Group................................................................................................................................. 248

ETS Operation with DCBx..........................................................................................................................................249

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

Configuring ETS in a DCB Map................................................................................................................................. 250

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

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

Applying DCB Policies in a Switch Stack....................................................................................................................... 252

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

DCBx Operation...........................................................................................................................................................252

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

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

Configuration Source Election...................................................................................................................................254

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

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

8

Contents

DCBx Example............................................................................................................................................................. 255

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

Configuring DCBx........................................................................................................................................................256

Verifying the DCB Configuration.....................................................................................................................................259

QoS dot1p Traffic Classification and Queue Assignment.............................................................................................267

Configuring the Dynamic Buffer Method.......................................................................................................................268

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

13 Dynamic Host Configuration Protocol (DHCP)............................................................................271

DHCP Packet Format and Options..................................................................................................................................271

Assign an IP Address using DHCP...................................................................................................................................272

Implementation Information............................................................................................................................................. 273

Configure the System to be a DHCP Server.................................................................................................................274

Configuring the Server for Automatic Address Allocation..................................................................................... 274

Specifying a Default Gateway....................................................................................................................................275

Configure a Method of Hostname Resolution......................................................................................................... 275

Using DNS for Address Resolution............................................................................................................................275

Using NetBIOS WINS for Address Resolution......................................................................................................... 276

Creating Manual Binding Entries............................................................................................................................... 276

Debugging the DHCP Server.....................................................................................................................................276

Using DHCP Clear Commands.................................................................................................................................. 276

Configure the System to be a DHCP Client...................................................................................................................277

Configuring the DHCP Client System....................................................................................................................... 277

DHCP Client on a Management Interface................................................................................................................278

DHCP Client Operation with Other Features.......................................................................................................... 279

DHCP Relay When DHCP Server and Client are in Different VRFs........................................................................... 279

Configuring Route Leaking between VRFs on DHCP Relay Agent...................................................................... 280

Non-default VRF configuration for DHCPv6 helper address.......................................................................................281

Configuring DHCP relay source interface.......................................................................................................................281

Global DHCP relay source IPv4 or IPv6 configuration ........................................................................................... 281

Interface level DHCP relay source IPv4 or IPv6 configuration .............................................................................282

Configure the System for User Port Stacking (Option 230)...................................................................................... 283

Configure Secure DHCP.................................................................................................................................................. 283

Option 82 (DHCPv4 relay options)...........................................................................................................................283

DHCPv6 relay agent options......................................................................................................................................284

DHCP Snooping...........................................................................................................................................................284

Configuring the DHCP secondary-subnet............................................................................................................... 288

Drop DHCP Packets on Snooped VLANs Only....................................................................................................... 288

Dynamic ARP Inspection............................................................................................................................................ 289

Configuring Dynamic ARP Inspection.......................................................................................................................289

Source Address Validation............................................................................................................................................... 290

Enabling IP Source Address Validation......................................................................................................................291

DHCP MAC Source Address Validation.................................................................................................................... 291

Enabling IP+MAC Source Address Validation...........................................................................................................291

Viewing the Number of SAV Dropped Packets.......................................................................................................292

Clearing the Number of SAV Dropped Packets...................................................................................................... 292

14 Equal Cost Multi-Path (ECMP).................................................................................................293

ECMP for Flow-Based Affinity........................................................................................................................................293

Contents

9

Configuring the Hash Algorithm................................................................................................................................ 293

Enabling Deterministic ECMP Next Hop..................................................................................................................293

Configuring the Hash Algorithm Seed...................................................................................................................... 293

Link Bundle Monitoring.....................................................................................................................................................294

Managing ECMP Group Paths.................................................................................................................................. 294

Creating an ECMP Group Bundle............................................................................................................................. 295

Modifying the ECMP Group Threshold....................................................................................................................295

Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table........................................296

Support for ECMP in host table................................................................................................................................296

Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ........................................................................... 296

RTAG7................................................................................................................................................................................ 296

Flow-based Hashing for ECMP.......................................................................................................................................298

15 FIP Snooping...........................................................................................................................301

Fibre Channel over Ethernet............................................................................................................................................ 301

Ensure Robustness in a Converged Ethernet Network................................................................................................301

FIP Snooping on Ethernet Bridges..................................................................................................................................302

FIP Snooping in a Switch Stack...................................................................................................................................... 304

Using FIP Snooping...........................................................................................................................................................304

FIP Snooping Prerequisites........................................................................................................................................ 304

Important Points to Remember.................................................................................................................................304

Enabling the FCoE Transit Feature...........................................................................................................................305

Enable FIP Snooping on VLANs................................................................................................................................ 305

Configure the FC-MAP Value....................................................................................................................................306

Configure a Port for a Bridge-to-Bridge Link.......................................................................................................... 306

Configure a Port for a Bridge-to-FCF Link..............................................................................................................306

Impact on Other Software Features.........................................................................................................................306

FIP Snooping Restrictions..........................................................................................................................................306

Configuring FIP Snooping...........................................................................................................................................307

Displaying FIP Snooping Information.............................................................................................................................. 307

FCoE Transit Configuration Example.............................................................................................................................. 312

16 Flex Hash and Optimized Boot-Up............................................................................................. 314

Flex Hash Capability Overview.........................................................................................................................................314

Configuring the Flex Hash Mechanism........................................................................................................................... 314

Configuring Fast Boot and LACP Fast Switchover.......................................................................................................315

Optimizing the Boot Time.................................................................................................................................................315

Interoperation of Applications with Fast Boot and System States............................................................................. 316

RDMA Over Converged Ethernet (RoCE) Overview....................................................................................................318

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.........................................................................................319

17 Force10 Resilient Ring Protocol (FRRP).................................................................................... 320

Protocol Overview............................................................................................................................................................ 320

Ring Status....................................................................................................................................................................321

Multiple FRRP Rings.................................................................................................................................................... 321

Important FRRP Points...............................................................................................................................................322

Important FRRP Concepts.........................................................................................................................................323

Implementing FRRP.......................................................................................................................................................... 323

FRRP Configuration.......................................................................................................................................................... 324

10

Contents

Creating the FRRP Group.......................................................................................................................................... 324

Configuring the Control VLAN...................................................................................................................................324

Configuring and Adding the Member VLANs.......................................................................................................... 325

Setting the FRRP Timers........................................................................................................................................... 326

Clearing the FRRP Counters......................................................................................................................................326

Viewing the FRRP Configuration.............................................................................................................................. 326

Viewing the FRRP Information.................................................................................................................................. 326

Troubleshooting FRRP......................................................................................................................................................327

Sample Configuration and Topology............................................................................................................................... 327

FRRP Support on VLT......................................................................................................................................................328

18 GARP VLAN Registration Protocol (GVRP)................................................................................ 331

Configure GVRP.................................................................................................................................................................331

Enabling GVRP Globally....................................................................................................................................................332

Enabling GVRP on a Layer 2 Interface........................................................................................................................... 333

Configure GVRP Registration..........................................................................................................................................333

Configure a GARP Timer..................................................................................................................................................333

19 Internet Group Management Protocol (IGMP)........................................................................... 335

IGMP Protocol Overview................................................................................................................................................. 335

IGMP Version 2............................................................................................................................................................335

IGMP Version 3............................................................................................................................................................336

Configure IGMP.................................................................................................................................................................339

Viewing IGMP Enabled Interfaces...................................................................................................................................339

Selecting an IGMP Version.............................................................................................................................................. 340

Viewing IGMP Groups...................................................................................................................................................... 340

Viewing IGMP Snooping Groups......................................................................................................................................341

Adjusting Timers.................................................................................................................................................................341

Adjusting Query and Response Timers......................................................................................................................341

Enabling IGMP Immediate-Leave....................................................................................................................................342

IGMP Snooping..................................................................................................................................................................342

Configuring IGMP Snooping...................................................................................................................................... 342

Removing a Group-Port Association.........................................................................................................................343

Disabling Multicast Flooding.......................................................................................................................................343

Specifying a Port as Connected to a Multicast Router..........................................................................................343

Configuring the Switch as Querier............................................................................................................................344

Fast Convergence after MSTP Topology Changes......................................................................................................344

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................... 344

Designating a Multicast Router Interface...................................................................................................................... 350

20 Interfaces...............................................................................................................................351

Interface Types..................................................................................................................................................................352

View Basic Interface Information.................................................................................................................................... 352

Resetting an Interface to its Factory Default State..................................................................................................... 354

Enabling a Physical Interface........................................................................................................................................... 354

Physical Interfaces............................................................................................................................................................ 354

Configuration Task List for Physical Interfaces.......................................................................................................355

40G to 1G Breakout Cable Adaptor.......................................................................................................................... 355

Overview of Layer Modes..........................................................................................................................................355

Contents

11

Configuring Layer 2 (Data Link) Mode.....................................................................................................................356

Configuring Layer 2 (Interface) Mode......................................................................................................................356

Configuring Layer 3 (Network) Mode...................................................................................................................... 356

Configuring Layer 3 (Interface) Mode......................................................................................................................357

Automatic recovery of an Err-disabled interface.......................................................................................................... 357

Configuring an automatic recovery for an Err-disabled interface.........................................................................358

Egress Interface Selection (EIS).....................................................................................................................................359

Configuring EIS............................................................................................................................................................359

Management Interfaces................................................................................................................................................... 359

Configuring Management Interfaces........................................................................................................................359

Configuring a Management Interface on an Ethernet Port....................................................................................361

VLAN Interfaces.................................................................................................................................................................361

Loopback Interfaces......................................................................................................................................................... 362

Null Interfaces....................................................................................................................................................................362

Configuring Port Delay..................................................................................................................................................... 363

Port Channel Interfaces................................................................................................................................................... 363

Port Channel Definition and Standards.................................................................................................................... 363

Port Channel Benefits.................................................................................................................................................363

Port Channel Implementation.................................................................................................................................... 363

Interfaces in Port Channels........................................................................................................................................364

Configuration Tasks for Port Channel Interfaces....................................................................................................364

Creating a Port Channel............................................................................................................................................. 364

Adding a Physical Interface to a Port Channel........................................................................................................365

Reassigning an Interface to a New Port Channel................................................................................................... 366

Configuring the Minimum Oper Up Links in a Port Channel.................................................................................. 367

Adding or Removing a Port Channel from a VLAN.................................................................................................367

Assigning an IP Address to a Port Channel..............................................................................................................368

Deleting or Disabling a Port Channel.........................................................................................................................368

Load Balancing Through Port Channels................................................................................................................... 368

Changing the Hash Algorithm....................................................................................................................................369

Bulk Configuration.............................................................................................................................................................369

Interface Range........................................................................................................................................................... 369

Bulk Configuration Examples..................................................................................................................................... 370

Defining Interface Range Macros.................................................................................................................................... 371

Define the Interface Range.........................................................................................................................................371

Choosing an Interface-Range Macro.........................................................................................................................371

Monitoring and Maintaining Interfaces...........................................................................................................................372

Maintenance Using TDR.............................................................................................................................................373

Non Dell-Qualified Transceivers...................................................................................................................................... 373

Splitting 40G Ports without Reload................................................................................................................................ 373

Splitting QSFP Ports to SFP+ Ports...............................................................................................................................375

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................... 376

Configuring wavelength for 10–Gigabit SFP+ optics...................................................................................................380

Link Dampening..................................................................................................................................................................381

Enabling Link Dampening............................................................................................................................................383

Link Bundle Monitoring.....................................................................................................................................................384

Using Ethernet Pause Frames for Flow Control........................................................................................................... 384

Enabling Pause Frames...............................................................................................................................................385

Configure the MTU Size on an Interface.......................................................................................................................385

Port-Pipes.......................................................................................................................................................................... 386

12

Contents

Auto-Negotiation on Ethernet Interfaces...................................................................................................................... 386

Setting the Speed of Ethernet Interfaces................................................................................................................386

Set Auto-Negotiation Options................................................................................................................................... 387

View Advanced Interface Information............................................................................................................................388

Configuring the Interface Sampling Size..................................................................................................................389

Configuring the Traffic Sampling Size Globally............................................................................................................. 390

Dynamic Counters..............................................................................................................................................................391

Clearing Interface Counters........................................................................................................................................391

Compressing Configuration Files.....................................................................................................................................392

21 IPv4 Routing...........................................................................................................................395

IP Addresses...................................................................................................................................................................... 396

Configuration Tasks for IP Addresses............................................................................................................................ 396

Assigning IP Addresses to an Interface..........................................................................................................................396

Configuring Static Routes................................................................................................................................................ 397

Adding description for IPv4 and IPv6 static routes................................................................................................ 398

Configure Static Routes for the Management Interface.............................................................................................398

Using the Configured Source IP Address in ICMP Messages.....................................................................................399

Configuring the Duration to Establish a TCP Connection........................................................................................... 399

Enabling Directed Broadcast........................................................................................................................................... 400

Resolution of Host Names............................................................................................................................................... 400

Enabling Dynamic Resolution of Host Names............................................................................................................... 400

Specifying the Local System Domain and a List of Domains....................................................................................... 401

Configuring DNS with Traceroute................................................................................................................................... 401

ARP..................................................................................................................................................................................... 402

Configuration Tasks for ARP........................................................................................................................................... 402

Configuring Static ARP Entries....................................................................................................................................... 402

Enabling Proxy ARP.......................................................................................................................................................... 402

Clearing ARP Cache..........................................................................................................................................................403

ARP Learning via Gratuitous ARP...................................................................................................................................403

Enabling ARP Learning via Gratuitous ARP................................................................................................................... 403

ARP Learning via ARP Request.......................................................................................................................................403

Configuring ARP Retries.................................................................................................................................................. 404

ICMP...................................................................................................................................................................................405

Configuration Tasks for ICMP.........................................................................................................................................405

Enabling ICMP Unreachable Messages..........................................................................................................................405

ICMP Redirects................................................................................................................................................................. 405

UDP Helper........................................................................................................................................................................ 406

Enabling UDP Helper.........................................................................................................................................................407

Configuring a Broadcast Address....................................................................................................................................407

Configurations Using UDP Helper...................................................................................................................................408

UDP Helper with Broadcast-All Addresses....................................................................................................................408

UDP Helper with Subnet Broadcast Addresses............................................................................................................408

UDP Helper with Configured Broadcast Addresses..................................................................................................... 409

UDP Helper with No Configured Broadcast Addresses...............................................................................................409

Troubleshooting UDP Helper............................................................................................................................................410

22 IPv6 Routing........................................................................................................................... 411

Protocol Overview..............................................................................................................................................................411

Contents

13

Extended Address Space.............................................................................................................................................411

Stateless Autoconfiguration........................................................................................................................................ 411

IPv6 Headers................................................................................................................................................................ 412

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support....................................................................... 412

IPv6 Header Fields....................................................................................................................................................... 413

Extension Header Fields.............................................................................................................................................. 414

Addressing.....................................................................................................................................................................415

Implementing IPv6 with Dell EMC Networking OS....................................................................................................... 416

ICMPv6............................................................................................................................................................................... 418

Path MTU discovery..........................................................................................................................................................418

IPv6 Neighbor Discovery.................................................................................................................................................. 419

IPv6 Neighbor Discovery of MTU Packets...............................................................................................................419

Configuring the IPv6 Recursive DNS Server............................................................................................................419

Debugging IPv6 RDNSS Information Sent to the Host .........................................................................................420

Displaying IPv6 RDNSS Information......................................................................................................................... 420

Secure Shell (SSH) Over an IPv6 Transport..................................................................................................................421

Configuration Tasks for IPv6............................................................................................................................................421

Adjusting Your CAM-Profile........................................................................................................................................421

Assigning an IPv6 Address to an Interface.............................................................................................................. 422

Assigning a Static IPv6 Route....................................................................................................................................422

Configuring Telnet with IPv6..................................................................................................................................... 423

SNMP over IPv6..........................................................................................................................................................423

Displaying IPv6 Information........................................................................................................................................423

Displaying an IPv6 Interface Information..................................................................................................................424

Showing IPv6 Routes..................................................................................................................................................424

Showing the Running-Configuration for an Interface............................................................................................ 425

Clearing IPv6 Routes.................................................................................................................................................. 426

Disabling ND Entry Timeout.......................................................................................................................................426

Configuring IPv6 RA Guard..............................................................................................................................................426

Configuring IPv6 RA Guard on an Interface............................................................................................................ 428

Monitoring IPv6 RA Guard......................................................................................................................................... 428

23 iSCSI Optimization................................................................................................................. 429

iSCSI Optimization Overview...........................................................................................................................................429

Monitoring iSCSI Traffic Flows..................................................................................................................................430

Application of Quality of Service to iSCSI Traffic Flows........................................................................................ 430

Information Monitored in iSCSI Traffic Flows.......................................................................................................... 431

Detection and Auto-Configuration for Dell EqualLogic Arrays...............................................................................431

Configuring Detection and Ports for Dell Compellent Arrays................................................................................ 432

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................. 432

Enable and Disable iSCSI Optimization.....................................................................................................................433

Default iSCSI Optimization Values.................................................................................................................................. 433

iSCSI Optimization Prerequisites.....................................................................................................................................433

Configuring iSCSI Optimization....................................................................................................................................... 434

Displaying iSCSI Optimization Information.....................................................................................................................435

24 Intermediate System to Intermediate System............................................................................437

IS-IS Protocol Overview................................................................................................................................................... 437

IS-IS Addressing................................................................................................................................................................ 437

14

Contents

Multi-Topology IS-IS......................................................................................................................................................... 438

Transition Mode...........................................................................................................................................................438

Interface Support........................................................................................................................................................ 438

Adjacencies...................................................................................................................................................................438

Graceful Restart................................................................................................................................................................439

Timers........................................................................................................................................................................... 439

Implementation Information.............................................................................................................................................439

Configuration Information................................................................................................................................................ 440

Configuration Tasks for IS-IS.....................................................................................................................................440

Configuring the Distance of a Route.........................................................................................................................447

Changing the IS-Type................................................................................................................................................. 447

Redistributing IPv4 Routes.........................................................................................................................................449

Redistributing IPv6 Routes........................................................................................................................................ 449

Configuring Authentication Passwords....................................................................................................................450

Setting the Overload Bit.............................................................................................................................................450

Debugging IS-IS............................................................................................................................................................451

IS-IS Metric Styles............................................................................................................................................................ 452

Configure Metric Values...................................................................................................................................................452

Maximum Values in the Routing Table..................................................................................................................... 452

Change the IS-IS Metric Style in One Level Only................................................................................................... 452

Leaks from One Level to Another............................................................................................................................. 454

Sample Configurations......................................................................................................................................................454

25 In-Service Software Upgrade...................................................................................................457

ISSU Introduction.............................................................................................................................................................. 457

Fastboot 2.0 (Zero Loss Upgrade)................................................................................................................................. 457

L2 ISSU...............................................................................................................................................................................457

L3 ISSU...............................................................................................................................................................................458

CoPP...................................................................................................................................................................................458

Mirroring flow control packets........................................................................................................................................ 459

PFC..................................................................................................................................................................................... 459

QoS..................................................................................................................................................................................... 459

Tunnel Configuration........................................................................................................................................................ 459

26 Link Aggregation Control Protocol (LACP)................................................................................460

Introduction to Dynamic LAGs and LACP......................................................................................................................460

Important Points to Remember.................................................................................................................................460

LACP Modes................................................................................................................................................................460

Configuring LACP Commands....................................................................................................................................461

LACP Configuration Tasks................................................................................................................................................461

Creating a LAG............................................................................................................................................................. 461

Configuring the LAG Interfaces as Dynamic............................................................................................................462

Setting the LACP Long Timeout............................................................................................................................... 462

Monitoring and Debugging LACP..............................................................................................................................463

Shared LAG State Tracking............................................................................................................................................. 463

Configuring Shared LAG State Tracking..................................................................................................................464

Important Points about Shared LAG State Tracking..............................................................................................465

LACP Basic Configuration Example................................................................................................................................465

Configure a LAG on ALPHA.......................................................................................................................................465

Contents

15

27 Layer 2................................................................................................................................... 473

Manage the MAC Address Table.................................................................................................................................... 473

Clearing the MAC Address Table...............................................................................................................................473

Setting the Aging Time for Dynamic Entries............................................................................................................473

Configuring a Static MAC Address........................................................................................................................... 473

Displaying the MAC Address Table........................................................................................................................... 474

MAC Learning Limit...........................................................................................................................................................474

Setting the MAC Learning Limit................................................................................................................................ 474

mac learning-limit Dynamic.........................................................................................................................................475

mac learning-limit mac-address-sticky..................................................................................................................... 475

mac learning-limit station-move................................................................................................................................ 475

mac learning-limit no-station-move.......................................................................................................................... 475

Learning Limit Violation Actions.................................................................................................................................476

Setting Station Move Violation Actions....................................................................................................................476

Recovering from Learning Limit and Station Move Violations...............................................................................476

Disabling MAC Address Learning on the System.................................................................................................... 477

Enabling port security..................................................................................................................................................477

NIC Teaming.......................................................................................................................................................................477

Configure Redundant Pairs.............................................................................................................................................. 478

Far-End Failure Detection.................................................................................................................................................481

FEFD State Changes................................................................................................................................................... 481

Configuring FEFD........................................................................................................................................................ 482

Enabling FEFD on an Interface.................................................................................................................................. 483

Debugging FEFD..........................................................................................................................................................483

28 Link Layer Discovery Protocol (LLDP)...................................................................................... 485

802.1AB (LLDP) Overview...............................................................................................................................................485

Protocol Data Units.....................................................................................................................................................485

Optional TLVs.................................................................................................................................................................... 486

Management TLVs......................................................................................................................................................486

TIA-1057 (LLDP-MED) Overview................................................................................................................................... 487

TIA Organizationally Specific TLVs........................................................................................................................... 488

Configure LLDP..................................................................................................................................................................491

CONFIGURATION versus INTERFACE Configurations................................................................................................491

Enabling LLDP....................................................................................................................................................................492

Disabling and Undoing LLDP......................................................................................................................................492

Enabling LLDP on Management Ports........................................................................................................................... 492

Disabling and Undoing LLDP on Management Ports..............................................................................................493

Advertising TLVs............................................................................................................................................................... 493

Storing and Viewing Unrecognized LLDP TLVs............................................................................................................494

Viewing the LLDP Configuration.....................................................................................................................................495

Viewing Information Advertised by Adjacent LLDP Neighbors...................................................................................495

Examples of Viewing Information Advertised by Neighbors..................................................................................495

Configuring LLDPDU Intervals.........................................................................................................................................498

Configuring LLDP Notification Interval...........................................................................................................................498

Configuring Transmit and Receive Mode.......................................................................................................................499

Configuring the Time to Live Value.................................................................................................................................499

Debugging LLDP............................................................................................................................................................... 500

16

Contents

Relevant Management Objects....................................................................................................................................... 501

29 Microsoft Network Load Balancing...........................................................................................506

Configuring a Switch for NLB ........................................................................................................................................ 507

Enabling a Switch for Multicast NLB........................................................................................................................507

30 Multicast Source Discovery Protocol (MSDP)........................................................................... 509

Anycast RP......................................................................................................................................................................... 510

Implementation Information.............................................................................................................................................. 511

Configure Multicast Source Discovery Protocol............................................................................................................ 511

Related Configuration Tasks....................................................................................................................................... 511

Enable MSDP..................................................................................................................................................................... 515

Manage the Source-Active Cache.................................................................................................................................. 516

Viewing the Source-Active Cache.............................................................................................................................516

Limiting the Source-Active Cache.............................................................................................................................516

Clearing the Source-Active Cache............................................................................................................................ 516

Enabling the Rejected Source-Active Cache............................................................................................................517

Accept Source-Active Messages that Fail the RFP Check..........................................................................................517

Specifying Source-Active Messages...............................................................................................................................519

Limiting the Source-Active Messages from a Peer......................................................................................................520

Preventing MSDP from Caching a Local Source..........................................................................................................520

Preventing MSDP from Caching a Remote Source..................................................................................................... 520

Preventing MSDP from Advertising a Local Source..................................................................................................... 521

Logging Changes in Peership States..............................................................................................................................522

Terminating a Peership.....................................................................................................................................................522

Clearing Peer Statistics.................................................................................................................................................... 522

Debugging MSDP..............................................................................................................................................................523

MSDP with Anycast RP................................................................................................................................................... 523

Configuring Anycast RP................................................................................................................................................... 524

Reducing Source-Active Message Flooding............................................................................................................525

Specifying the RP Address Used in SA Messages..................................................................................................525

MSDP Sample Configurations......................................................................................................................................... 527

31 Multiple Spanning Tree Protocol (MSTP).................................................................................. 530

Spanning Tree Variations.................................................................................................................................................. 531

Implementation Information........................................................................................................................................531

Configure Multiple Spanning Tree Protocol................................................................................................................... 531

Related Configuration Tasks.......................................................................................................................................531

Enable Multiple Spanning Tree Globally..........................................................................................................................532

Adding and Removing Interfaces.................................................................................................................................... 532

Creating Multiple Spanning Tree Instances................................................................................................................... 532

Influencing MSTP Root Selection................................................................................................................................... 533

Interoperate with Non-Dell Bridges................................................................................................................................ 534

Changing the Region Name or Revision.........................................................................................................................534

Modifying Global Parameters.......................................................................................................................................... 534

Modifying the Interface Parameters...............................................................................................................................535

Setting STP path cost as constant.................................................................................................................................536

Configuring an EdgePort..................................................................................................................................................536

Flush MAC Addresses after a Topology Change.......................................................................................................... 537

Contents

17

MSTP Sample Configurations..........................................................................................................................................537

Debugging and Verifying MSTP Configurations............................................................................................................ 541

32 Multicast Features..................................................................................................................543

Enabling IP Multicast........................................................................................................................................................ 543

Implementation Information.............................................................................................................................................543

Multicast Policies...............................................................................................................................................................544

IPv4 Multicast Policies................................................................................................................................................544

Understanding Multicast Traceroute (mtrace)..............................................................................................................551

Printing Multicast Traceroute (mtrace) Paths.............................................................................................................. 551

Supported Error Codes.................................................................................................................................................... 553

mtrace Scenarios.............................................................................................................................................................. 553

33 Object Tracking......................................................................................................................559

Object Tracking Overview............................................................................................................................................... 559

Track Layer 2 Interfaces............................................................................................................................................ 560

Track Layer 3 Interfaces............................................................................................................................................ 560

Track IPv4 and IPv6 Routes...................................................................................................................................... 560

Set Tracking Delays..................................................................................................................................................... 561

VRRP Object Tracking................................................................................................................................................562

Object Tracking Configuration........................................................................................................................................ 562

Tracking a Layer 2 Interface...................................................................................................................................... 562

Tracking a Layer 3 Interface...................................................................................................................................... 563

Track an IPv4/IPv6 Route......................................................................................................................................... 564

Displaying Tracked Objects..............................................................................................................................................567

34 Open Shortest Path First (OSPFv2 and OSPFv3)...................................................................... 569

Protocol Overview............................................................................................................................................................ 569

Autonomous System (AS) Areas.............................................................................................................................. 569

Area Types................................................................................................................................................................... 570

Networks and Neighbors.............................................................................................................................................571

Router Types................................................................................................................................................................ 571

Designated and Backup Designated Routers...........................................................................................................572

Link-State Advertisements (LSAs)........................................................................................................................... 572

Router Priority and Cost.............................................................................................................................................573

OSPF with Dell EMC Networking OS.............................................................................................................................574

Graceful Restart.......................................................................................................................................................... 574

Fast Convergence (OSPFv2, IPv4 Only)................................................................................................................. 575

Multi-Process OSPFv2 with VRF..............................................................................................................................575

RFC-2328 Compliant OSPF Flooding.......................................................................................................................576

OSPF ACK Packing..................................................................................................................................................... 577

Setting OSPF Adjacency with Cisco Routers.......................................................................................................... 577

Configuration Information................................................................................................................................................ 577

Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................... 578

OSPFv3 NSSA...................................................................................................................................................................589

Configuration Task List for OSPFv3 (OSPF for IPv6).................................................................................................590

Enabling IPv6 Unicast Routing.................................................................................................................................. 590

Applying cost for OSPFv3..........................................................................................................................................590

Assigning IPv6 Addresses on an Interface................................................................................................................591

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Contents

Assigning Area ID on an Interface..............................................................................................................................591

Assigning OSPFv3 Process ID and Router ID Globally............................................................................................591

Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................... 592

Configuring Stub Areas.............................................................................................................................................. 592

Configuring Passive-Interface................................................................................................................................... 592

Redistributing Routes................................................................................................................................................. 593

Configuring a Default Route...................................................................................................................................... 593

Enabling OSPFv3 Graceful Restart...........................................................................................................................593

OSPFv3 Authentication Using IPsec........................................................................................................................ 595

Troubleshooting OSPFv3...........................................................................................................................................600

MIB Support for OSPFv3................................................................................................................................................. 601

Viewing the OSPFv3 MIB.......................................................................................................................................... 602

35 Policy-based Routing (PBR).................................................................................................... 603

Overview............................................................................................................................................................................ 603

Implementing PBR............................................................................................................................................................ 604

Configuration Task List for Policy-based Routing........................................................................................................ 604

Create a Redirect List.................................................................................................................................................605

Create a Rule for a Redirect-list................................................................................................................................605

Apply a Redirect-list to an Interface using a Redirect-group................................................................................ 606

Sample Configuration....................................................................................................................................................... 609

36 PIM Sparse-Mode (PIM-SM)....................................................................................................613

Implementation Information..............................................................................................................................................613

Protocol Overview............................................................................................................................................................. 613

Requesting Multicast Traffic...................................................................................................................................... 613

Refuse Multicast Traffic..............................................................................................................................................613

Send Multicast Traffic.................................................................................................................................................614

Configuring PIM-SM..........................................................................................................................................................614

Related Configuration Tasks.......................................................................................................................................614

Enable PIM-SM.................................................................................................................................................................. 614

Configuring S,G Expiry Timers......................................................................................................................................... 616

Configuring a Static Rendezvous Point.......................................................................................................................... 616

Overriding Bootstrap Router Updates...................................................................................................................... 616

Configuring a Designated Router.....................................................................................................................................617

Creating Multicast Boundaries and Domains..................................................................................................................618

37 PIM Source-Specific Mode (PIM-SSM).....................................................................................619

Implementation Information..............................................................................................................................................619

Configure PIM-SSM.......................................................................................................................................................... 619

Enabling PIM-SSM............................................................................................................................................................620

Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................... 620

Electing an RP using the BSR Mechanism.................................................................................................................... 622

Enabling RP to Server Specific Multicast Groups...................................................................................................623

38 Port Monitoring......................................................................................................................624

Important Points to Remember.......................................................................................................................................624

Port Monitoring................................................................................................................................................................. 624

Configuring Port Monitoring............................................................................................................................................ 627

Contents

19

Configuring Monitor Multicast Queue............................................................................................................................ 628

Flow-Based Monitoring.................................................................................................................................................... 628

Enabling Flow-Based Monitoring...............................................................................................................................630

Configuring IPv6 Flow-Based Mirroring....................................................................................................................631

Remote Port Mirroring..................................................................................................................................................... 633

Remote Port Mirroring Example................................................................................................................................633

Configuring Remote Port Mirroring.......................................................................................................................... 634

Displaying Remote-Port Mirroring Configurations..................................................................................................635

Configuration procedure for Remote Port Mirroring..............................................................................................636

Encapsulated Remote Port Monitoring..........................................................................................................................640

ERPM Behavior on a typical Dell EMC Networking OS .............................................................................................. 642

Port Monitoring on VLT....................................................................................................................................................643

39 Per-VLAN Spanning Tree Plus (PVST+)....................................................................................646

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

Implementation Information............................................................................................................................................. 647

Configure Per-VLAN Spanning Tree Plus...................................................................................................................... 647

Enabling PVST+.................................................................................................................................................................647

Disabling PVST+................................................................................................................................................................ 647

Influencing PVST+ Root Selection..................................................................................................................................648

Modifying Global PVST+ Parameters.............................................................................................................................649

Modifying Interface PVST+ Parameters........................................................................................................................650

Configuring an EdgePort..................................................................................................................................................650

PVST+ in Multi-Vendor Networks...................................................................................................................................651

Enabling PVST+ Extend System ID.................................................................................................................................651

PVST+ Sample Configurations........................................................................................................................................652

40 Quality of Service (QoS)......................................................................................................... 654

Implementation Information.............................................................................................................................................656

Port-Based QoS Configurations..................................................................................................................................... 656

Setting dot1p Priorities for Incoming Traffic............................................................................................................656

Honoring dot1p Priorities on Ingress Traffic.............................................................................................................657

Configuring Port-Based Rate Policing......................................................................................................................657

Configuring Port-Based Rate Shaping..................................................................................................................... 658

Policy-Based QoS Configurations...................................................................................................................................658

Classify Traffic.............................................................................................................................................................659

Dot1p to Queue Mapping Requirement.....................................................................................................................661

Create a QoS Policy....................................................................................................................................................662

DSCP Color Maps....................................................................................................................................................... 664

Create Policy Maps.....................................................................................................................................................666

Enabling QoS Rate Adjustment.......................................................................................................................................669

Enabling Strict-Priority Queueing....................................................................................................................................669

Queue Classification Requirements for PFC Functionality..........................................................................................669

Support for marking dot1p value in L3 Input Qos Policy.............................................................................................. 670

Weighted Random Early Detection.................................................................................................................................670

Enabling and Disabling WRED Globally...................................................................................................................... 671

Creating WRED Profiles.............................................................................................................................................. 671

Applying a WRED Profile to Traffic...........................................................................................................................672

Displaying Default and Configured WRED Profiles..................................................................................................672

20

Contents

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Dell PowerSwitch S6000 Administrator Guide

Dell PowerSwitch S6000 Administrator Guide

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