Dell PowerSwitch S4048-ON User guide

Dell Configuration Guide for the S4048–ON

System

9.14.2.6

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 - 03

Rev. A00

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

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

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

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

2 Configuration Fundamentals....................................................................................................... 34

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

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

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

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

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

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

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

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

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

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

3 Getting Started..........................................................................................................................42

Console Access....................................................................................................................................................................42

Serial Console.................................................................................................................................................................42

Accessing the CLI Interface and Running Scripts Using SSH....................................................................................... 43

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

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

Accessing the System Remotely.......................................................................................................................................44

Configure the Management Port IP Address.............................................................................................................44

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

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

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

Configuration File Management........................................................................................................................................ 46

Copy Files to and from the System.............................................................................................................................46

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

Save the Running-Configuration................................................................................................................................. 48

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

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

Compressing Configuration Files.................................................................................................................................50

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

Enabling Software Features on Devices Using a Command Option.............................................................................52

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

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

Verify Software Images Before Installation......................................................................................................................54

Using HTTP for File Transfers...........................................................................................................................................55

4 Management..............................................................................................................................57

Configuring Privilege Levels............................................................................................................................................... 57

Contents

Contents 3

Removing a Command from EXEC Mode..................................................................................................................58

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................... 58

Allowing Access to CONFIGURATION Mode Commands....................................................................................... 58

Allowing Access to Different Modes...........................................................................................................................58

Applying a Privilege Level to a Username...................................................................................................................60

Applying a Privilege Level to a Terminal Line............................................................................................................. 60

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

Audit and Security Logs................................................................................................................................................60

Configuring Logging Format ................................................................................................................................ 62

Display the Logging Buffer and the Logging Configuration.....................................................................................62

Setting Up a Secure Connection to a Syslog Server.......................................................................................63

Sending System Messages to a Syslog Server..........................................................................................................64

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

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

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

Display Login Statistics................................................................................................................................................. 65

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

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

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

Enabling the System to Clear Existing Sessions........................................................................................................67

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

Log Messages in the Internal Buffer.................................................................................................................................68

Disabling System Logging...................................................................................................................................................68

Sending System Messages to a Syslog Server............................................................................................................... 68

Configuring a UNIX System as a Syslog Server........................................................................................................ 68

Changing System Logging Settings..................................................................................................................................69

Display the Logging Buffer and the Logging Configuration...........................................................................................69

Configuring a UNIX Logging Facility Level....................................................................................................................... 70

Synchronizing Log Messages............................................................................................................................................. 71

Enabling Timestamp on Syslog Messages.........................................................................................................................71

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

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

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

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

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

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

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

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

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

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

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

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

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

Viewing the Reason for Last System Reboot...................................................................................................................81

5 802.1X.......................................................................................................................................82

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

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

Configuring 802.1X..............................................................................................................................................................84

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

4

Contents

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

Configuring dot1x Profile ................................................................................................................................................... 86

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

Configuring the Static MAB and MAB Profile ................................................................................................................ 87

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

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

Configuring a Quiet Period after a Failed Authentication.........................................................................................89

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

Re-Authenticating a Port................................................................................................................................................... 90

Configuring Timeouts.......................................................................................................................................................... 91

Configuring Dynamic VLAN Assignment with Port Authentication..............................................................................92

Guest and Authentication-Fail VLANs..............................................................................................................................93

Configuring a Guest VLAN........................................................................................................................................... 94

Configuring an Authentication-Fail VLAN.................................................................................................................. 94

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)..........................96

Optimizing CAM Utilization During the Attachment of ACLs to VLANs......................................................................96

Guidelines for Configuring ACL VLAN Groups................................................................................................................ 96

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters................................................... 97

Configuring ACL VLAN Groups....................................................................................................................................97

Configuring FP Blocks for VLAN Parameters............................................................................................................98

Viewing CAM Usage........................................................................................................................................................... 98

Allocating FP Blocks for VLAN Processes......................................................................................................................100

Unified Forwarding Table (UFT) Modes.........................................................................................................................100

Configuring UFT Modes..............................................................................................................................................100

7 Access Control Lists (ACLs)....................................................................................................... 101

IP Access Control Lists (ACLs)........................................................................................................................................102

CAM Usage...................................................................................................................................................................102

Implementing ACLs on Dell EMC Networking OS................................................................................................... 103

Important Points to Remember....................................................................................................................................... 104

Configuration Task List for Route Maps...................................................................................................................104

Configuring Match Routes..........................................................................................................................................106

Configuring Set Conditions......................................................................................................................................... 107

Configure a Route Map for Route Redistribution....................................................................................................108

Configure a Route Map for Route Tagging.............................................................................................................. 109

Continue Clause........................................................................................................................................................... 109

IP Fragment Handling........................................................................................................................................................109

IP Fragments ACL Examples...................................................................................................................................... 109

Layer 4 ACL Rules Examples.......................................................................................................................................110

Configure a Standard IP ACL.............................................................................................................................................111

Configuring a Standard IP ACL Filter.......................................................................................................................... 111

Configure an Extended IP ACL......................................................................................................................................... 112

Configuring Filters with a Sequence Number........................................................................................................... 112

Configuring Filters Without a Sequence Number.....................................................................................................113

Configure Layer 2 and Layer 3 ACLs............................................................................................................................... 114

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

Applying an IP ACL............................................................................................................................................................. 115

Counting ACL Hits........................................................................................................................................................ 115

Contents

5

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

Configure Egress ACLs......................................................................................................................................................116

Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................................ 117

IP Prefix Lists.......................................................................................................................................................................117

Configuration Task List for Prefix Lists......................................................................................................................118

ACL Remarks.......................................................................................................................................................................121

Configuring a Remark...................................................................................................................................................121

Deleting a Remark.........................................................................................................................................................121

ACL Resequencing.............................................................................................................................................................122

Resequencing an ACL or Prefix List.......................................................................................................................... 122

Route Maps........................................................................................................................................................................ 123

Logging of ACL Processes................................................................................................................................................124

Guidelines for Configuring ACL Logging................................................................................................................... 124

Configuring ACL Logging............................................................................................................................................ 125

Flow-Based Monitoring.....................................................................................................................................................125

Enabling Flow-Based Monitoring................................................................................................................................127

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

Configuring IP Mirror Access Group................................................................................................................................130

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

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

8 Bidirectional Forwarding Detection (BFD)................................................................................... 132

How BFD Works.................................................................................................................................................................132

BFD Packet Format..................................................................................................................................................... 133

BFD Sessions................................................................................................................................................................ 134

BFD Three-Way Handshake....................................................................................................................................... 135

Session State Changes................................................................................................................................................136

Important Points to Remember....................................................................................................................................... 136

Configure BFD....................................................................................................................................................................136

Configure BFD for Physical Ports.............................................................................................................................. 137

Configure BFD for Static Routes............................................................................................................................... 138

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

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

Configure BFD for OSPFv3........................................................................................................................................ 148

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

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

Configure BFD for VRRP............................................................................................................................................ 159

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

9 Border Gateway Protocol (BGP).................................................................................................162

BGP IP version 4 (BGPv4) Overview..............................................................................................................................162

BGP Autonomous Systems.........................................................................................................................................162

AS4 Number Representation......................................................................................................................................164

Four-Byte AS Numbers...............................................................................................................................................166

BGP router ID............................................................................................................................................................... 166

Sessions and Peers...................................................................................................................................................... 166

Establish a Session.......................................................................................................................................................166

BGP Attributes for selecting Best Path.................................................................................................................... 167

Multiprotocol BGP........................................................................................................................................................172

6

Contents

BGP global and address family configuration........................................................................................................... 173

Implement BGP with Dell EMC Networking OS.......................................................................................................174

Configuration Information............................................................................................................................................177

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Configuring Passive Peering...................................................................................................................................... 200

Enabling Graceful Restart........................................................................................................................................... 201

Redistributing Routes................................................................................................................................................. 202

Redistributing iBGP Routes into IGP........................................................................................................................ 202

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

Configuring IP Community Lists................................................................................................................................205

Configuring an IP Extended Community List...........................................................................................................206

Configure BGP attributes...........................................................................................................................................207

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

Route Reflectors...........................................................................................................................................................211

Enabling Route Flap Dampening.................................................................................................................................212

Changing BGP keepalive and hold timers................................................................................................................. 214

Setting the extended timer.........................................................................................................................................215

Enabling or disabling BGP neighbors......................................................................................................................... 215

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

Configuring BGP Confederations...............................................................................................................................217

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

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

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

Enabling MBGP Configurations.................................................................................................................................220

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

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

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

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

BGP Regular Expression Optimization......................................................................................................................225

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

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

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

Test CAM Usage............................................................................................................................................................... 228

View CAM-ACL Settings..................................................................................................................................................229

View CAM Usage.............................................................................................................................................................. 230

Contents

7

Configuring CAM Threshold and Silence Period............................................................................................................231

CAM Optimization.............................................................................................................................................................232

Troubleshoot CAM Profiling.............................................................................................................................................232

QoS CAM Region Limitation...................................................................................................................................... 232

11 Control Plane Policing (CoPP).................................................................................................. 233

Configure Control Plane Policing.....................................................................................................................................234

Configuring CoPP for Protocols................................................................................................................................235

Configuring CoPP for CPU Queues..........................................................................................................................236

CoPP for OSPFv3 Packets........................................................................................................................................ 237

Configuring CoPP for OSPFv3..................................................................................................................................239

Displaying CoPP Configuration .................................................................................................................................240

12 Data Center Bridging (DCB)..................................................................................................... 242

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

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

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

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

Data Center Bridging in a Traffic Flow..................................................................................................................... 245

Enabling Data Center Bridging........................................................................................................................................ 245

DCB Maps and its Attributes..................................................................................................................................... 246

Data Center Bridging: Default Configuration.................................................................................................................247

Configuring Priority-Based Flow Control........................................................................................................................247

Configuring Lossless Queues.....................................................................................................................................248

Configuring PFC in a DCB Map.......................................................................................................................................249

Applying a DCB Map on a Port........................................................................................................................................250

Configuring PFC without a DCB Map............................................................................................................................ 250

Priority-Based Flow Control Using Dynamic Buffer Method.......................................................................................252

Behavior of Tagged Packets............................................................................................................................................252

Configuration Example for DSCP and PFC Priorities................................................................................................... 253

Using PFC to Manage Converged Ethernet Traffic.....................................................................................................254

Configure Enhanced Transmission Selection................................................................................................................ 254

ETS Prerequisites and Restrictions...........................................................................................................................254

Creating an ETS Priority Group.................................................................................................................................254

ETS Operation with DCBx......................................................................................................................................... 255

Configuring Bandwidth Allocation for DCBx CIN....................................................................................................256

Configuring ETS in a DCB Map................................................................................................................................. 256

Hierarchical Scheduling in ETS Output Policies.............................................................................................................257

Using ETS to Manage Converged Ethernet Traffic..................................................................................................... 258

Applying DCB Policies in a Switch Stack....................................................................................................................... 258

Configure a DCBx Operation........................................................................................................................................... 258

DCBx Operation...........................................................................................................................................................258

DCBx Port Roles..........................................................................................................................................................258

DCB Configuration Exchange....................................................................................................................................260

Configuration Source Election...................................................................................................................................260

Propagation of DCB Information...............................................................................................................................260

Auto-Detection and Manual Configuration of the DCBx Version.......................................................................... 261

DCBx Example..............................................................................................................................................................261

DCBx Prerequisites and Restrictions........................................................................................................................262

8

Contents

Configuring DCBx........................................................................................................................................................262

Verifying the DCB Configuration.....................................................................................................................................265

QoS dot1p Traffic Classification and Queue Assignment.............................................................................................273

Configuring the Dynamic Buffer Method.......................................................................................................................274

Sample DCB Configuration.............................................................................................................................................. 275

13 Dynamic Host Configuration Protocol (DHCP)........................................................................... 278

DHCP Packet Format and Options.................................................................................................................................278

Assign an IP Address using DHCP...................................................................................................................................279

Implementation Information.............................................................................................................................................280

Configure the System to be a DHCP Server..................................................................................................................281

Configuring the Server for Automatic Address Allocation......................................................................................281

Specifying a Default Gateway....................................................................................................................................282

Configure a Method of Hostname Resolution.........................................................................................................282

Using DNS for Address Resolution............................................................................................................................282

Using NetBIOS WINS for Address Resolution.........................................................................................................283

Creating Manual Binding Entries............................................................................................................................... 283

Debugging the DHCP Server.....................................................................................................................................283

Using DHCP Clear Commands.................................................................................................................................. 283

Configure the System to be a Relay Agent................................................................................................................... 284

Configure the System to be a DHCP Client.................................................................................................................. 285

Configuring the DHCP Client System.......................................................................................................................285

DHCP Client on a Management Interface............................................................................................................... 286

DHCP Client Operation with Other Features.......................................................................................................... 287

DHCP Relay When DHCP Server and Client are in Different VRFs...........................................................................288

Configuring Route Leaking between VRFs on DHCP Relay Agent...................................................................... 288

Non-default VRF configuration for DHCPv6 helper address...................................................................................... 289

Configuring DHCP relay source interface......................................................................................................................289

Global DHCP relay source IPv4 or IPv6 configuration .......................................................................................... 289

Interface level DHCP relay source IPv4 or IPv6 configuration .............................................................................290

Configure the System for User Port Stacking (Option 230)....................................................................................... 291

Configure Secure DHCP................................................................................................................................................... 291

Option 82 (DHCPv4 relay options)............................................................................................................................291

DHCPv6 relay agent options......................................................................................................................................292

DHCP Snooping...........................................................................................................................................................292

Drop DHCP Packets on Snooped VLANs Only....................................................................................................... 296

Dynamic ARP Inspection............................................................................................................................................ 297

Configuring Dynamic ARP Inspection....................................................................................................................... 297

Source Address Validation............................................................................................................................................... 298

Enabling IP Source Address Validation..................................................................................................................... 298

DHCP MAC Source Address Validation................................................................................................................... 299

Enabling IP+MAC Source Address Validation..........................................................................................................299

Viewing the Number of SAV Dropped Packets.......................................................................................................300

Clearing the Number of SAV Dropped Packets...................................................................................................... 300

14 Equal Cost Multi-Path (ECMP)................................................................................................. 301

ECMP for Flow-Based Affinity.........................................................................................................................................301

Configuring the Hash Algorithm.................................................................................................................................301

Enabling Deterministic ECMP Next Hop...................................................................................................................301

Contents

9

Configuring the Hash Algorithm Seed.......................................................................................................................301

Link Bundle Monitoring.....................................................................................................................................................302

Managing ECMP Group Paths.................................................................................................................................. 302

Creating an ECMP Group Bundle............................................................................................................................. 303

Modifying the ECMP Group Threshold.................................................................................................................... 303

RTAG7................................................................................................................................................................................ 304

Flow-based Hashing for ECMP.......................................................................................................................................305

15 FIP Snooping.......................................................................................................................... 308

Fibre Channel over Ethernet............................................................................................................................................308

Ensure Robustness in a Converged Ethernet Network............................................................................................... 308

FIP Snooping on Ethernet Bridges..................................................................................................................................309

FIP Snooping in a Switch Stack........................................................................................................................................311

Using FIP Snooping............................................................................................................................................................ 311

FIP Snooping Prerequisites..........................................................................................................................................311

Important Points to Remember.................................................................................................................................. 311

Enabling the FCoE Transit Feature............................................................................................................................312

Enable FIP Snooping on VLANs................................................................................................................................. 312

Configure the FC-MAP Value.....................................................................................................................................313

Configure a Port for a Bridge-to-Bridge Link........................................................................................................... 313

Configure a Port for a Bridge-to-FCF Link...............................................................................................................313

Impact on Other Software Features..........................................................................................................................313

FIP Snooping Restrictions...........................................................................................................................................313

Configuring FIP Snooping........................................................................................................................................... 314

Displaying FIP Snooping Information............................................................................................................................... 314

FCoE Transit Configuration Example.............................................................................................................................. 319

16 Flex Hash and Optimized Boot-Up............................................................................................. 321

Flex Hash Capability Overview.........................................................................................................................................321

Configuring the Flex Hash Mechanism........................................................................................................................... 321

Configuring Fast Boot and LACP Fast Switchover...................................................................................................... 322

Optimizing the Boot Time................................................................................................................................................ 322

Interoperation of Applications with Fast Boot and System States.............................................................................323

RDMA Over Converged Ethernet (RoCE) Overview...................................................................................................325

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces........................................................................................ 326

17 FIPS Cryptography.................................................................................................................. 327

Configuration Tasks.......................................................................................................................................................... 327

Preparing the System....................................................................................................................................................... 327

Enabling FIPS Mode..........................................................................................................................................................327

Generating Host-Keys...................................................................................................................................................... 328

Monitoring FIPS Mode Status......................................................................................................................................... 328

Disabling FIPS Mode......................................................................................................................................................... 328

18 Force10 Resilient Ring Protocol (FRRP).................................................................................... 330

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

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

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

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

10

Contents

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

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

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

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

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

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

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

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

Viewing the FRRP Configuration.............................................................................................................................. 336

Viewing the FRRP Information.................................................................................................................................. 336

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

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

FRRP Support on VLT......................................................................................................................................................338

19 GARP VLAN Registration Protocol (GVRP)................................................................................ 341

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

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

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

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

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

RPM Redundancy............................................................................................................................................................. 344

20 High Availability (HA)..............................................................................................................345

Component Redundancy..................................................................................................................................................345

Automatic and Manual Stack Unit Failover..............................................................................................................345

Synchronization between Management and Standby Units................................................................................. 346

Forcing a Stack Unit Failover.....................................................................................................................................346

Disabling Auto-Reboot................................................................................................................................................346

Pre-Configuring a Stack Unit Slot...................................................................................................................................347

Removing a Provisioned Logical Stack Unit...................................................................................................................347

Hitless Behavior................................................................................................................................................................. 347

Graceful Restart................................................................................................................................................................ 347

Software Resiliency...........................................................................................................................................................348

Software Component Health Monitoring.................................................................................................................348

System Health Monitoring..........................................................................................................................................348

Failure and Event Logging..........................................................................................................................................348

Hot-Lock Behavior............................................................................................................................................................349

21 Internet Group Management Protocol (IGMP)........................................................................... 350

IGMP Protocol Overview.................................................................................................................................................350

IGMP Version 2........................................................................................................................................................... 350

IGMP Version 3............................................................................................................................................................ 351

Configure IGMP.................................................................................................................................................................354

Viewing IGMP Enabled Interfaces...................................................................................................................................354

Selecting an IGMP Version.............................................................................................................................................. 355

Viewing IGMP Groups...................................................................................................................................................... 356

Adjusting Timers................................................................................................................................................................356

Adjusting Query and Response Timers.....................................................................................................................356

Preventing a Host from Joining a Group........................................................................................................................357

Contents

11

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

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

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

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

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

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

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

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

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

Designating a Multicast Router Interface...................................................................................................................... 368

22 Interfaces.............................................................................................................................. 369

Interface Types..................................................................................................................................................................370

View Basic Interface Information.................................................................................................................................... 370

Resetting an Interface to its Factory Default State......................................................................................................372

Enabling a Physical Interface........................................................................................................................................... 372

Physical Interfaces............................................................................................................................................................ 372

Configuration Task List for Physical Interfaces....................................................................................................... 373

Overview of Layer Modes.......................................................................................................................................... 373

Configuring Layer 2 (Data Link) Mode..................................................................................................................... 373

Configuring Layer 2 (Interface) Mode......................................................................................................................374

Configuring Layer 3 (Network) Mode...................................................................................................................... 374

Configuring Layer 3 (Interface) Mode......................................................................................................................374

Monitoring internal physical temperature of 10GBase-T optical ports.......................................................................375

Enabling temperature polling on ports...................................................................................................................... 376

Setting the reset port to normal mode..................................................................................................................... 377

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

Configuring an automatic recovery for an Err-disabled interface.........................................................................378

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Assigning an IP Address to a Port Channel..............................................................................................................387

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

12

Contents

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

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

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

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

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

Defining Interface Range Macros................................................................................................................................... 390

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

Choosing an Interface-Range Macro........................................................................................................................ 391

Monitoring and Maintaining Interfaces............................................................................................................................391

Maintenance Using TDR.............................................................................................................................................392

Non Dell-Qualified Transceivers...................................................................................................................................... 392

Splitting 40G Ports without Reload................................................................................................................................ 393

Splitting QSFP Ports to SFP+ Ports.............................................................................................................................. 394

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.....................................................................................395

Configuring wavelength for 10–Gigabit SFP+ optics................................................................................................... 397

Link Dampening................................................................................................................................................................. 397

Enabling Link Dampening........................................................................................................................................... 400

Link Bundle Monitoring......................................................................................................................................................401

Using Ethernet Pause Frames for Flow Control............................................................................................................ 401

Enabling Pause Frames...............................................................................................................................................402

Configure the MTU Size on an Interface.......................................................................................................................402

Port-Pipes.......................................................................................................................................................................... 403

Auto-Negotiation on Ethernet Interfaces...................................................................................................................... 403

Setting the Speed of Ethernet Interfaces................................................................................................................404

Set Auto-Negotiation Options...................................................................................................................................405

View Advanced Interface Information............................................................................................................................405

Configuring the Interface Sampling Size..................................................................................................................406

Configuring the Traffic Sampling Size Globally............................................................................................................. 407

Dynamic Counters.............................................................................................................................................................408

Clearing Interface Counters.......................................................................................................................................409

Discard Counters...............................................................................................................................................................409

Display discard counters.............................................................................................................................................409

23 Internet Protocol Security (IPSec)............................................................................................ 411

Configuring IPSec ..............................................................................................................................................................411

24 IPv4 Routing........................................................................................................................... 413

IP Addresses....................................................................................................................................................................... 414

Configuration Tasks for IP Addresses............................................................................................................................. 414

Assigning IP Addresses to an Interface...........................................................................................................................414

Configuring Static Routes.................................................................................................................................................415

Adding description for IPv4 and IPv6 static routes................................................................................................. 416

Configure Static Routes for the Management Interface..............................................................................................416

IPv4 Path MTU Discovery Overview...............................................................................................................................417

Using the Configured Source IP Address in ICMP Messages......................................................................................417

Configuring the Duration to Establish a TCP Connection............................................................................................ 418

Enabling Directed Broadcast............................................................................................................................................ 418

Resolution of Host Names................................................................................................................................................ 418

Enabling Dynamic Resolution of Host Names................................................................................................................ 419

Contents

13

Specifying the Local System Domain and a List of Domains....................................................................................... 419

Configuring DNS with Traceroute................................................................................................................................... 419

ARP..................................................................................................................................................................................... 420

Configuration Tasks for ARP........................................................................................................................................... 420

Configuring Static ARP Entries....................................................................................................................................... 420

Enabling Proxy ARP........................................................................................................................................................... 421

Clearing ARP Cache.......................................................................................................................................................... 421

ARP Learning via Gratuitous ARP....................................................................................................................................421

Enabling ARP Learning via Gratuitous ARP................................................................................................................... 422

ARP Learning via ARP Request.......................................................................................................................................422

Configuring ARP Retries...................................................................................................................................................423

ICMP................................................................................................................................................................................... 423

Configuration Tasks for ICMP......................................................................................................................................... 423

Enabling ICMP Unreachable Messages..........................................................................................................................423

ICMP Redirects................................................................................................................................................................. 424

UDP Helper........................................................................................................................................................................ 424

Enabling UDP Helper.........................................................................................................................................................425

Configurations Using UDP Helper...................................................................................................................................425

UDP Helper with Broadcast-All Addresses....................................................................................................................425

UDP Helper with Subnet Broadcast Addresses............................................................................................................426

UDP Helper with Configured Broadcast Addresses..................................................................................................... 426

UDP Helper with No Configured Broadcast Addresses............................................................................................... 427

Troubleshooting UDP Helper........................................................................................................................................... 427

25 IPv6 Routing.......................................................................................................................... 428

Protocol Overview............................................................................................................................................................ 428

Extended Address Space........................................................................................................................................... 428

Stateless Autoconfiguration.......................................................................................................................................428

IPv6 Headers................................................................................................................................................................429

IPv6 Header Fields...................................................................................................................................................... 429

Extension Header Fields.............................................................................................................................................. 431

Addressing....................................................................................................................................................................432

Implementing IPv6 with Dell EMC Networking OS.......................................................................................................432

ICMPv6...............................................................................................................................................................................434

Path MTU discovery......................................................................................................................................................... 434

IPv6 Neighbor Discovery..................................................................................................................................................435

IPv6 Neighbor Discovery of MTU Packets.............................................................................................................. 436

Configuration Task List for IPv6 RDNSS....................................................................................................................... 436

Configuring the IPv6 Recursive DNS Server...........................................................................................................436

Debugging IPv6 RDNSS Information Sent to the Host .........................................................................................437

Displaying IPv6 RDNSS Information..........................................................................................................................437

Secure Shell (SSH) Over an IPv6 Transport................................................................................................................. 438

Configuration Tasks for IPv6........................................................................................................................................... 438

Adjusting Your CAM-Profile....................................................................................................................................... 438

Assigning an IPv6 Address to an Interface.............................................................................................................. 439

Assigning a Static IPv6 Route....................................................................................................................................439

Configuring Telnet with IPv6..................................................................................................................................... 440

SNMP over IPv6..........................................................................................................................................................440

Displaying IPv6 Information........................................................................................................................................440

Displaying an IPv6 Interface Information.................................................................................................................. 441

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Contents

Showing IPv6 Routes.................................................................................................................................................. 441

Showing the Running-Configuration for an Interface............................................................................................ 442

Clearing IPv6 Routes...................................................................................................................................................443

Disabling ND Entry Timeout....................................................................................................................................... 443

Configuring IPv6 RA Guard..............................................................................................................................................443

Configuring IPv6 RA Guard on an Interface............................................................................................................ 445

Monitoring IPv6 RA Guard......................................................................................................................................... 445

26 iSCSI Optimization................................................................................................................. 446

iSCSI Optimization Overview...........................................................................................................................................446

Monitoring iSCSI Traffic Flows.................................................................................................................................. 447

Application of Quality of Service to iSCSI Traffic Flows........................................................................................ 447

Information Monitored in iSCSI Traffic Flows..........................................................................................................448

Detection and Auto-Configuration for Dell EqualLogic Arrays.............................................................................. 448

Configuring Detection and Ports for Dell Compellent Arrays................................................................................ 449

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................. 449

Enable and Disable iSCSI Optimization.....................................................................................................................450

Default iSCSI Optimization Values..................................................................................................................................450

iSCSI Optimization Prerequisites.................................................................................................................................... 450

Configuring iSCSI Optimization........................................................................................................................................451

Displaying iSCSI Optimization Information.....................................................................................................................452

27 Intermediate System to Intermediate System............................................................................454

IS-IS Protocol Overview...................................................................................................................................................454

IS-IS Addressing................................................................................................................................................................ 454

Multi-Topology IS-IS.........................................................................................................................................................455

Transition Mode...........................................................................................................................................................455

Interface Support........................................................................................................................................................ 455

Adjacencies.................................................................................................................................................................. 455

Graceful Restart................................................................................................................................................................456

Timers........................................................................................................................................................................... 456

Implementation Information.............................................................................................................................................456

Configuration Information................................................................................................................................................ 457

Configuration Tasks for IS-IS.....................................................................................................................................457

Configuring the Distance of a Route........................................................................................................................ 464

Changing the IS-Type.................................................................................................................................................464

Redistributing IPv4 Routes........................................................................................................................................ 466

Redistributing IPv6 Routes........................................................................................................................................ 466

Configuring Authentication Passwords.................................................................................................................... 467

Setting the Overload Bit.............................................................................................................................................467

Debugging IS-IS...........................................................................................................................................................468

IS-IS Metric Styles............................................................................................................................................................ 469

Configure Metric Values...................................................................................................................................................469

Maximum Values in the Routing Table..................................................................................................................... 469

Change the IS-IS Metric Style in One Level Only................................................................................................... 469

Leaks from One Level to Another.............................................................................................................................. 471

Sample Configurations.......................................................................................................................................................471

28 Link Aggregation Control Protocol (LACP)................................................................................474

Contents

15

Introduction to Dynamic LAGs and LACP...................................................................................................................... 474

Important Points to Remember................................................................................................................................. 474

LACP Modes................................................................................................................................................................ 474

Configuring LACP Commands...................................................................................................................................475

LACP Configuration Tasks............................................................................................................................................... 475

Creating a LAG.............................................................................................................................................................475

Configuring the LAG Interfaces as Dynamic............................................................................................................476

Setting the LACP Long Timeout............................................................................................................................... 476

Monitoring and Debugging LACP.............................................................................................................................. 477

Shared LAG State Tracking..............................................................................................................................................477

Configuring Shared LAG State Tracking.................................................................................................................. 478

Important Points about Shared LAG State Tracking.............................................................................................. 479

LACP Basic Configuration Example................................................................................................................................ 479

Configure a LAG on ALPHA....................................................................................................................................... 479

29 Layer 2...................................................................................................................................487

Manage the MAC Address Table.................................................................................................................................... 487

Clearing the MAC Address Table.............................................................................................................................. 487

Setting the Aging Time for Dynamic Entries............................................................................................................487

Configuring a Static MAC Address........................................................................................................................... 487

Displaying the MAC Address Table........................................................................................................................... 488

MAC Learning Limit.......................................................................................................................................................... 488

Setting the MAC Learning Limit................................................................................................................................488

mac learning-limit Dynamic........................................................................................................................................ 489

mac learning-limit mac-address-sticky.....................................................................................................................489

mac learning-limit station-move................................................................................................................................ 489

mac learning-limit no-station-move.......................................................................................................................... 489

Learning Limit Violation Actions................................................................................................................................ 490

Setting Station Move Violation Actions....................................................................................................................490

Recovering from Learning Limit and Station Move Violations.............................................................................. 490

Disabling MAC Address Learning on the System.....................................................................................................491

Enabling port security..................................................................................................................................................491

NIC Teaming.......................................................................................................................................................................491

Configure Redundant Pairs..............................................................................................................................................492

Far-End Failure Detection................................................................................................................................................ 495

FEFD State Changes.................................................................................................................................................. 495

Configuring FEFD........................................................................................................................................................496

Enabling FEFD on an Interface.................................................................................................................................. 497

Debugging FEFD..........................................................................................................................................................497

30 Link Layer Discovery Protocol (LLDP)...................................................................................... 499

802.1AB (LLDP) Overview...............................................................................................................................................499

Protocol Data Units.....................................................................................................................................................499

Optional TLVs....................................................................................................................................................................500

Management TLVs......................................................................................................................................................500

TIA-1057 (LLDP-MED) Overview....................................................................................................................................501

TIA Organizationally Specific TLVs........................................................................................................................... 502

Configure LLDP.................................................................................................................................................................505

CONFIGURATION versus INTERFACE Configurations...............................................................................................505

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Contents

Enabling LLDP................................................................................................................................................................... 506

Disabling and Undoing LLDP......................................................................................................................................506

Enabling LLDP on Management Ports........................................................................................................................... 506

Disabling and Undoing LLDP on Management Ports..............................................................................................507

Advertising TLVs............................................................................................................................................................... 507

Storing and Viewing Unrecognized LLDP TLVs............................................................................................................508

Viewing the LLDP Configuration.....................................................................................................................................509

Viewing Information Advertised by Adjacent LLDP Neighbors...................................................................................509

Examples of Viewing Information Advertised by Neighbors..................................................................................509

Configuring LLDPDU Intervals......................................................................................................................................... 512

Configuring LLDP Notification Interval........................................................................................................................... 512

Configuring LLDP Notification Interval........................................................................................................................... 513

Configuring Transmit and Receive Mode....................................................................................................................... 513

Configuring the Time to Live Value................................................................................................................................. 514

Debugging LLDP................................................................................................................................................................ 514

Relevant Management Objects....................................................................................................................................... 515

31 Microsoft Network Load Balancing........................................................................................... 520

Configuring a Switch for NLB ......................................................................................................................................... 521

Enabling a Switch for Multicast NLB.........................................................................................................................521

32 Multicast Source Discovery Protocol (MSDP)........................................................................... 523

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

Implementation Information.............................................................................................................................................525

Configure Multicast Source Discovery Protocol...........................................................................................................525

Related Configuration Tasks......................................................................................................................................525

Enable MSDP.....................................................................................................................................................................529

Manage the Source-Active Cache................................................................................................................................. 530

Viewing the Source-Active Cache............................................................................................................................530

Limiting the Source-Active Cache............................................................................................................................ 530

Clearing the Source-Active Cache............................................................................................................................530

Enabling the Rejected Source-Active Cache........................................................................................................... 531

Accept Source-Active Messages that Fail the RFP Check..........................................................................................531

Specifying Source-Active Messages.............................................................................................................................. 533

Limiting the Source-Active Messages from a Peer......................................................................................................534

Preventing MSDP from Caching a Local Source..........................................................................................................534

Preventing MSDP from Caching a Remote Source..................................................................................................... 534

Preventing MSDP from Advertising a Local Source.................................................................................................... 535

Logging Changes in Peership States..............................................................................................................................536

Terminating a Peership.....................................................................................................................................................536

Clearing Peer Statistics.................................................................................................................................................... 536

Debugging MSDP..............................................................................................................................................................537

MSDP with Anycast RP....................................................................................................................................................537

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

Reducing Source-Active Message Flooding............................................................................................................539

Specifying the RP Address Used in SA Messages..................................................................................................539

MSDP Sample Configurations..........................................................................................................................................541

33 Multicast Listener Discovery Protocol...................................................................................... 544

Contents

17

MLD timers.........................................................................................................................................................................547

Reducing Host Response Burstiness........................................................................................................................ 547

Configuring MLD Version................................................................................................................................................. 547

Clearing MLD groups........................................................................................................................................................ 548

Debugging MLD.................................................................................................................................................................548

Explicit Tracking................................................................................................................................................................ 548

Reducing Leave Latency..................................................................................................................................................548

Displaying MLD groups table........................................................................................................................................... 548

Displaying MLD Interfaces............................................................................................................................................... 549

34 Multiple Spanning Tree Protocol (MSTP)................................................................................. 550

Spanning Tree Variations..................................................................................................................................................551

Implementation Information........................................................................................................................................551

Configure Multiple Spanning Tree Protocol................................................................................................................... 551

Related Configuration Tasks.......................................................................................................................................551

Enable Multiple Spanning Tree Globally......................................................................................................................... 552

Adding and Removing Interfaces.................................................................................................................................... 552

Creating Multiple Spanning Tree Instances...................................................................................................................552

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

Interoperate with Non-Dell Bridges................................................................................................................................ 554

Changing the Region Name or Revision.........................................................................................................................554

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

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

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

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

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

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

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

35 Multicast Features..................................................................................................................563

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

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

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

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

Understanding Multicast Traceroute (mtrace)............................................................................................................. 570

Printing Multicast Traceroute (mtrace) Paths..............................................................................................................570

Supported Error Codes.....................................................................................................................................................572

mtrace Scenarios...............................................................................................................................................................572

36 Multicast Listener Discovery Protocol...................................................................................... 578

MLD timers......................................................................................................................................................................... 581

Reducing Host Response Burstiness.........................................................................................................................581

Clearing MLD groups.........................................................................................................................................................581

Debugging MLD.................................................................................................................................................................582

Explicit Tracking................................................................................................................................................................ 582

Reducing Leave Latency..................................................................................................................................................582

Displaying MLD groups table........................................................................................................................................... 582

Displaying MLD Interfaces............................................................................................................................................... 582

MLD Snooping...................................................................................................................................................................583

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Contents

Enable MLD Snooping................................................................................................................................................ 583

Disable MLD Snooping................................................................................................................................................583

Configure the switch as a querier............................................................................................................................. 583

Specify port as connected to multicast router........................................................................................................584

Enable Snooping Explicit Tracking............................................................................................................................ 584

Display the MLD Snooping Table.............................................................................................................................. 584

37 Object Tracking...................................................................................................................... 585

Object Tracking Overview............................................................................................................................................... 585

Track Layer 2 Interfaces............................................................................................................................................ 586

Track Layer 3 Interfaces............................................................................................................................................ 586

Track IPv4 and IPv6 Routes...................................................................................................................................... 586

Set Tracking Delays.....................................................................................................................................................587

VRRP Object Tracking................................................................................................................................................588

Object Tracking Configuration........................................................................................................................................ 588

Tracking a Layer 2 Interface...................................................................................................................................... 588

Tracking a Layer 3 Interface...................................................................................................................................... 589

Track an IPv4/IPv6 Route......................................................................................................................................... 590

Displaying Tracked Objects..............................................................................................................................................593

38 Open Shortest Path First (OSPFv2 and OSPFv3)...................................................................... 595

Protocol Overview............................................................................................................................................................ 595

Autonomous System (AS) Areas.............................................................................................................................. 595

Area Types................................................................................................................................................................... 596

Networks and Neighbors............................................................................................................................................597

Router Types................................................................................................................................................................597

Designated and Backup Designated Routers.......................................................................................................... 598

Link-State Advertisements (LSAs)...........................................................................................................................598

Router Priority and Cost............................................................................................................................................ 599

OSPF with Dell EMC Networking OS............................................................................................................................ 600

Graceful Restart..........................................................................................................................................................600

Fast Convergence (OSPFv2, IPv4 Only)..................................................................................................................601

Multi-Process OSPFv2 with VRF.............................................................................................................................. 601

OSPF ACK Packing.....................................................................................................................................................602

Setting OSPF Adjacency with Cisco Routers..........................................................................................................602

Configuration Information................................................................................................................................................ 602

Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................... 603

OSPFv3 NSSA..............................................................................................................................................................614

Configuration Task List for OSPFv3 (OSPF for IPv6)............................................................................................615

MIB Support for OSPFv3.................................................................................................................................................626

Viewing the OSPFv3 MIB.......................................................................................................................................... 626

Configuration Task List for OSPFv3 (OSPF for IPv6)................................................................................................. 627

Enabling IPv6 Unicast Routing...................................................................................................................................627

Applying cost for OSPFv3..........................................................................................................................................627

Assigning IPv6 Addresses on an Interface...............................................................................................................628

Assigning Area ID on an Interface............................................................................................................................. 628

Assigning OSPFv3 Process ID and Router ID Globally........................................................................................... 628

Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................... 629

Configuring Stub Areas.............................................................................................................................................. 629

Contents

19

Configuring Passive-Interface................................................................................................................................... 629

Redistributing Routes................................................................................................................................................. 630

Configuring a Default Route...................................................................................................................................... 630

Enabling OSPFv3 Graceful Restart...........................................................................................................................630

OSPFv3 Authentication Using IPsec........................................................................................................................ 632

Troubleshooting OSPFv3........................................................................................................................................... 638

39 Policy-based Routing (PBR).................................................................................................... 639

Overview............................................................................................................................................................................ 639

Implementing PBR............................................................................................................................................................ 640

Configuration Task List for Policy-based Routing........................................................................................................ 640

Create a Redirect List..................................................................................................................................................641

Create a Rule for a Redirect-list.................................................................................................................................641

Apply a Redirect-list to an Interface using a Redirect-group................................................................................ 642

Sample Configuration....................................................................................................................................................... 645

40 PIM Sparse-Mode (PIM-SM)................................................................................................... 649

Implementation Information.............................................................................................................................................649

Protocol Overview............................................................................................................................................................ 649

Requesting Multicast Traffic..................................................................................................................................... 649

Refuse Multicast Traffic.............................................................................................................................................649

Send Multicast Traffic................................................................................................................................................650

Configuring PIM-SM.........................................................................................................................................................650

Related Configuration Tasks......................................................................................................................................650

Enable PIM-SM................................................................................................................................................................. 650

Configuring S,G Expiry Timers........................................................................................................................................ 652

Configuring a Static Rendezvous Point......................................................................................................................... 653

Overriding Bootstrap Router Updates......................................................................................................................653

Configuring a Designated Router....................................................................................................................................654

Creating Multicast Boundaries and Domains.................................................................................................................655

Electing an RP using the BSR Mechanism.................................................................................................................... 655

41 PIM Source-Specific Mode (PIM-SSM).....................................................................................657

Implementation Information.............................................................................................................................................657

Configure PIM-SSM......................................................................................................................................................... 657

Enabling PIM-SSM............................................................................................................................................................658

Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................... 658

Electing an RP using the BSR Mechanism.................................................................................................................... 660

Enabling RP to Server Specific Multicast Groups................................................................................................... 661

42 Port Monitoring......................................................................................................................662

Important Points to Remember.......................................................................................................................................662

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

Configuring Port Monitoring............................................................................................................................................665

Configuring Monitor Multicast Queue............................................................................................................................666

Enabling Flow-Based Monitoring.................................................................................................................................... 666

Remote Port Mirroring..................................................................................................................................................... 667

Remote Port Mirroring Example................................................................................................................................668

Configuring Remote Port Mirroring.......................................................................................................................... 668

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