Dell PowerSwitch S6000 ON User guide

Dell Configuration Guide for the S6000–ON

System

9.14.2.8

September 2020

Rev. A00

Notes, cautions, and warnings

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

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

the problem.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Chapter 3: Getting Started..........................................................................................................42

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

Serial Console............................................................................................................................................................... 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.....................................................................................................................................47

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Contents

Contents 3

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

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

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

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

Audit and Security Logs.............................................................................................................................................58

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Enabling the FTP Server............................................................................................................................................ 73

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

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

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

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

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

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

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

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

Reloading the system........................................................................................................................................................77

Restoring the Factory Default Settings....................................................................................................................... 78

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

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

Disabling Syslog Messages for SNMP Authentication Failure Events................................................................. 80

Chapter 5: 802.1X........................................................................................................................ 81

Port-Authentication Process..........................................................................................................................................82

EAP over RADIUS........................................................................................................................................................83

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

Important Points to Remember..................................................................................................................................... 84

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

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

Configuring MAC addresses for a do1x Profile.......................................................................................................... 86

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

4

Contents

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

Configuring Request Identity Re-Transmissions........................................................................................................88

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

Chapter 6: Access Control Lists (ACLs)...................................................................................... 96

IP Access Control Lists (ACLs)......................................................................................................................................97

CAM Usage................................................................................................................................................................... 97

Implementing ACLs on Dell EMC Networking OS............................................................................................... 98

Configure ACL Range Profiles..................................................................................................................................99

Important Points to Remember....................................................................................................................................100

Configuration Task List for Route Maps..............................................................................................................100

Configuring Match Routes...................................................................................................................................... 102

Configuring Set Conditions..................................................................................................................................... 103

Configure a Route Map for Route Redistribution.............................................................................................. 104

Configure a Route Map for Route Tagging......................................................................................................... 105

Continue Clause......................................................................................................................................................... 105

IP Fragment Handling..................................................................................................................................................... 105

IP Fragments ACL Examples...................................................................................................................................106

Layer 4 ACL Rules Examples...................................................................................................................................106

Configure a Standard IP ACL........................................................................................................................................107

Configuring a Standard IP ACL Filter....................................................................................................................108

Configure an Extended IP ACL.....................................................................................................................................108

Configuring Filters with a Sequence Number..................................................................................................... 109

Configuring Filters Without a Sequence Number................................................................................................111

Configure Layer 2 and Layer 3 ACLs........................................................................................................................... 112

Assign an IP ACL to an Interface..................................................................................................................................112

Applying an IP ACL...........................................................................................................................................................112

Counting ACL Hits......................................................................................................................................................113

Configure Ingress ACLs.................................................................................................................................................. 113

Configure Egress ACLs................................................................................................................................................... 114

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................. 115

IP Prefix Lists.................................................................................................................................................................... 115

Configuration Task List for Prefix Lists................................................................................................................ 116

ACL Remarks..................................................................................................................................................................... 119

Configuring a Remark................................................................................................................................................ 119

Deleting a Remark...................................................................................................................................................... 119

ACL Resequencing.......................................................................................................................................................... 120

Resequencing an ACL or Prefix List......................................................................................................................120

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

Flow-Based Monitoring.................................................................................................................................................. 122

Enabling Flow-Based Monitoring............................................................................................................................123

Configuring IP Mirror Access Group........................................................................................................................... 124

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

Contents

5

Example of viewing IP mirror–access–group applied to an Interface.......................................................... 125

Chapter 7: Bidirectional Forwarding Detection (BFD).................................................................126

How BFD Works...............................................................................................................................................................126

BFD Packet Format................................................................................................................................................... 127

BFD Sessions.............................................................................................................................................................. 128

BFD Three-Way Handshake.................................................................................................................................... 129

Session State Changes.............................................................................................................................................130

Important Points to Remember....................................................................................................................................130

Configure BFD..................................................................................................................................................................130

Configure BFD for Physical Ports...........................................................................................................................131

Configure BFD for Static Routes........................................................................................................................... 132

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

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

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

Configure BFD for IS-IS........................................................................................................................................... 145

Configure BFD for BGP............................................................................................................................................ 147

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

Configuring Protocol Liveness................................................................................................................................156

Chapter 8: Border Gateway Protocol (BGP)............................................................................... 157

BGP IP version 4 (BGPv4) Overview......................................................................................................................... 157

BGP Autonomous Systems......................................................................................................................................157

AS4 Number Representation.................................................................................................................................. 159

Four-Byte AS Numbers............................................................................................................................................. 161

BGP router ID.............................................................................................................................................................. 161

Sessions and Peers.................................................................................................................................................... 161

Establish a Session..................................................................................................................................................... 161

BGP Attributes for selecting Best Path............................................................................................................... 162

Multiprotocol BGP..................................................................................................................................................... 167

BGP global and address family configuration......................................................................................................168

Implement BGP with Dell EMC Networking OS................................................................................................. 169

Configuration Information........................................................................................................................................ 172

Basic BGP configuration tasks..................................................................................................................................... 173

Prerequisite for configuring a BGP network....................................................................................................... 173

Restrictions..................................................................................................................................................................173

Enabling BGP...............................................................................................................................................................173

Enabling four-byte autonomous system numbers..............................................................................................175

Changing a BGP router ID........................................................................................................................................176

Configuring AS4 Number Representations..........................................................................................................176

Configuring a BGP peer............................................................................................................................................177

Example-Configuring BGP routing between peers............................................................................................ 178

BGP peer group..........................................................................................................................................................179

Advanced BGP configuration tasks.............................................................................................................................186

Route-refresh and Soft-reconfiguration..............................................................................................................186

Aggregating Routes...................................................................................................................................................188

Filtering BGP...............................................................................................................................................................190

Configuring BGP Fast Fall-Over.............................................................................................................................195

Configuring Passive Peering....................................................................................................................................197

6

Contents

Enabling Graceful Restart........................................................................................................................................198

Redistributing Routes............................................................................................................................................... 199

Enabling Additional Paths........................................................................................................................................ 199

Configuring IP Community Lists............................................................................................................................200

Configuring an IP Extended Community List...................................................................................................... 201

Configure BGP attributes........................................................................................................................................202

Enabling Multipath.................................................................................................................................................... 206

Route Reflectors....................................................................................................................................................... 206

Enabling Route Flap Dampening............................................................................................................................ 207

Changing BGP keepalive and hold timers........................................................................................................... 209

Setting the extended timer..................................................................................................................................... 210

Enabling or disabling BGP neighbors.....................................................................................................................210

Route Map Continue................................................................................................................................................. 212

Configuring BGP Confederations...........................................................................................................................212

Configuring a BGP VRF address family................................................................................................................ 213

Maintaining Existing AS Numbers During an AS Migration..............................................................................214

Allowing an AS Number to Appear in its Own AS Path.................................................................................... 215

Enabling MBGP Configurations.............................................................................................................................. 215

MBGP support for IPv6............................................................................................................................................216

Configuring IPv6 MBGP between peers.............................................................................................................. 216

Example-Configuring IPv4 and IPv6 neighbors.................................................................................................. 217

Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor................................... 219

BGP Regular Expression Optimization.................................................................................................................220

Debugging BGP.......................................................................................................................................................... 221

Chapter 9: Content Addressable Memory (CAM)....................................................................... 223

CAM Allocation................................................................................................................................................................ 223

Test CAM Usage............................................................................................................................................................. 225

View CAM Profiles..........................................................................................................................................................225

View CAM-ACL Settings...............................................................................................................................................226

View CAM Usage.............................................................................................................................................................227

Configuring CAM Threshold and Silence Period..................................................................................................... 228

CAM Optimization...........................................................................................................................................................229

Troubleshoot CAM Profiling......................................................................................................................................... 229

QoS CAM Region Limitation...................................................................................................................................229

Syslog Error When the Table is Full......................................................................................................................230

Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................230

Syslog Warning for Discrepancies Between Configured Extended Prefixes..............................................230

Unified Forwarding Table (UFT) Modes....................................................................................................................230

Configuring UFT Modes.......................................................................................................................................... 230

Chapter 10: Control Plane Policing (CoPP)................................................................................ 232

Configure Control Plane Policing................................................................................................................................ 233

Configuring CoPP for Protocols............................................................................................................................234

Configuring CoPP for CPU Queues......................................................................................................................235

Displaying CoPP Configuration .............................................................................................................................236

Chapter 11: Data Center Bridging (DCB).................................................................................... 238

Ethernet Enhancements in Data Center Bridging...................................................................................................238

Contents

7

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

Enhanced Transmission Selection.........................................................................................................................240

Data Center Bridging Exchange Protocol (DCBx).............................................................................................241

Data Center Bridging in a Traffic Flow................................................................................................................ 242

Enabling Data Center Bridging.....................................................................................................................................242

DCB Maps and its Attributes..................................................................................................................................243

Data Center Bridging: Default Configuration........................................................................................................... 243

Configuring Priority-Based Flow Control.................................................................................................................. 244

Configuring Lossless Queues................................................................................................................................. 244

Configuring PFC in a DCB Map................................................................................................................................... 246

Applying a DCB Map on a Port.................................................................................................................................... 247

Configuring PFC without a DCB Map........................................................................................................................ 248

Configuring PFC Asymmetric.......................................................................................................................................249

Priority-Based Flow Control Using Dynamic Buffer Method............................................................................... 250

Behavior of Tagged Packets.........................................................................................................................................251

Configuration Example for DSCP and PFC Priorities..............................................................................................251

SNMP Support for PFC and Buffer Statistics Tracking........................................................................................252

Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................252

PFC and ETS Configuration Examples.......................................................................................................................254

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

Operations on Untagged Packets...............................................................................................................................254

Generation of PFC for a Priority for Untagged Packets.......................................................................................254

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

ETS Prerequisites and Restrictions...................................................................................................................... 255

Creating an ETS Priority Group.............................................................................................................................255

ETS Operation with DCBx...................................................................................................................................... 256

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

Configuring ETS in a DCB Map..............................................................................................................................257

Hierarchical Scheduling in ETS Output Policies...................................................................................................... 258

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

Applying DCB Policies in a Switch Stack.................................................................................................................. 259

Configure a DCBx Operation........................................................................................................................................259

DCBx Operation.........................................................................................................................................................259

DCBx Port Roles........................................................................................................................................................259

DCB Configuration Exchange................................................................................................................................. 261

Configuration Source Election................................................................................................................................261

Propagation of DCB Information............................................................................................................................261

Auto-Detection and Manual Configuration of the DCBx Version..................................................................262

DCBx Example............................................................................................................................................................262

DCBx Prerequisites and Restrictions................................................................................................................... 263

Configuring DCBx......................................................................................................................................................263

Verifying the DCB Configuration.................................................................................................................................266

QoS dot1p Traffic Classification and Queue Assignment...................................................................................... 274

Configuring the Dynamic Buffer Method.................................................................................................................. 275

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

Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 278

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

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

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

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Contents

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....................................................................................................283

Using DNS for Address Resolution....................................................................................................................... 283

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

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

Debugging the DHCP Server..................................................................................................................................284

Using DHCP Clear Commands...............................................................................................................................284

Configure the System to be a DHCP Client............................................................................................................. 284

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

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

DHCP Client Operation with Other Features.....................................................................................................286

DHCP Relay When DHCP Server and Client are in Different VRFs....................................................................287

Configuring Route Leaking between VRFs on DHCP Relay Agent............................................................... 287

Non-default VRF configuration for DHCPv6 helper address............................................................................... 288

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

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

Interface level DHCP relay source IPv4 or IPv6 configuration .....................................................................289

Configure the System for User Port Stacking (Option 230)............................................................................... 290

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......................................................................................................................................... 296

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

Chapter 13: Equal Cost Multi-Path (ECMP)................................................................................301

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

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

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

Configuring the Hash Algorithm Seed..................................................................................................................302

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

Managing ECMP Group Paths...............................................................................................................................303

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

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

Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table..............................304

Support for ECMP in host table............................................................................................................................304

Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ....................................................................304

Chapter 14: FIP Snooping.......................................................................................................... 305

Fibre Channel over Ethernet........................................................................................................................................305

Contents

9

Ensure Robustness in a Converged Ethernet Network.........................................................................................305

FIP Snooping on Ethernet Bridges............................................................................................................................. 306

Using FIP Snooping........................................................................................................................................................ 308

FIP Snooping Prerequisites.....................................................................................................................................308

Important Points to Remember............................................................................................................................. 308

Enabling the FCoE Transit Feature.......................................................................................................................309

Enable FIP Snooping on VLANs.............................................................................................................................309

Configure the FC-MAP Value................................................................................................................................. 310

Configure a Port for a Bridge-to-Bridge Link..................................................................................................... 310

Configure a Port for a Bridge-to-FCF Link..........................................................................................................310

Impact on Other Software Features..................................................................................................................... 310

FIP Snooping Restrictions....................................................................................................................................... 310

Configuring FIP Snooping.........................................................................................................................................311

Displaying FIP Snooping Information........................................................................................................................... 311

FCoE Transit Configuration Example..........................................................................................................................316

Chapter 15: Flex Hash and Optimized Boot-Up........................................................................... 318

Flex Hash Capability Overview.....................................................................................................................................318

Configuring the Flex Hash Mechanism.......................................................................................................................318

Configuring Fast Boot and LACP Fast Switchover.................................................................................................319

Optimizing the Boot Time..............................................................................................................................................319

Interoperation of Applications with Fast Boot and System States.....................................................................320

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................. 323

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces................................................................................. 323

Chapter 16: Force10 Resilient Ring Protocol (FRRP)..................................................................325

Protocol Overview..........................................................................................................................................................325

Ring Status................................................................................................................................................................. 326

Multiple FRRP Rings.................................................................................................................................................326

Important FRRP Points............................................................................................................................................327

Important FRRP Concepts......................................................................................................................................328

Implementing FRRP........................................................................................................................................................328

FRRP Configuration........................................................................................................................................................329

Creating the FRRP Group....................................................................................................................................... 329

Configuring the Control VLAN...............................................................................................................................329

Configuring and Adding the Member VLANs..................................................................................................... 330

Setting the FRRP Timers......................................................................................................................................... 331

Clearing the FRRP Counters...................................................................................................................................331

Viewing the FRRP Configuration........................................................................................................................... 331

Viewing the FRRP Information............................................................................................................................... 331

Troubleshooting FRRP...................................................................................................................................................332

Sample Configuration and Topology...........................................................................................................................332

FRRP Support on VLT................................................................................................................................................... 333

Chapter 17: GARP VLAN Registration Protocol (GVRP)............................................................. 336

Configure GVRP.............................................................................................................................................................. 337

Enabling GVRP Globally................................................................................................................................................. 337

Enabling GVRP on a Layer 2 Interface...................................................................................................................... 338

Configure GVRP Registration...................................................................................................................................... 338

10

Contents

Configure a GARP Timer...............................................................................................................................................339

Chapter 18: Internet Group Management Protocol (IGMP)........................................................ 340

IGMP Protocol Overview.............................................................................................................................................. 340

IGMP Version 2..........................................................................................................................................................340

IGMP Version 3..........................................................................................................................................................342

Configure IGMP...............................................................................................................................................................344

Viewing IGMP Enabled Interfaces.............................................................................................................................. 345

Selecting an IGMP Version........................................................................................................................................... 345

Viewing IGMP Groups....................................................................................................................................................346

Adjusting Timers..............................................................................................................................................................346

Adjusting Query and Response Timers................................................................................................................ 346

Enabling IGMP Immediate-Leave................................................................................................................................ 347

IGMP Snooping................................................................................................................................................................347

Configuring IGMP Snooping................................................................................................................................... 348

Removing a Group-Port Association.................................................................................................................... 348

Disabling Multicast Flooding................................................................................................................................... 349

Specifying a Port as Connected to a Multicast Router................................................................................... 349

Configuring the Switch as Querier........................................................................................................................349

Fast Convergence after MSTP Topology Changes................................................................................................350

Egress Interface Selection (EIS) for HTTP and IGMP Applications...................................................................350

Designating a Multicast Router Interface................................................................................................................. 357

Chapter 19: Interfaces...............................................................................................................358

Interface Types............................................................................................................................................................... 359

View Basic Interface Information................................................................................................................................359

Resetting an Interface to its Factory Default State................................................................................................361

Enabling a Physical Interface........................................................................................................................................ 361

Physical Interfaces..........................................................................................................................................................362

Configuration Task List for Physical Interfaces.................................................................................................362

40G to 1G Breakout Cable Adaptor...................................................................................................................... 362

Overview of Layer Modes.......................................................................................................................................363

Configuring Layer 2 (Data Link) Mode................................................................................................................ 363

Configuring Layer 2 (Interface) Mode.................................................................................................................363

Configuring Layer 3 (Network) Mode..................................................................................................................364

Configuring Layer 3 (Interface) Mode.................................................................................................................364

Automatic recovery of an Err-disabled interface....................................................................................................365

Configuring an automatic recovery for an Err-disabled interface.................................................................365

Egress Interface Selection (EIS).................................................................................................................................366

Configuring EIS..........................................................................................................................................................366

Management Interfaces.................................................................................................................................................367

Configuring Management Interfaces....................................................................................................................367

Configuring a Management Interface on an Ethernet Port............................................................................368

VLAN Interfaces..............................................................................................................................................................369

Loopback Interfaces.......................................................................................................................................................370

Null Interfaces..................................................................................................................................................................370

Configuring Port Delay...................................................................................................................................................370

Port Channel Interfaces................................................................................................................................................. 371

Port Channel Definition and Standards................................................................................................................ 371

Contents

11

Port Channel Benefits...............................................................................................................................................371

Port Channel Implementation..................................................................................................................................371

Interfaces in Port Channels.................................................................................................................................... 372

Configuration Tasks for Port Channel Interfaces..............................................................................................372

Creating a Port Channel.......................................................................................................................................... 372

Adding a Physical Interface to a Port Channel.................................................................................................. 373

Reassigning an Interface to a New Port Channel..............................................................................................374

Configuring the Minimum Oper Up Links in a Port Channel........................................................................... 375

Adding or Removing a Port Channel from a VLAN........................................................................................... 375

Assigning an IP Address to a Port Channel.........................................................................................................376

Deleting or Disabling a Port Channel.................................................................................................................... 376

Load Balancing Through Port Channels...............................................................................................................376

Changing the Hash Algorithm.................................................................................................................................377

Bulk Configuration...........................................................................................................................................................378

Interface Range......................................................................................................................................................... 378

Bulk Configuration Examples..................................................................................................................................378

Defining Interface Range Macros............................................................................................................................... 380

Define the Interface Range.................................................................................................................................... 380

Choosing an Interface-Range Macro................................................................................................................... 380

Monitoring and Maintaining Interfaces......................................................................................................................380

Maintenance Using TDR...........................................................................................................................................381

Non Dell-Qualified Transceivers.................................................................................................................................. 382

Splitting 40G Ports without Reload............................................................................................................................382

Splitting QSFP Ports to SFP+ Ports.......................................................................................................................... 384

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..............................................................................385

Configuring wavelength for 10–Gigabit SFP+ optics.............................................................................................387

Link Dampening............................................................................................................................................................... 387

Enabling Link Dampening........................................................................................................................................ 390

Link Bundle Monitoring...................................................................................................................................................391

Using Ethernet Pause Frames for Flow Control...................................................................................................... 391

Enabling Pause Frames............................................................................................................................................392

Configure the MTU Size on an Interface.................................................................................................................. 392

Port-Pipes.........................................................................................................................................................................393

Auto-Negotiation on Ethernet Interfaces................................................................................................................. 393

Setting the Speed of Ethernet Interfaces.......................................................................................................... 394

Set Auto-Negotiation Options............................................................................................................................... 395

View Advanced Interface Information....................................................................................................................... 396

Configuring the Interface Sampling Size.............................................................................................................396

Dynamic Counters...........................................................................................................................................................397

Clearing Interface Counters................................................................................................................................... 398

Compressing Configuration Files.................................................................................................................................398

Chapter 20: IPv4 Routing...........................................................................................................401

IP Addresses.....................................................................................................................................................................402

Configuration Tasks for IP Addresses........................................................................................................................402

Assigning IP Addresses to an Interface.....................................................................................................................402

Configuring Static Routes.............................................................................................................................................403

Adding description for IPv4 and IPv6 static routes..........................................................................................404

Configure Static Routes for the Management Interface...................................................................................... 405

Using the Configured Source IP Address in ICMP Messages..............................................................................405

12

Contents

Configuring the Duration to Establish a TCP Connection.................................................................................... 405

Enabling Directed Broadcast........................................................................................................................................406

Resolution of Host Names............................................................................................................................................ 406

Enabling Dynamic Resolution of Host Names.......................................................................................................... 406

Specifying the Local System Domain and a List of Domains................................................................................407

Configuring DNS with Traceroute...............................................................................................................................407

ARP.................................................................................................................................................................................... 408

Configuration Tasks for ARP....................................................................................................................................... 408

Configuring Static ARP Entries................................................................................................................................... 408

Enabling Proxy ARP........................................................................................................................................................409

Clearing ARP Cache....................................................................................................................................................... 409

ARP Learning via Gratuitous ARP...............................................................................................................................409

Enabling ARP Learning via Gratuitous ARP...............................................................................................................410

ARP Learning via ARP Request....................................................................................................................................410

Configuring ARP Retries.................................................................................................................................................411

ICMP....................................................................................................................................................................................411

Configuration Tasks for ICMP.......................................................................................................................................411

Enabling ICMP Unreachable Messages.......................................................................................................................411

ICMP Redirects................................................................................................................................................................ 412

UDP Helper........................................................................................................................................................................413

Enabling UDP Helper.......................................................................................................................................................413

Configurations Using UDP Helper................................................................................................................................413

UDP Helper with Broadcast-All Addresses................................................................................................................413

UDP Helper with Subnet Broadcast Addresses....................................................................................................... 414

UDP Helper with Configured Broadcast Addresses................................................................................................415

UDP Helper with No Configured Broadcast Addresses......................................................................................... 415

Troubleshooting UDP Helper........................................................................................................................................ 415

Chapter 21: IPv6 Routing........................................................................................................... 417

Protocol Overview...........................................................................................................................................................417

Extended Address Space......................................................................................................................................... 417

Stateless Autoconfiguration.................................................................................................................................... 417

IPv6 Headers...............................................................................................................................................................418

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support............................................................... 418

IPv6 Header Fields.....................................................................................................................................................419

Extension Header Fields...........................................................................................................................................421

Addressing.................................................................................................................................................................. 422

Implementing IPv6 with Dell EMC Networking OS.................................................................................................423

ICMPv6..............................................................................................................................................................................424

Path MTU discovery...................................................................................................................................................... 425

IPv6 Neighbor Discovery...............................................................................................................................................425

IPv6 Neighbor Discovery of MTU Packets......................................................................................................... 426

Configuring the IPv6 Recursive DNS Server......................................................................................................426

Debugging IPv6 RDNSS Information Sent to the Host .................................................................................. 427

Displaying IPv6 RDNSS Information..................................................................................................................... 427

Secure Shell (SSH) Over an IPv6 Transport............................................................................................................428

Configuration Tasks for IPv6....................................................................................................................................... 428

Adjusting Your CAM-Profile....................................................................................................................................428

Assigning an IPv6 Address to an Interface......................................................................................................... 429

Assigning a Static IPv6 Route................................................................................................................................429

Contents

13

Configuring Telnet with IPv6................................................................................................................................. 430

SNMP over IPv6........................................................................................................................................................430

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

Displaying an IPv6 Interface Information............................................................................................................. 431

Showing IPv6 Routes................................................................................................................................................431

Showing the Running-Configuration for an Interface...................................................................................... 433

Clearing IPv6 Routes................................................................................................................................................433

Disabling ND Entry Timeout....................................................................................................................................433

Configuring IPv6 RA Guard.......................................................................................................................................... 434

Configuring IPv6 RA Guard on an Interface....................................................................................................... 435

Monitoring IPv6 RA Guard......................................................................................................................................435

Chapter 22: iSCSI Optimization................................................................................................. 437

iSCSI Optimization Overview....................................................................................................................................... 437

Monitoring iSCSI Traffic Flows..............................................................................................................................438

Application of Quality of Service to iSCSI Traffic Flows.................................................................................439

Information Monitored in iSCSI Traffic Flows....................................................................................................439

Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................440

Configuring Detection and Ports for Dell Compellent Arrays.........................................................................440

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................... 440

Enable and Disable iSCSI Optimization.................................................................................................................441

Default iSCSI Optimization Values...............................................................................................................................441

iSCSI Optimization Prerequisites................................................................................................................................ 442

Configuring iSCSI Optimization................................................................................................................................... 442

Displaying iSCSI Optimization Information................................................................................................................444

Chapter 23: Intermediate System to Intermediate System.........................................................446

IS-IS Protocol Overview................................................................................................................................................446

IS-IS Addressing.............................................................................................................................................................. 446

Multi-Topology IS-IS.......................................................................................................................................................447

Transition Mode.........................................................................................................................................................447

Interface Support...................................................................................................................................................... 447

Adjacencies................................................................................................................................................................. 447

Graceful Restart..............................................................................................................................................................448

Timers.......................................................................................................................................................................... 448

Implementation Information..........................................................................................................................................448

Configuration Information.............................................................................................................................................449

Configuration Tasks for IS-IS.................................................................................................................................449

Configuring the Distance of a Route....................................................................................................................456

Changing the IS-Type.............................................................................................................................................. 456

Redistributing IPv4 Routes..................................................................................................................................... 459

Redistributing IPv6 Routes.....................................................................................................................................459

Configuring Authentication Passwords............................................................................................................... 460

Setting the Overload Bit......................................................................................................................................... 460

Debugging IS-IS..........................................................................................................................................................461

IS-IS Metric Styles..........................................................................................................................................................462

Configure Metric Values................................................................................................................................................462

Maximum Values in the Routing Table.................................................................................................................462

Change the IS-IS Metric Style in One Level Only............................................................................................. 462

14

Contents

Leaks from One Level to Another......................................................................................................................... 464

Sample Configurations...................................................................................................................................................464

Chapter 24: Link Aggregation Control Protocol (LACP)............................................................. 467

Introduction to Dynamic LAGs and LACP................................................................................................................. 467

Important Points to Remember............................................................................................................................. 467

LACP Modes...............................................................................................................................................................468

Configuring LACP Commands................................................................................................................................468

LACP Configuration Tasks............................................................................................................................................468

Creating a LAG.......................................................................................................................................................... 469

Configuring the LAG Interfaces as Dynamic...................................................................................................... 469

Setting the LACP Long Timeout........................................................................................................................... 470

Monitoring and Debugging LACP.......................................................................................................................... 470

Shared LAG State Tracking..........................................................................................................................................470

Configuring Shared LAG State Tracking.............................................................................................................. 471

Important Points about Shared LAG State Tracking........................................................................................472

LACP Basic Configuration Example............................................................................................................................473

Configure a LAG on ALPHA....................................................................................................................................473

Chapter 25: Layer 2................................................................................................................... 481

Manage the MAC Address Table................................................................................................................................. 481

Clearing the MAC Address Table........................................................................................................................... 481

Setting the Aging Time for Dynamic Entries.......................................................................................................481

Configuring a Static MAC Address.......................................................................................................................482

Displaying the MAC Address Table.......................................................................................................................482

MAC Learning Limit........................................................................................................................................................482

Setting the MAC Learning Limit............................................................................................................................ 483

mac learning-limit Dynamic..................................................................................................................................... 483

mac learning-limit mac-address-sticky................................................................................................................ 483

mac learning-limit station-move............................................................................................................................ 483

mac learning-limit no-station-move......................................................................................................................484

Learning Limit Violation Actions............................................................................................................................ 484

Setting Station Move Violation Actions...............................................................................................................484

Recovering from Learning Limit and Station Move Violations.......................................................................485

Disabling MAC Address Learning on the System.............................................................................................. 485

Enabling port security.............................................................................................................................................. 485

NIC Teaming.....................................................................................................................................................................486

Configure Redundant Pairs...........................................................................................................................................487

Far-End Failure Detection.............................................................................................................................................490

FEFD State Changes.................................................................................................................................................491

Configuring FEFD.......................................................................................................................................................491

Enabling FEFD on an Interface.............................................................................................................................. 492

Debugging FEFD........................................................................................................................................................493

Chapter 26: Link Layer Discovery Protocol (LLDP).................................................................... 495

802.1AB (LLDP) Overview............................................................................................................................................495

Protocol Data Units.................................................................................................................................................. 495

Optional TLVs...................................................................................................................................................................497

Management TLVs....................................................................................................................................................497

Contents

15

TIA-1057 (LLDP-MED) Overview............................................................................................................................... 498

TIA Organizationally Specific TLVs.......................................................................................................................499

Configure LLDP...............................................................................................................................................................502

CONFIGURATION versus INTERFACE Configurations......................................................................................... 503

Enabling LLDP..................................................................................................................................................................503

Disabling and Undoing LLDP.................................................................................................................................. 503

Enabling LLDP on Management Ports.......................................................................................................................504

Disabling and Undoing LLDP on Management Ports........................................................................................504

Advertising TLVs.............................................................................................................................................................504

Storing and Viewing Unrecognized LLDP TLVs...................................................................................................... 505

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

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

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

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

Configuring LLDP Notification Interval...................................................................................................................... 510

Configuring Transmit and Receive Mode.................................................................................................................. 510

Configuring the Time to Live Value..............................................................................................................................511

Debugging LLDP.............................................................................................................................................................. 512

Relevant Management Objects....................................................................................................................................513

Chapter 27: Microsoft Network Load Balancing..........................................................................517

Configuring a Switch for NLB ..................................................................................................................................... 518

Enabling a Switch for Multicast NLB.................................................................................................................... 519

Chapter 28: Multicast Source Discovery Protocol (MSDP)........................................................ 520

Anycast RP........................................................................................................................................................................521

Implementation Information......................................................................................................................................... 522

Configure Multicast Source Discovery Protocol..................................................................................................... 522

Related Configuration Tasks.................................................................................................................................. 522

Enable MSDP................................................................................................................................................................... 526

Manage the Source-Active Cache..............................................................................................................................527

Viewing the Source-Active Cache........................................................................................................................ 527

Limiting the Source-Active Cache........................................................................................................................ 527

Clearing the Source-Active Cache....................................................................................................................... 528

Enabling the Rejected Source-Active Cache..................................................................................................... 528

Accept Source-Active Messages that Fail the RFP Check.................................................................................. 528

Specifying Source-Active Messages.......................................................................................................................... 531

Limiting the Source-Active Messages from a Peer................................................................................................532

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

Preventing MSDP from Caching a Remote Source................................................................................................533

Preventing MSDP from Advertising a Local Source.............................................................................................. 533

Logging Changes in Peership States......................................................................................................................... 534

Terminating a Peership..................................................................................................................................................534

Clearing Peer Statistics................................................................................................................................................. 534

Debugging MSDP............................................................................................................................................................535

MSDP with Anycast RP.................................................................................................................................................535

Configuring Anycast RP................................................................................................................................................ 536

Reducing Source-Active Message Flooding....................................................................................................... 537

Specifying the RP Address Used in SA Messages............................................................................................ 537

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Contents

MSDP Sample Configurations......................................................................................................................................539

Chapter 29: Multicast Listener Discovery Protocol.................................................................... 542

MLD timers.......................................................................................................................................................................545

Reducing Host Response Burstiness....................................................................................................................545

Configuring MLD Version..............................................................................................................................................546

Clearing MLD groups..................................................................................................................................................... 546

Debugging MLD...............................................................................................................................................................546

Explicit Tracking..............................................................................................................................................................546

Reducing Leave Latency............................................................................................................................................... 546

Displaying MLD groups table........................................................................................................................................547

Displaying MLD Interfaces............................................................................................................................................ 547

Chapter 30: Multiple Spanning Tree Protocol (MSTP)............................................................... 548

Spanning Tree Variations.............................................................................................................................................. 549

Implementation Information....................................................................................................................................549

Configure Multiple Spanning Tree Protocol............................................................................................................. 549

Related Configuration Tasks.................................................................................................................................. 549

Enable Multiple Spanning Tree Globally.................................................................................................................... 550

Adding and Removing Interfaces................................................................................................................................550

Creating Multiple Spanning Tree Instances..............................................................................................................550

Influencing MSTP Root Selection...............................................................................................................................552

Interoperate with Non-Dell Bridges............................................................................................................................552

Changing the Region Name or Revision....................................................................................................................552

Modifying Global Parameters.......................................................................................................................................553

Modifying the Interface Parameters.......................................................................................................................... 554

Setting STP path cost as constant............................................................................................................................ 555

Configuring an EdgePort.............................................................................................................................................. 555

Flush MAC Addresses after a Topology Change.................................................................................................... 556

MSTP Sample Configurations......................................................................................................................................556

Debugging and Verifying MSTP Configurations......................................................................................................560

Chapter 31: Multicast Features..................................................................................................562

Enabling IP Multicast..................................................................................................................................................... 562

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

Multicast Policies............................................................................................................................................................ 563

IPv4 Multicast Policies.............................................................................................................................................563

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

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

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

mtrace Scenarios............................................................................................................................................................ 573

Chapter 32: Multicast Listener Discovery Protocol.................................................................... 579

MLD timers.......................................................................................................................................................................582

Reducing Host Response Burstiness....................................................................................................................582

Clearing MLD groups..................................................................................................................................................... 583

Debugging MLD...............................................................................................................................................................583

Explicit Tracking.............................................................................................................................................................. 583

Reducing Leave Latency............................................................................................................................................... 583

Contents

17

Displaying MLD groups table........................................................................................................................................583

Displaying MLD Interfaces............................................................................................................................................ 584

MLD Snooping................................................................................................................................................................. 584

Enable MLD Snooping..............................................................................................................................................584

Disable MLD Snooping............................................................................................................................................. 584

Configure the switch as a querier.........................................................................................................................585

Specify port as connected to multicast router..................................................................................................585

Enable Snooping Explicit Tracking........................................................................................................................585

Display the MLD Snooping Table.......................................................................................................................... 585

Chapter 33: Multicast Listener Discovery Protocol....................................................................586

MLD timers.......................................................................................................................................................................589

Reducing Host Response Burstiness....................................................................................................................589

Clearing MLD groups..................................................................................................................................................... 590

Debugging MLD...............................................................................................................................................................590

Explicit Tracking..............................................................................................................................................................590

Reducing Leave Latency...............................................................................................................................................590

Displaying MLD groups table........................................................................................................................................590

Displaying MLD Interfaces.............................................................................................................................................591

MLD Snooping..................................................................................................................................................................591

Enable MLD Snooping...............................................................................................................................................591

Disable MLD Snooping..............................................................................................................................................591

Configure the switch as a querier.........................................................................................................................592

Specify port as connected to multicast router..................................................................................................592

Enable Snooping Explicit Tracking........................................................................................................................ 592

Display the MLD Snooping Table.......................................................................................................................... 592

Chapter 34: Object Tracking......................................................................................................593

Object Tracking Overview............................................................................................................................................ 593

Track Layer 2 Interfaces......................................................................................................................................... 594

Track Layer 3 Interfaces......................................................................................................................................... 594

Track IPv4 and IPv6 Routes...................................................................................................................................595

Set Tracking Delays..................................................................................................................................................596

VRRP Object Tracking.............................................................................................................................................596

Object Tracking Configuration.................................................................................................................................... 596

Tracking a Layer 2 Interface.................................................................................................................................. 596

Tracking a Layer 3 Interface...................................................................................................................................597

Track an IPv4/IPv6 Route...................................................................................................................................... 598

Displaying Tracked Objects...........................................................................................................................................601

Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 604

Protocol Overview..........................................................................................................................................................604

Autonomous System (AS) Areas...........................................................................................................................604

Area Types..................................................................................................................................................................605

Networks and Neighbors.........................................................................................................................................606

Router Types..............................................................................................................................................................606

Designated and Backup Designated Routers..................................................................................................... 607

Link-State Advertisements (LSAs).......................................................................................................................607

Router Priority and Cost......................................................................................................................................... 608

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Contents

OSPF with Dell EMC Networking OS........................................................................................................................ 609

Graceful Restart........................................................................................................................................................609

Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................. 610

Multi-Process OSPFv2 with VRF........................................................................................................................... 611

RFC-2328 Compliant OSPF Flooding.................................................................................................................... 611

OSPF ACK Packing....................................................................................................................................................612

Setting OSPF Adjacency with Cisco Routers..................................................................................................... 612

Configuration Information..............................................................................................................................................613

Configuration Task List for OSPFv2 (OSPF for IPv4)......................................................................................613

OSPFv3 NSSA................................................................................................................................................................. 625

Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................... 626

Enabling IPv6 Unicast Routing...............................................................................................................................626

Applying cost for OSPFv3...................................................................................................................................... 626

Assigning IPv6 Addresses on an Interface.......................................................................................................... 627

Assigning Area ID on an Interface......................................................................................................................... 627

Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................627

Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................628

Configuring Stub Areas............................................................................................................................................628

Configuring Passive-Interface............................................................................................................................... 628

Redistributing Routes...............................................................................................................................................629

Configuring a Default Route...................................................................................................................................629

Enabling OSPFv3 Graceful Restart...................................................................................................................... 629

OSPFv3 Authentication Using IPsec.....................................................................................................................631

Troubleshooting OSPFv3........................................................................................................................................ 637

MIB Support for OSPFv3..............................................................................................................................................638

Viewing the OSPFv3 MIB........................................................................................................................................638

Chapter 36: Policy-based Routing (PBR)...................................................................................640

Overview...........................................................................................................................................................................640

Implementing PBR........................................................................................................................................................... 641

Configuration Task List for Policy-based Routing................................................................................................... 641

Create a Redirect List.............................................................................................................................................. 642

Create a Rule for a Redirect-list............................................................................................................................642

Apply a Redirect-list to an Interface using a Redirect-group.........................................................................644

Sample Configuration.....................................................................................................................................................646

Chapter 37: PIM Sparse-Mode (PIM-SM).................................................................................. 650

Implementation Information......................................................................................................................................... 650

Protocol Overview..........................................................................................................................................................650

Requesting Multicast Traffic..................................................................................................................................650

Refuse Multicast Traffic.......................................................................................................................................... 651

Send Multicast Traffic..............................................................................................................................................651

Configuring PIM-SM.......................................................................................................................................................651

Related Configuration Tasks.................................................................................................................................. 652

Enable PIM-SM............................................................................................................................................................... 652

Configuring S,G Expiry Timers.....................................................................................................................................654

Configuring a Static Rendezvous Point.................................................................................................................... 654

Overriding Bootstrap Router Updates.................................................................................................................655

Configuring a Designated Router................................................................................................................................655

Contents

19

Creating Multicast Boundaries and Domains............................................................................................................657

Electing an RP using the BSR Mechanism................................................................................................................657

Chapter 38: PIM Source-Specific Mode (PIM-SSM).................................................................. 659

Implementation Information......................................................................................................................................... 659

Configure PIM-SSM.......................................................................................................................................................659

Enabling PIM-SSM......................................................................................................................................................... 660

Use PIM-SSM with IGMP Version 2 Hosts.............................................................................................................. 660

Electing an RP using the BSR Mechanism................................................................................................................ 661

Enabling RP to Server Specific Multicast Groups.............................................................................................663

Chapter 39: Port Monitoring..................................................................................................... 664

Important Points to Remember...................................................................................................................................664

Port Monitoring...............................................................................................................................................................665

Configuring Port Monitoring........................................................................................................................................ 666

Configuring Monitor Multicast Queue........................................................................................................................667

Enabling Flow-Based Monitoring................................................................................................................................ 668

Configuring IPv6 Flow-Based Mirroring....................................................................................................................669

Enabling IPv6 Flow-Based Monitoring.................................................................................................................669

Remote Port Mirroring...................................................................................................................................................670

Remote Port Mirroring Example.............................................................................................................................671

Configuring Remote Port Mirroring.......................................................................................................................671

Displaying Remote-Port Mirroring Configurations............................................................................................ 673

Configuration procedure for Remote Port Mirroring........................................................................................673

Encapsulated Remote Port Monitoring..................................................................................................................... 678

ERPM Behavior on a typical Dell EMC Networking OS ....................................................................................... 680

Port Monitoring on VLT................................................................................................................................................. 681

Chapter 40: Private VLANs (PVLAN)......................................................................................... 684

Private VLAN Concepts................................................................................................................................................ 684

Using the Private VLAN Commands.......................................................................................................................... 685

Configuration Task List................................................................................................................................................. 686

Creating PVLAN ports............................................................................................................................................. 686

Creating a Primary VLAN........................................................................................................................................686

Creating a Community VLAN................................................................................................................................. 687

Creating an Isolated VLAN......................................................................................................................................688

Private VLAN Configuration Example........................................................................................................................689

Inspecting the Private VLAN Configuration.............................................................................................................690

Chapter 41: Per-VLAN Spanning Tree Plus (PVST+).................................................................. 692

Protocol Overview..........................................................................................................................................................692

Implementation Information......................................................................................................................................... 693

Configure Per-VLAN Spanning Tree Plus................................................................................................................. 694

Enabling PVST+...............................................................................................................................................................694

Disabling PVST+..............................................................................................................................................................694

Influencing PVST+ Root Selection............................................................................................................................. 695

Modifying Global PVST+ Parameters........................................................................................................................ 696

Modifying Interface PVST+ Parameters................................................................................................................... 696

Configuring an EdgePort...............................................................................................................................................697

20

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