Dell PowerSwitch S3048-ON Administrator Guide

Dell EMC Configuration Guide for the S3048–

ON System

9.14.2.6

Notes, cautions, and warnings

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

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

problem.

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

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2020 - 03

Rev. A00

1 About this Guide......................................................................................................................... 30

Audience............................................................................................................................................................................... 30

Conventions......................................................................................................................................................................... 30

Related Documents.............................................................................................................................................................30

2 Configuration Fundamentals........................................................................................................ 31

Accessing the Command Line............................................................................................................................................ 31

CLI Modes............................................................................................................................................................................. 31

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

The do Command................................................................................................................................................................35

Undoing Commands............................................................................................................................................................36

Obtaining Help..................................................................................................................................................................... 36

Entering and Editing Commands....................................................................................................................................... 36

Command History................................................................................................................................................................37

Filtering show Command Outputs.....................................................................................................................................37

Multiple Users in Configuration Mode.............................................................................................................................. 39

3 Getting Started..........................................................................................................................40

Console Access....................................................................................................................................................................40

Serial Console.................................................................................................................................................................40

Accessing the CLI Interface and Running Scripts Using SSH........................................................................................41

Default Configuration..........................................................................................................................................................42

Configuring a Host Name................................................................................................................................................... 42

Accessing the System Remotely.......................................................................................................................................42

Configure the Management Port IP Address.............................................................................................................42

Configure a Management Route................................................................................................................................. 43

Configuring a Username and Password......................................................................................................................43

Configuring the Enable Password..................................................................................................................................... 44

Configuration File Management........................................................................................................................................ 44

Copy Files to and from the System.............................................................................................................................44

Mounting an NFS File System..................................................................................................................................... 45

Save the Running-Configuration................................................................................................................................. 46

Configure the Overload Bit for a Startup Scenario................................................................................................... 47

Viewing Files................................................................................................................................................................... 47

Compressing Configuration Files................................................................................................................................. 48

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

Enabling Software Features on Devices Using a Command Option.............................................................................50

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

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

Verify Software Images Before Installation......................................................................................................................52

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

4 Management..............................................................................................................................55

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

Contents

Contents 3

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

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

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

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

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

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

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

Display the Logging Buffer and the Logging Configuration.....................................................................................60

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

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

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

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

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

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

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

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

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

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

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

Log Messages in the Internal Buffer.................................................................................................................................66

Disabling System Logging...................................................................................................................................................66

Sending System Messages to a Syslog Server............................................................................................................... 66

Configuring a UNIX System as a Syslog Server........................................................................................................ 66

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

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

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

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

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

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

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

Configuring FTP Server Parameters...........................................................................................................................72

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

Terminal Lines...................................................................................................................................................................... 73

Denying and Permitting Access to a Terminal Line................................................................................................... 73

Configuring Login Authentication for Terminal Lines................................................................................................74

Setting Timeout for EXEC Privilege Mode.......................................................................................................................75

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

Lock CONFIGURATION Mode.......................................................................................................................................... 76

LPC Bus Quality Degradation.............................................................................................................................................77

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

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

5 802.1X....................................................................................................................................... 79

Port-Authentication Process............................................................................................................................................. 80

EAP over RADIUS.......................................................................................................................................................... 81

Configuring 802.1X...............................................................................................................................................................81

Important Points to Remember.........................................................................................................................................82

Configuring dot1x Profile ................................................................................................................................................... 82

4

Contents

Configuring MAC addresses for a do1x Profile................................................................................................................82

Configuring the Static MAB and MAB Profile ................................................................................................................ 83

Configuring Critical VLAN ................................................................................................................................................. 83

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

Configuring Request Identity Re-Transmissions............................................................................................................. 86

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

Forcibly Authorizing or Unauthorizing a Port...................................................................................................................87

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

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

Configuring Dynamic VLAN Assignment with Port Authentication..............................................................................89

Guest and Authentication-Fail VLANs..............................................................................................................................90

Configuring a Guest VLAN............................................................................................................................................91

Configuring an Authentication-Fail VLAN................................................................................................................... 91

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)..........................93

Optimizing CAM Utilization During the Attachment of ACLs to VLANs......................................................................93

Guidelines for Configuring ACL VLAN Groups................................................................................................................ 93

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters................................................... 94

Configuring ACL VLAN Groups................................................................................................................................... 94

Configuring FP Blocks for VLAN Parameters............................................................................................................95

Viewing CAM Usage........................................................................................................................................................... 95

Allocating FP Blocks for VLAN Processes....................................................................................................................... 97

7 Access Control Lists (ACLs)........................................................................................................98

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

CAM Usage.................................................................................................................................................................... 99

Implementing ACLs on Dell EMC Networking OS................................................................................................... 100

Important Points to Remember........................................................................................................................................ 101

Configuration Task List for Route Maps....................................................................................................................101

Configuring Match Routes..........................................................................................................................................103

Configuring Set Conditions.........................................................................................................................................104

Configure a Route Map for Route Redistribution....................................................................................................105

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

Continue Clause........................................................................................................................................................... 106

IP Fragment Handling........................................................................................................................................................106

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

Layer 4 ACL Rules Examples...................................................................................................................................... 107

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

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

Configure an Extended IP ACL........................................................................................................................................ 109

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

Configuring Filters Without a Sequence Number.....................................................................................................110

Configure Layer 2 and Layer 3 ACLs................................................................................................................................ 111

Assign an IP ACL to an Interface.......................................................................................................................................111

Applying an IP ACL.............................................................................................................................................................. 111

Counting ACL Hits........................................................................................................................................................ 112

Configure Ingress ACLs..................................................................................................................................................... 112

Configure Egress ACLs...................................................................................................................................................... 113

Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................................ 114

Contents

5

IP Prefix Lists.......................................................................................................................................................................114

Configuration Task List for Prefix Lists......................................................................................................................115

ACL Remarks.......................................................................................................................................................................117

Configuring a Remark...................................................................................................................................................118

Deleting a Remark.........................................................................................................................................................118

ACL Resequencing............................................................................................................................................................. 119

Resequencing an ACL or Prefix List...........................................................................................................................119

Route Maps........................................................................................................................................................................ 120

Logging of ACL Processes............................................................................................................................................... 120

Guidelines for Configuring ACL Logging.................................................................................................................... 121

Configuring ACL Logging............................................................................................................................................ 122

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

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

8 Bidirectional Forwarding Detection (BFD)................................................................................... 125

How BFD Works.................................................................................................................................................................125

BFD Packet Format..................................................................................................................................................... 126

BFD Sessions................................................................................................................................................................ 127

BFD Three-Way Handshake....................................................................................................................................... 128

Session State Changes................................................................................................................................................129

Important Points to Remember....................................................................................................................................... 129

Configure BFD....................................................................................................................................................................129

Configure BFD for Physical Ports..............................................................................................................................130

Configure BFD for Static Routes................................................................................................................................131

Configure BFD for IPv6 Static Routes...................................................................................................................... 134

Configure BFD for OSPF............................................................................................................................................ 136

Configure BFD for OSPFv3........................................................................................................................................ 138

Configure BFD for IS-IS............................................................................................................................................... 141

Configure BFD for BGP...............................................................................................................................................143

Configure BFD for VRRP............................................................................................................................................ 150

Configuring Protocol Liveness....................................................................................................................................152

9 Border Gateway Protocol (BGP).................................................................................................153

BGP IP version 4 (BGPv4) Overview..............................................................................................................................153

BGP Autonomous Systems.........................................................................................................................................153

AS4 Number Representation......................................................................................................................................155

Four-Byte AS Numbers............................................................................................................................................... 157

BGP router ID............................................................................................................................................................... 157

Sessions and Peers...................................................................................................................................................... 157

Establish a Session.......................................................................................................................................................157

BGP Attributes for selecting Best Path....................................................................................................................158

Multiprotocol BGP....................................................................................................................................................... 163

BGP global and address family configuration........................................................................................................... 164

Implement BGP with Dell EMC Networking OS...................................................................................................... 165

Configuration Information........................................................................................................................................... 168

Basic BGP configuration tasks.........................................................................................................................................168

Prerequisite for configuring a BGP network.............................................................................................................168

Restrictions................................................................................................................................................................... 168

Enabling BGP................................................................................................................................................................168

6

Contents

Enabling four-byte autonomous system numbers................................................................................................... 170

Changing a BGP router ID............................................................................................................................................171

Configuring AS4 Number Representations................................................................................................................171

Configuring a BGP peer...............................................................................................................................................172

Example-Configuring BGP routing between peers..................................................................................................173

BGP peer group............................................................................................................................................................174

Advanced BGP configuration tasks..................................................................................................................................181

Route-refresh and Soft-reconfiguration....................................................................................................................181

Aggregating Routes..................................................................................................................................................... 183

Filtering BGP.................................................................................................................................................................185

Configuring BGP Fast Fall-Over.................................................................................................................................190

Configuring Passive Peering........................................................................................................................................191

Enabling Graceful Restart........................................................................................................................................... 192

Redistributing Routes.................................................................................................................................................. 193

Enabling Additional Paths............................................................................................................................................193

Configuring IP Community Lists.................................................................................................................................194

Configuring an IP Extended Community List............................................................................................................195

Configure BGP attributes........................................................................................................................................... 196

Enabling Multipath....................................................................................................................................................... 199

Route Reflectors......................................................................................................................................................... 200

Enabling Route Flap Dampening.................................................................................................................................201

Changing BGP keepalive and hold timers................................................................................................................ 203

Setting the extended timer........................................................................................................................................203

Enabling or disabling BGP neighbors........................................................................................................................ 204

Route Map Continue...................................................................................................................................................205

Configuring BGP Confederations..............................................................................................................................205

Configuring a BGP VRF address family....................................................................................................................206

Maintaining Existing AS Numbers During an AS Migration....................................................................................207

Allowing an AS Number to Appear in its Own AS Path..........................................................................................208

Enabling MBGP Configurations.................................................................................................................................209

MBGP support for IPv6..............................................................................................................................................209

Configuring IPv6 MBGP between peers..................................................................................................................209

Example-Configuring IPv4 and IPv6 neighbors........................................................................................................210

Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor............................................. 212

BGP Regular Expression Optimization...................................................................................................................... 213

Debugging BGP............................................................................................................................................................ 214

10 Content Addressable Memory (CAM)........................................................................................ 216

CAM Allocation...................................................................................................................................................................216

Test CAM Usage................................................................................................................................................................217

View CAM-ACL Settings.................................................................................................................................................. 218

View CAM Usage...............................................................................................................................................................219

Configuring CAM Threshold and Silence Period........................................................................................................... 220

CAM Optimization..............................................................................................................................................................221

Troubleshoot CAM Profiling............................................................................................................................................. 221

QoS CAM Region Limitation.......................................................................................................................................221

11 Control Plane Policing (CoPP).................................................................................................. 222

Configure Control Plane Policing.....................................................................................................................................223

Contents

7

Configuring CoPP for Protocols................................................................................................................................224

Configuring CoPP for CPU Queues..........................................................................................................................225

CoPP for OSPFv3 Packets........................................................................................................................................226

Configuring CoPP for OSPFv3..................................................................................................................................228

Displaying CoPP Configuration .................................................................................................................................229

12 Dynamic Host Configuration Protocol (DHCP)........................................................................... 231

DHCP Packet Format and Options..................................................................................................................................231

Assign an IP Address using DHCP.................................................................................................................................. 232

Implementation Information............................................................................................................................................. 233

Configure the System to be a DHCP Server.................................................................................................................234

Configuring the Server for Automatic Address Allocation..................................................................................... 234

Specifying a Default Gateway................................................................................................................................... 235

Configure a Method of Hostname Resolution.........................................................................................................235

Using DNS for Address Resolution........................................................................................................................... 235

Using NetBIOS WINS for Address Resolution.........................................................................................................236

Creating Manual Binding Entries............................................................................................................................... 236

Debugging the DHCP Server.....................................................................................................................................236

Using DHCP Clear Commands.................................................................................................................................. 236

Configure the System to be a Relay Agent....................................................................................................................237

Configure the System to be a DHCP Client.................................................................................................................. 238

Configuring the DHCP Client System.......................................................................................................................238

DHCP Client on a Management Interface................................................................................................................239

DHCP Client Operation with Other Features.......................................................................................................... 240

DHCP Relay When DHCP Server and Client are in Different VRFs............................................................................241

Configuring Route Leaking between VRFs on DHCP Relay Agent....................................................................... 241

Non-default VRF configuration for DHCPv6 helper address...................................................................................... 242

Configuring DHCP relay source interface...................................................................................................................... 242

Global DHCP relay source IPv4 or IPv6 configuration ...........................................................................................242

Interface level DHCP relay source IPv4 or IPv6 configuration .............................................................................243

Configure the System for User Port Stacking (Option 230)...................................................................................... 244

Configure Secure DHCP.................................................................................................................................................. 244

Option 82 (DHCPv4 relay options)........................................................................................................................... 244

DHCPv6 relay agent options..................................................................................................................................... 245

DHCP Snooping...........................................................................................................................................................245

Drop DHCP Packets on Snooped VLANs Only....................................................................................................... 249

Dynamic ARP Inspection............................................................................................................................................ 250

Configuring Dynamic ARP Inspection.......................................................................................................................250

Source Address Validation................................................................................................................................................ 251

Enabling IP Source Address Validation......................................................................................................................251

DHCP MAC Source Address Validation................................................................................................................... 252

Enabling IP+MAC Source Address Validation..........................................................................................................252

Viewing the Number of SAV Dropped Packets.......................................................................................................253

Clearing the Number of SAV Dropped Packets...................................................................................................... 253

13 Equal Cost Multi-Path (ECMP).................................................................................................254

ECMP for Flow-Based Affinity........................................................................................................................................254

Configuring the Hash Algorithm................................................................................................................................ 254

Enabling Deterministic ECMP Next Hop..................................................................................................................254

8

Contents

Configuring the Hash Algorithm Seed...................................................................................................................... 254

Link Bundle Monitoring.....................................................................................................................................................255

Managing ECMP Group Paths.................................................................................................................................. 255

Creating an ECMP Group Bundle............................................................................................................................. 256

Modifying the ECMP Group Threshold....................................................................................................................256

14 FIPS Cryptography..................................................................................................................257

Configuration Tasks.......................................................................................................................................................... 257

Preparing the System....................................................................................................................................................... 257

Enabling FIPS Mode..........................................................................................................................................................257

Generating Host-Keys...................................................................................................................................................... 258

Monitoring FIPS Mode Status.........................................................................................................................................258

Disabling FIPS Mode.........................................................................................................................................................258

15 Force10 Resilient Ring Protocol (FRRP)....................................................................................260

Protocol Overview............................................................................................................................................................ 260

Ring Status....................................................................................................................................................................261

Multiple FRRP Rings.................................................................................................................................................... 261

Important FRRP Points...............................................................................................................................................262

Important FRRP Concepts.........................................................................................................................................263

Implementing FRRP.......................................................................................................................................................... 263

FRRP Configuration..........................................................................................................................................................264

Creating the FRRP Group.......................................................................................................................................... 264

Configuring the Control VLAN...................................................................................................................................264

Configuring and Adding the Member VLANs.......................................................................................................... 265

Setting the FRRP Timers........................................................................................................................................... 266

Clearing the FRRP Counters......................................................................................................................................266

Viewing the FRRP Configuration.............................................................................................................................. 266

Viewing the FRRP Information.................................................................................................................................. 266

Troubleshooting FRRP......................................................................................................................................................267

Sample Configuration and Topology...............................................................................................................................267

FRRP Support on VLT......................................................................................................................................................268

16 GARP VLAN Registration Protocol (GVRP)................................................................................ 271

Configure GVRP................................................................................................................................................................ 272

Enabling GVRP Globally.................................................................................................................................................... 272

Enabling GVRP on a Layer 2 Interface........................................................................................................................... 273

Configure GVRP Registration..........................................................................................................................................273

Configure a GARP Timer.................................................................................................................................................. 274

RPM Redundancy..............................................................................................................................................................274

17 High Availability (HA)...............................................................................................................275

Component Redundancy..................................................................................................................................................275

Automatic and Manual Stack Unit Failover..............................................................................................................275

Synchronization between Management and Standby Units..................................................................................276

Forcing a Stack Unit Failover.....................................................................................................................................276

Specifying an Auto-Failover Limit..............................................................................................................................276

Disabling Auto-Reboot................................................................................................................................................ 276

Pre-Configuring a Stack Unit Slot...................................................................................................................................277

Contents

9

Removing a Provisioned Logical Stack Unit...................................................................................................................277

Hitless Behavior................................................................................................................................................................. 277

Graceful Restart................................................................................................................................................................ 277

Software Resiliency...........................................................................................................................................................278

Software Component Health Monitoring.................................................................................................................278

System Health Monitoring..........................................................................................................................................278

Failure and Event Logging.......................................................................................................................................... 278

Hot-Lock Behavior............................................................................................................................................................ 279

18 Internet Group Management Protocol (IGMP)........................................................................... 280

IGMP Protocol Overview................................................................................................................................................. 280

IGMP Version 2............................................................................................................................................................280

IGMP Version 3............................................................................................................................................................ 281

Configure IGMP.................................................................................................................................................................284

Viewing IGMP Enabled Interfaces...................................................................................................................................284

Selecting an IGMP Version.............................................................................................................................................. 285

Viewing IGMP Groups...................................................................................................................................................... 286

Adjusting Timers................................................................................................................................................................286

Adjusting Query and Response Timers.....................................................................................................................286

Preventing a Host from Joining a Group........................................................................................................................287

Enabling IGMP Immediate-Leave....................................................................................................................................289

IGMP Snooping................................................................................................................................................................. 290

Configuring IGMP Snooping...................................................................................................................................... 290

Removing a Group-Port Association........................................................................................................................ 290

Disabling Multicast Flooding....................................................................................................................................... 291

Specifying a Port as Connected to a Multicast Router...........................................................................................291

Configuring the Switch as Querier.............................................................................................................................291

Fast Convergence after MSTP Topology Changes......................................................................................................292

Egress Interface Selection (EIS) for HTTP and IGMP Applications...........................................................................292

Designating a Multicast Router Interface...................................................................................................................... 298

19 Interfaces...............................................................................................................................299

Interface Types................................................................................................................................................................. 300

View Basic Interface Information....................................................................................................................................300

Resetting an Interface to its Factory Default State..................................................................................................... 302

Enabling a Physical Interface........................................................................................................................................... 302

Enabling Energy Efficient Ethernet.................................................................................................................................302

View EEE Information.......................................................................................................................................................303

Clear EEE Counters...........................................................................................................................................................307

Physical Interfaces............................................................................................................................................................ 307

Configuration Task List for Physical Interfaces.......................................................................................................308

Overview of Layer Modes..........................................................................................................................................308

Configuring Layer 2 (Data Link) Mode.....................................................................................................................308

Configuring Layer 2 (Interface) Mode......................................................................................................................309

Configuring Layer 3 (Network) Mode...................................................................................................................... 309

Configuring Layer 3 (Interface) Mode......................................................................................................................309

Automatic recovery of an Err-disabled interface...........................................................................................................310

Configuring an automatic recovery for an Err-disabled interface......................................................................... 310

Egress Interface Selection (EIS).......................................................................................................................................311

10

Contents

Configuring EIS..............................................................................................................................................................311

Management Interfaces....................................................................................................................................................312

Configuring Management Interfaces.........................................................................................................................312

Configuring a Management Interface on an Ethernet Port....................................................................................313

VLAN Interfaces.................................................................................................................................................................314

Loopback Interfaces.......................................................................................................................................................... 314

Null Interfaces.................................................................................................................................................................... 315

Configuring Port Delay...................................................................................................................................................... 315

Port Channel Interfaces.................................................................................................................................................... 315

Port Channel Definition and Standards.....................................................................................................................315

Port Channel Benefits................................................................................................................................................. 316

Port Channel Implementation.....................................................................................................................................316

Interfaces in Port Channels........................................................................................................................................ 316

Configuration Tasks for Port Channel Interfaces.................................................................................................... 316

Creating a Port Channel.............................................................................................................................................. 317

Adding a Physical Interface to a Port Channel......................................................................................................... 317

Reassigning an Interface to a New Port Channel.................................................................................................... 319

Configuring the Minimum Oper Up Links in a Port Channel...................................................................................319

Adding or Removing a Port Channel from a VLAN..................................................................................................319

Assigning an IP Address to a Port Channel..............................................................................................................320

Deleting or Disabling a Port Channel......................................................................................................................... 321

Load Balancing Through Port Channels....................................................................................................................321

Changing the Hash Algorithm.....................................................................................................................................321

Bulk Configuration.............................................................................................................................................................322

Interface Range........................................................................................................................................................... 322

Bulk Configuration Examples..................................................................................................................................... 322

Defining Interface Range Macros....................................................................................................................................324

Define the Interface Range........................................................................................................................................ 324

Choosing an Interface-Range Macro........................................................................................................................324

Monitoring and Maintaining Interfaces...........................................................................................................................324

Maintenance Using TDR.............................................................................................................................................325

Configuring wavelength for 10–Gigabit SFP+ optics...................................................................................................326

Link Dampening................................................................................................................................................................. 326

Enabling Link Dampening............................................................................................................................................329

Link Bundle Monitoring.....................................................................................................................................................330

Using Ethernet Pause Frames for Flow Control........................................................................................................... 330

Enabling Pause Frames................................................................................................................................................331

Configure the MTU Size on an Interface........................................................................................................................331

Port-Pipes.......................................................................................................................................................................... 332

Auto-Negotiation on Ethernet Interfaces...................................................................................................................... 332

Setting the Speed of Ethernet Interfaces................................................................................................................332

Set Auto-Negotiation Options................................................................................................................................... 333

View Advanced Interface Information............................................................................................................................ 334

Configuring the Interface Sampling Size..................................................................................................................335

Configuring the Traffic Sampling Size Globally............................................................................................................. 336

Dynamic Counters............................................................................................................................................................. 337

Clearing Interface Counters....................................................................................................................................... 337

Discard Counters...............................................................................................................................................................338

Display discard counters.............................................................................................................................................338

Contents

11

20 Internet Protocol Security (IPSec)...........................................................................................340

Configuring IPSec ............................................................................................................................................................ 340

21 IPv4 Routing........................................................................................................................... 342

IP Addresses...................................................................................................................................................................... 343

Configuration Tasks for IP Addresses............................................................................................................................ 343

Assigning IP Addresses to an Interface.......................................................................................................................... 343

Configuring Static Routes................................................................................................................................................344

Adding description for IPv4 and IPv6 static routes................................................................................................ 345

Configure Static Routes for the Management Interface.............................................................................................345

IPv4 Path MTU Discovery Overview..............................................................................................................................346

Using the Configured Source IP Address in ICMP Messages.....................................................................................346

Configuring the Duration to Establish a TCP Connection............................................................................................347

Enabling Directed Broadcast............................................................................................................................................347

Resolution of Host Names................................................................................................................................................347

Enabling Dynamic Resolution of Host Names................................................................................................................348

Specifying the Local System Domain and a List of Domains.......................................................................................348

Configuring DNS with Traceroute...................................................................................................................................348

ARP..................................................................................................................................................................................... 349

Configuration Tasks for ARP........................................................................................................................................... 349

Configuring Static ARP Entries....................................................................................................................................... 349

Enabling Proxy ARP.......................................................................................................................................................... 350

Clearing ARP Cache......................................................................................................................................................... 350

ARP Learning via Gratuitous ARP...................................................................................................................................350

Enabling ARP Learning via Gratuitous ARP....................................................................................................................351

ARP Learning via ARP Request....................................................................................................................................... 351

Configuring ARP Retries.................................................................................................................................................. 352

ICMP...................................................................................................................................................................................352

Configuration Tasks for ICMP.........................................................................................................................................352

Enabling ICMP Unreachable Messages..........................................................................................................................352

ICMP Redirects................................................................................................................................................................. 353

UDP Helper........................................................................................................................................................................ 353

Enabling UDP Helper.........................................................................................................................................................354

Configurations Using UDP Helper...................................................................................................................................354

UDP Helper with Broadcast-All Addresses....................................................................................................................354

UDP Helper with Subnet Broadcast Addresses............................................................................................................355

UDP Helper with Configured Broadcast Addresses.....................................................................................................355

UDP Helper with No Configured Broadcast Addresses...............................................................................................356

Troubleshooting UDP Helper...........................................................................................................................................356

22 IPv6 Routing.......................................................................................................................... 357

Protocol Overview............................................................................................................................................................ 357

Extended Address Space........................................................................................................................................... 357

Stateless Autoconfiguration.......................................................................................................................................357

IPv6 Headers................................................................................................................................................................358

IPv6 Header Fields...................................................................................................................................................... 358

Extension Header Fields............................................................................................................................................. 360

Addressing.....................................................................................................................................................................361

12

Contents

Implementing IPv6 with Dell EMC Networking OS....................................................................................................... 361

ICMPv6...............................................................................................................................................................................363

Path MTU discovery.........................................................................................................................................................363

IPv6 Neighbor Discovery..................................................................................................................................................364

IPv6 Neighbor Discovery of MTU Packets..............................................................................................................365

Configuration Task List for IPv6 RDNSS....................................................................................................................... 365

Configuring the IPv6 Recursive DNS Server...........................................................................................................365

Debugging IPv6 RDNSS Information Sent to the Host ........................................................................................ 366

Displaying IPv6 RDNSS Information......................................................................................................................... 366

Secure Shell (SSH) Over an IPv6 Transport................................................................................................................. 367

Configuration Tasks for IPv6........................................................................................................................................... 367

Adjusting Your CAM-Profile....................................................................................................................................... 367

Assigning an IPv6 Address to an Interface.............................................................................................................. 368

Assigning a Static IPv6 Route....................................................................................................................................368

Configuring Telnet with IPv6..................................................................................................................................... 369

SNMP over IPv6..........................................................................................................................................................369

Displaying IPv6 Information........................................................................................................................................369

Displaying an IPv6 Interface Information..................................................................................................................370

Showing IPv6 Routes..................................................................................................................................................370

Showing the Running-Configuration for an Interface............................................................................................. 371

Clearing IPv6 Routes...................................................................................................................................................372

Disabling ND Entry Timeout....................................................................................................................................... 372

Configuring IPv6 RA Guard..............................................................................................................................................372

Configuring IPv6 RA Guard on an Interface.............................................................................................................374

Monitoring IPv6 RA Guard......................................................................................................................................... 374

23 Intermediate System to Intermediate System............................................................................375

IS-IS Protocol Overview...................................................................................................................................................375

IS-IS Addressing................................................................................................................................................................ 375

Multi-Topology IS-IS......................................................................................................................................................... 376

Transition Mode...........................................................................................................................................................376

Interface Support........................................................................................................................................................ 376

Adjacencies...................................................................................................................................................................376

Graceful Restart................................................................................................................................................................ 377

Timers............................................................................................................................................................................377

Implementation Information............................................................................................................................................. 377

Configuration Information................................................................................................................................................ 378

Configuration Tasks for IS-IS.....................................................................................................................................378

Configuring the Distance of a Route........................................................................................................................ 385

Changing the IS-Type.................................................................................................................................................385

Redistributing IPv4 Routes.........................................................................................................................................387

Redistributing IPv6 Routes.........................................................................................................................................387

Configuring Authentication Passwords.................................................................................................................... 388

Setting the Overload Bit.............................................................................................................................................388

Debugging IS-IS...........................................................................................................................................................389

IS-IS Metric Styles............................................................................................................................................................ 390

Configure Metric Values...................................................................................................................................................390

Maximum Values in the Routing Table..................................................................................................................... 390

Change the IS-IS Metric Style in One Level Only................................................................................................... 390

Leaks from One Level to Another............................................................................................................................. 392

Contents

13

Sample Configurations......................................................................................................................................................392

24 Link Aggregation Control Protocol (LACP)................................................................................395

Introduction to Dynamic LAGs and LACP......................................................................................................................395

Important Points to Remember.................................................................................................................................395

LACP Modes................................................................................................................................................................395

Configuring LACP Commands...................................................................................................................................396

LACP Configuration Tasks...............................................................................................................................................396

Creating a LAG............................................................................................................................................................ 396

Configuring the LAG Interfaces as Dynamic............................................................................................................397

Setting the LACP Long Timeout............................................................................................................................... 397

Monitoring and Debugging LACP..............................................................................................................................398

Shared LAG State Tracking............................................................................................................................................. 398

Configuring Shared LAG State Tracking..................................................................................................................399

Important Points about Shared LAG State Tracking..............................................................................................400

LACP Basic Configuration Example................................................................................................................................400

Configure a LAG on ALPHA.......................................................................................................................................400

25 Layer 2.................................................................................................................................. 408

Manage the MAC Address Table.................................................................................................................................... 408

Clearing the MAC Address Table.............................................................................................................................. 408

Setting the Aging Time for Dynamic Entries........................................................................................................... 408

Configuring a Static MAC Address........................................................................................................................... 408

Displaying the MAC Address Table...........................................................................................................................409

MAC Learning Limit.......................................................................................................................................................... 409

Setting the MAC Learning Limit................................................................................................................................409

mac learning-limit Dynamic......................................................................................................................................... 410

mac learning-limit mac-address-sticky......................................................................................................................410

mac learning-limit station-move.................................................................................................................................410

mac learning-limit no-station-move...........................................................................................................................410

Learning Limit Violation Actions.................................................................................................................................. 411

Setting Station Move Violation Actions..................................................................................................................... 411

Recovering from Learning Limit and Station Move Violations................................................................................411

Disabling MAC Address Learning on the System.....................................................................................................412

Enabling port security.................................................................................................................................................. 412

NIC Teaming....................................................................................................................................................................... 412

Configure Redundant Pairs...............................................................................................................................................413

Far-End Failure Detection.................................................................................................................................................416

FEFD State Changes................................................................................................................................................... 416

Configuring FEFD......................................................................................................................................................... 417

Enabling FEFD on an Interface...................................................................................................................................418

Debugging FEFD.......................................................................................................................................................... 418

26 Link Layer Discovery Protocol (LLDP)...................................................................................... 420

802.1AB (LLDP) Overview...............................................................................................................................................420

Protocol Data Units.....................................................................................................................................................420

Optional TLVs..................................................................................................................................................................... 421

Management TLVs.......................................................................................................................................................421

TIA-1057 (LLDP-MED) Overview................................................................................................................................... 422

14

Contents

TIA Organizationally Specific TLVs............................................................................................................................423

Configure LLDP................................................................................................................................................................. 426

CONFIGURATION versus INTERFACE Configurations............................................................................................... 426

Enabling LLDP....................................................................................................................................................................427

Disabling and Undoing LLDP...................................................................................................................................... 427

Enabling LLDP on Management Ports............................................................................................................................427

Disabling and Undoing LLDP on Management Ports..............................................................................................428

Advertising TLVs............................................................................................................................................................... 428

Storing and Viewing Unrecognized LLDP TLVs............................................................................................................429

Viewing the LLDP Configuration.....................................................................................................................................430

Viewing Information Advertised by Adjacent LLDP Neighbors...................................................................................430

Examples of Viewing Information Advertised by Neighbors..................................................................................430

Configuring LLDPDU Intervals.........................................................................................................................................433

Configuring LLDP Notification Interval...........................................................................................................................433

Configuring LLDP Notification Interval...........................................................................................................................434

Configuring Transmit and Receive Mode.......................................................................................................................434

Configuring the Time to Live Value.................................................................................................................................435

Debugging LLDP................................................................................................................................................................435

Relevant Management Objects.......................................................................................................................................436

27 Microsoft Network Load Balancing............................................................................................441

Configuring a Switch for NLB .........................................................................................................................................442

Enabling a Switch for Multicast NLB........................................................................................................................ 442

28 Multicast Source Discovery Protocol (MSDP)........................................................................... 444

Anycast RP........................................................................................................................................................................ 445

Implementation Information.............................................................................................................................................446

Configure Multicast Source Discovery Protocol...........................................................................................................446

Related Configuration Tasks......................................................................................................................................446

Enable MSDP.....................................................................................................................................................................450

Manage the Source-Active Cache.................................................................................................................................. 451

Viewing the Source-Active Cache.............................................................................................................................451

Limiting the Source-Active Cache.............................................................................................................................451

Clearing the Source-Active Cache............................................................................................................................ 451

Enabling the Rejected Source-Active Cache...........................................................................................................452

Accept Source-Active Messages that Fail the RFP Check.........................................................................................452

Specifying Source-Active Messages.............................................................................................................................. 454

Limiting the Source-Active Messages from a Peer......................................................................................................455

Preventing MSDP from Caching a Local Source..........................................................................................................455

Preventing MSDP from Caching a Remote Source..................................................................................................... 455

Preventing MSDP from Advertising a Local Source.................................................................................................... 456

Logging Changes in Peership States.............................................................................................................................. 457

Terminating a Peership.....................................................................................................................................................457

Clearing Peer Statistics.................................................................................................................................................... 457

Debugging MSDP..............................................................................................................................................................458

MSDP with Anycast RP................................................................................................................................................... 458

Configuring Anycast RP................................................................................................................................................... 459

Reducing Source-Active Message Flooding............................................................................................................460

Specifying the RP Address Used in SA Messages..................................................................................................460

Contents

15

MSDP Sample Configurations......................................................................................................................................... 462

29 Multicast Listener Discovery Protocol...................................................................................... 465

MLD timers........................................................................................................................................................................ 468

Reducing Host Response Burstiness........................................................................................................................468

Configuring MLD Version.................................................................................................................................................469

Clearing MLD groups........................................................................................................................................................ 469

Debugging MLD.................................................................................................................................................................469

Explicit Tracking................................................................................................................................................................ 469

Reducing Leave Latency..................................................................................................................................................469

Displaying MLD groups table........................................................................................................................................... 469

Displaying MLD Interfaces................................................................................................................................................470

MLD Snooping................................................................................................................................................................... 470

Enable MLD Snooping.................................................................................................................................................470

Disable MLD Snooping................................................................................................................................................470

Configure the switch as a querier.............................................................................................................................. 471

Specify port as connected to multicast router.........................................................................................................471

Enable Snooping Explicit Tracking..............................................................................................................................471

Display the MLD Snooping Table................................................................................................................................471

30 Multiple Spanning Tree Protocol (MSTP)..................................................................................472

Spanning Tree Variations..................................................................................................................................................473

Implementation Information....................................................................................................................................... 473

Configure Multiple Spanning Tree Protocol...................................................................................................................473

Related Configuration Tasks...................................................................................................................................... 473

Enable Multiple Spanning Tree Globally..........................................................................................................................474

Adding and Removing Interfaces.................................................................................................................................... 474

Creating Multiple Spanning Tree Instances................................................................................................................... 474

Influencing MSTP Root Selection................................................................................................................................... 475

Interoperate with Non-Dell Bridges................................................................................................................................ 476

Changing the Region Name or Revision.........................................................................................................................476

Modifying Global Parameters...........................................................................................................................................476

Modifying the Interface Parameters............................................................................................................................... 477

Setting STP path cost as constant.................................................................................................................................478

Configuring an EdgePort..................................................................................................................................................478

Flush MAC Addresses after a Topology Change.......................................................................................................... 479

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

Debugging and Verifying MSTP Configurations............................................................................................................483

31 Multicast Features.................................................................................................................. 485

Enabling IP Multicast........................................................................................................................................................ 485

Implementation Information.............................................................................................................................................485

Multicast Policies...............................................................................................................................................................486

IPv4 Multicast Policies................................................................................................................................................486

Understanding Multicast Traceroute (mtrace)............................................................................................................. 492

Printing Multicast Traceroute (mtrace) Paths..............................................................................................................492

Supported Error Codes.................................................................................................................................................... 494

mtrace Scenarios...............................................................................................................................................................494

16

Contents

32 Object Tracking......................................................................................................................500

Object Tracking Overview............................................................................................................................................... 500

Track Layer 2 Interfaces............................................................................................................................................. 501

Track Layer 3 Interfaces............................................................................................................................................. 501

Track IPv4 and IPv6 Routes.......................................................................................................................................501

Set Tracking Delays.................................................................................................................................................... 502

VRRP Object Tracking................................................................................................................................................503

Object Tracking Configuration........................................................................................................................................ 503

Tracking a Layer 2 Interface...................................................................................................................................... 503

Tracking a Layer 3 Interface...................................................................................................................................... 504

Track an IPv4/IPv6 Route......................................................................................................................................... 505

Displaying Tracked Objects..............................................................................................................................................508

33 Open Shortest Path First (OSPFv2 and OSPFv3).......................................................................510

Protocol Overview.............................................................................................................................................................510

Autonomous System (AS) Areas............................................................................................................................... 510

Area Types.....................................................................................................................................................................511

Networks and Neighbors............................................................................................................................................ 512

Router Types................................................................................................................................................................ 512

Designated and Backup Designated Routers........................................................................................................... 513

Link-State Advertisements (LSAs)............................................................................................................................513

Router Priority and Cost............................................................................................................................................. 514

OSPF with Dell EMC Networking OS............................................................................................................................. 515

Graceful Restart...........................................................................................................................................................515

Fast Convergence (OSPFv2, IPv4 Only)..................................................................................................................516

Multi-Process OSPFv2 with VRF.............................................................................................................................. 516

OSPF ACK Packing......................................................................................................................................................517

Setting OSPF Adjacency with Cisco Routers...........................................................................................................517

Configuration Information................................................................................................................................................. 517

Configuration Task List for OSPFv2 (OSPF for IPv4)............................................................................................518

OSPFv3 NSSA...................................................................................................................................................................529

Configuration Task List for OSPFv3 (OSPF for IPv6).................................................................................................530

Enabling IPv6 Unicast Routing.................................................................................................................................. 530

Applying cost for OSPFv3.......................................................................................................................................... 531

Assigning IPv6 Addresses on an Interface................................................................................................................531

Assigning Area ID on an Interface.............................................................................................................................. 531

Assigning OSPFv3 Process ID and Router ID Globally............................................................................................531

Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................... 532

Configuring Stub Areas...............................................................................................................................................532

Configuring Passive-Interface................................................................................................................................... 532

Redistributing Routes................................................................................................................................................. 533

Configuring a Default Route...................................................................................................................................... 533

Enabling OSPFv3 Graceful Restart...........................................................................................................................533

OSPFv3 Authentication Using IPsec........................................................................................................................ 535

Troubleshooting OSPFv3............................................................................................................................................541

MIB Support for OSPFv3............................................................................................................................................541

34 Policy-based Routing (PBR).................................................................................................... 543

Contents

17

Overview............................................................................................................................................................................ 543

Implementing PBR.............................................................................................................................................................544

Configuration Task List for Policy-based Routing........................................................................................................ 544

Create a Redirect List.................................................................................................................................................545

Create a Rule for a Redirect-list................................................................................................................................545

Apply a Redirect-list to an Interface using a Redirect-group................................................................................ 546

Sample Configuration....................................................................................................................................................... 548

35 PIM Sparse-Mode (PIM-SM)................................................................................................... 552

Implementation Information.............................................................................................................................................552

Protocol Overview............................................................................................................................................................ 552

Requesting Multicast Traffic..................................................................................................................................... 552

Refuse Multicast Traffic.............................................................................................................................................552

Send Multicast Traffic................................................................................................................................................ 553

Configuring PIM-SM.........................................................................................................................................................553

Related Configuration Tasks......................................................................................................................................553

Enable PIM-SM................................................................................................................................................................. 553

Configuring S,G Expiry Timers........................................................................................................................................ 555

Configuring a Static Rendezvous Point......................................................................................................................... 556

Overriding Bootstrap Router Updates..................................................................................................................... 556

Configuring a Designated Router....................................................................................................................................557

Creating Multicast Boundaries and Domains.................................................................................................................558

Electing an RP using the BSR Mechanism.................................................................................................................... 558

36 PIM Source-Specific Mode (PIM-SSM).................................................................................... 560

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

Configure PIM-SSM......................................................................................................................................................... 560

Enabling PIM-SSM.............................................................................................................................................................561

Use PIM-SSM with IGMP Version 2 Hosts....................................................................................................................561

Electing an RP using the BSR Mechanism.................................................................................................................... 562

Enabling RP to Server Specific Multicast Groups...................................................................................................563

37 Port Monitoring......................................................................................................................565

Important Points to Remember...................................................................................................................................... 565

Port Monitoring.................................................................................................................................................................565

Configuring Port Monitoring............................................................................................................................................567

Configuring Monitor Multicast Queue............................................................................................................................569

Enabling Flow-Based Monitoring.................................................................................................................................... 569

Remote Port Mirroring..................................................................................................................................................... 570

Remote Port Mirroring Example.................................................................................................................................571

Configuring Remote Port Mirroring........................................................................................................................... 571

Displaying Remote-Port Mirroring Configurations.................................................................................................. 573

Configuration procedure for Remote Port Mirroring..............................................................................................573

Encapsulated Remote Port Monitoring.......................................................................................................................... 577

ERPM Behavior on a typical Dell EMC Networking OS .............................................................................................. 579

Port Monitoring on VLT................................................................................................................................................... 580

38 Private VLANs (PVLAN).......................................................................................................... 583

Private VLAN Concepts................................................................................................................................................... 583

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Contents

Using the Private VLAN Commands.............................................................................................................................. 584

Configuration Task List.................................................................................................................................................... 585

Creating PVLAN ports................................................................................................................................................585

Creating a Primary VLAN...........................................................................................................................................585

Creating a Community VLAN.................................................................................................................................... 586

Creating an Isolated VLAN......................................................................................................................................... 587

Private VLAN Configuration Example............................................................................................................................ 588

Inspecting the Private VLAN Configuration.................................................................................................................. 589

39 Per-VLAN Spanning Tree Plus (PVST+).................................................................................... 591

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

Implementation Information.............................................................................................................................................592

Configure Per-VLAN Spanning Tree Plus......................................................................................................................592

Enabling PVST+.................................................................................................................................................................592

Disabling PVST+................................................................................................................................................................592

Influencing PVST+ Root Selection..................................................................................................................................593

Modifying Global PVST+ Parameters.............................................................................................................................594

Modifying Interface PVST+ Parameters........................................................................................................................595

Configuring an EdgePort..................................................................................................................................................595

PVST+ in Multi-Vendor Networks..................................................................................................................................596

Enabling PVST+ Extend System ID................................................................................................................................ 596

PVST+ Sample Configurations........................................................................................................................................597

40 Quality of Service (QoS)......................................................................................................... 599

Implementation Information..............................................................................................................................................601

Port-Based QoS Configurations...................................................................................................................................... 601

Setting dot1p Priorities for Incoming Traffic............................................................................................................ 601

Honoring dot1p Priorities on Ingress Traffic............................................................................................................ 602

Configuring Port-Based Rate Policing......................................................................................................................602

Configuring Port-Based Rate Shaping..................................................................................................................... 603

Policy-Based QoS Configurations...................................................................................................................................604

Classify Traffic.............................................................................................................................................................604

Create a QoS Policy.................................................................................................................................................... 607

Create Policy Maps.....................................................................................................................................................609

DSCP Color Maps...............................................................................................................................................................611

Creating a DSCP Color Map.......................................................................................................................................612

Displaying DSCP Color Maps......................................................................................................................................612

Displaying a DSCP Color Policy Configuration ........................................................................................................ 613

Enabling QoS Rate Adjustment........................................................................................................................................613

Enabling Strict-Priority Queueing.................................................................................................................................... 614

Weighted Random Early Detection..................................................................................................................................614

Creating WRED Profiles..............................................................................................................................................615

Applying a WRED Profile to Traffic........................................................................................................................... 615

Displaying Default and Configured WRED Profiles..................................................................................................615

Displaying WRED Drop Statistics...............................................................................................................................616

Displaying egress–queue Statistics........................................................................................................................... 616

Pre-Calculating Available QoS CAM Space....................................................................................................................616

Configuring Weights and ECN for WRED ......................................................................................................................617

Configuring WRED and ECN Attributes..........................................................................................................................618

Contents

19

Guidelines for Configuring ECN for Classifying and Color-Marking Packets.............................................................619

Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class..................................... 619

Classifying Incoming Packets Using ECN and Color-Marking...............................................................................620

Sample configuration to mark non-ecn packets as “yellow” with single traffic class......................................... 621

Applying Layer 2 Match Criteria on a Layer 3 Interface...............................................................................................622

Applying DSCP and VLAN Match Criteria on a Service Queue.................................................................................. 623

Classifying Incoming Packets Using ECN and Color-Marking.....................................................................................623

Guidelines for Configuring ECN for Classifying and Color-Marking Packets............................................................ 625

Sample configuration to mark non-ecn packets as “yellow” with Multiple traffic class.......................................... 625

Sample configuration to mark non-ecn packets as “yellow” with single traffic class.............................................. 625

41 Routing Information Protocol (RIP).......................................................................................... 627

Protocol Overview............................................................................................................................................................ 627

RIPv1..............................................................................................................................................................................627

RIPv2.............................................................................................................................................................................627

Implementation Information............................................................................................................................................. 627

Configuration Information................................................................................................................................................ 628

Configuration Task List...............................................................................................................................................628

RIP Configuration Example........................................................................................................................................ 633

42 Remote Monitoring (RMON)....................................................................................................638

Implementation Information.............................................................................................................................................638

Fault Recovery...................................................................................................................................................................638

Setting the RMON Alarm........................................................................................................................................... 638

Configuring an RMON Event.....................................................................................................................................639

Configuring RMON Collection Statistics..................................................................................................................640

Configuring the RMON Collection History...............................................................................................................640

43 Rapid Spanning Tree Protocol (RSTP)...................................................................................... 641

Protocol Overview............................................................................................................................................................. 641

Configuring Rapid Spanning Tree.................................................................................................................................... 641

Important Points to Remember....................................................................................................................................... 641

RSTP and VLT............................................................................................................................................................. 642

Configuring Interfaces for Layer 2 Mode.......................................................................................................................642

Enabling Rapid Spanning Tree Protocol Globally...........................................................................................................642

Adding and Removing Interfaces.................................................................................................................................... 644

Modifying Global Parameters.......................................................................................................................................... 644

Enabling SNMP Traps for Root Elections and Topology Changes....................................................................... 645

Modifying Interface Parameters..................................................................................................................................... 646

Enabling SNMP Traps for Root Elections and Topology Changes.............................................................................646

Influencing RSTP Root Selection.................................................................................................................................... 646

Configuring an EdgePort..................................................................................................................................................647

Configuring Fast Hellos for Link State Detection..........................................................................................................647

44 Software-Defined Networking (SDN)....................................................................................... 649

45 Security.................................................................................................................................650

AAA Accounting................................................................................................................................................................ 650

Configuration Task List for AAA Accounting...........................................................................................................650

20

Contents

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Dell PowerSwitch S3048-ON Administrator Guide

Dell PowerSwitch S3048-ON Administrator Guide

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