Dell Networking S3100 Series User guide

Dell Configuration Guide for the S3100 Series

9.10(0.1)

Notes, cautions, and warnings

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

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.

Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be

trademarks of their respective companies.

2016 - 06

Rev. A00

Contents

1 About this Guide.....................................................................................................................................................31

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

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

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

2 Configuration Fundamentals.............................................................................................................................. 32

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

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

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

The do Command....................................................................................................................................................36

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

Obtaining Help.......................................................................................................................................................... 37

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

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

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

Example of the grep Keyword......................................................................................................................... 39

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

3 Getting Started.......................................................................................................................................................41

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

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

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

Entering CLI commands Using an SSH Connection...................................................................................43

Executing Local CLI Scripts Using an SSH Connection..............................................................................43

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Managing the File System.......................................................................................................................................53

Enabling Software Features on Devices Using a Command Option.............................................................53

View Command History..........................................................................................................................................54

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

Contents

3

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

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

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

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

Creating a Custom Privilege Level.................................................................................................................. 57

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

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

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

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

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

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

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

Audit and Security Logs..................................................................................................................................... 61

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

Display the Logging Buffer and the Logging Configuration..................................................................... 63

Setting Up a Secure Connection to a Syslog Server...................................................................................64

Sending System Messages to a Syslog Server.............................................................................................. 65

Track Login Activity..................................................................................................................................................65

Restrictions for Tracking Login Activity......................................................................................................... 65

Configuring Login Activity Tracking............................................................................................................... 65

Display Login Statistics...................................................................................................................................... 66

Limit Concurrent Login Sessions.......................................................................................................................... 67

Restrictions for Limiting the Number of Concurrent Sessions.................................................................67

Configuring Concurrent Session Limit...........................................................................................................67

Enabling the System to Clear Existing Sessions...........................................................................................68

Log Messages in the Internal Buffer.....................................................................................................................69

Configuration Task List for System Log Management............................................................................... 69

Disabling System Logging...................................................................................................................................... 69

Sending System Messages to a Syslog Server....................................................................................................69

Configuring a UNIX System as a Syslog Server............................................................................................69

Changing System Logging Settings......................................................................................................................70

Display the Logging Buffer and the Logging Configuration............................................................................71

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

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

Enabling Timestamp on Syslog Messages...........................................................................................................73

File Transfer Services................................................................................................................................................73

Configuration Task List for File Transfer Services........................................................................................73

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

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

Configuring FTP Client Parameters................................................................................................................ 74

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

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

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

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

Using Telnet to get to Another Network Device................................................................................................77

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

9.10(0.1)

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Viewing the Configuration Lock Status..........................................................................................................78

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

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

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

Configuring 802.1X.................................................................................................................................................. 83

Related Configuration Tasks............................................................................................................................ 83

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

Enabling 802.1X........................................................................................................................................................ 84

Configuring dot1x Profile .......................................................................................................................................85

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

Configuring the Static MAB and MAB Profile .................................................................................................... 86

Configuring Critical VLAN ......................................................................................................................................87

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

Configuring a Quiet Period after a Failed Authentication......................................................................... 88

Forcibly Authorizing or Unauthorizing a Port.................................................................................................... 89

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

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

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

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

Configuring a Guest VLAN................................................................................................................................93

Configuring an Authentication-Fail VLAN.....................................................................................................93

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................95

Optimizing CAM Utilization During the Attachment of ACLs to VLANs....................................................... 95

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

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters....................................96

Configuring ACL VLAN Groups....................................................................................................................... 96

Configuring FP Blocks for VLAN Parameters................................................................................................97

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

Allocating FP Blocks for VLAN Processes........................................................................................................... 99

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

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

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

Implementing ACLs on Dell Networking OS.............................................................................................. 102

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

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

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

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

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

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

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

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

IP Fragments ACL Examples...........................................................................................................................110

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

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

Contents

5

Configuring a Standard IP ACL Filter.............................................................................................................112

Configure an Extended IP ACL.............................................................................................................................113

Configuring Filters with a Sequence Number.............................................................................................113

Configuring Filters Without a Sequence Number......................................................................................114

Configure Layer 2 and Layer 3 ACLs...................................................................................................................115

Assign an IP ACL to an Interface..........................................................................................................................115

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

Counting ACL Hits............................................................................................................................................ 116

Configure Ingress ACLs......................................................................................................................................... 116

Configure Egress ACLs...........................................................................................................................................117

Applying Egress Layer 3 ACLs (Control-Plane)...........................................................................................118

IP Prefix Lists............................................................................................................................................................ 118

Implementation Information.......................................................................................................................... 119

Configuration Task List for Prefix Lists......................................................................................................... 119

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

Resequencing an ACL or Prefix List.............................................................................................................. 123

Route Maps.............................................................................................................................................................. 124

Implementation Information..........................................................................................................................124

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

Guidelines for Configuring ACL Logging.....................................................................................................125

Configuring ACL Logging............................................................................................................................... 126

Flow-Based Monitoring Support for ACLs........................................................................................................ 126

Behavior of Flow-Based Monitoring.............................................................................................................127

Enabling Flow-Based Monitoring..................................................................................................................128

8 Bidirectional Forwarding Detection (BFD)..................................................................................................... 130

How BFD Works......................................................................................................................................................130

BFD Packet Format........................................................................................................................................... 131

BFD Sessions......................................................................................................................................................132

BFD Three-Way Handshake........................................................................................................................... 133

Session State Changes.....................................................................................................................................135

Important Points to Remember...........................................................................................................................135

Configure BFD.........................................................................................................................................................135

Configure BFD for Physical Ports..................................................................................................................136

Configure BFD for Static Routes................................................................................................................... 139

Configure BFD for OSPF..................................................................................................................................141

Configure BFD for OSPFv3............................................................................................................................. 144

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

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

Configure BFD for VRRP................................................................................................................................. 154

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

Troubleshooting BFD.......................................................................................................................................156

9 Border Gateway Protocol IPv4 (BGPv4)......................................................................................................... 158

Autonomous Systems (AS)....................................................................................................................................158

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

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

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Route Reflectors......................................................................................................................................................161

BGP Attributes......................................................................................................................................................... 162

Best Path Selection Criteria............................................................................................................................ 163

Weight................................................................................................................................................................. 165

Local Preference...............................................................................................................................................165

Multi-Exit Discriminators (MEDs)...................................................................................................................165

Origin...................................................................................................................................................................166

AS Path................................................................................................................................................................ 167

Next Hop.............................................................................................................................................................167

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

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

Additional Path (Add-Path) Support............................................................................................................. 168

Advertise IGP Cost as MED for Redistributed Routes............................................................................... 168

Ignore Router-ID in Best-Path Calculation................................................................................................ 169

Four-Byte AS Numbers....................................................................................................................................169

AS4 Number Representation..........................................................................................................................169

AS Number Migration....................................................................................................................................... 171

BGP4 Management Information Base (MIB)............................................................................................... 173

Important Points to Remember.....................................................................................................................173

Configuration Information....................................................................................................................................174

BGP Configuration................................................................................................................................................. 174

Enabling BGP..................................................................................................................................................... 175

Configuring AS4 Number Representations.................................................................................................178

Configuring Peer Groups................................................................................................................................ 179

Configuring BGP Fast Fall-Over.................................................................................................................... 182

Configuring Passive Peering...........................................................................................................................183

Maintaining Existing AS Numbers During an AS Migration......................................................................184

Allowing an AS Number to Appear in its Own AS Path.............................................................................185

Enabling Graceful Restart............................................................................................................................... 186

Enabling Neighbor Graceful Restart............................................................................................................. 187

Filtering on an AS-Path Attribute...................................................................................................................187

Regular Expressions as Filters........................................................................................................................ 188

Redistributing Routes...................................................................................................................................... 190

Enabling Additional Paths............................................................................................................................... 190

Configuring IP Community Lists....................................................................................................................191

Configuring an IP Extended Community List............................................................................................. 192

Filtering Routes with Community Lists........................................................................................................ 193

Manipulating the COMMUNITY Attribute.................................................................................................... 193

Changing MED Attributes................................................................................................................................195

Changing the LOCAL_PREFERENCE Attribute...........................................................................................195

Configuring the local System or a Different System to be the Next Hop for BGP-Learned

Routes................................................................................................................................................................. 196

Changing the WEIGHT Attribute................................................................................................................... 196

Enabling Multipath............................................................................................................................................197

Filtering BGP Routes.........................................................................................................................................197

Filtering BGP Routes Using Route Maps......................................................................................................198

Filtering BGP Routes Using AS-PATH Information....................................................................................199

Contents

7

Configuring BGP Route Reflectors.............................................................................................................. 200

Aggregating Routes.........................................................................................................................................200

Configuring BGP Confederations................................................................................................................. 201

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

Changing BGP Timers.....................................................................................................................................203

Enabling BGP Neighbor Soft-Reconfiguration..........................................................................................204

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

Enabling MBGP Configurations.......................................................................................................................... 205

BGP Regular Expression Optimization.............................................................................................................. 206

Debugging BGP......................................................................................................................................................206

Storing Last and Bad PDUs.............................................................................................................................207

Capturing PDUs................................................................................................................................................208

PDU Counters...................................................................................................................................................209

Sample Configurations......................................................................................................................................... 209

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

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

Test CAM Usage......................................................................................................................................................218

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

View CAM Usage....................................................................................................................................................220

CAM Optimization................................................................................................................................................. 220

Troubleshoot CAM Profiling................................................................................................................................ 220

CAM Profile Mismatches.................................................................................................................................220

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

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

Configure Control Plane Policing.......................................................................................................................224

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

Configuring CoPP for CPU Queues............................................................................................................. 226

CoPP for OSPFv3 Packets...............................................................................................................................227

Configuring CoPP for OSPFv3.......................................................................................................................230

Displaying CoPP Configuration .................................................................................................................... 231

12 Dynamic Host Configuration Protocol (DHCP)...........................................................................................233

DHCP Packet Format and Options.....................................................................................................................233

Assign an IP Address using DHCP.......................................................................................................................235

Implementation Information............................................................................................................................... 236

Configure the System to be a DHCP Server.....................................................................................................236

Configuring the Server for Automatic Address Allocation.......................................................................237

Specifying a Default Gateway........................................................................................................................238

Configure a Method of Hostname Resolution...........................................................................................239

Using DNS for Address Resolution............................................................................................................... 239

Using NetBIOS WINS for Address Resolution............................................................................................ 239

Creating Manual Binding Entries...................................................................................................................239

Debugging the DHCP Server.........................................................................................................................240

Using DHCP Clear Commands..................................................................................................................... 240

Configure the System to be a Relay Agent...................................................................................................... 240

9.10(0.1)

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Configure the System to be a DHCP Client..................................................................................................... 242

Configuring the DHCP Client System..........................................................................................................242

DHCP Client on a Management Interface.................................................................................................. 243

DHCP Client Operation with Other Features.............................................................................................244

Configure the System for User Port Stacking (Option 230)..........................................................................245

Configure Secure DHCP.......................................................................................................................................245

Option 82...........................................................................................................................................................245

DHCP Snooping............................................................................................................................................... 246

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

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

Configuring Dynamic ARP Inspection..........................................................................................................251

Source Address Validation....................................................................................................................................252

Enabling IP Source Address Validation........................................................................................................ 252

DHCP MAC Source Address Validation....................................................................................................... 253

Enabling IP+MAC Source Address Validation.............................................................................................253

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

Clearing the Number of SAV Dropped Packets.........................................................................................254

13 Equal Cost Multi-Path (ECMP)........................................................................................................................ 255

ECMP for Flow-Based Affinity............................................................................................................................. 255

Configuring the Hash Algorithm................................................................................................................... 255

Enabling Deterministic ECMP Next Hop..................................................................................................... 255

Configuring the Hash Algorithm Seed.........................................................................................................256

Link Bundle Monitoring.........................................................................................................................................256

Managing ECMP Group Paths........................................................................................................................257

Creating an ECMP Group Bundle..................................................................................................................257

Modifying the ECMP Group Threshold........................................................................................................257

14 FIPS Cryptography............................................................................................................................................259

Configuration Tasks...............................................................................................................................................259

Preparing the System............................................................................................................................................ 259

Enabling FIPS Mode...............................................................................................................................................260

Generating Host-Keys...........................................................................................................................................260

Monitoring FIPS Mode Status.............................................................................................................................. 260

Disabling FIPS Mode.............................................................................................................................................. 261

15 Force10 Resilient Ring Protocol (FRRP)........................................................................................................262

Protocol Overview................................................................................................................................................. 262

Ring Status......................................................................................................................................................... 263

Multiple FRRP Rings......................................................................................................................................... 263

Important FRRP Points....................................................................................................................................264

Important FRRP Concepts..............................................................................................................................265

Implementing FRRP...............................................................................................................................................266

FRRP Configuration............................................................................................................................................... 266

Creating the FRRP Group............................................................................................................................... 266

Configuring the Control VLAN...................................................................................................................... 267

Configuring and Adding the Member VLANs.............................................................................................268

Contents

9

Setting the FRRP Timers................................................................................................................................. 269

Clearing the FRRP Counters.......................................................................................................................... 269

Viewing the FRRP Configuration...................................................................................................................269

Viewing the FRRP Information...................................................................................................................... 269

Troubleshooting FRRP.......................................................................................................................................... 270

Configuration Checks..................................................................................................................................... 270

Sample Configuration and Topology.................................................................................................................270

16 GARP VLAN Registration Protocol (GVRP)................................................................................................... 272

Important Points to Remember.......................................................................................................................... 272

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

Related Configuration Tasks.......................................................................................................................... 273

Enabling GVRP Globally........................................................................................................................................274

Enabling GVRP on a Layer 2 Interface............................................................................................................... 274

Configure GVRP Registration.............................................................................................................................. 274

Configure a GARP Timer.......................................................................................................................................275

RPM Redundancy................................................................................................................................................... 275

17 High Availability (HA)........................................................................................................................................ 277

Component Redundancy..................................................................................................................................... 277

Automatic and Manual Stack Unit Failover..................................................................................................277

Synchronization between Management and Standby Units...................................................................278

Forcing an Stack Unit Failover....................................................................................................................... 278

Disabling Auto-Reboot....................................................................................................................................279

Manually Synchronizing Management and Standby Units...................................................................... 279

Pre-Configuring a Stack Unit Slot.......................................................................................................................279

Removing a Provisioned Logical Stack Unit.....................................................................................................280

Hitless Behavior......................................................................................................................................................280

Graceful Restart......................................................................................................................................................280

Software Resiliency................................................................................................................................................ 281

Software Component Health Monitoring................................................................................................... 281

System Health Monitoring.............................................................................................................................. 281

Failure and Event Logging.............................................................................................................................. 281

Hot-Lock Behavior................................................................................................................................................ 282

18 Internet Group Management Protocol (IGMP)............................................................................................283

IGMP Implementation Information....................................................................................................................283

IGMP Protocol Overview......................................................................................................................................283

IGMP Version 2................................................................................................................................................. 283

IGMP Version 3................................................................................................................................................. 285

Configure IGMP......................................................................................................................................................287

Related Configuration Tasks..........................................................................................................................288

Viewing IGMP Enabled Interfaces...................................................................................................................... 288

Selecting an IGMP Version...................................................................................................................................288

Viewing IGMP Groups...........................................................................................................................................289

Adjusting Timers.....................................................................................................................................................289

Adjusting Query and Response Timers....................................................................................................... 289

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Preventing a Host from Joining a Group..........................................................................................................290

Enabling IGMP Immediate-Leave.......................................................................................................................293

IGMP Snooping.......................................................................................................................................................293

IGMP Snooping Implementation Information........................................................................................... 293

Configuring IGMP Snooping..........................................................................................................................293

Removing a Group-Port Association...........................................................................................................294

Disabling Multicast Flooding..........................................................................................................................294

Specifying a Port as Connected to a Multicast Router............................................................................ 294

Configuring the Switch as Querier............................................................................................................... 295

Fast Convergence after MSTP Topology Changes.........................................................................................295

Egress Interface Selection (EIS) for HTTP and IGMP Applications...............................................................295

Protocol Separation.........................................................................................................................................296

Enabling and Disabling Management Egress Interface Selection..........................................................297

Handling of Management Route Configuration........................................................................................298

Handling of Switch-Initiated Traffic.............................................................................................................298

Handling of Switch-Destined Traffic............................................................................................................299

Handling of Transit Traffic (Traffic Separation)..........................................................................................300

Mapping of Management Applications and Traffic Type........................................................................ 300

Behavior of Various Applications for Switch-Initiated Traffic ................................................................ 301

Behavior of Various Applications for Switch-Destined Traffic .............................................................. 302

Interworking of EIS With Various Applications...........................................................................................303

Designating a Multicast Router Interface..........................................................................................................303

19 Interfaces............................................................................................................................................................304

Basic Interface Configuration..............................................................................................................................304

Advanced Interface Configuration.....................................................................................................................304

Interface Types....................................................................................................................................................... 305

Optional Modules...................................................................................................................................................305

View Basic Interface Information....................................................................................................................... 305

Resetting an Interface to its Factory Default State..........................................................................................307

Enabling Energy Efficient Ethernet.....................................................................................................................307

View EEE Information........................................................................................................................................... 308

Clear EEE Counters................................................................................................................................................ 312

Enabling a Physical Interface............................................................................................................................... 313

Physical Interfaces..................................................................................................................................................313

Configuration Task List for Physical Interfaces.......................................................................................... 313

Overview of Layer Modes............................................................................................................................... 314

Configuring Layer 2 (Data Link) Mode..........................................................................................................314

Configuring Layer 2 (Interface) Mode.......................................................................................................... 314

Configuring Layer 3 (Network) Mode...........................................................................................................315

Configuring Layer 3 (Interface) Mode.......................................................................................................... 315

Egress Interface Selection (EIS)........................................................................................................................... 316

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

Configuring EIS................................................................................................................................................. 316

Management Interfaces.........................................................................................................................................317

Configuring Management Interfaces............................................................................................................317

Configuring a Management Interface on an Ethernet Port.....................................................................318

Contents

11

VLAN Interfaces.......................................................................................................................................................319

Loopback Interfaces.............................................................................................................................................. 319

Null Interfaces.........................................................................................................................................................320

Port Channel Interfaces........................................................................................................................................320

Port Channel Definition and Standards.......................................................................................................320

Port Channel Benefits..................................................................................................................................... 320

Port Channel Implementation....................................................................................................................... 321

Interfaces in Port Channels............................................................................................................................ 321

Configuration Tasks for Port Channel Interfaces......................................................................................322

Creating a Port Channel................................................................................................................................. 322

Adding a Physical Interface to a Port Channel...........................................................................................322

Reassigning an Interface to a New Port Channel......................................................................................324

Configuring the Minimum Oper Up Links in a Port Channel..................................................................325

Adding or Removing a Port Channel from a VLAN...................................................................................325

Assigning an IP Address to a Port Channel.................................................................................................326

Deleting or Disabling a Port Channel...........................................................................................................326

Load Balancing Through Port Channels......................................................................................................327

Load-Balancing Method................................................................................................................................. 327

Changing the Hash Algorithm....................................................................................................................... 327

Bulk Configuration.................................................................................................................................................328

Interface Range.................................................................................................................................................328

Bulk Configuration Examples........................................................................................................................ 329

Defining Interface Range Macros.......................................................................................................................330

Define the Interface Range.............................................................................................................................331

Choosing an Interface-Range Macro...........................................................................................................331

Monitoring and Maintaining Interfaces..............................................................................................................331

Maintenance Using TDR................................................................................................................................. 332

Link Dampening......................................................................................................................................................333

Important Points to Remember.................................................................................................................... 333

Enabling Link Dampening...............................................................................................................................333

Link Bundle Monitoring.........................................................................................................................................335

Using Ethernet Pause Frames for Flow Control.............................................................................................. 335

Enabling Pause Frames................................................................................................................................... 336

Configure the MTU Size on an Interface.......................................................................................................... 336

Port-Pipes................................................................................................................................................................ 337

Auto-Negotiation on Ethernet Interfaces......................................................................................................... 337

Setting the Speed and Duplex Mode of Ethernet Interfaces...................................................................338

Set Auto-Negotiation Options.......................................................................................................................339

Provisioning Combo Ports...................................................................................................................................340

View Advanced Interface Information............................................................................................................... 341

Configuring the Interface Sampling Size.....................................................................................................341

Dynamic Counters.................................................................................................................................................342

Clearing Interface Counters...........................................................................................................................343

20 Internet Protocol Security (IPSec).................................................................................................................344

Configuring IPSec ................................................................................................................................................. 344

9.10(0.1)

12

21 IPv4 Routing...................................................................................................................................................... 346

IP Addresses.............................................................................................................................................................347

Implementation Information..........................................................................................................................347

Configuration Tasks for IP Addresses................................................................................................................ 347

Assigning IP Addresses to an Interface..............................................................................................................347

Configuring Static Routes.................................................................................................................................... 348

Configure Static Routes for the Management Interface............................................................................... 349

IPv4 Path MTU Discovery Overview...................................................................................................................350

Using the Configured Source IP Address in ICMP Messages....................................................................... 350

Configuring the ICMP Source Interface......................................................................................................350

Configuring the Duration to Establish a TCP Connection.............................................................................351

Enabling Directed Broadcast................................................................................................................................351

Resolution of Host Names....................................................................................................................................351

Enabling Dynamic Resolution of Host Names.................................................................................................352

Specifying the Local System Domain and a List of Domains........................................................................352

Configuring DNS with Traceroute......................................................................................................................353

ARP............................................................................................................................................................................ 353

Configuration Tasks for ARP................................................................................................................................354

Configuring Static ARP Entries............................................................................................................................ 354

Enabling Proxy ARP................................................................................................................................................354

Clearing ARP Cache...............................................................................................................................................355

ARP Learning via Gratuitous ARP........................................................................................................................ 355

Enabling ARP Learning via Gratuitous ARP....................................................................................................... 355

ARP Learning via ARP Request............................................................................................................................ 356

Configuring ARP Retries....................................................................................................................................... 356

ICMP..........................................................................................................................................................................357

Configuration Tasks for ICMP..............................................................................................................................357

Enabling ICMP Unreachable Messages..............................................................................................................357

UDP Helper..............................................................................................................................................................358

Configure UDP Helper.................................................................................................................................... 358

Important Points to Remember.................................................................................................................... 358

Enabling UDP Helper.............................................................................................................................................358

Configuring a Broadcast Address....................................................................................................................... 358

Configurations Using UDP Helper......................................................................................................................359

UDP Helper with Broadcast-All Addresses....................................................................................................... 359

UDP Helper with Subnet Broadcast Addresses............................................................................................... 360

UDP Helper with Configured Broadcast Addresses....................................................................................... 360

UDP Helper with No Configured Broadcast Addresses................................................................................. 361

Troubleshooting UDP Helper.............................................................................................................................. 361

22 IPv6 Routing...................................................................................................................................................... 362

Protocol Overview................................................................................................................................................. 362

Extended Address Space.................................................................................................................................363

Stateless Autoconfiguration...........................................................................................................................363

IPv6 Headers..................................................................................................................................................... 363

IPv6 Header Fields............................................................................................................................................364

Contents

13

Extension Header Fields..................................................................................................................................366

Addressing..........................................................................................................................................................367

Implementing IPv6 with Dell Networking OS..................................................................................................368

ICMPv6..................................................................................................................................................................... 369

Path MTU Discovery.............................................................................................................................................. 370

IPv6 Neighbor Discovery...................................................................................................................................... 370

IPv6 Neighbor Discovery of MTU Packets...................................................................................................371

Configuration Task List for IPv6 RDNSS.............................................................................................................371

Configuring the IPv6 Recursive DNS Server................................................................................................371

Debugging IPv6 RDNSS Information Sent to the Host ............................................................................372

Displaying IPv6 RDNSS Information............................................................................................................. 372

Secure Shell (SSH) Over an IPv6 Transport.......................................................................................................373

Configuration Tasks for IPv6................................................................................................................................373

Adjusting Your CAM-Profile........................................................................................................................... 373

Assigning an IPv6 Address to an Interface.................................................................................................. 374

Assigning a Static IPv6 Route.........................................................................................................................375

Configuring Telnet with IPv6......................................................................................................................... 375

SNMP over IPv6.................................................................................................................................................375

Displaying IPv6 Information........................................................................................................................... 376

Displaying an IPv6 Interface Information....................................................................................................376

Showing IPv6 Routes....................................................................................................................................... 377

Showing the Running-Configuration for an Interface............................................................................. 378

Clearing IPv6 Routes........................................................................................................................................379

Configuring IPv6 RA Guard.................................................................................................................................. 379

Configuring IPv6 RA Guard on an Interface............................................................................................... 381

Monitoring IPv6 RA Guard.............................................................................................................................. 381

23 iSCSI Optimization............................................................................................................................................382

iSCSI Optimization Overview...............................................................................................................................382

Monitoring iSCSI Traffic Flows...................................................................................................................... 383

Application of Quality of Service to iSCSI Traffic Flows...........................................................................384

Information Monitored in iSCSI Traffic Flows............................................................................................ 384

Detection and Auto-Configuration for Dell EqualLogic Arrays..............................................................385

Configuring Detection and Ports for Dell Compellent Arrays................................................................385

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................... 386

Enable and Disable iSCSI Optimization.......................................................................................................386

Default iSCSI Optimization Values......................................................................................................................387

iSCSI Optimization Prerequisites.........................................................................................................................387

Configuring iSCSI Optimization.......................................................................................................................... 387

Displaying iSCSI Optimization Information......................................................................................................389

24 Intermediate System to Intermediate System.............................................................................................391

IS-IS Protocol Overview........................................................................................................................................391

IS-IS Addressing...................................................................................................................................................... 391

Multi-Topology IS-IS............................................................................................................................................. 392

Transition Mode................................................................................................................................................392

Interface Support..............................................................................................................................................393

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Adjacencies........................................................................................................................................................393

Graceful Restart......................................................................................................................................................393

Timers................................................................................................................................................................. 393

Implementation Information............................................................................................................................... 394

Configuration Information...................................................................................................................................394

Configuration Tasks for IS-IS.........................................................................................................................395

Configuring the Distance of a Route...........................................................................................................402

Changing the IS-Type..................................................................................................................................... 403

Redistributing IPv4 Routes............................................................................................................................. 405

Redistributing IPv6 Routes.............................................................................................................................406

Configuring Authentication Passwords.......................................................................................................407

Setting the Overload Bit..................................................................................................................................407

Debugging IS-IS............................................................................................................................................... 408

IS-IS Metric Styles.................................................................................................................................................. 409

Configure Metric Values.......................................................................................................................................409

Maximum Values in the Routing Table........................................................................................................409

Change the IS-IS Metric Style in One Level Only......................................................................................409

Leaks from One Level to Another..................................................................................................................411

Sample Configurations..........................................................................................................................................412

25 Link Aggregation Control Protocol (LACP)..................................................................................................414

Introduction to Dynamic LAGs and LACP.........................................................................................................414

Important Points to Remember.....................................................................................................................414

LACP Modes.......................................................................................................................................................415

Configuring LACP Commands...................................................................................................................... 415

LACP Configuration Tasks....................................................................................................................................416

Creating a LAG.................................................................................................................................................. 416

Configuring the LAG Interfaces as Dynamic.............................................................................................. 416

Setting the LACP Long Timeout.................................................................................................................... 417

Monitoring and Debugging LACP................................................................................................................. 417

Shared LAG State Tracking...................................................................................................................................418

Configuring Shared LAG State Tracking...................................................................................................... 418

Important Points about Shared LAG State Tracking................................................................................. 419

LACP Basic Configuration Example................................................................................................................... 420

Configure a LAG on ALPHA........................................................................................................................... 420

26 Layer 2.................................................................................................................................................................429

Manage the MAC Address Table.........................................................................................................................429

Clearing the MAC Address Table.................................................................................................................. 429

Setting the Aging Time for Dynamic Entries.............................................................................................. 429

Configuring a Static MAC Address............................................................................................................... 430

Displaying the MAC Address Table...............................................................................................................430

MAC Learning Limit............................................................................................................................................... 430

Setting the MAC Learning Limit.....................................................................................................................431

mac learning-limit Dynamic...........................................................................................................................431

mac learning-limit mac-address-sticky.......................................................................................................431

mac learning-limit station-move..................................................................................................................432

Contents

15

mac learning-limit no-station-move...........................................................................................................432

Learning Limit Violation Actions................................................................................................................... 432

Setting Station Move Violation Actions....................................................................................................... 433

Recovering from Learning Limit and Station Move Violations............................................................... 433

Disabling MAC Address Learning on the System.......................................................................................434

NIC Teaming........................................................................................................................................................... 434

Configure Redundant Pairs..................................................................................................................................435

Important Points about Configuring Redundant Pairs.............................................................................437

Far-End Failure Detection....................................................................................................................................438

FEFD State Changes........................................................................................................................................ 439

Configuring FEFD.............................................................................................................................................440

Enabling FEFD on an Interface......................................................................................................................440

Debugging FEFD...............................................................................................................................................441

27 Link Layer Discovery Protocol (LLDP)...........................................................................................................443

802.1AB (LLDP) Overview.....................................................................................................................................443

Protocol Data Units......................................................................................................................................... 443

Optional TLVs......................................................................................................................................................... 444

Management TLVs........................................................................................................................................... 445

TIA-1057 (LLDP-MED) Overview........................................................................................................................ 446

TIA Organizationally Specific TLVs............................................................................................................... 447

Configure LLDP...................................................................................................................................................... 450

Related Configuration Tasks.......................................................................................................................... 451

Important Points to Remember.....................................................................................................................451

LLDP Compatibility...........................................................................................................................................451

CONFIGURATION versus INTERFACE Configurations...................................................................................451

Enabling LLDP.........................................................................................................................................................452

Disabling and Undoing LLDP......................................................................................................................... 452

Enabling LLDP on Management Ports...............................................................................................................452

Disabling and Undoing LLDP on Management Ports...............................................................................452

Advertising TLVs..................................................................................................................................................... 453

Viewing the LLDP Configuration........................................................................................................................ 454

Viewing Information Advertised by Adjacent LLDP Agents...........................................................................455

Configuring LLDPDU Intervals............................................................................................................................ 456

Configuring Transmit and Receive Mode......................................................................................................... 456

Configuring the Time to Live Value....................................................................................................................457

Debugging LLDP.................................................................................................................................................... 458

Relevant Management Objects...........................................................................................................................458

28 Microsoft Network Load Balancing.............................................................................................................. 464

NLB Unicast Mode Scenario................................................................................................................................464

NLB Multicast Mode Scenario............................................................................................................................. 464

Limitations of the NLB Feature............................................................................................................................465

Microsoft Clustering..............................................................................................................................................465

Enable and Disable VLAN Flooding ...................................................................................................................465

Configuring a Switch for NLB .............................................................................................................................465

Enabling a Switch for Multicast NLB............................................................................................................ 466

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29 Multicast Source Discovery Protocol (MSDP)............................................................................................. 467

Protocol Overview................................................................................................................................................. 467

Anycast RP...............................................................................................................................................................468

Implementation Information...............................................................................................................................469

Configure Multicast Source Discovery Protocol.............................................................................................469

Related Configuration Tasks..........................................................................................................................469

Enable MSDP........................................................................................................................................................... 473

Manage the Source-Active Cache......................................................................................................................474

Viewing the Source-Active Cache................................................................................................................474

Limiting the Source-Active Cache................................................................................................................474

Clearing the Source-Active Cache............................................................................................................... 475

Enabling the Rejected Source-Active Cache............................................................................................. 475

Accept Source-Active Messages that Fail the RFP Check.............................................................................475

Specifying Source-Active Messages.................................................................................................................. 478

Limiting the Source-Active Messages from a Peer.........................................................................................479

Preventing MSDP from Caching a Local Source.............................................................................................479

Preventing MSDP from Caching a Remote Source........................................................................................480

Preventing MSDP from Advertising a Local Source....................................................................................... 480

Logging Changes in Peership States..................................................................................................................481

Terminating a Peership......................................................................................................................................... 481

Clearing Peer Statistics......................................................................................................................................... 482

Debugging MSDP...................................................................................................................................................482

MSDP with Anycast RP..........................................................................................................................................483

Configuring Anycast RP........................................................................................................................................484

Reducing Source-Active Message Flooding.............................................................................................. 485

Specifying the RP Address Used in SA Messages...................................................................................... 485

MSDP Sample Configurations............................................................................................................................. 487

30 Multiple Spanning Tree Protocol (MSTP).....................................................................................................490

Protocol Overview.................................................................................................................................................490

Spanning Tree Variations...................................................................................................................................... 491

Implementation Information..........................................................................................................................491

Configure Multiple Spanning Tree Protocol.....................................................................................................491

Related Configuration Tasks.......................................................................................................................... 491

Enable Multiple Spanning Tree Globally........................................................................................................... 492

Adding and Removing Interfaces....................................................................................................................... 492

Creating Multiple Spanning Tree Instances......................................................................................................492

Influencing MSTP Root Selection.......................................................................................................................494

Interoperate with Non-Dell Bridges.................................................................................................................. 494

Changing the Region Name or Revision...........................................................................................................494

Modifying Global Parameters..............................................................................................................................495

Modifying the Interface Parameters.................................................................................................................. 496

Configuring an EdgePort......................................................................................................................................497

Flush MAC Addresses after a Topology Change.............................................................................................498

MSTP Sample Configurations..............................................................................................................................498

Contents

17

Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-

ConfigurationSFTOS Example Running-Configuration...........................................................................498

Debugging and Verifying MSTP Configurations.............................................................................................. 501

31 Multicast Features.............................................................................................................................................503

Enabling IP Multicast............................................................................................................................................. 503

Implementation Information............................................................................................................................... 503

Multicast Policies....................................................................................................................................................504

IPv4 Multicast Policies.....................................................................................................................................504

32 Object Tracking................................................................................................................................................. 512

Object Tracking Overview.................................................................................................................................... 512

Track Layer 2 Interfaces.................................................................................................................................. 513

Track Layer 3 Interfaces.................................................................................................................................. 513

Track IPv4 and IPv6 Routes............................................................................................................................ 514

Set Tracking Delays.......................................................................................................................................... 515

VRRP Object Tracking......................................................................................................................................515

Object Tracking Configuration............................................................................................................................515

Tracking a Layer 2 Interface........................................................................................................................... 515

Tracking a Layer 3 Interface........................................................................................................................... 516

Track an IPv4/IPv6 Route................................................................................................................................518

Displaying Tracked Objects..................................................................................................................................521

33 Open Shortest Path First (OSPFv2 and OSPFv3)......................................................................................... 523

Protocol Overview................................................................................................................................................. 523

Autonomous System (AS) Areas.................................................................................................................... 523

Area Types..........................................................................................................................................................524

Networks and Neighbors................................................................................................................................525

Router Types..................................................................................................................................................... 525

Designated and Backup Designated Routers............................................................................................. 527

Link-State Advertisements (LSAs)..................................................................................................................527

Router Priority and Cost................................................................................................................................. 528

OSPF with Dell Networking OS...........................................................................................................................529

Graceful Restart................................................................................................................................................530

Fast Convergence (OSPFv2, IPv4 Only)....................................................................................................... 531

Multi-Process OSPFv2 with VRF.................................................................................................................... 531

OSPF ACK Packing............................................................................................................................................531

Setting OSPF Adjacency with Cisco Routers.............................................................................................. 531

Configuration Information................................................................................................................................... 532

Configuration Task List for OSPFv2 (OSPF for IPv4)................................................................................. 532

Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................546

Enabling IPv6 Unicast Routing.......................................................................................................................547

Applying cost for OSPFv3............................................................................................................................... 547

Assigning IPv6 Addresses on an Interface...................................................................................................547

Assigning Area ID on an Interface.................................................................................................................547

Assigning OSPFv3 Process ID and Router ID Globally............................................................................. 548

Assigning OSPFv3 Process ID and Router ID to a VRF.............................................................................548

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Configuring Stub Areas................................................................................................................................... 549

Configuring Passive-Interface.......................................................................................................................549

Redistributing Routes...................................................................................................................................... 550

Configuring a Default Route..........................................................................................................................550

Enabling OSPFv3 Graceful Restart................................................................................................................550

OSPFv3 Authentication Using IPsec.............................................................................................................552

Troubleshooting OSPFv3................................................................................................................................558

34 Policy-based Routing (PBR)............................................................................................................................560

Overview..................................................................................................................................................................560

Implementing PBR..................................................................................................................................................561

Configuration Task List for Policy-based Routing...........................................................................................561

PBR Exceptions (Permit)..................................................................................................................................561

Create a Redirect List...................................................................................................................................... 562

Create a Rule for a Redirect-list....................................................................................................................562

Apply a Redirect-list to an Interface using a Redirect-group.................................................................564

Sample Configuration........................................................................................................................................... 566

Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List

GOLD.................................................................................................................................................................. 566

35 PIM Sparse-Mode (PIM-SM)............................................................................................................................ 569

Implementation Information............................................................................................................................... 569

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

Requesting Multicast Traffic...........................................................................................................................569

Refuse Multicast Traffic...................................................................................................................................570

Send Multicast Traffic...................................................................................................................................... 570

Configuring PIM-SM..............................................................................................................................................570

Related Configuration Tasks...........................................................................................................................571

Enable PIM-SM........................................................................................................................................................ 571

Configuring S,G Expiry Timers............................................................................................................................. 571

Configuring a Static Rendezvous Point............................................................................................................. 572

Overriding Bootstrap Router Updates..........................................................................................................572

Configuring a Designated Router....................................................................................................................... 573

Creating Multicast Boundaries and Domains...................................................................................................573

36 PIM Source-Specific Mode (PIM-SSM)..........................................................................................................574

Implementation Information............................................................................................................................... 574

Important Points to Remember.................................................................................................................... 574

Configure PIM-SSM............................................................................................................................................... 575

Related Configuration Tasks.......................................................................................................................... 575

Enabling PIM-SSM.................................................................................................................................................. 575

Use PIM-SSM with IGMP Version 2 Hosts.........................................................................................................575

Configuring PIM-SSM with IGMPv2..............................................................................................................576

37 Power over Ethernet (PoE)...............................................................................................................................577

Configuring PoE or PoE+......................................................................................................................................577

Enable PoE/PoE+............................................................................................................................................. 578

Contents

19

Upgrading the PoE Controller....................................................................................................................... 578

Manage Ports using Power Priority and Power Budget................................................................................. 579

Determine the Power Priority........................................................................................................................ 579

Manage Inline Power.......................................................................................................................................580

Set the Threshold Limit for the PoE Power Budget..................................................................................580

Manage Power Priorities................................................................................................................................. 581

Power Allocation to Ports...............................................................................................................................581

Power Allocation to Additional Ports...........................................................................................................582

Manage Legacy Devices....................................................................................................................................... 582

Suspend Power Delivery on a Port.....................................................................................................................582

Restore Power Delivery on a Port.......................................................................................................................583

Display the Power Details.....................................................................................................................................583

38 Port Monitoring................................................................................................................................................ 584

Important Points to Remember..........................................................................................................................584

Port Monitoring...................................................................................................................................................... 585

Configuring Port Monitoring............................................................................................................................... 586

Configuring Monitor Multicast Queue.............................................................................................................. 588

Enabling Flow-Based Monitoring....................................................................................................................... 589

Remote Port Mirroring..........................................................................................................................................589

Remote Port Mirroring Example................................................................................................................... 590

Configuring Remote Port Mirroring..............................................................................................................591

Displaying Remote-Port Mirroring Configurations...................................................................................592

Configuring the Sample Remote Port Mirroring....................................................................................... 593

Encapsulated Remote Port Monitoring.............................................................................................................596

ERPM Behavior on a typical Dell Networking OS .......................................................................................... 598

Decapsulation of ERPM packets at the Destination IP/ Analyzer.......................................................... 598

39 Private VLANs (PVLAN).................................................................................................................................... 600

Private VLAN Concepts........................................................................................................................................ 600

Using the Private VLAN Commands...................................................................................................................601

Configuration Task List.........................................................................................................................................602

Creating PVLAN ports..................................................................................................................................... 602

Creating a Primary VLAN................................................................................................................................ 603

Creating a Community VLAN........................................................................................................................604

Creating an Isolated VLAN............................................................................................................................. 604

Private VLAN Configuration Example................................................................................................................606

Inspecting the Private VLAN Configuration......................................................................................................607

40 Per-VLAN Spanning Tree Plus (PVST+)........................................................................................................ 609

Protocol Overview.................................................................................................................................................609

Implementation Information............................................................................................................................... 610

Configure Per-VLAN Spanning Tree Plus.......................................................................................................... 611

Related Configuration Tasks...........................................................................................................................611

Enabling PVST+....................................................................................................................................................... 611

Disabling PVST+...................................................................................................................................................... 611

Influencing PVST+ Root Selection......................................................................................................................612

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Dell Networking S3100 Series User guide

Dell Networking S3100 Series User guide

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