Dell PowerSwitch S6000 ON User guide

Dell Configuration Guide for the S6000–ON

System

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 - 05

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

Default Configuration..............................................................................................................................................43

Configuring a Host Name.......................................................................................................................................43

Accessing the System Remotely........................................................................................................................... 43

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

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

Configure a Management Route.....................................................................................................................44

Configuring a Username and Password........................................................................................................44

Configuring the Enable Password........................................................................................................................ 45

Configuration File Management........................................................................................................................... 45

Copy Files to and from the System.................................................................................................................45

Mounting an NFS File System.......................................................................................................................... 46

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

Configure the Overload Bit for a Startup Scenario..................................................................................... 48

Viewing Files........................................................................................................................................................ 48

Managing the File System.......................................................................................................................................49

View Command History..........................................................................................................................................50

Upgrading Dell Networking OS.............................................................................................................................50

Using HTTP for File Transfers................................................................................................................................ 50

Verify Software Images Before Installation..........................................................................................................51

4 Management.......................................................................................................................................................... 53

Configuring Privilege Levels...................................................................................................................................53

Contents

3

Creating a Custom Privilege Level.................................................................................................................. 53

Removing a Command from EXEC Mode.................................................................................................... 54

Moving a Command from EXEC Privilege Mode to EXEC Mode............................................................. 54

Allowing Access to CONFIGURATION Mode Commands........................................................................ 54

Allowing Access to Different Modes.............................................................................................................. 54

Applying a Privilege Level to a Username..................................................................................................... 56

Applying a Privilege Level to a Terminal Line............................................................................................... 56

Configuring Logging................................................................................................................................................56

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

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

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

Log Messages in the Internal Buffer.....................................................................................................................60

Configuration Task List for System Log Management............................................................................... 60

Disabling System Logging...................................................................................................................................... 60

Sending System Messages to a Syslog Server....................................................................................................60

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

Track Login Activity.................................................................................................................................................. 61

Restrictions for Tracking Login Activity..........................................................................................................61

Configuring Login Activity Tracking................................................................................................................61

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

Limit Concurrent Login Sessions.......................................................................................................................... 63

Restrictions for Limiting the Number of Concurrent Sessions.................................................................63

Configuring Concurrent Session Limit...........................................................................................................63

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

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

Display the Logging Buffer and the Logging Configuration........................................................................... 65

Configuring a UNIX Logging Facility Level......................................................................................................... 66

Synchronizing Log Messages.................................................................................................................................67

Enabling Timestamp on Syslog Messages...........................................................................................................67

File Transfer Services............................................................................................................................................... 68

Configuration Task List for File Transfer Services........................................................................................68

Enabling the FTP Server.................................................................................................................................... 68

Configuring FTP Server Parameters............................................................................................................... 69

Configuring FTP Client Parameters................................................................................................................69

Terminal Lines........................................................................................................................................................... 70

Denying and Permitting Access to a Terminal Line.................................................................................... 70

Configuring Login Authentication for Terminal Lines.................................................................................71

Setting Timeout for EXEC Privilege Mode...........................................................................................................72

Using Telnet to get to Another Network Device............................................................................................... 72

Lock CONFIGURATION Mode............................................................................................................................... 73

Viewing the Configuration Lock Status..........................................................................................................73

Reloading the system...............................................................................................................................................73

Restoring the Factory Default Settings................................................................................................................ 74

Important Points to Remember.......................................................................................................................74

Restoring Factory Default Environment Variables....................................................................................... 75

5 802.1X...................................................................................................................................................................... 77

9.10(0.1)

4

Port-Authentication Process..................................................................................................................................79

EAP over RADIUS................................................................................................................................................80

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

Related Configuration Tasks.............................................................................................................................81

Important Points to Remember.............................................................................................................................81

Enabling 802.1X........................................................................................................................................................ 82

Configuring dot1x Profile .......................................................................................................................................83

Configuring MAC addresses for a do1x Profile.................................................................................................. 84

Configuring the Static MAB and MAB Profile .................................................................................................... 84

Configuring Critical VLAN ..................................................................................................................................... 85

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

Configuring a Quiet Period after a Failed Authentication......................................................................... 86

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

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

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

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

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

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

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

6 Access Control Lists (ACLs)................................................................................................................................. 93

IP Access Control Lists (ACLs)............................................................................................................................... 94

CAM Usage.......................................................................................................................................................... 94

Implementing ACLs on Dell Networking OS................................................................................................ 95

Important Points to Remember.............................................................................................................................97

Configuration Task List for Route Maps.........................................................................................................97

Configuring Match Routes............................................................................................................................... 99

Configuring Set Conditions............................................................................................................................100

Configure a Route Map for Route Redistribution...................................................................................... 101

Configure a Route Map for Route Tagging.................................................................................................102

Continue Clause............................................................................................................................................... 102

IP Fragment Handling............................................................................................................................................102

IP Fragments ACL Examples...........................................................................................................................103

Layer 4 ACL Rules Examples.......................................................................................................................... 103

Configure a Standard IP ACL............................................................................................................................... 104

Configuring a Standard IP ACL Filter............................................................................................................105

Configure an Extended IP ACL............................................................................................................................106

Configuring Filters with a Sequence Number............................................................................................ 106

Configuring Filters Without a Sequence Number......................................................................................107

Configure Layer 2 and Layer 3 ACLs..................................................................................................................108

Assign an IP ACL to an Interface.........................................................................................................................108

Applying an IP ACL.................................................................................................................................................108

Counting ACL Hits............................................................................................................................................109

Configure Ingress ACLs.........................................................................................................................................109

Configure Egress ACLs.......................................................................................................................................... 110

Applying Egress Layer 3 ACLs (Control-Plane)........................................................................................... 111

IP Prefix Lists.............................................................................................................................................................111

Contents

5

Implementation Information.......................................................................................................................... 112

Configuration Task List for Prefix Lists..........................................................................................................112

ACL Resequencing..................................................................................................................................................115

Resequencing an ACL or Prefix List.............................................................................................................. 116

Route Maps...............................................................................................................................................................117

Implementation Information.......................................................................................................................... 117

Flow-Based Monitoring Support for ACLs.........................................................................................................117

Behavior of Flow-Based Monitoring.............................................................................................................118

Enabling Flow-Based Monitoring.................................................................................................................. 119

7 Bidirectional Forwarding Detection (BFD)......................................................................................................121

How BFD Works...................................................................................................................................................... 121

BFD Packet Format...........................................................................................................................................122

BFD Sessions......................................................................................................................................................123

BFD Three-Way Handshake........................................................................................................................... 124

Session State Changes.....................................................................................................................................126

Important Points to Remember.......................................................................................................................... 126

Configure BFD.........................................................................................................................................................126

Configure BFD for Physical Ports.................................................................................................................. 127

Configure BFD for Static Routes................................................................................................................... 130

Configure BFD for OSPF..................................................................................................................................132

Configure BFD for OSPFv3............................................................................................................................. 134

Configure BFD for IS-IS...................................................................................................................................136

Configure BFD for BGP................................................................................................................................... 138

Configure BFD for VRRP................................................................................................................................. 145

Configuring Protocol Liveness.......................................................................................................................147

Troubleshooting BFD.......................................................................................................................................147

8 Border Gateway Protocol IPv4 (BGPv4)......................................................................................................... 149

Autonomous Systems (AS)................................................................................................................................... 149

Sessions and Peers..................................................................................................................................................151

Establish a Session............................................................................................................................................152

Route Reflectors..................................................................................................................................................... 152

BGP Attributes......................................................................................................................................................... 153

Best Path Selection Criteria............................................................................................................................ 154

Weight................................................................................................................................................................. 156

Local Preference...............................................................................................................................................156

Multi-Exit Discriminators (MEDs)...................................................................................................................156

Origin...................................................................................................................................................................157

AS Path................................................................................................................................................................ 158

Next Hop............................................................................................................................................................ 158

Multiprotocol BGP..................................................................................................................................................158

Implement BGP with Dell Networking OS........................................................................................................ 159

Additional Path (Add-Path) Support..............................................................................................................159

Advertise IGP Cost as MED for Redistributed Routes............................................................................... 159

Ignore Router-ID in Best-Path Calculation................................................................................................ 160

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

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AS4 Number Representation......................................................................................................................... 160

AS Number Migration.......................................................................................................................................162

BGP4 Management Information Base (MIB)...............................................................................................164

Important Points to Remember.....................................................................................................................164

Configuration Information................................................................................................................................... 165

BGP Configuration................................................................................................................................................. 165

Enabling BGP.....................................................................................................................................................166

Configuring AS4 Number Representations.................................................................................................169

Configuring Peer Groups................................................................................................................................ 170

Configuring BGP Fast Fall-Over.....................................................................................................................173

Configuring Passive Peering...........................................................................................................................174

Maintaining Existing AS Numbers During an AS Migration...................................................................... 175

Allowing an AS Number to Appear in its Own AS Path.............................................................................176

Enabling Graceful Restart................................................................................................................................177

Enabling Neighbor Graceful Restart............................................................................................................. 178

Filtering on an AS-Path Attribute...................................................................................................................178

Regular Expressions as Filters.........................................................................................................................179

Redistributing Routes....................................................................................................................................... 181

Enabling Additional Paths................................................................................................................................181

Configuring IP Community Lists................................................................................................................... 182

Configuring an IP Extended Community List............................................................................................. 183

Filtering Routes with Community Lists........................................................................................................ 184

Manipulating the COMMUNITY Attribute....................................................................................................184

Changing MED Attributes............................................................................................................................... 186

Changing the LOCAL_PREFERENCE Attribute...........................................................................................186

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

Routes................................................................................................................................................................. 187

Changing the WEIGHT Attribute................................................................................................................... 187

Enabling Multipath............................................................................................................................................188

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

Filtering BGP Routes Using Route Maps......................................................................................................189

Filtering BGP Routes Using AS-PATH Information....................................................................................190

Configuring BGP Route Reflectors................................................................................................................191

Aggregating Routes.......................................................................................................................................... 191

Configuring BGP Confederations................................................................................................................. 192

Enabling Route Flap Dampening...................................................................................................................192

Changing BGP Timers..................................................................................................................................... 194

Enabling BGP Neighbor Soft-Reconfiguration...........................................................................................195

Route Map Continue........................................................................................................................................196

Enabling MBGP Configurations...........................................................................................................................196

BGP Regular Expression Optimization...............................................................................................................197

Debugging BGP.......................................................................................................................................................197

Storing Last and Bad PDUs.............................................................................................................................198

Capturing PDUs................................................................................................................................................ 199

PDU Counters...................................................................................................................................................200

Sample Configurations......................................................................................................................................... 200

Contents

7

9 Content Addressable Memory (CAM)..............................................................................................................206

CAM Allocation.......................................................................................................................................................206

Test CAM Usage.....................................................................................................................................................208

View CAM Profiles..................................................................................................................................................208

View CAM-ACL Settings....................................................................................................................................... 209

View CAM Usage.................................................................................................................................................... 210

CAM Optimization.................................................................................................................................................. 211

Troubleshoot CAM Profiling................................................................................................................................. 211

QoS CAM Region Limitation...........................................................................................................................211

Syslog Error When the Table is Full...............................................................................................................211

Syslog Warning Upon 90 Percent Utilization of CAM...............................................................................212

Syslog Warning for Discrepancies Between Configured Extended Prefixes........................................212

Unified Forwarding Table (UFT) Modes............................................................................................................. 212

Configuring UFT Modes.................................................................................................................................. 212

10 Control Plane Policing (CoPP)........................................................................................................................214

Configure Control Plane Policing.......................................................................................................................216

Configuring CoPP for Protocols....................................................................................................................216

Configuring CoPP for CPU Queues............................................................................................................. 218

Displaying CoPP Configuration ....................................................................................................................219

11 Data Center Bridging (DCB).............................................................................................................................221

Ethernet Enhancements in Data Center Bridging........................................................................................... 221

Priority-Based Flow Control.......................................................................................................................... 222

Enhanced Transmission Selection................................................................................................................223

Data Center Bridging Exchange Protocol (DCBx).....................................................................................224

Data Center Bridging in a Traffic Flow.........................................................................................................225

Enabling Data Center Bridging............................................................................................................................225

DCB Maps and its Attributes.......................................................................................................................... 226

Data Center Bridging: Default Configuration...................................................................................................227

Configuring Priority-Based Flow Control......................................................................................................... 227

Configuring Lossless Queues........................................................................................................................ 228

Configuring PFC in a DCB Map...........................................................................................................................230

PFC Configuration Notes............................................................................................................................... 230

PFC Prerequisites and Restrictions............................................................................................................... 231

Applying a DCB Map on a Port............................................................................................................................ 231

Configuring PFC without a DCB Map................................................................................................................ 232

Configuring Lossless QueuesExample:....................................................................................................... 232

Priority-Based Flow Control Using Dynamic Buffer Method....................................................................... 234

Pause and Resume of Traffic......................................................................................................................... 234

Buffer Sizes for Lossless or PFC Packets.....................................................................................................234

Behavior of Tagged Packets................................................................................................................................ 235

Configuration Example for DSCP and PFC Priorities......................................................................................235

SNMP Support for PFC and Buffer Statistics Tracking................................................................................... 236

Performing PFC Using DSCP Bits Instead of 802.1p Bits...............................................................................236

PFC and ETS Configuration Examples............................................................................................................... 237

9.10(0.1)

8

Using PFC to Manage Converged Ethernet Traffic.........................................................................................237

Operations on Untagged Packets.......................................................................................................................237

Generation of PFC for a Priority for Untagged Packets.................................................................................238

Configure Enhanced Transmission Selection..................................................................................................238

ETS Prerequisites and Restrictions................................................................................................................238

Creating an ETS Priority Group..................................................................................................................... 238

ETS Operation with DCBx.............................................................................................................................. 239

Configuring Bandwidth Allocation for DCBx CIN.....................................................................................240

Configuring ETS in a DCB Map......................................................................................................................241

Hierarchical Scheduling in ETS Output Policies..............................................................................................242

Using ETS to Manage Converged Ethernet Traffic......................................................................................... 243

Applying DCB Policies in a Switch Stack...........................................................................................................243

Configure a DCBx Operation.............................................................................................................................. 243

DCBx Operation............................................................................................................................................... 243

DCBx Port Roles............................................................................................................................................... 244

DCB Configuration Exchange....................................................................................................................... 245

Configuration Source Election......................................................................................................................245

Propagation of DCB Information..................................................................................................................246

Auto-Detection and Manual Configuration of the DCBx Version.........................................................246

DCBx Example...................................................................................................................................................247

DCBx Prerequisites and Restrictions............................................................................................................ 247

Configuring DCBx............................................................................................................................................ 247

Verifying the DCB Configuration.........................................................................................................................251

QoS dot1p Traffic Classification and Queue Assignment............................................................................. 259

Configuring the Dynamic Buffer Method.........................................................................................................260

Sample DCB Configuration.................................................................................................................................. 261

PFC and ETS Configuration Command Examples.................................................................................... 262

12 Dynamic Host Configuration Protocol (DHCP)...........................................................................................263

DHCP Packet Format and Options.....................................................................................................................263

Assign an IP Address using DHCP.......................................................................................................................265

Implementation Information............................................................................................................................... 266

Configure the System to be a DHCP Server.................................................................................................... 266

Configuring the Server for Automatic Address Allocation...................................................................... 267

Specifying a Default Gateway........................................................................................................................268

Configure a Method of Hostname Resolution.......................................................................................... 269

Using DNS for Address Resolution............................................................................................................... 269

Using NetBIOS WINS for Address Resolution............................................................................................ 269

Creating Manual Binding Entries...................................................................................................................269

Debugging the DHCP Server......................................................................................................................... 270

Using DHCP Clear Commands..................................................................................................................... 270

Configure the System to be a DHCP Client..................................................................................................... 270

Configuring the DHCP Client System.......................................................................................................... 271

DHCP Client on a Management Interface.................................................................................................. 272

DHCP Client Operation with Other Features............................................................................................. 273

Configure the System for User Port Stacking (Option 230)..........................................................................274

Configure Secure DHCP.......................................................................................................................................274

Contents

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Option 82........................................................................................................................................................... 274

DHCP Snooping................................................................................................................................................275

Drop DHCP Packets on Snooped VLANs Only.......................................................................................... 278

Dynamic ARP Inspection................................................................................................................................ 278

Configuring Dynamic ARP Inspection......................................................................................................... 279

Source Address Validation................................................................................................................................... 280

Enabling IP Source Address Validation........................................................................................................280

DHCP MAC Source Address Validation........................................................................................................281

Enabling IP+MAC Source Address Validation.............................................................................................281

Viewing the Number of SAV Dropped Packets..........................................................................................282

Clearing the Number of SAV Dropped Packets.........................................................................................282

13 Equal Cost Multi-Path (ECMP)........................................................................................................................283

ECMP for Flow-Based Affinity............................................................................................................................. 283

Configuring the Hash Algorithm...................................................................................................................283

Enabling Deterministic ECMP Next Hop..................................................................................................... 283

Configuring the Hash Algorithm Seed.........................................................................................................284

Link Bundle Monitoring........................................................................................................................................ 284

Managing ECMP Group Paths....................................................................................................................... 285

Creating an ECMP Group Bundle................................................................................................................. 285

Modifying the ECMP Group Threshold........................................................................................................285

Support for /128 IPv6 and /32 IPv4 Prefixes in Layer 3 Host Table and LPM Table...........................286

Support for ECMP in host table.....................................................................................................................287

Support for moving /128 IPv6 Prefixes and /32 IPv4 Prefixes ............................................................... 287

14 FIP Snooping......................................................................................................................................................288

Fibre Channel over Ethernet................................................................................................................................288

Ensure Robustness in a Converged Ethernet Network................................................................................. 288

FIP Snooping on Ethernet Bridges..................................................................................................................... 290

Using FIP Snooping................................................................................................................................................292

FIP Snooping Prerequisites.............................................................................................................................292

Important Points to Remember.................................................................................................................... 292

Enabling the FCoE Transit Feature............................................................................................................... 293

Enable FIP Snooping on VLANs.....................................................................................................................293

Configure the FC-MAP Value........................................................................................................................ 294

Configure a Port for a Bridge-to-Bridge Link............................................................................................ 294

Configure a Port for a Bridge-to-FCF Link.................................................................................................294

Impact on Other Software Features.............................................................................................................294

FIP Snooping Restrictions...............................................................................................................................295

Configuring FIP Snooping.............................................................................................................................. 295

Displaying FIP Snooping Information................................................................................................................ 296

FCoE Transit Configuration Example.................................................................................................................301

15 Flex Hash and Optimized Boot-Up................................................................................................................303

Flex Hash Capability Overview............................................................................................................................303

Configuring the Flex Hash Mechanism............................................................................................................. 303

Configuring Fast Boot and LACP Fast Switchover..........................................................................................304

9.10(0.1)

10

Optimizing the Boot Time................................................................................................................................... 304

Booting Process When Optimized Boot Time Mechanism is Enabled.................................................304

Guidelines for Configuring Optimized Booting Mechanism.................................................................. 305

Interoperation of Applications with Fast Boot and System States.............................................................. 306

LACP and IPv4 Routing...................................................................................................................................306

LACP and IPv6 Routing...................................................................................................................................306

BGP Graceful Restart.......................................................................................................................................307

Cold Boot Caused by Power Cycling the System..................................................................................... 307

Unexpected Reload of the System............................................................................................................... 307

Software Upgrade............................................................................................................................................ 307

LACP Fast Switchover......................................................................................................................................307

Changes to BGP Multipath.............................................................................................................................308

Delayed Installation of ECMP Routes Into BGP.........................................................................................308

RDMA Over Converged Ethernet (RoCE) Overview....................................................................................... 308

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...........................................................................309

16 Force10 Resilient Ring Protocol (FRRP)........................................................................................................310

Protocol Overview................................................................................................................................................. 310

Ring Status.......................................................................................................................................................... 311

Multiple FRRP Rings.......................................................................................................................................... 311

Important FRRP Points.....................................................................................................................................312

Important FRRP Concepts.............................................................................................................................. 313

Implementing FRRP............................................................................................................................................... 314

FRRP Configuration................................................................................................................................................314

Creating the FRRP Group................................................................................................................................314

Configuring the Control VLAN.......................................................................................................................315

Configuring and Adding the Member VLANs............................................................................................. 316

Setting the FRRP Timers.................................................................................................................................. 317

Clearing the FRRP Counters........................................................................................................................... 317

Viewing the FRRP Configuration................................................................................................................... 317

Viewing the FRRP Information....................................................................................................................... 317

Troubleshooting FRRP...........................................................................................................................................318

Configuration Checks......................................................................................................................................318

Sample Configuration and Topology.................................................................................................................318

17 GARP VLAN Registration Protocol (GVRP)................................................................................................... 320

Important Points to Remember..........................................................................................................................320

Configure GVRP......................................................................................................................................................321

Related Configuration Tasks.......................................................................................................................... 321

Enabling GVRP Globally........................................................................................................................................ 321

Enabling GVRP on a Layer 2 Interface............................................................................................................... 322

Configure GVRP Registration.............................................................................................................................. 322

Configure a GARP Timer.......................................................................................................................................323

18 Internet Group Management Protocol (IGMP)............................................................................................324

IGMP Implementation Information....................................................................................................................324

IGMP Protocol Overview......................................................................................................................................324

Contents

11

IGMP Version 2................................................................................................................................................. 324

IGMP Version 3................................................................................................................................................. 326

Configure IGMP......................................................................................................................................................328

Related Configuration Tasks..........................................................................................................................329

Viewing IGMP Enabled Interfaces.......................................................................................................................329

Selecting an IGMP Version...................................................................................................................................329

Viewing IGMP Groups...........................................................................................................................................330

Adjusting Timers.....................................................................................................................................................330

Adjusting Query and Response Timers....................................................................................................... 330

Enabling IGMP Immediate-Leave........................................................................................................................331

IGMP Snooping....................................................................................................................................................... 331

IGMP Snooping Implementation Information............................................................................................331

Configuring IGMP Snooping.......................................................................................................................... 331

Removing a Group-Port Association........................................................................................................... 332

Disabling Multicast Flooding..........................................................................................................................332

Specifying a Port as Connected to a Multicast Router.............................................................................333

Configuring the Switch as Querier............................................................................................................... 333

Fast Convergence after MSTP Topology Changes.........................................................................................334

Egress Interface Selection (EIS) for HTTP and IGMP Applications...............................................................334

Protocol Separation.........................................................................................................................................334

Enabling and Disabling Management Egress Interface Selection..........................................................335

Handling of Management Route Configuration........................................................................................336

Handling of Switch-Initiated Traffic............................................................................................................. 337

Handling of Switch-Destined Traffic............................................................................................................337

Handling of Transit Traffic (Traffic Separation)..........................................................................................338

Mapping of Management Applications and Traffic Type.........................................................................338

Behavior of Various Applications for Switch-Initiated Traffic ................................................................339

Behavior of Various Applications for Switch-Destined Traffic ..............................................................340

Interworking of EIS With Various Applications........................................................................................... 341

Designating a Multicast Router Interface.......................................................................................................... 341

19 Interfaces............................................................................................................................................................343

Basic Interface Configuration..............................................................................................................................343

Advanced Interface Configuration..................................................................................................................... 343

Interface Types....................................................................................................................................................... 344

View Basic Interface Information....................................................................................................................... 344

Resetting an Interface to its Factory Default State......................................................................................... 346

Enabling a Physical Interface...............................................................................................................................346

Physical Interfaces..................................................................................................................................................347

Configuration Task List for Physical Interfaces..........................................................................................347

40G to 1G Breakout Cable Adaptor..............................................................................................................347

Overview of Layer Modes...............................................................................................................................348

Configuring Layer 2 (Data Link) Mode.........................................................................................................348

Configuring Layer 2 (Interface) Mode..........................................................................................................349

Configuring Layer 3 (Network) Mode.......................................................................................................... 349

Configuring Layer 3 (Interface) Mode..........................................................................................................349

Egress Interface Selection (EIS)...........................................................................................................................350

9.10(0.1)

12

Important Points to Remember.................................................................................................................... 350

Configuring EIS.................................................................................................................................................350

Management Interfaces........................................................................................................................................ 351

Configuring Management Interfaces............................................................................................................351

Configuring a Management Interface on an Ethernet Port.................................................................... 353

VLAN Interfaces...................................................................................................................................................... 353

Loopback Interfaces..............................................................................................................................................354

Null Interfaces.........................................................................................................................................................355

Port Channel Interfaces........................................................................................................................................ 355

Port Channel Definition and Standards....................................................................................................... 355

Port Channel Benefits......................................................................................................................................355

Port Channel Implementation.......................................................................................................................355

Interfaces in Port Channels............................................................................................................................356

Configuration Tasks for Port Channel Interfaces......................................................................................356

Creating a Port Channel..................................................................................................................................357

Adding a Physical Interface to a Port Channel...........................................................................................357

Reassigning an Interface to a New Port Channel......................................................................................359

Configuring the Minimum Oper Up Links in a Port Channel..................................................................359

Adding or Removing a Port Channel from a VLAN...................................................................................360

Assigning an IP Address to a Port Channel................................................................................................. 361

Deleting or Disabling a Port Channel...........................................................................................................361

Load Balancing Through Port Channels......................................................................................................361

Changing the Hash Algorithm.......................................................................................................................362

Bulk Configuration.................................................................................................................................................363

Interface Range.................................................................................................................................................363

Bulk Configuration Examples........................................................................................................................ 363

Defining Interface Range Macros....................................................................................................................... 365

Define the Interface Range............................................................................................................................ 365

Choosing an Interface-Range Macro.......................................................................................................... 365

Monitoring and Maintaining Interfaces............................................................................................................. 365

Maintenance Using TDR................................................................................................................................. 366

Splitting 40G Ports without Reload....................................................................................................................367

Splitting QSFP Ports to SFP+ Ports.....................................................................................................................368

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..........................................................................369

Important Points to Remember.................................................................................................................... 370

Example Scenarios........................................................................................................................................... 370

Configuring wavelength for 10–Gigabit SFP+ optics..................................................................................... 371

Link Dampening...................................................................................................................................................... 371

Important Points to Remember.....................................................................................................................372

Enabling Link Dampening...............................................................................................................................372

Link Bundle Monitoring.........................................................................................................................................373

Using Ethernet Pause Frames for Flow Control.............................................................................................. 374

Enabling Pause Frames....................................................................................................................................375

Configure the MTU Size on an Interface...........................................................................................................375

Port-Pipes................................................................................................................................................................ 376

Auto-Negotiation on Ethernet Interfaces......................................................................................................... 376

Setting the Speed and Duplex Mode of Ethernet Interfaces...................................................................377

Contents

13

Set Auto-Negotiation Options.......................................................................................................................378

View Advanced Interface Information............................................................................................................... 379

Configuring the Interface Sampling Size.....................................................................................................379

Dynamic Counters.................................................................................................................................................380

Clearing Interface Counters...........................................................................................................................381

Compressing Configuration Files........................................................................................................................381

20 IPv4 Routing...................................................................................................................................................... 385

IP Addresses............................................................................................................................................................ 386

Implementation Information......................................................................................................................... 386

Configuration Tasks for IP Addresses................................................................................................................386

Assigning IP Addresses to an Interface..............................................................................................................386

Configuring Static Routes.....................................................................................................................................387

Configure Static Routes for the Management Interface............................................................................... 388

Using the Configured Source IP Address in ICMP Messages....................................................................... 389

Configuring the ICMP Source Interface......................................................................................................389

Configuring the Duration to Establish a TCP Connection............................................................................389

Enabling Directed Broadcast...............................................................................................................................390

Resolution of Host Names...................................................................................................................................390

Enabling Dynamic Resolution of Host Names................................................................................................ 390

Specifying the Local System Domain and a List of Domains........................................................................391

Configuring DNS with Traceroute...................................................................................................................... 391

ARP............................................................................................................................................................................ 392

Configuration Tasks for ARP................................................................................................................................392

Configuring Static ARP Entries............................................................................................................................ 392

Enabling Proxy ARP................................................................................................................................................393

Clearing ARP Cache...............................................................................................................................................393

ARP Learning via Gratuitous ARP........................................................................................................................393

Enabling ARP Learning via Gratuitous ARP.......................................................................................................394

ARP Learning via ARP Request............................................................................................................................ 394

Configuring ARP Retries....................................................................................................................................... 395

ICMP..........................................................................................................................................................................395

Configuration Tasks for ICMP............................................................................................................................. 395

Enabling ICMP Unreachable Messages............................................................................................................. 395

UDP Helper..............................................................................................................................................................396

Configure UDP Helper.................................................................................................................................... 396

Important Points to Remember.................................................................................................................... 396

Enabling UDP Helper.............................................................................................................................................396

Configuring a Broadcast Address....................................................................................................................... 396

Configurations Using UDP Helper......................................................................................................................397

UDP Helper with Broadcast-All Addresses....................................................................................................... 397

UDP Helper with Subnet Broadcast Addresses............................................................................................... 398

UDP Helper with Configured Broadcast Addresses....................................................................................... 398

UDP Helper with No Configured Broadcast Addresses.................................................................................399

Troubleshooting UDP Helper..............................................................................................................................399

21 IPv6 Routing...................................................................................................................................................... 400

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Protocol Overview.................................................................................................................................................400

Extended Address Space.................................................................................................................................401

Stateless Autoconfiguration........................................................................................................................... 401

IPv6 Headers......................................................................................................................................................401

Longest Prefix Match (LPM) Table and IPv6 /65 – /128 support........................................................... 402

IPv6 Header Fields............................................................................................................................................403

Extension Header Fields................................................................................................................................. 405

Addressing......................................................................................................................................................... 406

Implementing IPv6 with Dell Networking OS..................................................................................................407

ICMPv6.....................................................................................................................................................................408

Path MTU Discovery..............................................................................................................................................409

IPv6 Neighbor Discovery......................................................................................................................................409

IPv6 Neighbor Discovery of MTU Packets.................................................................................................. 410

Configuring the IPv6 Recursive DNS Server...............................................................................................410

Debugging IPv6 RDNSS Information Sent to the Host ............................................................................411

Displaying IPv6 RDNSS Information..............................................................................................................411

Secure Shell (SSH) Over an IPv6 Transport.......................................................................................................412

Configuration Tasks for IPv6................................................................................................................................412

Adjusting Your CAM-Profile........................................................................................................................... 412

Assigning an IPv6 Address to an Interface.................................................................................................. 413

Assigning a Static IPv6 Route......................................................................................................................... 413

Configuring Telnet with IPv6......................................................................................................................... 414

SNMP over IPv6.................................................................................................................................................414

Displaying IPv6 Information........................................................................................................................... 415

Displaying an IPv6 Interface Information.................................................................................................... 415

Showing IPv6 Routes.......................................................................................................................................416

Showing the Running-Configuration for an Interface..............................................................................417

Clearing IPv6 Routes........................................................................................................................................417

Configuring IPv6 RA Guard.................................................................................................................................. 418

Configuring IPv6 RA Guard on an Interface............................................................................................... 419

Monitoring IPv6 RA Guard..............................................................................................................................420

22 iSCSI Optimization............................................................................................................................................421

iSCSI Optimization Overview...............................................................................................................................421

Monitoring iSCSI Traffic Flows...................................................................................................................... 422

Application of Quality of Service to iSCSI Traffic Flows...........................................................................423

Information Monitored in iSCSI Traffic Flows............................................................................................ 423

Detection and Auto-Configuration for Dell EqualLogic Arrays............................................................. 424

Configuring Detection and Ports for Dell Compellent Arrays................................................................424

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................... 425

Enable and Disable iSCSI Optimization....................................................................................................... 425

Default iSCSI Optimization Values..................................................................................................................... 426

iSCSI Optimization Prerequisites........................................................................................................................ 426

Configuring iSCSI Optimization..........................................................................................................................426

Displaying iSCSI Optimization Information......................................................................................................428

23 Intermediate System to Intermediate System.............................................................................................430

Contents

15

IS-IS Protocol Overview....................................................................................................................................... 430

IS-IS Addressing..................................................................................................................................................... 430

Multi-Topology IS-IS............................................................................................................................................. 431

Transition Mode................................................................................................................................................ 431

Interface Support..............................................................................................................................................432

Adjacencies........................................................................................................................................................432

Graceful Restart......................................................................................................................................................432

Timers................................................................................................................................................................. 432

Implementation Information............................................................................................................................... 433

Configuration Information................................................................................................................................... 433

Configuration Tasks for IS-IS.........................................................................................................................434

Configuring the Distance of a Route............................................................................................................441

Changing the IS-Type..................................................................................................................................... 442

Redistributing IPv4 Routes............................................................................................................................. 444

Redistributing IPv6 Routes............................................................................................................................. 445

Configuring Authentication Passwords.......................................................................................................446

Setting the Overload Bit..................................................................................................................................446

Debugging IS-IS................................................................................................................................................447

IS-IS Metric Styles.................................................................................................................................................. 448

Configure Metric Values.......................................................................................................................................448

Maximum Values in the Routing Table........................................................................................................448

Change the IS-IS Metric Style in One Level Only......................................................................................448

Leaks from One Level to Another.................................................................................................................450

Sample Configurations..........................................................................................................................................451

24 Link Aggregation Control Protocol (LACP)................................................................................................. 453

Introduction to Dynamic LAGs and LACP.........................................................................................................453

Important Points to Remember.................................................................................................................... 453

LACP Modes...................................................................................................................................................... 454

Configuring LACP Commands......................................................................................................................454

LACP Configuration Tasks....................................................................................................................................455

Creating a LAG..................................................................................................................................................455

Configuring the LAG Interfaces as Dynamic.............................................................................................. 455

Setting the LACP Long Timeout....................................................................................................................456

Monitoring and Debugging LACP.................................................................................................................456

Shared LAG State Tracking...................................................................................................................................457

Configuring Shared LAG State Tracking......................................................................................................457

Important Points about Shared LAG State Tracking.................................................................................458

LACP Basic Configuration Example................................................................................................................... 459

Configure a LAG on ALPHA............................................................................................................................459

25 Layer 2.................................................................................................................................................................468

Manage the MAC Address Table.........................................................................................................................468

Clearing the MAC Address Table.................................................................................................................. 468

Setting the Aging Time for Dynamic Entries.............................................................................................. 468

Configuring a Static MAC Address............................................................................................................... 469

Displaying the MAC Address Table...............................................................................................................469

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MAC Learning Limit............................................................................................................................................... 469

Setting the MAC Learning Limit.....................................................................................................................470

mac learning-limit Dynamic.......................................................................................................................... 470

mac learning-limit mac-address-sticky...................................................................................................... 470

mac learning-limit station-move.................................................................................................................. 471

mac learning-limit no-station-move........................................................................................................... 471

Learning Limit Violation Actions....................................................................................................................471

Setting Station Move Violation Actions........................................................................................................472

Recovering from Learning Limit and Station Move Violations............................................................... 472

Disabling MAC Address Learning on the System.......................................................................................473

NIC Teaming........................................................................................................................................................... 473

Configure Redundant Pairs..................................................................................................................................474

Important Points about Configuring Redundant Pairs.............................................................................476

Far-End Failure Detection.....................................................................................................................................477

FEFD State Changes.........................................................................................................................................478

Configuring FEFD............................................................................................................................................. 479

Enabling FEFD on an Interface...................................................................................................................... 479

Debugging FEFD.............................................................................................................................................. 480

26 Link Layer Discovery Protocol (LLDP)...........................................................................................................482

802.1AB (LLDP) Overview.....................................................................................................................................482

Protocol Data Units......................................................................................................................................... 482

Optional TLVs......................................................................................................................................................... 483

Management TLVs........................................................................................................................................... 484

TIA-1057 (LLDP-MED) Overview........................................................................................................................ 485

TIA Organizationally Specific TLVs...............................................................................................................486

Configure LLDP......................................................................................................................................................489

Related Configuration Tasks..........................................................................................................................490

Important Points to Remember....................................................................................................................490

LLDP Compatibility..........................................................................................................................................490

CONFIGURATION versus INTERFACE Configurations.................................................................................. 490

Enabling LLDP......................................................................................................................................................... 491

Disabling and Undoing LLDP......................................................................................................................... 491

Enabling LLDP on Management Ports............................................................................................................... 491

Disabling and Undoing LLDP on Management Ports............................................................................... 491

Advertising TLVs..................................................................................................................................................... 492

Viewing the LLDP Configuration........................................................................................................................ 493

Viewing Information Advertised by Adjacent LLDP Agents.......................................................................... 494

Configuring LLDPDU Intervals............................................................................................................................ 494

Configuring Transmit and Receive Mode......................................................................................................... 495

Configuring the Time to Live Value................................................................................................................... 496

Debugging LLDP.................................................................................................................................................... 497

Relevant Management Objects...........................................................................................................................497

27 Microsoft Network Load Balancing...............................................................................................................503

NLB Unicast Mode Scenario................................................................................................................................ 503

NLB Multicast Mode Scenario............................................................................................................................. 503

Contents

17

Limitations of the NLB Feature........................................................................................................................... 504

Microsoft Clustering..............................................................................................................................................504

Enable and Disable VLAN Flooding ...................................................................................................................504

Configuring a Switch for NLB .............................................................................................................................504

Enabling a Switch for Multicast NLB............................................................................................................ 505

28 Multicast Source Discovery Protocol (MSDP)............................................................................................. 506

Protocol Overview.................................................................................................................................................506

Anycast RP............................................................................................................................................................... 507

Implementation Information...............................................................................................................................508

Configure Multicast Source Discovery Protocol.............................................................................................508

Related Configuration Tasks..........................................................................................................................508

Enable MSDP........................................................................................................................................................... 512

Manage the Source-Active Cache...................................................................................................................... 513

Viewing the Source-Active Cache................................................................................................................ 513

Limiting the Source-Active Cache................................................................................................................ 513

Clearing the Source-Active Cache............................................................................................................... 514

Enabling the Rejected Source-Active Cache..............................................................................................514

Accept Source-Active Messages that Fail the RFP Check............................................................................. 514

Specifying Source-Active Messages................................................................................................................... 517

Limiting the Source-Active Messages from a Peer......................................................................................... 518

Preventing MSDP from Caching a Local Source............................................................................................. 518

Preventing MSDP from Caching a Remote Source.........................................................................................519

Preventing MSDP from Advertising a Local Source........................................................................................ 519

Logging Changes in Peership States..................................................................................................................520

Terminating a Peership.........................................................................................................................................520

Clearing Peer Statistics.......................................................................................................................................... 521

Debugging MSDP....................................................................................................................................................521

MSDP with Anycast RP.......................................................................................................................................... 522

Configuring Anycast RP........................................................................................................................................ 523

Reducing Source-Active Message Flooding...............................................................................................524

Specifying the RP Address Used in SA Messages...................................................................................... 524

MSDP Sample Configurations............................................................................................................................. 526

29 Multiple Spanning Tree Protocol (MSTP)..................................................................................................... 529

Protocol Overview................................................................................................................................................. 529

Spanning Tree Variations......................................................................................................................................530

Implementation Information......................................................................................................................... 530

Configure Multiple Spanning Tree Protocol.................................................................................................... 530

Related Configuration Tasks..........................................................................................................................530

Enable Multiple Spanning Tree Globally............................................................................................................531

Adding and Removing Interfaces........................................................................................................................ 531

Creating Multiple Spanning Tree Instances...................................................................................................... 531

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

Interoperate with Non-Dell Bridges...................................................................................................................533

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

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

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

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

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

MSTP Sample Configurations..............................................................................................................................538

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

ConfigurationSFTOS Example Running-Configuration...........................................................................538

Debugging and Verifying MSTP Configurations..............................................................................................542

30 Multicast Features............................................................................................................................................ 544

Enabling IP Multicast............................................................................................................................................. 544

Implementation Information............................................................................................................................... 544

Multicast Policies....................................................................................................................................................545

IPv4 Multicast Policies.....................................................................................................................................545

31 Object Tracking................................................................................................................................................. 553

Object Tracking Overview....................................................................................................................................553

Track Layer 2 Interfaces..................................................................................................................................554

Track Layer 3 Interfaces..................................................................................................................................554

Track IPv4 and IPv6 Routes............................................................................................................................555

Set Tracking Delays..........................................................................................................................................556

VRRP Object Tracking..................................................................................................................................... 556

Object Tracking Configuration........................................................................................................................... 556

Tracking a Layer 2 Interface...........................................................................................................................556

Tracking a Layer 3 Interface........................................................................................................................... 557

Track an IPv4/IPv6 Route............................................................................................................................... 559

Displaying Tracked Objects................................................................................................................................. 562

32 Open Shortest Path First (OSPFv2 and OSPFv3)......................................................................................... 564

Protocol Overview.................................................................................................................................................564

Autonomous System (AS) Areas....................................................................................................................564

Area Types..........................................................................................................................................................565

Networks and Neighbors................................................................................................................................566

Router Types..................................................................................................................................................... 566

Designated and Backup Designated Routers.............................................................................................568

Link-State Advertisements (LSAs)................................................................................................................. 568

Router Priority and Cost................................................................................................................................. 569

OSPF with Dell Networking OS...........................................................................................................................570

Graceful Restart.................................................................................................................................................571

Fast Convergence (OSPFv2, IPv4 Only)....................................................................................................... 572

Multi-Process OSPFv2 with VRF....................................................................................................................572

RFC-2328 Compliant OSPF Flooding.......................................................................................................... 572

OSPF ACK Packing............................................................................................................................................573

Setting OSPF Adjacency with Cisco Routers.............................................................................................. 573

Configuration Information................................................................................................................................... 574

Configuration Task List for OSPFv2 (OSPF for IPv4)................................................................................. 574

Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................................588

Enabling IPv6 Unicast Routing...................................................................................................................... 589

Contents

19

Applying cost for OSPFv3...............................................................................................................................589

Assigning IPv6 Addresses on an Interface.................................................................................................. 589

Assigning Area ID on an Interface................................................................................................................ 589

Assigning OSPFv3 Process ID and Router ID Globally.............................................................................590

Assigning OSPFv3 Process ID and Router ID to a VRF.............................................................................590

Configuring Stub Areas....................................................................................................................................591

Configuring Passive-Interface....................................................................................................................... 591

Redistributing Routes...................................................................................................................................... 592

Configuring a Default Route..........................................................................................................................592

Enabling OSPFv3 Graceful Restart................................................................................................................592

OSPFv3 Authentication Using IPsec.............................................................................................................594

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

33 Policy-based Routing (PBR)............................................................................................................................602

Overview..................................................................................................................................................................602

Implementing PBR.................................................................................................................................................603

Configuration Task List for Policy-based Routing..........................................................................................603

PBR Exceptions (Permit).................................................................................................................................604

Create a Redirect List...................................................................................................................................... 604

Create a Rule for a Redirect-list................................................................................................................... 604

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

Sample Configuration...........................................................................................................................................608

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

GOLD..................................................................................................................................................................609

34 PIM Sparse-Mode (PIM-SM)............................................................................................................................ 612

Implementation Information................................................................................................................................612

Protocol Overview................................................................................................................................................. 612

Requesting Multicast Traffic...........................................................................................................................612

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

Send Multicast Traffic...................................................................................................................................... 613

Configuring PIM-SM.............................................................................................................................................. 613

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

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

Configuring S,G Expiry Timers.............................................................................................................................615

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

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

Configuring a Designated Router....................................................................................................................... 616

Creating Multicast Boundaries and Domains................................................................................................... 617

35 PIM Source-Specific Mode (PIM-SSM).......................................................................................................... 618

Implementation Information............................................................................................................................... 618

Important Points to Remember.....................................................................................................................618

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

Related Configuration Tasks.......................................................................................................................... 619

Enabling PIM-SSM..................................................................................................................................................619

Use PIM-SSM with IGMP Version 2 Hosts.........................................................................................................619

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Dell PowerSwitch S6000 ON User guide

Dell PowerSwitch S6000 ON User guide

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