Dell PowerSwitch S6010-ON Administrator Guide

Dell Conguration Guide for the S6010–ON

System

9.11(2.5)

Notes, cautions, and warnings

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

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

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

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2017 - 10

Rev. A00

Contents

1 About this Guide...........................................................................................................................................34

Audience............................................................................................................................................................................34

Conventions......................................................................................................................................................................34

Related Documents......................................................................................................................................................... 34

2 Conguration Fundamentals........................................................................................................................ 35

Accessing the Command Line........................................................................................................................................35

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

Navigating CLI Modes............................................................................................................................................... 37

The do Command............................................................................................................................................................ 39

Undoing Commands........................................................................................................................................................ 40

Obtaining Help..................................................................................................................................................................40

Entering and Editing Commands.................................................................................................................................... 41

Command History............................................................................................................................................................ 42

Filtering show Command Outputs.................................................................................................................................42

Example of the grep Keyword.................................................................................................................................. 42

Multiple Users in Conguration Mode...........................................................................................................................43

3 Getting Started............................................................................................................................................44

Console Access................................................................................................................................................................45

Serial Console.............................................................................................................................................................45

Default Conguration...................................................................................................................................................... 46

Conguring a Host Name............................................................................................................................................... 46

Accessing the System Remotely....................................................................................................................................46

Accessing the System Remotely..............................................................................................................................47

Congure the Management Port IP Address......................................................................................................... 47

Congure a Management Route..............................................................................................................................47

Conguring a Username and Password.................................................................................................................. 47

Conguring the Enable Password..................................................................................................................................48

Conguration File Management.....................................................................................................................................48

Copy Files to and from the System......................................................................................................................... 48

Mounting an NFS File System..................................................................................................................................49

Save the Running-Conguration.............................................................................................................................. 51

Congure the Overload Bit for a Startup Scenario................................................................................................ 51

Viewing Files................................................................................................................................................................51

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

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

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

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

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

4 Management............................................................................................................................................... 56

Contents

3

Conguring Privilege Levels........................................................................................................................................... 56

Creating a Custom Privilege Level...........................................................................................................................56

Removing a Command from EXEC Mode.............................................................................................................. 57

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................57

Allowing Access to CONFIGURATION Mode Commands.................................................................................... 57

Allowing Access to Dierent Modes........................................................................................................................57

Applying a Privilege Level to a Username............................................................................................................... 59

Applying a Privilege Level to a Terminal Line.......................................................................................................... 59

Conguring Logging........................................................................................................................................................ 59

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

Conguring Logging Format ................................................................................................................................... 61

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

Log Messages in the Internal Buer..............................................................................................................................63

Conguration Task List for System Log Management.......................................................................................... 63

Disabling System Logging............................................................................................................................................... 63

Sending System Messages to a Syslog Server............................................................................................................63

Conguring a UNIX System as a Syslog Server.....................................................................................................63

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

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

Conguring Login Activity Tracking......................................................................................................................... 64

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

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

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

Conguring Concurrent Session Limit.....................................................................................................................66

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

Enabling Secured CLI Mode........................................................................................................................................... 68

Changing System Logging Settings...............................................................................................................................68

Display the Logging Buer and the Logging Conguration........................................................................................69

Conguring a UNIX Logging Facility Level....................................................................................................................69

Synchronizing Log Messages......................................................................................................................................... 70

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

File Transfer Services....................................................................................................................................................... 71

Conguration Task List for File Transfer Services..................................................................................................72

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

Conguring FTP Server Parameters........................................................................................................................72

Conguring FTP Client Parameters......................................................................................................................... 73

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

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

Conguring Login Authentication for Terminal Lines............................................................................................. 74

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

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

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

Viewing the Conguration Lock Status...................................................................................................................76

Restoring the Factory Default Settings.........................................................................................................................77

Important Points to Remember................................................................................................................................77

4

Contents

Restoring Factory Default Environment Variables................................................................................................. 78

5 802.1X......................................................................................................................................................... 80

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

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

Conguring 802.1X...........................................................................................................................................................83

Related Conguration Tasks..................................................................................................................................... 83

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

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

Conguring Request Identity Re-Transmissions...........................................................................................................85

Conguring a Quiet Period after a Failed Authentication..................................................................................... 86

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

Re-Authenticating a Port................................................................................................................................................ 87

Conguring Timeouts......................................................................................................................................................88

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................89

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

Conguring a Guest VLAN........................................................................................................................................91

Conguring an Authentication-Fail VLAN............................................................................................................... 91

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

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

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

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

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

Conguration Task List for Route Maps..................................................................................................................97

Conguring Match Routes........................................................................................................................................99

Conguring Set Conditions.....................................................................................................................................100

Congure a Route Map for Route Redistribution..................................................................................................101

Congure a Route Map for Route Tagging........................................................................................................... 102

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

IP Fragment Handling.................................................................................................................................................... 103

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

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

Congure a Standard IP ACL........................................................................................................................................104

Conguring a Standard IP ACL Filter.....................................................................................................................105

Congure an Extended IP ACL.....................................................................................................................................106

Conguring Filters with a Sequence Number.......................................................................................................106

Conguring Filters Without a Sequence Number................................................................................................ 108

Congure Layer 2 and Layer 3 ACLs............................................................................................................................108

Assign an IP ACL to an Interface..................................................................................................................................109

Applying an IP ACL.........................................................................................................................................................109

Counting ACL Hits.................................................................................................................................................... 110

Congure Ingress ACLs.................................................................................................................................................. 110

Congure Egress ACLs....................................................................................................................................................111

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

IP Prex Lists...................................................................................................................................................................112

Contents

5

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

Conguration Task List for Prex Lists...................................................................................................................113

ACL Resequencing..........................................................................................................................................................116

Resequencing an ACL or Prex List........................................................................................................................117

Route Maps......................................................................................................................................................................118

Implementation Information..................................................................................................................................... 118

Flow-Based Monitoring.................................................................................................................................................. 118

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

Enabling Flow-Based Monitoring............................................................................................................................120

Conguring IP Mirror Access Group.............................................................................................................................121

Sample Conguration...............................................................................................................................................122

Example of viewing IP mirror–access–group applied to an Interface................................................................122

7 Bidirectional Forwarding Detection (BFD)...................................................................................................123

How BFD Works............................................................................................................................................................. 123

BFD Packet Format..................................................................................................................................................124

BFD Sessions............................................................................................................................................................ 125

BFD Three-Way Handshake.................................................................................................................................... 126

Session State Changes............................................................................................................................................128

Important Points to Remember.................................................................................................................................... 128

Congure BFD................................................................................................................................................................ 128

Congure BFD for Physical Ports...........................................................................................................................129

Congure BFD for Static Routes............................................................................................................................130

Congure BFD for OSPF.........................................................................................................................................133

Congure BFD for OSPFv3.....................................................................................................................................139

Congure BFD for IS-IS...........................................................................................................................................142

Congure BFD for BGP........................................................................................................................................... 144

Congure BFD for VRRP.........................................................................................................................................150

Conguring Protocol Liveness................................................................................................................................153

Troubleshooting BFD................................................................................................................................................153

8 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 155

Autonomous Systems (AS)...........................................................................................................................................155

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

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

Route Reectors.............................................................................................................................................................158

BGP Attributes................................................................................................................................................................159

Best Path Selection Criteria....................................................................................................................................159

Weight........................................................................................................................................................................ 161

Local Preference........................................................................................................................................................161

Multi-Exit Discriminators (MEDs)...........................................................................................................................162

Origin..........................................................................................................................................................................163

AS Path......................................................................................................................................................................164

Next Hop................................................................................................................................................................... 164

Multiprotocol BGP..........................................................................................................................................................164

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

6

Contents

Additional Path (Add-Path) Support......................................................................................................................165

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 165

Ignore Router-ID in Best-Path Calculation............................................................................................................ 166

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

AS4 Number Representation.................................................................................................................................. 166

AS Number Migration.............................................................................................................................................. 168

BGP4 Management Information Base (MIB)........................................................................................................169

Important Points to Remember..............................................................................................................................169

Conguration Information..............................................................................................................................................170

BGP Conguration..........................................................................................................................................................170

Enabling BGP............................................................................................................................................................. 171

Conguring AS4 Number Representations............................................................................................................174

Conguring Peer Groups......................................................................................................................................... 176

Conguring BGP Fast Fall-Over............................................................................................................................. 178

Conguring Passive Peering................................................................................................................................... 180

Maintaining Existing AS Numbers During an AS Migration.................................................................................180

Allowing an AS Number to Appear in its Own AS Path........................................................................................181

Enabling Graceful Restart........................................................................................................................................182

Enabling Neighbor Graceful Restart.......................................................................................................................183

Filtering on an AS-Path Attribute........................................................................................................................... 183

Regular Expressions as Filters.................................................................................................................................185

Redistributing Routes...............................................................................................................................................186

Enabling Additional Paths.........................................................................................................................................187

Conguring IP Community Lists............................................................................................................................. 187

Conguring an IP Extended Community List........................................................................................................188

Filtering Routes with Community Lists..................................................................................................................189

Manipulating the COMMUNITY Attribute.............................................................................................................190

Changing MED Attributes........................................................................................................................................ 191

Changing the LOCAL_PREFERENCE Attribute................................................................................................... 191

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 192

Changing the WEIGHT Attribute............................................................................................................................193

Enabling Multipath....................................................................................................................................................193

Filtering BGP Routes................................................................................................................................................193

Filtering BGP Routes Using Route Maps.............................................................................................................. 195

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 195

Conguring BGP Route Reectors........................................................................................................................ 196

Aggregating Routes..................................................................................................................................................197

Conguring BGP Confederations........................................................................................................................... 197

Enabling Route Flap Dampening.............................................................................................................................198

Changing BGP Timers.............................................................................................................................................200

Enabling BGP Neighbor Soft-Reconguration.....................................................................................................200

Enabling or disabling BGP neighbors..................................................................................................................... 201

Route Map Continue............................................................................................................................................... 203

Enabling MBGP Congurations................................................................................................................................... 203

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 204

Contents

7

BGP Regular Expression Optimization........................................................................................................................204

Debugging BGP............................................................................................................................................................. 204

Storing Last and Bad PDUs....................................................................................................................................205

Capturing PDUs.......................................................................................................................................................206

PDU Counters.......................................................................................................................................................... 207

Sample Congurations.................................................................................................................................................. 207

9 Content Addressable Memory (CAM).........................................................................................................214

CAM Allocation............................................................................................................................................................... 214

Test CAM Usage.............................................................................................................................................................216

View CAM Proles..........................................................................................................................................................216

View CAM-ACL Settings............................................................................................................................................... 217

View CAM Usage............................................................................................................................................................218

CAM Optimization..........................................................................................................................................................219

Troubleshoot CAM Proling.......................................................................................................................................... 219

QoS CAM Region Limitation................................................................................................................................... 219

Syslog Error When the Table is Full........................................................................................................................ 219

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................220

Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................220

Unied Forwarding Table (UFT) Modes......................................................................................................................220

Conguring UFT Modes......................................................................................................................................... 220

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

Congure Control Plane Policing................................................................................................................................. 223

Conguring CoPP for Protocols.............................................................................................................................224

Conguring CoPP for CPU Queues...................................................................................................................... 226

Displaying CoPP Conguration ............................................................................................................................. 227

11 Data Center Bridging (DCB)......................................................................................................................229

Ethernet Enhancements in Data Center Bridging..................................................................................................... 229

Priority-Based Flow Control................................................................................................................................... 230

Enhanced Transmission Selection...........................................................................................................................231

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................232

Data Center Bridging in a Trac Flow...................................................................................................................233

Enabling Data Center Bridging..................................................................................................................................... 233

DCB Maps and its Attributes..................................................................................................................................234

Data Center Bridging: Default Conguration..............................................................................................................235

Conguring Priority-Based Flow Control....................................................................................................................235

Conguring Lossless Queues................................................................................................................................. 236

Conguring PFC in a DCB Map................................................................................................................................... 238

PFC Conguration Notes........................................................................................................................................238

PFC Prerequisites and Restrictions....................................................................................................................... 239

Applying a DCB Map on a Port.................................................................................................................................... 239

Conguring PFC without a DCB Map.........................................................................................................................240

Conguring Lossless QueuesExample:..................................................................................................................240

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................242

8

Contents

Pause and Resume of Trac..................................................................................................................................242

Buer Sizes for Lossless or PFC Packets.............................................................................................................242

Behavior of Tagged Packets.........................................................................................................................................243

Conguration Example for DSCP and PFC Priorities................................................................................................243

SNMP Support for PFC and Buer Statistics Tracking............................................................................................244

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................244

PFC and ETS Conguration Examples........................................................................................................................245

Using PFC to Manage Converged Ethernet Trac...................................................................................................245

Operations on Untagged Packets................................................................................................................................245

Generation of PFC for a Priority for Untagged Packets...........................................................................................246

Congure Enhanced Transmission Selection..............................................................................................................246

ETS Prerequisites and Restrictions....................................................................................................................... 246

Creating an ETS Priority Group..............................................................................................................................246

ETS Operation with DCBx...................................................................................................................................... 247

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................248

Conguring ETS in a DCB Map..............................................................................................................................249

Hierarchical Scheduling in ETS Output Policies.........................................................................................................250

Using ETS to Manage Converged Ethernet Trac...................................................................................................250

Applying DCB Policies in a Switch Stack.....................................................................................................................251

Congure a DCBx Operation.........................................................................................................................................251

DCBx Operation........................................................................................................................................................251

DCBx Port Roles.......................................................................................................................................................251

DCB Conguration Exchange................................................................................................................................ 253

Conguration Source Election................................................................................................................................253

Propagation of DCB Information............................................................................................................................254

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 254

DCBx Example......................................................................................................................................................... 254

DCBx Prerequisites and Restrictions.....................................................................................................................255

Conguring DCBx....................................................................................................................................................255

Verifying the DCB Conguration................................................................................................................................. 259

QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 267

Conguring the Dynamic Buer Method................................................................................................................... 268

Sample DCB Conguration...........................................................................................................................................269

PFC and ETS Conguration Command Examples...............................................................................................270

12 Dynamic Host Conguration Protocol (DHCP)..........................................................................................271

DHCP Packet Format and Options.............................................................................................................................. 271

Assign an IP Address using DHCP............................................................................................................................... 273

Implementation Information.......................................................................................................................................... 274

Congure the System to be a DHCP Server.............................................................................................................. 274

Conguring the Server for Automatic Address Allocation..................................................................................275

Specifying a Default Gateway................................................................................................................................ 276

Congure a Method of Hostname Resolution......................................................................................................276

Using DNS for Address Resolution........................................................................................................................ 276

Using NetBIOS WINS for Address Resolution......................................................................................................277

Creating Manual Binding Entries............................................................................................................................ 277

Contents

9

Debugging the DHCP Server..................................................................................................................................277

Using DHCP Clear Commands...............................................................................................................................278

Congure the System to be a DHCP Client............................................................................................................... 278

Conguring the DHCP Client System................................................................................................................... 278

DHCP Client on a Management Interface............................................................................................................280

DHCP Client Operation with Other Features.......................................................................................................280

Congure the System for User Port Stacking (Option 230).................................................................................... 281

Congure Secure DHCP................................................................................................................................................281

Option 82.................................................................................................................................................................. 282

DHCP Snooping....................................................................................................................................................... 282

Drop DHCP Packets on Snooped VLANs Only....................................................................................................285

Dynamic ARP Inspection.........................................................................................................................................286

Conguring Dynamic ARP Inspection....................................................................................................................287

Source Address Validation............................................................................................................................................ 288

Enabling IP Source Address Validation.................................................................................................................. 288

DHCP MAC Source Address Validation................................................................................................................ 289

Enabling IP+MAC Source Address Validation.......................................................................................................289

Viewing the Number of SAV Dropped Packets................................................................................................... 290

Clearing the Number of SAV Dropped Packets...................................................................................................290

13 Equal Cost Multi-Path (ECMP).................................................................................................................291

ECMP for Flow-Based Anity......................................................................................................................................291

Conguring the Hash Algorithm.............................................................................................................................291

Enabling Deterministic ECMP Next Hop............................................................................................................... 291

Conguring the Hash Algorithm Seed.................................................................................................................. 292

Link Bundle Monitoring................................................................................................................................................. 292

Managing ECMP Group Paths...............................................................................................................................293

Creating an ECMP Group Bundle..........................................................................................................................293

Modifying the ECMP Group Threshold.................................................................................................................293

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................294

Support for ECMP in host table............................................................................................................................ 295

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 295

14 FIP Snooping............................................................................................................................................296

Fibre Channel over Ethernet........................................................................................................................................296

Ensure Robustness in a Converged Ethernet Network............................................................................................296

FIP Snooping on Ethernet Bridges..............................................................................................................................298

FIP Snooping in a Switch Stack...................................................................................................................................300

Using FIP Snooping....................................................................................................................................................... 300

FIP Snooping Prerequisites.....................................................................................................................................300

Important Points to Remember............................................................................................................................. 300

Enabling the FCoE Transit Feature.........................................................................................................................301

Enable FIP Snooping on VLANs.............................................................................................................................302

Congure the FC-MAP Value................................................................................................................................ 302

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................302

Congure a Port for a Bridge-to-FCF Link...........................................................................................................302

10

Contents

Impact on Other Software Features..................................................................................................................... 302

FIP Snooping Restrictions...................................................................................................................................... 303

Conguring FIP Snooping.......................................................................................................................................303

Displaying FIP Snooping Information...........................................................................................................................304

FCoE Transit Conguration Example.......................................................................................................................... 309

15 Flex Hash and Optimized Boot-Up............................................................................................................. 311

Flex Hash Capability Overview...................................................................................................................................... 311

Conguring the Flex Hash Mechanism.........................................................................................................................311

Conguring Fast Boot and LACP Fast Switchover....................................................................................................312

Optimizing the Boot Time..............................................................................................................................................312

Booting Process When Optimized Boot Time Mechanism is Enabled...............................................................312

Guidelines for Conguring Optimized Booting Mechanism.................................................................................313

Interoperation of Applications with Fast Boot and System States...........................................................................314

LACP and IPv4 Routing...........................................................................................................................................314

LACP and IPv6 Routing...........................................................................................................................................314

BGP Graceful Restart.............................................................................................................................................. 315

Cold Boot Caused by Power Cycling the System................................................................................................ 315

Unexpected Reload of the System........................................................................................................................ 315

Software Upgrade.................................................................................................................................................... 315

LACP Fast Switchover............................................................................................................................................ 315

Changes to BGP Multipath..................................................................................................................................... 316

Delayed Installation of ECMP Routes Into BGP....................................................................................................316

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................ 316

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces....................................................................................... 317

16 Force10 Resilient Ring Protocol (FRRP)....................................................................................................318

Protocol Overview..........................................................................................................................................................318

Ring Status................................................................................................................................................................319

Multiple FRRP Rings................................................................................................................................................ 319

Important FRRP Points...........................................................................................................................................320

Important FRRP Concepts......................................................................................................................................321

Implementing FRRP.......................................................................................................................................................322

FRRP Conguration.......................................................................................................................................................322

Creating the FRRP Group.......................................................................................................................................322

Conguring the Control VLAN............................................................................................................................... 323

Conguring and Adding the Member VLANs.......................................................................................................324

Setting the FRRP Timers........................................................................................................................................325

Clearing the FRRP Counters..................................................................................................................................325

Viewing the FRRP Conguration...........................................................................................................................325

Viewing the FRRP Information...............................................................................................................................325

Troubleshooting FRRP.................................................................................................................................................. 326

Conguration Checks..............................................................................................................................................326

Sample Conguration and Topology............................................................................................................................326

FRRP Support on VLT...................................................................................................................................................327

Example Scenario.................................................................................................................................................... 328

Contents

11

Important Points to Remember............................................................................................................................. 329

17 GARP VLAN Registration Protocol (GVRP)..............................................................................................330

Important Points to Remember................................................................................................................................... 330

Congure GVRP............................................................................................................................................................. 331

Related Conguration Tasks....................................................................................................................................331

Enabling GVRP Globally................................................................................................................................................ 332

Enabling GVRP on a Layer 2 Interface........................................................................................................................332

Congure GVRP Registration.......................................................................................................................................332

Congure a GARP Timer.............................................................................................................................................. 333

18 Internet Group Management Protocol (IGMP)......................................................................................... 334

IGMP Implementation Information...............................................................................................................................334

IGMP Protocol Overview..............................................................................................................................................334

IGMP Version 2........................................................................................................................................................ 334

IGMP Version 3........................................................................................................................................................ 336

Congure IGMP............................................................................................................................................................. 339

Related Conguration Tasks...................................................................................................................................339

Viewing IGMP Enabled Interfaces...............................................................................................................................340

Selecting an IGMP Version...........................................................................................................................................340

Viewing IGMP Groups...................................................................................................................................................340

Adjusting Timers............................................................................................................................................................. 341

Adjusting Query and Response Timers.................................................................................................................. 341

Enabling IGMP Immediate-Leave.................................................................................................................................342

IGMP Snooping..............................................................................................................................................................342

IGMP Snooping Implementation Information....................................................................................................... 342

Conguring IGMP Snooping...................................................................................................................................342

Removing a Group-Port Association.....................................................................................................................343

Disabling Multicast Flooding...................................................................................................................................343

Specifying a Port as Connected to a Multicast Router...................................................................................... 343

Conguring the Switch as Querier........................................................................................................................ 344

Fast Convergence after MSTP Topology Changes...................................................................................................344

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................345

Protocol Separation.................................................................................................................................................345

Enabling and Disabling Management Egress Interface Selection...................................................................... 346

Handling of Management Route Conguration................................................................................................... 347

Handling of Switch-Initiated Trac....................................................................................................................... 347

Handling of Switch-Destined Trac......................................................................................................................348

Handling of Transit Trac (Trac Separation).................................................................................................... 349

Mapping of Management Applications and Trac Type.....................................................................................349

Behavior of Various Applications for Switch-Initiated Trac ............................................................................350

Behavior of Various Applications for Switch-Destined Trac ........................................................................... 351

Interworking of EIS With Various Applications.....................................................................................................352

Designating a Multicast Router Interface...................................................................................................................352

19 Interfaces.................................................................................................................................................353

12

Contents

Basic Interface Conguration.......................................................................................................................................353

Advanced Interface Conguration...............................................................................................................................353

Interface Types...............................................................................................................................................................354

View Basic Interface Information.................................................................................................................................354

Resetting an Interface to its Factory Default State...................................................................................................356

Enabling a Physical Interface........................................................................................................................................357

Physical Interfaces.........................................................................................................................................................357

Conguration Task List for Physical Interfaces.................................................................................................... 357

40G to 1G Breakout Cable Adaptor....................................................................................................................... 357

Overview of Layer Modes...................................................................................................................................... 358

Conguring Layer 2 (Data Link) Mode..................................................................................................................358

Conguring Layer 2 (Interface) Mode.................................................................................................................. 359

Conguring Layer 3 (Network) Mode...................................................................................................................359

Conguring Layer 3 (Interface) Mode.................................................................................................................. 360

Egress Interface Selection (EIS)..................................................................................................................................360

Important Points to Remember.............................................................................................................................. 361

Conguring EIS.........................................................................................................................................................361

Management Interfaces.................................................................................................................................................361

Conguring Management Interfaces..................................................................................................................... 361

Conguring a Management Interface on an Ethernet Port................................................................................363

VLAN Interfaces............................................................................................................................................................ 364

Loopback Interfaces......................................................................................................................................................364

Null Interfaces................................................................................................................................................................ 365

Port Channel Interfaces................................................................................................................................................365

Port Channel Denition and Standards.................................................................................................................365

Port Channel Benets.............................................................................................................................................365

Port Channel Implementation.................................................................................................................................366

Interfaces in Port Channels.................................................................................................................................... 366

Conguration Tasks for Port Channel Interfaces.................................................................................................367

Creating a Port Channel..........................................................................................................................................367

Adding a Physical Interface to a Port Channel.....................................................................................................367

Reassigning an Interface to a New Port Channel................................................................................................369

Conguring the Minimum Oper Up Links in a Port Channel...............................................................................370

Adding or Removing a Port Channel from a VLAN..............................................................................................370

Assigning an IP Address to a Port Channel........................................................................................................... 371

Deleting or Disabling a Port Channel......................................................................................................................371

Load Balancing Through Port Channels................................................................................................................372

Changing the Hash Algorithm................................................................................................................................ 372

Bulk Conguration..........................................................................................................................................................373

Interface Range........................................................................................................................................................373

Bulk Conguration Examples.................................................................................................................................. 374

Dening Interface Range Macros................................................................................................................................ 375

Dene the Interface Range.....................................................................................................................................375

Choosing an Interface-Range Macro.................................................................................................................... 375

Monitoring and Maintaining Interfaces........................................................................................................................376

Contents

13

Maintenance Using TDR..........................................................................................................................................377

Non Dell-Qualied Transceivers....................................................................................................................................377

Splitting 40G Ports without Reload.............................................................................................................................378

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 379

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................380

Important Points to Remember............................................................................................................................. 380

Example Scenarios................................................................................................................................................... 381

Link Dampening..............................................................................................................................................................382

Important Points to Remember..............................................................................................................................382

Enabling Link Dampening........................................................................................................................................382

Link Bundle Monitoring................................................................................................................................................. 384

Using Ethernet Pause Frames for Flow Control........................................................................................................ 384

Enabling Pause Frames...........................................................................................................................................385

Congure the MTU Size on an Interface....................................................................................................................386

Port-Pipes.......................................................................................................................................................................386

Auto-Negotiation on Ethernet Interfaces................................................................................................................... 387

Setting the Speed of Ethernet Interfaces.............................................................................................................387

Set Auto-Negotiation Options................................................................................................................................388

View Advanced Interface Information.........................................................................................................................389

Conguring the Interface Sampling Size.............................................................................................................. 390

Conguring the Trac Sampling Size Globally........................................................................................................... 391

Dynamic Counters......................................................................................................................................................... 392

Clearing Interface Counters....................................................................................................................................393

Compressing Conguration Files................................................................................................................................. 393

20 IPv4 Routing............................................................................................................................................ 397

IP Addresses...................................................................................................................................................................398

Implementation Information....................................................................................................................................398

Conguration Tasks for IP Addresses..........................................................................................................................398

Assigning IP Addresses to an Interface.......................................................................................................................398

Conguring Static Routes............................................................................................................................................ 399

Congure Static Routes for the Management Interface..........................................................................................400

Using the Congured Source IP Address in ICMP Messages...................................................................................401

Conguring the ICMP Source Interface................................................................................................................401

Conguring the Duration to Establish a TCP Connection.........................................................................................401

Enabling Directed Broadcast........................................................................................................................................ 402

Resolution of Host Names............................................................................................................................................402

Enabling Dynamic Resolution of Host Names............................................................................................................402

Specifying the Local System Domain and a List of Domains................................................................................... 403

Conguring DNS with Traceroute................................................................................................................................403

ARP................................................................................................................................................................................. 404

Conguration Tasks for ARP........................................................................................................................................ 404

Conguring Static ARP Entries....................................................................................................................................404

Enabling Proxy ARP.......................................................................................................................................................405

Clearing ARP Cache......................................................................................................................................................405

ARP Learning via Gratuitous ARP............................................................................................................................... 405

14

Contents

Enabling ARP Learning via Gratuitous ARP................................................................................................................406

ARP Learning via ARP Request................................................................................................................................... 406

Conguring ARP Retries............................................................................................................................................... 407

ICMP................................................................................................................................................................................407

Conguration Tasks for ICMP...................................................................................................................................... 407

Enabling ICMP Unreachable Messages...................................................................................................................... 407

UDP Helper.....................................................................................................................................................................408

Congure UDP Helper............................................................................................................................................ 408

Important Points to Remember............................................................................................................................. 408

Enabling UDP Helper.....................................................................................................................................................408

Conguring a Broadcast Address................................................................................................................................ 409

Congurations Using UDP Helper............................................................................................................................... 409

UDP Helper with Broadcast-All Addresses.................................................................................................................409

UDP Helper with Subnet Broadcast Addresses......................................................................................................... 410

UDP Helper with Congured Broadcast Addresses...................................................................................................410

UDP Helper with No Congured Broadcast Addresses............................................................................................. 411

Troubleshooting UDP Helper..........................................................................................................................................411

21 IPv6 Routing............................................................................................................................................. 412

Protocol Overview..........................................................................................................................................................412

Extended Address Space.........................................................................................................................................413

Stateless Autoconguration.................................................................................................................................... 413

IPv6 Headers.............................................................................................................................................................413

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support.................................................................... 414

IPv6 Header Fields................................................................................................................................................... 415

Extension Header Fields...........................................................................................................................................417

Addressing.................................................................................................................................................................418

Implementing IPv6 with Dell Networking OS..............................................................................................................419

ICMPv6...........................................................................................................................................................................420

Path MTU Discovery......................................................................................................................................................421

IPv6 Neighbor Discovery...............................................................................................................................................421

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................422

Conguring the IPv6 Recursive DNS Server....................................................................................................... 422

Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 423

Displaying IPv6 RDNSS Information......................................................................................................................423

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 424

Conguration Tasks for IPv6........................................................................................................................................ 424

Adjusting Your CAM-Prole....................................................................................................................................424

Assigning an IPv6 Address to an Interface...........................................................................................................425

Assigning a Static IPv6 Route................................................................................................................................426

Conguring Telnet with IPv6..................................................................................................................................426

SNMP over IPv6......................................................................................................................................................426

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

Displaying an IPv6 Interface Information...............................................................................................................427

Showing IPv6 Routes..............................................................................................................................................428

Showing the Running-Conguration for an Interface.........................................................................................429

Contents

15

Clearing IPv6 Routes...............................................................................................................................................430

Disabling ND Entry Timeout................................................................................................................................... 430

Conguring IPv6 RA Guard.......................................................................................................................................... 430

Conguring IPv6 RA Guard on an Interface.........................................................................................................432

Monitoring IPv6 RA Guard......................................................................................................................................433

22 iSCSI Optimization...................................................................................................................................434

iSCSI Optimization Overview....................................................................................................................................... 434

Monitoring iSCSI Trac Flows...............................................................................................................................436

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 436

Information Monitored in iSCSI Trac Flows.......................................................................................................436

Detection and Auto-Conguration for Dell EqualLogic Arrays............................................................................437

Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 437

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................438

Enable and Disable iSCSI Optimization................................................................................................................. 438

Default iSCSI Optimization Values...............................................................................................................................439

iSCSI Optimization Prerequisites................................................................................................................................. 439

Conguring iSCSI Optimization....................................................................................................................................439

Displaying iSCSI Optimization Information.................................................................................................................. 441

23 Intermediate System to Intermediate System.......................................................................................... 443

IS-IS Protocol Overview................................................................................................................................................443

IS-IS Addressing.............................................................................................................................................................443

Multi-Topology IS-IS...................................................................................................................................................... 444

Transition Mode........................................................................................................................................................444

Interface Support.....................................................................................................................................................445

Adjacencies...............................................................................................................................................................445

Graceful Restart.............................................................................................................................................................445

Timers....................................................................................................................................................................... 445

Implementation Information..........................................................................................................................................445

Conguration Information.............................................................................................................................................446

Conguration Tasks for IS-IS..................................................................................................................................447

Conguring the Distance of a Route.....................................................................................................................454

Changing the IS-Type..............................................................................................................................................455

Redistributing IPv4 Routes..................................................................................................................................... 457

Redistributing IPv6 Routes.....................................................................................................................................458

Conguring Authentication Passwords.................................................................................................................459

Setting the Overload Bit......................................................................................................................................... 459

Debugging IS-IS.......................................................................................................................................................460

IS-IS Metric Styles..........................................................................................................................................................461

Congure Metric Values................................................................................................................................................ 461

Maximum Values in the Routing Table................................................................................................................... 461

Change the IS-IS Metric Style in One Level Only.................................................................................................461

Leaks from One Level to Another..........................................................................................................................463

Sample Congurations.................................................................................................................................................. 464

16

Contents

24 Link Aggregation Control Protocol (LACP).............................................................................................. 466

Introduction to Dynamic LAGs and LACP.................................................................................................................. 466

Important Points to Remember............................................................................................................................. 466

LACP Modes............................................................................................................................................................ 467

Conguring LACP Commands............................................................................................................................... 467

LACP Conguration Tasks............................................................................................................................................468

Creating a LAG.........................................................................................................................................................468

Conguring the LAG Interfaces as Dynamic........................................................................................................468

Setting the LACP Long Timeout........................................................................................................................... 469

Monitoring and Debugging LACP..........................................................................................................................469

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

Conguring Shared LAG State Tracking............................................................................................................... 470

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

LACP Basic Conguration Example.............................................................................................................................472

Congure a LAG on ALPHA....................................................................................................................................472

25 Layer 2..................................................................................................................................................... 481

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

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

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

Conguring a Static MAC Address........................................................................................................................482

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

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

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

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

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

mac learning-limit station-move.............................................................................................................................484

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

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

Setting Station Move Violation Actions................................................................................................................ 485

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

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

Congure Redundant Pairs...........................................................................................................................................487

Important Points about Conguring Redundant Pairs........................................................................................ 489

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

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

Conguring FEFD.................................................................................................................................................... 492

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

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

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

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

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

Optional TLVs.................................................................................................................................................................496

Management TLVs.................................................................................................................................................. 496

Contents

17

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

TIA Organizationally Specic TLVs........................................................................................................................ 498

Congure LLDP............................................................................................................................................................. 502

Related Conguration Tasks...................................................................................................................................502

Important Points to Remember............................................................................................................................. 502

LLDP Compatibility..................................................................................................................................................503

CONFIGURATION versus INTERFACE Congurations............................................................................................ 503

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

Disabling and Undoing LLDP..................................................................................................................................504

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

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

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

Viewing the LLDP Conguration................................................................................................................................. 506

Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 506

Conguring LLDPDU Intervals..................................................................................................................................... 507

Conguring LLDP Notication Interval....................................................................................................................... 508

Conguring Transmit and Receive Mode................................................................................................................... 508

Conguring the Time to Live Value............................................................................................................................. 509

Debugging LLDP............................................................................................................................................................509

Relevant Management Objects.....................................................................................................................................511

27 Microsoft Network Load Balancing...........................................................................................................516

NLB Unicast Mode Scenario.........................................................................................................................................516

NLB Multicast Mode Scenario......................................................................................................................................516

Limitations of the NLB Feature.....................................................................................................................................517

Microsoft Clustering.......................................................................................................................................................517

Enable and Disable VLAN Flooding ............................................................................................................................. 517

Conguring a Switch for NLB ......................................................................................................................................517

Enabling a Switch for Multicast NLB..................................................................................................................... 518

28 Multicast Source Discovery Protocol (MSDP)..........................................................................................519

Protocol Overview..........................................................................................................................................................519

Anycast RP.....................................................................................................................................................................520

Implementation Information.......................................................................................................................................... 521

Congure Multicast Source Discovery Protocol.........................................................................................................521

Related Conguration Tasks....................................................................................................................................521

Enable MSDP................................................................................................................................................................. 525

Manage the Source-Active Cache.............................................................................................................................. 526

Viewing the Source-Active Cache.........................................................................................................................526

Limiting the Source-Active Cache.........................................................................................................................526

Clearing the Source-Active Cache........................................................................................................................ 527

Enabling the Rejected Source-Active Cache........................................................................................................527

Accept Source-Active Messages that Fail the RFP Check......................................................................................527

Specifying Source-Active Messages...........................................................................................................................530

Limiting the Source-Active Messages from a Peer....................................................................................................531

Preventing MSDP from Caching a Local Source........................................................................................................531

18

Contents

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

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

Logging Changes in Peership States...........................................................................................................................533

Terminating a Peership..................................................................................................................................................533

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

Debugging MSDP.......................................................................................................................................................... 534

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

Conguring Anycast RP................................................................................................................................................536

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

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

MSDP Sample Congurations..................................................................................................................................... 539

29 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 542

Protocol Overview.........................................................................................................................................................542

Spanning Tree Variations...............................................................................................................................................543

Implementation Information....................................................................................................................................543

Congure Multiple Spanning Tree Protocol................................................................................................................543

Related Conguration Tasks...................................................................................................................................544

Enable Multiple Spanning Tree Globally...................................................................................................................... 544

Adding and Removing Interfaces.................................................................................................................................544

Creating Multiple Spanning Tree Instances................................................................................................................ 545

Inuencing MSTP Root Selection................................................................................................................................546

Interoperate with Non-Dell Bridges............................................................................................................................. 547

Changing the Region Name or Revision..................................................................................................................... 547

Modifying Global Parameters....................................................................................................................................... 547

Modifying the Interface Parameters........................................................................................................................... 549

Conguring an EdgePort..............................................................................................................................................550

Flush MAC Addresses after a Topology Change....................................................................................................... 550

MSTP Sample Congurations.......................................................................................................................................551

Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-

CongurationSFTOS Example Running-Conguration........................................................................................551

Debugging and Verifying MSTP Congurations........................................................................................................ 555

30 Multicast Features................................................................................................................................... 557

Enabling IP Multicast.....................................................................................................................................................557

Implementation Information..........................................................................................................................................557

Multicast Policies...........................................................................................................................................................558

IPv4 Multicast Policies............................................................................................................................................558

Understanding Multicast Traceroute (mtrace).......................................................................................................... 565

Important Points to Remember............................................................................................................................. 566

Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 566

Supported Error Codes................................................................................................................................................. 567

mtrace Scenarios...........................................................................................................................................................568

31 Object Tracking.........................................................................................................................................574

Object Tracking Overview.............................................................................................................................................574

Contents

19

Track Layer 2 Interfaces..........................................................................................................................................575

Track Layer 3 Interfaces..........................................................................................................................................575

Track IPv4 and IPv6 Routes................................................................................................................................... 576

Set Tracking Delays..................................................................................................................................................577

VRRP Object Tracking.............................................................................................................................................577

Object Tracking Conguration......................................................................................................................................577

Tracking a Layer 2 Interface....................................................................................................................................577

Tracking a Layer 3 Interface................................................................................................................................... 578

Track an IPv4/IPv6 Route......................................................................................................................................580

Displaying Tracked Objects...........................................................................................................................................583

32 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................585

Protocol Overview.........................................................................................................................................................585

Autonomous System (AS) Areas........................................................................................................................... 585

Area Types................................................................................................................................................................ 586

Networks and Neighbors........................................................................................................................................ 587

Router Types.............................................................................................................................................................587

Designated and Backup Designated Routers.......................................................................................................589

Link-State Advertisements (LSAs)........................................................................................................................589

Router Priority and Cost.........................................................................................................................................590

OSPF with Dell Networking OS....................................................................................................................................591

Graceful Restart.......................................................................................................................................................592

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................593

Multi-Process OSPFv2 with VRF..........................................................................................................................593

RFC-2328 Compliant OSPF Flooding................................................................................................................... 593

OSPF ACK Packing................................................................................................................................................. 594

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 594

Conguration Information.............................................................................................................................................595

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 595

Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 609

Enabling IPv6 Unicast Routing............................................................................................................................... 610

Applying cost for OSPFv3.......................................................................................................................................610

Assigning IPv6 Addresses on an Interface.............................................................................................................611

Assigning Area ID on an Interface........................................................................................................................... 611

Assigning OSPFv3 Process ID and Router ID Globally......................................................................................... 611

Assigning OSPFv3 Process ID and Router ID to a VRF.......................................................................................612

Conguring Stub Areas............................................................................................................................................612

Conguring Passive-Interface.................................................................................................................................613

Redistributing Routes...............................................................................................................................................613

Conguring a Default Route....................................................................................................................................613

Enabling OSPFv3 Graceful Restart........................................................................................................................614

OSPFv3 Authentication Using IPsec..................................................................................................................... 616

Troubleshooting OSPFv3........................................................................................................................................622

33 Policy-based Routing (PBR).................................................................................................................... 624

Overview.........................................................................................................................................................................624

20

Contents

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