Dell C9010 Modular Chassis Switch User guide

Dell Networking Conguration Guide for the

C9010 Series

Version 9.11(2.0P2)

Notes, Cautions, and Warnings

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

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

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

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

their respective companies.

2017 - 05

Rev. A00

Contents

1 About this Guide...........................................................................................................................................35

Audience........................................................................................................................................................................... 35

Conventions......................................................................................................................................................................35

Related Documents......................................................................................................................................................... 35

2 Conguration Fundamentals........................................................................................................................ 36

Accessing the Command Line........................................................................................................................................36

CLI Modes.........................................................................................................................................................................36

Navigating CLI Modes............................................................................................................................................... 38

The do Command............................................................................................................................................................. 41

Undoing Commands........................................................................................................................................................ 42

Obtaining Help..................................................................................................................................................................42

Entering and Editing Commands....................................................................................................................................42

Command History............................................................................................................................................................ 43

Filtering show Command Outputs................................................................................................................................. 43

Multiple Users in Conguration Mode...........................................................................................................................45

3 Getting Started............................................................................................................................................46

Console Access................................................................................................................................................................46

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

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

Important Points to Remember................................................................................................................................48

Default Conguration...................................................................................................................................................... 49

Conguring a Host Name............................................................................................................................................... 49

Accessing the System Remotely................................................................................................................................... 50

Accessing the System Remotely............................................................................................................................. 50

Congure the Management Port IP Address.........................................................................................................50

Congure a Management Route..............................................................................................................................50

Conguring a Username and Password...................................................................................................................51

Conguring the Enable Password...................................................................................................................................51

Manage Conguration Files.............................................................................................................................................51

File Storage.................................................................................................................................................................52

Copy Files to and from the System......................................................................................................................... 52

Save the Running-Conguration..............................................................................................................................53

Congure the Overload Bit for a Startup Scenario............................................................................................... 54

Viewing Files...............................................................................................................................................................54

Changes in Conguration Files.................................................................................................................................55

Viewing Command History............................................................................................................................................. 55

Upgrading the Dell Networking OS............................................................................................................................... 55

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

Conguring Privilege Levels............................................................................................................................................57

Contents

3

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

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

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

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

Allowing Access to the Following Modes................................................................................................................58

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

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

Conguring Logging........................................................................................................................................................ 60

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

Conguring Logging Format ...................................................................................................................................62

Setting Up a Secure Connection to a Syslog Server.............................................................................................62

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

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

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

Display Login Statistics..............................................................................................................................................64

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............................................................................................................................................67

Log Messages in the Internal Buer..............................................................................................................................68

Conguration Task List for System Log Management.......................................................................................... 68

Disabling System Logging............................................................................................................................................... 68

Sending System Messages to a Syslog Server............................................................................................................68

Conguring a UNIX System as a Syslog Server.....................................................................................................69

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

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

Conguring a UNIX Logging Facility Level....................................................................................................................70

Synchronizing Log Messages..........................................................................................................................................71

Enabling Timestamp on Syslog Messages.................................................................................................................... 72

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

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

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

Conguring FTP Server Parameters........................................................................................................................73

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

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

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

Conguring Login Authentication for Terminal Lines.............................................................................................75

Setting Time Out of EXEC Privilege Mode...................................................................................................................75

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

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

Viewing the Conguration Lock Status...................................................................................................................77

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

LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................78

Recovering from a Forgotten Password ...................................................................................................................... 79

4

Contents

Ignoring the Startup Conguration and Booting from the Factory-Default Conguration.....................................79

Recovering from a Failed Start...................................................................................................................................... 80

Restoring Factory-Default Settings...............................................................................................................................80

Important Point to Remember................................................................................................................................. 80

Restoring Factory-Default Boot Environment Variables........................................................................................ 81

Using Hashes to Verify Software Images Before Installation..................................................................................... 82

Verifying System Images on C9010 Components........................................................................................................83

When System Images on C9010 Components Do Not Match.............................................................................84

Manually Resetting the System Image on a C9010 Component......................................................................... 84

Logging in to the Virtual Console of a C9010 Component................................................................................... 85

Booting the C9010 from an Image on a Network Server..................................................................................... 85

Conguring C9010 Components to Boot from the RPM CP Image................................................................... 85

5 802.1X..........................................................................................................................................................87

The Port-Authentication Process.................................................................................................................................. 89

EAP over RADIUS......................................................................................................................................................90

Conguring 802.1X........................................................................................................................................................... 91

Related Conguration Tasks......................................................................................................................................91

Important Points to Remember...................................................................................................................................... 91

Enabling 802.1X................................................................................................................................................................ 92

Conguring dot1x Prole ................................................................................................................................................94

Conguring MAC addresses for a do1x Prole.............................................................................................................94

Conguring the Static MAB and MAB Prole .............................................................................................................95

Conguring Critical VLAN ..............................................................................................................................................96

Conguring Request Identity Re-Transmissions...........................................................................................................96

Conguring a Quiet Period after a Failed Authentication............................................................................................97

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 98

Re-Authenticating a Port................................................................................................................................................99

Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 99

Guest and Authentication-Fail VLANs.........................................................................................................................100

Conguring a Guest VLAN...................................................................................................................................... 101

Conguring an Authentication-Fail VLAN............................................................................................................. 102

Conguring Timeouts...............................................................................................................................................103

Multi-Host Authentication.............................................................................................................................................104

Conguring Multi-Host AuthenticationConguring Single-Host Authentication............................................. 105

Multi-Supplicant Authentication...................................................................................................................................106

Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication.............................107

MAC Authentication Bypass......................................................................................................................................... 108

MAB in Single-host and Multi-Host Mode............................................................................................................108

MAB in Multi-Supplicant Authentication Mode....................................................................................................109

Conguring MAC Authentication Bypass..............................................................................................................109

Dynamic CoS with 802.1X.............................................................................................................................................. 110

6 Access Control Lists (ACLs)........................................................................................................................112

IP Access Control Lists (ACLs)......................................................................................................................................112

CAM Usage................................................................................................................................................................113

Contents

5

User-Congurable CAM Allocation......................................................................................................................... 114

Allocating CAM for Ingress ACLs on the Port Extender...................................................................................... 114

Allocating CAM for Egress ACLs on the Port Extender....................................................................................... 116

Implementing ACLs .................................................................................................................................................. 117

IP Fragment Handling..................................................................................................................................................... 118

IP Fragments ACL Examples................................................................................................................................... 118

Layer 4 ACL Rules Examples................................................................................................................................... 119

Congure a Standard IP ACL........................................................................................................................................120

Conguring a Standard IP ACL Filter......................................................................................................................121

Congure an Extended IP ACL......................................................................................................................................121

Conguring Filters with a Sequence Number....................................................................................................... 122

Conguring Filters Without a Sequence Number.................................................................................................123

Congure Layer 2 and Layer 3 ACLs............................................................................................................................123

Using ACL VLAN Groups...............................................................................................................................................124

Guidelines for Conguring ACL VLAN Groups......................................................................................................124

Conguring an ACL VLAN Group...........................................................................................................................125

Allocating ACL VLAN CAM..................................................................................................................................... 126

Applying an IP ACL to an Interface.............................................................................................................................. 126

Applying Ingress ACLs on the Port Extender........................................................................................................ 127

Applying Egress ACLs.............................................................................................................................................. 128

Applying Layer 3 Egress ACLs on Control-Plane Trac...................................................................................... 128

Counting ACL Hits....................................................................................................................................................129

IP Prex Lists.................................................................................................................................................................. 129

Implementation Information.................................................................................................................................... 129

Conguration Task List for Prex Lists.................................................................................................................. 130

ACL Resequencing......................................................................................................................................................... 133

Resequencing an ACL or Prex List.......................................................................................................................134

Route Maps.....................................................................................................................................................................135

Implementation Information.................................................................................................................................... 135

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

Conguration Task List for Route Maps................................................................................................................ 135

Conguring Match Routes...................................................................................................................................... 138

Conguring Set Conditions..................................................................................................................................... 139

Congure a Route Map for Route Redistribution.................................................................................................140

Congure a Route Map for Route Tagging........................................................................................................... 140

Continue Clause........................................................................................................................................................ 141

Conguring a UDF ACL.................................................................................................................................................. 141

Hot-Lock Behavior......................................................................................................................................................... 143

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 144

How BFD Works............................................................................................................................................................. 144

BFD Packet Format..................................................................................................................................................145

BFD Sessions............................................................................................................................................................ 146

BFD Three-Way Handshake.................................................................................................................................... 147

Session State Changes............................................................................................................................................149

Important Points to Remember.................................................................................................................................... 149

6

Contents

Congure BFD................................................................................................................................................................ 149

Congure BFD for Physical Ports.......................................................................................................................... 150

Congure BFD for Static Routes.............................................................................................................................151

Congure BFD for OSPF.........................................................................................................................................154

Congure BFD for OSPFv3.....................................................................................................................................157

Congure BFD for IS-IS...........................................................................................................................................158

Congure BFD for BGP............................................................................................................................................161

Congure BFD for VRRP.........................................................................................................................................167

Conguring Protocol Liveness................................................................................................................................ 170

8 Border Gateway Protocol IPv4 (BGPv4)..................................................................................................... 171

Autonomous Systems (AS)............................................................................................................................................ 171

Sessions and Peers.........................................................................................................................................................173

Establish a Session................................................................................................................................................... 173

Route Reectors............................................................................................................................................................. 174

Communities............................................................................................................................................................. 175

BGP Attributes................................................................................................................................................................175

Best Path Selection Criteria.................................................................................................................................... 175

Weight........................................................................................................................................................................ 177

Local Preference....................................................................................................................................................... 177

Multi-Exit Discriminators (MEDs)...........................................................................................................................178

Origin..........................................................................................................................................................................179

AS Path......................................................................................................................................................................179

Next Hop................................................................................................................................................................... 180

Multiprotocol BGP..........................................................................................................................................................180

Implement BGP ............................................................................................................................................................. 180

Additional Path (Add-Path) Support......................................................................................................................180

Advertise IGP Cost as MED for Redistributed Routes......................................................................................... 181

Ignore Router-ID for Some Best-Path Calculations.............................................................................................. 181

Four-Byte AS Numbers............................................................................................................................................ 181

AS4 Number Representation.................................................................................................................................. 182

AS Number Migration.............................................................................................................................................. 183

BGP4 Management Information Base (MIB)........................................................................................................185

Important Points to Remember.............................................................................................................................. 185

Conguration Information..............................................................................................................................................186

BGP Conguration......................................................................................................................................................... 186

Enabling BGP.............................................................................................................................................................187

Conguring AS4 Number Representations........................................................................................................... 190

Conguring Peer Groups..........................................................................................................................................191

Conguring BGP Fast Fail-Over.............................................................................................................................194

Conguring Passive Peering................................................................................................................................... 195

Maintaining Existing AS Numbers During an AS Migration................................................................................. 196

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 197

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

Filtering on an AS-Path Attribute........................................................................................................................... 198

Regular Expressions as Filters................................................................................................................................200

Contents

7

Redistributing Routes...............................................................................................................................................201

Enabling Additional Paths....................................................................................................................................... 202

Conguring IP Community Lists............................................................................................................................ 202

Conguring an IP Extended Community List....................................................................................................... 203

Filtering Routes with Community Lists................................................................................................................. 204

Manipulating the COMMUNITY Attribute............................................................................................................205

Changing MED Attributes.......................................................................................................................................206

Changing the LOCAL_PREFERENCE Attribute..................................................................................................206

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes.............207

Changing the WEIGHT Attribute...........................................................................................................................208

Enabling Multipath...................................................................................................................................................208

Filtering BGP Routes...............................................................................................................................................208

Filtering BGP Routes Using Route Maps...............................................................................................................210

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 210

Conguring BGP Route Reectors......................................................................................................................... 211

Aggregating Routes..................................................................................................................................................212

Conguring BGP Confederations........................................................................................................................... 212

Enabling Route Flap Dampening.............................................................................................................................213

Changing BGP Timers............................................................................................................................................. 215

Enabling BGP Neighbor Soft-Reconguration..................................................................................................... 215

Enabling or disabling BGP neighbors..................................................................................................................... 216

Route Map Continue................................................................................................................................................218

Enabling MBGP Congurations.................................................................................................................................... 218

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 219

BGP Regular Expression Optimization.........................................................................................................................219

Debugging BGP.............................................................................................................................................................. 219

Storing Last and Bad PDUs....................................................................................................................................220

Capturing PDUs........................................................................................................................................................221

PDU Counters.......................................................................................................................................................... 222

Sample Congurations.................................................................................................................................................. 222

9 Content Addressable Memory (CAM).........................................................................................................231

CAM Allocation............................................................................................................................................................... 231

Test CAM Usage............................................................................................................................................................ 233

View CAM-ACL Settings.............................................................................................................................................. 233

View CAM Usage...........................................................................................................................................................234

Return to the Default CAM Conguration..................................................................................................................234

CAM Optimization......................................................................................................................................................... 235

Applications for CAM Proling..................................................................................................................................... 235

LAG HashingLAG Hashing Based on Bidirectional Flow..................................................................................... 235

Unied Forwarding Table (UFT) Modes......................................................................................................................235

Conguring UFT Modes..........................................................................................................................................236

10 Control Plane Policing (CoPP)..................................................................................................................237

CoPP Implementation....................................................................................................................................................237

Protocol-based Control Plane Policing..................................................................................................................237

8

Contents

Queue-based Control Plane Policing..................................................................................................................... 237

CoPP Example............................................................................................................................................................... 239

Congure Control Plane Policing................................................................................................................................. 240

Conguring CoPP for Protocols............................................................................................................................ 240

Examples of Conguring CoPP for Protocols.......................................................................................................241

Conguring CoPP for CPU Queues...................................................................................................................... 242

Examples of Conguring CoPP for CPU Queues................................................................................................ 243

Displaying CoPP Conguration.............................................................................................................................. 244

Troubleshooting CoPP Operation.................................................................................................................................247

Enabling CPU Trac Statistics...............................................................................................................................247

Viewing CPU Trac Statistics................................................................................................................................247

Troubleshooting CPU Packet Loss........................................................................................................................ 248

Viewing Per-Protocol CoPP Counters.................................................................................................................. 249

Viewing Per-Queue CoPP Counters..................................................................................................................... 252

11 Data Center Bridging (DCB)......................................................................................................................253

Enabling Data Center Bridging.....................................................................................................................................253

Ethernet Enhancements in Data Center Bridging..................................................................................................... 254

Priority-Based Flow Control...................................................................................................................................255

Enhanced Transmission Selection..........................................................................................................................256

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................257

Data Center Bridging in a Trac Flow...................................................................................................................257

QoS dot1p Trac Classication and Queue Assignment..........................................................................................258

SNMP Support for PFC and Buer Statistics Tracking............................................................................................258

DCB Maps and its Attributes........................................................................................................................................259

DCB Map: Conguration Procedure......................................................................................................................259

Important Points to Remember............................................................................................................................. 260

Applying a DCB Map on a Port..............................................................................................................................260

Conguring PFC without a DCB Map....................................................................................................................261

Conguring Lossless Queues.................................................................................................................................. 261

Applying a DCB Map on a Line Card..................................................................................................................... 263

Data Center Bridging: Default Conguration..............................................................................................................263

Conguration Notes: PFC and ETS in a DCB Map....................................................................................................264

PFC Conguration Notes........................................................................................................................................264

ETS Conguration Notes........................................................................................................................................265

ETS Prerequisites and Restrictions....................................................................................................................... 265

Priority-Group Conguration Notes...................................................................................................................... 266

Conguring Priority-Based Flow Control....................................................................................................................266

Conguring Lossless Queues..................................................................................................................................267

Conguring Enhanced Transmission Selection...........................................................................................................267

Creating an ETS Priority Group..............................................................................................................................268

ETS Operation with DCBx......................................................................................................................................269

Congure a DCBx Operation........................................................................................................................................269

DCBx Operation.......................................................................................................................................................269

DCBx Port Roles...................................................................................................................................................... 270

DCB Conguration Exchange................................................................................................................................. 271

Contents

9

Conguration Source Election.................................................................................................................................271

Propagation of DCB Information............................................................................................................................272

Auto-Detection and Manual Conguration of the DCBx Version.......................................................................272

Behavior of Tagged Packets................................................................................................................................... 273

Conguration Example for DSCP and PFC Priorities.......................................................................................... 273

DCBx Example..........................................................................................................................................................274

DCBx Prerequisites and Restrictions.....................................................................................................................275

Conguring DCBx.................................................................................................................................................... 275

Verifying the DCB Conguration..................................................................................................................................278

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................288

PFC and ETS Conguration Examples........................................................................................................................288

Using PFC and ETS to Manage Data Center Trac................................................................................................. 289

PFC and ETS Conguration Command Examples.............................................................................................. 290

Using PFC and ETS to Manage Converged Ethernet Trac.............................................................................290

Hierarchical Scheduling in ETS Output Policies....................................................................................................291

Priority-Based Flow Control Using Dynamic Buer Method.................................................................................... 291

Pause and Resume of Trac.................................................................................................................................. 291

Buer Sizes for Lossless or PFC Packets............................................................................................................ 292

Conguring the Dynamic Buer Method................................................................................................................... 292

12 Debugging and Diagnostics...................................................................................................................... 294

Oine Diagnostics.........................................................................................................................................................294

Running Port Extender Oine Diagnostics on the Switch.................................................................................294

Running Oine Diagnostics on a Standalone Switch.......................................................................................... 301

TRACE Logs....................................................................................................................................................................321

Auto Save on Reload, Crash, or Rollover.............................................................................................................. 322

Uploading Trace Logs.............................................................................................................................................. 322

Last Restart Reason......................................................................................................................................................322

show hardware Commands.......................................................................................................................................... 323

Environmental Monitoring.............................................................................................................................................325

Displaying Port Extender Environment Information ........................................................................................... 325

Display Power Supply Status..................................................................................................................................325

Display Fan Status................................................................................................................................................... 326

Display Transceiver Type......................................................................................................................................... 326

Recognize an Over-Temperature Condition..........................................................................................................328

Troubleshoot an Over-Temperature Condition..................................................................................................... 329

Troubleshooting Packet Loss........................................................................................................................................ 331

Displaying Drop Counters........................................................................................................................................ 331

Displaying Dataplane Statistics...............................................................................................................................332

Displaying Line-Card Counters...............................................................................................................................334

Accessing Application Core Dumps.............................................................................................................................334

Mini Core Dumps........................................................................................................................................................... 335

Full Kernel Core Dumps.................................................................................................................................................336

Enabling TCP Dumps.....................................................................................................................................................336

Accessing Port Extender Core and Mini Core Dumps...............................................................................................337

10

Contents

13 Dynamic Host Conguration Protocol (DHCP).........................................................................................338

DHCP Packet Format and Options............................................................................................................................. 338

Assign an IP Address using DHCP...............................................................................................................................340

Implementation Information.......................................................................................................................................... 341

Congure the System to be a DHCP Server.............................................................................................................. 341

Conguring the Server for Automatic Address Allocation..................................................................................342

Specifying a Default Gateway................................................................................................................................ 343

Congure a Method of Hostname Resolution......................................................................................................343

Using DNS for Address Resolution........................................................................................................................343

Using NetBIOS WINS for Address Resolution..................................................................................................... 344

Creating Manual Binding Entries............................................................................................................................344

Debugging the DHCP Server................................................................................................................................. 344

Using DHCP Clear Commands.............................................................................................................................. 345

Congure the System to be a Relay Agent................................................................................................................ 345

Congure the System to be a DHCP Client............................................................................................................... 347

DHCP Client on a Management Interface............................................................................................................ 347

DHCP Client Operation with Other Features....................................................................................................... 347

Congure Secure DHCP...............................................................................................................................................348

Option 82..................................................................................................................................................................348

DHCP Snooping.......................................................................................................................................................349

Drop DHCP Packets on Snooped VLANs Only.....................................................................................................351

Dynamic ARP Inspection.........................................................................................................................................352

Conguring Dynamic ARP Inspection................................................................................................................... 353

Source Address Validation............................................................................................................................................ 354

Enabling IP Source Address Validation..................................................................................................................354

DHCP MAC Source Address Validation................................................................................................................ 355

Enabling IP+MAC Source Address Validation.......................................................................................................355

Viewing the Number of SAV Dropped Packets................................................................................................... 355

Clearing the Number of SAV Dropped Packets...................................................................................................356

14 Equal Cost Multi-Path (ECMP)................................................................................................................ 357

ECMP for Flow-Based Anity..................................................................................................................................... 357

Enabling Deterministic ECMP Next Hop...............................................................................................................357

Conguring the Hash Algorithm Seed...................................................................................................................357

Link Bundle Monitoring........................................................................................................................................... 358

Managing ECMP Group Paths.....................................................................................................................................358

Creating an ECMP Group Bundle................................................................................................................................359

Modifying the ECMP Group Threshold...................................................................................................................... 359

BGP Multipath Operation with Link Bankwidth.........................................................................................................360

Dynamic Re-calculation of Link Bankwidth.................................................................................................................361

Weighted ECMP for Static Routes..............................................................................................................................362

ECMP Support in L3 Host and LPM Tables............................................................................................................... 362

15 FCoE Transit.............................................................................................................................................363

Fibre Channel over Ethernet........................................................................................................................................ 363

Contents

11

Ensure Robustness in a Converged Ethernet Network............................................................................................363

FIP Snooping on Ethernet Bridges..............................................................................................................................365

FIP Snooping in a Switch Stack................................................................................................................................... 367

Using FIP Snooping....................................................................................................................................................... 367

FIP Snooping Prerequisites.....................................................................................................................................367

Important Points to Remember..............................................................................................................................367

Enabling the FCoE Transit Feature........................................................................................................................368

Enable FIP Snooping on VLANs.............................................................................................................................368

Congure the FC-MAP Value................................................................................................................................ 368

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................369

Congure a Port for a Bridge-to-FCF Link...........................................................................................................369

Impact on Other Software Features..................................................................................................................... 369

FIP Snooping Restrictions...................................................................................................................................... 369

Conguring FIP Snooping............................................................................................................................................. 370

Displaying FIP Snooping Information............................................................................................................................371

FCoE Transit Conguration Example...........................................................................................................................376

16 FIPS Cryptography................................................................................................................................... 378

Conguration Tasks....................................................................................................................................................... 378

Preparing the System....................................................................................................................................................378

Enabling FIPS Mode...................................................................................................................................................... 379

Generating Host-Keys................................................................................................................................................... 379

Monitoring FIPS Mode Status......................................................................................................................................379

Disabling FIPS Mode..................................................................................................................................................... 380

17 Flex Hash and Optimized Boot-Up.............................................................................................................381

Flex Hash Capability Overview..................................................................................................................................... 381

Conguring the Flex Hash Mechanism........................................................................................................................381

LACP Fast Switchover..................................................................................................................................................382

Conguring LACP Fast Switchover.............................................................................................................................382

LACP............................................................................................................................................................................... 382

LACP Fast Switchover............................................................................................................................................382

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................382

Sample Congurations.................................................................................................................................................. 384

................................................................................................................................................................................... 384

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 387

18 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 388

Protocol Overview......................................................................................................................................................... 388

Ring Status............................................................................................................................................................... 389

Multiple FRRP Rings............................................................................................................................................... 389

Important FRRP Points...........................................................................................................................................390

Implementing FRRP................................................................................................................................................ 390

Important FRRP Concepts......................................................................................................................................391

FRRP Conguration.......................................................................................................................................................392

Creating the FRRP Group.......................................................................................................................................392

12

Contents

Conguring the Control VLAN...............................................................................................................................392

Conguring and Adding the Member VLANs.......................................................................................................393

Setting the FRRP Timers........................................................................................................................................394

Clearing the FRRP Counters..................................................................................................................................395

Viewing the FRRP Conguration...........................................................................................................................395

Viewing the FRRP Information.............................................................................................................................. 395

Troubleshooting FRRP.................................................................................................................................................. 395

Conguration Checks..............................................................................................................................................395

Sample Conguration and Topology............................................................................................................................396

FRRP Support on VLT...................................................................................................................................................397

Example Scenario.................................................................................................................................................... 398

Important Points to Remember............................................................................................................................. 399

19 GARP VLAN Registration Protocol (GVRP)..............................................................................................400

Important Points to Remember................................................................................................................................... 400

Congure GVRP............................................................................................................................................................. 401

Related Conguration Tasks....................................................................................................................................401

Enabling GVRP Globally................................................................................................................................................ 402

Enabling GVRP on a Layer 2 Interface........................................................................................................................402

Congure GVRP Registration...................................................................................................................................... 402

Congure a GARP Timer.............................................................................................................................................. 403

20 High Availability (HA)...............................................................................................................................404

High Availability on Chassis.......................................................................................................................................... 404

High Availability in a PE Stack......................................................................................................................................404

Online Insertion and Removal.......................................................................................................................................405

RPM Online Insertion.............................................................................................................................................. 405

Line Card Online Insertion.......................................................................................................................................405

Pre-conguring a Slot for a Line-Card Type.........................................................................................................405

Replacing a Line Card..............................................................................................................................................406

Hitless Behavior............................................................................................................................................................. 406

Graceful Restart.............................................................................................................................................................407

Software Resiliency....................................................................................................................................................... 407

System Health Monitoring...................................................................................................................................... 407

Failure and Event Logging.......................................................................................................................................407

Trace Log.................................................................................................................................................................. 407

Core Dumps..............................................................................................................................................................408

System Log...............................................................................................................................................................408

Control Plane Redundancy...........................................................................................................................................408

Control-Plane Failover.............................................................................................................................................408

RPM Synchronization............................................................................................................................................. 409

Forcing an RPM Failover........................................................................................................................................ 409

Specifying an Auto-Failover Limit...........................................................................................................................410

Disabling Auto-Reboot.............................................................................................................................................410

21 Internet Group Management Protocol (IGMP)...........................................................................................411

Contents

13

IGMP Implementation Information................................................................................................................................411

IGMP Protocol Overview............................................................................................................................................... 411

IGMP Version 2..........................................................................................................................................................411

IGMP Version 3.........................................................................................................................................................413

Congure IGMP..............................................................................................................................................................416

Related Conguration Tasks....................................................................................................................................416

Viewing IGMP Enabled Interfaces................................................................................................................................ 417

Selecting an IGMP Version............................................................................................................................................417

Viewing IGMP Groups....................................................................................................................................................417

Enabling IGMP Immediate-Leave................................................................................................................................. 418

IGMP Snooping...............................................................................................................................................................418

IGMP Snooping Implementation Information........................................................................................................418

Conguring IGMP Snooping................................................................................................................................... 418

Removing a Group-Port Association......................................................................................................................419

Disabling Multicast Flooding...................................................................................................................................420

Specifying a Port as Connected to a Multicast Router...................................................................................... 420

Conguring the Switch as Querier........................................................................................................................ 420

Fast Convergence after MSTP Topology Changes....................................................................................................421

Designating a Multicast Router Interface....................................................................................................................421

22 Interfaces................................................................................................................................................ 422

Basic Interface Conguration.......................................................................................................................................422

Advanced Interface Conguration...............................................................................................................................422

Port Numbering..............................................................................................................................................................423

Interface Types...............................................................................................................................................................426

View Basic Interface Information.................................................................................................................................426

Resetting an Interface to its Factory Default State...................................................................................................432

Enabling a Physical Interface........................................................................................................................................432

Physical Interfaces.........................................................................................................................................................433

Port Pipes................................................................................................................................................................. 433

Setting the Speed of Ethernet Interfaces............................................................................................................ 433

Conguration Task List for Physical Interfaces.................................................................................................... 434

Overview of Layer Modes.......................................................................................................................................434

Conguring Layer 2 (Data Link) Mode..................................................................................................................435

Conguring Layer 2 (Interface) Mode.................................................................................................................. 435

Conguring Layer 3 (Network) Mode...................................................................................................................435

Conguring Layer 3 (Interface) Mode.................................................................................................................. 436

Egress Interface Selection (EIS).................................................................................................................................. 437

Important Points to Remember..............................................................................................................................437

Conguring EIS.........................................................................................................................................................437

Management Interfaces................................................................................................................................................438

Conguring a Dedicated Management Interface ................................................................................................438

Conguring a Management Interface on an Ethernet Port................................................................................439

Port Extender Interfaces.............................................................................................................................................. 440

VLAN Interfaces............................................................................................................................................................ 440

Loopback Interfaces.......................................................................................................................................................441

14

Contents

Null Interfaces................................................................................................................................................................. 441

Port Channel Interfaces................................................................................................................................................442

Port Channel Denition and Standards.................................................................................................................442

Port Channel Benets............................................................................................................................................. 442

Port Channel Implementation.................................................................................................................................442

10/40 Gbps Interfaces in Port Channels...............................................................................................................443

Conguration Tasks for Port Channel Interfaces.................................................................................................443

Creating a Port Channel..........................................................................................................................................443

Adding a Physical Interface to a Port Channel.....................................................................................................444

Reassigning an Interface to a New Port Channel................................................................................................446

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 446

Adding or Removing a Port Channel from a VLAN..............................................................................................447

Assigning an IP Address to a Port Channel...........................................................................................................447

Deleting or Disabling a Port Channel..................................................................................................................... 447

Load Balancing Through Port Channels................................................................................................................448

Changing the Hash Algorithm................................................................................................................................448

Bulk Conguration......................................................................................................................................................... 449

Interface Range........................................................................................................................................................449

Bulk Conguration Examples..................................................................................................................................449

Dening Interface Range Macros.................................................................................................................................451

Dene the Interface Range..................................................................................................................................... 451

Choosing an Interface-Range Macro..................................................................................................................... 451

Monitoring and Maintaining Interfaces........................................................................................................................ 451

Maintenance Using TDR......................................................................................................................................... 452

Displaying Trac Statistics on HiGig Ports.................................................................................................................453

Link Bundle Monitoring................................................................................................................................................. 453

Monitoring HiGig Link Bundles.....................................................................................................................................454

Guidelines for Monitoring HiGig Link-Bundles .................................................................................................... 455

Enabling HiGig Link-Bundle Monitoring................................................................................................................ 455

Non Dell-Qualied Transceivers................................................................................................................................... 456

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 457

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................................457

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................458

Link Dampening..............................................................................................................................................................459

Important Points to Remember............................................................................................................................. 459

Enabling Link Dampening........................................................................................................................................459

Using Ethernet Pause Frames for Flow Control.........................................................................................................461

Threshold Settings................................................................................................................................................... 461

Enabling Pause Frames........................................................................................................................................... 462

Congure the MTU Size on an Interface....................................................................................................................462

Auto-Negotiation on Ethernet Interfaces...................................................................................................................463

Set Auto-Negotiation Options................................................................................................................................464

Provisioning Combo Ports............................................................................................................................................ 464

View Advanced Interface Information.........................................................................................................................465

Conguring the Interface Sampling Size.............................................................................................................. 466

Contents

15

Conguring the Trac Sampling Size Globally...........................................................................................................467

Dynamic Counters......................................................................................................................................................... 468

Clearing Interface Counters................................................................................................................................... 468

23 Internet Protocol Security (IPSec)...........................................................................................................470

Conguring IPSec .........................................................................................................................................................470

24 IPv4 Routing............................................................................................................................................ 472

IP Addresses................................................................................................................................................................... 472

Implementation Information....................................................................................................................................472

Conguration Tasks for IP Addresses..........................................................................................................................473

Assigning IP Addresses to an Interface.......................................................................................................................473

Conguring Static Routes.............................................................................................................................................474

Congure Static Routes for the Management Interface.......................................................................................... 475

Enabling Directed Broadcast........................................................................................................................................ 475

Resolution of Host Names............................................................................................................................................476

Enabling Dynamic Resolution of Host Names............................................................................................................ 476

Specifying the Local System Domain and a List of Domains....................................................................................476

Conguring DNS with Traceroute................................................................................................................................477

ARP..................................................................................................................................................................................478

Conguration Tasks for ARP.................................................................................................................................. 478

Conguring Static ARP Entries..............................................................................................................................478

Conguring ARP Inspection Trust..........................................................................................................................479

Conguring ARP Timeout.......................................................................................................................................479

Enabling Proxy ARP.................................................................................................................................................480

Clearing ARP Cache................................................................................................................................................480

ARP Learning via Gratuitous ARP......................................................................................................................... 480

Enabling ARP Learning via Gratuitous ARP...........................................................................................................481

ARP Learning via ARP Request.............................................................................................................................. 481

Conguring ARP Retries......................................................................................................................................... 482

ICMP............................................................................................................................................................................... 482

Conguration Tasks for ICMP................................................................................................................................ 482

Enabling ICMP Unreachable Messages................................................................................................................ 482

25 IPv6 Routing............................................................................................................................................484

Protocol Overview......................................................................................................................................................... 484

Extended Address Space........................................................................................................................................485

Stateless Autoconguration................................................................................................................................... 485

IPv6 Headers............................................................................................................................................................485

IPv6 Header Fields...................................................................................................................................................486

Extension Header Fields..........................................................................................................................................488

IPv6 Addressing....................................................................................................................................................... 489

IPv6 Implementation on the Dell Networking OS......................................................................................................490

Conguring the LPM Table for IPv6 Extended Prexes............................................................................................491

ICMPv6............................................................................................................................................................................491

Path MTU Discovery..................................................................................................................................................... 492

16

Contents

IPv6 Neighbor Discovery.............................................................................................................................................. 492

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................493

Conguring the IPv6 Recursive DNS Server....................................................................................................... 493

Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................495

Conguration Tasks for IPv6........................................................................................................................................495

Adjusting Your CAM Prole.................................................................................................................................... 495

Assigning an IPv6 Address to an Interface...........................................................................................................496

Assigning a Static IPv6 Route................................................................................................................................ 497

Conguring Telnet with IPv6.................................................................................................................................. 497

SNMP over IPv6...................................................................................................................................................... 497

Displaying IPv6 Information....................................................................................................................................498

Displaying an IPv6 Conguration........................................................................................................................... 498

Displaying IPv6 Routes............................................................................................................................................499

Displaying the Running Conguration for an Interface....................................................................................... 500

Clearing IPv6 Routes.............................................................................................................................................. 500

Disabling ND Entry Timeout....................................................................................................................................501

Conguring IPv6 RA Guard...........................................................................................................................................501

Conguring IPv6 RA Guard on an Interface.........................................................................................................503

Monitoring IPv6 RA Guard..................................................................................................................................... 503

26 Intermediate System to Intermediate System.......................................................................................... 505

IS-IS Protocol Overview............................................................................................................................................... 505

IS-IS Addressing............................................................................................................................................................ 505

Multi-Topology IS-IS...................................................................................................................................................... 506

Transition Mode....................................................................................................................................................... 506

Interface Support.....................................................................................................................................................507

Adjacencies...............................................................................................................................................................507

Graceful Restart.............................................................................................................................................................507

Timers........................................................................................................................................................................507

Implementation Information..........................................................................................................................................507

Conguration Information.............................................................................................................................................508

Conguration Tasks for IS-IS................................................................................................................................. 509

Conguring the Distance of a Route......................................................................................................................516

Changing the IS-Type............................................................................................................................................... 517

Redistributing IPv4 Routes......................................................................................................................................519

Redistributing IPv6 Routes.....................................................................................................................................520

Conguring Authentication Passwords..................................................................................................................521

Setting the Overload Bit..........................................................................................................................................521

Debugging IS-IS....................................................................................................................................................... 522

IS-IS Metric Styles.........................................................................................................................................................523

Congure Metric Values................................................................................................................................................523

Maximum Values in the Routing Table...................................................................................................................524

Change the IS-IS Metric Style in One Level Only................................................................................................524

Leaks from One Level to Another..........................................................................................................................525

Sample Congurations.................................................................................................................................................. 526

Contents

17

27 iSCSI Optimization...................................................................................................................................529

iSCSI Optimization Overview.......................................................................................................................................529

Default iSCSI Optimization Values................................................................................................................................531

iSCSI Optimization Prerequisites................................................................................................................................. 532

Conguring iSCSI Optimization................................................................................................................................... 532

Displaying iSCSI Optimization Information................................................................................................................. 534

Enable and Disable iSCSI Optimization.......................................................................................................................535

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................................536

Monitoring iSCSI Trac Flows.....................................................................................................................................536

Information Monitored in iSCSI Trac Flows.............................................................................................................536

Detection and Auto-Conguration for Dell EqualLogic Arrays................................................................................. 537

Conguring Detection and Ports for Dell Compellent Arrays................................................................................... 537

Application of Quality of Service to iSCSI Trac Flows........................................................................................... 538

28 Link Aggregation Control Protocol (LACP).............................................................................................. 539

Introduction to Dynamic LAGs and LACP.................................................................................................................. 539

Important Points to Remember............................................................................................................................. 539

LACP Modes............................................................................................................................................................540

Conguring LACP Commands...............................................................................................................................540

LACP Conguration Tasks.............................................................................................................................................541

Creating a LAG......................................................................................................................................................... 541

Conguring the LAG Interfaces as Dynamic.........................................................................................................541

Setting the LACP Long Timeout............................................................................................................................542

Monitoring and Debugging LACP..........................................................................................................................542

Shared LAG State Tracking.......................................................................................................................................... 543

Conguring Shared LAG State Tracking...............................................................................................................543

Important Points about Shared LAG State Tracking...........................................................................................545

LACP Basic Conguration Example............................................................................................................................ 545

Congure a LAG on ALPHA................................................................................................................................... 545

29 Layer 2.................................................................................................................................................... 553

Manage the MAC Address Table................................................................................................................................. 553

Clearing the MAC Address Table........................................................................................................................... 553

Setting the Aging Time for Dynamic Entries........................................................................................................553

Conguring a Static MAC Address........................................................................................................................554

Displaying the MAC Address Table........................................................................................................................554

MAC Learning Limit.......................................................................................................................................................554

Setting the MAC Learning Limit............................................................................................................................ 555

mac learning-limit Dynamic.................................................................................................................................... 555

mac learning-limit mac-address-sticky................................................................................................................. 555

mac learning-limit station-move............................................................................................................................ 556

mac learning-limit no-station-move...................................................................................................................... 556

Learning Limit Violation Actions.............................................................................................................................556

Setting Station Move Violation Actions................................................................................................................556

Recovering from Learning Limit and Station Move Violations........................................................................... 557

18

Contents

Disabling MAC Address Learning on the System.................................................................................................557

NIC Teaming...................................................................................................................................................................558

Congure Redundant Pairs.......................................................................................................................................... 559

Important Points about Conguring Redundant Pairs.........................................................................................561

Far-End Failure Detection.............................................................................................................................................562

FEFD State Changes...............................................................................................................................................563

Conguring FEFD.................................................................................................................................................... 564

Enabling FEFD on an Interface.............................................................................................................................. 564

Debugging FEFD......................................................................................................................................................565

30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 567

802.1AB (LLDP) Overview............................................................................................................................................567

Protocol Data Units................................................................................................................................................. 567

Optional TLVs.................................................................................................................................................................568

Management TLVs.................................................................................................................................................. 568

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 570

TIA Organizationally Specic TLVs........................................................................................................................ 570

Congure LLDP..............................................................................................................................................................574

Related Conguration Tasks................................................................................................................................... 574

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

LLDP Compatibility..................................................................................................................................................575

CONFIGURATION versus INTERFACE Congurations............................................................................................ 575

Enabling LLDP................................................................................................................................................................ 576

Disabling and Undoing LLDP.................................................................................................................................. 576

Enabling LLDP on Management Ports........................................................................................................................ 576

Disabling and Undoing LLDP on Management Ports.......................................................................................... 576

Advertising TLVs............................................................................................................................................................ 577

Viewing the LLDP Conguration..................................................................................................................................578

Viewing Information Advertised by Adjacent LLDP Agents......................................................................................579

Conguring LLDPDU Intervals.....................................................................................................................................580

Conguring Transmit and Receive Mode................................................................................................................... 580

Conguring a Time to Live............................................................................................................................................ 581

Debugging LLDP............................................................................................................................................................582

Relevant Management Objects................................................................................................................................... 582

31 Multicast Source Discovery Protocol (MSDP)..........................................................................................588

Protocol Overview.........................................................................................................................................................588

Anycast RP.....................................................................................................................................................................589

Implementation Information......................................................................................................................................... 590

Congure Multicast Source Discovery Protocol........................................................................................................590

Related Conguration Tasks...................................................................................................................................590

Enable MSDP................................................................................................................................................................. 594

Manage the Source-Active Cache..............................................................................................................................595

Viewing the Source-Active Cache........................................................................................................................ 595

Limiting the Source-Active Cache.........................................................................................................................595

Clearing the Source-Active Cache........................................................................................................................596

Contents

19

Enabling the Rejected Source-Active Cache....................................................................................................... 596

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 596

Specifying Source-Active Messages.......................................................................................................................... 600

Limiting the Source-Active Messages from a Peer....................................................................................................601

Preventing MSDP from Caching a Local Source........................................................................................................601

Preventing MSDP from Caching a Remote Source.................................................................................................. 602

Preventing MSDP from Advertising a Local Source..................................................................................................602

Logging Changes in Peership States...........................................................................................................................603

Terminating a Peership..................................................................................................................................................603

Clearing Peer Statistics.................................................................................................................................................604

Debugging MSDP..........................................................................................................................................................604

MSDP with Anycast RP................................................................................................................................................605

Conguring Anycast RP............................................................................................................................................... 606

Reducing Source-Active Message Flooding.........................................................................................................607

Specifying the RP Address Used in SA Messages.............................................................................................. 607

MSDP Sample Congurations..................................................................................................................................... 609

32 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 614

Protocol Overview..........................................................................................................................................................614

Spanning Tree Variations............................................................................................................................................... 615

Implementation Information.................................................................................................................................... 615

Congure Multiple Spanning Tree Protocol.................................................................................................................615

Related Conguration Tasks....................................................................................................................................615

Enable Multiple Spanning Tree Globally.......................................................................................................................616

Adding and Removing Interfaces..................................................................................................................................616

Creating Multiple Spanning Tree Instances.................................................................................................................616

Inuencing MSTP Root Selection.................................................................................................................................617

Interoperate with Non-Dell Bridges..............................................................................................................................618

Changing the Region Name or Revision......................................................................................................................618

Modifying Global Parameters........................................................................................................................................619

Modifying the Interface Parameters........................................................................................................................... 620

Conguring an EdgePort............................................................................................................................................... 621

Flush MAC Addresses after a Topology Change....................................................................................................... 622

MSTP Sample Congurations......................................................................................................................................622

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

CongurationExample Running-Conguration.....................................................................................................622

Debugging and Verifying MSTP Congurations........................................................................................................ 625

33 Multicast Features................................................................................................................................... 627

Enabling IP Multicast.....................................................................................................................................................627

Implementation Information..........................................................................................................................................627

First Packet Forwarding for Lossless Multicast.........................................................................................................628

Multicast Policies...........................................................................................................................................................628

IPv4 Multicast Policies............................................................................................................................................ 628

Understanding Multicast Traceroute (mtrace).......................................................................................................... 635

Important Points to Remember............................................................................................................................. 636

20

Contents

Dell C9010 Modular Chassis Switch User guide

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