Dell C9010 Modular Chassis Switch User guide

Dell EMC Networking Conguration Guide for the

C9010 Series

Version 9.14.0.0

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.

trademarks may be trademarks of their respective owners.

2018 - 07

Rev. A00

Contents

1 About this Guide...........................................................................................................................................37

Audience............................................................................................................................................................................37

Conventions...................................................................................................................................................................... 37

Related Documents..........................................................................................................................................................37

2 Conguration Fundamentals........................................................................................................................ 38

Accessing the Command Line........................................................................................................................................38

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

Navigating CLI Modes...............................................................................................................................................40

The do Command............................................................................................................................................................ 43

Undoing Commands........................................................................................................................................................ 44

Obtaining Help..................................................................................................................................................................44

Entering and Editing Commands....................................................................................................................................44

Command History............................................................................................................................................................45

Filtering show Command Outputs.................................................................................................................................45

Multiple Users in Conguration Mode........................................................................................................................... 47

3 Getting Started............................................................................................................................................48

Console Access................................................................................................................................................................48

Serial Console.............................................................................................................................................................49

Mounting an NFS File System........................................................................................................................................50

Important Points to Remember............................................................................................................................... 50

Default Conguration....................................................................................................................................................... 51

Conguring a Host Name................................................................................................................................................ 51

Accessing the System Remotely....................................................................................................................................52

Accessing the System Remotely..............................................................................................................................52

Congure the Management Port IP Address......................................................................................................... 52

Congure a Management Route..............................................................................................................................52

Conguring a Username and Password.................................................................................................................. 53

Conguring the Enable Password..................................................................................................................................54

Manage Conguration Files............................................................................................................................................54

File Storage.................................................................................................................................................................54

Copy Files to and from the System......................................................................................................................... 55

Save the Running-Conguration..............................................................................................................................56

Congure the Overload Bit for a Startup Scenario............................................................................................... 56

Viewing Files...............................................................................................................................................................56

Changes in Conguration Files................................................................................................................................. 57

Viewing Command History............................................................................................................................................. 58

Upgrading the Dell Networking OS............................................................................................................................... 58

4 Switch Management....................................................................................................................................59

Conguring Privilege Levels........................................................................................................................................... 59

Contents

3

Creating a Custom Privilege Level...........................................................................................................................59

Removing a Command from EXEC Mode.............................................................................................................. 59

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................59

Allowing Access to CONFIGURATION Mode Commands....................................................................................60

Allowing Access to the Following Modes................................................................................................................60

Applying a Privilege Level to a Username................................................................................................................61

Applying a Privilege Level to a Terminal Line.......................................................................................................... 62

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

Audit and Security Logs............................................................................................................................................ 62

Conguring Logging Format ...................................................................................................................................64

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

Track Login Activity......................................................................................................................................................... 66

Restrictions for Tracking Login Activity.................................................................................................................. 66

Conguring Login Activity Tracking.........................................................................................................................66

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

Limit Concurrent Login Sessions....................................................................................................................................68

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 68

Conguring Concurrent Session Limit.....................................................................................................................68

Enabling the System to Clear Existing Sessions.................................................................................................... 69

Enabling Secured CLI Mode........................................................................................................................................... 69

Log Messages in the Internal Buer..............................................................................................................................70

Conguration Task List for System Log Management.......................................................................................... 70

Disabling System Logging............................................................................................................................................... 70

Sending System Messages to a Syslog Server............................................................................................................ 70

Conguring a UNIX System as a Syslog Server......................................................................................................71

Display the Logging Buer and the Logging Conguration.........................................................................................71

Changing System Logging Settings...............................................................................................................................72

Conguring a UNIX Logging Facility Level....................................................................................................................72

Synchronizing Log Messages......................................................................................................................................... 73

Enabling Timestamp on Syslog Messages.................................................................................................................... 74

File Transfer Services.......................................................................................................................................................74

Conguration Task List for File Transfer Services.................................................................................................. 74

Enabling the FTP Server...........................................................................................................................................75

Conguring FTP Server Parameters....................................................................................................................... 75

Conguring FTP Client Parameters.........................................................................................................................75

Terminal Lines................................................................................................................................................................... 76

Denying and Permitting Access to a Terminal Line................................................................................................ 76

Conguring Login Authentication for Terminal Lines............................................................................................. 77

Setting Time Out of EXEC Privilege Mode................................................................................................................... 77

Using Telnet to Access Another Network Device........................................................................................................78

Lock CONFIGURATION Mode....................................................................................................................................... 79

Viewing the Conguration Lock Status...................................................................................................................79

LPC Bus Quality Degradation......................................................................................................................................... 79

LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................80

Recovering from a Forgotten Password .......................................................................................................................81

4

Contents

Ignoring the Startup Conguration and Booting from the Factory-Default Conguration..................................... 81

Recovering from a Failed Start.......................................................................................................................................82

Restoring Factory-Default Settings............................................................................................................................... 82

Important Point to Remember..................................................................................................................................82

Restoring Factory-Default Boot Environment Variables....................................................................................... 83

Using Hashes to Verify Software Images Before Installation..................................................................................... 84

Verifying System Images on C9010 Components........................................................................................................85

When System Images on C9010 Components Do Not Match.............................................................................86

Manually Resetting the System Image on a C9010 Component......................................................................... 86

Logging in to the Virtual Console of a C9010 Component....................................................................................87

Booting the C9010 from an Image on a Network Server......................................................................................87

Conguring C9010 Components to Boot from the RPM CP Image....................................................................87

Viewing the Reason for Last System Reboot...............................................................................................................88

5 802.1X......................................................................................................................................................... 89

The Port-Authentication Process...................................................................................................................................91

EAP over RADIUS......................................................................................................................................................92

Conguring 802.1X...........................................................................................................................................................93

Related Conguration Tasks..................................................................................................................................... 93

Important Points to Remember......................................................................................................................................93

Enabling 802.1X................................................................................................................................................................ 94

Conguring dot1x Prole ................................................................................................................................................96

Conguring MAC addresses for a do1x Prole.............................................................................................................96

Conguring the Static MAB and MAB Prole ............................................................................................................. 97

Conguring Critical VLAN ..............................................................................................................................................98

Conguring Request Identity Re-Transmissions...........................................................................................................98

Conguring a Quiet Period after a Failed Authentication........................................................................................... 99

Forcibly Authorizing or Unauthorizing a Port..............................................................................................................100

Re-Authenticating a Port............................................................................................................................................... 101

Conguring Dynamic VLAN Assignment with Port Authentication..........................................................................101

Guest and Authentication-Fail VLANs.........................................................................................................................102

Conguring a Guest VLAN......................................................................................................................................103

Conguring an Authentication-Fail VLAN............................................................................................................. 104

Conguring Timeouts.............................................................................................................................................. 105

Multi-Host Authentication.............................................................................................................................................106

Conguring Multi-Host AuthenticationConguring Single-Host Authentication..............................................107

Multi-Supplicant Authentication...................................................................................................................................108

Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication.............................109

MAC Authentication Bypass..........................................................................................................................................110

MAB in Single-host and Multi-Host Mode.............................................................................................................110

MAB in Multi-Supplicant Authentication Mode......................................................................................................111

Conguring MAC Authentication Bypass................................................................................................................111

Dynamic CoS with 802.1X.............................................................................................................................................. 112

6 Access Control Lists (ACLs)........................................................................................................................114

IP Access Control Lists (ACLs)......................................................................................................................................114

Contents

5

CAM Usage................................................................................................................................................................115

User-Congurable CAM Allocation......................................................................................................................... 116

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

Allocating CAM for Egress ACLs on the Port Extender....................................................................................... 118

Implementing ACLs on Dell EMC Networking OS.................................................................................................119

ACL Optimization to Increase Number of Supported IPv4 ACLs.............................................................................120

Restrictions for ACL Optimization..........................................................................................................................120

Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................121

IP Fragment Handling..................................................................................................................................................... 121

IP Fragments ACL Examples....................................................................................................................................121

Layer 4 ACL Rules Examples...................................................................................................................................122

Congure a Standard IP ACL........................................................................................................................................ 123

Conguring a Standard IP ACL Filter..................................................................................................................... 124

Congure an Extended IP ACL..................................................................................................................................... 125

Conguring Filters with a Sequence Number.......................................................................................................125

Conguring Filters Without a Sequence Number.................................................................................................126

Congure Layer 2 and Layer 3 ACLs............................................................................................................................127

Using ACL VLAN Groups............................................................................................................................................... 127

Guidelines for Conguring ACL VLAN Groups......................................................................................................127

Conguring an ACL VLAN Group...........................................................................................................................128

Allocating ACL VLAN CAM..................................................................................................................................... 129

Applying an IP ACL.........................................................................................................................................................129

Applying Ingress ACLs on the Port Extender........................................................................................................130

Applying Egress ACLs...............................................................................................................................................131

Applying Layer 3 Egress ACLs on Control-Plane Trac.......................................................................................131

Counting ACL Hits....................................................................................................................................................132

IP Prex Lists.................................................................................................................................................................. 132

Implementation Information.................................................................................................................................... 132

Conguration Task List for Prex Lists.................................................................................................................. 133

ACL Remarks.................................................................................................................................................................. 136

Conguring a Remark.............................................................................................................................................. 136

Deleting a Remark.....................................................................................................................................................137

ACL Resequencing......................................................................................................................................................... 137

Resequencing an ACL or Prex List.......................................................................................................................138

Route Maps.....................................................................................................................................................................139

Implementation Information.................................................................................................................................... 139

Important Points to Remember.................................................................................................................................... 139

Conguration Task List for Route Maps................................................................................................................ 140

Conguring Match Routes...................................................................................................................................... 142

Conguring Set Conditions..................................................................................................................................... 143

Congure a Route Map for Route Redistribution.................................................................................................144

Congure a Route Map for Route Tagging........................................................................................................... 145

Continue Clause........................................................................................................................................................145

Conguring a UDF ACL................................................................................................................................................. 145

Hot-Lock Behavior..........................................................................................................................................................147

6

Contents

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 148

How BFD Works............................................................................................................................................................. 148

BFD Packet Format..................................................................................................................................................149

BFD Sessions............................................................................................................................................................ 150

BFD Three-Way Handshake.....................................................................................................................................151

Session State Changes............................................................................................................................................153

Important Points to Remember.................................................................................................................................... 153

Congure BFD................................................................................................................................................................ 153

Congure BFD for Physical Ports...........................................................................................................................154

Congure BFD for Static Routes............................................................................................................................155

Congure BFD for IPv6 Static Routes...................................................................................................................158

Congure BFD for OSPF.........................................................................................................................................160

Congure BFD for OSPFv3.....................................................................................................................................164

Congure BFD for IS-IS........................................................................................................................................... 167

Congure BFD for BGP...........................................................................................................................................169

Congure BFD for VRRP.........................................................................................................................................175

Conguring Protocol Liveness................................................................................................................................ 178

8 Border Gateway Protocol IPv4 (BGPv4).....................................................................................................179

Autonomous Systems (AS)........................................................................................................................................... 179

Sessions and Peers......................................................................................................................................................... 181

Establish a Session....................................................................................................................................................181

Route Reectors.............................................................................................................................................................182

Communities............................................................................................................................................................. 183

BGP Attributes................................................................................................................................................................183

Best Path Selection Criteria....................................................................................................................................183

Weight........................................................................................................................................................................185

Local Preference.......................................................................................................................................................185

Multi-Exit Discriminators (MEDs)...........................................................................................................................186

Origin.......................................................................................................................................................................... 187

AS Path...................................................................................................................................................................... 187

Next Hop................................................................................................................................................................... 188

Multiprotocol BGP..........................................................................................................................................................188

Implement BGP ..............................................................................................................................................................188

Additional Path (Add-Path) Support......................................................................................................................188

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 189

Ignore Router-ID for Some Best-Path Calculations............................................................................................. 189

Four-Byte AS Numbers............................................................................................................................................189

AS4 Number Representation..................................................................................................................................190

AS Number Migration............................................................................................................................................... 191

BGP4 Management Information Base (MIB)........................................................................................................193

Important Points to Remember.............................................................................................................................. 193

Conguration Information..............................................................................................................................................194

BGP Conguration......................................................................................................................................................... 194

Enabling BGP............................................................................................................................................................ 195

Contents

7

Conguring AS4 Number Representations........................................................................................................... 198

Conguring Peer Groups.........................................................................................................................................199

Conguring BGP Fast Fail-Over............................................................................................................................ 202

Conguring Passive Peering...................................................................................................................................203

Maintaining Existing AS Numbers During an AS Migration................................................................................ 204

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 205

Filtering on an AS-Path Attribute.......................................................................................................................... 206

Regular Expressions as Filters................................................................................................................................ 207

Redistributing Routes..............................................................................................................................................208

Enabling Additional Paths....................................................................................................................................... 209

Conguring IP Community Lists............................................................................................................................ 209

Conguring an IP Extended Community List........................................................................................................210

Filtering Routes with Community Lists...................................................................................................................211

Manipulating the COMMUNITY Attribute.............................................................................................................212

Changing MED Attributes....................................................................................................................................... 213

Changing the LOCAL_PREFERENCE Attribute...................................................................................................214

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 214

Changing the WEIGHT Attribute............................................................................................................................215

Enabling Multipath....................................................................................................................................................215

Filtering BGP Routes................................................................................................................................................216

Filtering BGP Routes Using Route Maps...............................................................................................................217

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 218

Conguring BGP Route Reectors........................................................................................................................ 218

Aggregating Routes..................................................................................................................................................219

Conguring BGP Confederations...........................................................................................................................219

Enabling Route Flap Dampening............................................................................................................................ 220

Changing BGP Timers.............................................................................................................................................222

Setting the extended timer.....................................................................................................................................223

Enabling BGP Neighbor Soft-Reconguration.....................................................................................................223

Enabling or disabling BGP neighbors.....................................................................................................................224

Route Map Continue............................................................................................................................................... 225

Enabling MBGP Congurations................................................................................................................................... 226

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor..........................................227

BGP Regular Expression Optimization........................................................................................................................ 227

Debugging BGP..............................................................................................................................................................227

Storing Last and Bad PDUs....................................................................................................................................228

Capturing PDUs....................................................................................................................................................... 229

PDU Counters.......................................................................................................................................................... 230

Sample Congurations.................................................................................................................................................. 230

9 Content Addressable Memory (CAM)........................................................................................................ 239

CAM Allocation...............................................................................................................................................................239

Test CAM Usage.............................................................................................................................................................241

View CAM-ACL Settings............................................................................................................................................... 241

View CAM Usage...........................................................................................................................................................242

Conguring CAM Threshold and Silence Period........................................................................................................242

8

Contents

Setting CAM Threshold and Silence Period..........................................................................................................243

Return to the Default CAM Conguration..................................................................................................................244

CAM Optimization......................................................................................................................................................... 244

Applications for CAM Proling..................................................................................................................................... 244

LAG HashingLAG Hashing Based on Bidirectional Flow..................................................................................... 244

Unied Forwarding Table (UFT) Modes......................................................................................................................245

Conguring UFT Modes..........................................................................................................................................245

10 Control Plane Policing (CoPP)..................................................................................................................247

CoPP Implementation....................................................................................................................................................247

Protocol-based Control Plane Policing..................................................................................................................247

Queue-based Control Plane Policing..................................................................................................................... 247

CoPP Example............................................................................................................................................................... 249

Congure Control Plane Policing................................................................................................................................. 250

Conguring CoPP for Protocols............................................................................................................................ 250

Examples of Conguring CoPP for Protocols.......................................................................................................251

Conguring CoPP for CPU Queues...................................................................................................................... 252

Examples of Conguring CoPP for CPU Queues................................................................................................253

Displaying CoPP Conguration.............................................................................................................................. 254

Troubleshooting CoPP Operation................................................................................................................................ 257

Enabling CPU Trac Statistics...............................................................................................................................257

Viewing CPU Trac Statistics................................................................................................................................257

Troubleshooting CPU Packet Loss........................................................................................................................ 258

Viewing Per-Protocol CoPP Counters.................................................................................................................. 259

Viewing Per-Queue CoPP Counters..................................................................................................................... 262

11 Data Center Bridging (DCB)......................................................................................................................263

Enabling Data Center Bridging..................................................................................................................................... 263

Ethernet Enhancements in Data Center Bridging..................................................................................................... 264

Priority-Based Flow Control................................................................................................................................... 265

Enhanced Transmission Selection..........................................................................................................................266

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................267

Data Center Bridging in a Trac Flow...................................................................................................................267

QoS dot1p Trac Classication and Queue Assignment..........................................................................................268

SNMP Support for PFC and Buer Statistics Tracking............................................................................................268

DCB Maps and its Attributes........................................................................................................................................269

DCB Map: Conguration Procedure......................................................................................................................269

Important Points to Remember..............................................................................................................................270

Applying a DCB Map on a Port.............................................................................................................................. 270

Conguring PFC without a DCB Map....................................................................................................................271

Conguring Lossless Queues.................................................................................................................................. 271

Applying a DCB Map on a Line Card......................................................................................................................273

Data Center Bridging: Default Conguration..............................................................................................................273

Conguration Notes: PFC and ETS in a DCB Map.................................................................................................... 274

PFC Conguration Notes........................................................................................................................................274

ETS Conguration Notes........................................................................................................................................ 275

Contents

9

ETS Prerequisites and Restrictions........................................................................................................................275

Priority-Group Conguration Notes.......................................................................................................................276

Conguring Priority-Based Flow Control.................................................................................................................... 276

Conguring Lossless Queues..................................................................................................................................277

Conguring Enhanced Transmission Selection...........................................................................................................277

Creating an ETS Priority Group..............................................................................................................................278

ETS Operation with DCBx...................................................................................................................................... 279

Congure a DCBx Operation........................................................................................................................................ 279

DCBx Operation....................................................................................................................................................... 279

DCBx Port Roles...................................................................................................................................................... 280

DCB Conguration Exchange................................................................................................................................. 281

Conguration Source Election................................................................................................................................ 281

Propagation of DCB Information............................................................................................................................282

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 282

Behavior of Tagged Packets...................................................................................................................................283

Conguration Example for DSCP and PFC Priorities..........................................................................................283

DCBx Example..........................................................................................................................................................284

DCBx Prerequisites and Restrictions.....................................................................................................................285

Conguring DCBx....................................................................................................................................................285

Verifying the DCB Conguration................................................................................................................................. 288

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................298

PFC and ETS Conguration Examples........................................................................................................................298

Using PFC and ETS to Manage Data Center Trac................................................................................................. 299

PFC and ETS Conguration Command Examples.............................................................................................. 300

Using PFC and ETS to Manage Converged Ethernet Trac.............................................................................300

Hierarchical Scheduling in ETS Output Policies....................................................................................................301

Priority-Based Flow Control Using Dynamic Buer Method.................................................................................... 301

Pause and Resume of Trac.................................................................................................................................. 301

Buer Sizes for Lossless or PFC Packets............................................................................................................ 302

Conguring the Dynamic Buer Method................................................................................................................... 302

12 Debugging and Diagnostics...................................................................................................................... 304

Oine Diagnostics.........................................................................................................................................................304

Running Port Extender Oine Diagnostics on the Switch.................................................................................304

Running Oine Diagnostics on a Standalone Switch...........................................................................................311

TRACE Logs.................................................................................................................................................................... 331

Auto Save on Reload, Crash, or Rollover.............................................................................................................. 332

Uploading Trace Logs.............................................................................................................................................. 332

Last Restart Reason......................................................................................................................................................332

show hardware Commands.......................................................................................................................................... 333

Environmental Monitoring.............................................................................................................................................335

Displaying Port Extender Environment Information ........................................................................................... 335

Display Power Supply Status..................................................................................................................................335

Display Fan Status................................................................................................................................................... 336

Display Transceiver Type......................................................................................................................................... 336

Recognize an Over-Temperature Condition..........................................................................................................338

10

Contents

Troubleshoot an Over-Temperature Condition..................................................................................................... 339

Troubleshooting Packet Loss........................................................................................................................................ 341

Displaying Drop Counters........................................................................................................................................ 341

Displaying Dataplane Statistics...............................................................................................................................342

Displaying Line-Card Counters...............................................................................................................................344

Accessing Application Core Dumps.............................................................................................................................344

Mini Core Dumps........................................................................................................................................................... 345

Full Kernel Core Dumps.................................................................................................................................................346

Enabling TCP Dumps.....................................................................................................................................................346

Accessing Port Extender Core and Mini Core Dumps...............................................................................................347

13 Dynamic Host Conguration Protocol (DHCP).........................................................................................348

DHCP Packet Format and Options............................................................................................................................. 348

Assign an IP Address using DHCP...............................................................................................................................350

Implementation Information.......................................................................................................................................... 351

Congure the System to be a DHCP Server.............................................................................................................. 351

Conguring the Server for Automatic Address Allocation..................................................................................352

Specifying a Default Gateway................................................................................................................................ 353

Congure a Method of Hostname Resolution..................................................................................................... 354

Using DNS for Address Resolution........................................................................................................................354

Using NetBIOS WINS for Address Resolution..................................................................................................... 354

Creating Manual Binding Entries............................................................................................................................354

Debugging the DHCP Server.................................................................................................................................355

Using DHCP Clear Commands.............................................................................................................................. 355

Congure the System to be a Relay Agent................................................................................................................ 355

Congure the System to be a DHCP Client............................................................................................................... 357

DHCP Client on a Management Interface............................................................................................................ 357

DHCP Client Operation with Other Features....................................................................................................... 357

DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................358

Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 359

Congure Secure DHCP...............................................................................................................................................360

Option 82..................................................................................................................................................................360

DHCP Snooping.......................................................................................................................................................360

Drop DHCP Packets on Snooped VLANs Only....................................................................................................363

Dynamic ARP Inspection.........................................................................................................................................363

Conguring Dynamic ARP Inspection................................................................................................................... 364

Source Address Validation............................................................................................................................................ 365

Enabling IP Source Address Validation..................................................................................................................365

DHCP MAC Source Address Validation................................................................................................................ 366

Enabling IP+MAC Source Address Validation.......................................................................................................366

Viewing the Number of SAV Dropped Packets....................................................................................................367

Clearing the Number of SAV Dropped Packets................................................................................................... 367

14 Equal Cost Multi-Path (ECMP)................................................................................................................ 368

ECMP for Flow-Based Anity.....................................................................................................................................368

Enabling Deterministic ECMP Next Hop.............................................................................................................. 368

Contents

11

Conguring the Hash Algorithm Seed.................................................................................................................. 368

Link Bundle Monitoring........................................................................................................................................... 369

Managing ECMP Group Paths.....................................................................................................................................369

Creating an ECMP Group Bundle................................................................................................................................ 370

Modifying the ECMP Group Threshold.......................................................................................................................370

BGP Multipath Operation with Link Bankwidth..........................................................................................................371

Dynamic Re-calculation of Link Bankwidth.................................................................................................................372

Weighted ECMP for Static Routes..............................................................................................................................373

ECMP Support in L3 Host and LPM Tables............................................................................................................... 373

15 FCoE Transit.............................................................................................................................................374

Fibre Channel over Ethernet.........................................................................................................................................374

Ensure Robustness in a Converged Ethernet Network.............................................................................................374

FIP Snooping on Ethernet Bridges.............................................................................................................................. 376

FIP Snooping in a Switch Stack................................................................................................................................... 378

Using FIP Snooping........................................................................................................................................................378

FIP Snooping Prerequisites..................................................................................................................................... 378

Important Points to Remember..............................................................................................................................378

Enabling the FCoE Transit Feature........................................................................................................................ 379

Enable FIP Snooping on VLANs.............................................................................................................................379

Congure the FC-MAP Value.................................................................................................................................379

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................380

Congure a Port for a Bridge-to-FCF Link...........................................................................................................380

Impact on Other Software Features..................................................................................................................... 380

FIP Snooping Restrictions...................................................................................................................................... 380

Conguring FIP Snooping..............................................................................................................................................381

Displaying FIP Snooping Information...........................................................................................................................382

FCoE Transit Conguration Example...........................................................................................................................387

16 FIPS Cryptography...................................................................................................................................389

Conguration Tasks....................................................................................................................................................... 389

Preparing the System....................................................................................................................................................389

Enabling FIPS Mode......................................................................................................................................................390

Generating Host-Keys...................................................................................................................................................390

Monitoring FIPS Mode Status..................................................................................................................................... 390

Disabling FIPS Mode...................................................................................................................................................... 391

17 Flex Hash and Optimized Boot-Up............................................................................................................392

Flex Hash Capability Overview.....................................................................................................................................392

Conguring the Flex Hash Mechanism.......................................................................................................................392

LACP Fast Switchover..................................................................................................................................................393

Conguring LACP Fast Switchover.............................................................................................................................393

LACP............................................................................................................................................................................... 393

LACP Fast Switchover............................................................................................................................................393

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................393

Sample Congurations..................................................................................................................................................395

12

Contents

................................................................................................................................................................................... 395

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 398

18 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 399

Protocol Overview.........................................................................................................................................................399

Ring Status...............................................................................................................................................................400

Multiple FRRP Rings............................................................................................................................................... 400

Important FRRP Points............................................................................................................................................401

Implementing FRRP................................................................................................................................................. 401

Important FRRP Concepts..................................................................................................................................... 402

FRRP Conguration...................................................................................................................................................... 403

Creating the FRRP Group.......................................................................................................................................403

Conguring the Control VLAN...............................................................................................................................403

Conguring and Adding the Member VLANs...................................................................................................... 404

Setting the FRRP Timers........................................................................................................................................405

Clearing the FRRP Counters..................................................................................................................................406

Viewing the FRRP Conguration...........................................................................................................................406

Viewing the FRRP Information.............................................................................................................................. 406

Troubleshooting FRRP.................................................................................................................................................. 406

Conguration Checks..............................................................................................................................................406

Sample Conguration and Topology............................................................................................................................407

FRRP Support on VLT...................................................................................................................................................408

Example Scenario.................................................................................................................................................... 409

Important Points to Remember.............................................................................................................................. 410

19 GARP VLAN Registration Protocol (GVRP)............................................................................................... 411

Important Points to Remember..................................................................................................................................... 411

Congure GVRP............................................................................................................................................................. 412

Related Conguration Tasks....................................................................................................................................412

Enabling GVRP Globally.................................................................................................................................................413

Enabling GVRP on a Layer 2 Interface.........................................................................................................................413

Congure GVRP Registration....................................................................................................................................... 413

Congure a GARP Timer............................................................................................................................................... 414

20 High Availability (HA)............................................................................................................................... 415

High Availability on Chassis........................................................................................................................................... 415

High Availability in a PE Stack.......................................................................................................................................415

Online Insertion and Removal........................................................................................................................................416

RPM Online Insertion............................................................................................................................................... 416

Line Card Online Insertion....................................................................................................................................... 416

Pre-conguring a Slot for a Line-Card Type......................................................................................................... 416

Replacing a Line Card...............................................................................................................................................417

Hitless Behavior.............................................................................................................................................................. 417

Graceful Restart............................................................................................................................................................. 418

Software Resiliency........................................................................................................................................................418

System Health Monitoring.......................................................................................................................................418

Contents

13

Failure and Event Logging....................................................................................................................................... 418

Trace Log................................................................................................................................................................... 418

Core Dumps.............................................................................................................................................................. 419

System Log................................................................................................................................................................419

Control Plane Redundancy............................................................................................................................................419

Control-Plane Failover............................................................................................................................................. 419

RPM Synchronization..............................................................................................................................................420

Forcing an RPM Failover.........................................................................................................................................420

Specifying an Auto-Failover Limit...........................................................................................................................421

Disabling Auto-Reboot............................................................................................................................................. 421

21 Internet Group Management Protocol (IGMP)......................................................................................... 422

IGMP Implementation Information...............................................................................................................................422

IGMP Protocol Overview..............................................................................................................................................422

IGMP Version 2........................................................................................................................................................ 422

IGMP Version 3........................................................................................................................................................ 424

Congure IGMP............................................................................................................................................................. 427

Related Conguration Tasks................................................................................................................................... 427

Viewing IGMP Enabled Interfaces............................................................................................................................... 428

Selecting an IGMP Version........................................................................................................................................... 428

Viewing IGMP Groups...................................................................................................................................................428

Enabling IGMP Immediate-Leave.................................................................................................................................429

IGMP Snooping..............................................................................................................................................................429

IGMP Snooping Implementation Information.......................................................................................................429

Conguring IGMP Snooping...................................................................................................................................429

Removing a Group-Port Association.....................................................................................................................430

Disabling Multicast Flooding....................................................................................................................................431

Specifying a Port as Connected to a Multicast Router....................................................................................... 431

Conguring the Switch as Querier......................................................................................................................... 431

Fast Convergence after MSTP Topology Changes................................................................................................... 432

Designating a Multicast Router Interface................................................................................................................... 432

22 Interfaces................................................................................................................................................ 433

Basic Interface Conguration.......................................................................................................................................433

Advanced Interface Conguration...............................................................................................................................433

Port Numbering............................................................................................................................................................. 434

Interface Types............................................................................................................................................................... 437

View Basic Interface Information................................................................................................................................. 437

Resetting an Interface to its Factory Default State...................................................................................................443

Enabling a Physical Interface........................................................................................................................................444

Physical Interfaces.........................................................................................................................................................444

Port Pipes................................................................................................................................................................. 444

Setting the Speed of Ethernet Interfaces............................................................................................................ 444

Conguration Task List for Physical Interfaces....................................................................................................445

Overview of Layer Modes...................................................................................................................................... 445

Conguring Layer 2 (Data Link) Mode..................................................................................................................446

14

Contents

Conguring Layer 2 (Interface) Mode.................................................................................................................. 446

Conguring Layer 3 (Network) Mode...................................................................................................................447

Conguring Layer 3 (Interface) Mode...................................................................................................................447

Egress Interface Selection (EIS)..................................................................................................................................448

Important Points to Remember............................................................................................................................. 448

Conguring EIS........................................................................................................................................................ 448

Management Interfaces................................................................................................................................................449

Conguring a Dedicated Management Interface ................................................................................................449

Conguring a Management Interface on an Ethernet Port............................................................................... 450

Port Extender Interfaces............................................................................................................................................... 451

VLAN Interfaces............................................................................................................................................................. 451

Loopback Interfaces...................................................................................................................................................... 452

Null Interfaces................................................................................................................................................................ 453

Port Channel Interfaces................................................................................................................................................453

Port Channel Denition and Standards.................................................................................................................453

Port Channel Benets.............................................................................................................................................453

Port Channel Implementation.................................................................................................................................453

10/40 Gbps Interfaces in Port Channels...............................................................................................................454

Conguration Tasks for Port Channel Interfaces.................................................................................................454

Creating a Port Channel......................................................................................................................................... 454

Adding a Physical Interface to a Port Channel.....................................................................................................455

Reassigning an Interface to a New Port Channel................................................................................................ 457

Conguring the Minimum Oper Up Links in a Port Channel...............................................................................457

Adding or Removing a Port Channel from a VLAN............................................................................................. 458

Assigning an IP Address to a Port Channel.......................................................................................................... 458

Deleting or Disabling a Port Channel.....................................................................................................................459

Load Balancing Through Port Channels................................................................................................................459

Changing the Hash Algorithm................................................................................................................................459

Bulk Conguration......................................................................................................................................................... 460

Interface Range....................................................................................................................................................... 460

Bulk Conguration Examples..................................................................................................................................460

Dening Interface Range Macros................................................................................................................................ 462

Dene the Interface Range.................................................................................................................................... 462

Choosing an Interface-Range Macro.................................................................................................................... 462

Monitoring and Maintaining Interfaces....................................................................................................................... 463

Maintenance Using TDR......................................................................................................................................... 464

Displaying Trac Statistics on HiGig Ports.................................................................................................................464

Link Bundle Monitoring................................................................................................................................................. 465

Monitoring HiGig Link Bundles.....................................................................................................................................465

Guidelines for Monitoring HiGig Link-Bundles .....................................................................................................466

Enabling HiGig Link-Bundle Monitoring.................................................................................................................467

Non Dell-Qualied Transceivers................................................................................................................................... 467

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 468

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................................468

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................470

Contents

15

Link Dampening..............................................................................................................................................................470

Important Points to Remember..............................................................................................................................470

Enabling Link Dampening........................................................................................................................................470

Using Ethernet Pause Frames for Flow Control........................................................................................................ 472

Threshold Settings...................................................................................................................................................473

Enabling Pause Frames........................................................................................................................................... 473

Congure the MTU Size on an Interface.................................................................................................................... 474

Auto-Negotiation on Ethernet Interfaces................................................................................................................... 474

Set Auto-Negotiation Options................................................................................................................................475

Provisioning Combo Ports............................................................................................................................................ 475

View Advanced Interface Information.........................................................................................................................476

Conguring the Interface Sampling Size...............................................................................................................477

Conguring the Trac Sampling Size Globally...........................................................................................................478

Dynamic Counters......................................................................................................................................................... 479

Clearing Interface Counters................................................................................................................................... 480

23 Internet Protocol Security (IPSec)........................................................................................................... 481

Conguring IPSec ..........................................................................................................................................................481

24 IPv4 Routing............................................................................................................................................ 483

IP Addresses...................................................................................................................................................................483

Implementation Information....................................................................................................................................483

Conguration Tasks for IP Addresses..........................................................................................................................484

Assigning IP Addresses to an Interface.......................................................................................................................484

Conguring Static Routes............................................................................................................................................ 485

Congure Static Routes for the Management Interface..........................................................................................486

Enabling Directed Broadcast........................................................................................................................................ 486

Resolution of Host Names............................................................................................................................................487

Enabling Dynamic Resolution of Host Names............................................................................................................ 487

Specifying the Local System Domain and a List of Domains....................................................................................487

Conguring DNS with Traceroute................................................................................................................................488

ARP................................................................................................................................................................................. 489

Conguration Tasks for ARP.................................................................................................................................. 489

Conguring Static ARP Entries..............................................................................................................................489

Conguring ARP Inspection Trust......................................................................................................................... 490

Conguring ARP Timeout.......................................................................................................................................490

Enabling Proxy ARP................................................................................................................................................. 491

Clearing ARP Cache.................................................................................................................................................491

ARP Learning via Gratuitous ARP.......................................................................................................................... 491

Enabling ARP Learning via Gratuitous ARP..........................................................................................................492

ARP Learning via ARP Request............................................................................................................................. 492

Conguring ARP Retries.........................................................................................................................................493

ICMP............................................................................................................................................................................... 493

Conguration Tasks for ICMP................................................................................................................................ 493

Enabling ICMP Unreachable Messages................................................................................................................ 493

16

Contents

25 IPv6 Routing............................................................................................................................................495

Protocol Overview.........................................................................................................................................................495

Extended Address Space........................................................................................................................................496

Stateless Autoconguration................................................................................................................................... 496

IPv6 Headers............................................................................................................................................................496

IPv6 Header Fields...................................................................................................................................................497

Extension Header Fields......................................................................................................................................... 499

IPv6 Addressing.......................................................................................................................................................500

IPv6 Implementation on the Dell Networking OS.......................................................................................................501

Conguring the LPM Table for IPv6 Extended Prexes...........................................................................................502

ICMPv6...........................................................................................................................................................................502

Path MTU Discovery.....................................................................................................................................................503

IPv6 Neighbor Discovery..............................................................................................................................................503

IPv6 Neighbor Discovery of MTU Packets.......................................................................................................... 504

Conguring the IPv6 Recursive DNS Server....................................................................................................... 504

Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................506

Conguration Tasks for IPv6........................................................................................................................................506

Adjusting Your CAM Prole.................................................................................................................................... 506

Assigning an IPv6 Address to an Interface........................................................................................................... 507

Assigning a Static IPv6 Route................................................................................................................................508

Conguring Telnet with IPv6..................................................................................................................................508

SNMP over IPv6......................................................................................................................................................508

Displaying IPv6 Information....................................................................................................................................509

Displaying an IPv6 Conguration...........................................................................................................................509

Displaying IPv6 Routes............................................................................................................................................ 510

Displaying the Running Conguration for an Interface.........................................................................................511

Clearing IPv6 Routes................................................................................................................................................512

Disabling ND Entry Timeout....................................................................................................................................512

Conguring IPv6 RA Guard........................................................................................................................................... 512

Conguring IPv6 RA Guard on an Interface..........................................................................................................514

Monitoring IPv6 RA Guard...................................................................................................................................... 515

26 Intermediate System to Intermediate System...........................................................................................516

IS-IS Protocol Overview................................................................................................................................................ 516

IS-IS Addressing............................................................................................................................................................. 516

Multi-Topology IS-IS....................................................................................................................................................... 517

Transition Mode........................................................................................................................................................ 517

Interface Support..................................................................................................................................................... 518

Adjacencies................................................................................................................................................................518

Graceful Restart............................................................................................................................................................. 518

Timers........................................................................................................................................................................ 518

Implementation Information.......................................................................................................................................... 518

Conguration Information..............................................................................................................................................519

Conguration Tasks for IS-IS..................................................................................................................................520

Conguring the Distance of a Route.....................................................................................................................527

Contents

17

Changing the IS-Type.............................................................................................................................................. 528

Redistributing IPv4 Routes.....................................................................................................................................530

Redistributing IPv6 Routes......................................................................................................................................531

Conguring Authentication Passwords.................................................................................................................532

Setting the Overload Bit......................................................................................................................................... 532

Debugging IS-IS....................................................................................................................................................... 533

IS-IS Metric Styles.........................................................................................................................................................534

Congure Metric Values............................................................................................................................................... 534

Maximum Values in the Routing Table.................................................................................................................. 535

Change the IS-IS Metric Style in One Level Only................................................................................................535

Leaks from One Level to Another..........................................................................................................................536

Sample Congurations.................................................................................................................................................. 537

27 iSCSI Optimization...................................................................................................................................540

iSCSI Optimization Overview.......................................................................................................................................540

Default iSCSI Optimization Values...............................................................................................................................542

iSCSI Optimization Prerequisites................................................................................................................................. 543

Conguring iSCSI Optimization................................................................................................................................... 543

Displaying iSCSI Optimization Information................................................................................................................. 545

Enable and Disable iSCSI Optimization.......................................................................................................................546

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................................547

Monitoring iSCSI Trac Flows.....................................................................................................................................547

Information Monitored in iSCSI Trac Flows.............................................................................................................547

Detection and Auto-Conguration for Dell EqualLogic Arrays................................................................................. 548

Conguring Detection and Ports for Dell Compellent Arrays...................................................................................548

Application of Quality of Service to iSCSI Trac Flows........................................................................................... 549

28 Link Aggregation Control Protocol (LACP).............................................................................................. 550

Introduction to Dynamic LAGs and LACP.................................................................................................................. 550

Important Points to Remember............................................................................................................................. 550

LACP Modes.............................................................................................................................................................551

Conguring LACP Commands................................................................................................................................551

LACP Conguration Tasks............................................................................................................................................552

Creating a LAG.........................................................................................................................................................552

Conguring the LAG Interfaces as Dynamic........................................................................................................552

Setting the LACP Long Timeout........................................................................................................................... 553

Monitoring and Debugging LACP..........................................................................................................................553

Shared LAG State Tracking.......................................................................................................................................... 554

Conguring Shared LAG State Tracking...............................................................................................................554

Important Points about Shared LAG State Tracking...........................................................................................556

LACP Basic Conguration Example............................................................................................................................ 556

Congure a LAG on ALPHA...................................................................................................................................556

29 Layer 2.................................................................................................................................................... 564

Manage the MAC Address Table................................................................................................................................. 564

Clearing the MAC Address Table........................................................................................................................... 564

18

Contents

Setting the Aging Time for Dynamic Entries........................................................................................................564

Conguring a Static MAC Address........................................................................................................................565

Displaying the MAC Address Table........................................................................................................................565

MAC Learning Limit.......................................................................................................................................................565

Setting the MAC Learning Limit............................................................................................................................ 566

mac learning-limit Dynamic.................................................................................................................................... 566

mac learning-limit mac-address-sticky................................................................................................................. 566

mac learning-limit station-move.............................................................................................................................567

mac learning-limit no-station-move.......................................................................................................................567

Learning Limit Violation Actions.............................................................................................................................567

Setting Station Move Violation Actions................................................................................................................ 567

Recovering from Learning Limit and Station Move Violations...........................................................................568

Disabling MAC Address Learning on the System................................................................................................ 568

NIC Teaming...................................................................................................................................................................569

Congure Redundant Pairs...........................................................................................................................................570

Important Points about Conguring Redundant Pairs........................................................................................ 572

Far-End Failure Detection............................................................................................................................................. 573

FEFD State Changes............................................................................................................................................... 574

Conguring FEFD.................................................................................................................................................... 575

Enabling FEFD on an Interface...............................................................................................................................575

Debugging FEFD......................................................................................................................................................576

30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 578

802.1AB (LLDP) Overview............................................................................................................................................578

Protocol Data Units..................................................................................................................................................578

Optional TLVs................................................................................................................................................................. 579

Management TLVs...................................................................................................................................................579

TIA-1057 (LLDP-MED) Overview................................................................................................................................. 581

TIA Organizationally Specic TLVs.........................................................................................................................581

Congure LLDP............................................................................................................................................................. 585

Related Conguration Tasks...................................................................................................................................585

Important Points to Remember............................................................................................................................. 585

LLDP Compatibility..................................................................................................................................................586

CONFIGURATION versus INTERFACE Congurations............................................................................................ 586

Enabling LLDP................................................................................................................................................................ 587

Disabling and Undoing LLDP.................................................................................................................................. 587

Enabling LLDP on Management Ports........................................................................................................................ 587

Disabling and Undoing LLDP on Management Ports.......................................................................................... 587

Advertising TLVs............................................................................................................................................................588

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................589

Reserved Unrecognized LLDP TLVs..................................................................................................................... 589

Organizational Specic Unrecognized LLDP TLVs..............................................................................................589

Viewing Unrecognized LLDP TLVs........................................................................................................................590

Viewing the LLDP Conguration................................................................................................................................. 590

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................590

Examples of Viewing Information Advertised by Neighbors............................................................................... 591

Contents

19

Conguring LLDPDU Intervals..................................................................................................................................... 592

Conguring LLDP Notication Interval....................................................................................................................... 593

Conguring Transmit and Receive Mode....................................................................................................................593

Conguring a Time to Live............................................................................................................................................594

Debugging LLDP............................................................................................................................................................595

Relevant Management Objects................................................................................................................................... 596

31 Multicast Source Discovery Protocol (MSDP).......................................................................................... 601

Protocol Overview..........................................................................................................................................................601

Anycast RP.....................................................................................................................................................................602

Implementation Information..........................................................................................................................................603

Congure Multicast Source Discovery Protocol........................................................................................................603

Related Conguration Tasks...................................................................................................................................603

Enable MSDP................................................................................................................................................................. 607

Manage the Source-Active Cache..............................................................................................................................608

Viewing the Source-Active Cache........................................................................................................................ 608

Limiting the Source-Active Cache.........................................................................................................................608

Clearing the Source-Active Cache........................................................................................................................609

Enabling the Rejected Source-Active Cache.......................................................................................................609

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 609

Specifying Source-Active Messages........................................................................................................................... 613

Limiting the Source-Active Messages from a Peer....................................................................................................614

Preventing MSDP from Caching a Local Source........................................................................................................614

Preventing MSDP from Caching a Remote Source...................................................................................................615

Preventing MSDP from Advertising a Local Source.................................................................................................. 615

Logging Changes in Peership States........................................................................................................................... 616

Terminating a Peership...................................................................................................................................................616

Clearing Peer Statistics..................................................................................................................................................617

Debugging MSDP........................................................................................................................................................... 617

MSDP with Anycast RP.................................................................................................................................................618

Conguring Anycast RP................................................................................................................................................ 619

Reducing Source-Active Message Flooding.........................................................................................................620

Specifying the RP Address Used in SA Messages.............................................................................................. 620

MSDP Sample Congurations......................................................................................................................................622

32 Multiple Spanning Tree Protocol (MSTP).................................................................................................627

Protocol Overview......................................................................................................................................................... 627

Spanning Tree Variations...............................................................................................................................................628

Implementation Information....................................................................................................................................628

Congure Multiple Spanning Tree Protocol................................................................................................................628

Related Conguration Tasks...................................................................................................................................628

Enable Multiple Spanning Tree Globally...................................................................................................................... 629

Adding and Removing Interfaces.................................................................................................................................629

Creating Multiple Spanning Tree Instances................................................................................................................ 629

Inuencing MSTP Root Selection................................................................................................................................630

Interoperate with Non-Dell Bridges..............................................................................................................................631

20

Contents

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