Dell C9010 Modular Chassis Switch User guide

Dell Networking Configuration Guide for the

C9010 Series

Version 9.11(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.

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

their respective companies.

2016 - 12

Rev. A00

Contents

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

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

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

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

2 Configuration Fundamentals........................................................................................................................36

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

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

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

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

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

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

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

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

Filtering show Command Outputs.................................................................................................................................44

Multiple Users in Configuration Mode...........................................................................................................................45

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

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

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

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

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

Default Configuration...................................................................................................................................................... 49

Configuring a Host Name............................................................................................................................................... 49

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

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

Configure the Management Port IP Address.........................................................................................................50

Configure a Management Route............................................................................................................................. 50

Configuring a Username and Password.................................................................................................................. 51

Configuring the Enable Password.................................................................................................................................. 51

Manage Configuration Files.............................................................................................................................................51

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

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

Save the Running-Configuration............................................................................................................................. 53

Configure the Overload Bit for a Startup Scenario...............................................................................................54

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

Changes in Configuration Files................................................................................................................................ 55

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

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

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

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

Contents

3

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

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

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

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

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

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

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

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

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

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

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

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

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

Configuring Login Activity Tracking........................................................................................................................ 64

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

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

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

Configuring Concurrent Session Limit.................................................................................................................... 66

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

Enabling Secured CLI Mode........................................................................................................................................... 67

Log Messages in the Internal Buffer............................................................................................................................. 68

Configuration Task List for System Log Management.........................................................................................68

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

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

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

Display the Logging Buffer and the Logging Configuration....................................................................................... 69

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

Configuring a UNIX Logging Facility Level................................................................................................................... 70

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

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

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

Configuration Task List for File Transfer Services.................................................................................................72

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

Configuring FTP Server Parameters....................................................................................................................... 73

Configuring FTP Client Parameters.........................................................................................................................73

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

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

Configuring Login Authentication for Terminal Lines............................................................................................75

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

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

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

Viewing the Configuration Lock Status...................................................................................................................77

Recovering from a Forgotten Password ......................................................................................................................78

Ignoring the Startup Configuration and Booting from the Factory-Default Configuration....................................78

Recovering from a Failed Start...................................................................................................................................... 79

4

Contents

Restoring Factory-Default Settings...............................................................................................................................79

Important Point to Remember................................................................................................................................. 79

Restoring Factory-Default Boot Environment Variables...................................................................................... 80

Using Hashes to Verify Software Images Before Installation..................................................................................... 81

Verifying System Images on C9010 Components....................................................................................................... 82

When System Images on C9010 Components Do Not Match............................................................................ 83

Manually Resetting the System Image on a C9010 Component......................................................................... 83

Logging in to the Virtual Console of a C9010 Component...................................................................................84

Booting the C9010 from an Image on a Network Server..................................................................................... 84

Configuring C9010 Components to Boot from the RPM CP Image...................................................................84

5 802.1X......................................................................................................................................................... 86

The Port-Authentication Process..................................................................................................................................88

EAP over RADIUS......................................................................................................................................................89

Configuring 802.1X.......................................................................................................................................................... 90

Related Configuration Tasks.................................................................................................................................... 90

Important Points to Remember..................................................................................................................................... 90

Enabling 802.1X.................................................................................................................................................................91

Configuring dot1x Profile ................................................................................................................................................93

Configuring MAC addresses for a do1x Profile............................................................................................................ 93

Configuring the Static MAB and MAB Profile .............................................................................................................94

Configuring Critical VLAN ..............................................................................................................................................95

Configuring Request Identity Re-Transmissions......................................................................................................... 95

Configuring a Quiet Period after a Failed Authentication...........................................................................................96

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 97

Re-Authenticating a Port................................................................................................................................................98

Configuring Dynamic VLAN Assignment with Port Authentication.......................................................................... 98

Guest and Authentication-Fail VLANs.......................................................................................................................... 99

Configuring a Guest VLAN......................................................................................................................................100

Configuring an Authentication-Fail VLAN..............................................................................................................101

Configuring Timeouts...............................................................................................................................................102

Multi-Host Authentication.............................................................................................................................................103

Configuring Multi-Host AuthenticationConfiguring Single-Host Authentication.............................................104

Multi-Supplicant Authentication...................................................................................................................................105

Configuring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication............................106

MAC Authentication Bypass.........................................................................................................................................107

MAB in Single-host and Multi-Host Mode............................................................................................................ 107

MAB in Multi-Supplicant Authentication Mode....................................................................................................108

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

Dynamic CoS with 802.1X.............................................................................................................................................109

6 Access Control Lists (ACLs)........................................................................................................................111

IP Access Control Lists (ACLs)......................................................................................................................................111

CAM Usage................................................................................................................................................................112

User-Configurable CAM Allocation.........................................................................................................................113

Allocating CAM for Ingress ACLs on the Port Extender......................................................................................113

Contents

5

Allocating CAM for Egress ACLs on the Port Extender...................................................................................... 115

Implementing ACLs ..................................................................................................................................................116

IP Fragment Handling..................................................................................................................................................... 117

IP Fragments ACL Examples................................................................................................................................... 117

Layer 4 ACL Rules Examples................................................................................................................................... 118

Configure a Standard IP ACL........................................................................................................................................ 119

Configuring a Standard IP ACL Filter.....................................................................................................................120

Configure an Extended IP ACL.....................................................................................................................................120

Configuring Filters with a Sequence Number........................................................................................................121

Configuring Filters Without a Sequence Number................................................................................................ 122

Configure Layer 2 and Layer 3 ACLs...........................................................................................................................122

Using ACL VLAN Groups...............................................................................................................................................123

Guidelines for Configuring ACL VLAN Groups..................................................................................................... 123

Configuring an ACL VLAN Group...........................................................................................................................124

Allocating ACL VLAN CAM.....................................................................................................................................125

Applying an IP ACL to an Interface..............................................................................................................................125

Applying Ingress ACLs on the Port Extender....................................................................................................... 126

Applying Egress ACLs.............................................................................................................................................. 127

Applying Layer 3 Egress ACLs on Control-Plane Traffic.....................................................................................127

Counting ACL Hits....................................................................................................................................................128

IP Prefix Lists..................................................................................................................................................................128

Implementation Information.................................................................................................................................... 128

Configuration Task List for Prefix Lists................................................................................................................. 129

ACL Resequencing.........................................................................................................................................................132

Resequencing an ACL or Prefix List...................................................................................................................... 133

Route Maps.....................................................................................................................................................................134

Implementation Information.................................................................................................................................... 134

Important Points to Remember....................................................................................................................................134

Configuration Task List for Route Maps............................................................................................................... 134

Configuring Match Routes...................................................................................................................................... 137

Configuring Set Conditions..................................................................................................................................... 138

Configure a Route Map for Route Redistribution................................................................................................ 139

Configure a Route Map for Route Tagging.......................................................................................................... 139

Continue Clause........................................................................................................................................................140

Configuring a UDF ACL................................................................................................................................................. 140

Hot-Lock Behavior......................................................................................................................................................... 142

7 Bidirectional Forwarding Detection (BFD)..................................................................................................143

How BFD Works.............................................................................................................................................................143

BFD Packet Format................................................................................................................................................. 144

BFD Sessions............................................................................................................................................................ 145

BFD Three-Way Handshake................................................................................................................................... 146

Session State Changes............................................................................................................................................148

Important Points to Remember....................................................................................................................................148

Configure BFD................................................................................................................................................................ 148

Configure BFD for Physical Ports.......................................................................................................................... 149

6

Contents

Configure BFD for Static Routes...........................................................................................................................150

Configure BFD for OSPF.........................................................................................................................................153

Configure BFD for OSPFv3.................................................................................................................................... 156

Configure BFD for IS-IS...........................................................................................................................................157

Configure BFD for BGP...........................................................................................................................................160

Configure BFD for VRRP........................................................................................................................................ 166

Configuring Protocol Liveness................................................................................................................................169

8 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 170

Autonomous Systems (AS)...........................................................................................................................................170

Sessions and Peers.........................................................................................................................................................172

Establish a Session................................................................................................................................................... 172

Route Reflectors.............................................................................................................................................................173

Communities..............................................................................................................................................................174

BGP Attributes................................................................................................................................................................174

Best Path Selection Criteria....................................................................................................................................174

Weight........................................................................................................................................................................176

Local Preference...................................................................................................................................................... 176

Multi-Exit Discriminators (MEDs)...........................................................................................................................177

Origin..........................................................................................................................................................................178

AS Path......................................................................................................................................................................178

Next Hop................................................................................................................................................................... 179

Multiprotocol BGP..........................................................................................................................................................179

Implement BGP ..............................................................................................................................................................179

Additional Path (Add-Path) Support..................................................................................................................... 179

Advertise IGP Cost as MED for Redistributed Routes........................................................................................180

Ignore Router-ID for Some Best-Path Calculations............................................................................................ 180

Four-Byte AS Numbers........................................................................................................................................... 180

AS4 Number Representation...................................................................................................................................181

AS Number Migration.............................................................................................................................................. 182

BGP4 Management Information Base (MIB)....................................................................................................... 184

Important Points to Remember..............................................................................................................................184

Configuration Information............................................................................................................................................. 185

BGP Configuration......................................................................................................................................................... 185

Enabling BGP............................................................................................................................................................ 186

Configuring AS4 Number Representations...........................................................................................................189

Configuring Peer Groups.........................................................................................................................................190

Configuring BGP Fast Fail-Over.............................................................................................................................193

Configuring Passive Peering................................................................................................................................... 194

Maintaining Existing AS Numbers During an AS Migration.................................................................................195

Allowing an AS Number to Appear in its Own AS Path.......................................................................................196

Enabling Neighbor Graceful Restart...................................................................................................................... 197

Filtering on an AS-Path Attribute...........................................................................................................................197

Regular Expressions as Filters................................................................................................................................ 198

Redistributing Routes............................................................................................................................................. 200

Enabling Additional Paths....................................................................................................................................... 200

Contents

7

Configuring IP Community Lists.............................................................................................................................201

Configuring an IP Extended Community List.......................................................................................................202

Filtering Routes with Community Lists.................................................................................................................203

Manipulating the COMMUNITY Attribute............................................................................................................203

Changing MED Attributes...................................................................................................................................... 205

Changing the LOCAL_PREFERENCE Attribute................................................................................................. 205

Configuring the local System or a Different System to be the Next Hop for BGP-Learned Routes...........206

Changing the WEIGHT Attribute...........................................................................................................................206

Enabling Multipath...................................................................................................................................................207

Filtering BGP Routes...............................................................................................................................................207

Filtering BGP Routes Using Route Maps............................................................................................................. 208

Filtering BGP Routes Using AS-PATH Information.............................................................................................209

Configuring BGP Route Reflectors........................................................................................................................210

Aggregating Routes................................................................................................................................................. 210

Configuring BGP Confederations............................................................................................................................211

Enabling Route Flap Dampening..............................................................................................................................211

Changing BGP Timers..............................................................................................................................................214

Enabling BGP Neighbor Soft-Reconfiguration..................................................................................................... 214

Enabling or disabling BGP neighbors..................................................................................................................... 215

Route Map Continue................................................................................................................................................217

Enabling MBGP Configurations.................................................................................................................................... 217

BGP Regular Expression Optimization.........................................................................................................................218

Debugging BGP.............................................................................................................................................................. 218

Storing Last and Bad PDUs.................................................................................................................................... 219

Capturing PDUs.......................................................................................................................................................220

PDU Counters...........................................................................................................................................................221

Sample Configurations...................................................................................................................................................221

9 Content Addressable Memory (CAM)....................................................................................................... 230

CAM Allocation.............................................................................................................................................................. 230

Test CAM Usage........................................................................................................................................................... 232

View CAM-ACL Settings..............................................................................................................................................232

View CAM Usage...........................................................................................................................................................233

Return to the Default CAM Configuration................................................................................................................. 233

CAM Optimization......................................................................................................................................................... 234

Applications for CAM Profiling.....................................................................................................................................234

LAG HashingLAG Hashing Based on Bidirectional Flow.....................................................................................234

Unified Forwarding Table (UFT) Modes.....................................................................................................................234

Configuring UFT Modes......................................................................................................................................... 235

10 Control Plane Policing (CoPP)................................................................................................................. 236

CoPP Implementation................................................................................................................................................... 236

Protocol-based Control Plane Policing................................................................................................................. 236

Queue-based Control Plane Policing.....................................................................................................................236

CoPP Example............................................................................................................................................................... 238

Configure Control Plane Policing.................................................................................................................................239

8

Contents

Configuring CoPP for Protocols............................................................................................................................239

Examples of Configuring CoPP for Protocols......................................................................................................240

Configuring CoPP for CPU Queues.......................................................................................................................241

Examples of Configuring CoPP for CPU Queues................................................................................................242

Displaying CoPP Configuration..............................................................................................................................243

Troubleshooting CoPP Operation................................................................................................................................246

Enabling CPU Traffic Statistics............................................................................................................................. 246

Viewing CPU Traffic Statistics.............................................................................................................................. 246

Troubleshooting CPU Packet Loss........................................................................................................................247

Viewing Per-Protocol CoPP Counters..................................................................................................................248

Viewing Per-Queue CoPP Counters......................................................................................................................251

11 Data Center Bridging (DCB)..................................................................................................................... 252

Enabling Data Center Bridging.....................................................................................................................................252

Ethernet Enhancements in Data Center Bridging.....................................................................................................253

Priority-Based Flow Control...................................................................................................................................254

Enhanced Transmission Selection.........................................................................................................................255

Data Center Bridging Exchange Protocol (DCBx)..............................................................................................256

Data Center Bridging in a Traffic Flow................................................................................................................. 256

QoS dot1p Traffic Classification and Queue Assignment......................................................................................... 257

SNMP Support for PFC and Buffer Statistics Tracking...........................................................................................257

DCB Maps and its Attributes....................................................................................................................................... 258

DCB Map: Configuration Procedure..................................................................................................................... 258

Important Points to Remember.............................................................................................................................259

Applying a DCB Map on a Port..............................................................................................................................259

Configuring PFC without a DCB Map...................................................................................................................260

Configuring Lossless Queues.................................................................................................................................260

Applying a DCB Map on a Line Card......................................................................................................................261

Data Center Bridging: Default Configuration............................................................................................................. 262

Configuration Notes: PFC and ETS in a DCB Map................................................................................................... 262

PFC Configuration Notes....................................................................................................................................... 262

ETS Configuration Notes........................................................................................................................................263

ETS Prerequisites and Restrictions.......................................................................................................................264

Priority-Group Configuration Notes......................................................................................................................264

Configuring Priority-Based Flow Control....................................................................................................................264

Configuring Lossless Queues.................................................................................................................................265

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

Creating an ETS Priority Group............................................................................................................................. 266

ETS Operation with DCBx......................................................................................................................................267

Configure a DCBx Operation........................................................................................................................................267

DCBx Operation.......................................................................................................................................................268

DCBx Port Roles......................................................................................................................................................268

DCB Configuration Exchange................................................................................................................................ 269

Configuration Source Election............................................................................................................................... 270

Propagation of DCB Information........................................................................................................................... 270

Auto-Detection and Manual Configuration of the DCBx Version...................................................................... 271

Contents

9

Behavior of Tagged Packets...................................................................................................................................271

Configuration Example for DSCP and PFC Priorities..........................................................................................272

DCBx Example..........................................................................................................................................................272

DCBx Prerequisites and Restrictions.................................................................................................................... 273

Configuring DCBx.................................................................................................................................................... 274

Verifying the DCB Configuration................................................................................................................................. 277

Performing PFC Using DSCP Bits Instead of 802.1p Bits........................................................................................ 287

PFC and ETS Configuration Examples........................................................................................................................287

Using PFC and ETS to Manage Data Center Traffic................................................................................................288

PFC and ETS Configuration Command Examples.............................................................................................. 289

Using PFC and ETS to Manage Converged Ethernet Traffic........................................................................... 289

Hierarchical Scheduling in ETS Output Policies...................................................................................................290

Priority-Based Flow Control Using Dynamic Buffer Method...................................................................................290

Pause and Resume of Traffic.................................................................................................................................290

Buffer Sizes for Lossless or PFC Packets............................................................................................................ 291

Configuring the Dynamic Buffer Method....................................................................................................................291

12 Debugging and Diagnostics...................................................................................................................... 293

Offline Diagnostics.........................................................................................................................................................293

Running Port Extender Offline Diagnostics on the Switch................................................................................293

Running Offline Diagnostics on a Standalone Switch.........................................................................................300

TRACE Logs...................................................................................................................................................................320

Auto Save on Reload, Crash, or Rollover.............................................................................................................. 321

Uploading Trace Logs.............................................................................................................................................. 321

Last Restart Reason.......................................................................................................................................................321

show hardware Commands..........................................................................................................................................322

Environmental Monitoring............................................................................................................................................ 324

Displaying Port Extender Environment Information ...........................................................................................324

Display Power Supply Status................................................................................................................................. 324

Display Fan Status...................................................................................................................................................325

Display Transceiver Type........................................................................................................................................325

Recognize an Over-Temperature Condition........................................................................................................ 327

Troubleshoot an Over-Temperature Condition................................................................................................... 328

Troubleshooting Packet Loss.......................................................................................................................................330

Displaying Drop Counters....................................................................................................................................... 330

Displaying Dataplane Statistics...............................................................................................................................331

Displaying Line-Card Counters...............................................................................................................................333

Accessing Application Core Dumps.............................................................................................................................333

Mini Core Dumps........................................................................................................................................................... 334

Full Kernel Core Dumps................................................................................................................................................ 335

Enabling TCP Dumps.................................................................................................................................................... 335

Accessing Port Extender Core and Mini Core Dumps..............................................................................................336

13 Dynamic Host Configuration Protocol (DHCP).........................................................................................337

DHCP Packet Format and Options............................................................................................................................. 337

Assign an IP Address using DHCP...............................................................................................................................339

10

Contents

Implementation Information......................................................................................................................................... 340

Configure the System to be a DHCP Server.............................................................................................................340

Configuring the Server for Automatic Address Allocation..................................................................................341

Specifying a Default Gateway................................................................................................................................342

Configure a Method of Hostname Resolution..................................................................................................... 342

Using DNS for Address Resolution........................................................................................................................342

Using NetBIOS WINS for Address Resolution..................................................................................................... 343

Creating Manual Binding Entries............................................................................................................................343

Debugging the DHCP Server................................................................................................................................. 343

Using DHCP Clear Commands...............................................................................................................................344

Configure the System to be a Relay Agent................................................................................................................344

Configure the System to be a DHCP Client...............................................................................................................346

DHCP Client on a Management Interface............................................................................................................346

DHCP Client Operation with Other Features...................................................................................................... 346

Configure Secure DHCP...............................................................................................................................................347

Option 82.................................................................................................................................................................. 347

DHCP Snooping.......................................................................................................................................................348

Drop DHCP Packets on Snooped VLANs Only................................................................................................... 350

Dynamic ARP Inspection......................................................................................................................................... 351

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

Source Address Validation............................................................................................................................................353

Enabling IP Source Address Validation................................................................................................................. 353

DHCP MAC Source Address Validation................................................................................................................354

Enabling IP+MAC Source Address Validation......................................................................................................354

Viewing the Number of SAV Dropped Packets...................................................................................................354

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

14 Equal Cost Multi-Path (ECMP)................................................................................................................356

ECMP for Flow-Based Affinity.................................................................................................................................... 356

Enabling Deterministic ECMP Next Hop..............................................................................................................356

Configuring the Hash Algorithm Seed.................................................................................................................. 356

Link Bundle Monitoring........................................................................................................................................... 357

Managing ECMP Group Paths.....................................................................................................................................357

Creating an ECMP Group Bundle................................................................................................................................358

Modifying the ECMP Group Threshold...................................................................................................................... 358

BGP Multipath Operation with Link Bankwidth.........................................................................................................359

Dynamic Re-calculation of Link Bankwidth................................................................................................................360

Weighted ECMP for Static Routes..............................................................................................................................361

ECMP Support in L3 Host and LPM Tables............................................................................................................... 361

15 FCoE Transit............................................................................................................................................ 362

Fibre Channel over Ethernet........................................................................................................................................362

Ensure Robustness in a Converged Ethernet Network............................................................................................362

FIP Snooping on Ethernet Bridges..............................................................................................................................364

FIP Snooping in a Switch Stack...................................................................................................................................366

Using FIP Snooping....................................................................................................................................................... 366

Contents

11

FIP Snooping Prerequisites.................................................................................................................................... 366

Important Points to Remember.............................................................................................................................366

Enabling the FCoE Transit Feature....................................................................................................................... 367

Enable FIP Snooping on VLANs.............................................................................................................................367

Configure the FC-MAP Value................................................................................................................................ 367

Configure a Port for a Bridge-to-Bridge Link...................................................................................................... 368

Configure a Port for a Bridge-to-FCF Link.......................................................................................................... 368

Impact on Other Software Features.....................................................................................................................368

FIP Snooping Restrictions...................................................................................................................................... 368

Configuring FIP Snooping.............................................................................................................................................369

Displaying FIP Snooping Information...........................................................................................................................370

FCoE Transit Configuration Example..........................................................................................................................375

16 FIPS Cryptography...................................................................................................................................377

Configuration Tasks.......................................................................................................................................................377

Preparing the System....................................................................................................................................................377

Enabling FIPS Mode...................................................................................................................................................... 378

Generating Host-Keys...................................................................................................................................................378

Monitoring FIPS Mode Status......................................................................................................................................378

Disabling FIPS Mode......................................................................................................................................................379

17 Flex Hash and Optimized Boot-Up............................................................................................................380

Flex Hash Capability Overview.................................................................................................................................... 380

Configuring the Flex Hash Mechanism.......................................................................................................................380

LACP Fast Switchover.................................................................................................................................................. 381

Configuring LACP Fast Switchover.............................................................................................................................381

LACP................................................................................................................................................................................381

LACP Fast Switchover............................................................................................................................................ 381

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................381

Sample Configurations..................................................................................................................................................383

................................................................................................................................................................................... 383

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.....................................................................................386

18 Force10 Resilient Ring Protocol (FRRP)...................................................................................................387

Protocol Overview.........................................................................................................................................................387

Ring Status...............................................................................................................................................................388

Multiple FRRP Rings............................................................................................................................................... 388

Important FRRP Points...........................................................................................................................................389

Implementing FRRP.................................................................................................................................................389

Important FRRP Concepts.....................................................................................................................................390

FRRP Configuration.......................................................................................................................................................391

Creating the FRRP Group.......................................................................................................................................391

Configuring the Control VLAN................................................................................................................................391

Configuring and Adding the Member VLANs.......................................................................................................392

Setting the FRRP Timers........................................................................................................................................393

Clearing the FRRP Counters..................................................................................................................................394

12

Contents

Viewing the FRRP Configuration...........................................................................................................................394

Viewing the FRRP Information.............................................................................................................................. 394

Troubleshooting FRRP..................................................................................................................................................394

Configuration Checks..............................................................................................................................................394

Sample Configuration and Topology...........................................................................................................................395

FRRP Support on VLT.................................................................................................................................................. 396

Example Scenario.....................................................................................................................................................397

Important Points to Remember.............................................................................................................................398

19 GARP VLAN Registration Protocol (GVRP)............................................................................................. 399

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

Configure GVRP............................................................................................................................................................400

Related Configuration Tasks..................................................................................................................................400

Enabling GVRP Globally.................................................................................................................................................401

Enabling GVRP on a Layer 2 Interface........................................................................................................................ 401

Configure GVRP Registration.......................................................................................................................................401

Configure a GARP Timer.............................................................................................................................................. 402

20 High Availability (HA).............................................................................................................................. 403

High Availability on Chassis.......................................................................................................................................... 403

High Availability in a PE Stack......................................................................................................................................403

Online Insertion and Removal.......................................................................................................................................404

RPM Online Insertion.............................................................................................................................................. 404

Line Card Online Insertion...................................................................................................................................... 404

Pre-configuring a Slot for a Line-Card Type........................................................................................................404

Replacing a Line Card............................................................................................................................................. 405

Hitless Behavior.............................................................................................................................................................405

Graceful Restart............................................................................................................................................................ 406

Software Resiliency.......................................................................................................................................................406

System Health Monitoring......................................................................................................................................406

Failure and Event Logging......................................................................................................................................406

Trace Log..................................................................................................................................................................406

Core Dumps..............................................................................................................................................................407

System Log...............................................................................................................................................................407

Control Plane Redundancy...........................................................................................................................................407

Control-Plane Failover.............................................................................................................................................407

RPM Synchronization............................................................................................................................................. 408

Forcing an RPM Failover........................................................................................................................................ 408

Specifying an Auto-Failover Limit..........................................................................................................................409

Disabling Auto-Reboot............................................................................................................................................409

21 Internet Group Management Protocol (IGMP)......................................................................................... 410

IGMP Implementation Information...............................................................................................................................410

IGMP Protocol Overview.............................................................................................................................................. 410

IGMP Version 2.........................................................................................................................................................410

IGMP Version 3.........................................................................................................................................................412

Contents

13

Configure IGMP..............................................................................................................................................................415

Related Configuration Tasks...................................................................................................................................415

Viewing IGMP Enabled Interfaces................................................................................................................................416

Selecting an IGMP Version........................................................................................................................................... 416

Viewing IGMP Groups................................................................................................................................................... 416

Enabling IGMP Immediate-Leave................................................................................................................................. 417

IGMP Snooping...............................................................................................................................................................417

IGMP Snooping Implementation Information........................................................................................................417

Configuring IGMP Snooping....................................................................................................................................417

Removing a Group-Port Association..................................................................................................................... 418

Disabling Multicast Flooding....................................................................................................................................419

Specifying a Port as Connected to a Multicast Router.......................................................................................419

Configuring the Switch as Querier.........................................................................................................................419

Fast Convergence after MSTP Topology Changes..................................................................................................420

Designating a Multicast Router Interface...................................................................................................................420

22 Interfaces.................................................................................................................................................421

Basic Interface Configuration....................................................................................................................................... 421

Advanced Interface Configuration............................................................................................................................... 421

Port Numbering............................................................................................................................................................. 422

Interface Types..............................................................................................................................................................425

View Basic Interface Information................................................................................................................................ 425

Resetting an Interface to its Factory Default State...................................................................................................431

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

Physical Interfaces.........................................................................................................................................................432

Port Pipes................................................................................................................................................................. 432

Setting the Speed of Ethernet Interfaces............................................................................................................432

Configuration Task List for Physical Interfaces...................................................................................................433

Overview of Layer Modes...................................................................................................................................... 433

Configuring Layer 2 (Data Link) Mode................................................................................................................. 434

Configuring Layer 2 (Interface) Mode..................................................................................................................434

Configuring Layer 3 (Network) Mode.................................................................................................................. 435

Configuring Layer 3 (Interface) Mode..................................................................................................................435

Egress Interface Selection (EIS)................................................................................................................................. 436

Important Points to Remember.............................................................................................................................436

Configuring EIS........................................................................................................................................................ 436

Management Interfaces................................................................................................................................................437

Configuring a Dedicated Management Interface ............................................................................................... 437

Configuring a Management Interface on an Ethernet Port............................................................................... 438

Port Extender Interfaces..............................................................................................................................................439

VLAN Interfaces............................................................................................................................................................ 439

Loopback Interfaces......................................................................................................................................................440

Null Interfaces................................................................................................................................................................440

Port Channel Interfaces.................................................................................................................................................441

Port Channel Definition and Standards................................................................................................................. 441

Port Channel Benefits..............................................................................................................................................441

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Contents

Port Channel Implementation................................................................................................................................. 441

10/40 Gbps Interfaces in Port Channels.............................................................................................................. 442

Configuration Tasks for Port Channel Interfaces................................................................................................442

Creating a Port Channel......................................................................................................................................... 442

Adding a Physical Interface to a Port Channel.................................................................................................... 443

Reassigning an Interface to a New Port Channel............................................................................................... 445

Configuring the Minimum Oper Up Links in a Port Channel.............................................................................. 445

Adding or Removing a Port Channel from a VLAN.............................................................................................446

Assigning an IP Address to a Port Channel..........................................................................................................446

Deleting or Disabling a Port Channel.....................................................................................................................446

Load Balancing Through Port Channels................................................................................................................447

Changing the Hash Algorithm................................................................................................................................ 447

Bulk Configuration......................................................................................................................................................... 448

Interface Range....................................................................................................................................................... 448

Bulk Configuration Examples..................................................................................................................................448

Defining Interface Range Macros................................................................................................................................450

Define the Interface Range....................................................................................................................................450

Choosing an Interface-Range Macro....................................................................................................................450

Monitoring and Maintaining Interfaces.......................................................................................................................450

Maintenance Using TDR..........................................................................................................................................451

Displaying Traffic Statistics on HiGig Ports............................................................................................................... 452

Link Bundle Monitoring................................................................................................................................................. 452

Monitoring HiGig Link Bundles.....................................................................................................................................453

Guidelines for Monitoring HiGig Link-Bundles .................................................................................................... 454

Enabling HiGig Link-Bundle Monitoring................................................................................................................ 454

Non Dell-Qualified Transceivers.................................................................................................................................. 455

Splitting QSFP Ports to SFP+ Ports...........................................................................................................................456

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port........................................................................... 456

Configuring wavelength for 10–Gigabit SFP+ optics............................................................................................... 457

Link Dampening............................................................................................................................................................. 458

Important Points to Remember.............................................................................................................................458

Enabling Link Dampening........................................................................................................................................458

Using Ethernet Pause Frames for Flow Control........................................................................................................460

Threshold Settings.................................................................................................................................................. 460

Enabling Pause Frames............................................................................................................................................461

Configure the MTU Size on an Interface.................................................................................................................... 461

Auto-Negotiation on Ethernet Interfaces...................................................................................................................462

Set Auto-Negotiation Options............................................................................................................................... 463

Provisioning Combo Ports............................................................................................................................................463

View Advanced Interface Information........................................................................................................................ 464

Configuring the Interface Sampling Size..............................................................................................................465

Configuring the Traffic Sampling Size Globally..........................................................................................................466

Dynamic Counters......................................................................................................................................................... 467

Clearing Interface Counters................................................................................................................................... 467

23 Internet Protocol Security (IPSec)..........................................................................................................469

Contents

15

Configuring IPSec .........................................................................................................................................................469

24 IPv4 Routing.............................................................................................................................................471

IP Addresses....................................................................................................................................................................471

Implementation Information.................................................................................................................................... 471

Configuration Tasks for IP Addresses.........................................................................................................................472

Assigning IP Addresses to an Interface.......................................................................................................................472

Configuring Static Routes............................................................................................................................................ 473

Configure Static Routes for the Management Interface..........................................................................................474

Enabling Directed Broadcast........................................................................................................................................474

Resolution of Host Names............................................................................................................................................475

Enabling Dynamic Resolution of Host Names............................................................................................................475

Specifying the Local System Domain and a List of Domains................................................................................... 475

Configuring DNS with Traceroute...............................................................................................................................476

ARP..................................................................................................................................................................................477

Configuration Tasks for ARP..................................................................................................................................477

Configuring Static ARP Entries..............................................................................................................................477

Configuring ARP Inspection Trust.........................................................................................................................478

Configuring ARP Timeout.......................................................................................................................................478

Enabling Proxy ARP.................................................................................................................................................479

Clearing ARP Cache................................................................................................................................................ 479

ARP Learning via Gratuitous ARP......................................................................................................................... 479

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

ARP Learning via ARP Request.............................................................................................................................480

Configuring ARP Retries..........................................................................................................................................481

ICMP................................................................................................................................................................................ 481

Configuration Tasks for ICMP................................................................................................................................ 481

Enabling ICMP Unreachable Messages.................................................................................................................481

25 IPv6 Routing............................................................................................................................................483

Protocol Overview.........................................................................................................................................................483

Extended Address Space........................................................................................................................................484

Stateless Autoconfiguration...................................................................................................................................484

IPv6 Headers............................................................................................................................................................484

IPv6 Header Fields...................................................................................................................................................485

Extension Header Fields..........................................................................................................................................487

IPv6 Addressing.......................................................................................................................................................488

IPv6 Implementation on the Dell Networking OS......................................................................................................489

Configuring the LPM Table for IPv6 Extended Prefixes..........................................................................................490

ICMPv6...........................................................................................................................................................................490

Path MTU Discovery......................................................................................................................................................491

IPv6 Neighbor Discovery...............................................................................................................................................491

IPv6 Neighbor Discovery of MTU Packets.......................................................................................................... 492

Configuring the IPv6 Recursive DNS Server.......................................................................................................492

Secure Shell (SSH) Over an IPv6 Transport............................................................................................................. 494

Configuration Tasks for IPv6....................................................................................................................................... 494

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Contents

Adjusting Your CAM Profile....................................................................................................................................494

Assigning an IPv6 Address to an Interface.......................................................................................................... 495

Assigning a Static IPv6 Route................................................................................................................................496

Configuring Telnet with IPv6................................................................................................................................. 496

SNMP over IPv6......................................................................................................................................................496

Displaying IPv6 Information....................................................................................................................................497

Displaying an IPv6 Configuration........................................................................................................................... 497

Displaying IPv6 Routes........................................................................................................................................... 498

Displaying the Running Configuration for an Interface.......................................................................................499

Clearing IPv6 Routes...............................................................................................................................................499

Configuring IPv6 RA Guard..........................................................................................................................................500

Configuring IPv6 RA Guard on an Interface........................................................................................................ 502

Monitoring IPv6 RA Guard..................................................................................................................................... 502

26 Intermediate System to Intermediate System......................................................................................... 503

IS-IS Protocol Overview...............................................................................................................................................503

IS-IS Addressing............................................................................................................................................................ 503

Multi-Topology IS-IS..................................................................................................................................................... 504

Transition Mode.......................................................................................................................................................504

Interface Support.................................................................................................................................................... 505

Adjacencies.............................................................................................................................................................. 505

Graceful Restart............................................................................................................................................................505

Timers....................................................................................................................................................................... 505

Implementation Information.........................................................................................................................................505

Configuration Information............................................................................................................................................ 506

Configuration Tasks for IS-IS.................................................................................................................................507

Configuring the Distance of a Route..................................................................................................................... 514

Changing the IS-Type..............................................................................................................................................515

Redistributing IPv4 Routes......................................................................................................................................517

Redistributing IPv6 Routes..................................................................................................................................... 518

Configuring Authentication Passwords.................................................................................................................519

Setting the Overload Bit..........................................................................................................................................519

Debugging IS-IS.......................................................................................................................................................520

IS-IS Metric Styles......................................................................................................................................................... 521

Configure Metric Values................................................................................................................................................521

Maximum Values in the Routing Table..................................................................................................................522

Change the IS-IS Metric Style in One Level Only............................................................................................... 522

Leaks from One Level to Another......................................................................................................................... 523

Sample Configurations..................................................................................................................................................524

27 iSCSI Optimization...................................................................................................................................527

iSCSI Optimization Overview.......................................................................................................................................527

Default iSCSI Optimization Values.............................................................................................................................. 529

iSCSI Optimization Prerequisites.................................................................................................................................530

Configuring iSCSI Optimization................................................................................................................................... 530

Displaying iSCSI Optimization Information................................................................................................................. 532

Contents

17

Enable and Disable iSCSI Optimization.......................................................................................................................533

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.....................................................................534

Monitoring iSCSI Traffic Flows....................................................................................................................................534

Information Monitored in iSCSI Traffic Flows............................................................................................................534

Detection and Auto-Configuration for Dell EqualLogic Arrays................................................................................ 535

Configuring Detection and Ports for Dell Compellent Arrays.................................................................................. 535

Application of Quality of Service to iSCSI Traffic Flows.......................................................................................... 536

28 Link Aggregation Control Protocol (LACP)..............................................................................................537

Introduction to Dynamic LAGs and LACP.................................................................................................................. 537

Important Points to Remember............................................................................................................................. 537

LACP Modes............................................................................................................................................................ 538

Configuring LACP Commands...............................................................................................................................538

LACP Configuration Tasks........................................................................................................................................... 539

Creating a LAG........................................................................................................................................................ 539

Configuring the LAG Interfaces as Dynamic........................................................................................................539

Setting the LACP Long Timeout........................................................................................................................... 540

Monitoring and Debugging LACP..........................................................................................................................540

Shared LAG State Tracking.......................................................................................................................................... 541

Configuring Shared LAG State Tracking...............................................................................................................541

Important Points about Shared LAG State Tracking..........................................................................................543

LACP Basic Configuration Example............................................................................................................................ 543

Configure a LAG on ALPHA...................................................................................................................................543

29 Layer 2.....................................................................................................................................................551

Manage the MAC Address Table................................................................................................................................. 551

Clearing the MAC Address Table...........................................................................................................................551

Setting the Aging Time for Dynamic Entries........................................................................................................ 551

Configuring a Static MAC Address....................................................................................................................... 552

Displaying the MAC Address Table....................................................................................................................... 552

MAC Learning Limit.......................................................................................................................................................552

Setting the MAC Learning Limit............................................................................................................................553

mac learning-limit Dynamic.................................................................................................................................... 553

mac learning-limit mac-address-sticky.................................................................................................................553

mac learning-limit station-move............................................................................................................................ 554

mac learning-limit no-station-move...................................................................................................................... 554

Learning Limit Violation Actions.............................................................................................................................554

Setting Station Move Violation Actions................................................................................................................554

Recovering from Learning Limit and Station Move Violations.......................................................................... 555

Disabling MAC Address Learning on the System................................................................................................555

NIC Teaming.................................................................................................................................................................. 556

Configure Redundant Pairs.......................................................................................................................................... 557

Important Points about Configuring Redundant Pairs........................................................................................559

Far-End Failure Detection............................................................................................................................................ 560

FEFD State Changes............................................................................................................................................... 561

Configuring FEFD.................................................................................................................................................... 562

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Contents

Enabling FEFD on an Interface.............................................................................................................................. 562

Debugging FEFD......................................................................................................................................................563

30 Link Layer Discovery Protocol (LLDP).................................................................................................... 565

802.1AB (LLDP) Overview...........................................................................................................................................565

Protocol Data Units.................................................................................................................................................565

Optional TLVs................................................................................................................................................................ 566

Management TLVs..................................................................................................................................................566

TIA-1057 (LLDP-MED) Overview............................................................................................................................... 568

TIA Organizationally Specific TLVs....................................................................................................................... 568

Configure LLDP..............................................................................................................................................................572

Related Configuration Tasks.................................................................................................................................. 572

Important Points to Remember............................................................................................................................. 572

LLDP Compatibility..................................................................................................................................................573

CONFIGURATION versus INTERFACE Configurations............................................................................................573

Enabling LLDP................................................................................................................................................................574

Disabling and Undoing LLDP.................................................................................................................................. 574

Enabling LLDP on Management Ports........................................................................................................................574

Disabling and Undoing LLDP on Management Ports..........................................................................................574

Advertising TLVs............................................................................................................................................................575

Viewing the LLDP Configuration................................................................................................................................. 576

Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 577

Configuring LLDPDU Intervals.....................................................................................................................................578

Configuring Transmit and Receive Mode................................................................................................................... 578

Configuring a Time to Live........................................................................................................................................... 579

Debugging LLDP............................................................................................................................................................580

Relevant Management Objects...................................................................................................................................580

31 Multicast Source Discovery Protocol (MSDP)......................................................................................... 586

Protocol Overview........................................................................................................................................................ 586

Anycast RP.....................................................................................................................................................................587

Implementation Information......................................................................................................................................... 588

Configure Multicast Source Discovery Protocol....................................................................................................... 588

Related Configuration Tasks..................................................................................................................................588

Enable MSDP.................................................................................................................................................................592

Manage the Source-Active Cache..............................................................................................................................593

Viewing the Source-Active Cache........................................................................................................................ 593

Limiting the Source-Active Cache........................................................................................................................ 593

Clearing the Source-Active Cache........................................................................................................................594

Enabling the Rejected Source-Active Cache.......................................................................................................594

Accept Source-Active Messages that Fail the RFP Check.....................................................................................594

Specifying Source-Active Messages.......................................................................................................................... 598

Limiting the Source-Active Messages from a Peer.................................................................................................. 599

Preventing MSDP from Caching a Local Source......................................................................................................599

Preventing MSDP from Caching a Remote Source................................................................................................. 600

Preventing MSDP from Advertising a Local Source.................................................................................................600

Contents

19

Logging Changes in Peership States...........................................................................................................................601

Terminating a Peership..................................................................................................................................................601

Clearing Peer Statistics................................................................................................................................................ 602

Debugging MSDP..........................................................................................................................................................602

MSDP with Anycast RP................................................................................................................................................603

Configuring Anycast RP............................................................................................................................................... 604

Reducing Source-Active Message Flooding........................................................................................................605

Specifying the RP Address Used in SA Messages..............................................................................................605

MSDP Sample Configurations..................................................................................................................................... 607

32 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 612

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

Spanning Tree Variations...............................................................................................................................................613

Implementation Information....................................................................................................................................613

Configure Multiple Spanning Tree Protocol................................................................................................................613

Related Configuration Tasks...................................................................................................................................613

Enable Multiple Spanning Tree Globally.......................................................................................................................614

Adding and Removing Interfaces................................................................................................................................. 614

Creating Multiple Spanning Tree Instances................................................................................................................ 614

Influencing MSTP Root Selection................................................................................................................................ 615

Interoperate with Non-Dell Bridges............................................................................................................................. 616

Changing the Region Name or Revision......................................................................................................................616

Modifying Global Parameters........................................................................................................................................617

Modifying the Interface Parameters............................................................................................................................618

Configuring an EdgePort...............................................................................................................................................619

Flush MAC Addresses after a Topology Change...................................................................................................... 620

MSTP Sample Configurations......................................................................................................................................620

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

ConfigurationExample Running-Configuration.................................................................................................... 620

Debugging and Verifying MSTP Configurations........................................................................................................623

33 Multicast Features...................................................................................................................................625

Enabling IP Multicast.....................................................................................................................................................625

Implementation Information......................................................................................................................................... 625

First Packet Forwarding for Lossless Multicast........................................................................................................ 626

Multicast Policies...........................................................................................................................................................626

IPv4 Multicast Policies............................................................................................................................................626

Understanding Multicast Traceroute (mtrace)......................................................................................................... 633

Important Points to Remember.............................................................................................................................634

Printing Multicast Traceroute (mtrace) Paths.......................................................................................................... 634

Supported Error Codes.................................................................................................................................................635

mtrace Scenarios...........................................................................................................................................................636

34 Object Tracking....................................................................................................................................... 642

Object Tracking Overview............................................................................................................................................642

Track Layer 2 Interfaces.........................................................................................................................................643

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Contents

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Dell C9010 Modular Chassis Switch User guide

Dell C9010 Modular Chassis Switch User guide

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