Dell C9010 Modular Chassis Switch User guide

Dell EMC Networking Conguration Guide for the

C9010 Series

Version 9.13.0.1P1

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.

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2018 - 03

Rev. A00

Contents

1 About this Guide...........................................................................................................................................36

Audience........................................................................................................................................................................... 36

Conventions......................................................................................................................................................................36

Related Documents......................................................................................................................................................... 36

2 Conguration Fundamentals........................................................................................................................ 37

Accessing the Command Line........................................................................................................................................ 37

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

Navigating CLI Modes............................................................................................................................................... 39

The do Command............................................................................................................................................................ 42

Undoing Commands........................................................................................................................................................ 43

Obtaining Help..................................................................................................................................................................43

Entering and Editing Commands....................................................................................................................................43

Command History............................................................................................................................................................ 44

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

Multiple Users in Conguration Mode...........................................................................................................................46

3 Getting Started............................................................................................................................................47

Console Access................................................................................................................................................................ 47

Serial Console.............................................................................................................................................................48

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

Important Points to Remember................................................................................................................................49

Default Conguration...................................................................................................................................................... 50

Conguring a Host Name............................................................................................................................................... 50

Accessing the System Remotely.................................................................................................................................... 51

Accessing the System Remotely.............................................................................................................................. 51

Congure the Management Port IP Address..........................................................................................................51

Congure a Management Route...............................................................................................................................51

Conguring a Username and Password.................................................................................................................. 52

Conguring the Enable Password..................................................................................................................................53

Manage Conguration Files............................................................................................................................................53

File Storage.................................................................................................................................................................53

Copy Files to and from the System......................................................................................................................... 54

Save the Running-Conguration............................................................................................................................. 55

Congure the Overload Bit for a Startup Scenario............................................................................................... 55

Viewing Files...............................................................................................................................................................55

Changes in Conguration Files.................................................................................................................................56

Viewing Command History..............................................................................................................................................57

Upgrading the Dell Networking OS................................................................................................................................57

4 Switch Management....................................................................................................................................58

Conguring Privilege Levels........................................................................................................................................... 58

Contents

3

Creating a Custom Privilege Level...........................................................................................................................58

Removing a Command from EXEC Mode.............................................................................................................. 58

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................58

Allowing Access to CONFIGURATION Mode Commands....................................................................................59

Allowing Access to the Following Modes................................................................................................................59

Applying a Privilege Level to a Username...............................................................................................................60

Applying a Privilege Level to a Terminal Line...........................................................................................................61

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

Audit and Security Logs.............................................................................................................................................61

Conguring Logging Format ...................................................................................................................................63

Setting Up a Secure Connection to a Syslog Server.............................................................................................63

Track Login Activity......................................................................................................................................................... 65

Restrictions for Tracking Login Activity.................................................................................................................. 65

Conguring Login Activity Tracking.........................................................................................................................65

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

Limit Concurrent Login Sessions....................................................................................................................................67

Restrictions for Limiting the Number of Concurrent Sessions.............................................................................67

Conguring Concurrent Session Limit.....................................................................................................................67

Enabling the System to Clear Existing Sessions.................................................................................................... 68

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

Log Messages in the Internal Buer..............................................................................................................................69

Conguration Task List for System Log Management..........................................................................................69

Disabling System Logging............................................................................................................................................... 69

Sending System Messages to a Syslog Server............................................................................................................69

Conguring a UNIX System as a Syslog Server.....................................................................................................70

Display the Logging Buer and the Logging Conguration........................................................................................ 70

Changing System Logging Settings............................................................................................................................... 71

Conguring a UNIX Logging Facility Level.....................................................................................................................71

Synchronizing Log Messages......................................................................................................................................... 72

Enabling Timestamp on Syslog Messages.................................................................................................................... 73

File Transfer Services.......................................................................................................................................................73

Conguration Task List for File Transfer Services..................................................................................................73

Enabling the FTP Server........................................................................................................................................... 74

Conguring FTP Server Parameters........................................................................................................................74

Conguring FTP Client Parameters......................................................................................................................... 74

Terminal Lines................................................................................................................................................................... 75

Denying and Permitting Access to a Terminal Line................................................................................................75

Conguring Login Authentication for Terminal Lines.............................................................................................76

Setting Time Out of EXEC Privilege Mode...................................................................................................................76

Using Telnet to Access Another Network Device........................................................................................................ 77

Lock CONFIGURATION Mode....................................................................................................................................... 78

Viewing the Conguration Lock Status...................................................................................................................78

LPC Bus Quality Degradation......................................................................................................................................... 78

LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................79

Recovering from a Forgotten Password ......................................................................................................................80

4

Contents

Ignoring the Startup Conguration and Booting from the Factory-Default Conguration.....................................80

Recovering from a Failed Start....................................................................................................................................... 81

Restoring Factory-Default Settings................................................................................................................................81

Important Point to Remember.................................................................................................................................. 81

Restoring Factory-Default Boot Environment Variables....................................................................................... 82

Using Hashes to Verify Software Images Before Installation..................................................................................... 83

Verifying System Images on C9010 Components........................................................................................................84

When System Images on C9010 Components Do Not Match.............................................................................85

Manually Resetting the System Image on a C9010 Component......................................................................... 85

Logging in to the Virtual Console of a C9010 Component................................................................................... 86

Booting the C9010 from an Image on a Network Server..................................................................................... 86

Conguring C9010 Components to Boot from the RPM CP Image................................................................... 86

Viewing the Reason for Last System Reboot...............................................................................................................87

5 802.1X..........................................................................................................................................................88

The Port-Authentication Process.................................................................................................................................. 90

EAP over RADIUS.......................................................................................................................................................91

Conguring 802.1X...........................................................................................................................................................92

Related Conguration Tasks..................................................................................................................................... 92

Important Points to Remember......................................................................................................................................92

Enabling 802.1X................................................................................................................................................................ 93

Conguring dot1x Prole ................................................................................................................................................95

Conguring MAC addresses for a do1x Prole.............................................................................................................95

Conguring the Static MAB and MAB Prole .............................................................................................................96

Conguring Critical VLAN ..............................................................................................................................................97

Conguring Request Identity Re-Transmissions...........................................................................................................97

Conguring a Quiet Period after a Failed Authentication........................................................................................... 98

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 99

Re-Authenticating a Port.............................................................................................................................................. 100

Conguring Dynamic VLAN Assignment with Port Authentication.........................................................................100

Guest and Authentication-Fail VLANs..........................................................................................................................101

Conguring a Guest VLAN......................................................................................................................................102

Conguring an Authentication-Fail VLAN............................................................................................................. 103

Conguring Timeouts...............................................................................................................................................104

Multi-Host Authentication.............................................................................................................................................105

Conguring Multi-Host AuthenticationConguring Single-Host Authentication............................................. 106

Multi-Supplicant Authentication................................................................................................................................... 107

Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication.............................108

MAC Authentication Bypass.........................................................................................................................................109

MAB in Single-host and Multi-Host Mode............................................................................................................109

MAB in Multi-Supplicant Authentication Mode.....................................................................................................110

Conguring MAC Authentication Bypass...............................................................................................................110

Dynamic CoS with 802.1X...............................................................................................................................................111

6 Access Control Lists (ACLs)........................................................................................................................113

IP Access Control Lists (ACLs)......................................................................................................................................113

Contents

5

CAM Usage................................................................................................................................................................114

User-Congurable CAM Allocation......................................................................................................................... 115

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

Allocating CAM for Egress ACLs on the Port Extender....................................................................................... 117

Implementing ACLs on Dell EMC Networking OS.................................................................................................118

ACL Optimization to Increase Number of Supported IPv4 ACLs..............................................................................119

Restrictions for ACL Optimization.......................................................................................................................... 119

Optimizing ACL for More Number of IPv4 ACL Rules.........................................................................................120

IP Fragment Handling.................................................................................................................................................... 120

IP Fragments ACL Examples...................................................................................................................................120

Layer 4 ACL Rules Examples................................................................................................................................... 121

Congure a Standard IP ACL........................................................................................................................................ 122

Conguring a Standard IP ACL Filter..................................................................................................................... 123

Congure an Extended IP ACL..................................................................................................................................... 124

Conguring Filters with a Sequence Number....................................................................................................... 124

Conguring Filters Without a Sequence Number.................................................................................................125

Congure Layer 2 and Layer 3 ACLs............................................................................................................................126

Using ACL VLAN Groups...............................................................................................................................................126

Guidelines for Conguring ACL VLAN Groups......................................................................................................126

Conguring an ACL VLAN Group........................................................................................................................... 127

Allocating ACL VLAN CAM..................................................................................................................................... 128

Applying an IP ACL to an Interface.............................................................................................................................. 128

Applying Ingress ACLs on the Port Extender........................................................................................................129

Applying Egress ACLs.............................................................................................................................................. 130

Applying Layer 3 Egress ACLs on Control-Plane Trac......................................................................................130

Counting ACL Hits.....................................................................................................................................................131

IP Prex Lists................................................................................................................................................................... 131

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

Conguration Task List for Prex Lists.................................................................................................................. 132

ACL Resequencing......................................................................................................................................................... 135

Resequencing an ACL or Prex List.......................................................................................................................136

Route Maps..................................................................................................................................................................... 137

Implementation Information.....................................................................................................................................137

Important Points to Remember.....................................................................................................................................137

Conguration Task List for Route Maps................................................................................................................ 138

Conguring Match Routes......................................................................................................................................140

Conguring Set Conditions......................................................................................................................................141

Congure a Route Map for Route Redistribution.................................................................................................142

Congure a Route Map for Route Tagging............................................................................................................143

Continue Clause........................................................................................................................................................143

Conguring a UDF ACL................................................................................................................................................. 143

Hot-Lock Behavior......................................................................................................................................................... 145

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 146

How BFD Works............................................................................................................................................................. 146

BFD Packet Format..................................................................................................................................................147

6

Contents

BFD Sessions............................................................................................................................................................ 148

BFD Three-Way Handshake.................................................................................................................................... 149

Session State Changes.............................................................................................................................................151

Important Points to Remember..................................................................................................................................... 151

Congure BFD................................................................................................................................................................. 151

Congure BFD for Physical Ports...........................................................................................................................152

Congure BFD for Static Routes............................................................................................................................153

Congure BFD for IPv6 Static Routes...................................................................................................................156

Congure BFD for OSPF.........................................................................................................................................158

Congure BFD for OSPFv3.....................................................................................................................................162

Congure BFD for IS-IS...........................................................................................................................................165

Congure BFD for BGP........................................................................................................................................... 167

Congure BFD for VRRP.........................................................................................................................................173

Conguring Protocol Liveness................................................................................................................................ 176

8 Border Gateway Protocol IPv4 (BGPv4).....................................................................................................177

Autonomous Systems (AS)............................................................................................................................................177

Sessions and Peers.........................................................................................................................................................179

Establish a Session................................................................................................................................................... 179

Route Reectors.............................................................................................................................................................180

Communities.............................................................................................................................................................. 181

BGP Attributes................................................................................................................................................................ 181

Best Path Selection Criteria.....................................................................................................................................181

Weight........................................................................................................................................................................183

Local Preference.......................................................................................................................................................183

Multi-Exit Discriminators (MEDs)...........................................................................................................................184

Origin..........................................................................................................................................................................185

AS Path......................................................................................................................................................................185

Next Hop................................................................................................................................................................... 186

Multiprotocol BGP..........................................................................................................................................................186

Implement BGP ............................................................................................................................................................. 186

Additional Path (Add-Path) Support......................................................................................................................186

Advertise IGP Cost as MED for Redistributed Routes.........................................................................................187

Ignore Router-ID for Some Best-Path Calculations..............................................................................................187

Four-Byte AS Numbers............................................................................................................................................187

AS4 Number Representation.................................................................................................................................. 188

AS Number Migration.............................................................................................................................................. 189

BGP4 Management Information Base (MIB)........................................................................................................ 191

Important Points to Remember...............................................................................................................................191

Conguration Information..............................................................................................................................................192

BGP Conguration......................................................................................................................................................... 192

Enabling BGP............................................................................................................................................................ 193

Conguring AS4 Number Representations........................................................................................................... 196

Conguring Peer Groups......................................................................................................................................... 197

Conguring BGP Fast Fail-Over............................................................................................................................ 200

Conguring Passive Peering................................................................................................................................... 201

Contents

7

Maintaining Existing AS Numbers During an AS Migration................................................................................ 202

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 203

Enabling Neighbor Graceful Restart......................................................................................................................204

Filtering on an AS-Path Attribute.......................................................................................................................... 204

Regular Expressions as Filters................................................................................................................................206

Redistributing Routes.............................................................................................................................................. 207

Enabling Additional Paths....................................................................................................................................... 208

Conguring IP Community Lists............................................................................................................................ 208

Conguring an IP Extended Community List....................................................................................................... 209

Filtering Routes with Community Lists..................................................................................................................210

Manipulating the COMMUNITY Attribute..............................................................................................................211

Changing MED Attributes....................................................................................................................................... 212

Changing the LOCAL_PREFERENCE Attribute...................................................................................................212

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 213

Changing the WEIGHT Attribute............................................................................................................................214

Enabling Multipath....................................................................................................................................................214

Filtering BGP Routes................................................................................................................................................214

Filtering BGP Routes Using Route Maps...............................................................................................................216

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 216

Conguring BGP Route Reectors.........................................................................................................................217

Aggregating Routes..................................................................................................................................................218

Conguring BGP Confederations...........................................................................................................................218

Enabling Route Flap Dampening.............................................................................................................................219

Changing BGP Timers..............................................................................................................................................221

Enabling BGP Neighbor Soft-Reconguration......................................................................................................221

Enabling or disabling BGP neighbors.....................................................................................................................222

Route Map Continue............................................................................................................................................... 224

Enabling MBGP Congurations....................................................................................................................................224

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 225

BGP Regular Expression Optimization........................................................................................................................225

Debugging BGP............................................................................................................................................................. 225

Storing Last and Bad PDUs....................................................................................................................................226

Capturing PDUs....................................................................................................................................................... 227

PDU Counters.......................................................................................................................................................... 228

Sample Congurations.................................................................................................................................................. 228

9 Content Addressable Memory (CAM)........................................................................................................ 237

CAM Allocation...............................................................................................................................................................237

Test CAM Usage............................................................................................................................................................239

View CAM-ACL Settings.............................................................................................................................................. 239

View CAM Usage...........................................................................................................................................................240

Conguring CAM Threshold and Silence Period........................................................................................................240

Setting CAM Threshold and Silence Period.......................................................................................................... 241

Return to the Default CAM Conguration..................................................................................................................242

CAM Optimization......................................................................................................................................................... 242

Applications for CAM Proling..................................................................................................................................... 242

8

Contents

LAG HashingLAG Hashing Based on Bidirectional Flow..................................................................................... 242

Unied Forwarding Table (UFT) Modes......................................................................................................................243

Conguring UFT Modes..........................................................................................................................................243

10 Control Plane Policing (CoPP)................................................................................................................. 245

CoPP Implementation................................................................................................................................................... 245

Protocol-based Control Plane Policing..................................................................................................................245

Queue-based Control Plane Policing.....................................................................................................................245

CoPP Example................................................................................................................................................................247

Congure Control Plane Policing................................................................................................................................. 248

Conguring CoPP for Protocols............................................................................................................................ 248

Examples of Conguring CoPP for Protocols...................................................................................................... 249

Conguring CoPP for CPU Queues...................................................................................................................... 250

Examples of Conguring CoPP for CPU Queues.................................................................................................251

Displaying CoPP Conguration.............................................................................................................................. 252

Troubleshooting CoPP Operation................................................................................................................................ 255

Enabling CPU Trac Statistics.............................................................................................................................. 255

Viewing CPU Trac Statistics............................................................................................................................... 255

Troubleshooting CPU Packet Loss........................................................................................................................ 256

Viewing Per-Protocol CoPP Counters.................................................................................................................. 257

Viewing Per-Queue CoPP Counters..................................................................................................................... 260

11 Data Center Bridging (DCB)...................................................................................................................... 261

Enabling Data Center Bridging......................................................................................................................................261

Ethernet Enhancements in Data Center Bridging..................................................................................................... 262

Priority-Based Flow Control................................................................................................................................... 263

Enhanced Transmission Selection..........................................................................................................................264

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................265

Data Center Bridging in a Trac Flow.................................................................................................................. 265

QoS dot1p Trac Classication and Queue Assignment..........................................................................................266

SNMP Support for PFC and Buer Statistics Tracking............................................................................................266

DCB Maps and its Attributes........................................................................................................................................267

DCB Map: Conguration Procedure......................................................................................................................267

Important Points to Remember............................................................................................................................. 268

Applying a DCB Map on a Port.............................................................................................................................. 268

Conguring PFC without a DCB Map...................................................................................................................269

Conguring Lossless Queues................................................................................................................................. 269

Applying a DCB Map on a Line Card...................................................................................................................... 271

Data Center Bridging: Default Conguration...............................................................................................................271

Conguration Notes: PFC and ETS in a DCB Map....................................................................................................272

PFC Conguration Notes........................................................................................................................................272

ETS Conguration Notes........................................................................................................................................ 273

ETS Prerequisites and Restrictions........................................................................................................................273

Priority-Group Conguration Notes.......................................................................................................................274

Conguring Priority-Based Flow Control.................................................................................................................... 274

Conguring Lossless Queues..................................................................................................................................275

Contents

9

Conguring Enhanced Transmission Selection...........................................................................................................275

Creating an ETS Priority Group..............................................................................................................................276

ETS Operation with DCBx.......................................................................................................................................277

Congure a DCBx Operation........................................................................................................................................ 277

DCBx Operation........................................................................................................................................................277

DCBx Port Roles...................................................................................................................................................... 278

DCB Conguration Exchange.................................................................................................................................279

Conguration Source Election................................................................................................................................279

Propagation of DCB Information........................................................................................................................... 280

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 280

Behavior of Tagged Packets....................................................................................................................................281

Conguration Example for DSCP and PFC Priorities...........................................................................................281

DCBx Example..........................................................................................................................................................282

DCBx Prerequisites and Restrictions.....................................................................................................................283

Conguring DCBx....................................................................................................................................................283

Verifying the DCB Conguration................................................................................................................................. 286

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................296

PFC and ETS Conguration Examples........................................................................................................................296

Using PFC and ETS to Manage Data Center Trac................................................................................................. 297

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

Using PFC and ETS to Manage Converged Ethernet Trac.............................................................................298

Hierarchical Scheduling in ETS Output Policies................................................................................................... 299

Priority-Based Flow Control Using Dynamic Buer Method................................................................................... 299

Pause and Resume of Trac..................................................................................................................................299

Buer Sizes for Lossless or PFC Packets............................................................................................................ 300

Conguring the Dynamic Buer Method................................................................................................................... 300

12 Debugging and Diagnostics...................................................................................................................... 302

Oine Diagnostics.........................................................................................................................................................302

Running Port Extender Oine Diagnostics on the Switch.................................................................................302

Running Oine Diagnostics on a Standalone Switch......................................................................................... 309

TRACE Logs................................................................................................................................................................... 329

Auto Save on Reload, Crash, or Rollover..............................................................................................................330

Uploading Trace Logs.............................................................................................................................................. 330

Last Restart Reason......................................................................................................................................................330

show hardware Commands...........................................................................................................................................331

Environmental Monitoring.............................................................................................................................................333

Displaying Port Extender Environment Information ........................................................................................... 333

Display Power Supply Status..................................................................................................................................333

Display Fan Status................................................................................................................................................... 334

Display Transceiver Type......................................................................................................................................... 334

Recognize an Over-Temperature Condition..........................................................................................................336

Troubleshoot an Over-Temperature Condition......................................................................................................337

Troubleshooting Packet Loss........................................................................................................................................339

Displaying Drop Counters........................................................................................................................................339

Displaying Dataplane Statistics.............................................................................................................................. 340

10

Contents

Displaying Line-Card Counters...............................................................................................................................342

Accessing Application Core Dumps.............................................................................................................................342

Mini Core Dumps........................................................................................................................................................... 343

Full Kernel Core Dumps.................................................................................................................................................344

Enabling TCP Dumps.....................................................................................................................................................344

Accessing Port Extender Core and Mini Core Dumps.............................................................................................. 345

13 Dynamic Host Conguration Protocol (DHCP).........................................................................................346

DHCP Packet Format and Options............................................................................................................................. 346

Assign an IP Address using DHCP...............................................................................................................................348

Implementation Information..........................................................................................................................................349

Congure the System to be a DHCP Server..............................................................................................................349

Conguring the Server for Automatic Address Allocation..................................................................................350

Specifying a Default Gateway.................................................................................................................................351

Congure a Method of Hostname Resolution...................................................................................................... 351

Using DNS for Address Resolution.........................................................................................................................351

Using NetBIOS WINS for Address Resolution..................................................................................................... 352

Creating Manual Binding Entries............................................................................................................................352

Debugging the DHCP Server.................................................................................................................................352

Using DHCP Clear Commands.............................................................................................................................. 353

Congure the System to be a Relay Agent................................................................................................................ 353

Congure the System to be a DHCP Client...............................................................................................................355

DHCP Client on a Management Interface............................................................................................................355

DHCP Client Operation with Other Features.......................................................................................................355

Congure Secure DHCP...............................................................................................................................................356

Option 82..................................................................................................................................................................356

DHCP Snooping....................................................................................................................................................... 357

Drop DHCP Packets on Snooped VLANs Only....................................................................................................359

Dynamic ARP Inspection........................................................................................................................................ 360

Conguring Dynamic ARP Inspection....................................................................................................................361

Source Address Validation............................................................................................................................................ 362

Enabling IP Source Address Validation..................................................................................................................362

DHCP MAC Source Address Validation................................................................................................................ 363

Enabling IP+MAC Source Address Validation.......................................................................................................363

Viewing the Number of SAV Dropped Packets....................................................................................................364

Clearing the Number of SAV Dropped Packets...................................................................................................364

14 Equal Cost Multi-Path (ECMP)................................................................................................................ 365

ECMP for Flow-Based Anity.....................................................................................................................................365

Enabling Deterministic ECMP Next Hop.............................................................................................................. 365

Conguring the Hash Algorithm Seed.................................................................................................................. 365

Link Bundle Monitoring........................................................................................................................................... 366

Managing ECMP Group Paths.....................................................................................................................................366

Creating an ECMP Group Bundle................................................................................................................................ 367

Modifying the ECMP Group Threshold.......................................................................................................................367

BGP Multipath Operation with Link Bankwidth.........................................................................................................368

Contents

11

Dynamic Re-calculation of Link Bankwidth................................................................................................................ 369

Weighted ECMP for Static Routes..............................................................................................................................370

ECMP Support in L3 Host and LPM Tables............................................................................................................... 370

15 FCoE Transit............................................................................................................................................. 371

Fibre Channel over Ethernet......................................................................................................................................... 371

Ensure Robustness in a Converged Ethernet Network.............................................................................................371

FIP Snooping on Ethernet Bridges.............................................................................................................................. 373

FIP Snooping in a Switch Stack................................................................................................................................... 375

Using FIP Snooping....................................................................................................................................................... 375

FIP Snooping Prerequisites.....................................................................................................................................375

Important Points to Remember..............................................................................................................................375

Enabling the FCoE Transit Feature........................................................................................................................ 376

Enable FIP Snooping on VLANs............................................................................................................................. 376

Congure the FC-MAP Value.................................................................................................................................376

Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 377

Congure a Port for a Bridge-to-FCF Link........................................................................................................... 377

Impact on Other Software Features......................................................................................................................377

FIP Snooping Restrictions.......................................................................................................................................377

Conguring FIP Snooping............................................................................................................................................. 378

Displaying FIP Snooping Information........................................................................................................................... 379

FCoE Transit Conguration Example...........................................................................................................................384

16 FIPS Cryptography...................................................................................................................................386

Conguration Tasks....................................................................................................................................................... 386

Preparing the System....................................................................................................................................................386

Enabling FIPS Mode...................................................................................................................................................... 387

Generating Host-Keys................................................................................................................................................... 387

Monitoring FIPS Mode Status......................................................................................................................................387

Disabling FIPS Mode..................................................................................................................................................... 388

17 Flex Hash and Optimized Boot-Up............................................................................................................389

Flex Hash Capability Overview.................................................................................................................................... 389

Conguring the Flex Hash Mechanism.......................................................................................................................389

LACP Fast Switchover..................................................................................................................................................390

Conguring LACP Fast Switchover............................................................................................................................ 390

LACP............................................................................................................................................................................... 390

LACP Fast Switchover............................................................................................................................................390

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 390

Sample Congurations.................................................................................................................................................. 392

................................................................................................................................................................................... 392

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................395

18 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 396

Protocol Overview.........................................................................................................................................................396

Ring Status............................................................................................................................................................... 397

12

Contents

Multiple FRRP Rings................................................................................................................................................397

Important FRRP Points...........................................................................................................................................398

Implementing FRRP.................................................................................................................................................398

Important FRRP Concepts.....................................................................................................................................399

FRRP Conguration...................................................................................................................................................... 400

Creating the FRRP Group...................................................................................................................................... 400

Conguring the Control VLAN...............................................................................................................................400

Conguring and Adding the Member VLANs....................................................................................................... 401

Setting the FRRP Timers........................................................................................................................................402

Clearing the FRRP Counters..................................................................................................................................403

Viewing the FRRP Conguration...........................................................................................................................403

Viewing the FRRP Information...............................................................................................................................403

Troubleshooting FRRP.................................................................................................................................................. 403

Conguration Checks..............................................................................................................................................403

Sample Conguration and Topology............................................................................................................................404

FRRP Support on VLT.................................................................................................................................................. 405

Example Scenario.................................................................................................................................................... 406

Important Points to Remember..............................................................................................................................407

19 GARP VLAN Registration Protocol (GVRP)..............................................................................................408

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

Congure GVRP............................................................................................................................................................ 409

Related Conguration Tasks...................................................................................................................................409

Enabling GVRP Globally.................................................................................................................................................410

Enabling GVRP on a Layer 2 Interface.........................................................................................................................410

Congure GVRP Registration....................................................................................................................................... 410

Congure a GARP Timer................................................................................................................................................411

20 High Availability (HA)............................................................................................................................... 412

High Availability on Chassis........................................................................................................................................... 412

High Availability in a PE Stack.......................................................................................................................................412

Online Insertion and Removal........................................................................................................................................413

RPM Online Insertion............................................................................................................................................... 413

Line Card Online Insertion........................................................................................................................................413

Pre-conguring a Slot for a Line-Card Type..........................................................................................................413

Replacing a Line Card...............................................................................................................................................414

Hitless Behavior.............................................................................................................................................................. 414

Graceful Restart............................................................................................................................................................. 415

Software Resiliency........................................................................................................................................................415

System Health Monitoring.......................................................................................................................................415

Failure and Event Logging....................................................................................................................................... 415

Trace Log...................................................................................................................................................................415

Core Dumps.............................................................................................................................................................. 416

System Log................................................................................................................................................................416

Control Plane Redundancy............................................................................................................................................416

Control-Plane Failover............................................................................................................................................. 416

Contents

13

RPM Synchronization...............................................................................................................................................417

Forcing an RPM Failover..........................................................................................................................................417

Specifying an Auto-Failover Limit...........................................................................................................................418

Disabling Auto-Reboot............................................................................................................................................. 418

21 Internet Group Management Protocol (IGMP).......................................................................................... 419

IGMP Implementation Information............................................................................................................................... 419

IGMP Protocol Overview...............................................................................................................................................419

IGMP Version 2.........................................................................................................................................................419

IGMP Version 3.........................................................................................................................................................421

Congure IGMP............................................................................................................................................................. 424

Related Conguration Tasks................................................................................................................................... 424

Viewing IGMP Enabled Interfaces............................................................................................................................... 425

Selecting an IGMP Version........................................................................................................................................... 425

Viewing IGMP Groups...................................................................................................................................................425

Enabling IGMP Immediate-Leave.................................................................................................................................426

IGMP Snooping..............................................................................................................................................................426

IGMP Snooping Implementation Information....................................................................................................... 426

Conguring IGMP Snooping...................................................................................................................................426

Removing a Group-Port Association..................................................................................................................... 427

Disabling Multicast Flooding...................................................................................................................................428

Specifying a Port as Connected to a Multicast Router...................................................................................... 428

Conguring the Switch as Querier........................................................................................................................ 428

Fast Convergence after MSTP Topology Changes...................................................................................................429

Designating a Multicast Router Interface................................................................................................................... 429

22 Interfaces................................................................................................................................................ 430

Basic Interface Conguration.......................................................................................................................................430

Advanced Interface Conguration...............................................................................................................................430

Port Numbering.............................................................................................................................................................. 431

Interface Types...............................................................................................................................................................434

View Basic Interface Information.................................................................................................................................434

Resetting an Interface to its Factory Default State...................................................................................................440

Enabling a Physical Interface.........................................................................................................................................441

Physical Interfaces..........................................................................................................................................................441

Port Pipes..................................................................................................................................................................441

Setting the Speed of Ethernet Interfaces............................................................................................................. 441

Conguration Task List for Physical Interfaces.................................................................................................... 442

Overview of Layer Modes.......................................................................................................................................442

Conguring Layer 2 (Data Link) Mode..................................................................................................................443

Conguring Layer 2 (Interface) Mode...................................................................................................................443

Conguring Layer 3 (Network) Mode...................................................................................................................444

Conguring Layer 3 (Interface) Mode...................................................................................................................444

Egress Interface Selection (EIS)..................................................................................................................................445

Important Points to Remember............................................................................................................................. 445

Conguring EIS........................................................................................................................................................ 445

14

Contents

Management Interfaces................................................................................................................................................446

Conguring a Dedicated Management Interface ................................................................................................446

Conguring a Management Interface on an Ethernet Port................................................................................447

Port Extender Interfaces.............................................................................................................................................. 448

VLAN Interfaces.............................................................................................................................................................448

Loopback Interfaces...................................................................................................................................................... 449

Null Interfaces................................................................................................................................................................ 450

Port Channel Interfaces................................................................................................................................................450

Port Channel Denition and Standards.................................................................................................................450

Port Channel Benets.............................................................................................................................................450

Port Channel Implementation................................................................................................................................ 450

10/40 Gbps Interfaces in Port Channels................................................................................................................451

Conguration Tasks for Port Channel Interfaces..................................................................................................451

Creating a Port Channel.......................................................................................................................................... 451

Adding a Physical Interface to a Port Channel.....................................................................................................452

Reassigning an Interface to a New Port Channel................................................................................................454

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 454

Adding or Removing a Port Channel from a VLAN............................................................................................. 455

Assigning an IP Address to a Port Channel.......................................................................................................... 455

Deleting or Disabling a Port Channel.....................................................................................................................456

Load Balancing Through Port Channels............................................................................................................... 456

Changing the Hash Algorithm................................................................................................................................456

Bulk Conguration......................................................................................................................................................... 457

Interface Range........................................................................................................................................................457

Bulk Conguration Examples..................................................................................................................................457

Dening Interface Range Macros................................................................................................................................ 459

Dene the Interface Range.................................................................................................................................... 459

Choosing an Interface-Range Macro.................................................................................................................... 459

Monitoring and Maintaining Interfaces....................................................................................................................... 460

Maintenance Using TDR..........................................................................................................................................461

Displaying Trac Statistics on HiGig Ports................................................................................................................. 461

Link Bundle Monitoring................................................................................................................................................. 462

Monitoring HiGig Link Bundles.....................................................................................................................................462

Guidelines for Monitoring HiGig Link-Bundles .....................................................................................................463

Enabling HiGig Link-Bundle Monitoring.................................................................................................................464

Non Dell-Qualied Transceivers................................................................................................................................... 464

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 465

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port............................................................................465

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................467

Link Dampening..............................................................................................................................................................467

Important Points to Remember..............................................................................................................................467

Enabling Link Dampening........................................................................................................................................ 467

Using Ethernet Pause Frames for Flow Control........................................................................................................ 469

Threshold Settings...................................................................................................................................................470

Enabling Pause Frames........................................................................................................................................... 470

Contents

15

Congure the MTU Size on an Interface.....................................................................................................................471

Auto-Negotiation on Ethernet Interfaces....................................................................................................................471

Set Auto-Negotiation Options................................................................................................................................472

Provisioning Combo Ports............................................................................................................................................ 472

View Advanced Interface Information.........................................................................................................................473

Conguring the Interface Sampling Size...............................................................................................................474

Conguring the Trac Sampling Size Globally...........................................................................................................475

Dynamic Counters..........................................................................................................................................................476

Clearing Interface Counters....................................................................................................................................477

23 Internet Protocol Security (IPSec)...........................................................................................................478

Conguring IPSec .........................................................................................................................................................478

24 IPv4 Routing............................................................................................................................................ 480

IP Addresses...................................................................................................................................................................480

Implementation Information....................................................................................................................................480

Conguration Tasks for IP Addresses.......................................................................................................................... 481

Assigning IP Addresses to an Interface........................................................................................................................481

Conguring Static Routes.............................................................................................................................................482

Congure Static Routes for the Management Interface.......................................................................................... 483

Enabling Directed Broadcast........................................................................................................................................ 483

Resolution of Host Names............................................................................................................................................484

Enabling Dynamic Resolution of Host Names............................................................................................................484

Specifying the Local System Domain and a List of Domains................................................................................... 484

Conguring DNS with Traceroute............................................................................................................................... 485

ARP................................................................................................................................................................................. 486

Conguration Tasks for ARP.................................................................................................................................. 486

Conguring Static ARP Entries..............................................................................................................................486

Conguring ARP Inspection Trust..........................................................................................................................487

Conguring ARP Timeout....................................................................................................................................... 487

Enabling Proxy ARP.................................................................................................................................................488

Clearing ARP Cache................................................................................................................................................488

ARP Learning via Gratuitous ARP..........................................................................................................................488

Enabling ARP Learning via Gratuitous ARP..........................................................................................................489

ARP Learning via ARP Request............................................................................................................................. 489

Conguring ARP Retries.........................................................................................................................................490

ICMP............................................................................................................................................................................... 490

Conguration Tasks for ICMP................................................................................................................................490

Enabling ICMP Unreachable Messages................................................................................................................ 490

25 IPv6 Routing............................................................................................................................................492

Protocol Overview......................................................................................................................................................... 492

Extended Address Space........................................................................................................................................493

Stateless Autoconguration................................................................................................................................... 493

IPv6 Headers............................................................................................................................................................493

IPv6 Header Fields...................................................................................................................................................494

16

Contents

Extension Header Fields......................................................................................................................................... 496

IPv6 Addressing....................................................................................................................................................... 497

IPv6 Implementation on the Dell Networking OS......................................................................................................498

Conguring the LPM Table for IPv6 Extended Prexes...........................................................................................499

ICMPv6...........................................................................................................................................................................499

Path MTU Discovery.....................................................................................................................................................500

IPv6 Neighbor Discovery..............................................................................................................................................500

IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 501

Conguring the IPv6 Recursive DNS Server........................................................................................................501

Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................503

Conguration Tasks for IPv6........................................................................................................................................503

Adjusting Your CAM Prole.................................................................................................................................... 503

Assigning an IPv6 Address to an Interface...........................................................................................................504

Assigning a Static IPv6 Route................................................................................................................................505

Conguring Telnet with IPv6..................................................................................................................................505

SNMP over IPv6......................................................................................................................................................505

Displaying IPv6 Information....................................................................................................................................506

Displaying an IPv6 Conguration...........................................................................................................................506

Displaying IPv6 Routes............................................................................................................................................507

Displaying the Running Conguration for an Interface....................................................................................... 508

Clearing IPv6 Routes...............................................................................................................................................509

Disabling ND Entry Timeout...................................................................................................................................509

Conguring IPv6 RA Guard..........................................................................................................................................509

Conguring IPv6 RA Guard on an Interface...........................................................................................................511

Monitoring IPv6 RA Guard...................................................................................................................................... 512

26 Intermediate System to Intermediate System........................................................................................... 513

IS-IS Protocol Overview................................................................................................................................................ 513

IS-IS Addressing..............................................................................................................................................................513

Multi-Topology IS-IS....................................................................................................................................................... 514

Transition Mode........................................................................................................................................................ 514

Interface Support..................................................................................................................................................... 515

Adjacencies............................................................................................................................................................... 515

Graceful Restart............................................................................................................................................................. 515

Timers........................................................................................................................................................................ 515

Implementation Information.......................................................................................................................................... 515

Conguration Information..............................................................................................................................................516

Conguration Tasks for IS-IS...................................................................................................................................517

Conguring the Distance of a Route.....................................................................................................................524

Changing the IS-Type.............................................................................................................................................. 525

Redistributing IPv4 Routes..................................................................................................................................... 527

Redistributing IPv6 Routes.....................................................................................................................................528

Conguring Authentication Passwords.................................................................................................................529

Setting the Overload Bit......................................................................................................................................... 529

Debugging IS-IS.......................................................................................................................................................530

IS-IS Metric Styles..........................................................................................................................................................531

Contents

17

Congure Metric Values................................................................................................................................................ 531

Maximum Values in the Routing Table.................................................................................................................. 532

Change the IS-IS Metric Style in One Level Only................................................................................................532

Leaks from One Level to Another..........................................................................................................................533

Sample Congurations.................................................................................................................................................. 534

27 iSCSI Optimization................................................................................................................................... 537

iSCSI Optimization Overview....................................................................................................................................... 537

Default iSCSI Optimization Values...............................................................................................................................539

iSCSI Optimization Prerequisites................................................................................................................................. 540

Conguring iSCSI Optimization................................................................................................................................... 540

Displaying iSCSI Optimization Information................................................................................................................. 542

Enable and Disable iSCSI Optimization....................................................................................................................... 543

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.......................................................................544

Monitoring iSCSI Trac Flows.....................................................................................................................................544

Information Monitored in iSCSI Trac Flows.............................................................................................................544

Detection and Auto-Conguration for Dell EqualLogic Arrays.................................................................................545

Conguring Detection and Ports for Dell Compellent Arrays...................................................................................545

Application of Quality of Service to iSCSI Trac Flows........................................................................................... 546

28 Link Aggregation Control Protocol (LACP).............................................................................................. 547

Introduction to Dynamic LAGs and LACP...................................................................................................................547

Important Points to Remember..............................................................................................................................547

LACP Modes............................................................................................................................................................ 548

Conguring LACP Commands...............................................................................................................................548

LACP Conguration Tasks............................................................................................................................................549

Creating a LAG.........................................................................................................................................................549

Conguring the LAG Interfaces as Dynamic........................................................................................................549

Setting the LACP Long Timeout........................................................................................................................... 550

Monitoring and Debugging LACP..........................................................................................................................550

Shared LAG State Tracking...........................................................................................................................................551

Conguring Shared LAG State Tracking................................................................................................................551

Important Points about Shared LAG State Tracking...........................................................................................553

LACP Basic Conguration Example............................................................................................................................ 553

Congure a LAG on ALPHA................................................................................................................................... 553

29 Layer 2..................................................................................................................................................... 561

Manage the MAC Address Table..................................................................................................................................561

Clearing the MAC Address Table............................................................................................................................561

Setting the Aging Time for Dynamic Entries.........................................................................................................561

Conguring a Static MAC Address........................................................................................................................562

Displaying the MAC Address Table........................................................................................................................562

MAC Learning Limit.......................................................................................................................................................562

Setting the MAC Learning Limit............................................................................................................................ 563

mac learning-limit Dynamic.................................................................................................................................... 563

mac learning-limit mac-address-sticky................................................................................................................. 563

18

Contents

mac learning-limit station-move............................................................................................................................ 564

mac learning-limit no-station-move...................................................................................................................... 564

Learning Limit Violation Actions.............................................................................................................................564

Setting Station Move Violation Actions................................................................................................................ 564

Recovering from Learning Limit and Station Move Violations...........................................................................565

Disabling MAC Address Learning on the System................................................................................................ 565

NIC Teaming...................................................................................................................................................................566

Congure Redundant Pairs...........................................................................................................................................567

Important Points about Conguring Redundant Pairs........................................................................................569

Far-End Failure Detection............................................................................................................................................. 570

FEFD State Changes................................................................................................................................................571

Conguring FEFD.....................................................................................................................................................572

Enabling FEFD on an Interface...............................................................................................................................572

Debugging FEFD......................................................................................................................................................573

30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 575

802.1AB (LLDP) Overview............................................................................................................................................575

Protocol Data Units................................................................................................................................................. 575

Optional TLVs................................................................................................................................................................. 576

Management TLVs...................................................................................................................................................576

TIA-1057 (LLDP-MED) Overview.................................................................................................................................578

TIA Organizationally Specic TLVs........................................................................................................................ 578

Congure LLDP..............................................................................................................................................................582

Related Conguration Tasks...................................................................................................................................582

Important Points to Remember............................................................................................................................. 582

LLDP Compatibility..................................................................................................................................................583

CONFIGURATION versus INTERFACE Congurations............................................................................................ 583

Enabling LLDP................................................................................................................................................................584

Disabling and Undoing LLDP.................................................................................................................................. 584

Enabling LLDP on Management Ports........................................................................................................................584

Disabling and Undoing LLDP on Management Ports.......................................................................................... 584

Advertising TLVs............................................................................................................................................................585

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................586

Reserved Unrecognized LLDP TLVs..................................................................................................................... 586

Organizational Specic Unrecognized LLDP TLVs..............................................................................................586

Viewing Unrecognized LLDP TLVs........................................................................................................................ 587

Viewing the LLDP Conguration..................................................................................................................................587

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................587

Examples of Viewing Information Advertised by Neighbors.............................................................................. 588

Conguring LLDPDU Intervals.....................................................................................................................................589

Conguring LLDP Notication Interval.......................................................................................................................590

Conguring Transmit and Receive Mode................................................................................................................... 590

Conguring a Time to Live............................................................................................................................................ 591

Debugging LLDP............................................................................................................................................................592

Relevant Management Objects................................................................................................................................... 593

Contents

19

31 Multicast Source Discovery Protocol (MSDP)..........................................................................................598

Protocol Overview.........................................................................................................................................................598

Anycast RP.....................................................................................................................................................................599

Implementation Information......................................................................................................................................... 600

Congure Multicast Source Discovery Protocol........................................................................................................600

Related Conguration Tasks...................................................................................................................................600

Enable MSDP.................................................................................................................................................................604

Manage the Source-Active Cache..............................................................................................................................605

Viewing the Source-Active Cache........................................................................................................................ 605

Limiting the Source-Active Cache.........................................................................................................................605

Clearing the Source-Active Cache........................................................................................................................606

Enabling the Rejected Source-Active Cache.......................................................................................................606

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 606

Specifying Source-Active Messages........................................................................................................................... 610

Limiting the Source-Active Messages from a Peer.................................................................................................... 611

Preventing MSDP from Caching a Local Source........................................................................................................ 611

Preventing MSDP from Caching a Remote Source...................................................................................................612

Preventing MSDP from Advertising a Local Source.................................................................................................. 612

Logging Changes in Peership States............................................................................................................................613

Terminating a Peership...................................................................................................................................................613

Clearing Peer Statistics..................................................................................................................................................614

Debugging MSDP...........................................................................................................................................................614

MSDP with Anycast RP................................................................................................................................................ 615

Conguring Anycast RP................................................................................................................................................ 616

Reducing Source-Active Message Flooding..........................................................................................................617

Specifying the RP Address Used in SA Messages............................................................................................... 617

MSDP Sample Congurations...................................................................................................................................... 619

32 Multiple Spanning Tree Protocol (MSTP).................................................................................................624

Protocol Overview......................................................................................................................................................... 624

Spanning Tree Variations.............................................................................................................................................. 625

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

Congure Multiple Spanning Tree Protocol................................................................................................................625

Related Conguration Tasks...................................................................................................................................625

Enable Multiple Spanning Tree Globally...................................................................................................................... 626

Adding and Removing Interfaces.................................................................................................................................626

Creating Multiple Spanning Tree Instances................................................................................................................ 626

Inuencing MSTP Root Selection................................................................................................................................627

Interoperate with Non-Dell Bridges.............................................................................................................................628

Changing the Region Name or Revision..................................................................................................................... 628

Modifying Global Parameters....................................................................................................................................... 629

Modifying the Interface Parameters........................................................................................................................... 630

Conguring an EdgePort............................................................................................................................................... 631

Flush MAC Addresses after a Topology Change....................................................................................................... 632

MSTP Sample Congurations......................................................................................................................................632

20

Contents

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