Dell PowerSwitch S6000 Owner's manual

Dell Conguration Guide for the S6000 System

9.14.1.0

Notes, cautions, and warnings

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

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

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

may be trademarks of their respective owners.

2018 - 11

Rev. A00

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Example of the grep Keyword.................................................................................................................................. 45

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

Conguring alias command.............................................................................................................................................46

Viewing alias conguration........................................................................................................................................47

3 Getting Started............................................................................................................................................49

Console Access................................................................................................................................................................50

Serial Console.............................................................................................................................................................50

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

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

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

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

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

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

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

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

Conguration File Management.....................................................................................................................................54

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

Mounting an NFS File System..................................................................................................................................55

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

Congure the Overload Bit for a Startup Scenario................................................................................................57

Viewing Files............................................................................................................................................................... 57

Managing the File System.............................................................................................................................................. 58

View Command History.................................................................................................................................................. 58

Upgrading Dell EMC Networking OS............................................................................................................................ 59

Using HTTP for File Transfers........................................................................................................................................ 59

Verify Software Images Before Installation...................................................................................................................59

Contents

3

4 Management................................................................................................................................................ 61

Conguring Privilege Levels............................................................................................................................................ 61

Creating a Custom Privilege Level...........................................................................................................................62

Removing a Command from EXEC Mode.............................................................................................................. 62

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................62

Allowing Access to CONFIGURATION Mode Commands....................................................................................62

Allowing Access to Dierent Modes........................................................................................................................62

Applying a Privilege Level to a Username............................................................................................................... 64

Applying a Privilege Level to a Terminal Line.......................................................................................................... 64

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

Audit and Security Logs............................................................................................................................................65

Conguring Logging Format ...................................................................................................................................67

Setting Up a Secure Connection to a Syslog Server.............................................................................................67

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

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

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

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

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

Track Login Activity......................................................................................................................................................... 69

Restrictions for Tracking Login Activity.................................................................................................................. 69

Conguring Login Activity Tracking.........................................................................................................................69

Display Login Statistics..............................................................................................................................................70

Limit Concurrent Login Sessions.....................................................................................................................................71

Restrictions for Limiting the Number of Concurrent Sessions............................................................................. 71

Conguring Concurrent Session Limit.....................................................................................................................72

Enabling the System to Clear Existing Sessions.................................................................................................... 72

Enabling Secured CLI Mode............................................................................................................................................73

Changing System Logging Settings...............................................................................................................................73

Display the Logging Buer and the Logging Conguration........................................................................................ 74

Conguring a UNIX Logging Facility Level.................................................................................................................... 74

Synchronizing Log Messages......................................................................................................................................... 76

Enabling Timestamp on Syslog Messages.................................................................................................................... 76

File Transfer Services.......................................................................................................................................................77

Conguration Task List for File Transfer Services.................................................................................................. 77

Enabling the FTP Server........................................................................................................................................... 77

Conguring FTP Server Parameters........................................................................................................................77

Conguring FTP Client Parameters......................................................................................................................... 78

Terminal Lines................................................................................................................................................................... 78

Denying and Permitting Access to a Terminal Line................................................................................................79

Conguring Login Authentication for Terminal Lines.............................................................................................80

Setting Timeout for EXEC Privilege Mode....................................................................................................................81

Using Telnet to get to Another Network Device...........................................................................................................81

Lock CONFIGURATION Mode....................................................................................................................................... 82

Viewing the Conguration Lock Status...................................................................................................................82

Recovering from a Forgotten Password on the S6000.............................................................................................. 82

4

Contents

Recovering from a Forgotten Enable Password...........................................................................................................83

Recovering from a Failed Start on the S6000............................................................................................................. 83

Restoring the Factory Default Settings.........................................................................................................................84

Important Points to Remember................................................................................................................................84

Restoring Factory Default Environment Variables................................................................................................. 85

Viewing the Reason for Last System Reboot.............................................................................................................. 86

Disabling Syslog Messages for SNMP Authentication Failure Events...................................................................... 86

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

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

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

Conguring 802.1X...........................................................................................................................................................90

Related Conguration Tasks..................................................................................................................................... 90

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

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

Conguring dot1x Prole ................................................................................................................................................92

Conguring MAC addresses for a do1x Prole.............................................................................................................93

Conguring the Static MAB and MAB Prole .............................................................................................................93

Conguring Critical VLAN ..............................................................................................................................................94

Conguring Request Identity Re-Transmissions...........................................................................................................95

Conguring a Quiet Period after a Failed Authentication..................................................................................... 95

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 96

Re-Authenticating a Port................................................................................................................................................ 97

Conguring Timeouts......................................................................................................................................................98

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

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

Conguring a Guest VLAN......................................................................................................................................100

Conguring an Authentication-Fail VLAN............................................................................................................. 100

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 102

Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 102

Guidelines for Conguring ACL VLAN Groups........................................................................................................... 103

Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................103

Conguring ACL VLAN Groups.............................................................................................................................. 103

Conguring FP Blocks for VLAN Parameters.......................................................................................................104

Viewing CAM Usage...................................................................................................................................................... 105

Allocating FP Blocks for VLAN Processes.................................................................................................................. 106

7 Access Control Lists (ACLs)....................................................................................................................... 108

IP Access Control Lists (ACLs).....................................................................................................................................109

CAM Usage................................................................................................................................................................110

Implementing ACLs on Dell EMC Networking OS................................................................................................ 110

Important Points to Remember.....................................................................................................................................112

Conguration Task List for Route Maps.................................................................................................................112

Conguring Match Routes.......................................................................................................................................114

Conguring Set Conditions......................................................................................................................................116

Contents

5

Congure a Route Map for Route Redistribution..................................................................................................117

Congure a Route Map for Route Tagging............................................................................................................ 117

Continue Clause........................................................................................................................................................ 118

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

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

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

Congure a Standard IP ACL.........................................................................................................................................119

Conguring a Standard IP ACL Filter..................................................................................................................... 120

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

Conguring Filters with a Sequence Number........................................................................................................121

Conguring Filters Without a Sequence Number.................................................................................................124

Congure Layer 2 and Layer 3 ACLs............................................................................................................................125

Assign an IP ACL to an Interface..................................................................................................................................125

Applying an IP ACL.........................................................................................................................................................126

Counting ACL Hits....................................................................................................................................................126

Congure Ingress ACLs..................................................................................................................................................127

Congure Egress ACLs.................................................................................................................................................. 127

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 128

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

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

Conguration Task List for Prex Lists.................................................................................................................. 129

ACL Remarks.................................................................................................................................................................. 133

Conguring a Remark.............................................................................................................................................. 133

Deleting a Remark.................................................................................................................................................... 134

ACL Resequencing......................................................................................................................................................... 134

Resequencing an ACL or Prex List.......................................................................................................................135

Route Maps.....................................................................................................................................................................136

Implementation Information.................................................................................................................................... 136

Conguring UDF ACL.................................................................................................................................................... 136

Conguring IP Mirror Access Group............................................................................................................................ 139

Sample Conguration...............................................................................................................................................139

Example of viewing IP mirror–access–group applied to an Interface................................................................140

8 Bidirectional Forwarding Detection (BFD)................................................................................................... 141

How BFD Works.............................................................................................................................................................. 141

BFD Packet Format..................................................................................................................................................142

BFD Sessions............................................................................................................................................................ 143

BFD Three-Way Handshake.................................................................................................................................... 144

Session State Changes............................................................................................................................................146

Important Points to Remember.................................................................................................................................... 146

Congure BFD................................................................................................................................................................ 146

Congure BFD for Physical Ports...........................................................................................................................147

Congure BFD for Static Routes............................................................................................................................148

Congure BFD for IPv6 Static Routes...................................................................................................................152

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

Congure BFD for OSPFv3.....................................................................................................................................158

6

Contents

Congure BFD for IS-IS............................................................................................................................................161

Congure BFD for BGP........................................................................................................................................... 163

Congure BFD for VRRP..........................................................................................................................................171

Conguring Protocol Liveness................................................................................................................................ 173

9 Border Gateway Protocol (BGP).................................................................................................................174

BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 174

BGP Autonomous Systems...........................................................................................................................................175

AS4 Number Representation.................................................................................................................................. 176

Four-Byte AS Numbers............................................................................................................................................178

Multiprotocol BGP.......................................................................................................................................................... 178

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

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

BGP global and address family conguration..............................................................................................................180

BGP global conguration default values................................................................................................................180

BGP Attributes for selecting Best Path........................................................................................................................181

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

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

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

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

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

AS Path......................................................................................................................................................................186

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

Implement BGP with Dell EMC Networking OS......................................................................................................... 187

Additional Path (Add-Path) Support...................................................................................................................... 187

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

Ignore Router-ID in Best-Path Calculation............................................................................................................ 188

AS Number Migration.............................................................................................................................................. 188

BGP4 Management Information Base (MIB)........................................................................................................189

Important Points to Remember.............................................................................................................................. 189

Conguration Information............................................................................................................................................. 190

Basic BGP conguration tasks..................................................................................................................................... 190

Enabling BGP............................................................................................................................................................ 190

Conguring a BGP peer...........................................................................................................................................193

Conguring AS4 Number Representations........................................................................................................... 194

Conguring a BGP VRF address family.................................................................................................................195

Route-refresh and Soft-reconguration................................................................................................................ 197

Aggregating Routes.................................................................................................................................................200

Filtering BGP Routes...............................................................................................................................................200

Filtering BGP Routes Using Route Maps..............................................................................................................200

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 201

Conguring Peer Groups........................................................................................................................................ 202

Conguring BGP Fast Fall-Over.............................................................................................................................210

Conguring Passive Peering.................................................................................................................................... 211

Maintaining Existing AS Numbers During an AS Migration................................................................................. 212

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 213

Contents

7

Enabling Graceful Restart........................................................................................................................................214

Filtering on an AS-Path Attribute........................................................................................................................... 215

Regular Expressions as Filters.................................................................................................................................216

Redistributing Routes...............................................................................................................................................217

Enabling Additional Paths........................................................................................................................................ 218

Conguring IP Community Lists............................................................................................................................. 219

Conguring an IP Extended Community List....................................................................................................... 220

Filtering Routes with Community Lists.................................................................................................................. 221

Manipulating the COMMUNITY Attribute............................................................................................................ 222

Changing MED Attributes.......................................................................................................................................224

Changing the LOCAL_PREFERENCE Attribute..................................................................................................224

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 225

Changing the WEIGHT Attribute...........................................................................................................................225

Enabling Multipath...................................................................................................................................................226

Route Reectors......................................................................................................................................................226

Conguring BGP Confederations.......................................................................................................................... 228

Enabling Route Flap Dampening............................................................................................................................ 228

Changing BGP keepalive and hold timers.............................................................................................................230

Setting the extended timer..................................................................................................................................... 231

Enabling or disabling BGP neighbors.....................................................................................................................232

Route Map Continue............................................................................................................................................... 233

Enabling MBGP Congurations....................................................................................................................................234

MBGP support for IPv6................................................................................................................................................234

Conguring IPv6 MBGP between peers.....................................................................................................................234

Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 235

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor................................................237

BGP Regular Expression Optimization........................................................................................................................239

Debugging BGP............................................................................................................................................................. 239

Storing Last and Bad PDUs....................................................................................................................................240

Capturing PDUs........................................................................................................................................................241

PDU Counters.......................................................................................................................................................... 242

10 Content Addressable Memory (CAM).......................................................................................................243

CAM Allocation...............................................................................................................................................................243

Test CAM Usage............................................................................................................................................................245

View CAM Proles.........................................................................................................................................................245

View CAM-ACL Settings.............................................................................................................................................. 246

View CAM Usage........................................................................................................................................................... 247

Conguring CAM Threshold and Silence Period........................................................................................................248

Setting CAM Threshold and Silence Period......................................................................................................... 248

CAM Optimization......................................................................................................................................................... 249

Troubleshoot CAM Proling..........................................................................................................................................249

QoS CAM Region Limitation...................................................................................................................................249

Syslog Error When the Table is Full....................................................................................................................... 250

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................250

Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................250

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Contents

Unied Forwarding Table (UFT) Modes..................................................................................................................... 250

Conguring UFT Modes......................................................................................................................................... 250

11 Control Plane Policing (CoPP).................................................................................................................. 252

Congure Control Plane Policing................................................................................................................................. 253

Conguring CoPP for Protocols............................................................................................................................ 254

Conguring CoPP for CPU Queues...................................................................................................................... 256

Protocol to CPU Queue Mapping.......................................................................................................................... 257

Conguring Protocol to CPU Queue Mapping.....................................................................................................257

Displaying CoPP Conguration .............................................................................................................................258

12 Data Center Bridging (DCB).....................................................................................................................260

Ethernet Enhancements in Data Center Bridging..................................................................................................... 260

Priority-Based Flow Control....................................................................................................................................261

Enhanced Transmission Selection..........................................................................................................................262

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................263

Data Center Bridging in a Trac Flow...................................................................................................................264

Enabling Data Center Bridging.....................................................................................................................................264

DCB Maps and its Attributes................................................................................................................................. 265

Data Center Bridging: Default Conguration..............................................................................................................266

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

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

Conguring PFC in a DCB Map................................................................................................................................... 269

PFC Conguration Notes....................................................................................................................................... 269

PFC Prerequisites and Restrictions....................................................................................................................... 270

Conguring PFC without a DCB Map.........................................................................................................................270

Conguring Lossless QueuesExample:..................................................................................................................270

Priority-Based Flow Control Using Dynamic Buer Method..............................................................................272

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

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

SNMP Support for PFC and Buer Statistics Tracking............................................................................................ 274

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................275

PFC and ETS Conguration Examples........................................................................................................................275

Using PFC to Manage Converged Ethernet Trac...................................................................................................275

Operations on Untagged Packets................................................................................................................................ 276

Generation of PFC for a Priority for Untagged Packets........................................................................................... 276

Congure Enhanced Transmission Selection..............................................................................................................276

ETS Prerequisites and Restrictions........................................................................................................................276

Creating an ETS Priority Group..............................................................................................................................277

ETS Operation with DCBx...................................................................................................................................... 278

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................278

Conguring ETS in a DCB Map..............................................................................................................................279

Hierarchical Scheduling in ETS Output Policies.........................................................................................................280

Using ETS to Manage Converged Ethernet Trac....................................................................................................281

Applying DCB Policies in a Switch Stack.....................................................................................................................281

Congure a DCBx Operation.........................................................................................................................................281

Contents

9

DCBx Operation........................................................................................................................................................281

DCBx Port Roles...................................................................................................................................................... 282

DCB Conguration Exchange.................................................................................................................................283

Conguration Source Election................................................................................................................................283

Propagation of DCB Information............................................................................................................................284

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 284

DCBx Example......................................................................................................................................................... 285

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

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

Verifying the DCB Conguration................................................................................................................................. 289

QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 297

Conguring the Dynamic Buer Method................................................................................................................... 298

Sample DCB Conguration...........................................................................................................................................299

PFC and ETS Conguration Command Examples............................................................................................... 301

13 Dynamic Host Conguration Protocol (DHCP).........................................................................................302

DHCP Packet Format and Options............................................................................................................................. 302

Assign an IP Address using DHCP...............................................................................................................................304

Implementation Information......................................................................................................................................... 305

Congure the System to be a DHCP Server............................................................................................................. 305

Conguring the Server for Automatic Address Allocation..................................................................................306

Specifying a Default Gateway................................................................................................................................ 307

Congure a Method of Hostname Resolution..................................................................................................... 308

Using DNS for Address Resolution........................................................................................................................308

Using NetBIOS WINS for Address Resolution..................................................................................................... 308

Creating Manual Binding Entries............................................................................................................................308

Debugging the DHCP Server.................................................................................................................................309

Using DHCP Clear Commands.............................................................................................................................. 309

Congure the System to be a DHCP Client...............................................................................................................309

Conguring the DHCP Client System....................................................................................................................310

DHCP Client on a Management Interface..............................................................................................................311

DHCP Client Operation with Other Features........................................................................................................312

DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................313

Conguring Route Leaking between VRFs on DHCP Relay Agent.................................................................... 313

Non-default VRF conguration for DHCPv6 helper address....................................................................................314

Conguring DHCP relay source interface....................................................................................................................314

Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................314

Interface level DHCP relay source IPv4 or IPv6 conguration .......................................................................... 315

Congure the System for User Port Stacking (Option 230).................................................................................... 316

Congure Secure DHCP................................................................................................................................................316

Option 82...................................................................................................................................................................317

DHCP Snooping........................................................................................................................................................317

Conguring the DHCP secondary-subnet............................................................................................................322

Drop DHCP Packets on Snooped VLANs Only....................................................................................................322

Dynamic ARP Inspection.........................................................................................................................................323

Conguring Dynamic ARP Inspection................................................................................................................... 323

10

Contents

Source Address Validation............................................................................................................................................ 325

Enabling IP Source Address Validation..................................................................................................................325

DHCP MAC Source Address Validation................................................................................................................ 326

Enabling IP+MAC Source Address Validation.......................................................................................................326

Viewing the Number of SAV Dropped Packets....................................................................................................327

Clearing the Number of SAV Dropped Packets................................................................................................... 327

14 Equal Cost Multi-Path (ECMP)................................................................................................................ 328

ECMP for Flow-Based Anity.....................................................................................................................................328

Conguring the Hash Algorithm............................................................................................................................ 328

Enabling Deterministic ECMP Next Hop.............................................................................................................. 328

Conguring the Hash Algorithm Seed.................................................................................................................. 329

Link Bundle Monitoring................................................................................................................................................. 329

Managing ECMP Group Paths...............................................................................................................................330

Creating an ECMP Group Bundle..........................................................................................................................330

Modifying the ECMP Group Threshold.................................................................................................................330

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table.......................................331

Support for ECMP in host table............................................................................................................................ 332

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 332

RTAG7............................................................................................................................................................................. 332

Flow-based Hashing for ECMP....................................................................................................................................333

15 FIP Snooping............................................................................................................................................336

Fibre Channel over Ethernet........................................................................................................................................ 336

Ensure Robustness in a Converged Ethernet Network............................................................................................336

FIP Snooping on Ethernet Bridges.............................................................................................................................. 338

FIP Snooping in a Switch Stack...................................................................................................................................340

Using FIP Snooping....................................................................................................................................................... 340

FIP Snooping Prerequisites.....................................................................................................................................340

Important Points to Remember............................................................................................................................. 340

Enabling the FCoE Transit Feature.........................................................................................................................341

Enable FIP Snooping on VLANs.............................................................................................................................342

Congure the FC-MAP Value................................................................................................................................ 342

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................342

Congure a Port for a Bridge-to-FCF Link...........................................................................................................342

Impact on Other Software Features..................................................................................................................... 342

FIP Snooping Restrictions...................................................................................................................................... 343

Conguring FIP Snooping.......................................................................................................................................343

Displaying FIP Snooping Information...........................................................................................................................344

FCoE Transit Conguration Example...........................................................................................................................349

16 Flex Hash and Optimized Boot-Up............................................................................................................ 351

Flex Hash Capability Overview..................................................................................................................................... 351

Conguring the Flex Hash Mechanism........................................................................................................................351

Conguring Fast Boot and LACP Fast Switchover...................................................................................................352

Optimizing the Boot Time.............................................................................................................................................352

Contents

11

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................352

Guidelines for Conguring Optimized Booting Mechanism................................................................................353

Interoperation of Applications with Fast Boot and System States..........................................................................354

LACP and IPv4 Routing.......................................................................................................................................... 354

LACP and IPv6 Routing..........................................................................................................................................354

BGP Graceful Restart............................................................................................................................................. 355

Cold Boot Caused by Power Cycling the System............................................................................................... 355

Unexpected Reload of the System........................................................................................................................355

Software Upgrade................................................................................................................................................... 355

LACP Fast Switchover............................................................................................................................................355

Changes to BGP Multipath.................................................................................................................................... 356

Delayed Installation of ECMP Routes Into BGP...................................................................................................356

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 356

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 357

17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 358

Protocol Overview.........................................................................................................................................................358

Ring Status............................................................................................................................................................... 359

Multiple FRRP Rings............................................................................................................................................... 359

Important FRRP Points...........................................................................................................................................360

Important FRRP Concepts......................................................................................................................................361

Implementing FRRP.......................................................................................................................................................362

FRRP Conguration...................................................................................................................................................... 362

Creating the FRRP Group.......................................................................................................................................362

Conguring the Control VLAN...............................................................................................................................362

Conguring and Adding the Member VLANs.......................................................................................................364

Setting the FRRP Timers........................................................................................................................................365

Clearing the FRRP Counters..................................................................................................................................365

Viewing the FRRP Conguration...........................................................................................................................365

Viewing the FRRP Information.............................................................................................................................. 365

Troubleshooting FRRP.................................................................................................................................................. 366

Conguration Checks..............................................................................................................................................366

Sample Conguration and Topology............................................................................................................................366

FRRP Support on VLT...................................................................................................................................................367

Example Scenario.................................................................................................................................................... 368

Important Points to Remember............................................................................................................................. 369

18 GARP VLAN Registration Protocol (GVRP)..............................................................................................370

Important Points to Remember....................................................................................................................................370

Congure GVRP............................................................................................................................................................. 371

Related Conguration Tasks....................................................................................................................................371

Enabling GVRP Globally................................................................................................................................................ 372

Enabling GVRP on a Layer 2 Interface........................................................................................................................ 372

Congure GVRP Registration.......................................................................................................................................372

Congure a GARP Timer...............................................................................................................................................373

12

Contents

19 Internet Group Management Protocol (IGMP)..........................................................................................374

IGMP Implementation Information...............................................................................................................................374

IGMP Protocol Overview.............................................................................................................................................. 374

IGMP Version 2.........................................................................................................................................................374

IGMP Version 3........................................................................................................................................................ 376

Congure IGMP............................................................................................................................................................. 379

Related Conguration Tasks................................................................................................................................... 379

Viewing IGMP Enabled Interfaces...............................................................................................................................380

Selecting an IGMP Version...........................................................................................................................................380

Viewing IGMP Groups....................................................................................................................................................381

Viewing IGMP Snooping Groups.................................................................................................................................. 381

Adjusting Timers............................................................................................................................................................. 381

Adjusting Query and Response Timers.................................................................................................................. 381

Enabling IGMP Immediate-Leave.................................................................................................................................382

IGMP Snooping..............................................................................................................................................................383

IGMP Snooping Implementation Information....................................................................................................... 383

Conguring IGMP Snooping...................................................................................................................................383

Removing a Group-Port Association.....................................................................................................................384

Disabling Multicast Flooding...................................................................................................................................384

Specifying a Port as Connected to a Multicast Router...................................................................................... 384

Conguring the Switch as Querier........................................................................................................................ 385

Fast Convergence after MSTP Topology Changes...................................................................................................385

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................385

Protocol Separation.................................................................................................................................................386

Enabling and Disabling Management Egress Interface Selection...................................................................... 387

Handling of Management Route Conguration................................................................................................... 388

Handling of Switch-Initiated Trac....................................................................................................................... 388

Handling of Switch-Destined Trac......................................................................................................................389

Handling of Transit Trac (Trac Separation).................................................................................................... 390

Mapping of Management Applications and Trac Type.....................................................................................390

Behavior of Various Applications for Switch-Initiated Trac .............................................................................391

Behavior of Various Applications for Switch-Destined Trac ...........................................................................392

Interworking of EIS With Various Applications.....................................................................................................392

Designating a Multicast Router Interface................................................................................................................... 393

20 Interfaces................................................................................................................................................ 394

Basic Interface Conguration.......................................................................................................................................394

Advanced Interface Conguration...............................................................................................................................394

Interface Types...............................................................................................................................................................395

View Basic Interface Information.................................................................................................................................395

Resetting an Interface to its Factory Default State...................................................................................................397

Enabling a Physical Interface........................................................................................................................................398

Physical Interfaces.........................................................................................................................................................398

Conguration Task List for Physical Interfaces....................................................................................................398

40G to 1G Breakout Cable Adaptor....................................................................................................................... 398

Contents

13

Overview of Layer Modes...................................................................................................................................... 399

Conguring Layer 2 (Data Link) Mode................................................................................................................. 400

Conguring Layer 2 (Interface) Mode.................................................................................................................. 400

Conguring Layer 3 (Network) Mode...................................................................................................................400

Conguring Layer 3 (Interface) Mode................................................................................................................... 401

Automatic recovery of an Err-disabled interface....................................................................................................... 402

Conguring an automatic recovery for an Err-disabled interface......................................................................402

Egress Interface Selection (EIS)..................................................................................................................................403

Important Points to Remember............................................................................................................................. 403

Conguring EIS........................................................................................................................................................ 403

Management Interfaces................................................................................................................................................404

Conguring Management Interfaces.................................................................................................................... 404

Conguring a Management Interface on an Ethernet Port............................................................................... 405

VLAN Interfaces............................................................................................................................................................ 406

Loopback Interfaces...................................................................................................................................................... 407

Null Interfaces................................................................................................................................................................ 407

Port Channel Interfaces................................................................................................................................................ 407

Port Channel Denition and Standards.................................................................................................................408

Port Channel Benets.............................................................................................................................................408

Port Channel Implementation.................................................................................................................................408

Interfaces in Port Channels.................................................................................................................................... 409

Conguration Tasks for Port Channel Interfaces.................................................................................................409

Creating a Port Channel......................................................................................................................................... 409

Adding a Physical Interface to a Port Channel..................................................................................................... 410

Reassigning an Interface to a New Port Channel..................................................................................................411

Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 412

Adding or Removing a Port Channel from a VLAN.............................................................................................. 412

Assigning an IP Address to a Port Channel........................................................................................................... 413

Deleting or Disabling a Port Channel......................................................................................................................414

Load Balancing Through Port Channels................................................................................................................ 414

Changing the Hash Algorithm.................................................................................................................................414

Bulk Conguration..........................................................................................................................................................415

Interface Range........................................................................................................................................................ 415

Bulk Conguration Examples.................................................................................................................................. 416

Dening Interface Range Macros................................................................................................................................. 417

Dene the Interface Range..................................................................................................................................... 417

Choosing an Interface-Range Macro.....................................................................................................................418

Monitoring and Maintaining Interfaces........................................................................................................................ 418

Maintenance Using TDR..........................................................................................................................................419

Non Dell-Qualied Transceivers....................................................................................................................................419

Splitting 40G Ports without Reload.............................................................................................................................420

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 422

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................423

Important Points to Remember..............................................................................................................................423

Example Scenarios...................................................................................................................................................424

14

Contents

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................ 427

Link Dampening..............................................................................................................................................................428

Important Points to Remember..............................................................................................................................428

Conguration Example of Link Dampening...........................................................................................................428

Enabling Link Dampening.........................................................................................................................................431

Link Bundle Monitoring................................................................................................................................................. 432

Using Ethernet Pause Frames for Flow Control........................................................................................................ 433

Enabling Pause Frames........................................................................................................................................... 433

Congure the MTU Size on an Interface....................................................................................................................434

Port-Pipes.......................................................................................................................................................................435

Auto-Negotiation on Ethernet Interfaces...................................................................................................................435

Setting the Speed of Ethernet Interfaces............................................................................................................ 435

Set Auto-Negotiation Options................................................................................................................................437

View Advanced Interface Information......................................................................................................................... 437

Conguring the Interface Sampling Size.............................................................................................................. 438

Conguring the Trac Sampling Size Globally...........................................................................................................439

Dynamic Counters......................................................................................................................................................... 440

Clearing Interface Counters.................................................................................................................................... 441

Compressing Conguration Files.................................................................................................................................. 441

21 IPv4 Routing............................................................................................................................................ 445

IP Addresses...................................................................................................................................................................446

Implementation Information....................................................................................................................................446

Conguration Tasks for IP Addresses..........................................................................................................................446

Assigning IP Addresses to an Interface.......................................................................................................................446

Conguring Static Routes.............................................................................................................................................447

Congure Static Routes for the Management Interface.......................................................................................... 448

Using the Congured Source IP Address in ICMP Messages..................................................................................449

Conguring the ICMP Source Interface............................................................................................................... 449

Conguring the Duration to Establish a TCP Connection........................................................................................ 449

Enabling Directed Broadcast........................................................................................................................................ 450

Resolution of Host Names............................................................................................................................................450

Enabling Dynamic Resolution of Host Names............................................................................................................450

Specifying the Local System Domain and a List of Domains.................................................................................... 451

Conguring DNS with Traceroute................................................................................................................................ 451

ARP................................................................................................................................................................................. 452

Conguration Tasks for ARP........................................................................................................................................ 452

Conguring Static ARP Entries....................................................................................................................................452

Enabling Proxy ARP.......................................................................................................................................................453

Clearing ARP Cache......................................................................................................................................................453

ARP Learning via Gratuitous ARP............................................................................................................................... 453

Enabling ARP Learning via Gratuitous ARP................................................................................................................454

ARP Learning via ARP Request................................................................................................................................... 454

Conguring ARP Retries...............................................................................................................................................455

ICMP............................................................................................................................................................................... 455

Conguration Tasks for ICMP......................................................................................................................................455

Contents

15

Enabling ICMP Unreachable Messages...................................................................................................................... 455

UDP Helper.....................................................................................................................................................................456

Congure UDP Helper............................................................................................................................................ 456

Important Points to Remember............................................................................................................................. 456

Enabling UDP Helper.....................................................................................................................................................456

Conguring a Broadcast Address................................................................................................................................ 457

Congurations Using UDP Helper................................................................................................................................457

UDP Helper with Broadcast-All Addresses.................................................................................................................457

UDP Helper with Subnet Broadcast Addresses.........................................................................................................458

UDP Helper with Congured Broadcast Addresses..................................................................................................458

UDP Helper with No Congured Broadcast Addresses............................................................................................459

Troubleshooting UDP Helper........................................................................................................................................459

22 IPv6 Routing............................................................................................................................................460

Protocol Overview.........................................................................................................................................................460

Extended Address Space.........................................................................................................................................461

Stateless Autoconguration.................................................................................................................................... 461

IPv6 Headers.............................................................................................................................................................461

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 462

IPv6 Header Fields...................................................................................................................................................463

Extension Header Fields......................................................................................................................................... 465

Addressing................................................................................................................................................................ 466

Implementing IPv6 with Dell EMC Networking OS................................................................................................... 467

ICMPv6...........................................................................................................................................................................468

Path MTU discovery..................................................................................................................................................... 469

IPv6 Neighbor Discovery..............................................................................................................................................469

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................470

Conguring the IPv6 Recursive DNS Server....................................................................................................... 470

Debugging IPv6 RDNSS Information Sent to the Host ......................................................................................471

Displaying IPv6 RDNSS Information.......................................................................................................................471

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 472

Conguration Tasks for IPv6........................................................................................................................................ 472

Adjusting Your CAM-Prole.................................................................................................................................... 472

Assigning an IPv6 Address to an Interface........................................................................................................... 473

Assigning a Static IPv6 Route................................................................................................................................ 474

Conguring Telnet with IPv6.................................................................................................................................. 474

SNMP over IPv6......................................................................................................................................................475

Displaying IPv6 Information.................................................................................................................................... 475

Displaying an IPv6 Interface Information.............................................................................................................. 475

Showing IPv6 Routes.............................................................................................................................................. 476

Showing the Running-Conguration for an Interface......................................................................................... 477

Clearing IPv6 Routes............................................................................................................................................... 478

Disabling ND Entry Timeout................................................................................................................................... 478

Conguring IPv6 RA Guard.......................................................................................................................................... 478

Conguring IPv6 RA Guard on an Interface.........................................................................................................480

Monitoring IPv6 RA Guard...................................................................................................................................... 481

16

Contents

23 iSCSI Optimization...................................................................................................................................482

iSCSI Optimization Overview....................................................................................................................................... 482

Monitoring iSCSI Trac Flows...............................................................................................................................484

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 484

Information Monitored in iSCSI Trac Flows.......................................................................................................484

Detection and Auto-Conguration for Dell EqualLogic Arrays...........................................................................485

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................485

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................486

Enable and Disable iSCSI Optimization................................................................................................................. 486

Default iSCSI Optimization Values............................................................................................................................... 487

iSCSI Optimization Prerequisites..................................................................................................................................487

Conguring iSCSI Optimization....................................................................................................................................487

Displaying iSCSI Optimization Information................................................................................................................. 489

24 Intermediate System to Intermediate System........................................................................................... 491

IS-IS Protocol Overview................................................................................................................................................ 491

IS-IS Addressing............................................................................................................................................................. 491

Multi-Topology IS-IS...................................................................................................................................................... 492

Transition Mode....................................................................................................................................................... 492

Interface Support.....................................................................................................................................................493

Adjacencies...............................................................................................................................................................493

Graceful Restart.............................................................................................................................................................493

Timers........................................................................................................................................................................493

Implementation Information..........................................................................................................................................493

Conguration Information.............................................................................................................................................494

Conguration Tasks for IS-IS..................................................................................................................................495

Conguring the Distance of a Route.....................................................................................................................502

Changing the IS-Type.............................................................................................................................................. 503

Redistributing IPv4 Routes.....................................................................................................................................505

Redistributing IPv6 Routes.....................................................................................................................................506

Conguring Authentication Passwords.................................................................................................................507

Setting the Overload Bit......................................................................................................................................... 507

Debugging IS-IS.......................................................................................................................................................508

IS-IS Metric Styles.........................................................................................................................................................509

Congure Metric Values............................................................................................................................................... 509

Maximum Values in the Routing Table.................................................................................................................. 509

Change the IS-IS Metric Style in One Level Only................................................................................................509

Leaks from One Level to Another........................................................................................................................... 511

Sample Congurations...................................................................................................................................................512

25 In-Service Software Upgrade................................................................................................................... 514

ISSU Introduction........................................................................................................................................................... 514

Warmboot Limitations..............................................................................................................................................514

Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 514

L2 ISSU............................................................................................................................................................................515

Contents

17

L3 ISSU............................................................................................................................................................................515

CoPP................................................................................................................................................................................516

Mirroring ow control packets......................................................................................................................................516

PFC.................................................................................................................................................................................. 516

QoS.................................................................................................................................................................................. 516

Tunnel Conguration...................................................................................................................................................... 516

26 Link Aggregation Control Protocol (LACP)............................................................................................... 518

Introduction to Dynamic LAGs and LACP................................................................................................................... 518

Important Points to Remember.............................................................................................................................. 518

LACP Modes.............................................................................................................................................................519

Conguring LACP Commands................................................................................................................................519

LACP Conguration Tasks............................................................................................................................................520

Creating a LAG.........................................................................................................................................................520

Conguring the LAG Interfaces as Dynamic........................................................................................................520

Setting the LACP Long Timeout............................................................................................................................ 521

Monitoring and Debugging LACP...........................................................................................................................521

Shared LAG State Tracking.......................................................................................................................................... 522

Conguring Shared LAG State Tracking............................................................................................................... 522

Important Points about Shared LAG State Tracking........................................................................................... 524

LACP Basic Conguration Example.............................................................................................................................524

Congure a LAG on ALPHA................................................................................................................................... 524

27 Layer 2.....................................................................................................................................................533

Manage the MAC Address Table................................................................................................................................. 533

Clearing the MAC Address Table........................................................................................................................... 533

Setting the Aging Time for Dynamic Entries........................................................................................................533

Conguring a Static MAC Address........................................................................................................................534

Displaying the MAC Address Table........................................................................................................................ 534

MAC Learning Limit.......................................................................................................................................................534

Setting the MAC Learning Limit............................................................................................................................ 535

mac learning-limit Dynamic.................................................................................................................................... 535

mac learning-limit mac-address-sticky................................................................................................................. 535

mac learning-limit station-move............................................................................................................................ 536

mac learning-limit no-station-move...................................................................................................................... 536

Learning Limit Violation Actions.............................................................................................................................536

Setting Station Move Violation Actions................................................................................................................ 537

Recovering from Learning Limit and Station Move Violations........................................................................... 537

Disabling MAC Address Learning on the System.................................................................................................538

Enabling port security............................................................................................................................................. 538

NIC Teaming................................................................................................................................................................... 538

Congure Redundant Pairs.......................................................................................................................................... 539

Important Points about Conguring Redundant Pairs.........................................................................................541

Far-End Failure Detection.............................................................................................................................................542

FEFD State Changes...............................................................................................................................................543

Conguring FEFD.................................................................................................................................................... 544

18

Contents

Enabling FEFD on an Interface...............................................................................................................................544

Debugging FEFD......................................................................................................................................................545

28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 547

802.1AB (LLDP) Overview............................................................................................................................................547

Protocol Data Units................................................................................................................................................. 547

Optional TLVs.................................................................................................................................................................548

Management TLVs.................................................................................................................................................. 548

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 550

TIA Organizationally Specic TLVs........................................................................................................................550

Congure LLDP............................................................................................................................................................. 554

Related Conguration Tasks...................................................................................................................................554

Important Points to Remember............................................................................................................................. 554

LLDP Compatibility..................................................................................................................................................555

CONFIGURATION versus INTERFACE Congurations............................................................................................555

Enabling LLDP................................................................................................................................................................555

Disabling and Undoing LLDP..................................................................................................................................556

Enabling LLDP on Management Ports........................................................................................................................556

Disabling and Undoing LLDP on Management Ports..........................................................................................556

Advertising TLVs............................................................................................................................................................556

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................558

Reserved Unrecognized LLDP TLVs..................................................................................................................... 558

Organizational Specic Unrecognized LLDP TLVs..............................................................................................558

Viewing Unrecognized LLDP TLVs........................................................................................................................558

Viewing the LLDP Conguration................................................................................................................................. 559

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................559

Examples of Viewing Information Advertised by Neighbors.............................................................................. 559

Conguring LLDPDU Intervals......................................................................................................................................561

Conguring LLDP Notication Interval....................................................................................................................... 562

Conguring Transmit and Receive Mode....................................................................................................................562

Conguring the Time to Live Value............................................................................................................................. 563

Debugging LLDP............................................................................................................................................................563

Relevant Management Objects................................................................................................................................... 565

29 Microsoft Network Load Balancing.......................................................................................................... 570

NLB Unicast Mode Scenario........................................................................................................................................ 570

NLB Multicast Mode Scenario..................................................................................................................................... 570

Limitations of the NLB Feature.....................................................................................................................................571

Microsoft Clustering.......................................................................................................................................................571

Enable and Disable VLAN Flooding ............................................................................................................................. 571

Conguring a Switch for NLB ......................................................................................................................................571

Enabling a Switch for Multicast NLB.....................................................................................................................572

30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 573

Protocol Overview......................................................................................................................................................... 573

Anycast RP..................................................................................................................................................................... 574

Contents

19

Implementation Information..........................................................................................................................................575

Congure Multicast Source Discovery Protocol........................................................................................................575

Related Conguration Tasks................................................................................................................................... 575

Enable MSDP................................................................................................................................................................. 579

Manage the Source-Active Cache..............................................................................................................................580

Viewing the Source-Active Cache........................................................................................................................ 580

Limiting the Source-Active Cache.........................................................................................................................580

Clearing the Source-Active Cache.........................................................................................................................581

Enabling the Rejected Source-Active Cache........................................................................................................581

Accept Source-Active Messages that Fail the RFP Check...................................................................................... 581

Specifying Source-Active Messages...........................................................................................................................584

Limiting the Source-Active Messages from a Peer...................................................................................................585

Preventing MSDP from Caching a Local Source.......................................................................................................585

Preventing MSDP from Caching a Remote Source.................................................................................................. 586

Preventing MSDP from Advertising a Local Source................................................................................................. 586

Logging Changes in Peership States...........................................................................................................................587

Terminating a Peership..................................................................................................................................................587

Clearing Peer Statistics.................................................................................................................................................588

Debugging MSDP..........................................................................................................................................................588

MSDP with Anycast RP................................................................................................................................................589

Conguring Anycast RP............................................................................................................................................... 590

Reducing Source-Active Message Flooding......................................................................................................... 591

Specifying the RP Address Used in SA Messages...............................................................................................591

MSDP Sample Congurations......................................................................................................................................593

31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 596

Protocol Overview.........................................................................................................................................................596

Spanning Tree Variations...............................................................................................................................................597

Implementation Information....................................................................................................................................597

Congure Multiple Spanning Tree Protocol................................................................................................................ 597

Related Conguration Tasks................................................................................................................................... 597

Enable Multiple Spanning Tree Globally...................................................................................................................... 598

Adding and Removing Interfaces.................................................................................................................................598

Creating Multiple Spanning Tree Instances................................................................................................................ 598

Inuencing MSTP Root Selection............................................................................................................................... 600

Interoperate with Non-Dell Bridges.............................................................................................................................600

Changing the Region Name or Revision.....................................................................................................................600

Modifying Global Parameters........................................................................................................................................601

Modifying the Interface Parameters........................................................................................................................... 602

Conguring an EdgePort.............................................................................................................................................. 603

Flush MAC Addresses after a Topology Change....................................................................................................... 604

MSTP Sample Congurations......................................................................................................................................604

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

CongurationSFTOS Example Running-Conguration.......................................................................................604

Debugging and Verifying MSTP Congurations........................................................................................................ 607

20

Contents

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Dell PowerSwitch S6000 Owner's manual

Dell PowerSwitch S6000 Owner's manual

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