Dell PowerSwitch S6000 Owner's manual

Dell Conguration Guide for the S6000 System

9.14.2.0

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.

2019 - 04

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.................................................................................................................................................................147

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

Congure BFD for Static Routes............................................................................................................................149

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

Congure BFD for OSPF.........................................................................................................................................155

Congure BFD for OSPFv3.....................................................................................................................................159

6

Contents

Congure BFD for IS-IS...........................................................................................................................................162

Congure BFD for BGP........................................................................................................................................... 164

Congure BFD for VRRP.........................................................................................................................................172

Conguring Protocol Liveness.................................................................................................................................174

9 Border Gateway Protocol (BGP)................................................................................................................ 175

BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 175

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

AS4 Number Representation...................................................................................................................................177

Four-Byte AS Numbers............................................................................................................................................179

BGP router ID............................................................................................................................................................179

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

Establish a Session...................................................................................................................................................180

BGP Attributes for selecting Best Path.................................................................................................................180

Multiprotocol BGP....................................................................................................................................................185

BGP global and address family conguration........................................................................................................186

Implement BGP with Dell EMC Networking OS...................................................................................................188

Conguration Information........................................................................................................................................ 191

Basic BGP conguration tasks...................................................................................................................................... 191

Prerequisite for conguring a BGP network..........................................................................................................191

Restrictions............................................................................................................................................................... 192

Enabling BGP............................................................................................................................................................ 192

Enabling four-byte autonomous system numbers................................................................................................194

Changing a BGP router ID.......................................................................................................................................195

Conguring AS4 Number Representations...........................................................................................................195

Conguring a BGP peer...........................................................................................................................................197

Example-Conguring BGP routing between peers.............................................................................................. 198

BGP peer group........................................................................................................................................................199

Advanced BGP conguration tasks.............................................................................................................................205

Route-refresh and Soft-reconguration............................................................................................................... 206

Aggregating Routes.................................................................................................................................................208

Filtering BGP.............................................................................................................................................................210

Conguring BGP Fast Fall-Over............................................................................................................................. 217

Conguring Passive Peering................................................................................................................................... 218

Enabling Graceful Restart........................................................................................................................................219

Redistributing Routes..............................................................................................................................................220

Enabling Additional Paths........................................................................................................................................ 221

Conguring IP Community Lists............................................................................................................................ 222

Conguring an IP Extended Community List....................................................................................................... 223

Congure BGP attributes....................................................................................................................................... 224

Enabling Multipath...................................................................................................................................................228

Route Reectors......................................................................................................................................................229

Enabling Route Flap Dampening............................................................................................................................ 230

Changing BGP keepalive and hold timers.............................................................................................................232

Setting the extended timer.....................................................................................................................................233

Enabling or disabling BGP neighbors.....................................................................................................................234

Contents

7

Route Map Continue............................................................................................................................................... 235

Conguring BGP Confederations.......................................................................................................................... 235

Conguring a BGP VRF address family................................................................................................................ 236

Maintaining Existing AS Numbers During an AS Migration.................................................................................237

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 238

Enabling MBGP Congurations............................................................................................................................. 239

MBGP support for IPv6..........................................................................................................................................239

Conguring IPv6 MBGP between peers.............................................................................................................. 240

Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 240

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 243

BGP Regular Expression Optimization.................................................................................................................. 244

Debugging BGP....................................................................................................................................................... 245

10 Content Addressable Memory (CAM).......................................................................................................247

CAM Allocation...............................................................................................................................................................247

Test CAM Usage............................................................................................................................................................249

View CAM Proles.........................................................................................................................................................249

View CAM-ACL Settings.............................................................................................................................................. 250

View CAM Usage............................................................................................................................................................251

Conguring CAM Threshold and Silence Period........................................................................................................252

Setting CAM Threshold and Silence Period......................................................................................................... 252

CAM Optimization......................................................................................................................................................... 253

Troubleshoot CAM Proling..........................................................................................................................................253

QoS CAM Region Limitation...................................................................................................................................253

Syslog Error When the Table is Full....................................................................................................................... 254

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................254

Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................254

Unied Forwarding Table (UFT) Modes......................................................................................................................254

Conguring UFT Modes......................................................................................................................................... 254

11 Control Plane Policing (CoPP).................................................................................................................. 256

Congure Control Plane Policing..................................................................................................................................257

Conguring CoPP for Protocols............................................................................................................................ 258

Conguring CoPP for CPU Queues...................................................................................................................... 260

Protocol to CPU Queue Mapping...........................................................................................................................261

Conguring Protocol to CPU Queue Mapping......................................................................................................261

Displaying CoPP Conguration ............................................................................................................................. 262

12 Data Center Bridging (DCB)..................................................................................................................... 264

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

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

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

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

Data Center Bridging in a Trac Flow.................................................................................................................. 268

Enabling Data Center Bridging.....................................................................................................................................268

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

8

Contents

Data Center Bridging: Default Conguration..............................................................................................................270

Conguring Priority-Based Flow Control.................................................................................................................... 270

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

Conguring PFC in a DCB Map....................................................................................................................................273

PFC Conguration Notes........................................................................................................................................273

PFC Prerequisites and Restrictions....................................................................................................................... 274

Conguring PFC without a DCB Map......................................................................................................................... 274

Conguring Lossless QueuesExample:.................................................................................................................. 274

Priority-Based Flow Control Using Dynamic Buer Method..............................................................................276

Behavior of Tagged Packets......................................................................................................................................... 277

Conguration Example for DSCP and PFC Priorities................................................................................................ 277

SNMP Support for PFC and Buer Statistics Tracking............................................................................................278

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................279

PFC and ETS Conguration Examples........................................................................................................................280

Using PFC to Manage Converged Ethernet Trac.................................................................................................. 280

Operations on Untagged Packets................................................................................................................................280

Generation of PFC for a Priority for Untagged Packets............................................................................................281

Congure Enhanced Transmission Selection.............................................................................................................. 281

ETS Prerequisites and Restrictions........................................................................................................................ 281

Creating an ETS Priority Group.............................................................................................................................. 281

ETS Operation with DCBx...................................................................................................................................... 282

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................283

Conguring ETS in a DCB Map..............................................................................................................................284

Hierarchical Scheduling in ETS Output Policies.........................................................................................................285

Using ETS to Manage Converged Ethernet Trac...................................................................................................285

Applying DCB Policies in a Switch Stack.................................................................................................................... 286

Congure a DCBx Operation........................................................................................................................................286

DCBx Operation.......................................................................................................................................................286

DCBx Port Roles...................................................................................................................................................... 286

DCB Conguration Exchange................................................................................................................................ 288

Conguration Source Election................................................................................................................................288

Propagation of DCB Information............................................................................................................................289

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 289

DCBx Example......................................................................................................................................................... 289

DCBx Prerequisites and Restrictions.....................................................................................................................290

Conguring DCBx....................................................................................................................................................290

Verifying the DCB Conguration................................................................................................................................. 294

QoS dot1p Trac Classication and Queue Assignment..........................................................................................302

Conguring the Dynamic Buer Method................................................................................................................... 303

Sample DCB Conguration...........................................................................................................................................304

PFC and ETS Conguration Command Examples.............................................................................................. 306

13 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 307

DHCP Packet Format and Options..............................................................................................................................307

Assign an IP Address using DHCP...............................................................................................................................309

Implementation Information.......................................................................................................................................... 310

Contents

9

Congure the System to be a DHCP Server.............................................................................................................. 310

Conguring the Server for Automatic Address Allocation................................................................................... 311

Specifying a Default Gateway.................................................................................................................................312

Congure a Method of Hostname Resolution...................................................................................................... 313

Using DNS for Address Resolution.........................................................................................................................313

Using NetBIOS WINS for Address Resolution...................................................................................................... 313

Creating Manual Binding Entries.............................................................................................................................313

Debugging the DHCP Server..................................................................................................................................314

Using DHCP Clear Commands............................................................................................................................... 314

Congure the System to be a DHCP Client................................................................................................................314

Conguring the DHCP Client System....................................................................................................................315

DHCP Client on a Management Interface.............................................................................................................316

DHCP Client Operation with Other Features........................................................................................................317

DHCP Relay When DHCP Server and Client are in Dierent VRFs.........................................................................318

Conguring Route Leaking between VRFs on DHCP Relay Agent.................................................................... 318

Non-default VRF conguration for DHCPv6 helper address....................................................................................319

Conguring DHCP relay source interface....................................................................................................................319

Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................319

Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................320

Congure the System for User Port Stacking (Option 230).................................................................................... 321

Congure Secure DHCP................................................................................................................................................321

Option 82..................................................................................................................................................................322

DHCPv6 relay agent options.................................................................................................................................. 322

DHCP Snooping....................................................................................................................................................... 323

Conguring the DHCP secondary-subnet............................................................................................................ 327

Drop DHCP Packets on Snooped VLANs Only....................................................................................................328

Dynamic ARP Inspection.........................................................................................................................................328

Conguring Dynamic ARP Inspection................................................................................................................... 329

Source Address Validation............................................................................................................................................ 330

Enabling IP Source Address Validation..................................................................................................................330

DHCP MAC Source Address Validation................................................................................................................. 331

Enabling IP+MAC Source Address Validation........................................................................................................331

Viewing the Number of SAV Dropped Packets....................................................................................................332

Clearing the Number of SAV Dropped Packets................................................................................................... 332

14 Equal Cost Multi-Path (ECMP)................................................................................................................ 333

ECMP for Flow-Based Anity.....................................................................................................................................333

Conguring the Hash Algorithm............................................................................................................................ 333

Enabling Deterministic ECMP Next Hop.............................................................................................................. 333

Conguring the Hash Algorithm Seed.................................................................................................................. 334

Link Bundle Monitoring................................................................................................................................................. 334

Managing ECMP Group Paths...............................................................................................................................335

Creating an ECMP Group Bundle..........................................................................................................................335

Modifying the ECMP Group Threshold.................................................................................................................335

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................336

Support for ECMP in host table.............................................................................................................................337

10

Contents

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes .........................................................................337

RTAG7............................................................................................................................................................................. 337

Flow-based Hashing for ECMP................................................................................................................................... 338

15 FIP Snooping............................................................................................................................................ 341

Fibre Channel over Ethernet.........................................................................................................................................341

Ensure Robustness in a Converged Ethernet Network.............................................................................................341

FIP Snooping on Ethernet Bridges.............................................................................................................................. 343

FIP Snooping in a Switch Stack...................................................................................................................................345

Using FIP Snooping....................................................................................................................................................... 345

FIP Snooping Prerequisites.....................................................................................................................................345

Important Points to Remember............................................................................................................................. 345

Enabling the FCoE Transit Feature........................................................................................................................346

Enable FIP Snooping on VLANs.............................................................................................................................347

Congure the FC-MAP Value.................................................................................................................................347

Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 347

Congure a Port for a Bridge-to-FCF Link...........................................................................................................347

Impact on Other Software Features......................................................................................................................347

FIP Snooping Restrictions...................................................................................................................................... 348

Conguring FIP Snooping.......................................................................................................................................348

Displaying FIP Snooping Information...........................................................................................................................349

FCoE Transit Conguration Example...........................................................................................................................354

16 Flex Hash and Optimized Boot-Up............................................................................................................356

Flex Hash Capability Overview.................................................................................................................................... 356

Conguring the Flex Hash Mechanism.......................................................................................................................356

Conguring Fast Boot and LACP Fast Switchover................................................................................................... 357

Optimizing the Boot Time.............................................................................................................................................357

Booting Process When Optimized Boot Time Mechanism is Enabled.............................................................. 357

Guidelines for Conguring Optimized Booting Mechanism................................................................................358

Interoperation of Applications with Fast Boot and System States..........................................................................359

LACP and IPv4 Routing.......................................................................................................................................... 359

LACP and IPv6 Routing..........................................................................................................................................359

BGP Graceful Restart............................................................................................................................................. 360

Cold Boot Caused by Power Cycling the System............................................................................................... 360

Unexpected Reload of the System........................................................................................................................360

Software Upgrade................................................................................................................................................... 360

LACP Fast Switchover............................................................................................................................................360

Changes to BGP Multipath..................................................................................................................................... 361

Delayed Installation of ECMP Routes Into BGP................................................................................................... 361

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................ 361

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 362

17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 363

Protocol Overview.........................................................................................................................................................363

Ring Status............................................................................................................................................................... 364

Contents

11

Multiple FRRP Rings............................................................................................................................................... 364

Important FRRP Points...........................................................................................................................................365

Important FRRP Concepts.....................................................................................................................................366

Implementing FRRP.......................................................................................................................................................367

FRRP Conguration.......................................................................................................................................................367

Creating the FRRP Group.......................................................................................................................................367

Conguring the Control VLAN............................................................................................................................... 367

Conguring and Adding the Member VLANs...................................................................................................... 369

Setting the FRRP Timers........................................................................................................................................370

Clearing the FRRP Counters.................................................................................................................................. 370

Viewing the FRRP Conguration........................................................................................................................... 370

Viewing the FRRP Information...............................................................................................................................370

Troubleshooting FRRP................................................................................................................................................... 371

Conguration Checks...............................................................................................................................................371

Sample Conguration and Topology.............................................................................................................................371

FRRP Support on VLT...................................................................................................................................................372

Example Scenario.....................................................................................................................................................373

Important Points to Remember..............................................................................................................................374

18 GARP VLAN Registration Protocol (GVRP)..............................................................................................375

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

Congure GVRP.............................................................................................................................................................376

Related Conguration Tasks................................................................................................................................... 376

Enabling GVRP Globally.................................................................................................................................................377

Enabling GVRP on a Layer 2 Interface........................................................................................................................ 377

Congure GVRP Registration.......................................................................................................................................377

Congure a GARP Timer...............................................................................................................................................378

19 Internet Group Management Protocol (IGMP)..........................................................................................379

IGMP Implementation Information...............................................................................................................................379

IGMP Protocol Overview.............................................................................................................................................. 379

IGMP Version 2........................................................................................................................................................ 379

IGMP Version 3.........................................................................................................................................................381

Congure IGMP............................................................................................................................................................. 384

Related Conguration Tasks...................................................................................................................................384

Viewing IGMP Enabled Interfaces...............................................................................................................................385

Selecting an IGMP Version...........................................................................................................................................385

Viewing IGMP Groups...................................................................................................................................................386

Viewing IGMP Snooping Groups................................................................................................................................. 386

Adjusting Timers............................................................................................................................................................ 386

Adjusting Query and Response Timers................................................................................................................. 386

Enabling IGMP Immediate-Leave.................................................................................................................................387

IGMP Snooping..............................................................................................................................................................388

IGMP Snooping Implementation Information....................................................................................................... 388

Conguring IGMP Snooping...................................................................................................................................388

Removing a Group-Port Association.....................................................................................................................389

12

Contents

Disabling Multicast Flooding...................................................................................................................................389

Specifying a Port as Connected to a Multicast Router...................................................................................... 389

Conguring the Switch as Querier........................................................................................................................ 390

Fast Convergence after MSTP Topology Changes...................................................................................................390

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................390

Protocol Separation..................................................................................................................................................391

Enabling and Disabling Management Egress Interface Selection...................................................................... 392

Handling of Management Route Conguration................................................................................................... 393

Handling of Switch-Initiated Trac....................................................................................................................... 393

Handling of Switch-Destined Trac......................................................................................................................394

Handling of Transit Trac (Trac Separation).................................................................................................... 395

Mapping of Management Applications and Trac Type.....................................................................................395

Behavior of Various Applications for Switch-Initiated Trac ............................................................................396

Behavior of Various Applications for Switch-Destined Trac ...........................................................................397

Interworking of EIS With Various Applications..................................................................................................... 397

Designating a Multicast Router Interface...................................................................................................................398

20 Interfaces................................................................................................................................................ 399

Basic Interface Conguration.......................................................................................................................................399

Advanced Interface Conguration...............................................................................................................................399

Interface Types...............................................................................................................................................................400

View Basic Interface Information.................................................................................................................................400

Resetting an Interface to its Factory Default State...................................................................................................402

Enabling a Physical Interface........................................................................................................................................403

Physical Interfaces.........................................................................................................................................................403

Conguration Task List for Physical Interfaces....................................................................................................403

40G to 1G Breakout Cable Adaptor....................................................................................................................... 403

Overview of Layer Modes...................................................................................................................................... 404

Conguring Layer 2 (Data Link) Mode................................................................................................................. 405

Conguring Layer 2 (Interface) Mode.................................................................................................................. 405

Conguring Layer 3 (Network) Mode...................................................................................................................405

Conguring Layer 3 (Interface) Mode.................................................................................................................. 406

Automatic recovery of an Err-disabled interface....................................................................................................... 407

Conguring an automatic recovery for an Err-disabled interface......................................................................407

Egress Interface Selection (EIS)..................................................................................................................................408

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

Conguring EIS........................................................................................................................................................ 408

Management Interfaces................................................................................................................................................409

Conguring Management Interfaces.................................................................................................................... 409

Conguring a Management Interface on an Ethernet Port................................................................................ 410

VLAN Interfaces.............................................................................................................................................................. 411

Loopback Interfaces.......................................................................................................................................................412

Null Interfaces................................................................................................................................................................. 412

Port Channel Interfaces.................................................................................................................................................412

Port Channel Denition and Standards..................................................................................................................413

Port Channel Benets..............................................................................................................................................413

Contents

13

Port Channel Implementation................................................................................................................................. 413

Interfaces in Port Channels.....................................................................................................................................414

Conguration Tasks for Port Channel Interfaces..................................................................................................414

Creating a Port Channel.......................................................................................................................................... 414

Adding a Physical Interface to a Port Channel..................................................................................................... 415

Reassigning an Interface to a New Port Channel.................................................................................................416

Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 417

Adding or Removing a Port Channel from a VLAN.............................................................................................. 417

Assigning an IP Address to a Port Channel...........................................................................................................418

Deleting or Disabling a Port Channel......................................................................................................................419

Load Balancing Through Port Channels................................................................................................................ 419

Changing the Hash Algorithm.................................................................................................................................419

Bulk Conguration......................................................................................................................................................... 420

Interface Range........................................................................................................................................................420

Bulk Conguration Examples.................................................................................................................................. 421

Dening Interface Range Macros................................................................................................................................ 422

Dene the Interface Range.................................................................................................................................... 422

Choosing an Interface-Range Macro.................................................................................................................... 422

Monitoring and Maintaining Interfaces........................................................................................................................423

Maintenance Using TDR......................................................................................................................................... 424

Non Dell-Qualied Transceivers................................................................................................................................... 424

Splitting 40G Ports without Reload.............................................................................................................................425

Splitting QSFP Ports to SFP+ Ports............................................................................................................................427

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.................................................................................. 427

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

Example Scenarios...................................................................................................................................................428

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................432

Link Dampening..............................................................................................................................................................432

Important Points to Remember..............................................................................................................................433

Conguration Example of Link Dampening...........................................................................................................433

Enabling Link Dampening........................................................................................................................................435

Link Bundle Monitoring................................................................................................................................................. 436

Using Ethernet Pause Frames for Flow Control.........................................................................................................437

Enabling Pause Frames........................................................................................................................................... 437

Congure the MTU Size on an Interface....................................................................................................................438

Port-Pipes.......................................................................................................................................................................439

Auto-Negotiation on Ethernet Interfaces...................................................................................................................439

Setting the Speed of Ethernet Interfaces............................................................................................................ 439

Set Auto-Negotiation Options............................................................................................................................... 440

View Advanced Interface Information..........................................................................................................................441

Conguring the Interface Sampling Size.............................................................................................................. 442

Conguring the Trac Sampling Size Globally...........................................................................................................443

Dynamic Counters......................................................................................................................................................... 444

Clearing Interface Counters....................................................................................................................................444

Compressing Conguration Files................................................................................................................................. 445

14

Contents

21 IPv4 Routing.............................................................................................................................................448

IP Addresses...................................................................................................................................................................449

Implementation Information....................................................................................................................................449

Conguration Tasks for IP Addresses..........................................................................................................................449

Assigning IP Addresses to an Interface.......................................................................................................................449

Conguring Static Routes............................................................................................................................................ 450

Congure Static Routes for the Management Interface...........................................................................................451

Using the Congured Source IP Address in ICMP Messages..................................................................................452

Conguring the ICMP Source Interface............................................................................................................... 452

Conguring the Duration to Establish a TCP Connection........................................................................................ 452

Enabling Directed Broadcast........................................................................................................................................ 453

Resolution of Host Names............................................................................................................................................453

Enabling Dynamic Resolution of Host Names............................................................................................................453

Specifying the Local System Domain and a List of Domains................................................................................... 454

Conguring DNS with Traceroute................................................................................................................................454

ARP................................................................................................................................................................................. 455

Conguration Tasks for ARP........................................................................................................................................ 455

Conguring Static ARP Entries....................................................................................................................................455

Enabling Proxy ARP.......................................................................................................................................................456

Clearing ARP Cache......................................................................................................................................................456

ARP Learning via Gratuitous ARP............................................................................................................................... 456

Enabling ARP Learning via Gratuitous ARP................................................................................................................457

ARP Learning via ARP Request................................................................................................................................... 457

Conguring ARP Retries...............................................................................................................................................458

ICMP............................................................................................................................................................................... 458

Conguration Tasks for ICMP......................................................................................................................................458

Enabling ICMP Unreachable Messages...................................................................................................................... 458

ICMP Redirects..............................................................................................................................................................459

UDP Helper.....................................................................................................................................................................460

Congure UDP Helper............................................................................................................................................ 460

Important Points to Remember............................................................................................................................. 460

Enabling UDP Helper.....................................................................................................................................................460

Conguring a Broadcast Address................................................................................................................................ 460

Congurations Using UDP Helper................................................................................................................................ 461

UDP Helper with Broadcast-All Addresses................................................................................................................. 461

UDP Helper with Subnet Broadcast Addresses.........................................................................................................462

UDP Helper with Congured Broadcast Addresses..................................................................................................462

UDP Helper with No Congured Broadcast Addresses............................................................................................463

Troubleshooting UDP Helper........................................................................................................................................463

22 IPv6 Routing............................................................................................................................................464

Protocol Overview.........................................................................................................................................................464

Extended Address Space........................................................................................................................................465

Stateless Autoconguration................................................................................................................................... 465

IPv6 Headers............................................................................................................................................................465

Contents

15

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 466

IPv6 Header Fields...................................................................................................................................................467

Extension Header Fields......................................................................................................................................... 469

Addressing................................................................................................................................................................ 470

Implementing IPv6 with Dell EMC Networking OS....................................................................................................471

ICMPv6........................................................................................................................................................................... 472

Path MTU discovery......................................................................................................................................................473

IPv6 Neighbor Discovery.............................................................................................................................................. 473

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................474

Conguring the IPv6 Recursive DNS Server........................................................................................................474

Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 475

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

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 476

Conguration Tasks for IPv6........................................................................................................................................ 476

Adjusting Your CAM-Prole....................................................................................................................................476

Assigning an IPv6 Address to an Interface........................................................................................................... 477

Assigning a Static IPv6 Route................................................................................................................................ 478

Conguring Telnet with IPv6.................................................................................................................................. 478

SNMP over IPv6......................................................................................................................................................479

Displaying IPv6 Information.................................................................................................................................... 479

Displaying an IPv6 Interface Information.............................................................................................................. 479

Showing IPv6 Routes..............................................................................................................................................480

Showing the Running-Conguration for an Interface..........................................................................................481

Clearing IPv6 Routes...............................................................................................................................................482

Disabling ND Entry Timeout................................................................................................................................... 482

Conguring IPv6 RA Guard.......................................................................................................................................... 483

Conguring IPv6 RA Guard on an Interface.........................................................................................................484

Monitoring IPv6 RA Guard..................................................................................................................................... 485

23 iSCSI Optimization...................................................................................................................................486

iSCSI Optimization Overview.......................................................................................................................................486

Monitoring iSCSI Trac Flows...............................................................................................................................488

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 488

Information Monitored in iSCSI Trac Flows.......................................................................................................488

Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 489

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................489

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................490

Enable and Disable iSCSI Optimization.................................................................................................................490

Default iSCSI Optimization Values................................................................................................................................491

iSCSI Optimization Prerequisites.................................................................................................................................. 491

Conguring iSCSI Optimization.................................................................................................................................... 491

Displaying iSCSI Optimization Information..................................................................................................................493

24 Intermediate System to Intermediate System.......................................................................................... 495

IS-IS Protocol Overview............................................................................................................................................... 495

IS-IS Addressing.............................................................................................................................................................495

16

Contents

Multi-Topology IS-IS...................................................................................................................................................... 496

Transition Mode....................................................................................................................................................... 496

Interface Support.....................................................................................................................................................497

Adjacencies...............................................................................................................................................................497

Graceful Restart.............................................................................................................................................................497

Timers........................................................................................................................................................................497

Implementation Information..........................................................................................................................................497

Conguration Information.............................................................................................................................................498

Conguration Tasks for IS-IS..................................................................................................................................499

Conguring the Distance of a Route.....................................................................................................................506

Changing the IS-Type.............................................................................................................................................. 507

Redistributing IPv4 Routes.....................................................................................................................................509

Redistributing IPv6 Routes......................................................................................................................................510

Conguring Authentication Passwords.................................................................................................................. 511

Setting the Overload Bit...........................................................................................................................................511

Debugging IS-IS........................................................................................................................................................512

IS-IS Metric Styles..........................................................................................................................................................513

Congure Metric Values................................................................................................................................................ 513

Maximum Values in the Routing Table................................................................................................................... 513

Change the IS-IS Metric Style in One Level Only.................................................................................................513

Leaks from One Level to Another...........................................................................................................................515

Sample Congurations...................................................................................................................................................516

25 In-Service Software Upgrade................................................................................................................... 518

ISSU Introduction........................................................................................................................................................... 518

Warmboot Limitations..............................................................................................................................................518

Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 518

L2 ISSU............................................................................................................................................................................519

L3 ISSU............................................................................................................................................................................519

CoPP............................................................................................................................................................................... 520

Mirroring ow control packets..................................................................................................................................... 520

PFC..................................................................................................................................................................................520

QoS..................................................................................................................................................................................520

Tunnel Conguration..................................................................................................................................................... 520

26 Link Aggregation Control Protocol (LACP).............................................................................................. 522

Introduction to Dynamic LAGs and LACP.................................................................................................................. 522

Important Points to Remember............................................................................................................................. 522

LACP Modes............................................................................................................................................................ 523

Conguring LACP Commands............................................................................................................................... 523

LACP Conguration Tasks............................................................................................................................................ 524

Creating a LAG.........................................................................................................................................................524

Conguring the LAG Interfaces as Dynamic........................................................................................................ 524

Setting the LACP Long Timeout........................................................................................................................... 525

Monitoring and Debugging LACP..........................................................................................................................525

Shared LAG State Tracking.......................................................................................................................................... 526

Contents

17

Conguring Shared LAG State Tracking...............................................................................................................526

Important Points about Shared LAG State Tracking........................................................................................... 528

LACP Basic Conguration Example............................................................................................................................ 528

Congure a LAG on ALPHA................................................................................................................................... 528

27 Layer 2..................................................................................................................................................... 537

Manage the MAC Address Table................................................................................................................................. 537

Clearing the MAC Address Table........................................................................................................................... 537

Setting the Aging Time for Dynamic Entries........................................................................................................ 537

Conguring a Static MAC Address........................................................................................................................538

Displaying the MAC Address Table........................................................................................................................ 538

MAC Learning Limit.......................................................................................................................................................538

Setting the MAC Learning Limit............................................................................................................................ 539

mac learning-limit Dynamic.................................................................................................................................... 539

mac learning-limit mac-address-sticky................................................................................................................. 539

mac learning-limit station-move............................................................................................................................ 540

mac learning-limit no-station-move...................................................................................................................... 540

Learning Limit Violation Actions.............................................................................................................................540

Setting Station Move Violation Actions.................................................................................................................541

Recovering from Learning Limit and Station Move Violations............................................................................541

Disabling MAC Address Learning on the System.................................................................................................542

Enabling port security............................................................................................................................................. 542

NIC Teaming................................................................................................................................................................... 542

Congure Redundant Pairs...........................................................................................................................................543

Important Points about Conguring Redundant Pairs........................................................................................ 545

Far-End Failure Detection.............................................................................................................................................546

FEFD State Changes...............................................................................................................................................547

Conguring FEFD.................................................................................................................................................... 548

Enabling FEFD on an Interface.............................................................................................................................. 548

Debugging FEFD......................................................................................................................................................549

28 Link Layer Discovery Protocol (LLDP)......................................................................................................551

802.1AB (LLDP) Overview............................................................................................................................................ 551

Protocol Data Units..................................................................................................................................................551

Optional TLVs.................................................................................................................................................................552

Management TLVs.................................................................................................................................................. 552

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 554

TIA Organizationally Specic TLVs........................................................................................................................ 554

Congure LLDP............................................................................................................................................................. 558

Related Conguration Tasks...................................................................................................................................558

Important Points to Remember............................................................................................................................. 558

LLDP Compatibility..................................................................................................................................................559

CONFIGURATION versus INTERFACE Congurations............................................................................................559

Enabling LLDP................................................................................................................................................................559

Disabling and Undoing LLDP..................................................................................................................................560

Enabling LLDP on Management Ports........................................................................................................................560

18

Contents

Disabling and Undoing LLDP on Management Ports..........................................................................................560

Advertising TLVs............................................................................................................................................................560

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................562

Reserved Unrecognized LLDP TLVs..................................................................................................................... 562

Organizational Specic Unrecognized LLDP TLVs..............................................................................................562

Viewing Unrecognized LLDP TLVs........................................................................................................................ 562

Viewing the LLDP Conguration................................................................................................................................. 563

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................563

Examples of Viewing Information Advertised by Neighbors.............................................................................. 563

Conguring LLDPDU Intervals.....................................................................................................................................565

Conguring LLDP Notication Interval....................................................................................................................... 566

Conguring Transmit and Receive Mode................................................................................................................... 566

Conguring the Time to Live Value............................................................................................................................. 567

Debugging LLDP............................................................................................................................................................567

Relevant Management Objects................................................................................................................................... 569

29 Microsoft Network Load Balancing.......................................................................................................... 574

NLB Unicast Mode Scenario........................................................................................................................................ 574

NLB Multicast Mode Scenario..................................................................................................................................... 574

Limitations of the NLB Feature....................................................................................................................................575

Microsoft Clustering......................................................................................................................................................575

Enable and Disable VLAN Flooding .............................................................................................................................575

Conguring a Switch for NLB .....................................................................................................................................575

Enabling a Switch for Multicast NLB.....................................................................................................................576

30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 577

Protocol Overview......................................................................................................................................................... 577

Anycast RP..................................................................................................................................................................... 578

Implementation Information..........................................................................................................................................579

Congure Multicast Source Discovery Protocol........................................................................................................ 579

Related Conguration Tasks................................................................................................................................... 579

Enable MSDP................................................................................................................................................................. 583

Manage the Source-Active Cache.............................................................................................................................. 584

Viewing the Source-Active Cache.........................................................................................................................584

Limiting the Source-Active Cache.........................................................................................................................584

Clearing the Source-Active Cache........................................................................................................................585

Enabling the Rejected Source-Active Cache....................................................................................................... 585

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 585

Specifying Source-Active Messages...........................................................................................................................588

Limiting the Source-Active Messages from a Peer...................................................................................................589

Preventing MSDP from Caching a Local Source.......................................................................................................589

Preventing MSDP from Caching a Remote Source.................................................................................................. 590

Preventing MSDP from Advertising a Local Source................................................................................................. 590

Logging Changes in Peership States........................................................................................................................... 591

Terminating a Peership...................................................................................................................................................591

Clearing Peer Statistics.................................................................................................................................................592

Contents

19

Debugging MSDP.......................................................................................................................................................... 592

MSDP with Anycast RP................................................................................................................................................593

Conguring Anycast RP................................................................................................................................................594

Reducing Source-Active Message Flooding........................................................................................................ 595

Specifying the RP Address Used in SA Messages..............................................................................................595

MSDP Sample Congurations......................................................................................................................................597

31 Multiple Spanning Tree Protocol (MSTP).................................................................................................600

Protocol Overview.........................................................................................................................................................600

Spanning Tree Variations............................................................................................................................................... 601

Implementation Information.................................................................................................................................... 601

Congure Multiple Spanning Tree Protocol.................................................................................................................601

Related Conguration Tasks...................................................................................................................................602

Enable Multiple Spanning Tree Globally...................................................................................................................... 602

Adding and Removing Interfaces.................................................................................................................................602

Creating Multiple Spanning Tree Instances................................................................................................................ 603

Inuencing MSTP Root Selection................................................................................................................................604

Interoperate with Non-Dell Bridges.............................................................................................................................604

Changing the Region Name or Revision.....................................................................................................................605

Modifying Global Parameters.......................................................................................................................................605

Modifying the Interface Parameters........................................................................................................................... 606

Setting STP path cost as constant............................................................................................................................. 607

Conguring an EdgePort.............................................................................................................................................. 608

Flush MAC Addresses after a Topology Change....................................................................................................... 608

MSTP Sample Congurations......................................................................................................................................609

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

CongurationSFTOS Example Running-Conguration.......................................................................................609

Debugging and Verifying MSTP Congurations......................................................................................................... 612

32 Multicast Features....................................................................................................................................614

Enabling IP Multicast......................................................................................................................................................614

Implementation Information.......................................................................................................................................... 614

Multicast Policies............................................................................................................................................................615

IPv4 Multicast Policies.............................................................................................................................................615

Understanding Multicast Traceroute (mtrace)...........................................................................................................622

Important Points to Remember............................................................................................................................. 623

Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 623

Supported Error Codes................................................................................................................................................. 624

mtrace Scenarios...........................................................................................................................................................625

33 Object Tracking........................................................................................................................................ 631

Object Tracking Overview............................................................................................................................................. 631

Track Layer 2 Interfaces..........................................................................................................................................632

Track Layer 3 Interfaces..........................................................................................................................................632

Track IPv4 and IPv6 Routes................................................................................................................................... 633

Set Tracking Delays................................................................................................................................................. 634

20

Contents

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Dell PowerSwitch S6000 Owner's manual

Dell PowerSwitch S6000 Owner's manual

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