Dell PowerSwitch S6000 ON Owner's manual

Dell Conguration Guide for the S6000–ON

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

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

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

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

Default Conguration...................................................................................................................................................... 49

Conguring a Host Name............................................................................................................................................... 49

Accessing the System Remotely....................................................................................................................................49

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

Congure the Management Port IP Address.........................................................................................................50

Congure a Management Route..............................................................................................................................50

Conguring a Username and Password..................................................................................................................50

Conguring the Enable Password...................................................................................................................................51

Conguration File Management.....................................................................................................................................52

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

Mounting an NFS File System..................................................................................................................................53

Save the Running-Conguration..............................................................................................................................54

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

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

Managing the File System.............................................................................................................................................. 56

View Command History.................................................................................................................................................. 56

Upgrading Dell EMC Networking OS.............................................................................................................................57

Using HTTP for File Transfers........................................................................................................................................ 57

Verify Software Images Before Installation...................................................................................................................58

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

Contents

3

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

Creating a Custom Privilege Level...........................................................................................................................60

Removing a Command from EXEC Mode.............................................................................................................. 60

Moving a Command from EXEC Privilege Mode to EXEC Mode....................................................................... 60

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

Allowing Access to Dierent Modes........................................................................................................................60

Applying a Privilege Level to a Username............................................................................................................... 62

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

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

Audit and Security Logs............................................................................................................................................ 63

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

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

Log Messages in the Internal Buer..............................................................................................................................66

Conguration Task List for System Log Management..........................................................................................66

Disabling System Logging...............................................................................................................................................66

Sending System Messages to a Syslog Server............................................................................................................66

Conguring a UNIX System as a Syslog Server.....................................................................................................66

Track Login Activity..........................................................................................................................................................67

Restrictions for Tracking Login Activity...................................................................................................................67

Conguring Login Activity Tracking......................................................................................................................... 67

Display Login Statistics..............................................................................................................................................68

Limit Concurrent Login Sessions....................................................................................................................................69

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 69

Conguring Concurrent Session Limit.....................................................................................................................69

Enabling the System to Clear Existing Sessions.................................................................................................... 70

Enabling Secured CLI Mode............................................................................................................................................ 71

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

Display the Logging Buer and the Logging Conguration........................................................................................ 72

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

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

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

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

Conguration Task List for File Transfer Services..................................................................................................75

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

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

Conguring FTP Client Parameters......................................................................................................................... 76

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

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

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

Setting Timeout for EXEC Privilege Mode................................................................................................................... 78

Using Telnet to get to Another Network Device..........................................................................................................79

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

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

Reloading the system...................................................................................................................................................... 80

Restoring the Factory Default Settings......................................................................................................................... 81

4

Contents

Important Points to Remember................................................................................................................................ 81

Restoring Factory Default Environment Variables.................................................................................................. 81

Viewing the Reason for Last System Reboot...............................................................................................................83

Disabling Syslog Messages for SNMP Authentication Failure Events.......................................................................83

5 802.1X..........................................................................................................................................................84

Port-Authentication Process..........................................................................................................................................86

EAP over RADIUS......................................................................................................................................................86

Conguring 802.1X........................................................................................................................................................... 87

Related Conguration Tasks..................................................................................................................................... 87

Important Points to Remember......................................................................................................................................87

Enabling 802.1X................................................................................................................................................................ 88

Conguring dot1x Prole ................................................................................................................................................89

Conguring MAC addresses for a do1x Prole.............................................................................................................90

Conguring the Static MAB and MAB Prole .............................................................................................................90

Conguring Critical VLAN .............................................................................................................................................. 91

Conguring Request Identity Re-Transmissions...........................................................................................................92

Conguring a Quiet Period after a Failed Authentication..................................................................................... 92

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 93

Re-Authenticating a Port................................................................................................................................................94

Conguring Timeouts......................................................................................................................................................95

Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 96

Guest and Authentication-Fail VLANs...........................................................................................................................97

Conguring a Guest VLAN........................................................................................................................................97

Conguring an Authentication-Fail VLAN............................................................................................................... 97

6 Access Control Lists (ACLs)........................................................................................................................ 99

IP Access Control Lists (ACLs).....................................................................................................................................100

CAM Usage................................................................................................................................................................101

Implementing ACLs on Dell EMC Networking OS................................................................................................ 101

Congure ACL Range Proles................................................................................................................................ 103

Important Points to Remember....................................................................................................................................104

Conguration Task List for Route Maps................................................................................................................104

Conguring Match Routes......................................................................................................................................106

Conguring Set Conditions..................................................................................................................................... 107

Congure a Route Map for Route Redistribution.................................................................................................108

Congure a Route Map for Route Tagging........................................................................................................... 109

Continue Clause........................................................................................................................................................109

IP Fragment Handling..................................................................................................................................................... 110

IP Fragments ACL Examples................................................................................................................................... 110

Layer 4 ACL Rules Examples................................................................................................................................... 110

Congure a Standard IP ACL..........................................................................................................................................111

Conguring a Standard IP ACL Filter......................................................................................................................112

Congure an Extended IP ACL......................................................................................................................................113

Conguring Filters with a Sequence Number........................................................................................................113

Conguring Filters Without a Sequence Number................................................................................................. 116

Contents

5

Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 116

Assign an IP ACL to an Interface...................................................................................................................................117

Applying an IP ACL..........................................................................................................................................................117

Counting ACL Hits.................................................................................................................................................... 118

Congure Ingress ACLs.................................................................................................................................................. 118

Congure Egress ACLs...................................................................................................................................................119

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 120

IP Prex Lists.................................................................................................................................................................. 120

Implementation Information..................................................................................................................................... 121

Conguration Task List for Prex Lists...................................................................................................................121

ACL Remarks.................................................................................................................................................................. 124

Conguring a Remark.............................................................................................................................................. 124

Deleting a Remark.................................................................................................................................................... 125

ACL Resequencing......................................................................................................................................................... 126

Resequencing an ACL or Prex List.......................................................................................................................126

Route Maps..................................................................................................................................................................... 127

Implementation Information.....................................................................................................................................127

Flow-Based Monitoring..................................................................................................................................................128

Behavior of Flow-Based Monitoring.......................................................................................................................128

Enabling Flow-Based Monitoring............................................................................................................................129

Conguring IP Mirror Access Group............................................................................................................................ 130

Sample Conguration................................................................................................................................................131

Example of viewing IP mirror–access–group applied to an Interface................................................................132

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 133

How BFD Works............................................................................................................................................................. 133

BFD Packet Format..................................................................................................................................................134

BFD Sessions............................................................................................................................................................ 135

BFD Three-Way Handshake.................................................................................................................................... 136

Session State Changes............................................................................................................................................138

Important Points to Remember.................................................................................................................................... 138

Congure BFD................................................................................................................................................................ 139

Congure BFD for Physical Ports...........................................................................................................................139

Congure BFD for Static Routes.............................................................................................................................141

Congure BFD for IPv6 Static Routes...................................................................................................................144

Congure BFD for OSPF......................................................................................................................................... 147

Congure BFD for OSPFv3......................................................................................................................................151

Congure BFD for IS-IS...........................................................................................................................................154

Congure BFD for BGP...........................................................................................................................................156

Congure BFD for VRRP.........................................................................................................................................164

Conguring Protocol Liveness................................................................................................................................166

8 Border Gateway Protocol (BGP).................................................................................................................167

BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 167

BGP Autonomous Systems..................................................................................................................................... 167

AS4 Number Representation.................................................................................................................................. 169

6

Contents

Four-Byte AS Numbers............................................................................................................................................ 171

BGP router ID.............................................................................................................................................................171

Sessions and Peers................................................................................................................................................... 171

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

BGP Attributes for selecting Best Path.................................................................................................................172

Multiprotocol BGP.................................................................................................................................................... 177

BGP global and address family conguration........................................................................................................178

Implement BGP with Dell EMC Networking OS...................................................................................................180

Conguration Information........................................................................................................................................183

Basic BGP conguration tasks......................................................................................................................................183

Prerequisite for conguring a BGP network......................................................................................................... 183

Restrictions............................................................................................................................................................... 184

Enabling BGP............................................................................................................................................................ 184

Enabling four-byte autonomous system numbers................................................................................................186

Changing a BGP router ID....................................................................................................................................... 187

Conguring AS4 Number Representations........................................................................................................... 187

Conguring a BGP peer...........................................................................................................................................189

Example-Conguring BGP routing between peers..............................................................................................190

BGP peer group.........................................................................................................................................................191

Advanced BGP conguration tasks..............................................................................................................................197

Route-refresh and Soft-reconguration................................................................................................................198

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

Filtering BGP............................................................................................................................................................ 202

Conguring BGP Fast Fall-Over............................................................................................................................ 209

Conguring Passive Peering................................................................................................................................... 210

Enabling Graceful Restart........................................................................................................................................ 211

Redistributing Routes...............................................................................................................................................212

Enabling Additional Paths........................................................................................................................................ 213

Conguring IP Community Lists............................................................................................................................. 214

Conguring an IP Extended Community List........................................................................................................215

Congure BGP attributes........................................................................................................................................216

Enabling Multipath...................................................................................................................................................220

Route Reectors.......................................................................................................................................................221

Enabling Route Flap Dampening............................................................................................................................ 222

Changing BGP keepalive and hold timers.............................................................................................................224

Setting the extended timer.................................................................................................................................... 225

Enabling or disabling BGP neighbors.....................................................................................................................226

Route Map Continue............................................................................................................................................... 227

Conguring BGP Confederations...........................................................................................................................227

Conguring a BGP VRF address family.................................................................................................................228

Maintaining Existing AS Numbers During an AS Migration................................................................................ 229

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 230

Enabling MBGP Congurations.............................................................................................................................. 231

MBGP support for IPv6...........................................................................................................................................231

Conguring IPv6 MBGP between peers...............................................................................................................232

Contents

7

Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 232

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 235

BGP Regular Expression Optimization..................................................................................................................236

Debugging BGP........................................................................................................................................................237

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

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

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

View CAM Proles..........................................................................................................................................................241

View CAM-ACL Settings.............................................................................................................................................. 242

View CAM Usage...........................................................................................................................................................243

Conguring CAM Threshold and Silence Period........................................................................................................244

Setting CAM Threshold and Silence Period..........................................................................................................244

CAM Optimization......................................................................................................................................................... 245

Troubleshoot CAM Proling..........................................................................................................................................245

QoS CAM Region Limitation...................................................................................................................................245

Syslog Error When the Table is Full....................................................................................................................... 246

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................246

Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................246

Unied Forwarding Table (UFT) Modes......................................................................................................................246

Conguring UFT Modes..........................................................................................................................................246

10 Control Plane Policing (CoPP)..................................................................................................................248

Congure Control Plane Policing................................................................................................................................. 249

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

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

Displaying CoPP Conguration ............................................................................................................................. 253

11 Data Center Bridging (DCB)..................................................................................................................... 255

Ethernet Enhancements in Data Center Bridging..................................................................................................... 255

Priority-Based Flow Control................................................................................................................................... 256

Enhanced Transmission Selection..........................................................................................................................257

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................258

Data Center Bridging in a Trac Flow.................................................................................................................. 259

Enabling Data Center Bridging.....................................................................................................................................259

DCB Maps and its Attributes................................................................................................................................. 260

Data Center Bridging: Default Conguration.............................................................................................................. 261

Conguring Priority-Based Flow Control.....................................................................................................................261

Conguring Lossless Queues................................................................................................................................. 262

Conguring PFC in a DCB Map................................................................................................................................... 264

PFC Conguration Notes........................................................................................................................................264

PFC Prerequisites and Restrictions.......................................................................................................................265

Applying a DCB Map on a Port....................................................................................................................................265

Conguring PFC without a DCB Map.........................................................................................................................266

Conguring Lossless QueuesExample:..................................................................................................................266

Conguring PFC Asymmetric.......................................................................................................................................267

8

Contents

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................268

Pause and Resume of Trac..................................................................................................................................268

Buer Sizes for Lossless or PFC Packets............................................................................................................ 268

Behavior of Tagged Packets.........................................................................................................................................269

Conguration Example for DSCP and PFC Priorities................................................................................................269

SNMP Support for PFC and Buer Statistics Tracking............................................................................................270

Performing PFC Using DSCP Bits Instead of 802.1p Bits..........................................................................................271

PFC and ETS Conguration Examples........................................................................................................................272

Using PFC to Manage Converged Ethernet Trac...................................................................................................272

Operations on Untagged Packets................................................................................................................................ 272

Generation of PFC for a Priority for Untagged Packets........................................................................................... 273

Congure Enhanced Transmission Selection..............................................................................................................273

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

Creating an ETS Priority Group..............................................................................................................................273

ETS Operation with DCBx.......................................................................................................................................274

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................275

Conguring ETS in a DCB Map..............................................................................................................................276

Hierarchical Scheduling in ETS Output Policies..........................................................................................................277

Using ETS to Manage Converged Ethernet Trac................................................................................................... 277

Applying DCB Policies in a Switch Stack.................................................................................................................... 278

Congure a DCBx Operation........................................................................................................................................ 278

DCBx Operation....................................................................................................................................................... 278

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

DCB Conguration Exchange................................................................................................................................ 280

Conguration Source Election............................................................................................................................... 280

Propagation of DCB Information............................................................................................................................ 281

Auto-Detection and Manual Conguration of the DCBx Version....................................................................... 281

DCBx Example.......................................................................................................................................................... 281

DCBx Prerequisites and Restrictions.....................................................................................................................282

Conguring DCBx.................................................................................................................................................... 282

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

QoS dot1p Trac Classication and Queue Assignment..........................................................................................294

Conguring the Dynamic Buer Method................................................................................................................... 295

Sample DCB Conguration...........................................................................................................................................296

PFC and ETS Conguration Command Examples...............................................................................................297

12 Dynamic Host Conguration Protocol (DHCP).........................................................................................298

DHCP Packet Format and Options............................................................................................................................. 298

Assign an IP Address using DHCP...............................................................................................................................300

Implementation Information.......................................................................................................................................... 301

Congure the System to be a DHCP Server.............................................................................................................. 301

Conguring the Server for Automatic Address Allocation..................................................................................302

Specifying a Default Gateway................................................................................................................................ 303

Congure a Method of Hostname Resolution..................................................................................................... 304

Using DNS for Address Resolution........................................................................................................................304

Using NetBIOS WINS for Address Resolution..................................................................................................... 304

Contents

9

Creating Manual Binding Entries............................................................................................................................304

Debugging the DHCP Server.................................................................................................................................305

Using DHCP Clear Commands.............................................................................................................................. 305

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

Conguring the DHCP Client System...................................................................................................................306

DHCP Client on a Management Interface............................................................................................................ 307

DHCP Client Operation with Other Features.......................................................................................................308

DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................309

Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 309

Non-default VRF conguration for DHCPv6 helper address....................................................................................310

Conguring DHCP relay source interface....................................................................................................................310

Global DHCP relay source IPv4 or IPv6 conguration ........................................................................................310

Interface level DHCP relay source IPv4 or IPv6 conguration ........................................................................... 311

Congure the System for User Port Stacking (Option 230).................................................................................... 312

Congure Secure DHCP................................................................................................................................................312

Option 82...................................................................................................................................................................313

DHCPv6 relay agent options...................................................................................................................................313

DHCP Snooping........................................................................................................................................................314

Drop DHCP Packets on Snooped VLANs Only.....................................................................................................318

Dynamic ARP Inspection......................................................................................................................................... 319

Conguring Dynamic ARP Inspection....................................................................................................................319

Source Address Validation............................................................................................................................................. 321

Enabling IP Source Address Validation...................................................................................................................321

DHCP MAC Source Address Validation................................................................................................................ 322

Enabling IP+MAC Source Address Validation.......................................................................................................322

Viewing the Number of SAV Dropped Packets....................................................................................................323

Clearing the Number of SAV Dropped Packets................................................................................................... 323

13 Equal Cost Multi-Path (ECMP)................................................................................................................ 324

ECMP for Flow-Based Anity..................................................................................................................................... 324

Conguring the Hash Algorithm............................................................................................................................ 324

Enabling Deterministic ECMP Next Hop...............................................................................................................324

Conguring the Hash Algorithm Seed.................................................................................................................. 325

Link Bundle Monitoring................................................................................................................................................. 325

Managing ECMP Group Paths...............................................................................................................................326

Creating an ECMP Group Bundle..........................................................................................................................326

Modifying the ECMP Group Threshold.................................................................................................................326

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table...................................... 327

Support for ECMP in host table............................................................................................................................ 328

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 328

14 FIP Snooping............................................................................................................................................329

Fibre Channel over Ethernet........................................................................................................................................ 329

Ensure Robustness in a Converged Ethernet Network............................................................................................329

FIP Snooping on Ethernet Bridges...............................................................................................................................331

Using FIP Snooping....................................................................................................................................................... 333

10

Contents

FIP Snooping Prerequisites.....................................................................................................................................333

Important Points to Remember..............................................................................................................................333

Enabling the FCoE Transit Feature........................................................................................................................334

Enable FIP Snooping on VLANs.............................................................................................................................334

Congure the FC-MAP Value................................................................................................................................ 335

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................335

Congure a Port for a Bridge-to-FCF Link...........................................................................................................335

Impact on Other Software Features..................................................................................................................... 335

FIP Snooping Restrictions...................................................................................................................................... 336

Conguring FIP Snooping.......................................................................................................................................336

Displaying FIP Snooping Information........................................................................................................................... 337

FCoE Transit Conguration Example...........................................................................................................................342

15 Flex Hash and Optimized Boot-Up............................................................................................................344

Flex Hash Capability Overview.....................................................................................................................................344

Conguring the Flex Hash Mechanism.......................................................................................................................344

Conguring Fast Boot and LACP Fast Switchover...................................................................................................345

Optimizing the Boot Time.............................................................................................................................................345

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................345

Guidelines for Conguring Optimized Booting Mechanism................................................................................346

Interoperation of Applications with Fast Boot and System States.......................................................................... 347

LACP and IPv4 Routing.......................................................................................................................................... 347

LACP and IPv6 Routing.......................................................................................................................................... 347

BGP Graceful Restart............................................................................................................................................. 348

Cold Boot Caused by Power Cycling the System................................................................................................348

Unexpected Reload of the System........................................................................................................................348

Software Upgrade................................................................................................................................................... 348

LACP Fast Switchover............................................................................................................................................348

Changes to BGP Multipath.................................................................................................................................... 349

Delayed Installation of ECMP Routes Into BGP...................................................................................................349

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 349

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................350

16 Force10 Resilient Ring Protocol (FRRP)....................................................................................................351

Protocol Overview..........................................................................................................................................................351

Ring Status............................................................................................................................................................... 352

Multiple FRRP Rings............................................................................................................................................... 352

Important FRRP Points...........................................................................................................................................353

Important FRRP Concepts.....................................................................................................................................354

Implementing FRRP...................................................................................................................................................... 355

FRRP Conguration...................................................................................................................................................... 355

Creating the FRRP Group...................................................................................................................................... 355

Conguring the Control VLAN...............................................................................................................................355

Conguring and Adding the Member VLANs.......................................................................................................357

Setting the FRRP Timers........................................................................................................................................358

Clearing the FRRP Counters..................................................................................................................................358

Contents

11

Viewing the FRRP Conguration...........................................................................................................................358

Viewing the FRRP Information.............................................................................................................................. 358

Troubleshooting FRRP.................................................................................................................................................. 359

Conguration Checks..............................................................................................................................................359

Sample Conguration and Topology............................................................................................................................359

FRRP Support on VLT.................................................................................................................................................. 360

Example Scenario..................................................................................................................................................... 361

Important Points to Remember............................................................................................................................. 362

17 GARP VLAN Registration Protocol (GVRP)..............................................................................................363

Important Points to Remember................................................................................................................................... 363

Congure GVRP............................................................................................................................................................ 364

Related Conguration Tasks...................................................................................................................................364

Enabling GVRP Globally................................................................................................................................................365

Enabling GVRP on a Layer 2 Interface........................................................................................................................365

Congure GVRP Registration...................................................................................................................................... 365

Congure a GARP Timer.............................................................................................................................................. 366

18 Internet Group Management Protocol (IGMP)..........................................................................................367

IGMP Implementation Information...............................................................................................................................367

IGMP Protocol Overview.............................................................................................................................................. 367

IGMP Version 2........................................................................................................................................................ 367

IGMP Version 3........................................................................................................................................................369

Congure IGMP............................................................................................................................................................. 372

Related Conguration Tasks................................................................................................................................... 372

Viewing IGMP Enabled Interfaces............................................................................................................................... 373

Selecting an IGMP Version........................................................................................................................................... 373

Viewing IGMP Groups................................................................................................................................................... 374

Adjusting Timers.............................................................................................................................................................374

Adjusting Query and Response Timers..................................................................................................................374

Enabling IGMP Immediate-Leave.................................................................................................................................375

IGMP Snooping.............................................................................................................................................................. 376

IGMP Snooping Implementation Information....................................................................................................... 376

Conguring IGMP Snooping...................................................................................................................................376

Removing a Group-Port Association..................................................................................................................... 377

Disabling Multicast Flooding................................................................................................................................... 377

Specifying a Port as Connected to a Multicast Router.......................................................................................377

Conguring the Switch as Querier.........................................................................................................................378

Fast Convergence after MSTP Topology Changes................................................................................................... 378

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................ 378

Protocol Separation................................................................................................................................................. 379

Enabling and Disabling Management Egress Interface Selection...................................................................... 380

Handling of Management Route Conguration....................................................................................................381

Handling of Switch-Initiated Trac........................................................................................................................381

Handling of Switch-Destined Trac......................................................................................................................382

Handling of Transit Trac (Trac Separation).................................................................................................... 383

12

Contents

Mapping of Management Applications and Trac Type.....................................................................................383

Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 384

Behavior of Various Applications for Switch-Destined Trac .......................................................................... 385

Interworking of EIS With Various Applications.....................................................................................................385

Designating a Multicast Router Interface...................................................................................................................386

19 Interfaces................................................................................................................................................. 387

Basic Interface Conguration....................................................................................................................................... 387

Advanced Interface Conguration............................................................................................................................... 387

Interface Types...............................................................................................................................................................388

View Basic Interface Information.................................................................................................................................388

Resetting an Interface to its Factory Default State...................................................................................................390

Enabling a Physical Interface........................................................................................................................................ 391

Physical Interfaces......................................................................................................................................................... 391

Conguration Task List for Physical Interfaces.....................................................................................................391

40G to 1G Breakout Cable Adaptor........................................................................................................................391

Overview of Layer Modes...................................................................................................................................... 392

Conguring Layer 2 (Data Link) Mode..................................................................................................................393

Conguring Layer 2 (Interface) Mode.................................................................................................................. 393

Conguring Layer 3 (Network) Mode...................................................................................................................393

Conguring Layer 3 (Interface) Mode.................................................................................................................. 394

Automatic recovery of an Err-disabled interface.......................................................................................................395

Conguring an automatic recovery for an Err-disabled interface......................................................................395

Egress Interface Selection (EIS)..................................................................................................................................396

Important Points to Remember............................................................................................................................. 396

Conguring EIS........................................................................................................................................................ 396

Management Interfaces................................................................................................................................................397

Conguring Management Interfaces.....................................................................................................................397

Conguring a Management Interface on an Ethernet Port............................................................................... 398

VLAN Interfaces............................................................................................................................................................ 399

Loopback Interfaces......................................................................................................................................................400

Null Interfaces................................................................................................................................................................ 400

Port Channel Interfaces................................................................................................................................................400

Port Channel Denition and Standards................................................................................................................. 401

Port Channel Benets..............................................................................................................................................401

Port Channel Implementation................................................................................................................................. 401

Interfaces in Port Channels.................................................................................................................................... 402

Conguration Tasks for Port Channel Interfaces.................................................................................................402

Creating a Port Channel..........................................................................................................................................402

Adding a Physical Interface to a Port Channel.....................................................................................................403

Reassigning an Interface to a New Port Channel................................................................................................404

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 405

Adding or Removing a Port Channel from a VLAN............................................................................................. 405

Assigning an IP Address to a Port Channel.......................................................................................................... 406

Deleting or Disabling a Port Channel..................................................................................................................... 407

Load Balancing Through Port Channels................................................................................................................407

Contents

13

Changing the Hash Algorithm................................................................................................................................ 407

Bulk Conguration......................................................................................................................................................... 408

Interface Range....................................................................................................................................................... 408

Bulk Conguration Examples..................................................................................................................................409

Dening Interface Range Macros.................................................................................................................................410

Dene the Interface Range......................................................................................................................................411

Choosing an Interface-Range Macro......................................................................................................................411

Monitoring and Maintaining Interfaces.........................................................................................................................411

Maintenance Using TDR..........................................................................................................................................412

Non Dell-Qualied Transceivers....................................................................................................................................413

Splitting 40G Ports without Reload............................................................................................................................. 413

Splitting QSFP Ports to SFP+ Ports............................................................................................................................415

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port...................................................................................416

Important Points to Remember.............................................................................................................................. 416

Example Scenarios....................................................................................................................................................417

Conguring wavelength for 10–Gigabit SFP+ optics.................................................................................................418

Link Dampening.............................................................................................................................................................. 418

Important Points to Remember.............................................................................................................................. 419

Conguration Example of Link Dampening........................................................................................................... 419

Enabling Link Dampening.........................................................................................................................................421

Link Bundle Monitoring................................................................................................................................................. 422

Using Ethernet Pause Frames for Flow Control........................................................................................................ 423

Enabling Pause Frames........................................................................................................................................... 423

Congure the MTU Size on an Interface....................................................................................................................424

Port-Pipes.......................................................................................................................................................................425

Auto-Negotiation on Ethernet Interfaces...................................................................................................................425

Setting the Speed of Ethernet Interfaces............................................................................................................ 425

Set Auto-Negotiation Options................................................................................................................................426

View Advanced Interface Information......................................................................................................................... 427

Conguring the Interface Sampling Size.............................................................................................................. 428

Dynamic Counters......................................................................................................................................................... 429

Clearing Interface Counters....................................................................................................................................429

Compressing Conguration Files................................................................................................................................. 430

20 IPv4 Routing............................................................................................................................................433

IP Addresses...................................................................................................................................................................434

Implementation Information....................................................................................................................................434

Conguration Tasks for IP Addresses..........................................................................................................................434

Assigning IP Addresses to an Interface.......................................................................................................................434

Conguring Static Routes............................................................................................................................................ 435

Congure Static Routes for the Management Interface..........................................................................................436

Using the Congured Source IP Address in ICMP Messages.................................................................................. 437

Conguring the ICMP Source Interface................................................................................................................437

Conguring the Duration to Establish a TCP Connection.........................................................................................437

Enabling Directed Broadcast........................................................................................................................................ 438

Resolution of Host Names............................................................................................................................................438

14

Contents

Enabling Dynamic Resolution of Host Names............................................................................................................438

Specifying the Local System Domain and a List of Domains................................................................................... 439

Conguring DNS with Traceroute................................................................................................................................439

ARP................................................................................................................................................................................. 440

Conguration Tasks for ARP........................................................................................................................................ 440

Conguring Static ARP Entries....................................................................................................................................440

Enabling Proxy ARP........................................................................................................................................................441

Clearing ARP Cache.......................................................................................................................................................441

ARP Learning via Gratuitous ARP................................................................................................................................ 441

Enabling ARP Learning via Gratuitous ARP................................................................................................................442

ARP Learning via ARP Request................................................................................................................................... 442

Conguring ARP Retries...............................................................................................................................................443

ICMP............................................................................................................................................................................... 443

Conguration Tasks for ICMP...................................................................................................................................... 443

Enabling ICMP Unreachable Messages...................................................................................................................... 443

ICMP Redirects..............................................................................................................................................................444

UDP Helper.....................................................................................................................................................................445

Congure UDP Helper.............................................................................................................................................445

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

Enabling UDP Helper.....................................................................................................................................................445

Congurations Using UDP Helper............................................................................................................................... 445

UDP Helper with Broadcast-All Addresses.................................................................................................................446

UDP Helper with Subnet Broadcast Addresses.........................................................................................................446

UDP Helper with Congured Broadcast Addresses.................................................................................................. 447

UDP Helper with No Congured Broadcast Addresses............................................................................................447

Troubleshooting UDP Helper........................................................................................................................................ 448

21 IPv6 Routing............................................................................................................................................ 449

Protocol Overview.........................................................................................................................................................449

Extended Address Space........................................................................................................................................450

Stateless Autoconguration................................................................................................................................... 450

IPv6 Headers............................................................................................................................................................450

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support.................................................................... 451

IPv6 Header Fields...................................................................................................................................................452

Extension Header Fields..........................................................................................................................................454

Addressing................................................................................................................................................................455

Implementing IPv6 with Dell EMC Networking OS...................................................................................................456

ICMPv6........................................................................................................................................................................... 457

Path MTU discovery..................................................................................................................................................... 458

IPv6 Neighbor Discovery..............................................................................................................................................458

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................459

Conguring the IPv6 Recursive DNS Server....................................................................................................... 459

Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................460

Displaying IPv6 RDNSS Information......................................................................................................................460

Secure Shell (SSH) Over an IPv6 Transport...............................................................................................................461

Conguration Tasks for IPv6.........................................................................................................................................461

Contents

15

Adjusting Your CAM-Prole.....................................................................................................................................461

Assigning an IPv6 Address to an Interface...........................................................................................................462

Assigning a Static IPv6 Route................................................................................................................................463

Conguring Telnet with IPv6..................................................................................................................................463

SNMP over IPv6......................................................................................................................................................464

Displaying IPv6 Information....................................................................................................................................464

Displaying an IPv6 Interface Information.............................................................................................................. 464

Showing IPv6 Routes..............................................................................................................................................465

Showing the Running-Conguration for an Interface.........................................................................................466

Clearing IPv6 Routes............................................................................................................................................... 467

Disabling ND Entry Timeout................................................................................................................................... 467

Conguring IPv6 RA Guard.......................................................................................................................................... 467

Conguring IPv6 RA Guard on an Interface.........................................................................................................469

Monitoring IPv6 RA Guard......................................................................................................................................470

22 iSCSI Optimization................................................................................................................................... 471

iSCSI Optimization Overview........................................................................................................................................471

Monitoring iSCSI Trac Flows............................................................................................................................... 473

Application of Quality of Service to iSCSI Trac Flows......................................................................................473

Information Monitored in iSCSI Trac Flows....................................................................................................... 473

Detection and Auto-Conguration for Dell EqualLogic Arrays............................................................................474

Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 474

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................475

Enable and Disable iSCSI Optimization................................................................................................................. 475

Default iSCSI Optimization Values............................................................................................................................... 476

iSCSI Optimization Prerequisites..................................................................................................................................476

Conguring iSCSI Optimization....................................................................................................................................476

Displaying iSCSI Optimization Information..................................................................................................................478

23 Intermediate System to Intermediate System.......................................................................................... 480

IS-IS Protocol Overview............................................................................................................................................... 480

IS-IS Addressing.............................................................................................................................................................480

Multi-Topology IS-IS....................................................................................................................................................... 481

Transition Mode........................................................................................................................................................ 481

Interface Support.....................................................................................................................................................482

Adjacencies...............................................................................................................................................................482

Graceful Restart.............................................................................................................................................................482

Timers........................................................................................................................................................................482

Implementation Information..........................................................................................................................................482

Conguration Information.............................................................................................................................................483

Conguration Tasks for IS-IS..................................................................................................................................484

Conguring the Distance of a Route......................................................................................................................491

Changing the IS-Type.............................................................................................................................................. 492

Redistributing IPv4 Routes.....................................................................................................................................494

Redistributing IPv6 Routes.....................................................................................................................................495

Conguring Authentication Passwords.................................................................................................................496

16

Contents

Setting the Overload Bit......................................................................................................................................... 496

Debugging IS-IS....................................................................................................................................................... 497

IS-IS Metric Styles.........................................................................................................................................................498

Congure Metric Values............................................................................................................................................... 498

Maximum Values in the Routing Table.................................................................................................................. 498

Change the IS-IS Metric Style in One Level Only................................................................................................498

Leaks from One Level to Another..........................................................................................................................500

Sample Congurations...................................................................................................................................................501

24 Link Aggregation Control Protocol (LACP).............................................................................................. 503

Introduction to Dynamic LAGs and LACP.................................................................................................................. 503

Important Points to Remember............................................................................................................................. 503

LACP Modes............................................................................................................................................................504

Conguring LACP Commands...............................................................................................................................504

LACP Conguration Tasks............................................................................................................................................505

Creating a LAG........................................................................................................................................................ 505

Conguring the LAG Interfaces as Dynamic........................................................................................................505

Setting the LACP Long Timeout........................................................................................................................... 506

Monitoring and Debugging LACP..........................................................................................................................506

Shared LAG State Tracking.......................................................................................................................................... 507

Conguring Shared LAG State Tracking............................................................................................................... 507

Important Points about Shared LAG State Tracking...........................................................................................509

LACP Basic Conguration Example............................................................................................................................ 509

Congure a LAG on ALPHA...................................................................................................................................509

25 Layer 2..................................................................................................................................................... 518

Manage the MAC Address Table.................................................................................................................................. 518

Clearing the MAC Address Table............................................................................................................................518

Setting the Aging Time for Dynamic Entries.........................................................................................................518

Conguring a Static MAC Address.........................................................................................................................519

Displaying the MAC Address Table.........................................................................................................................519

MAC Learning Limit........................................................................................................................................................519

Setting the MAC Learning Limit............................................................................................................................ 520

mac learning-limit Dynamic.................................................................................................................................... 520

mac learning-limit mac-address-sticky................................................................................................................. 520

mac learning-limit station-move............................................................................................................................. 521

mac learning-limit no-station-move....................................................................................................................... 521

Learning Limit Violation Actions..............................................................................................................................521

Setting Station Move Violation Actions................................................................................................................ 522

Recovering from Learning Limit and Station Move Violations........................................................................... 522

Disabling MAC Address Learning on the System.................................................................................................523

Enabling port security............................................................................................................................................. 523

NIC Teaming................................................................................................................................................................... 523

Congure Redundant Pairs...........................................................................................................................................524

Important Points about Conguring Redundant Pairs........................................................................................ 526

Far-End Failure Detection............................................................................................................................................. 527

Contents

17

FEFD State Changes...............................................................................................................................................528

Conguring FEFD.................................................................................................................................................... 529

Enabling FEFD on an Interface.............................................................................................................................. 530

Debugging FEFD.......................................................................................................................................................531

26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 532

802.1AB (LLDP) Overview............................................................................................................................................532

Protocol Data Units................................................................................................................................................. 532

Optional TLVs.................................................................................................................................................................533

Management TLVs.................................................................................................................................................. 533

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 535

TIA Organizationally Specic TLVs........................................................................................................................ 535

Congure LLDP............................................................................................................................................................. 539

Related Conguration Tasks...................................................................................................................................539

Important Points to Remember............................................................................................................................. 539

LLDP Compatibility..................................................................................................................................................540

CONFIGURATION versus INTERFACE Congurations............................................................................................ 540

Enabling LLDP................................................................................................................................................................540

Disabling and Undoing LLDP...................................................................................................................................541

Enabling LLDP on Management Ports.........................................................................................................................541

Disabling and Undoing LLDP on Management Ports...........................................................................................541

Advertising TLVs.............................................................................................................................................................541

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................543

Reserved Unrecognized LLDP TLVs..................................................................................................................... 543

Organizational Specic Unrecognized LLDP TLVs..............................................................................................543

Viewing Unrecognized LLDP TLVs........................................................................................................................ 543

Viewing the LLDP Conguration................................................................................................................................. 544

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................544

Examples of Viewing Information Advertised by Neighbors...............................................................................544

Conguring LLDPDU Intervals.....................................................................................................................................546

Conguring LLDP Notication Interval....................................................................................................................... 547

Conguring Transmit and Receive Mode....................................................................................................................547

Conguring the Time to Live Value............................................................................................................................. 548

Debugging LLDP............................................................................................................................................................548

Relevant Management Objects................................................................................................................................... 550

27 Microsoft Network Load Balancing.......................................................................................................... 555

NLB Unicast Mode Scenario........................................................................................................................................555

NLB Multicast Mode Scenario.....................................................................................................................................555

Limitations of the NLB Feature....................................................................................................................................556

Microsoft Clustering......................................................................................................................................................556

Enable and Disable VLAN Flooding ............................................................................................................................ 556

Conguring a Switch for NLB .....................................................................................................................................556

Enabling a Switch for Multicast NLB.................................................................................................................... 557

28 Multicast Source Discovery Protocol (MSDP)......................................................................................... 558

18

Contents

Protocol Overview.........................................................................................................................................................558

Anycast RP.....................................................................................................................................................................559

Implementation Information......................................................................................................................................... 560

Congure Multicast Source Discovery Protocol........................................................................................................560

Related Conguration Tasks...................................................................................................................................560

Enable MSDP................................................................................................................................................................. 564

Manage the Source-Active Cache..............................................................................................................................565

Viewing the Source-Active Cache........................................................................................................................ 565

Limiting the Source-Active Cache.........................................................................................................................565

Clearing the Source-Active Cache........................................................................................................................566

Enabling the Rejected Source-Active Cache....................................................................................................... 566

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 566

Specifying Source-Active Messages...........................................................................................................................569

Limiting the Source-Active Messages from a Peer...................................................................................................570

Preventing MSDP from Caching a Local Source.......................................................................................................570

Preventing MSDP from Caching a Remote Source................................................................................................... 571

Preventing MSDP from Advertising a Local Source.................................................................................................. 571

Logging Changes in Peership States...........................................................................................................................572

Terminating a Peership..................................................................................................................................................572

Clearing Peer Statistics.................................................................................................................................................573

Debugging MSDP.......................................................................................................................................................... 573

MSDP with Anycast RP................................................................................................................................................ 574

Conguring Anycast RP................................................................................................................................................575

Reducing Source-Active Message Flooding.........................................................................................................576

Specifying the RP Address Used in SA Messages.............................................................................................. 576

MSDP Sample Congurations......................................................................................................................................578

33 Multicast Listener Discovery Protocol...................................................................................................... 581

MLD Version 1................................................................................................................................................................. 581

MLD Querier Router.......................................................................................................................................................581

Joining a Multicast Group.............................................................................................................................................582

Leaving a Multicast Group............................................................................................................................................582

MLD version 2................................................................................................................................................................582

MLD timers.....................................................................................................................................................................584

Reducing Host Response Burstiness.................................................................................................................... 585

Conguring MLD Version............................................................................................................................................. 585

Clearing MLD groups.................................................................................................................................................... 585

Debugging MLD.............................................................................................................................................................585

Explicit Tracking.............................................................................................................................................................585

Reducing Leave Latency...............................................................................................................................................586

Displaying MLD groups table........................................................................................................................................586

Displaying MLD Interfaces............................................................................................................................................586

30 Multiple Spanning Tree Protocol (MSTP).................................................................................................587

Protocol Overview......................................................................................................................................................... 587

Spanning Tree Variations.............................................................................................................................................. 588

Contents

19

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

Congure Multiple Spanning Tree Protocol................................................................................................................588

Related Conguration Tasks...................................................................................................................................589

Enable Multiple Spanning Tree Globally...................................................................................................................... 589

Adding and Removing Interfaces.................................................................................................................................589

Creating Multiple Spanning Tree Instances................................................................................................................ 590

Inuencing MSTP Root Selection................................................................................................................................ 591

Interoperate with Non-Dell Bridges.............................................................................................................................592

Changing the Region Name or Revision..................................................................................................................... 592

Modifying Global Parameters....................................................................................................................................... 592

Modifying the Interface Parameters........................................................................................................................... 594

Setting STP path cost as constant.............................................................................................................................595

Conguring an EdgePort.............................................................................................................................................. 595

Flush MAC Addresses after a Topology Change....................................................................................................... 596

MSTP Sample Congurations......................................................................................................................................596

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

CongurationSFTOS Example Running-Conguration.......................................................................................596

Debugging and Verifying MSTP Congurations........................................................................................................ 600

31 Multicast Features....................................................................................................................................603

Enabling IP Multicast.....................................................................................................................................................603

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

Multicast Policies...........................................................................................................................................................604

IPv4 Multicast Policies............................................................................................................................................604

Understanding Multicast Traceroute (mtrace)............................................................................................................ 611

Important Points to Remember.............................................................................................................................. 612

Printing Multicast Traceroute (mtrace) Paths............................................................................................................ 612

Supported Error Codes..................................................................................................................................................613

mtrace Scenarios............................................................................................................................................................614

33 Multicast Listener Discovery Protocol..................................................................................................... 620

MLD Version 1................................................................................................................................................................ 620

MLD Querier Router......................................................................................................................................................620

Joining a Multicast Group..............................................................................................................................................621

Leaving a Multicast Group.............................................................................................................................................621

MLD version 2.................................................................................................................................................................621

MLD timers.....................................................................................................................................................................623

Reducing Host Response Burstiness.................................................................................................................... 624

Clearing MLD groups.....................................................................................................................................................624

Debugging MLD............................................................................................................................................................. 624

Explicit Tracking............................................................................................................................................................. 624

Reducing Leave Latency...............................................................................................................................................624

Displaying MLD groups table........................................................................................................................................625

Displaying MLD Interfaces............................................................................................................................................625

MLD Snooping............................................................................................................................................................... 625

Enable MLD Snooping.............................................................................................................................................625

20

Contents

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