Dell PowerSwitch S6000 User guide

Dell Conguration Guide for the S6000 System

9.14.0.0

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.

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2018 - 07

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.........................................................................................................................................................................39

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.................................................................................................................................. 46

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

Conguring alias command.............................................................................................................................................47

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Contents

3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

4

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Contents

5

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

6

Contents

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

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

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

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

Border Gateway Protocol version 4 (BGPv4)............................................................................................................. 174

Autonomous Systems (AS)............................................................................................................................................174

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

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

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

MBGP for IPv4 MulticastBGP Address Family modelIPv4 and IPv6 address family....................................... 179

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

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

Implementing BGP global and address family.............................................................................................................180

BGP global conguration default values.................................................................................................................181

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

Best Path Selection Criteria....................................................................................................................................182

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

Local Preference.......................................................................................................................................................184

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

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

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

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

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

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

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

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

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

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

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

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

Conguring a basic BGP network................................................................................................................................ 190

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

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

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

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

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

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

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

Filtering BGP Routes Using Route Maps..............................................................................................................202

Filtering BGP Routes Using AS-PATH Information..............................................................................................202

Conguring Peer Groups........................................................................................................................................ 203

Conguring BGP Fast Fall-Over..............................................................................................................................211

Conguring Passive Peering................................................................................................................................... 212

Maintaining Existing AS Numbers During an AS Migration................................................................................. 213

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 214

Contents

7

Enabling Graceful Restart........................................................................................................................................215

Filtering on an AS-Path Attribute........................................................................................................................... 216

Regular Expressions as Filters.................................................................................................................................217

Redistributing Routes...............................................................................................................................................218

Enabling Additional Paths........................................................................................................................................ 219

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

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

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

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

Changing MED Attributes.......................................................................................................................................223

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

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes.............224

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

Enabling Multipath...................................................................................................................................................225

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

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

Enabling Route Flap Dampening............................................................................................................................ 227

Changing BGP Timers.............................................................................................................................................230

Setting the extended timer.................................................................................................................................... 230

Enabling or disabling BGP neighbors......................................................................................................................231

Route Map Continue............................................................................................................................................... 232

Enabling MBGP Congurations....................................................................................................................................233

MBGP support for IPv6................................................................................................................................................233

Conguring IPv6 MBGP between peers.....................................................................................................................233

Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 234

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor............................................... 236

BGP Regular Expression Optimization........................................................................................................................238

Debugging BGP..............................................................................................................................................................238

Storing Last and Bad PDUs....................................................................................................................................239

Capturing PDUs....................................................................................................................................................... 240

PDU Counters........................................................................................................................................................... 241

10 Content Addressable Memory (CAM).......................................................................................................242

CAM Allocation...............................................................................................................................................................242

Test CAM Usage............................................................................................................................................................ 244

View CAM Proles.........................................................................................................................................................244

View CAM-ACL Settings.............................................................................................................................................. 245

View CAM Usage...........................................................................................................................................................246

Conguring CAM Threshold and Silence Period........................................................................................................ 247

Setting CAM Threshold and Silence Period..........................................................................................................247

CAM Optimization......................................................................................................................................................... 248

Troubleshoot CAM Proling..........................................................................................................................................248

QoS CAM Region Limitation...................................................................................................................................248

Syslog Error When the Table is Full....................................................................................................................... 249

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................249

Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................249

8

Contents

Unied Forwarding Table (UFT) Modes......................................................................................................................249

Conguring UFT Modes..........................................................................................................................................249

11 Control Plane Policing (CoPP)...................................................................................................................251

Congure Control Plane Policing................................................................................................................................. 252

Conguring CoPP for Protocols............................................................................................................................ 253

Conguring CoPP for CPU Queues...................................................................................................................... 255

Protocol to CPU Queue Mapping..........................................................................................................................256

Conguring Protocol to CPU Queue Mapping.....................................................................................................256

Displaying CoPP Conguration ............................................................................................................................. 257

12 Data Center Bridging (DCB).....................................................................................................................259

Ethernet Enhancements in Data Center Bridging..................................................................................................... 259

Priority-Based Flow Control................................................................................................................................... 260

Enhanced Transmission Selection.......................................................................................................................... 261

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................262

Data Center Bridging in a Trac Flow...................................................................................................................263

Enabling Data Center Bridging.....................................................................................................................................263

DCB Maps and its Attributes..................................................................................................................................264

Data Center Bridging: Default Conguration..............................................................................................................265

Conguring Priority-Based Flow Control....................................................................................................................265

Conguring Lossless Queues....................................................................................................................................... 266

Conguring PFC in a DCB Map................................................................................................................................... 268

PFC Conguration Notes........................................................................................................................................268

PFC Prerequisites and Restrictions.......................................................................................................................269

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

Conguring Lossless QueuesExample:..................................................................................................................269

Priority-Based Flow Control Using Dynamic Buer Method...............................................................................271

Behavior of Tagged Packets......................................................................................................................................... 272

Conguration Example for DSCP and PFC Priorities................................................................................................272

SNMP Support for PFC and Buer Statistics Tracking............................................................................................273

Performing PFC Using DSCP Bits Instead of 802.1p Bits......................................................................................... 274

PFC and ETS Conguration Examples........................................................................................................................ 274

Using PFC to Manage Converged Ethernet Trac................................................................................................... 274

Operations on Untagged Packets................................................................................................................................275

Generation of PFC for a Priority for Untagged Packets...........................................................................................275

Congure Enhanced Transmission Selection..............................................................................................................275

ETS Prerequisites and Restrictions........................................................................................................................275

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

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

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................277

Conguring ETS in a DCB Map..............................................................................................................................278

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 279

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

Applying DCB Policies in a Switch Stack.................................................................................................................... 280

Congure a DCBx Operation........................................................................................................................................280

Contents

9

DCBx Operation.......................................................................................................................................................280

DCBx Port Roles.......................................................................................................................................................281

DCB Conguration Exchange.................................................................................................................................282

Conguration Source Election................................................................................................................................282

Propagation of DCB Information............................................................................................................................283

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 283

DCBx Example..........................................................................................................................................................284

DCBx Prerequisites and Restrictions.....................................................................................................................284

Conguring DCBx....................................................................................................................................................284

Verifying the DCB Conguration................................................................................................................................. 288

QoS dot1p Trac Classication and Queue Assignment..........................................................................................296

Conguring the Dynamic Buer Method....................................................................................................................297

Sample DCB Conguration...........................................................................................................................................298

PFC and ETS Conguration Command Examples.............................................................................................. 300

13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................301

DHCP Packet Format and Options.............................................................................................................................. 301

Assign an IP Address using DHCP...............................................................................................................................303

Implementation Information..........................................................................................................................................304

Congure the System to be a DHCP Server............................................................................................................. 304

Conguring the Server for Automatic Address Allocation..................................................................................305

Specifying a Default Gateway................................................................................................................................306

Congure a Method of Hostname Resolution..................................................................................................... 306

Using DNS for Address Resolution........................................................................................................................306

Using NetBIOS WINS for Address Resolution......................................................................................................307

Creating Manual Binding Entries............................................................................................................................307

Debugging the DHCP Server................................................................................................................................. 307

Using DHCP Clear Commands.............................................................................................................................. 308

Congure the System to be a DHCP Client...............................................................................................................308

Conguring the DHCP Client System...................................................................................................................308

DHCP Client on a Management Interface.............................................................................................................310

DHCP Client Operation with Other Features........................................................................................................310

DHCP Relay When DHCP Server and Client are in Dierent VRFs..........................................................................311

Conguring Route Leaking between VRFs on DHCP Relay Agent.....................................................................311

Congure the System for User Port Stacking (Option 230).................................................................................... 313

Congure Secure DHCP................................................................................................................................................313

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

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

Conguring the DHCP secondary-subnet.............................................................................................................318

Drop DHCP Packets on Snooped VLANs Only.....................................................................................................319

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

Conguring Dynamic ARP Inspection................................................................................................................... 320

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

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

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

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

10

Contents

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

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

14 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

RTAG7............................................................................................................................................................................. 328

Flow-based Hashing for ECMP................................................................................................................................... 329

15 FIP Snooping............................................................................................................................................332

Fibre Channel over Ethernet........................................................................................................................................ 332

Ensure Robustness in a Converged Ethernet Network............................................................................................ 332

FIP Snooping on Ethernet Bridges.............................................................................................................................. 334

FIP Snooping in a Switch Stack...................................................................................................................................336

Using FIP Snooping....................................................................................................................................................... 336

FIP Snooping Prerequisites.....................................................................................................................................336

Important Points to Remember............................................................................................................................. 336

Enabling the FCoE Transit Feature........................................................................................................................ 337

Enable FIP Snooping on VLANs.............................................................................................................................338

Congure the FC-MAP Value................................................................................................................................ 338

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................338

Congure a Port for a Bridge-to-FCF Link...........................................................................................................338

Impact on Other Software Features..................................................................................................................... 338

FIP Snooping Restrictions...................................................................................................................................... 339

Conguring FIP Snooping.......................................................................................................................................339

Displaying FIP Snooping Information...........................................................................................................................340

FCoE Transit Conguration Example...........................................................................................................................345

16 Flex Hash and Optimized Boot-Up............................................................................................................347

Flex Hash Capability Overview.....................................................................................................................................347

Conguring the Flex Hash Mechanism....................................................................................................................... 347

Conguring Fast Boot and LACP Fast Switchover...................................................................................................348

Optimizing the Boot Time.............................................................................................................................................348

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................348

Guidelines for Conguring Optimized Booting Mechanism................................................................................349

Interoperation of Applications with Fast Boot and System States..........................................................................350

LACP and IPv4 Routing..........................................................................................................................................350

Contents

11

LACP and IPv6 Routing..........................................................................................................................................350

BGP Graceful Restart.............................................................................................................................................. 351

Cold Boot Caused by Power Cycling the System................................................................................................ 351

Unexpected Reload of the System.........................................................................................................................351

Software Upgrade.................................................................................................................................................... 351

LACP Fast Switchover.............................................................................................................................................351

Changes to BGP Multipath.................................................................................................................................... 352

Delayed Installation of ECMP Routes Into BGP...................................................................................................352

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 352

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................353

17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 354

Protocol Overview.........................................................................................................................................................354

Ring Status...............................................................................................................................................................355

Multiple FRRP Rings............................................................................................................................................... 355

Important FRRP Points...........................................................................................................................................356

Important FRRP Concepts..................................................................................................................................... 357

Implementing FRRP.......................................................................................................................................................358

FRRP Conguration...................................................................................................................................................... 358

Creating the FRRP Group...................................................................................................................................... 358

Conguring the Control VLAN...............................................................................................................................359

Conguring and Adding the Member VLANs...................................................................................................... 360

Setting the FRRP Timers........................................................................................................................................ 361

Clearing the FRRP Counters...................................................................................................................................361

Viewing the FRRP Conguration............................................................................................................................361

Viewing the FRRP Information............................................................................................................................... 361

Troubleshooting FRRP.................................................................................................................................................. 362

Conguration Checks..............................................................................................................................................362

Sample Conguration and Topology............................................................................................................................362

FRRP Support on VLT...................................................................................................................................................363

Example Scenario.................................................................................................................................................... 364

Important Points to Remember............................................................................................................................. 365

18 GARP VLAN Registration Protocol (GVRP)..............................................................................................366

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

Congure GVRP.............................................................................................................................................................367

Related Conguration Tasks................................................................................................................................... 367

Enabling GVRP Globally................................................................................................................................................ 368

Enabling GVRP on a Layer 2 Interface........................................................................................................................368

Congure GVRP Registration...................................................................................................................................... 368

Congure a GARP Timer.............................................................................................................................................. 369

19 Internet Group Management Protocol (IGMP)..........................................................................................370

IGMP Implementation Information...............................................................................................................................370

IGMP Protocol Overview.............................................................................................................................................. 370

IGMP Version 2........................................................................................................................................................ 370

12

Contents

IGMP Version 3........................................................................................................................................................ 372

Congure IGMP............................................................................................................................................................. 375

Related Conguration Tasks................................................................................................................................... 375

Viewing IGMP Enabled Interfaces............................................................................................................................... 376

Selecting an IGMP Version........................................................................................................................................... 376

Viewing IGMP Groups................................................................................................................................................... 377

Viewing IGMP Snooping Groups..................................................................................................................................377

Adjusting Timers.............................................................................................................................................................377

Adjusting Query and Response Timers..................................................................................................................377

Enabling IGMP Immediate-Leave.................................................................................................................................378

IGMP Snooping.............................................................................................................................................................. 379

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

Conguring IGMP Snooping...................................................................................................................................379

Removing a Group-Port Association.....................................................................................................................380

Disabling Multicast Flooding...................................................................................................................................380

Specifying a Port as Connected to a Multicast Router...................................................................................... 380

Conguring the Switch as Querier......................................................................................................................... 381

Fast Convergence after MSTP Topology Changes....................................................................................................381

Egress Interface Selection (EIS) for HTTP and IGMP Applications.........................................................................381

Protocol Separation.................................................................................................................................................382

Enabling and Disabling Management Egress Interface Selection...................................................................... 383

Handling of Management Route Conguration................................................................................................... 384

Handling of Switch-Initiated Trac....................................................................................................................... 384

Handling of Switch-Destined Trac......................................................................................................................385

Handling of Transit Trac (Trac Separation).................................................................................................... 386

Mapping of Management Applications and Trac Type.....................................................................................386

Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 387

Behavior of Various Applications for Switch-Destined Trac ...........................................................................388

Interworking of EIS With Various Applications.....................................................................................................388

Designating a Multicast Router Interface...................................................................................................................389

20 Interfaces................................................................................................................................................ 390

Basic Interface Conguration.......................................................................................................................................390

Advanced Interface Conguration...............................................................................................................................390

Interface Types............................................................................................................................................................... 391

View Basic Interface Information..................................................................................................................................391

Resetting an Interface to its Factory Default State...................................................................................................393

Enabling a Physical Interface........................................................................................................................................394

Physical Interfaces.........................................................................................................................................................394

Conguration Task List for Physical Interfaces....................................................................................................394

40G to 1G Breakout Cable Adaptor....................................................................................................................... 394

Overview of Layer Modes...................................................................................................................................... 395

Conguring Layer 2 (Data Link) Mode..................................................................................................................396

Conguring Layer 2 (Interface) Mode.................................................................................................................. 396

Conguring Layer 3 (Network) Mode...................................................................................................................396

Conguring Layer 3 (Interface) Mode...................................................................................................................397

Contents

13

Automatic recovery of an Err-disabled interface.......................................................................................................398

Conguring an automatic recovery for an Err-disabled interface......................................................................398

Egress Interface Selection (EIS)..................................................................................................................................399

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

Conguring EIS........................................................................................................................................................ 399

Management Interfaces................................................................................................................................................400

Conguring Management Interfaces.................................................................................................................... 400

Conguring a Management Interface on an Ethernet Port................................................................................ 401

VLAN Interfaces............................................................................................................................................................ 402

Loopback Interfaces......................................................................................................................................................403

Null Interfaces................................................................................................................................................................ 403

Port Channel Interfaces................................................................................................................................................403

Port Channel Denition and Standards.................................................................................................................404

Port Channel Benets.............................................................................................................................................404

Port Channel Implementation.................................................................................................................................404

Interfaces in Port Channels....................................................................................................................................405

Conguration Tasks for Port Channel Interfaces.................................................................................................405

Creating a Port Channel......................................................................................................................................... 405

Adding a Physical Interface to a Port Channel.....................................................................................................406

Reassigning an Interface to a New Port Channel................................................................................................ 407

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 408

Adding or Removing a Port Channel from a VLAN............................................................................................. 408

Assigning an IP Address to a Port Channel.......................................................................................................... 409

Deleting or Disabling a Port Channel......................................................................................................................410

Load Balancing Through Port Channels................................................................................................................ 410

Changing the Hash Algorithm.................................................................................................................................410

Bulk Conguration...........................................................................................................................................................411

Interface Range......................................................................................................................................................... 411

Bulk Conguration Examples.................................................................................................................................. 412

Dening Interface Range Macros................................................................................................................................. 413

Dene the Interface Range..................................................................................................................................... 413

Choosing an Interface-Range Macro.....................................................................................................................414

Monitoring and Maintaining Interfaces........................................................................................................................ 414

Maintenance Using TDR..........................................................................................................................................415

Non Dell-Qualied Transceivers....................................................................................................................................415

Splitting 40G Ports without Reload............................................................................................................................. 416

Splitting QSFP Ports to SFP+ Ports............................................................................................................................418

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port...................................................................................419

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

Example Scenarios...................................................................................................................................................420

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................423

Link Dampening..............................................................................................................................................................424

Important Points to Remember..............................................................................................................................424

Conguration Example of Link Dampening...........................................................................................................424

Enabling Link Dampening........................................................................................................................................ 427

14

Contents

Link Bundle Monitoring................................................................................................................................................. 428

Using Ethernet Pause Frames for Flow Control........................................................................................................ 429

Enabling Pause Frames........................................................................................................................................... 429

Congure the MTU Size on an Interface....................................................................................................................430

Port-Pipes........................................................................................................................................................................431

Auto-Negotiation on Ethernet Interfaces....................................................................................................................431

Setting the Speed of Ethernet Interfaces.............................................................................................................431

Set Auto-Negotiation Options................................................................................................................................433

View Advanced Interface Information.........................................................................................................................433

Conguring the Interface Sampling Size.............................................................................................................. 434

Conguring the Trac Sampling Size Globally...........................................................................................................435

Dynamic Counters......................................................................................................................................................... 436

Clearing Interface Counters....................................................................................................................................437

Compressing Conguration Files..................................................................................................................................437

21 IPv4 Routing............................................................................................................................................. 441

IP Addresses...................................................................................................................................................................442

Implementation Information....................................................................................................................................442

Conguration Tasks for IP Addresses..........................................................................................................................442

Assigning IP Addresses to an Interface.......................................................................................................................442

Conguring Static Routes.............................................................................................................................................443

Congure Static Routes for the Management Interface.......................................................................................... 444

Using the Congured Source IP Address in ICMP Messages..................................................................................445

Conguring the ICMP Source Interface............................................................................................................... 445

Conguring the Duration to Establish a TCP Connection........................................................................................ 445

Enabling Directed Broadcast........................................................................................................................................ 446

Resolution of Host Names............................................................................................................................................446

Enabling Dynamic Resolution of Host Names............................................................................................................446

Specifying the Local System Domain and a List of Domains....................................................................................447

Conguring DNS with Traceroute................................................................................................................................447

ARP..................................................................................................................................................................................448

Conguration Tasks for ARP........................................................................................................................................ 448

Conguring Static ARP Entries....................................................................................................................................448

Enabling Proxy ARP.......................................................................................................................................................449

Clearing ARP Cache......................................................................................................................................................449

ARP Learning via Gratuitous ARP................................................................................................................................449

Enabling ARP Learning via Gratuitous ARP................................................................................................................450

ARP Learning via ARP Request...................................................................................................................................450

Conguring ARP Retries................................................................................................................................................451

ICMP................................................................................................................................................................................ 451

Conguration Tasks for ICMP.......................................................................................................................................451

Enabling ICMP Unreachable Messages....................................................................................................................... 451

UDP Helper.....................................................................................................................................................................452

Congure UDP Helper.............................................................................................................................................452

Important Points to Remember............................................................................................................................. 452

Enabling UDP Helper.....................................................................................................................................................452

Contents

15

Conguring a Broadcast Address................................................................................................................................ 453

Congurations Using UDP Helper............................................................................................................................... 453

UDP Helper with Broadcast-All Addresses.................................................................................................................453

UDP Helper with Subnet Broadcast Addresses.........................................................................................................454

UDP Helper with Congured Broadcast Addresses..................................................................................................454

UDP Helper with No Congured Broadcast Addresses............................................................................................455

Troubleshooting UDP Helper........................................................................................................................................455

22 IPv6 Routing............................................................................................................................................456

Protocol Overview.........................................................................................................................................................456

Extended Address Space........................................................................................................................................457

Stateless Autoconguration....................................................................................................................................457

IPv6 Headers............................................................................................................................................................457

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 458

IPv6 Header Fields...................................................................................................................................................459

Extension Header Fields.......................................................................................................................................... 461

Addressing................................................................................................................................................................ 462

Implementing IPv6 with Dell EMC Networking OS................................................................................................... 463

ICMPv6...........................................................................................................................................................................464

Path MTU discovery..................................................................................................................................................... 465

IPv6 Neighbor Discovery..............................................................................................................................................465

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................466

Conguring the IPv6 Recursive DNS Server....................................................................................................... 466

Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 467

Displaying IPv6 RDNSS Information......................................................................................................................467

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 468

Conguration Tasks for IPv6........................................................................................................................................ 468

Adjusting Your CAM-Prole....................................................................................................................................468

Assigning an IPv6 Address to an Interface...........................................................................................................469

Assigning a Static IPv6 Route................................................................................................................................ 470

Conguring Telnet with IPv6.................................................................................................................................. 470

SNMP over IPv6.......................................................................................................................................................471

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

Displaying an IPv6 Interface Information............................................................................................................... 471

Showing IPv6 Routes.............................................................................................................................................. 472

Showing the Running-Conguration for an Interface......................................................................................... 473

Clearing IPv6 Routes............................................................................................................................................... 474

Disabling ND Entry Timeout....................................................................................................................................474

Conguring IPv6 RA Guard...........................................................................................................................................474

Conguring IPv6 RA Guard on an Interface......................................................................................................... 476

Monitoring IPv6 RA Guard......................................................................................................................................477

23 iSCSI Optimization...................................................................................................................................478

iSCSI Optimization Overview....................................................................................................................................... 478

Monitoring iSCSI Trac Flows...............................................................................................................................480

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 480

16

Contents

Information Monitored in iSCSI Trac Flows.......................................................................................................480

Detection and Auto-Conguration for Dell EqualLogic Arrays............................................................................481

Conguring Detection and Ports for Dell Compellent Arrays..............................................................................481

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................482

Enable and Disable iSCSI Optimization................................................................................................................. 482

Default iSCSI Optimization Values...............................................................................................................................483

iSCSI Optimization Prerequisites................................................................................................................................. 483

Conguring iSCSI Optimization....................................................................................................................................483

Displaying iSCSI Optimization Information................................................................................................................. 485

24 Intermediate System to Intermediate System...........................................................................................487

IS-IS Protocol Overview................................................................................................................................................487

IS-IS Addressing............................................................................................................................................................. 487

Multi-Topology IS-IS...................................................................................................................................................... 488

Transition Mode....................................................................................................................................................... 488

Interface Support.....................................................................................................................................................489

Adjacencies...............................................................................................................................................................489

Graceful Restart.............................................................................................................................................................489

Timers....................................................................................................................................................................... 489

Implementation Information..........................................................................................................................................489

Conguration Information.............................................................................................................................................490

Conguration Tasks for IS-IS.................................................................................................................................. 491

Conguring the Distance of a Route.....................................................................................................................498

Changing the IS-Type.............................................................................................................................................. 499

Redistributing IPv4 Routes..................................................................................................................................... 501

Redistributing IPv6 Routes.....................................................................................................................................502

Conguring Authentication Passwords.................................................................................................................503

Setting the Overload Bit.........................................................................................................................................503

Debugging IS-IS.......................................................................................................................................................504

IS-IS Metric Styles........................................................................................................................................................ 505

Congure Metric Values............................................................................................................................................... 505

Maximum Values in the Routing Table.................................................................................................................. 505

Change the IS-IS Metric Style in One Level Only................................................................................................505

Leaks from One Level to Another..........................................................................................................................507

Sample Congurations..................................................................................................................................................508

25 In-Service Software Upgrade................................................................................................................... 510

ISSU Introduction........................................................................................................................................................... 510

Warmboot Limitations..............................................................................................................................................510

Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 510

L2 ISSU.............................................................................................................................................................................511

L3 ISSU.............................................................................................................................................................................511

CoPP................................................................................................................................................................................512

Mirroring ow control packets......................................................................................................................................512

PFC.................................................................................................................................................................................. 512

QoS.................................................................................................................................................................................. 512

Contents

17

Tunnel Conguration...................................................................................................................................................... 512

26 Link Aggregation Control Protocol (LACP)............................................................................................... 514

Introduction to Dynamic LAGs and LACP................................................................................................................... 514

Important Points to Remember.............................................................................................................................. 514

LACP Modes.............................................................................................................................................................515

Conguring LACP Commands................................................................................................................................515

LACP Conguration Tasks.............................................................................................................................................516

Creating a LAG......................................................................................................................................................... 516

Conguring the LAG Interfaces as Dynamic.........................................................................................................516

Setting the LACP Long Timeout.............................................................................................................................517

Monitoring and Debugging LACP...........................................................................................................................517

Shared LAG State Tracking........................................................................................................................................... 518

Conguring Shared LAG State Tracking................................................................................................................518

Important Points about Shared LAG State Tracking........................................................................................... 520

LACP Basic Conguration Example............................................................................................................................ 520

Congure a LAG on ALPHA................................................................................................................................... 520

27 Layer 2.....................................................................................................................................................529

Manage the MAC Address Table................................................................................................................................. 529

Clearing the MAC Address Table........................................................................................................................... 529

Setting the Aging Time for Dynamic Entries........................................................................................................529

Conguring a Static MAC Address........................................................................................................................530

Displaying the MAC Address Table........................................................................................................................530

MAC Learning Limit.......................................................................................................................................................530

Setting the MAC Learning Limit............................................................................................................................. 531

mac learning-limit Dynamic..................................................................................................................................... 531

mac learning-limit mac-address-sticky.................................................................................................................. 531

mac learning-limit station-move............................................................................................................................ 532

mac learning-limit no-station-move...................................................................................................................... 532

Learning Limit Violation Actions.............................................................................................................................532

Setting Station Move Violation Actions................................................................................................................ 533

Recovering from Learning Limit and Station Move Violations........................................................................... 533

Disabling MAC Address Learning on the System.................................................................................................534

NIC Teaming................................................................................................................................................................... 534

Congure Redundant Pairs.......................................................................................................................................... 535

Important Points about Conguring Redundant Pairs........................................................................................ 537

Far-End Failure Detection.............................................................................................................................................538

FEFD State Changes...............................................................................................................................................539

Conguring FEFD.................................................................................................................................................... 540

Enabling FEFD on an Interface.............................................................................................................................. 540

Debugging FEFD.......................................................................................................................................................541

28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 543

802.1AB (LLDP) Overview............................................................................................................................................543

Protocol Data Units................................................................................................................................................. 543

18

Contents

Optional TLVs.................................................................................................................................................................544

Management TLVs.................................................................................................................................................. 544

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 546

TIA Organizationally Specic TLVs........................................................................................................................ 546

Congure LLDP............................................................................................................................................................. 550

Related Conguration Tasks...................................................................................................................................550

Important Points to Remember............................................................................................................................. 550

LLDP Compatibility...................................................................................................................................................551

CONFIGURATION versus INTERFACE Congurations.............................................................................................551

Enabling LLDP.................................................................................................................................................................551

Disabling and Undoing LLDP..................................................................................................................................552

Enabling LLDP on Management Ports........................................................................................................................552

Disabling and Undoing LLDP on Management Ports..........................................................................................552

Advertising TLVs............................................................................................................................................................ 552

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................554

Reserved Unrecognized LLDP TLVs..................................................................................................................... 554

Organizational Specic Unrecognized LLDP TLVs..............................................................................................554

Viewing Unrecognized LLDP TLVs........................................................................................................................554

Viewing the LLDP Conguration................................................................................................................................. 555

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................555

Examples of Viewing Information Advertised by Neighbors.............................................................................. 555

Conguring LLDPDU Intervals..................................................................................................................................... 557

Conguring LLDP Notication Interval....................................................................................................................... 558

Conguring Transmit and Receive Mode................................................................................................................... 558

Conguring the Time to Live Value............................................................................................................................. 559

Debugging LLDP............................................................................................................................................................559

Relevant Management Objects.................................................................................................................................... 561

29 Microsoft Network Load Balancing..........................................................................................................566

NLB Unicast Mode Scenario........................................................................................................................................566

NLB Multicast Mode Scenario.....................................................................................................................................566

Limitations of the NLB Feature....................................................................................................................................567

Microsoft Clustering......................................................................................................................................................567

Enable and Disable VLAN Flooding .............................................................................................................................567

Conguring a Switch for NLB ..................................................................................................................................... 567

Enabling a Switch for Multicast NLB.................................................................................................................... 568

30 Multicast Source Discovery Protocol (MSDP).........................................................................................569

Protocol Overview.........................................................................................................................................................569

Anycast RP.....................................................................................................................................................................570

Implementation Information.......................................................................................................................................... 571

Congure Multicast Source Discovery Protocol.........................................................................................................571

Related Conguration Tasks....................................................................................................................................571

Enable MSDP................................................................................................................................................................. 575

Manage the Source-Active Cache.............................................................................................................................. 576

Viewing the Source-Active Cache.........................................................................................................................576

Contents

19

Limiting the Source-Active Cache.........................................................................................................................576

Clearing the Source-Active Cache.........................................................................................................................577

Enabling the Rejected Source-Active Cache........................................................................................................577

Accept Source-Active Messages that Fail the RFP Check......................................................................................577

Specifying Source-Active Messages...........................................................................................................................580

Limiting the Source-Active Messages from a Peer....................................................................................................581

Preventing MSDP from Caching a Local Source........................................................................................................581

Preventing MSDP from Caching a Remote Source.................................................................................................. 582

Preventing MSDP from Advertising a Local Source..................................................................................................582

Logging Changes in Peership States...........................................................................................................................583

Terminating a Peership..................................................................................................................................................583

Clearing Peer Statistics.................................................................................................................................................584

Debugging MSDP.......................................................................................................................................................... 584

MSDP with Anycast RP................................................................................................................................................585

Conguring Anycast RP................................................................................................................................................586

Reducing Source-Active Message Flooding.........................................................................................................587

Specifying the RP Address Used in SA Messages.............................................................................................. 587

MSDP Sample Congurations..................................................................................................................................... 589

31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 592

Protocol Overview.........................................................................................................................................................592

Spanning Tree Variations...............................................................................................................................................593

Implementation Information....................................................................................................................................593

Congure Multiple Spanning Tree Protocol................................................................................................................593

Related Conguration Tasks...................................................................................................................................594

Enable Multiple Spanning Tree Globally...................................................................................................................... 594

Adding and Removing Interfaces.................................................................................................................................594

Creating Multiple Spanning Tree Instances................................................................................................................ 595

Inuencing MSTP Root Selection................................................................................................................................596

Interoperate with Non-Dell Bridges.............................................................................................................................596

Changing the Region Name or Revision..................................................................................................................... 597

Modifying Global Parameters....................................................................................................................................... 597

Modifying the Interface Parameters........................................................................................................................... 598

Conguring an EdgePort.............................................................................................................................................. 599

Flush MAC Addresses after a Topology Change....................................................................................................... 600

MSTP Sample Congurations......................................................................................................................................600

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

CongurationSFTOS Example Running-Conguration........................................................................................601

Debugging and Verifying MSTP Congurations........................................................................................................ 604

32 Multicast Features...................................................................................................................................606

Enabling IP Multicast.....................................................................................................................................................606

Implementation Information......................................................................................................................................... 606

Multicast Policies........................................................................................................................................................... 607

IPv4 Multicast Policies............................................................................................................................................ 607

Understanding Multicast Traceroute (mtrace)........................................................................................................... 614

20

Contents

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Dell PowerSwitch S6000 User guide

Dell PowerSwitch S6000 User guide

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