Dell PowerSwitch S6010-ON Owner's manual

Dell Conguration Guide for the S6010–ON

System

9.14.1.0

Notes, cautions, and warnings

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

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

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

may be trademarks of their respective owners.

2018 - 11

Rev. A00

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Contents

3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Restoring the Factory Default Settings........................................................................................................................ 80

Important Points to Remember................................................................................................................................80

4

Contents

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

Viewing the Reason for Last System Reboot...............................................................................................................82

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

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

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

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

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

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

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

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

Conguring Request Identity Re-Transmissions...........................................................................................................89

Conguring a Quiet Period after a Failed Authentication..................................................................................... 90

Forcibly Authorizing or Unauthorizing a Port................................................................................................................91

Re-Authenticating a Port.................................................................................................................................................91

Conguring Timeouts...................................................................................................................................................... 92

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................93

Guest and Authentication-Fail VLANs.......................................................................................................................... 94

Conguring a Guest VLAN....................................................................................................................................... 95

Conguring an Authentication-Fail VLAN...............................................................................................................95

6 Access Control Lists (ACLs).........................................................................................................................97

IP Access Control Lists (ACLs)...................................................................................................................................... 98

CAM Usage................................................................................................................................................................ 99

Implementing ACLs on Dell EMC Networking OS................................................................................................. 99

Important Points to Remember.....................................................................................................................................101

Conguration Task List for Route Maps.................................................................................................................101

Conguring Match Routes...................................................................................................................................... 103

Conguring Set Conditions.....................................................................................................................................105

Congure a Route Map for Route Redistribution.................................................................................................106

Congure a Route Map for Route Tagging........................................................................................................... 106

Continue Clause........................................................................................................................................................107

IP Fragment Handling.....................................................................................................................................................107

IP Fragments ACL Examples...................................................................................................................................107

Layer 4 ACL Rules Examples...................................................................................................................................108

Congure a Standard IP ACL........................................................................................................................................108

Conguring a Standard IP ACL Filter.....................................................................................................................109

Congure an Extended IP ACL......................................................................................................................................110

Conguring Filters with a Sequence Number........................................................................................................110

Conguring Filters Without a Sequence Number................................................................................................. 112

Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 113

Assign an IP ACL to an Interface...................................................................................................................................113

Applying an IP ACL..........................................................................................................................................................113

Counting ACL Hits.....................................................................................................................................................114

Congure Ingress ACLs.................................................................................................................................................. 114

Congure Egress ACLs...................................................................................................................................................115

Contents

5

Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................... 116

IP Prex Lists...................................................................................................................................................................116

Implementation Information..................................................................................................................................... 117

Conguration Task List for Prex Lists................................................................................................................... 117

ACL Remarks.................................................................................................................................................................. 120

Conguring a Remark............................................................................................................................................... 121

Deleting a Remark.....................................................................................................................................................121

ACL Resequencing......................................................................................................................................................... 122

Resequencing an ACL or Prex List.......................................................................................................................122

Route Maps..................................................................................................................................................................... 124

Implementation Information.....................................................................................................................................124

Flow-Based Monitoring..................................................................................................................................................124

Behavior of Flow-Based Monitoring.......................................................................................................................124

Enabling Flow-Based Monitoring............................................................................................................................126

Conguring IP Mirror Access Group.............................................................................................................................127

Sample Conguration...............................................................................................................................................127

Example of viewing IP mirror–access–group applied to an Interface................................................................128

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 129

How BFD Works............................................................................................................................................................. 129

BFD Packet Format..................................................................................................................................................130

BFD Sessions............................................................................................................................................................. 131

BFD Three-Way Handshake.................................................................................................................................... 132

Session State Changes............................................................................................................................................134

Important Points to Remember.................................................................................................................................... 134

Congure BFD................................................................................................................................................................ 134

Congure BFD for Physical Ports...........................................................................................................................135

Congure BFD for Static Routes............................................................................................................................136

Congure BFD for IPv6 Static Routes...................................................................................................................140

Congure BFD for OSPF.........................................................................................................................................142

Congure BFD for OSPFv3.....................................................................................................................................148

Congure BFD for IS-IS............................................................................................................................................151

Congure BFD for BGP...........................................................................................................................................153

Congure BFD for VRRP......................................................................................................................................... 161

Conguring Protocol Liveness................................................................................................................................ 163

8 Border Gateway Protocol (BGP)................................................................................................................ 164

Border Gateway Protocol version 4 (BGPv4).............................................................................................................164

Autonomous Systems (AS)...........................................................................................................................................164

AS4 Number Representation.................................................................................................................................. 166

Four-Byte AS Numbers............................................................................................................................................168

Multiprotocol BGP..........................................................................................................................................................168

MBGP for IPv4 MulticastBGP Address Family modelIPv4 and IPv6 address family....................................... 169

Sessions and Peers........................................................................................................................................................ 169

Establish a Session...................................................................................................................................................169

Implementing BGP global and address family............................................................................................................. 170

6

Contents

BGP global conguration default values.................................................................................................................171

BGP Attributes for selecting Best Path........................................................................................................................171

Best Path Selection Criteria.................................................................................................................................... 172

Weight........................................................................................................................................................................173

Local Preference....................................................................................................................................................... 174

Multi-Exit Discriminators (MEDs)........................................................................................................................... 174

Origin..........................................................................................................................................................................175

AS Path......................................................................................................................................................................176

Next Hop................................................................................................................................................................... 176

Implement BGP with Dell EMC Networking OS......................................................................................................... 177

Additional Path (Add-Path) Support...................................................................................................................... 177

Advertise IGP Cost as MED for Redistributed Routes.........................................................................................177

Ignore Router-ID in Best-Path Calculation............................................................................................................ 178

AS Number Migration...............................................................................................................................................178

BGP4 Management Information Base (MIB)........................................................................................................179

Important Points to Remember.............................................................................................................................. 179

Conguration Information..............................................................................................................................................180

Conguring a basic BGP network................................................................................................................................ 180

Enabling BGP............................................................................................................................................................ 180

Conguring a BGP peer...........................................................................................................................................183

Conguring AS4 Number Representations........................................................................................................... 184

Conguring a BGP VRF address family.................................................................................................................185

Route-refresh and Soft-reconguration................................................................................................................ 187

Aggregating Routes................................................................................................................................................. 190

Filtering BGP Routes................................................................................................................................................190

Filtering BGP Routes Using Route Maps...............................................................................................................192

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 192

Conguring Peer Groups.........................................................................................................................................193

Conguring BGP Fast Fall-Over.............................................................................................................................201

Conguring Passive Peering...................................................................................................................................202

Maintaining Existing AS Numbers During an AS Migration................................................................................ 203

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 204

Enabling Graceful Restart.......................................................................................................................................205

Filtering on an AS-Path Attribute.......................................................................................................................... 206

Regular Expressions as Filters................................................................................................................................ 207

Redistributing Routes..............................................................................................................................................208

Enabling Additional Paths....................................................................................................................................... 209

Redistributing iBGP Routes into IGP.....................................................................................................................209

Conguring IP Community Lists..............................................................................................................................211

Conguring an IP Extended Community List........................................................................................................ 213

Filtering Routes with Community Lists.................................................................................................................. 213

Manipulating the COMMUNITY Attribute.............................................................................................................214

Changing MED Attributes....................................................................................................................................... 215

Changing the LOCAL_PREFERENCE Attribute.................................................................................................. 216

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 217

Contents

7

Changing the WEIGHT Attribute............................................................................................................................217

Enabling Multipath....................................................................................................................................................218

Route Reectors.......................................................................................................................................................218

Conguring BGP Confederations........................................................................................................................... 219

Enabling Route Flap Dampening............................................................................................................................ 220

Changing BGP Timers.............................................................................................................................................222

Setting the extended timer.....................................................................................................................................222

Enabling or disabling BGP neighbors.....................................................................................................................223

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

Enabling MBGP Congurations................................................................................................................................... 225

MBGP support for IPv6................................................................................................................................................225

Conguring IPv6 MBGP between peers.................................................................................................................... 225

Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 226

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor............................................... 228

BGP Regular Expression Optimization........................................................................................................................230

Debugging BGP............................................................................................................................................................. 230

Storing Last and Bad PDUs.....................................................................................................................................231

Capturing PDUs....................................................................................................................................................... 232

PDU Counters.......................................................................................................................................................... 233

9 Content Addressable Memory (CAM)........................................................................................................ 234

CAM Allocation...............................................................................................................................................................234

Test CAM Usage............................................................................................................................................................236

View CAM Proles.........................................................................................................................................................236

View CAM-ACL Settings...............................................................................................................................................237

View CAM Usage...........................................................................................................................................................238

Conguring CAM Threshold and Silence Period........................................................................................................239

Setting CAM Threshold and Silence Period......................................................................................................... 239

CAM Optimization......................................................................................................................................................... 240

Troubleshoot CAM Proling..........................................................................................................................................240

QoS CAM Region Limitation....................................................................................................................................241

Syslog Error When the Table is Full........................................................................................................................ 241

Syslog Warning Upon 90 Percent Utilization of CAM..........................................................................................241

Syslog Warning for Discrepancies Between Congured Extended Prexes.....................................................241

Unied Forwarding Table (UFT) Modes...................................................................................................................... 241

Conguring UFT Modes..........................................................................................................................................242

10 Control Plane Policing (CoPP)..................................................................................................................243

Congure Control Plane Policing................................................................................................................................. 244

Conguring CoPP for Protocols............................................................................................................................ 245

Conguring CoPP for CPU Queues.......................................................................................................................247

Displaying CoPP Conguration ............................................................................................................................. 248

11 Data Center Bridging (DCB)..................................................................................................................... 250

Ethernet Enhancements in Data Center Bridging..................................................................................................... 250

Priority-Based Flow Control.................................................................................................................................... 251

8

Contents

Enhanced Transmission Selection..........................................................................................................................252

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................253

Data Center Bridging in a Trac Flow.................................................................................................................. 254

Enabling Data Center Bridging.....................................................................................................................................254

DCB Maps and its Attributes................................................................................................................................. 255

Data Center Bridging: Default Conguration..............................................................................................................256

Conguring Priority-Based Flow Control....................................................................................................................256

Conguring Lossless Queues..................................................................................................................................257

Conguring PFC in a DCB Map................................................................................................................................... 258

PFC Conguration Notes....................................................................................................................................... 258

PFC Prerequisites and Restrictions.......................................................................................................................259

Applying a DCB Map on a Port....................................................................................................................................260

Conguring PFC without a DCB Map.........................................................................................................................260

Conguring Lossless QueuesExample:.................................................................................................................. 261

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................262

Pause and Resume of Trac..................................................................................................................................262

Buer Sizes for Lossless or PFC Packets............................................................................................................ 262

Behavior of Tagged Packets.........................................................................................................................................263

Conguration Example for DSCP and PFC Priorities................................................................................................263

SNMP Support for PFC and Buer Statistics Tracking............................................................................................264

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................264

PFC and ETS Conguration Examples........................................................................................................................265

Using PFC to Manage Converged Ethernet Trac.................................................................................................. 265

Operations on Untagged Packets................................................................................................................................265

Generation of PFC for a Priority for Untagged Packets...........................................................................................266

Congure Enhanced Transmission Selection..............................................................................................................266

ETS Prerequisites and Restrictions....................................................................................................................... 266

Creating an ETS Priority Group............................................................................................................................. 266

ETS Operation with DCBx......................................................................................................................................268

Conguring Bandwidth Allocation for DCBx CIN................................................................................................ 268

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

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 270

Using ETS to Manage Converged Ethernet Trac....................................................................................................271

Applying DCB Policies in a Switch Stack..................................................................................................................... 271

Congure a DCBx Operation.........................................................................................................................................271

DCBx Operation........................................................................................................................................................271

DCBx Port Roles...................................................................................................................................................... 272

DCB Conguration Exchange.................................................................................................................................273

Conguration Source Election................................................................................................................................273

Propagation of DCB Information............................................................................................................................274

Auto-Detection and Manual Conguration of the DCBx Version.......................................................................274

DCBx Example..........................................................................................................................................................275

DCBx Prerequisites and Restrictions.....................................................................................................................275

Conguring DCBx.................................................................................................................................................... 275

Verifying the DCB Conguration..................................................................................................................................279

Contents

9

QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 287

Conguring the Dynamic Buer Method................................................................................................................... 288

Sample DCB Conguration...........................................................................................................................................289

PFC and ETS Conguration Command Examples............................................................................................... 291

12 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 292

DHCP Packet Format and Options............................................................................................................................. 292

Assign an IP Address using DHCP...............................................................................................................................294

Implementation Information......................................................................................................................................... 295

Congure the System to be a DHCP Server............................................................................................................. 295

Conguring the Server for Automatic Address Allocation..................................................................................296

Specifying a Default Gateway................................................................................................................................ 297

Congure a Method of Hostname Resolution..................................................................................................... 298

Using DNS for Address Resolution........................................................................................................................298

Using NetBIOS WINS for Address Resolution..................................................................................................... 298

Creating Manual Binding Entries............................................................................................................................298

Debugging the DHCP Server.................................................................................................................................299

Using DHCP Clear Commands.............................................................................................................................. 299

Congure the System to be a DHCP Client...............................................................................................................299

Conguring the DHCP Client System...................................................................................................................300

DHCP Client on a Management Interface.............................................................................................................301

DHCP Client Operation with Other Features.......................................................................................................302

DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 303

Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 303

Non-default VRF conguration for DHCPv6 helper address...................................................................................304

Conguring DHCP relay source interface...................................................................................................................304

Global DHCP relay source IPv4 or IPv6 conguration .......................................................................................304

Interface level DHCP relay source IPv4 or IPv6 conguration ......................................................................... 305

Congure the System for User Port Stacking (Option 230)................................................................................... 306

Congure Secure DHCP...............................................................................................................................................306

Option 82.................................................................................................................................................................. 307

DHCP Snooping....................................................................................................................................................... 307

Drop DHCP Packets on Snooped VLANs Only.....................................................................................................312

Dynamic ARP Inspection......................................................................................................................................... 312

Conguring Dynamic ARP Inspection.................................................................................................................... 313

Source Address Validation............................................................................................................................................. 314

Enabling IP Source Address Validation...................................................................................................................314

DHCP MAC Source Address Validation.................................................................................................................315

Enabling IP+MAC Source Address Validation....................................................................................................... 315

Viewing the Number of SAV Dropped Packets.................................................................................................... 316

Clearing the Number of SAV Dropped Packets....................................................................................................316

13 Equal Cost Multi-Path (ECMP).................................................................................................................317

ECMP for Flow-Based Anity......................................................................................................................................317

Conguring the Hash Algorithm............................................................................................................................. 317

Enabling Deterministic ECMP Next Hop............................................................................................................... 317

10

Contents

Conguring the Hash Algorithm Seed................................................................................................................... 318

Link Bundle Monitoring.................................................................................................................................................. 318

Managing ECMP Group Paths................................................................................................................................319

Creating an ECMP Group Bundle...........................................................................................................................319

Modifying the ECMP Group Threshold................................................................................................................. 319

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................320

Support for ECMP in host table............................................................................................................................. 321

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes .........................................................................321

14 FIP Snooping............................................................................................................................................322

Fibre Channel over Ethernet........................................................................................................................................ 322

Ensure Robustness in a Converged Ethernet Network............................................................................................ 322

FIP Snooping on Ethernet Bridges.............................................................................................................................. 324

FIP Snooping in a Switch Stack...................................................................................................................................326

Using FIP Snooping....................................................................................................................................................... 326

FIP Snooping Prerequisites.....................................................................................................................................326

Important Points to Remember............................................................................................................................. 326

Enabling the FCoE Transit Feature........................................................................................................................ 327

Enable FIP Snooping on VLANs.............................................................................................................................328

Congure the FC-MAP Value................................................................................................................................ 328

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................328

Congure a Port for a Bridge-to-FCF Link...........................................................................................................328

Impact on Other Software Features..................................................................................................................... 328

FIP Snooping Restrictions...................................................................................................................................... 329

Conguring FIP Snooping.......................................................................................................................................329

Displaying FIP Snooping Information...........................................................................................................................330

FCoE Transit Conguration Example...........................................................................................................................335

15 Flex Hash and Optimized Boot-Up............................................................................................................337

Flex Hash Capability Overview.....................................................................................................................................337

Conguring the Flex Hash Mechanism....................................................................................................................... 337

Conguring Fast Boot and LACP Fast Switchover...................................................................................................338

Optimizing the Boot Time.............................................................................................................................................338

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................338

Guidelines for Conguring Optimized Booting Mechanism................................................................................339

Interoperation of Applications with Fast Boot and System States..........................................................................340

LACP and IPv4 Routing.......................................................................................................................................... 340

LACP and IPv6 Routing..........................................................................................................................................340

BGP Graceful Restart.............................................................................................................................................. 341

Cold Boot Caused by Power Cycling the System................................................................................................ 341

Unexpected Reload of the System.........................................................................................................................341

Software Upgrade.................................................................................................................................................... 341

LACP Fast Switchover.............................................................................................................................................341

Changes to BGP Multipath.....................................................................................................................................342

Delayed Installation of ECMP Routes Into BGP...................................................................................................342

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................342

Contents

11

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 343

16 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 344

Protocol Overview.........................................................................................................................................................344

Ring Status............................................................................................................................................................... 345

Multiple FRRP Rings............................................................................................................................................... 345

Important FRRP Points...........................................................................................................................................346

Important FRRP Concepts..................................................................................................................................... 347

Implementing FRRP.......................................................................................................................................................348

FRRP Conguration.......................................................................................................................................................348

Creating the FRRP Group.......................................................................................................................................348

Conguring the Control VLAN...............................................................................................................................348

Conguring and Adding the Member VLANs...................................................................................................... 350

Setting the FRRP Timers.........................................................................................................................................351

Clearing the FRRP Counters...................................................................................................................................351

Viewing the FRRP Conguration............................................................................................................................351

Viewing the FRRP Information............................................................................................................................... 351

Troubleshooting FRRP.................................................................................................................................................. 352

Conguration Checks..............................................................................................................................................352

Sample Conguration and Topology............................................................................................................................352

FRRP Support on VLT...................................................................................................................................................353

Example Scenario.................................................................................................................................................... 354

Important Points to Remember............................................................................................................................. 355

17 GARP VLAN Registration Protocol (GVRP)..............................................................................................356

Important Points to Remember................................................................................................................................... 356

Congure GVRP.............................................................................................................................................................357

Related Conguration Tasks................................................................................................................................... 357

Enabling GVRP Globally................................................................................................................................................ 358

Enabling GVRP on a Layer 2 Interface........................................................................................................................358

Congure GVRP Registration...................................................................................................................................... 358

Congure a GARP Timer.............................................................................................................................................. 359

18 Internet Group Management Protocol (IGMP)......................................................................................... 360

IGMP Implementation Information.............................................................................................................................. 360

IGMP Protocol Overview..............................................................................................................................................360

IGMP Version 2........................................................................................................................................................360

IGMP Version 3........................................................................................................................................................ 362

Congure IGMP.............................................................................................................................................................365

Related Conguration Tasks...................................................................................................................................365

Viewing IGMP Enabled Interfaces...............................................................................................................................366

Selecting an IGMP Version...........................................................................................................................................366

Viewing IGMP Groups................................................................................................................................................... 367

Adjusting Timers.............................................................................................................................................................367

Adjusting Query and Response Timers................................................................................................................. 367

Enabling IGMP Immediate-Leave.................................................................................................................................368

12

Contents

IGMP Snooping..............................................................................................................................................................369

IGMP Snooping Implementation Information.......................................................................................................369

Conguring IGMP Snooping...................................................................................................................................369

Removing a Group-Port Association..................................................................................................................... 370

Disabling Multicast Flooding................................................................................................................................... 370

Specifying a Port as Connected to a Multicast Router.......................................................................................370

Conguring the Switch as Querier......................................................................................................................... 371

Fast Convergence after MSTP Topology Changes....................................................................................................371

Egress Interface Selection (EIS) for HTTP and IGMP Applications.........................................................................371

Protocol Separation................................................................................................................................................. 372

Enabling and Disabling Management Egress Interface Selection...................................................................... 373

Handling of Management Route Conguration....................................................................................................374

Handling of Switch-Initiated Trac........................................................................................................................374

Handling of Switch-Destined Trac......................................................................................................................375

Handling of Transit Trac (Trac Separation).....................................................................................................376

Mapping of Management Applications and Trac Type..................................................................................... 376

Behavior of Various Applications for Switch-Initiated Trac .............................................................................377

Behavior of Various Applications for Switch-Destined Trac ...........................................................................378

Interworking of EIS With Various Applications..................................................................................................... 378

Designating a Multicast Router Interface................................................................................................................... 379

19 Interfaces.................................................................................................................................................380

Basic Interface Conguration.......................................................................................................................................380

Advanced Interface Conguration...............................................................................................................................380

Interface Types................................................................................................................................................................381

View Basic Interface Information..................................................................................................................................381

Resetting an Interface to its Factory Default State...................................................................................................383

Enabling a Physical Interface........................................................................................................................................384

Physical Interfaces.........................................................................................................................................................384

Conguration Task List for Physical Interfaces.................................................................................................... 384

40G to 1G Breakout Cable Adaptor....................................................................................................................... 384

Overview of Layer Modes...................................................................................................................................... 385

Conguring Layer 2 (Data Link) Mode..................................................................................................................386

Conguring Layer 2 (Interface) Mode.................................................................................................................. 386

Conguring Layer 3 (Network) Mode...................................................................................................................386

Conguring Layer 3 (Interface) Mode...................................................................................................................387

Automatic recovery of an Err-disabled interface....................................................................................................... 388

Conguring an automatic recovery for an Err-disabled interface......................................................................388

Egress Interface Selection (EIS)..................................................................................................................................389

Important Points to Remember............................................................................................................................. 389

Conguring EIS........................................................................................................................................................ 389

Management Interfaces................................................................................................................................................390

Conguring Management Interfaces.................................................................................................................... 390

Conguring a Management Interface on an Ethernet Port................................................................................ 391

VLAN Interfaces.............................................................................................................................................................392

Loopback Interfaces......................................................................................................................................................393

Contents

13

Null Interfaces................................................................................................................................................................ 393

Port Channel Interfaces................................................................................................................................................ 393

Port Channel Denition and Standards.................................................................................................................394

Port Channel Benets.............................................................................................................................................394

Port Channel Implementation.................................................................................................................................394

Interfaces in Port Channels.................................................................................................................................... 395

Conguration Tasks for Port Channel Interfaces.................................................................................................395

Creating a Port Channel......................................................................................................................................... 395

Adding a Physical Interface to a Port Channel.....................................................................................................396

Reassigning an Interface to a New Port Channel................................................................................................ 397

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 398

Adding or Removing a Port Channel from a VLAN............................................................................................. 398

Assigning an IP Address to a Port Channel.......................................................................................................... 400

Deleting or Disabling a Port Channel.....................................................................................................................400

Load Balancing Through Port Channels............................................................................................................... 400

Changing the Hash Algorithm................................................................................................................................400

Bulk Conguration......................................................................................................................................................... 402

Interface Range........................................................................................................................................................402

Bulk Conguration Examples..................................................................................................................................402

Dening Interface Range Macros................................................................................................................................ 404

Dene the Interface Range.................................................................................................................................... 404

Choosing an Interface-Range Macro....................................................................................................................404

Monitoring and Maintaining Interfaces....................................................................................................................... 404

Maintenance Using TDR.........................................................................................................................................405

Non Dell-Qualied Transceivers................................................................................................................................... 406

Splitting 40G Ports without Reload.............................................................................................................................406

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 408

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port..................................................................................409

Important Points to Remember............................................................................................................................. 409

Example Scenarios................................................................................................................................................... 410

Link Dampening............................................................................................................................................................... 411

Important Points to Remember...............................................................................................................................411

Conguration Example of Link Dampening........................................................................................................... 412

Enabling Link Dampening.........................................................................................................................................414

Link Bundle Monitoring.................................................................................................................................................. 415

Using Ethernet Pause Frames for Flow Control......................................................................................................... 416

Enabling Pause Frames............................................................................................................................................416

Congure the MTU Size on an Interface.....................................................................................................................417

Port-Pipes....................................................................................................................................................................... 418

Auto-Negotiation on Ethernet Interfaces....................................................................................................................418

Setting the Speed of Ethernet Interfaces.............................................................................................................418

Set Auto-Negotiation Options................................................................................................................................420

View Advanced Interface Information.........................................................................................................................420

Conguring the Interface Sampling Size............................................................................................................... 421

Conguring the Trac Sampling Size Globally...........................................................................................................422

14

Contents

Dynamic Counters......................................................................................................................................................... 424

Clearing Interface Counters....................................................................................................................................424

Compressing Conguration Files................................................................................................................................. 425

Discard Counters............................................................................................................................................................427

Display discard counters..........................................................................................................................................427

20 IPv4 Routing............................................................................................................................................430

IP Addresses....................................................................................................................................................................431

Implementation Information.................................................................................................................................... 431

Conguration Tasks for IP Addresses.......................................................................................................................... 431

Assigning IP Addresses to an Interface........................................................................................................................431

Conguring Static Routes.............................................................................................................................................432

Congure Static Routes for the Management Interface.......................................................................................... 433

IPv4 Path MTU Discovery Overview.......................................................................................................................... 434

Packet handling during MTU mismatch................................................................................................................434

Using the Congured Source IP Address in ICMP Messages..................................................................................434

Conguring the ICMP Source Interface............................................................................................................... 434

Conguring the Duration to Establish a TCP Connection........................................................................................ 435

Enabling Directed Broadcast........................................................................................................................................ 435

Resolution of Host Names............................................................................................................................................435

Enabling Dynamic Resolution of Host Names............................................................................................................436

Specifying the Local System Domain and a List of Domains................................................................................... 436

Conguring DNS with Traceroute................................................................................................................................437

ARP..................................................................................................................................................................................437

Conguration Tasks for ARP........................................................................................................................................ 438

Conguring Static ARP Entries....................................................................................................................................438

Enabling Proxy ARP.......................................................................................................................................................438

Clearing ARP Cache......................................................................................................................................................439

ARP Learning via Gratuitous ARP................................................................................................................................439

Enabling ARP Learning via Gratuitous ARP................................................................................................................439

ARP Learning via ARP Request................................................................................................................................... 439

Conguring ARP Retries...............................................................................................................................................440

ICMP................................................................................................................................................................................ 441

Conguration Tasks for ICMP.......................................................................................................................................441

Enabling ICMP Unreachable Messages....................................................................................................................... 441

UDP Helper..................................................................................................................................................................... 441

Congure UDP Helper............................................................................................................................................. 441

Important Points to Remember..............................................................................................................................442

Enabling UDP Helper.....................................................................................................................................................442

Congurations Using UDP Helper............................................................................................................................... 442

UDP Helper with Broadcast-All Addresses.................................................................................................................442

UDP Helper with Subnet Broadcast Addresses.........................................................................................................443

UDP Helper with Congured Broadcast Addresses.................................................................................................. 443

UDP Helper with No Congured Broadcast Addresses............................................................................................444

Troubleshooting UDP Helper........................................................................................................................................ 444

Contents

15

21 IPv6 Routing............................................................................................................................................ 445

Protocol Overview.........................................................................................................................................................445

Extended Address Space........................................................................................................................................446

Stateless Autoconguration................................................................................................................................... 446

IPv6 Headers............................................................................................................................................................446

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support....................................................................447

IPv6 Header Fields...................................................................................................................................................448

Extension Header Fields......................................................................................................................................... 450

Addressing.................................................................................................................................................................451

Implementing IPv6 with Dell EMC Networking OS................................................................................................... 452

ICMPv6...........................................................................................................................................................................453

Path MTU discovery..................................................................................................................................................... 454

IPv6 Neighbor Discovery..............................................................................................................................................454

IPv6 Neighbor Discovery of MTU Packets.......................................................................................................... 455

Conguring the IPv6 Recursive DNS Server....................................................................................................... 455

Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................456

Displaying IPv6 RDNSS Information......................................................................................................................456

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 457

Conguration Tasks for IPv6........................................................................................................................................ 457

Adjusting Your CAM-Prole....................................................................................................................................457

Assigning an IPv6 Address to an Interface...........................................................................................................458

Assigning a Static IPv6 Route................................................................................................................................459

Conguring Telnet with IPv6..................................................................................................................................459

SNMP over IPv6......................................................................................................................................................460

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

Displaying an IPv6 Interface Information.............................................................................................................. 460

Showing IPv6 Routes...............................................................................................................................................461

Showing the Running-Conguration for an Interface.........................................................................................462

Clearing IPv6 Routes...............................................................................................................................................463

Disabling ND Entry Timeout................................................................................................................................... 463

Conguring IPv6 RA Guard.......................................................................................................................................... 463

Conguring IPv6 RA Guard on an Interface.........................................................................................................465

Monitoring IPv6 RA Guard..................................................................................................................................... 466

22 iSCSI Optimization...................................................................................................................................467

iSCSI Optimization Overview....................................................................................................................................... 467

Monitoring iSCSI Trac Flows...............................................................................................................................469

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 469

Information Monitored in iSCSI Trac Flows.......................................................................................................469

Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 470

Conguring Detection and Ports for Dell Compellent Arrays............................................................................. 470

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer..................................................................471

Enable and Disable iSCSI Optimization..................................................................................................................471

Default iSCSI Optimization Values............................................................................................................................... 472

iSCSI Optimization Prerequisites..................................................................................................................................472

16

Contents

Conguring iSCSI Optimization....................................................................................................................................472

Displaying iSCSI Optimization Information..................................................................................................................474

23 Intermediate System to Intermediate System...........................................................................................476

IS-IS Protocol Overview................................................................................................................................................476

IS-IS Addressing.............................................................................................................................................................476

Multi-Topology IS-IS.......................................................................................................................................................477

Transition Mode........................................................................................................................................................477

Interface Support.....................................................................................................................................................478

Adjacencies...............................................................................................................................................................478

Graceful Restart.............................................................................................................................................................478

Timers........................................................................................................................................................................478

Implementation Information..........................................................................................................................................478

Conguration Information.............................................................................................................................................479

Conguration Tasks for IS-IS..................................................................................................................................480

Conguring the Distance of a Route..................................................................................................................... 487

Changing the IS-Type.............................................................................................................................................. 488

Redistributing IPv4 Routes.....................................................................................................................................490

Redistributing IPv6 Routes......................................................................................................................................491

Conguring Authentication Passwords.................................................................................................................492

Setting the Overload Bit......................................................................................................................................... 492

Debugging IS-IS....................................................................................................................................................... 493

IS-IS Metric Styles.........................................................................................................................................................494

Congure Metric Values............................................................................................................................................... 494

Maximum Values in the Routing Table.................................................................................................................. 494

Change the IS-IS Metric Style in One Level Only................................................................................................494

Leaks from One Level to Another..........................................................................................................................496

Sample Congurations.................................................................................................................................................. 497

24 Link Aggregation Control Protocol (LACP).............................................................................................. 499

Introduction to Dynamic LAGs and LACP.................................................................................................................. 499

Important Points to Remember............................................................................................................................. 499

LACP Modes............................................................................................................................................................500

Conguring LACP Commands...............................................................................................................................500

LACP Conguration Tasks.............................................................................................................................................501

Creating a LAG......................................................................................................................................................... 501

Conguring the LAG Interfaces as Dynamic.........................................................................................................501

Setting the LACP Long Timeout........................................................................................................................... 502

Monitoring and Debugging LACP..........................................................................................................................502

Shared LAG State Tracking.......................................................................................................................................... 503

Conguring Shared LAG State Tracking...............................................................................................................503

Important Points about Shared LAG State Tracking...........................................................................................505

LACP Basic Conguration Example............................................................................................................................ 505

Congure a LAG on ALPHA...................................................................................................................................505

25 Layer 2..................................................................................................................................................... 514

Contents

17

Manage the MAC Address Table.................................................................................................................................. 514

Clearing the MAC Address Table............................................................................................................................514

Setting the Aging Time for Dynamic Entries.........................................................................................................514

Conguring a Static MAC Address........................................................................................................................ 515

Displaying the MAC Address Table.........................................................................................................................515

MAC Learning Limit........................................................................................................................................................515

Setting the MAC Learning Limit............................................................................................................................. 516

mac learning-limit Dynamic..................................................................................................................................... 516

mac learning-limit mac-address-sticky.................................................................................................................. 516

mac learning-limit station-move............................................................................................................................. 517

mac learning-limit no-station-move........................................................................................................................517

Learning Limit Violation Actions..............................................................................................................................517

Setting Station Move Violation Actions................................................................................................................. 518

Recovering from Learning Limit and Station Move Violations............................................................................518

Enabling port security.............................................................................................................................................. 519

NIC Teaming....................................................................................................................................................................519

Congure Redundant Pairs...........................................................................................................................................520

Important Points about Conguring Redundant Pairs........................................................................................ 522

Far-End Failure Detection.............................................................................................................................................523

FEFD State Changes...............................................................................................................................................524

Conguring FEFD.................................................................................................................................................... 525

Enabling FEFD on an Interface.............................................................................................................................. 525

Debugging FEFD......................................................................................................................................................526

26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 528

802.1AB (LLDP) Overview............................................................................................................................................528

Protocol Data Units................................................................................................................................................. 528

Optional TLVs.................................................................................................................................................................529

Management TLVs.................................................................................................................................................. 529

TIA-1057 (LLDP-MED) Overview................................................................................................................................. 531

TIA Organizationally Specic TLVs.........................................................................................................................531

Congure LLDP............................................................................................................................................................. 535

Related Conguration Tasks...................................................................................................................................535

Important Points to Remember............................................................................................................................. 535

LLDP Compatibility..................................................................................................................................................536

CONFIGURATION versus INTERFACE Congurations............................................................................................ 536

Enabling LLDP................................................................................................................................................................536

Disabling and Undoing LLDP.................................................................................................................................. 537

Enabling LLDP on Management Ports........................................................................................................................ 537

Disabling and Undoing LLDP on Management Ports.......................................................................................... 537

Advertising TLVs............................................................................................................................................................ 537

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................539

Reserved Unrecognized LLDP TLVs..................................................................................................................... 539

Organizational Specic Unrecognized LLDP TLVs..............................................................................................539

Viewing Unrecognized LLDP TLVs........................................................................................................................ 539

Viewing the LLDP Conguration................................................................................................................................. 540

18

Contents

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................540

Examples of Viewing Information Advertised by Neighbors.............................................................................. 540

Conguring LLDPDU Intervals..................................................................................................................................... 542

Conguring LLDP Notication Interval....................................................................................................................... 543

Conguring Transmit and Receive Mode....................................................................................................................543

Conguring the Time to Live Value............................................................................................................................. 544

Debugging LLDP............................................................................................................................................................545

Relevant Management Objects................................................................................................................................... 546

27 Microsoft Network Load Balancing...........................................................................................................551

NLB Unicast Mode Scenario.........................................................................................................................................551

NLB Multicast Mode Scenario......................................................................................................................................551

Limitations of the NLB Feature....................................................................................................................................552

Microsoft Clustering......................................................................................................................................................552

Enable and Disable VLAN Flooding ............................................................................................................................ 552

Conguring a Switch for NLB .....................................................................................................................................552

Enabling a Switch for Multicast NLB.................................................................................................................... 553

28 Multicast Source Discovery Protocol (MSDP)......................................................................................... 554

Protocol Overview.........................................................................................................................................................554

Anycast RP.....................................................................................................................................................................555

Implementation Information......................................................................................................................................... 556

Congure Multicast Source Discovery Protocol........................................................................................................556

Related Conguration Tasks...................................................................................................................................556

Enable MSDP.................................................................................................................................................................560

Manage the Source-Active Cache...............................................................................................................................561

Viewing the Source-Active Cache......................................................................................................................... 561

Limiting the Source-Active Cache......................................................................................................................... 561

Clearing the Source-Active Cache........................................................................................................................562

Enabling the Rejected Source-Active Cache....................................................................................................... 562

Accept Source-Active Messages that Fail the RFP Check......................................................................................562

Specifying Source-Active Messages.......................................................................................................................... 565

Limiting the Source-Active Messages from a Peer...................................................................................................566

Preventing MSDP from Caching a Local Source.......................................................................................................566

Preventing MSDP from Caching a Remote Source.................................................................................................. 567

Preventing MSDP from Advertising a Local Source..................................................................................................567

Logging Changes in Peership States...........................................................................................................................568

Terminating a Peership..................................................................................................................................................568

Clearing Peer Statistics.................................................................................................................................................569

Debugging MSDP..........................................................................................................................................................569

MSDP with Anycast RP................................................................................................................................................570

Conguring Anycast RP.................................................................................................................................................571

Reducing Source-Active Message Flooding.........................................................................................................572

Specifying the RP Address Used in SA Messages.............................................................................................. 572

MSDP Sample Congurations......................................................................................................................................574

Contents

19

32 Multicast Listener Discovery Protocol......................................................................................................577

MLD Version 1.................................................................................................................................................................577

MLD Querier Router...................................................................................................................................................... 577

Joining a Multicast Group............................................................................................................................................. 578

Leaving a Multicast Group............................................................................................................................................578

MLD version 2................................................................................................................................................................ 578

MLD timers.....................................................................................................................................................................580

Reducing Host Response Burstiness..................................................................................................................... 581

Conguring MLD Version.............................................................................................................................................. 581

Clearing MLD groups..................................................................................................................................................... 581

Debugging MLD..............................................................................................................................................................581

Explicit Tracking..............................................................................................................................................................581

Reducing Leave Latency...............................................................................................................................................582

Displaying MLD groups table........................................................................................................................................582

Displaying MLD Interfaces............................................................................................................................................582

30 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 583

Protocol Overview.........................................................................................................................................................583

Spanning Tree Variations.............................................................................................................................................. 584

Implementation Information....................................................................................................................................584

Congure Multiple Spanning Tree Protocol................................................................................................................584

Related Conguration Tasks...................................................................................................................................584

Enable Multiple Spanning Tree Globally...................................................................................................................... 585

Adding and Removing Interfaces.................................................................................................................................585

Creating Multiple Spanning Tree Instances................................................................................................................ 585

Inuencing MSTP Root Selection................................................................................................................................587

Interoperate with Non-Dell Bridges............................................................................................................................. 587

Changing the Region Name or Revision..................................................................................................................... 588

Modifying Global Parameters.......................................................................................................................................588

Modifying the Interface Parameters........................................................................................................................... 589

Conguring an EdgePort.............................................................................................................................................. 590

Flush MAC Addresses after a Topology Change........................................................................................................ 591

MSTP Sample Congurations.......................................................................................................................................591

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

CongurationSFTOS Example Running-Conguration.......................................................................................592

Debugging and Verifying MSTP Congurations........................................................................................................ 596

31 Multicast Features................................................................................................................................... 598

Enabling IP Multicast.....................................................................................................................................................598

Implementation Information......................................................................................................................................... 598

Multicast Policies...........................................................................................................................................................599

IPv4 Multicast Policies............................................................................................................................................599

Understanding Multicast Traceroute (mtrace).......................................................................................................... 606

Important Points to Remember..............................................................................................................................607

Printing Multicast Traceroute (mtrace) Paths............................................................................................................607

20

Contents

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