Dell PowerSwitch Z9100-ON Owner's manual

Dell EMC Networking OS Conguration Guide for

the Z9100–ON System

9.14.1.5

Notes, cautions, and warnings

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

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

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

may be trademarks of their respective owners.

2019 - 05

Rev. A00

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Micro USB-B Access..................................................................................................................................................51

Default Conguration...................................................................................................................................................... 52

Conguring a Host Name............................................................................................................................................... 52

Accessing the System Remotely....................................................................................................................................52

Accessing the System Remotely..............................................................................................................................52

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

Congure a Management Route..............................................................................................................................53

Conguring a Username and Password.................................................................................................................. 53

Conguring the Enable Password..................................................................................................................................54

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

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

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

Save the Running-Conguration..............................................................................................................................57

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

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

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

View Command History.................................................................................................................................................. 59

Upgrading Dell EMC Networking OS............................................................................................................................. 61

Using HTTP for File Transfers.........................................................................................................................................61

Contents

3

Verify Software Images Before Installation....................................................................................................................61

4 Management................................................................................................................................................63

Conguring Privilege Levels............................................................................................................................................63

Creating a Custom Privilege Level...........................................................................................................................64

Removing a Command from EXEC Mode.............................................................................................................. 64

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................64

Allowing Access to CONFIGURATION Mode Commands....................................................................................64

Allowing Access to Dierent Modes........................................................................................................................64

Applying a Privilege Level to a Username...............................................................................................................66

Applying a Privilege Level to a Terminal Line.......................................................................................................... 66

Conguring Logging........................................................................................................................................................ 66

Audit and Security Logs............................................................................................................................................ 67

Conguring Logging Format ...................................................................................................................................68

Setting Up a Secure Connection to a Syslog Server.............................................................................................68

Log Messages in the Internal Buer..............................................................................................................................70

Conguration Task List for System Log Management.......................................................................................... 70

Disabling System Logging............................................................................................................................................... 70

Sending System Messages to a Syslog Server............................................................................................................ 70

Conguring a UNIX System as a Syslog Server.....................................................................................................70

Track Login Activity.......................................................................................................................................................... 71

Restrictions for Tracking Login Activity................................................................................................................... 71

Conguring Login Activity Tracking..........................................................................................................................71

Display Login Statistics.............................................................................................................................................. 72

Limit Concurrent Login Sessions....................................................................................................................................73

Restrictions for Limiting the Number of Concurrent Sessions.............................................................................73

Conguring Concurrent Session Limit.....................................................................................................................73

Enabling the System to Clear Existing Sessions.....................................................................................................74

Enabling Secured CLI Mode........................................................................................................................................... 75

Changing System Logging Settings...............................................................................................................................75

Display the Logging Buer and the Logging Conguration........................................................................................ 76

Conguring a UNIX Logging Facility Level....................................................................................................................76

Synchronizing Log Messages......................................................................................................................................... 77

Enabling Timestamp on Syslog Messages.................................................................................................................... 78

File Transfer Services...................................................................................................................................................... 80

Conguration Task List for File Transfer Services...................................................................................................81

Enabling the FTP Server............................................................................................................................................81

Conguring FTP Server Parameters........................................................................................................................ 81

Conguring FTP Client Parameters.........................................................................................................................82

Terminal Lines................................................................................................................................................................... 82

Denying and Permitting Access to a Terminal Line................................................................................................82

Conguring Login Authentication for Terminal Lines.............................................................................................83

Setting Timeout for EXEC Privilege Mode................................................................................................................... 84

Using Telnet to get to Another Network Device..........................................................................................................85

Lock CONFIGURATION Mode.......................................................................................................................................85

Viewing the Conguration Lock Status...................................................................................................................86

4

Contents

LPC Bus Quality Degradation.........................................................................................................................................86

LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................86

Reloading the system.......................................................................................................................................................87

Restoring the Factory Default Settings.........................................................................................................................88

Important Points to Remember................................................................................................................................88

Restoring Factory Default Environment Variables................................................................................................. 88

Viewing the Reason for Last System Reboot.............................................................................................................. 89

Disabling Syslog Messages for SNMP Authentication Failure Events...................................................................... 89

5 802.1X......................................................................................................................................................... 90

Port-Authentication Process..........................................................................................................................................92

EAP over RADIUS......................................................................................................................................................92

Conguring 802.1X...........................................................................................................................................................93

Related Conguration Tasks..................................................................................................................................... 93

Important Points to Remember......................................................................................................................................93

Enabling 802.1X................................................................................................................................................................ 94

Conguring dot1x Prole ................................................................................................................................................95

Conguring the Static MAB and MAB Prole .............................................................................................................96

Conguring Critical VLAN ..............................................................................................................................................96

Conguring MAC addresses for a do1x Prole............................................................................................................. 97

Conguring Request Identity Re-Transmissions...........................................................................................................98

Conguring a Quiet Period after a Failed Authentication..................................................................................... 98

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 99

Re-Authenticating a Port.............................................................................................................................................. 100

Conguring Timeouts..................................................................................................................................................... 101

Conguring Dynamic VLAN Assignment with Port Authentication......................................................................... 102

Guest and Authentication-Fail VLANs.........................................................................................................................103

Conguring a Guest VLAN......................................................................................................................................103

Conguring an Authentication-Fail VLAN............................................................................................................. 103

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 105

Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 105

Guidelines for Conguring ACL VLAN Groups........................................................................................................... 106

Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters...............................................106

Conguring ACL VLAN Groups.............................................................................................................................. 106

Conguring FP Blocks for VLAN Parameters....................................................................................................... 107

Viewing CAM Usage...................................................................................................................................................... 108

Allocating FP Blocks for VLAN Processes.................................................................................................................. 109

ACL Optimization to Increase Number of Supported IPv4 ACLs.............................................................................109

Restrictions for ACL Optimization.......................................................................................................................... 110

Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................110

7 Access Control Lists (ACLs)........................................................................................................................ 111

IP Access Control Lists (ACLs)......................................................................................................................................112

CAM Usage................................................................................................................................................................113

Implementing ACLs on Dell EMC Networking OS.................................................................................................114

Contents

5

Congure ACL Range Proles....................................................................................................................................... 115

Important Points to Remember.....................................................................................................................................116

Conguration Task List for Route Maps.................................................................................................................116

Conguring Match Routes.......................................................................................................................................119

Conguring Set Conditions..................................................................................................................................... 120

Congure a Route Map for Route Redistribution..................................................................................................121

Congure a Route Map for Route Tagging............................................................................................................ 121

Continue Clause........................................................................................................................................................122

IP Fragment Handling.................................................................................................................................................... 122

IP Fragments ACL Examples...................................................................................................................................122

Layer 4 ACL Rules Examples...................................................................................................................................123

Congure a Standard IP ACL........................................................................................................................................ 124

Conguring a Standard IP ACL Filter..................................................................................................................... 125

Congure an Extended IP ACL..................................................................................................................................... 125

Conguring Filters with a Sequence Number....................................................................................................... 126

Conguring Filters Without a Sequence Number.................................................................................................128

Congure Layer 2 and Layer 3 ACLs............................................................................................................................129

Assign an IP ACL to an Interface..................................................................................................................................130

Applying an IP ACL.........................................................................................................................................................130

Counting ACL Hits.....................................................................................................................................................131

Congure Ingress ACLs.................................................................................................................................................. 131

Congure Egress ACLs...................................................................................................................................................131

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 132

Conguring UDF ACL.....................................................................................................................................................133

IP Prex Lists.................................................................................................................................................................. 135

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

Conguration Task List for Prex Lists.................................................................................................................. 136

ACL Remarks.................................................................................................................................................................. 139

Conguring a Remark.............................................................................................................................................. 139

Deleting a Remark.................................................................................................................................................... 140

ACL Resequencing..........................................................................................................................................................141

Resequencing an ACL or Prex List........................................................................................................................141

Route Maps.....................................................................................................................................................................142

Implementation Information.................................................................................................................................... 142

8 Bidirectional Forwarding Detection (BFD).................................................................................................. 144

How BFD Works............................................................................................................................................................. 144

BFD Packet Format..................................................................................................................................................145

BFD Sessions............................................................................................................................................................ 146

BFD Three-Way Handshake.................................................................................................................................... 147

Session State Changes............................................................................................................................................149

Important Points to Remember.................................................................................................................................... 149

Congure BFD................................................................................................................................................................ 150

Congure BFD for Physical Ports.......................................................................................................................... 150

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

Congure BFD for IPv6 Static Routes...................................................................................................................155

6

Contents

Congure BFD for OSPF......................................................................................................................................... 157

Congure BFD for OSPFv3.....................................................................................................................................162

Congure BFD for IS-IS...........................................................................................................................................165

Congure BFD for BGP........................................................................................................................................... 167

Congure BFD for VRRP.........................................................................................................................................175

Conguring Protocol Liveness.................................................................................................................................177

9 Border Gateway Protocol (BGP).................................................................................................................178

BGP IP version 4 (BGPv4) Overview.......................................................................................................................... 178

BGP Autonomous Systems..................................................................................................................................... 178

AS4 Number Representation.................................................................................................................................. 180

Four-Byte AS Numbers............................................................................................................................................182

BGP router ID............................................................................................................................................................182

Sessions and Peers...................................................................................................................................................182

Establish a Session................................................................................................................................................... 183

BGP Attributes for selecting Best Path.................................................................................................................183

Multiprotocol BGP....................................................................................................................................................188

BGP global and address family conguration........................................................................................................189

Implement BGP with Dell EMC Networking OS....................................................................................................191

Conguration Information........................................................................................................................................194

Basic BGP conguration tasks......................................................................................................................................194

Prerequisite for conguring a BGP network......................................................................................................... 194

Restrictions............................................................................................................................................................... 195

Enabling BGP............................................................................................................................................................ 195

Enabling four-byte autonomous system numbers................................................................................................ 197

Changing a BGP router ID.......................................................................................................................................198

Conguring AS4 Number Representations........................................................................................................... 198

Conguring a BGP peer..........................................................................................................................................200

Example-Conguring BGP routing between peers.............................................................................................. 201

BGP peer group....................................................................................................................................................... 202

Advanced BGP conguration tasks.............................................................................................................................208

Route-refresh and Soft-reconguration............................................................................................................... 209

Aggregating Routes.................................................................................................................................................. 211

Filtering BGP.............................................................................................................................................................213

Conguring BGP Fast Fall-Over............................................................................................................................ 220

Conguring Passive Peering................................................................................................................................... 221

Enabling Graceful Restart.......................................................................................................................................222

Redistributing Routes..............................................................................................................................................223

Enabling Additional Paths........................................................................................................................................224

Conguring IP Community Lists............................................................................................................................ 225

Conguring an IP Extended Community List....................................................................................................... 226

Congure BGP attributes........................................................................................................................................227

Enabling Multipath....................................................................................................................................................231

Route Reectors...................................................................................................................................................... 232

Enabling Route Flap Dampening............................................................................................................................ 233

Changing BGP keepalive and hold timers.............................................................................................................235

Contents

7

Setting the extended timer.................................................................................................................................... 236

Enabling or disabling BGP neighbors..................................................................................................................... 237

Route Map Continue............................................................................................................................................... 238

Conguring BGP Confederations.......................................................................................................................... 238

Conguring a BGP VRF address family................................................................................................................ 239

Maintaining Existing AS Numbers During an AS Migration................................................................................ 240

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 241

Enabling MBGP Congurations..............................................................................................................................242

MBGP support for IPv6.......................................................................................................................................... 242

Conguring IPv6 MBGP between peers...............................................................................................................243

Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 244

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 246

BGP Regular Expression Optimization.................................................................................................................. 248

Debugging BGP........................................................................................................................................................248

10 Content Addressable Memory (CAM)....................................................................................................... 251

CAM Allocation............................................................................................................................................................... 251

Test CAM Usage............................................................................................................................................................253

View CAM-ACL Settings.............................................................................................................................................. 253

View CAM Usage...........................................................................................................................................................254

Conguring CAM Threshold and Silence Period........................................................................................................255

Setting CAM Threshold and Silence Period......................................................................................................... 255

CAM Optimization......................................................................................................................................................... 256

Troubleshoot CAM Proling..........................................................................................................................................256

QoS CAM Region Limitation...................................................................................................................................256

Syslog Error When the Table is Full....................................................................................................................... 257

Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................... 257

Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 257

Unied Forwarding Table (UFT) Modes......................................................................................................................257

Conguring UFT Modes......................................................................................................................................... 258

IPv6 CAM ACL Region..................................................................................................................................................258

Important Points to Remember............................................................................................................................. 258

Convert the IPv6 ACL CAM to Double-Wide.......................................................................................................259

Sharing CAM space between IPv4 QoS and IPv6 ACLs.................................................................................... 259

11 Control Plane Policing (CoPP)...................................................................................................................261

Congure Control Plane Policing................................................................................................................................. 262

Conguring CoPP for Protocols............................................................................................................................ 263

Conguring CoPP for CPU Queues...................................................................................................................... 265

Protocol to CPU Queue Mapping..........................................................................................................................266

Conguring Protocol to CPU Queue Mapping.....................................................................................................266

Displaying CoPP Conguration ............................................................................................................................. 267

12 Data Center Bridging (DCB).....................................................................................................................269

Ethernet Enhancements in Data Center Bridging..................................................................................................... 269

Priority-Based Flow Control................................................................................................................................... 270

8

Contents

Enhanced Transmission Selection...........................................................................................................................271

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................272

Data Center Bridging in a Trac Flow...................................................................................................................273

Buer Organization..................................................................................................................................................273

Enabling Data Center Bridging..................................................................................................................................... 275

DCB Maps and its Attributes..................................................................................................................................276

Data Center Bridging: Default Conguration..............................................................................................................276

Conguring Priority-Based Flow Control.................................................................................................................... 277

Conguring Lossless Queues..................................................................................................................................278

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

PFC Conguration Notes........................................................................................................................................279

PFC Prerequisites and Restrictions.......................................................................................................................280

Applying a DCB Map on a Port....................................................................................................................................280

Conguring PFC without a DCB Map..........................................................................................................................281

Conguring PFC Asymmetric....................................................................................................................................... 281

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................282

Pause and Resume of Trac..................................................................................................................................282

Buer Sizes for Lossless or PFC Packets.............................................................................................................282

Shared headroom for lossless or PFC packets.......................................................................................................... 283

Example Scenario.................................................................................................................................................... 283

Conguring Shared Head Room Buer................................................................................................................ 285

Viewing Shared Head Room Usage.......................................................................................................................285

Monitoring Buer Statistics for Tracking Purposes............................................................................................ 285

Behavior of Tagged Packets.........................................................................................................................................286

Conguration Example for DSCP and PFC Priorities................................................................................................286

SNMP Support for PFC and Buer Statistics Tracking............................................................................................287

Performing PFC Using DSCP Bits Instead of 802.1p Bits......................................................................................... 287

PFC and ETS Conguration Examples........................................................................................................................288

Using PFC to Manage Converged Ethernet Trac...................................................................................................288

Operations on Untagged Packets................................................................................................................................288

Generation of PFC for a Priority for Untagged Packets...........................................................................................289

Congure Enhanced Transmission Selection..............................................................................................................289

Creating an ETS Priority Group..............................................................................................................................289

ETS Operation with DCBx......................................................................................................................................290

Conguring ETS in a DCB Map.............................................................................................................................. 291

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 292

Using ETS to Manage Converged Ethernet Trac...................................................................................................292

Applying DCB Policies in a Switch Stack.................................................................................................................... 292

Congure a DCBx Operation........................................................................................................................................293

DCBx Operation....................................................................................................................................................... 293

DCBx Port Roles...................................................................................................................................................... 293

DCB Conguration Exchange................................................................................................................................ 295

Conguration Source Election............................................................................................................................... 295

Propagation of DCB Information........................................................................................................................... 296

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 296

Contents

9

DCBx Example......................................................................................................................................................... 296

DCBx Prerequisites and Restrictions.....................................................................................................................297

Conguring DCBx.................................................................................................................................................... 297

Verifying the DCB Conguration................................................................................................................................. 300

QoS dot1p Trac Classication and Queue Assignment..........................................................................................308

Conguring the Dynamic Buer Method................................................................................................................... 308

Sample DCB Conguration...........................................................................................................................................309

PFC and ETS Conguration Command Examples................................................................................................ 311

13 Dynamic Host Conguration Protocol (DHCP)..........................................................................................312

DHCP Packet Format and Options.............................................................................................................................. 312

Assign an IP Address using DHCP................................................................................................................................314

Implementation Information.......................................................................................................................................... 315

Congure the System to be a DHCP Server.............................................................................................................. 315

Conguring the Server for Automatic Address Allocation...................................................................................316

Specifying a Default Gateway................................................................................................................................. 317

Congure a Method of Hostname Resolution...................................................................................................... 317

Using DNS for Address Resolution.........................................................................................................................317

Using NetBIOS WINS for Address Resolution...................................................................................................... 318

Creating Manual Binding Entries............................................................................................................................ 318

Debugging the DHCP Server..................................................................................................................................318

Using DHCP Clear Commands............................................................................................................................... 319

Congure the System to be a DHCP Client................................................................................................................319

Conguring the DHCP Client System....................................................................................................................319

DHCP Client on a Management Interface.............................................................................................................321

DHCP Client Operation with Other Features........................................................................................................321

DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................ 322

Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 322

Non-default VRF conguration for DHCPv6 helper address...................................................................................323

Conguring DHCP relay source interface................................................................................................................... 324

Global DHCP relay source IPv4 or IPv6 conguration ....................................................................................... 324

Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................325

Congure Secure DHCP...............................................................................................................................................326

Option 82..................................................................................................................................................................326

DHCPv6 relay agent options.................................................................................................................................. 327

DHCP Snooping....................................................................................................................................................... 327

Drop DHCP Packets on Snooped VLANs Only....................................................................................................332

Dynamic ARP Inspection.........................................................................................................................................332

Conguring Dynamic ARP Inspection................................................................................................................... 333

Source Address Validation............................................................................................................................................ 335

Enabling IP Source Address Validation..................................................................................................................335

DHCP MAC Source Address Validation................................................................................................................ 336

Enabling IP+MAC Source Address Validation.......................................................................................................336

Viewing the Number of SAV Dropped Packets....................................................................................................337

Clearing the Number of SAV Dropped Packets................................................................................................... 337

10

Contents

14 Equal Cost Multi-Path (ECMP)................................................................................................................ 338

ECMP for Flow-Based Anity..................................................................................................................................... 338

Conguring the Hash Algorithm............................................................................................................................ 338

Enabling Deterministic ECMP Next Hop.............................................................................................................. 338

Conguring the Hash Algorithm Seed.................................................................................................................. 339

Link Bundle Monitoring................................................................................................................................................. 339

Managing ECMP Group Paths...............................................................................................................................340

Creating an ECMP Group Bundle..........................................................................................................................340

Modifying the ECMP Group Threshold.................................................................................................................340

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table.......................................341

Support for ECMP in host table............................................................................................................................ 342

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 342

15 FIP Snooping............................................................................................................................................343

Fibre Channel over Ethernet........................................................................................................................................ 343

Ensure Robustness in a Converged Ethernet Network............................................................................................ 343

FIP Snooping on Ethernet Bridges..............................................................................................................................345

Using FIP Snooping....................................................................................................................................................... 347

FIP Snooping Prerequisites.....................................................................................................................................347

Important Points to Remember..............................................................................................................................347

Enabling the FCoE Transit Feature........................................................................................................................348

Enable FIP Snooping on VLANs.............................................................................................................................349

Congure the FC-MAP Value................................................................................................................................ 349

Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 349

Congure a Port for a Bridge-to-FCF Link...........................................................................................................349

Impact on Other Software Features..................................................................................................................... 349

FIP Snooping Restrictions...................................................................................................................................... 350

Conguring FIP Snooping.......................................................................................................................................350

Displaying FIP Snooping Information............................................................................................................................351

FCoE Transit Conguration Example.......................................................................................................................... 356

16 Flex Hash and Optimized Boot-Up............................................................................................................358

Flex Hash Capability Overview.................................................................................................................................... 358

Conguring the Flex Hash Mechanism.......................................................................................................................358

Conguring Fast Boot and LACP Fast Switchover...................................................................................................359

Optimizing the Boot Time.............................................................................................................................................359

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................359

Guidelines for Conguring Optimized Booting Mechanism................................................................................360

Interoperation of Applications with Fast Boot and System States...........................................................................361

LACP and IPv4 Routing...........................................................................................................................................361

LACP and IPv6 Routing...........................................................................................................................................361

BGP Graceful Restart............................................................................................................................................. 362

Cold Boot Caused by Power Cycling the System................................................................................................362

Unexpected Reload of the System........................................................................................................................362

Software Upgrade................................................................................................................................................... 362

Contents

11

LACP Fast Switchover............................................................................................................................................362

Changes to BGP Multipath.................................................................................................................................... 363

Delayed Installation of ECMP Routes Into BGP...................................................................................................363

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 363

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 364

17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 365

Protocol Overview.........................................................................................................................................................365

Ring Status............................................................................................................................................................... 366

Multiple FRRP Rings............................................................................................................................................... 366

Important FRRP Points........................................................................................................................................... 367

Important FRRP Concepts..................................................................................................................................... 368

Implementing FRRP.......................................................................................................................................................369

FRRP Conguration...................................................................................................................................................... 369

Creating the FRRP Group...................................................................................................................................... 369

Conguring the Control VLAN...............................................................................................................................369

Conguring and Adding the Member VLANs........................................................................................................371

Setting the FRRP Timers........................................................................................................................................ 372

Clearing the FRRP Counters.................................................................................................................................. 372

Viewing the FRRP Conguration........................................................................................................................... 372

Viewing the FRRP Information...............................................................................................................................372

Troubleshooting FRRP...................................................................................................................................................373

Conguration Checks.............................................................................................................................................. 373

Sample Conguration and Topology............................................................................................................................ 373

FRRP Support on VLT................................................................................................................................................... 374

Example Scenario.....................................................................................................................................................375

Important Points to Remember..............................................................................................................................376

18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 377

Important Points to Remember....................................................................................................................................377

Congure GVRP.............................................................................................................................................................378

Related Conguration Tasks................................................................................................................................... 378

Enabling GVRP Globally................................................................................................................................................ 379

Enabling GVRP on a Layer 2 Interface........................................................................................................................ 379

Congure GVRP Registration.......................................................................................................................................379

Congure a GARP Timer.............................................................................................................................................. 380

19 Internet Group Management Protocol (IGMP).......................................................................................... 381

IGMP Implementation Information............................................................................................................................... 381

IGMP Protocol Overview...............................................................................................................................................381

IGMP Version 2.........................................................................................................................................................381

IGMP Version 3........................................................................................................................................................ 383

Congure IGMP............................................................................................................................................................. 386

Related Conguration Tasks...................................................................................................................................386

Viewing IGMP Enabled Interfaces............................................................................................................................... 387

Selecting an IGMP Version........................................................................................................................................... 387

12

Contents

Viewing IGMP Groups...................................................................................................................................................388

Adjusting Timers............................................................................................................................................................ 388

Adjusting Query and Response Timers................................................................................................................. 388

Enabling IGMP Immediate-Leave.................................................................................................................................389

IGMP Snooping..............................................................................................................................................................390

IGMP Snooping Implementation Information.......................................................................................................390

Conguring IGMP Snooping.................................................................................................................................. 390

Removing a Group-Port Association......................................................................................................................391

Disabling Multicast Flooding....................................................................................................................................391

Specifying a Port as Connected to a Multicast Router....................................................................................... 391

Conguring the Switch as Querier........................................................................................................................ 392

Fast Convergence after MSTP Topology Changes...................................................................................................392

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................392

Protocol Separation................................................................................................................................................. 393

Enabling and Disabling Management Egress Interface Selection...................................................................... 394

Handling of Management Route Conguration................................................................................................... 395

Handling of Switch-Initiated Trac.......................................................................................................................395

Handling of Switch-Destined Trac......................................................................................................................396

Handling of Transit Trac (Trac Separation).....................................................................................................397

Mapping of Management Applications and Trac Type..................................................................................... 397

Behavior of Various Applications for Switch-Initiated Trac ............................................................................398

Behavior of Various Applications for Switch-Destined Trac .......................................................................... 399

Interworking of EIS With Various Applications.....................................................................................................399

Designating a Multicast Router Interface...................................................................................................................400

20 Interfaces.................................................................................................................................................401

Basic Interface Conguration........................................................................................................................................401

Advanced Interface Conguration............................................................................................................................... 401

Interface Types...............................................................................................................................................................402

View Basic Interface Information.................................................................................................................................402

Resetting an Interface to its Factory Default State...................................................................................................404

Enabling a Physical Interface........................................................................................................................................405

Physical Interfaces.........................................................................................................................................................405

Conguration Task List for Physical Interfaces....................................................................................................405

Overview of Layer Modes...................................................................................................................................... 406

Conguring Layer 2 (Data Link) Mode..................................................................................................................406

Conguring Layer 2 (Interface) Mode.................................................................................................................. 406

Conguring Layer 3 (Network) Mode...................................................................................................................407

Conguring Layer 3 (Interface) Mode...................................................................................................................407

Automatic recovery of an Err-disabled interface.......................................................................................................408

Conguring an automatic recovery for an Err-disabled interface......................................................................409

Egress Interface Selection (EIS)..................................................................................................................................409

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

Conguring EIS.........................................................................................................................................................410

Management Interfaces................................................................................................................................................ 410

Conguring Management Interfaces..................................................................................................................... 410

Contents

13

Conguring a Management Interface on an Ethernet Port................................................................................. 411

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

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

Null Interfaces................................................................................................................................................................. 413

Port Channel Interfaces.................................................................................................................................................413

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

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

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

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

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

Creating a Port Channel.......................................................................................................................................... 415

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

Reassigning an Interface to a New Port Channel.................................................................................................417

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

Adding or Removing a Port Channel from a VLAN.............................................................................................. 418

Assigning an IP Address to a Port Channel........................................................................................................... 419

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

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

Load-Balancing Method..........................................................................................................................................420

Changing the Hash Algorithm................................................................................................................................420

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

Interface Range........................................................................................................................................................ 421

Bulk Conguration Examples..................................................................................................................................422

Dening Interface Range Macros................................................................................................................................ 423

Dene the Interface Range.....................................................................................................................................424

Choosing an Interface-Range Macro.................................................................................................................... 424

Monitoring and Maintaining Interfaces........................................................................................................................424

Maintenance Using TDR......................................................................................................................................... 425

Non Dell-Qualied Transceivers................................................................................................................................... 426

Splitting 100G Ports...................................................................................................................................................... 426

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

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

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

Enabling Link Dampening........................................................................................................................................430

Link Bundle Monitoring.................................................................................................................................................. 431

Using Ethernet Pause Frames for Flow Control........................................................................................................ 432

Enabling Pause Frames........................................................................................................................................... 432

Congure the MTU Size on an Interface....................................................................................................................433

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................434

Port-Pipes.......................................................................................................................................................................434

CR4 Auto-Negotiation...................................................................................................................................................434

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

Syslog Warning Upon Connecting SFP28 Optics with QSA....................................................................................436

FEC Conguration......................................................................................................................................................... 436

View interface information with FEC type..................................................................................................................438

14

Contents

View Advanced Interface Information.........................................................................................................................439

Conguring the Interface Sampling Size.............................................................................................................. 440

Conguring the Trac Sampling Size Globally........................................................................................................... 441

Dynamic Counters......................................................................................................................................................... 443

Clearing Interface Counters....................................................................................................................................443

Enhanced Validation of Interface Ranges...................................................................................................................444

Compressing Conguration Files................................................................................................................................. 444

OUI on 25G and 50G Interfaces..................................................................................................................................446

Conguring OUI on 25G and 50G Interfaces.......................................................................................................447

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

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

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

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

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

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

Adding description for IPv4 and IPv6 static routes..............................................................................................451

Congure Static Routes for the Management Interface.......................................................................................... 452

IPv4 Path MTU Discovery Overview.......................................................................................................................... 452

Packet handling during MTU mismatch................................................................................................................453

Using the Congured Source IP Address in ICMP Messages..................................................................................453

Conguring the ICMP Source Interface............................................................................................................... 453

Conguring the Duration to Establish a TCP Connection........................................................................................ 454

Enabling Directed Broadcast........................................................................................................................................ 454

Resolution of Host Names............................................................................................................................................454

Enabling Dynamic Resolution of Host Names............................................................................................................455

Specifying the Local System Domain and a List of Domains................................................................................... 455

Conguring DNS with Traceroute............................................................................................................................... 456

ARP................................................................................................................................................................................. 456

Conguration Tasks for ARP........................................................................................................................................ 457

Conguring Static ARP Entries....................................................................................................................................457

Enabling Proxy ARP.......................................................................................................................................................457

Clearing ARP Cache......................................................................................................................................................458

ARP Learning via Gratuitous ARP............................................................................................................................... 458

Enabling ARP Learning via Gratuitous ARP................................................................................................................458

ARP Learning via ARP Request................................................................................................................................... 458

Conguring ARP Retries...............................................................................................................................................459

ICMP............................................................................................................................................................................... 460

Conguration Tasks for ICMP......................................................................................................................................460

Enabling ICMP Unreachable Messages...................................................................................................................... 460

ICMP Redirects..............................................................................................................................................................460

UDP Helper..................................................................................................................................................................... 461

Congure UDP Helper............................................................................................................................................. 461

Important Points to Remember............................................................................................................................. 462

Enabling UDP Helper.....................................................................................................................................................462

Conguring a Broadcast Address................................................................................................................................ 462

Contents

15

Congurations Using UDP Helper............................................................................................................................... 463

UDP Helper with Broadcast-All Addresses.................................................................................................................463

UDP Helper with Subnet Broadcast Addresses.........................................................................................................464

UDP Helper with Congured Broadcast Addresses..................................................................................................464

UDP Helper with No Congured Broadcast Addresses............................................................................................465

Troubleshooting UDP Helper........................................................................................................................................465

22 IPv6 Routing............................................................................................................................................466

Protocol Overview.........................................................................................................................................................466

Extended Address Space........................................................................................................................................467

Stateless Autoconguration....................................................................................................................................467

IPv6 Headers............................................................................................................................................................467

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 468

IPv6 Header Fields...................................................................................................................................................469

Extension Header Fields.......................................................................................................................................... 471

Addressing................................................................................................................................................................ 472

Implementing IPv6 with Dell EMC Networking OS................................................................................................... 473

ICMPv6........................................................................................................................................................................... 473

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

IPv6 Neighbor Discovery...............................................................................................................................................474

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................475

Conguring the IPv6 Recursive DNS Server....................................................................................................... 475

Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 476

Displaying IPv6 RDNSS Information......................................................................................................................476

Secure Shell (SSH) Over an IPv6 Transport...............................................................................................................477

Conguration Tasks for IPv6.........................................................................................................................................477

Adjusting Your CAM-Prole.................................................................................................................................... 477

Assigning an IPv6 Address to an Interface........................................................................................................... 478

Assigning a Static IPv6 Route................................................................................................................................ 479

Conguring Telnet with IPv6.................................................................................................................................. 479

SNMP over IPv6......................................................................................................................................................480

Displaying IPv6 Information....................................................................................................................................480

Displaying an IPv6 Interface Information.............................................................................................................. 480

Showing IPv6 Routes...............................................................................................................................................481

Showing the Running-Conguration for an Interface......................................................................................... 482

Clearing IPv6 Routes...............................................................................................................................................483

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

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

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

Monitoring iSCSI Trac Flows...............................................................................................................................488

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

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

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

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

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

16

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Maximum Values in the Routing Table................................................................................................................... 514

Change the IS-IS Metric Style in One Level Only.................................................................................................514

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

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

25 In-Service Software Upgrade................................................................................................................... 519

ISSU Introduction........................................................................................................................................................... 519

Warmboot Limitations..............................................................................................................................................519

Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 519

L2 ISSU........................................................................................................................................................................... 520

L3 ISSU........................................................................................................................................................................... 520

CoPP................................................................................................................................................................................521

Mirroring ow control packets......................................................................................................................................521

PFC.................................................................................................................................................................................. 521

QoS.................................................................................................................................................................................. 521

Tunnel Conguration...................................................................................................................................................... 521

26 Link Aggregation Control Protocol (LACP).............................................................................................. 523

Introduction to Dynamic LAGs and LACP.................................................................................................................. 523

Contents

17

Important Points to Remember............................................................................................................................. 523

LACP Modes............................................................................................................................................................ 524

Conguring LACP Commands............................................................................................................................... 524

LACP Conguration Tasks............................................................................................................................................525

Creating a LAG.........................................................................................................................................................525

Conguring the LAG Interfaces as Dynamic........................................................................................................525

Setting the LACP Long Timeout............................................................................................................................526

Monitoring and Debugging LACP..........................................................................................................................526

Shared LAG State Tracking...........................................................................................................................................527

Conguring Shared LAG State Tracking............................................................................................................... 527

Important Points about Shared LAG State Tracking...........................................................................................529

LACP Basic Conguration Example............................................................................................................................ 529

Congure a LAG on ALPHA................................................................................................................................... 529

27 Layer 2.....................................................................................................................................................538

Manage the MAC Address Table................................................................................................................................. 538

Clearing the MAC Address Table........................................................................................................................... 538

Setting the Aging Time for Dynamic Entries........................................................................................................538

Conguring a Static MAC Address........................................................................................................................539

Displaying the MAC Address Table........................................................................................................................539

MAC Learning Limit.......................................................................................................................................................539

Setting the MAC Learning Limit............................................................................................................................ 540

mac learning-limit Dynamic.................................................................................................................................... 540

mac learning-limit mac-address-sticky................................................................................................................. 540

mac learning-limit station-move............................................................................................................................. 541

mac learning-limit no-station-move....................................................................................................................... 541

Learning Limit Violation Actions..............................................................................................................................541

Setting Station Move Violation Actions................................................................................................................ 542

Recovering from Learning Limit and Station Move Violations........................................................................... 542

Disabling MAC Address Learning on the System.......................................................................................................543

Enabling port security................................................................................................................................................... 543

NIC Teaming................................................................................................................................................................... 543

Congure Redundant Pairs...........................................................................................................................................544

Important Points about Conguring Redundant Pairs........................................................................................ 546

Far-End Failure Detection............................................................................................................................................. 547

FEFD State Changes...............................................................................................................................................548

Conguring FEFD.................................................................................................................................................... 549

Enabling FEFD on an Interface.............................................................................................................................. 549

Debugging FEFD......................................................................................................................................................550

28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 552

802.1AB (LLDP) Overview............................................................................................................................................552

Protocol Data Units................................................................................................................................................. 552

Optional TLVs.................................................................................................................................................................553

Management TLVs.................................................................................................................................................. 553

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 555

18

Contents

TIA Organizationally Specic TLVs........................................................................................................................555

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

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

Important Points to Remember............................................................................................................................. 559

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

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

Enabling LLDP................................................................................................................................................................560

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

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

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

Advertising TLVs.............................................................................................................................................................561

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

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

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

Viewing Unrecognized LLDP TLVs........................................................................................................................ 563

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

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

Examples of Viewing Information Advertised by Neighbors.............................................................................. 564

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

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

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

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

Debugging LLDP............................................................................................................................................................568

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

29 Microsoft Network Load Balancing.......................................................................................................... 573

NLB Unicast Mode Scenario........................................................................................................................................ 573

NLB Multicast Mode Scenario..................................................................................................................................... 573

Limitations of the NLB Feature.................................................................................................................................... 574

Microsoft Clustering...................................................................................................................................................... 574

Enable and Disable VLAN Flooding .............................................................................................................................574

Conguring a Switch for NLB ..................................................................................................................................... 574

Enabling a Switch for Multicast NLB.................................................................................................................... 575

30 Multicast Source Discovery Protocol (MSDP)......................................................................................... 576

Protocol Overview......................................................................................................................................................... 576

Anycast RP..................................................................................................................................................................... 577

Implementation Information..........................................................................................................................................578

Congure Multicast Source Discovery Protocol........................................................................................................ 578

Related Conguration Tasks................................................................................................................................... 578

Enable MSDP................................................................................................................................................................. 582

Manage the Source-Active Cache.............................................................................................................................. 583

Viewing the Source-Active Cache.........................................................................................................................583

Limiting the Source-Active Cache.........................................................................................................................583

Clearing the Source-Active Cache........................................................................................................................584

Enabling the Rejected Source-Active Cache....................................................................................................... 584

Contents

19

Accept Source-Active Messages that Fail the RFP Check......................................................................................584

Specifying Source-Active Messages...........................................................................................................................587

Limiting the Source-Active Messages from a Peer...................................................................................................588

Preventing MSDP from Caching a Local Source.......................................................................................................588

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

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

Logging Changes in Peership States...........................................................................................................................590

Terminating a Peership..................................................................................................................................................590

Clearing Peer Statistics................................................................................................................................................. 591

Debugging MSDP...........................................................................................................................................................591

MSDP with Anycast RP................................................................................................................................................592

Conguring Anycast RP................................................................................................................................................593

Reducing Source-Active Message Flooding.........................................................................................................594

Specifying the RP Address Used in SA Messages.............................................................................................. 594

MSDP Sample Congurations..................................................................................................................................... 596

31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 599

Protocol Overview.........................................................................................................................................................599

Spanning Tree Variations.............................................................................................................................................. 600

Implementation Information................................................................................................................................... 600

Congure Multiple Spanning Tree Protocol................................................................................................................600

Related Conguration Tasks....................................................................................................................................601

Enable Multiple Spanning Tree Globally.......................................................................................................................601

Adding and Removing Interfaces..................................................................................................................................601

Creating Multiple Spanning Tree Instances................................................................................................................ 602

Inuencing MSTP Root Selection................................................................................................................................603

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

Changing the Region Name or Revision..................................................................................................................... 604

Modifying Global Parameters....................................................................................................................................... 604

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

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

Conguring an EdgePort.............................................................................................................................................. 607

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

MSTP Sample Congurations......................................................................................................................................608

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

CongurationSFTOS Example Running-Conguration.......................................................................................608

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

32 Multicast Features................................................................................................................................... 615

Enabling IP Multicast..................................................................................................................................................... 615

Implementation Information.......................................................................................................................................... 615

Multicast Policies............................................................................................................................................................616

IPv4 Multicast Policies.............................................................................................................................................616

Understanding Multicast Traceroute (mtrace)...........................................................................................................623

Important Points to Remember..............................................................................................................................624

Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 624

20

Contents

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