Dell PowerSwitch S6100-ON Owner's manual

Dell Configuration Guide for the S6100 ON

System

9.13.0.0

Notes, cautions, and warnings

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

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

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

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2017 - 12

Rev. A00

Contents

1 About this Guide...........................................................................................................................................36

Audience........................................................................................................................................................................... 36

Conventions......................................................................................................................................................................36

Related Documents......................................................................................................................................................... 36

2 Conguration Fundamentals........................................................................................................................ 37

Accessing the Command Line........................................................................................................................................ 37

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

Navigating CLI Modes...............................................................................................................................................39

The do Command............................................................................................................................................................ 42

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

Obtaining Help..................................................................................................................................................................43

Entering and Editing Commands....................................................................................................................................43

Command History............................................................................................................................................................ 44

Filtering show Command Outputs.................................................................................................................................44

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

Multiple Users in Conguration Mode...........................................................................................................................45

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

Viewing alias conguration........................................................................................................................................46

3 Getting Started............................................................................................................................................48

Console Access................................................................................................................................................................49

Serial Console.............................................................................................................................................................49

Micro USB-B Access.................................................................................................................................................50

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

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

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

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

Congure the Management Port IP Address..........................................................................................................51

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

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

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

Conguration File Management.....................................................................................................................................53

Copy Files to and from the System......................................................................................................................... 53

Mounting an NFS File System..................................................................................................................................54

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

Congure the Overload Bit for a Startup Scenario............................................................................................... 56

Viewing Files...............................................................................................................................................................56

Managing the File System...............................................................................................................................................57

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

Upgrading Dell EMC Networking OS............................................................................................................................ 58

Using HTTP for File Transfers........................................................................................................................................ 58

Contents

3

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

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

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

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

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

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

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

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

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

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

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

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

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

Setting Up a Secure Connection to a Syslog Server.............................................................................................66

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

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

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

Sending System Messages to a Syslog Server............................................................................................................68

Conguring a UNIX System as a Syslog Server.....................................................................................................68

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

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

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

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

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

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

Conguring Concurrent Session Limit......................................................................................................................71

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

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

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

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

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

Synchronizing Log Messages......................................................................................................................................... 75

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

File Transfer Services.......................................................................................................................................................76

Conguration Task List for File Transfer Services..................................................................................................76

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

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

Conguring FTP Client Parameters......................................................................................................................... 77

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

Denying and Permitting Access to a Terminal Line................................................................................................ 78

Conguring Login Authentication for Terminal Lines.............................................................................................79

Setting Timeout for EXEC Privilege Mode...................................................................................................................80

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

Lock CONFIGURATION Mode........................................................................................................................................81

Viewing the Conguration Lock Status................................................................................................................... 81

4

Contents

LPC Bus Quality Degradation......................................................................................................................................... 82

LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................83

Restoring the Factory Default Settings.........................................................................................................................83

Important Points to Remember................................................................................................................................83

Restoring Factory Default Environment Variables................................................................................................. 84

Reloading the system...................................................................................................................................................... 85

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

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

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

EAP over RADIUS......................................................................................................................................................90

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

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

Important Points to Remember...................................................................................................................................... 91

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

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

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

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

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

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

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

Conguring a Quiet Period after a Failed Authentication........................................................................................... 96

Forcibly Authorizing or Unauthorizing a Port................................................................................................................97

Re-Authenticating a Port................................................................................................................................................98

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

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

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

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

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

Multi-Host Authentication.............................................................................................................................................102

Conguring Multi-Host AuthenticationConguring Single-Host Authentication............................................. 104

Multi-Supplicant Authentication...................................................................................................................................105

Conguring Multi-Supplicant AuthenticationRestricting Multi-Supplicant Authentication............................ 105

MAC Authentication Bypass.........................................................................................................................................106

MAB in Single-host and Multi-Host Mode............................................................................................................ 107

MAB in Multi-Supplicant Authentication Mode.................................................................................................... 107

Conguring MAC Authentication Bypass.............................................................................................................. 107

Dynamic CoS with 802.1X............................................................................................................................................. 108

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)...................................110

Optimizing CAM Utilization During the Attachment of ACLs to VLANs..................................................................110

Guidelines for Conguring ACL VLAN Groups.............................................................................................................111

Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters................................................ 111

Conguring ACL VLAN Groups................................................................................................................................111

Conguring FP Blocks for VLAN Parameters........................................................................................................112

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

Contents

5

Allocating FP Blocks for VLAN Processes................................................................................................................... 114

ACL Optimization to Increase Number of Supported IPv4 ACLs..............................................................................115

Restrictions for ACL Optimization.......................................................................................................................... 115

Optimizing ACL for More Number of IPv4 ACL Rules..........................................................................................115

7 Access Control Lists (ACLs)........................................................................................................................ 117

IP Access Control Lists (ACLs)......................................................................................................................................118

CAM Usage................................................................................................................................................................118

Implementing ACLs on Dell EMC Networking OS.................................................................................................119

Congure ACL Range Proles................................................................................................................................. 121

Important Points to Remember.....................................................................................................................................121

Conguration Task List for Route Maps................................................................................................................ 122

Conguring Match Routes...................................................................................................................................... 124

Conguring Set Conditions..................................................................................................................................... 125

Congure a Route Map for Route Redistribution.................................................................................................126

Congure a Route Map for Route Tagging............................................................................................................127

Continue Clause........................................................................................................................................................127

IP Fragment Handling.....................................................................................................................................................127

IP Fragments ACL Examples...................................................................................................................................128

Layer 4 ACL Rules Examples...................................................................................................................................128

Congure a Standard IP ACL........................................................................................................................................129

Conguring a Standard IP ACL Filter..................................................................................................................... 130

Congure an Extended IP ACL......................................................................................................................................131

Conguring Filters with a Sequence Number........................................................................................................131

Conguring Filters Without a Sequence Number.................................................................................................134

Congure Layer 2 and Layer 3 ACLs............................................................................................................................134

Assign an IP ACL to an Interface..................................................................................................................................135

Applying an IP ACL.........................................................................................................................................................135

Counting ACL Hits....................................................................................................................................................136

Congure Ingress ACLs................................................................................................................................................. 136

Congure Egress ACLs.................................................................................................................................................. 137

Applying Egress Layer 3 ACLs (Control-Plane).....................................................................................................137

IP Prex Lists.................................................................................................................................................................. 138

Implementation Information.................................................................................................................................... 138

Conguration Task List for Prex Lists.................................................................................................................. 139

ACL Resequencing......................................................................................................................................................... 142

Resequencing an ACL or Prex List.......................................................................................................................143

Route Maps.....................................................................................................................................................................144

Implementation Information.................................................................................................................................... 144

8 Bidirectional Forwarding Detection (BFD).................................................................................................. 145

How BFD Works............................................................................................................................................................. 145

BFD Packet Format..................................................................................................................................................146

BFD Sessions............................................................................................................................................................ 147

BFD Three-Way Handshake.................................................................................................................................... 148

Session State Changes............................................................................................................................................150

6

Contents

Important Points to Remember....................................................................................................................................150

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

Congure BFD for Physical Ports........................................................................................................................... 151

Congure BFD for Static Routes............................................................................................................................154

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.........................................................................................................................................176

Conguring Protocol Liveness................................................................................................................................ 179

9 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 180

Autonomous Systems (AS)...........................................................................................................................................180

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

Establish a Session................................................................................................................................................... 182

Route Reectors.............................................................................................................................................................183

BGP Attributes................................................................................................................................................................184

Best Path Selection Criteria....................................................................................................................................184

Weight........................................................................................................................................................................186

Local Preference.......................................................................................................................................................186

Multi-Exit Discriminators (MEDs)...........................................................................................................................187

Origin..........................................................................................................................................................................188

AS Path......................................................................................................................................................................189

Next Hop................................................................................................................................................................... 189

Multiprotocol BGP..........................................................................................................................................................189

Implement BGP with Dell EMC Networking OS.........................................................................................................190

Additional Path (Add-Path) Support......................................................................................................................190

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 190

Ignore Router-ID in Best-Path Calculation.............................................................................................................191

Four-Byte AS Numbers............................................................................................................................................ 191

AS4 Number Representation...................................................................................................................................191

AS Number Migration.............................................................................................................................................. 193

BGP4 Management Information Base (MIB)........................................................................................................194

Important Points to Remember.............................................................................................................................. 194

Conguration Information............................................................................................................................................. 195

BGP Conguration......................................................................................................................................................... 195

Enabling BGP............................................................................................................................................................ 196

Conguring AS4 Number Representations...........................................................................................................199

Conguring Peer Groups.........................................................................................................................................201

Conguring BGP Fast Fall-Over............................................................................................................................ 203

Conguring Passive Peering...................................................................................................................................205

Maintaining Existing AS Numbers During an AS Migration................................................................................ 205

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 206

Enabling Graceful Restart.......................................................................................................................................207

Enabling Neighbor Graceful Restart......................................................................................................................208

Filtering on an AS-Path Attribute.......................................................................................................................... 208

Contents

7

Regular Expressions as Filters.................................................................................................................................210

Redistributing Routes............................................................................................................................................... 211

Enabling Additional Paths........................................................................................................................................ 212

Conguring IP Community Lists............................................................................................................................. 212

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

Filtering Routes with Community Lists.................................................................................................................. 214

Manipulating the COMMUNITY Attribute.............................................................................................................215

Changing MED Attributes....................................................................................................................................... 216

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

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

Changing the WEIGHT Attribute............................................................................................................................218

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

Filtering BGP Routes................................................................................................................................................218

Filtering BGP Routes Using Route Maps..............................................................................................................220

Filtering BGP Routes Using AS-PATH Information..............................................................................................220

Conguring BGP Route Reectors........................................................................................................................ 221

Aggregating Routes.................................................................................................................................................222

Conguring BGP Confederations.......................................................................................................................... 222

Enabling Route Flap Dampening............................................................................................................................ 223

Changing BGP Timers.............................................................................................................................................225

Enabling BGP Neighbor Soft-Reconguration.....................................................................................................225

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

Route Map Continue............................................................................................................................................... 228

Enabling MBGP Congurations................................................................................................................................... 228

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 229

BGP Regular Expression Optimization........................................................................................................................229

Debugging BGP............................................................................................................................................................. 229

Storing Last and Bad PDUs....................................................................................................................................230

Capturing PDUs........................................................................................................................................................231

PDU Counters.......................................................................................................................................................... 232

Sample Congurations.................................................................................................................................................. 232

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

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

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

View CAM-ACL Settings............................................................................................................................................... 241

View CAM Usage...........................................................................................................................................................242

Conguring CAM Threshold and Silence Period........................................................................................................243

Setting CAM Threshold and Silence Period..........................................................................................................243

CAM Optimization......................................................................................................................................................... 244

Troubleshoot CAM Proling..........................................................................................................................................244

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

Syslog Error When the Table is Full....................................................................................................................... 245

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................245

Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................245

Unied Forwarding Table (UFT) Modes......................................................................................................................245

8

Contents

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

11 Control Plane Policing (CoPP).................................................................................................................. 247

Congure Control Plane Policing................................................................................................................................. 248

Conguring CoPP for Protocols............................................................................................................................ 249

Conguring CoPP for CPU Queues....................................................................................................................... 251

Protocol to CPU Queue Mapping..........................................................................................................................252

Conguring Protocol to CPU Queue Mapping.....................................................................................................252

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

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

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

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

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

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

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

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

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

Data Center Bridging: Default Conguration..............................................................................................................260

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

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

Conguring PFC in a DCB Map................................................................................................................................... 263

PFC Conguration Notes........................................................................................................................................263

PFC Prerequisites and Restrictions....................................................................................................................... 264

Applying a DCB Map on a Port.................................................................................................................................... 264

Conguring PFC without a DCB Map.........................................................................................................................265

Priority-Based Flow Control Using Dynamic Buer Method................................................................................... 265

Pause and Resume of Trac..................................................................................................................................265

Buer Sizes for Lossless or PFC Packets............................................................................................................ 266

Shared headroom for lossless or PFC packets.......................................................................................................... 266

Example Scenario.....................................................................................................................................................267

Conguring Shared Head Room Buer................................................................................................................ 268

Viewing Shared Head Room Usage.......................................................................................................................268

Monitoring Buer Statistics for Tracking Purposes............................................................................................ 269

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

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

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................270

Conguration Example for DSCP and PFC Priorities.................................................................................................271

Using PFC to Manage Converged Ethernet Trac....................................................................................................271

Generation of PFC for a Priority for Untagged Packets............................................................................................271

Congure Enhanced Transmission Selection..............................................................................................................272

Creating an ETS Priority Group..............................................................................................................................272

ETS Operation with DCBx...................................................................................................................................... 273

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

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 275

Using ETS to Manage Converged Ethernet Trac................................................................................................... 275

Contents

9

Applying DCB Policies in a Switch Stack.................................................................................................................... 275

Congure a DCBx Operation........................................................................................................................................275

DCBx Operation....................................................................................................................................................... 276

DCBx Port Roles...................................................................................................................................................... 276

DCB Conguration Exchange.................................................................................................................................277

Conguration Source Election................................................................................................................................278

Propagation of DCB Information............................................................................................................................278

Auto-Detection and Manual Conguration of the DCBx Version.......................................................................279

DCBx Example..........................................................................................................................................................279

DCBx Prerequisites and Restrictions.....................................................................................................................280

Conguring DCBx....................................................................................................................................................280

Verifying the DCB Conguration..................................................................................................................................284

QoS dot1p Trac Classication and Queue Assignment...........................................................................................291

Conguring the Dynamic Buer Method.................................................................................................................... 291

Sample DCB Conguration...........................................................................................................................................292

PFC and ETS Conguration Command Examples...............................................................................................294

13 Dynamic Host Conguration Protocol (DHCP).........................................................................................295

DHCP Packet Format and Options............................................................................................................................. 295

Assign an IP Address using DHCP............................................................................................................................... 297

Implementation Information..........................................................................................................................................298

Congure the System to be a DHCP Server............................................................................................................. 298

Conguring the Server for Automatic Address Allocation..................................................................................299

Specifying a Default Gateway................................................................................................................................300

Congure a Method of Hostname Resolution..................................................................................................... 300

Using DNS for Address Resolution........................................................................................................................300

Using NetBIOS WINS for Address Resolution...................................................................................................... 301

Creating Manual Binding Entries............................................................................................................................ 301

Debugging the DHCP Server..................................................................................................................................301

Using DHCP Clear Commands.............................................................................................................................. 302

Congure the System to be a DHCP Client............................................................................................................... 302

Conguring the DHCP Client System...................................................................................................................302

DHCP Client on a Management Interface............................................................................................................304

DHCP Client Operation with Other Features.......................................................................................................304

Congure the System for User Port Stacking (Option 230)................................................................................... 305

Congure Secure DHCP...............................................................................................................................................305

Option 82..................................................................................................................................................................306

DHCP Snooping.......................................................................................................................................................306

Drop DHCP Packets on Snooped VLANs Only..................................................................................................... 311

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

Conguring Dynamic ARP Inspection.................................................................................................................... 312

Source Address Validation............................................................................................................................................. 313

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

DHCP MAC Source Address Validation................................................................................................................. 314

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

Viewing the Number of SAV Dropped Packets.................................................................................................... 315

10

Contents

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

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

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

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

Link Bundle Monitoring.................................................................................................................................................. 317

Managing ECMP Group Paths................................................................................................................................318

Creating an ECMP Group Bundle...........................................................................................................................318

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

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table.......................................319

Support for ECMP in host table............................................................................................................................ 320

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 320

RTAG7.......................................................................................................................................................................320

Flow-based Hashing for ECMP.............................................................................................................................. 321

15 FIP Snooping............................................................................................................................................325

Fibre Channel over Ethernet........................................................................................................................................ 325

Ensure Robustness in a Converged Ethernet Network............................................................................................325

FIP Snooping on Ethernet Bridges.............................................................................................................................. 327

Using FIP Snooping....................................................................................................................................................... 329

FIP Snooping Prerequisites.....................................................................................................................................329

Important Points to Remember............................................................................................................................. 329

Enabling the FCoE Transit Feature........................................................................................................................330

Enable FIP Snooping on VLANs..............................................................................................................................331

Congure the FC-MAP Value................................................................................................................................. 331

Congure a Port for a Bridge-to-Bridge Link........................................................................................................331

Congure a Port for a Bridge-to-FCF Link............................................................................................................331

Impact on Other Software Features..................................................................................................................... 332

FIP Snooping Restrictions...................................................................................................................................... 332

Conguring FIP Snooping.......................................................................................................................................332

Displaying FIP Snooping Information...........................................................................................................................333

FCoE Transit Conguration Example...........................................................................................................................338

16 Flex Hash and Optimized Boot-Up............................................................................................................340

Flex Hash Capability Overview.................................................................................................................................... 340

Conguring the Flex Hash Mechanism.......................................................................................................................340

Conguring Fast Boot and LACP Fast Switchover....................................................................................................341

Optimizing the Boot Time..............................................................................................................................................341

Booting Process When Optimized Boot Time Mechanism is Enabled...............................................................341

Guidelines for Conguring Optimized Booting Mechanism................................................................................342

Interoperation of Applications with Fast Boot and System States..........................................................................343

LACP and IPv4 Routing.......................................................................................................................................... 343

LACP and IPv6 Routing.......................................................................................................................................... 343

BGP Graceful Restart............................................................................................................................................. 344

Cold Boot Caused by Power Cycling the System................................................................................................344

Unexpected Reload of the System........................................................................................................................344

Contents

11

Software Upgrade................................................................................................................................................... 344

LACP Fast Switchover............................................................................................................................................344

Changes to BGP Multipath.................................................................................................................................... 345

Delayed Installation of ECMP Routes Into BGP...................................................................................................345

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 345

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 346

17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 347

Protocol Overview......................................................................................................................................................... 347

Ring Status............................................................................................................................................................... 348

Multiple FRRP Rings................................................................................................................................................348

Important FRRP Points...........................................................................................................................................349

Important FRRP Concepts.....................................................................................................................................350

Implementing FRRP....................................................................................................................................................... 351

FRRP Conguration....................................................................................................................................................... 351

Creating the FRRP Group....................................................................................................................................... 351

Conguring the Control VLAN...............................................................................................................................352

Conguring and Adding the Member VLANs.......................................................................................................353

Setting the FRRP Timers........................................................................................................................................354

Clearing the FRRP Counters..................................................................................................................................354

Viewing the FRRP Conguration...........................................................................................................................354

Viewing the FRRP Information.............................................................................................................................. 355

Troubleshooting FRRP.................................................................................................................................................. 355

Conguration Checks..............................................................................................................................................355

Sample Conguration and Topology............................................................................................................................355

FRRP Support on VLT...................................................................................................................................................357

Example Scenario.....................................................................................................................................................357

Important Points to Remember............................................................................................................................. 358

18 GARP VLAN Registration Protocol (GVRP)..............................................................................................360

Important Points to Remember................................................................................................................................... 360

Congure GVRP............................................................................................................................................................. 361

Related Conguration Tasks....................................................................................................................................361

Enabling GVRP Globally................................................................................................................................................ 362

Enabling GVRP on a Layer 2 Interface........................................................................................................................362

Congure GVRP Registration...................................................................................................................................... 362

Congure a GARP Timer.............................................................................................................................................. 363

19 Internet Group Management Protocol (IGMP)......................................................................................... 364

IGMP Implementation Information.............................................................................................................................. 364

IGMP Protocol Overview..............................................................................................................................................364

IGMP Version 2........................................................................................................................................................ 364

IGMP Version 3........................................................................................................................................................366

Congure IGMP............................................................................................................................................................. 369

Related Conguration Tasks...................................................................................................................................369

Viewing IGMP Enabled Interfaces............................................................................................................................... 370

12

Contents

Selecting an IGMP Version........................................................................................................................................... 370

Viewing IGMP Groups................................................................................................................................................... 370

Adjusting Timers............................................................................................................................................................. 371

Adjusting Query and Response Timers.................................................................................................................. 371

Enabling IGMP Immediate-Leave.................................................................................................................................372

IGMP Snooping.............................................................................................................................................................. 372

IGMP Snooping Implementation Information....................................................................................................... 372

Conguring IGMP Snooping...................................................................................................................................372

Removing a Group-Port Association..................................................................................................................... 373

Disabling Multicast Flooding................................................................................................................................... 373

Specifying a Port as Connected to a Multicast Router.......................................................................................373

Conguring the Switch as Querier.........................................................................................................................374

Fast Convergence after MSTP Topology Changes................................................................................................... 374

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................375

Protocol Separation................................................................................................................................................. 375

Enabling and Disabling Management Egress Interface Selection...................................................................... 376

Handling of Management Route Conguration....................................................................................................377

Handling of Switch-Initiated Trac........................................................................................................................377

Handling of Switch-Destined Trac......................................................................................................................378

Handling of Transit Trac (Trac Separation).....................................................................................................379

Mapping of Management Applications and Trac Type.....................................................................................379

Behavior of Various Applications for Switch-Initiated Trac ............................................................................380

Behavior of Various Applications for Switch-Destined Trac ........................................................................... 381

Interworking of EIS With Various Applications.....................................................................................................382

Designating a Multicast Router Interface................................................................................................................... 382

20 Interfaces................................................................................................................................................ 383

Basic Interface Conguration.......................................................................................................................................383

Advanced Interface Conguration...............................................................................................................................383

Interface Types...............................................................................................................................................................384

View Basic Interface Information.................................................................................................................................384

Resetting an Interface to its Factory Default State...................................................................................................386

Enabling a Physical Interface........................................................................................................................................387

Physical Interfaces.........................................................................................................................................................387

Conguration Task List for Physical Interfaces.................................................................................................... 387

Overview of Layer Modes...................................................................................................................................... 388

Conguring Layer 2 (Data Link) Mode..................................................................................................................388

Conguring Layer 2 (Interface) Mode.................................................................................................................. 389

Conguring Layer 3 (Network) Mode...................................................................................................................389

Conguring Layer 3 (Interface) Mode.................................................................................................................. 389

Egress Interface Selection (EIS)..................................................................................................................................390

Important Points to Remember............................................................................................................................. 390

Conguring EIS........................................................................................................................................................ 390

Management Interfaces.................................................................................................................................................391

Conguring Management Interfaces..................................................................................................................... 391

Conguring a Management Interface on an Ethernet Port................................................................................392

Contents

13

S6100 — OIR...........................................................................................................................................................393

VLAN Interfaces............................................................................................................................................................ 394

Loopback Interfaces......................................................................................................................................................394

Null Interfaces................................................................................................................................................................ 395

Port Channel Interfaces................................................................................................................................................395

Port Channel Denition and Standards.................................................................................................................395

Port Channel Benets.............................................................................................................................................395

Port Channel Implementation.................................................................................................................................396

Interfaces in Port Channels.................................................................................................................................... 396

Conguration Tasks for Port Channel Interfaces.................................................................................................396

Creating a Port Channel..........................................................................................................................................397

Adding a Physical Interface to a Port Channel.....................................................................................................397

Reassigning an Interface to a New Port Channel................................................................................................399

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 399

Adding or Removing a Port Channel from a VLAN............................................................................................. 400

Assigning an IP Address to a Port Channel...........................................................................................................401

Deleting or Disabling a Port Channel......................................................................................................................401

Load Balancing Through Port Channels................................................................................................................ 401

Load-Balancing Method..........................................................................................................................................402

Changing the Hash Algorithm................................................................................................................................402

Bulk Conguration......................................................................................................................................................... 403

Interface Range........................................................................................................................................................403

Bulk Conguration Examples..................................................................................................................................404

Dening Interface Range Macros................................................................................................................................ 405

Dene the Interface Range.................................................................................................................................... 406

Choosing an Interface-Range Macro....................................................................................................................406

Monitoring and Maintaining Interfaces....................................................................................................................... 406

Split 40G Ports on a 16X40G QSFP+ Module............................................................................................................407

Splitting 100G Ports...................................................................................................................................................... 408

Link Dampening............................................................................................................................................................. 409

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

Conguration Example of Link Dampening........................................................................................................... 410

Enabling Link Dampening.........................................................................................................................................412

Link Bundle Monitoring.................................................................................................................................................. 413

Using Ethernet Pause Frames for Flow Control......................................................................................................... 414

Enabling Pause Frames............................................................................................................................................414

Congure the MTU Size on an Interface.....................................................................................................................415

Port-Pipes....................................................................................................................................................................... 416

CR4 Auto-Negotiation................................................................................................................................................... 416

FEC Conguration..........................................................................................................................................................416

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

Syslog Warning Upon Connecting SFP28 Optics with QSA.....................................................................................419

Adjusting the Keepalive Timer.......................................................................................................................................419

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

Conguring the Interface Sampling Size.............................................................................................................. 420

14

Contents

Conguring the Trac Sampling Size Globally........................................................................................................... 421

Dynamic Counters......................................................................................................................................................... 423

Clearing Interface Counters....................................................................................................................................423

Enhanced Validation of Interface Ranges...................................................................................................................424

Compressing Conguration Files................................................................................................................................. 424

21 IPv4 Routing.............................................................................................................................................428

IP Addresses...................................................................................................................................................................429

Implementation Information....................................................................................................................................429

Conguration Tasks for IP Addresses..........................................................................................................................429

Assigning IP Addresses to an Interface.......................................................................................................................429

Conguring Static Routes............................................................................................................................................ 430

Congure Static Routes for the Management Interface...........................................................................................431

Using the Congured Source IP Address in ICMP Messages..................................................................................432

Conguring the ICMP Source Interface............................................................................................................... 432

Conguring the Duration to Establish a TCP Connection........................................................................................ 432

Enabling Directed Broadcast........................................................................................................................................ 433

Resolution of Host Names............................................................................................................................................433

Enabling Dynamic Resolution of Host Names............................................................................................................433

Specifying the Local System Domain and a List of Domains................................................................................... 434

Conguring DNS with Traceroute................................................................................................................................434

ARP................................................................................................................................................................................. 435

Conguration Tasks for ARP........................................................................................................................................ 435

Conguring Static ARP Entries....................................................................................................................................435

Enabling Proxy ARP.......................................................................................................................................................436

Clearing ARP Cache......................................................................................................................................................436

ARP Learning via Gratuitous ARP................................................................................................................................436

Enabling ARP Learning via Gratuitous ARP................................................................................................................ 437

ARP Learning via ARP Request....................................................................................................................................437

Conguring ARP Retries...............................................................................................................................................438

ICMP............................................................................................................................................................................... 438

Conguration Tasks for ICMP...................................................................................................................................... 438

Enabling ICMP Unreachable Messages...................................................................................................................... 438

UDP Helper.....................................................................................................................................................................439

Congure UDP Helper.............................................................................................................................................439

Important Points to Remember............................................................................................................................. 439

Enabling UDP Helper.....................................................................................................................................................439

Conguring a Broadcast Address................................................................................................................................ 439

Congurations Using UDP Helper............................................................................................................................... 440

UDP Helper with Broadcast-All Addresses.................................................................................................................440

UDP Helper with Subnet Broadcast Addresses..........................................................................................................441

UDP Helper with Congured Broadcast Addresses...................................................................................................441

UDP Helper with No Congured Broadcast Addresses............................................................................................442

Troubleshooting UDP Helper........................................................................................................................................ 442

22 IPv6 Routing............................................................................................................................................443

Contents

15

Protocol Overview.........................................................................................................................................................443

Extended Address Space........................................................................................................................................444

Stateless Autoconguration................................................................................................................................... 444

IPv6 Headers............................................................................................................................................................444

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support................................................................... 445

IPv6 Header Fields...................................................................................................................................................446

Extension Header Fields..........................................................................................................................................448

Addressing................................................................................................................................................................ 449

Implementing IPv6 with Dell EMC Networking OS...................................................................................................450

ICMPv6...........................................................................................................................................................................450

Path MTU Discovery.....................................................................................................................................................450

IPv6 Neighbor Discovery...............................................................................................................................................451

IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 451

Conguring the IPv6 Recursive DNS Server........................................................................................................ 451

Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................452

Displaying IPv6 RDNSS Information......................................................................................................................453

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 453

Conguration Tasks for IPv6........................................................................................................................................ 454

Adjusting Your CAM-Prole....................................................................................................................................454

Assigning an IPv6 Address to an Interface...........................................................................................................455

Assigning a Static IPv6 Route................................................................................................................................455

Conguring Telnet with IPv6..................................................................................................................................456

SNMP over IPv6......................................................................................................................................................456

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

Displaying an IPv6 Interface Information.............................................................................................................. 457

Showing IPv6 Routes..............................................................................................................................................458

Showing the Running-Conguration for an Interface.........................................................................................459

Clearing IPv6 Routes...............................................................................................................................................459

Disabling ND Entry Timeout................................................................................................................................... 460

Conguring IPv6 RA Guard.......................................................................................................................................... 460

Conguring IPv6 RA Guard on an Interface.........................................................................................................462

Monitoring IPv6 RA Guard......................................................................................................................................462

23 iSCSI Optimization...................................................................................................................................463

iSCSI Optimization Overview....................................................................................................................................... 463

Monitoring iSCSI Trac Flows...............................................................................................................................465

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 465

Information Monitored in iSCSI Trac Flows.......................................................................................................465

Detection and Auto-Conguration for Dell EqualLogic Arrays...........................................................................466

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................466

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer................................................................. 467

Enable and Disable iSCSI Optimization................................................................................................................. 467

Default iSCSI Optimization Values...............................................................................................................................468

iSCSI Optimization Prerequisites................................................................................................................................. 468

Conguring iSCSI Optimization................................................................................................................................... 468

Displaying iSCSI Optimization Information..................................................................................................................470

16

Contents

24 Intermediate System to Intermediate System...........................................................................................472

IS-IS Protocol Overview................................................................................................................................................472

IS-IS Addressing.............................................................................................................................................................472

Multi-Topology IS-IS.......................................................................................................................................................473

Transition Mode........................................................................................................................................................473

Interface Support.....................................................................................................................................................474

Adjacencies............................................................................................................................................................... 474

Graceful Restart.............................................................................................................................................................474

Timers........................................................................................................................................................................474

Implementation Information..........................................................................................................................................474

Conguration Information.............................................................................................................................................475

Conguration Tasks for IS-IS..................................................................................................................................476

Conguring the Distance of a Route.....................................................................................................................483

Changing the IS-Type.............................................................................................................................................. 484

Redistributing IPv4 Routes.....................................................................................................................................486

Redistributing IPv6 Routes..................................................................................................................................... 487

Conguring Authentication Passwords.................................................................................................................488

Setting the Overload Bit......................................................................................................................................... 488

Debugging IS-IS....................................................................................................................................................... 489

IS-IS Metric Styles.........................................................................................................................................................490

Congure Metric Values............................................................................................................................................... 490

Maximum Values in the Routing Table................................................................................................................... 491

Change the IS-IS Metric Style in One Level Only.................................................................................................491

Leaks from One Level to Another..........................................................................................................................492

Sample Congurations.................................................................................................................................................. 493

25 In-Service Software Upgrade.................................................................................................................. 496

ISSU Introduction.......................................................................................................................................................... 496

Warmboot Limitations.............................................................................................................................................496

Fastboot 2.0 (Zero Loss Upgrade).............................................................................................................................. 496

L2 ISSU........................................................................................................................................................................... 497

L3 ISSU........................................................................................................................................................................... 497

CoPP............................................................................................................................................................................... 498

Mirroring ow control packets..................................................................................................................................... 498

PFC..................................................................................................................................................................................498

QoS..................................................................................................................................................................................498

Tunnel Conguration..................................................................................................................................................... 498

26 Link Aggregation Control Protocol (LACP).............................................................................................. 500

Introduction to Dynamic LAGs and LACP.................................................................................................................. 500

Important Points to Remember............................................................................................................................. 500

LACP Modes.............................................................................................................................................................501

Conguring LACP Commands................................................................................................................................501

LACP Conguration Tasks............................................................................................................................................502

Creating a LAG.........................................................................................................................................................502

Contents

17

Conguring the LAG Interfaces as Dynamic........................................................................................................502

Setting the LACP Long Timeout........................................................................................................................... 503

Monitoring and Debugging LACP..........................................................................................................................503

Shared LAG State Tracking.......................................................................................................................................... 504

Conguring Shared LAG State Tracking...............................................................................................................504

Important Points about Shared LAG State Tracking...........................................................................................506

LACP Basic Conguration Example............................................................................................................................ 506

Congure a LAG on ALPHA...................................................................................................................................506

27 Layer 2..................................................................................................................................................... 515

Manage the MAC Address Table..................................................................................................................................515

Clearing the MAC Address Table............................................................................................................................515

Setting the Aging Time for Dynamic Entries.........................................................................................................515

Conguring a Static MAC Address.........................................................................................................................516

Displaying the MAC Address Table.........................................................................................................................516

MAC Learning Limit........................................................................................................................................................516

Setting the MAC Learning Limit............................................................................................................................. 517

mac learning-limit Dynamic......................................................................................................................................517

mac learning-limit mac-address-sticky.................................................................................................................. 517

mac learning-limit station-move............................................................................................................................. 518

mac learning-limit no-station-move....................................................................................................................... 518

Learning Limit Violation Actions..............................................................................................................................518

Setting Station Move Violation Actions.................................................................................................................519

Recovering from Learning Limit and Station Move Violations............................................................................519

Disabling MAC Address Learning on the System.................................................................................................520

NIC Teaming................................................................................................................................................................... 520

Congure Redundant Pairs........................................................................................................................................... 521

Important Points about Conguring Redundant Pairs........................................................................................ 523

Far-End Failure Detection............................................................................................................................................. 524

FEFD State Changes...............................................................................................................................................525

Conguring FEFD.................................................................................................................................................... 526

Enabling FEFD on an Interface...............................................................................................................................526

Debugging FEFD...................................................................................................................................................... 527

28 Link Layer Discovery Protocol (LLDP)..................................................................................................... 529

802.1AB (LLDP) Overview............................................................................................................................................529

Protocol Data Units................................................................................................................................................. 529

Optional TLVs.................................................................................................................................................................530

Management TLVs.................................................................................................................................................. 530

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 532

TIA Organizationally Specic TLVs........................................................................................................................ 532

Congure LLDP............................................................................................................................................................. 536

Related Conguration Tasks...................................................................................................................................536

Important Points to Remember............................................................................................................................. 536

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

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

18

Contents

Enabling LLDP................................................................................................................................................................ 537

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

Enabling LLDP on Management Ports........................................................................................................................538

Disabling and Undoing LLDP on Management Ports..........................................................................................538

Advertising TLVs............................................................................................................................................................ 538

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

Reserved Unrecognized LLDP TLVs..................................................................................................................... 540

Organizational Specic Unrecognized LLDP TLVs..............................................................................................540

Viewing Unrecognized LLDP TLVs........................................................................................................................540

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

Viewing Information Advertised by Adjacent LLDP Neighbors.................................................................................541

Examples of Viewing Information Advertised by Neighbors............................................................................... 541

Conguring LLDPDU Intervals..................................................................................................................................... 543

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

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

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

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

29 Microsoft Network Load Balancing...........................................................................................................551

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Contents

19

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

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

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

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

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

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

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

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

31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 577

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

Spanning Tree Variations...............................................................................................................................................578

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

Congure Multiple Spanning Tree Protocol................................................................................................................ 578

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

Enable Multiple Spanning Tree Globally.......................................................................................................................579

Adding and Removing Interfaces.................................................................................................................................579

Creating Multiple Spanning Tree Instances................................................................................................................ 580

Inuencing MSTP Root Selection................................................................................................................................580

Interoperate with Non-Dell Bridges..............................................................................................................................581

Changing the Region Name or Revision......................................................................................................................581

Modifying Global Parameters....................................................................................................................................... 582

Modifying the Interface Parameters........................................................................................................................... 583

Conguring an EdgePort.............................................................................................................................................. 584

Flush MAC Addresses after a Topology Change....................................................................................................... 585

MSTP Sample Congurations......................................................................................................................................585

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

CongurationSFTOS Example Running-Conguration.......................................................................................585

Debugging and Verifying MSTP Congurations.........................................................................................................587

32 Multicast Features...................................................................................................................................589

Enabling IP Multicast.....................................................................................................................................................589

Implementation Information......................................................................................................................................... 589

Multicast Policies...........................................................................................................................................................590

IPv4 Multicast Policies............................................................................................................................................590

Understanding Multicast Traceroute (mtrace)...........................................................................................................597

Important Points to Remember............................................................................................................................. 598

Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 598

Supported Error Codes.................................................................................................................................................599

mtrace Scenarios...........................................................................................................................................................600

33 Object Tracking....................................................................................................................................... 606

Object Tracking Overview............................................................................................................................................ 606

Track Layer 2 Interfaces..........................................................................................................................................607

Track Layer 3 Interfaces..........................................................................................................................................607

Track IPv4 and IPv6 Routes...................................................................................................................................608

20

Contents

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