Dell Networking S3100 Series Owner's manual

Dell EMC Conguration Guide for the S3100

Series

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.

trademarks may be trademarks of their respective owners.

2017 - 12

Rev. A00

Contents

1 About this Guide...........................................................................................................................................34

Audience............................................................................................................................................................................34

Conventions......................................................................................................................................................................34

Related Documents......................................................................................................................................................... 34

2 Conguration Fundamentals........................................................................................................................ 35

Accessing the Command Line........................................................................................................................................35

CLI Modes.........................................................................................................................................................................35

Navigating CLI Modes............................................................................................................................................... 37

The do Command............................................................................................................................................................ 40

Undoing Commands........................................................................................................................................................ 40

Obtaining Help...................................................................................................................................................................41

Entering and Editing Commands.................................................................................................................................... 41

Command History............................................................................................................................................................ 42

Filtering show Command Outputs.................................................................................................................................42

Example of the grep Keyword.................................................................................................................................. 42

Multiple Users in Conguration Mode...........................................................................................................................43

3 Getting Started............................................................................................................................................45

Console Access................................................................................................................................................................46

Serial Console.............................................................................................................................................................46

Accessing the CLI Interface and Running Scripts Using SSH....................................................................................47

Entering CLI commands Using an SSH Connection..............................................................................................47

Executing Local CLI Scripts Using an SSH Connection........................................................................................ 47

Default Conguration...................................................................................................................................................... 48

Conguring a Host Name............................................................................................................................................... 48

Accessing the System Remotely....................................................................................................................................48

Accessing the System Remotely..............................................................................................................................48

Congure the Management Port IP Address......................................................................................................... 48

Congure a Management Route..............................................................................................................................49

Conguring a Username and Password..................................................................................................................49

Conguring the Enable Password..................................................................................................................................50

Conguration File Management.....................................................................................................................................50

Copy Files to and from the System..........................................................................................................................51

Mounting an NFS File System...................................................................................................................................51

Save the Running-Conguration..............................................................................................................................53

Congure the Overload Bit for a Startup Scenario............................................................................................... 54

Viewing Files...............................................................................................................................................................54

Compressing Conguration Files............................................................................................................................. 55

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

Enabling Software Features on Devices Using a Command Option..........................................................................58

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

Contents

3

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

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

Using HTTP for File Transfers........................................................................................................................................60

4 Management................................................................................................................................................62

Conguring Privilege Levels............................................................................................................................................62

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

Removing a Command from EXEC Mode.............................................................................................................. 63

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................63

Allowing Access to CONFIGURATION Mode Commands....................................................................................63

Allowing Access to Dierent Modes........................................................................................................................63

Applying a Privilege Level to a Username...............................................................................................................65

Applying a Privilege Level to a Terminal Line.......................................................................................................... 65

Conguring Logging........................................................................................................................................................ 65

Audit and Security Logs............................................................................................................................................ 66

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

Display the Logging Buer and the Logging Conguration..................................................................................68

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

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

Track Login Activity..........................................................................................................................................................70

Restrictions for Tracking Login Activity...................................................................................................................70

Conguring Login Activity Tracking......................................................................................................................... 70

Display Login Statistics...............................................................................................................................................71

Limit Concurrent Login Sessions....................................................................................................................................72

Restrictions for Limiting the Number of Concurrent Sessions.............................................................................72

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

Enabling the System to Clear Existing Sessions.................................................................................................... 73

Enabling Secured CLI Mode............................................................................................................................................74

Log Messages in the Internal Buer.............................................................................................................................. 74

Conguration Task List for System Log Management...........................................................................................74

Disabling System Logging................................................................................................................................................74

Sending System Messages to a Syslog Server............................................................................................................ 75

Conguring a UNIX System as a Syslog Server.....................................................................................................75

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

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

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

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

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

File Transfer Services.......................................................................................................................................................78

Conguration Task List for File Transfer Services..................................................................................................79

Enabling the FTP Server........................................................................................................................................... 79

Conguring FTP Server Parameters........................................................................................................................79

Conguring FTP Client Parameters.........................................................................................................................80

Terminal Lines...................................................................................................................................................................80

Denying and Permitting Access to a Terminal Line................................................................................................80

Conguring Login Authentication for Terminal Lines..............................................................................................81

4

Contents

Setting Timeout for EXEC Privilege Mode................................................................................................................... 82

Using Telnet to get to Another Network Device..........................................................................................................83

Lock CONFIGURATION Mode....................................................................................................................................... 83

Viewing the Conguration Lock Status...................................................................................................................83

Viewing the Reason for Last System Reboot...............................................................................................................84

5 802.1X......................................................................................................................................................... 85

Port-Authentication Process.......................................................................................................................................... 87

EAP over RADIUS...................................................................................................................................................... 87

Conguring 802.1X...........................................................................................................................................................88

Related Conguration Tasks..................................................................................................................................... 88

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

Enabling 802.1X................................................................................................................................................................ 89

Conguring dot1x Prole ................................................................................................................................................90

Conguring MAC addresses for a do1x Prole..............................................................................................................91

Conguring the Static MAB and MAB Prole ..............................................................................................................91

Conguring Critical VLAN ..............................................................................................................................................92

Conguring Request Identity Re-Transmissions...........................................................................................................93

Conguring a Quiet Period after a Failed Authentication..................................................................................... 93

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 94

Re-Authenticating a Port................................................................................................................................................95

Conguring Timeouts......................................................................................................................................................96

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................97

Guest and Authentication-Fail VLANs.......................................................................................................................... 98

Conguring a Guest VLAN....................................................................................................................................... 98

Conguring an Authentication-Fail VLAN...............................................................................................................98

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................. 100

Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................. 100

Guidelines for Conguring ACL VLAN Groups............................................................................................................ 101

Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters............................................... 101

Conguring ACL VLAN Groups...............................................................................................................................101

Conguring FP Blocks for VLAN Parameters.......................................................................................................102

Viewing CAM Usage...................................................................................................................................................... 103

Allocating FP Blocks for VLAN Processes.................................................................................................................. 104

7 Access Control Lists (ACLs)....................................................................................................................... 106

IP Access Control Lists (ACLs)..................................................................................................................................... 107

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

Implementing ACLs on Dell EMC Networking OS................................................................................................108

Important Points to Remember.....................................................................................................................................110

Conguration Task List for Route Maps.................................................................................................................110

Conguring Match Routes.......................................................................................................................................112

Conguring Set Conditions......................................................................................................................................113

Congure a Route Map for Route Redistribution..................................................................................................114

Congure a Route Map for Route Tagging............................................................................................................ 115

Contents

5

Continue Clause........................................................................................................................................................ 115

IP Fragment Handling..................................................................................................................................................... 116

IP Fragments ACL Examples................................................................................................................................... 116

Layer 4 ACL Rules Examples................................................................................................................................... 116

Congure a Standard IP ACL.........................................................................................................................................117

Conguring a Standard IP ACL Filter......................................................................................................................118

Congure an Extended IP ACL......................................................................................................................................119

Conguring Filters with a Sequence Number........................................................................................................119

Conguring Filters Without a Sequence Number.................................................................................................120

Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 121

Assign an IP ACL to an Interface..................................................................................................................................122

Applying an IP ACL.........................................................................................................................................................122

Counting ACL Hits....................................................................................................................................................123

Congure Ingress ACLs................................................................................................................................................. 123

Congure Egress ACLs.................................................................................................................................................. 123

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 124

IP Prex Lists.................................................................................................................................................................. 125

Implementation Information.................................................................................................................................... 125

Conguration Task List for Prex Lists.................................................................................................................. 125

ACL Resequencing......................................................................................................................................................... 129

Resequencing an ACL or Prex List.......................................................................................................................129

Route Maps......................................................................................................................................................................131

Implementation Information..................................................................................................................................... 131

Logging of ACL Processes............................................................................................................................................. 131

Guidelines for Conguring ACL Logging................................................................................................................132

Conguring ACL Logging.........................................................................................................................................132

Flow-Based Monitoring..................................................................................................................................................133

Behavior of Flow-Based Monitoring.......................................................................................................................133

Enabling Flow-Based Monitoring............................................................................................................................135

8 Bidirectional Forwarding Detection (BFD)...................................................................................................137

How BFD Works..............................................................................................................................................................137

BFD Packet Format..................................................................................................................................................138

BFD Sessions............................................................................................................................................................ 139

BFD Three-Way Handshake.................................................................................................................................... 140

Session State Changes............................................................................................................................................142

Important Points to Remember.................................................................................................................................... 142

Congure BFD................................................................................................................................................................ 142

Congure BFD for Physical Ports...........................................................................................................................143

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

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

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

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

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

Congure BFD for VRRP.........................................................................................................................................165

Conguring Protocol Liveness................................................................................................................................168

6

Contents

9 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 169

Autonomous Systems (AS)...........................................................................................................................................169

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

Establish a Session....................................................................................................................................................171

Route Reectors.............................................................................................................................................................172

BGP Attributes................................................................................................................................................................173

Best Path Selection Criteria.................................................................................................................................... 173

Weight........................................................................................................................................................................175

Local Preference....................................................................................................................................................... 175

Multi-Exit Discriminators (MEDs)...........................................................................................................................176

Origin.......................................................................................................................................................................... 177

AS Path...................................................................................................................................................................... 178

Next Hop................................................................................................................................................................... 178

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

Implement BGP with Dell EMC Networking OS.........................................................................................................179

Additional Path (Add-Path) Support......................................................................................................................179

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 179

Ignore Router-ID in Best-Path Calculation............................................................................................................ 180

Four-Byte AS Numbers........................................................................................................................................... 180

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

AS Number Migration.............................................................................................................................................. 182

BGP4 Management Information Base (MIB)........................................................................................................183

Important Points to Remember.............................................................................................................................. 183

Conguration Information..............................................................................................................................................184

BGP Conguration......................................................................................................................................................... 184

Enabling BGP............................................................................................................................................................ 185

Conguring AS4 Number Representations........................................................................................................... 188

Conguring Peer Groups.........................................................................................................................................190

Conguring BGP Fast Fall-Over.............................................................................................................................192

Conguring Passive Peering................................................................................................................................... 194

Maintaining Existing AS Numbers During an AS Migration.................................................................................194

Allowing an AS Number to Appear in its Own AS Path.......................................................................................195

Enabling Graceful Restart....................................................................................................................................... 196

Enabling Neighbor Graceful Restart.......................................................................................................................197

Filtering on an AS-Path Attribute............................................................................................................................197

Regular Expressions as Filters.................................................................................................................................199

Redistributing Routes..............................................................................................................................................200

Enabling Additional Paths........................................................................................................................................ 201

Conguring IP Community Lists............................................................................................................................. 201

Conguring an IP Extended Community List....................................................................................................... 202

Filtering Routes with Community Lists................................................................................................................. 203

Manipulating the COMMUNITY Attribute............................................................................................................204

Changing MED Attributes.......................................................................................................................................205

Changing the LOCAL_PREFERENCE Attribute..................................................................................................205

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 206

Contents

7

Changing the WEIGHT Attribute........................................................................................................................... 207

Enabling Multipath................................................................................................................................................... 207

Filtering BGP Routes............................................................................................................................................... 207

Filtering BGP Routes Using Route Maps..............................................................................................................209

Filtering BGP Routes Using AS-PATH Information............................................................................................. 209

Conguring BGP Route Reectors........................................................................................................................ 210

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

Conguring BGP Confederations............................................................................................................................211

Enabling Route Flap Dampening.............................................................................................................................212

Changing BGP Timers..............................................................................................................................................214

Enabling BGP Neighbor Soft-Reconguration......................................................................................................214

Enabling or disabling BGP neighbors..................................................................................................................... 215

Route Map Continue................................................................................................................................................ 217

Enabling MBGP Congurations.................................................................................................................................... 217

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 218

BGP Regular Expression Optimization.........................................................................................................................218

Debugging BGP.............................................................................................................................................................. 218

Storing Last and Bad PDUs.....................................................................................................................................219

Capturing PDUs....................................................................................................................................................... 220

PDU Counters...........................................................................................................................................................221

Sample Congurations...................................................................................................................................................221

10 Content Addressable Memory (CAM).......................................................................................................228

CAM Allocation...............................................................................................................................................................228

Test CAM Usage............................................................................................................................................................230

View CAM-ACL Settings.............................................................................................................................................. 230

View CAM Usage...........................................................................................................................................................232

Conguring CAM Threshold and Silence Period........................................................................................................232

Setting CAM Threshold and Silence Period......................................................................................................... 233

CAM Optimization......................................................................................................................................................... 234

Troubleshoot CAM Proling..........................................................................................................................................234

CAM Prole Mismatches........................................................................................................................................ 234

QoS CAM Region Limitation...................................................................................................................................234

11 Control Plane Policing (CoPP).................................................................................................................. 235

Congure Control Plane Policing................................................................................................................................. 236

Conguring CoPP for Protocols.............................................................................................................................237

Conguring CoPP for CPU Queues...................................................................................................................... 239

CoPP for OSPFv3 Packets.....................................................................................................................................240

Conguring CoPP for OSPFv3.............................................................................................................................. 243

Displaying CoPP Conguration ............................................................................................................................. 243

12 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 246

DHCP Packet Format and Options............................................................................................................................. 246

Assign an IP Address using DHCP...............................................................................................................................248

Implementation Information..........................................................................................................................................249

8

Contents

Congure the System to be a DHCP Server..............................................................................................................249

Conguring the Server for Automatic Address Allocation..................................................................................250

Specifying a Default Gateway.................................................................................................................................251

Congure a Method of Hostname Resolution...................................................................................................... 251

Using DNS for Address Resolution.........................................................................................................................251

Using NetBIOS WINS for Address Resolution..................................................................................................... 252

Creating Manual Binding Entries............................................................................................................................252

Debugging the DHCP Server................................................................................................................................. 252

Using DHCP Clear Commands.............................................................................................................................. 253

Congure the System to be a Relay Agent................................................................................................................ 253

Congure the System to be a DHCP Client...............................................................................................................255

Conguring the DHCP Client System...................................................................................................................255

DHCP Client on a Management Interface............................................................................................................256

DHCP Client Operation with Other Features....................................................................................................... 257

Congure the System for User Port Stacking (Option 230)....................................................................................258

Congure Secure DHCP...............................................................................................................................................258

Option 82..................................................................................................................................................................258

DHCP Snooping.......................................................................................................................................................259

Drop DHCP Packets on Snooped VLANs Only....................................................................................................264

Dynamic ARP Inspection.........................................................................................................................................264

Conguring Dynamic ARP Inspection................................................................................................................... 265

Source Address Validation............................................................................................................................................ 266

Enabling IP Source Address Validation..................................................................................................................266

DHCP MAC Source Address Validation.................................................................................................................267

Enabling IP+MAC Source Address Validation.......................................................................................................267

Viewing the Number of SAV Dropped Packets....................................................................................................268

Clearing the Number of SAV Dropped Packets................................................................................................... 268

13 Equal Cost Multi-Path (ECMP)................................................................................................................ 269

ECMP for Flow-Based Anity.....................................................................................................................................269

Conguring the Hash Algorithm............................................................................................................................ 269

Enabling Deterministic ECMP Next Hop.............................................................................................................. 269

Conguring the Hash Algorithm Seed...................................................................................................................270

Link Bundle Monitoring..................................................................................................................................................270

Managing ECMP Group Paths................................................................................................................................271

Creating an ECMP Group Bundle...........................................................................................................................271

Modifying the ECMP Group Threshold..................................................................................................................271

14 FIPS Cryptography................................................................................................................................... 273

Conguration Tasks....................................................................................................................................................... 273

Preparing the System....................................................................................................................................................273

Enabling FIPS Mode.......................................................................................................................................................274

Generating Host-Keys................................................................................................................................................... 274

Monitoring FIPS Mode Status......................................................................................................................................274

Disabling FIPS Mode......................................................................................................................................................275

Contents

9

15 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 276

Protocol Overview......................................................................................................................................................... 276

Ring Status................................................................................................................................................................277

Multiple FRRP Rings................................................................................................................................................277

Important FRRP Points........................................................................................................................................... 278

Important FRRP Concepts..................................................................................................................................... 279

Implementing FRRP.......................................................................................................................................................280

FRRP Conguration...................................................................................................................................................... 280

Creating the FRRP Group.......................................................................................................................................280

Conguring the Control VLAN................................................................................................................................281

Conguring and Adding the Member VLANs.......................................................................................................282

Setting the FRRP Timers........................................................................................................................................283

Clearing the FRRP Counters..................................................................................................................................283

Viewing the FRRP Conguration...........................................................................................................................283

Viewing the FRRP Information...............................................................................................................................283

Troubleshooting FRRP.................................................................................................................................................. 284

Conguration Checks..............................................................................................................................................284

Sample Conguration and Topology............................................................................................................................284

16 GARP VLAN Registration Protocol (GVRP)..............................................................................................286

Important Points to Remember................................................................................................................................... 286

Congure GVRP.............................................................................................................................................................287

Related Conguration Tasks................................................................................................................................... 287

Enabling GVRP Globally................................................................................................................................................ 288

Enabling GVRP on a Layer 2 Interface........................................................................................................................288

Congure GVRP Registration...................................................................................................................................... 288

Congure a GARP Timer.............................................................................................................................................. 289

RPM Redundancy..........................................................................................................................................................289

17 High Availability (HA)................................................................................................................................ 291

Component Redundancy...............................................................................................................................................291

Automatic and Manual Stack Unit Failover........................................................................................................... 291

Synchronization between Management and Standby Units..............................................................................292

Forcing a Stack Unit Failover................................................................................................................................. 292

Disabling Auto-Reboot............................................................................................................................................ 293

Manually Synchronizing Management and Standby Units................................................................................. 293

Pre-Conguring a Stack Unit Slot............................................................................................................................... 293

Removing a Provisioned Logical Stack Unit............................................................................................................... 294

Hitless Behavior............................................................................................................................................................. 294

Graceful Restart.............................................................................................................................................................294

Software Resiliency.......................................................................................................................................................295

Software Component Health Monitoring............................................................................................................. 295

System Health Monitoring......................................................................................................................................295

Failure and Event Logging...................................................................................................................................... 295

Hot-Lock Behavior.........................................................................................................................................................296

10

Contents

18 Internet Group Management Protocol (IGMP)..........................................................................................297

IGMP Implementation Information...............................................................................................................................297

IGMP Protocol Overview.............................................................................................................................................. 297

IGMP Version 2........................................................................................................................................................ 297

IGMP Version 3........................................................................................................................................................299

Congure IGMP............................................................................................................................................................. 302

Related Conguration Tasks...................................................................................................................................302

Viewing IGMP Enabled Interfaces............................................................................................................................... 303

Selecting an IGMP Version...........................................................................................................................................303

Viewing IGMP Groups...................................................................................................................................................303

Adjusting Timers............................................................................................................................................................ 304

Adjusting Query and Response Timers................................................................................................................. 304

Preventing a Host from Joining a Group.................................................................................................................... 305

Enabling IGMP Immediate-Leave................................................................................................................................ 308

IGMP Snooping..............................................................................................................................................................308

IGMP Snooping Implementation Information.......................................................................................................308

Conguring IGMP Snooping...................................................................................................................................308

Removing a Group-Port Association.....................................................................................................................309

Disabling Multicast Flooding...................................................................................................................................309

Specifying a Port as Connected to a Multicast Router....................................................................................... 310

Conguring the Switch as Querier.........................................................................................................................310

Fast Convergence after MSTP Topology Changes.....................................................................................................311

Egress Interface Selection (EIS) for HTTP and IGMP Applications......................................................................... 311

Protocol Separation...................................................................................................................................................311

Enabling and Disabling Management Egress Interface Selection.......................................................................312

Handling of Management Route Conguration....................................................................................................313

Handling of Switch-Initiated Trac........................................................................................................................314

Handling of Switch-Destined Trac...................................................................................................................... 314

Handling of Transit Trac (Trac Separation).....................................................................................................315

Mapping of Management Applications and Trac Type..................................................................................... 315

Behavior of Various Applications for Switch-Initiated Trac .............................................................................316

Behavior of Various Applications for Switch-Destined Trac ............................................................................317

Interworking of EIS With Various Applications......................................................................................................318

Designating a Multicast Router Interface....................................................................................................................318

19 Interfaces.................................................................................................................................................320

Basic Interface Conguration.......................................................................................................................................320

Advanced Interface Conguration...............................................................................................................................320

Interface Types................................................................................................................................................................321

Optional Modules............................................................................................................................................................321

View Basic Interface Information.................................................................................................................................322

Resetting an Interface to its Factory Default State...................................................................................................323

Enabling Energy Ecient Ethernet..............................................................................................................................324

View EEE Information....................................................................................................................................................324

Clear EEE Counters.......................................................................................................................................................328

Contents

11

Enabling a Physical Interface........................................................................................................................................329

Physical Interfaces.........................................................................................................................................................329

Conguration Task List for Physical Interfaces....................................................................................................330

Overview of Layer Modes...................................................................................................................................... 330

Conguring Layer 2 (Data Link) Mode..................................................................................................................330

Conguring Layer 2 (Interface) Mode................................................................................................................... 331

Conguring Layer 3 (Network) Mode....................................................................................................................331

Conguring Layer 3 (Interface) Mode...................................................................................................................332

Egress Interface Selection (EIS)..................................................................................................................................332

Important Points to Remember..............................................................................................................................332

Conguring EIS........................................................................................................................................................ 333

Management Interfaces................................................................................................................................................333

Conguring Management Interfaces.....................................................................................................................333

Conguring a Management Interface on an Ethernet Port............................................................................... 335

VLAN Interfaces............................................................................................................................................................ 335

Loopback Interfaces......................................................................................................................................................336

Null Interfaces................................................................................................................................................................ 336

Port Channel Interfaces................................................................................................................................................336

Port Channel Denition and Standards................................................................................................................. 337

Port Channel Benets............................................................................................................................................. 337

Port Channel Implementation.................................................................................................................................337

Interfaces in Port Channels.................................................................................................................................... 338

Conguration Tasks for Port Channel Interfaces.................................................................................................338

Creating a Port Channel..........................................................................................................................................338

Adding a Physical Interface to a Port Channel.....................................................................................................339

Reassigning an Interface to a New Port Channel................................................................................................340

Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 341

Adding or Removing a Port Channel from a VLAN.............................................................................................. 341

Assigning an IP Address to a Port Channel.......................................................................................................... 342

Deleting or Disabling a Port Channel..................................................................................................................... 343

Load Balancing Through Port Channels................................................................................................................343

Load-Balancing Method..........................................................................................................................................343

Changing the Hash Algorithm................................................................................................................................ 344

Bulk Conguration......................................................................................................................................................... 345

Interface Range........................................................................................................................................................345

Bulk Conguration Examples..................................................................................................................................345

Dening Interface Range Macros................................................................................................................................ 347

Dene the Interface Range.....................................................................................................................................347

Choosing an Interface-Range Macro.................................................................................................................... 347

Monitoring and Maintaining Interfaces........................................................................................................................348

Maintenance Using TDR......................................................................................................................................... 349

Link Dampening..............................................................................................................................................................349

Important Points to Remember............................................................................................................................. 350

Conguration Example of Link Dampening.......................................................................................................... 350

Enabling Link Dampening........................................................................................................................................352

12

Contents

Link Bundle Monitoring................................................................................................................................................. 353

Using Ethernet Pause Frames for Flow Control........................................................................................................ 354

Enabling Pause Frames...........................................................................................................................................354

Congure the MTU Size on an Interface....................................................................................................................355

Port-Pipes.......................................................................................................................................................................356

Auto-Negotiation on Ethernet Interfaces...................................................................................................................356

Setting the Speed of Ethernet Interfaces............................................................................................................356

Set Auto-Negotiation Options............................................................................................................................... 358

Provisioning Combo Ports............................................................................................................................................ 359

View Advanced Interface Information.........................................................................................................................359

Conguring the Interface Sampling Size.............................................................................................................. 360

Conguring the Trac Sampling Size Globally........................................................................................................... 361

Dynamic Counters......................................................................................................................................................... 362

Clearing Interface Counters....................................................................................................................................363

20 Internet Protocol Security (IPSec).......................................................................................................... 364

Conguring IPSec .........................................................................................................................................................364

21 IPv4 Routing............................................................................................................................................ 366

IP Addresses................................................................................................................................................................... 367

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

Conguration Tasks for IP Addresses..........................................................................................................................367

Assigning IP Addresses to an Interface.......................................................................................................................367

Conguring Static Routes............................................................................................................................................ 368

Congure Static Routes for the Management Interface..........................................................................................369

IPv4 Path MTU Discovery Overview...........................................................................................................................370

Using the Congured Source IP Address in ICMP Messages.................................................................................. 370

Conguring the ICMP Source Interface................................................................................................................370

Conguring the Duration to Establish a TCP Connection......................................................................................... 371

Enabling Directed Broadcast......................................................................................................................................... 371

Resolution of Host Names.............................................................................................................................................371

Enabling Dynamic Resolution of Host Names............................................................................................................ 372

Specifying the Local System Domain and a List of Domains....................................................................................372

Conguring DNS with Traceroute................................................................................................................................373

ARP..................................................................................................................................................................................373

Conguration Tasks for ARP.........................................................................................................................................374

Conguring Static ARP Entries.................................................................................................................................... 374

Enabling Proxy ARP....................................................................................................................................................... 374

Clearing ARP Cache...................................................................................................................................................... 375

ARP Learning via Gratuitous ARP................................................................................................................................375

Enabling ARP Learning via Gratuitous ARP................................................................................................................375

ARP Learning via ARP Request................................................................................................................................... 375

Conguring ARP Retries............................................................................................................................................... 376

ICMP................................................................................................................................................................................377

Conguration Tasks for ICMP.......................................................................................................................................377

Enabling ICMP Unreachable Messages.......................................................................................................................377

Contents

13

UDP Helper..................................................................................................................................................................... 377

Congure UDP Helper............................................................................................................................................. 377

Important Points to Remember..............................................................................................................................378

Enabling UDP Helper..................................................................................................................................................... 378

Conguring a Broadcast Address.................................................................................................................................378

Congurations Using UDP Helper................................................................................................................................379

UDP Helper with Broadcast-All Addresses.................................................................................................................379

UDP Helper with Subnet Broadcast Addresses.........................................................................................................380

UDP Helper with Congured Broadcast Addresses..................................................................................................380

UDP Helper with No Congured Broadcast Addresses.............................................................................................381

Troubleshooting UDP Helper.........................................................................................................................................381

22 IPv6 Routing............................................................................................................................................382

Protocol Overview.........................................................................................................................................................382

Extended Address Space........................................................................................................................................383

Stateless Autoconguration................................................................................................................................... 383

IPv6 Headers............................................................................................................................................................383

IPv6 Header Fields...................................................................................................................................................384

Extension Header Fields..........................................................................................................................................386

Addressing.................................................................................................................................................................387

Implementing IPv6 with Dell EMC Networking OS................................................................................................... 388

ICMPv6...........................................................................................................................................................................389

Path MTU Discovery.....................................................................................................................................................390

IPv6 Neighbor Discovery..............................................................................................................................................390

IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 391

Conguration Task List for IPv6 RDNSS.....................................................................................................................391

Conguring the IPv6 Recursive DNS Server........................................................................................................391

Debugging IPv6 RDNSS Information Sent to the Host ..................................................................................... 392

Displaying IPv6 RDNSS Information......................................................................................................................393

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 393

Conguration Tasks for IPv6........................................................................................................................................ 394

Adjusting Your CAM-Prole....................................................................................................................................394

Assigning an IPv6 Address to an Interface...........................................................................................................395

Assigning a Static IPv6 Route................................................................................................................................395

Conguring Telnet with IPv6..................................................................................................................................396

SNMP over IPv6......................................................................................................................................................396

Displaying IPv6 Information....................................................................................................................................396

Displaying an IPv6 Interface Information...............................................................................................................397

Showing IPv6 Routes.............................................................................................................................................. 397

Showing the Running-Conguration for an Interface.........................................................................................399

Clearing IPv6 Routes...............................................................................................................................................399

Disabling ND Entry Timeout................................................................................................................................... 399

Conguring IPv6 RA Guard..........................................................................................................................................400

Conguring IPv6 RA Guard on an Interface..........................................................................................................401

Monitoring IPv6 RA Guard......................................................................................................................................402

14

Contents

23 iSCSI Optimization...................................................................................................................................403

iSCSI Optimization Overview....................................................................................................................................... 403

Monitoring iSCSI Trac Flows...............................................................................................................................405

Application of Quality of Service to iSCSI Trac Flows..................................................................................... 405

Information Monitored in iSCSI Trac Flows.......................................................................................................405

Detection and Auto-Conguration for Dell EqualLogic Arrays...........................................................................406

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................406

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................407

Enable and Disable iSCSI Optimization................................................................................................................. 407

Default iSCSI Optimization Values...............................................................................................................................408

iSCSI Optimization Prerequisites................................................................................................................................. 408

Conguring iSCSI Optimization................................................................................................................................... 408

Displaying iSCSI Optimization Information.................................................................................................................. 410

24 Intermediate System to Intermediate System........................................................................................... 412

IS-IS Protocol Overview................................................................................................................................................ 412

IS-IS Addressing..............................................................................................................................................................412

Multi-Topology IS-IS....................................................................................................................................................... 413

Transition Mode........................................................................................................................................................ 413

Interface Support..................................................................................................................................................... 414

Adjacencies................................................................................................................................................................414

Graceful Restart............................................................................................................................................................. 414

Timers........................................................................................................................................................................ 414

Implementation Information.......................................................................................................................................... 414

Conguration Information..............................................................................................................................................415

Conguration Tasks for IS-IS.................................................................................................................................. 416

Conguring the Distance of a Route.....................................................................................................................423

Changing the IS-Type.............................................................................................................................................. 424

Redistributing IPv4 Routes.....................................................................................................................................426

Redistributing IPv6 Routes..................................................................................................................................... 427

Conguring Authentication Passwords.................................................................................................................428

Setting the Overload Bit......................................................................................................................................... 428

Debugging IS-IS....................................................................................................................................................... 429

IS-IS Metric Styles.........................................................................................................................................................430

Congure Metric Values............................................................................................................................................... 430

Maximum Values in the Routing Table.................................................................................................................. 430

Change the IS-IS Metric Style in One Level Only................................................................................................430

Leaks from One Level to Another..........................................................................................................................432

Sample Congurations.................................................................................................................................................. 433

25 Link Aggregation Control Protocol (LACP).............................................................................................. 435

Introduction to Dynamic LAGs and LACP.................................................................................................................. 435

Important Points to Remember............................................................................................................................. 435

LACP Modes............................................................................................................................................................ 436

Conguring LACP Commands............................................................................................................................... 436

Contents

15

LACP Conguration Tasks............................................................................................................................................ 437

Creating a LAG......................................................................................................................................................... 437

Conguring the LAG Interfaces as Dynamic........................................................................................................ 437

Setting the LACP Long Timeout............................................................................................................................438

Monitoring and Debugging LACP..........................................................................................................................438

Shared LAG State Tracking.......................................................................................................................................... 439

Conguring Shared LAG State Tracking............................................................................................................... 439

Important Points about Shared LAG State Tracking............................................................................................441

LACP Basic Conguration Example............................................................................................................................. 441

Congure a LAG on ALPHA.................................................................................................................................... 441

26 Layer 2.................................................................................................................................................... 450

Manage the MAC Address Table................................................................................................................................. 450

Clearing the MAC Address Table...........................................................................................................................450

Setting the Aging Time for Dynamic Entries........................................................................................................450

Conguring a Static MAC Address.........................................................................................................................451

Displaying the MAC Address Table.........................................................................................................................451

MAC Learning Limit........................................................................................................................................................451

Setting the MAC Learning Limit............................................................................................................................ 452

mac learning-limit Dynamic.....................................................................................................................................452

mac learning-limit mac-address-sticky................................................................................................................. 452

mac learning-limit station-move............................................................................................................................ 453

mac learning-limit no-station-move...................................................................................................................... 453

Learning Limit Violation Actions.............................................................................................................................453

Setting Station Move Violation Actions................................................................................................................ 454

Recovering from Learning Limit and Station Move Violations........................................................................... 454

Disabling MAC Address Learning on the System................................................................................................ 455

NIC Teaming...................................................................................................................................................................455

Congure Redundant Pairs.......................................................................................................................................... 456

Important Points about Conguring Redundant Pairs........................................................................................ 458

Far-End Failure Detection.............................................................................................................................................459

FEFD State Changes...............................................................................................................................................460

Conguring FEFD.....................................................................................................................................................461

Enabling FEFD on an Interface............................................................................................................................... 461

Debugging FEFD......................................................................................................................................................462

27 Link Layer Discovery Protocol (LLDP)......................................................................................................464

802.1AB (LLDP) Overview............................................................................................................................................464

Protocol Data Units................................................................................................................................................. 464

Optional TLVs.................................................................................................................................................................465

Management TLVs.................................................................................................................................................. 465

TIA-1057 (LLDP-MED) Overview.................................................................................................................................467

TIA Organizationally Specic TLVs........................................................................................................................ 467

Congure LLDP.............................................................................................................................................................. 471

Related Conguration Tasks....................................................................................................................................471

Important Points to Remember.............................................................................................................................. 471

16

Contents

LLDP Compatibility.................................................................................................................................................. 472

CONFIGURATION versus INTERFACE Congurations............................................................................................ 472

Enabling LLDP................................................................................................................................................................ 472

Disabling and Undoing LLDP.................................................................................................................................. 473

Enabling LLDP on Management Ports........................................................................................................................ 473

Disabling and Undoing LLDP on Management Ports.......................................................................................... 473

Advertising TLVs............................................................................................................................................................ 473

Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 475

Reserved Unrecognized LLDP TLVs..................................................................................................................... 475

Organizational Specic Unrecognized LLDP TLVs.............................................................................................. 475

Viewing Unrecognized LLDP TLVs........................................................................................................................ 475

Viewing the LLDP Conguration..................................................................................................................................476

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................476

Examples of Viewing Information Advertised by Neighbors...............................................................................476

Conguring LLDPDU Intervals..................................................................................................................................... 478

Conguring Transmit and Receive Mode....................................................................................................................479

Conguring the Time to Live Value............................................................................................................................. 480

Debugging LLDP............................................................................................................................................................480

Relevant Management Objects.................................................................................................................................... 481

28 Microsoft Network Load Balancing.......................................................................................................... 487

NLB Unicast Mode Scenario........................................................................................................................................ 487

NLB Multicast Mode Scenario..................................................................................................................................... 487

Limitations of the NLB Feature....................................................................................................................................488

Microsoft Clustering......................................................................................................................................................488

Enable and Disable VLAN Flooding ............................................................................................................................ 488

Conguring a Switch for NLB .....................................................................................................................................488

Enabling a Switch for Multicast NLB.................................................................................................................... 489

29 Multicast Source Discovery Protocol (MSDP).........................................................................................490

Protocol Overview.........................................................................................................................................................490

Anycast RP......................................................................................................................................................................491

Implementation Information..........................................................................................................................................492

Congure Multicast Source Discovery Protocol........................................................................................................492

Related Conguration Tasks...................................................................................................................................492

Enable MSDP................................................................................................................................................................. 496

Manage the Source-Active Cache...............................................................................................................................497

Viewing the Source-Active Cache.........................................................................................................................497

Limiting the Source-Active Cache.........................................................................................................................497

Clearing the Source-Active Cache........................................................................................................................ 498

Enabling the Rejected Source-Active Cache....................................................................................................... 498

Accept Source-Active Messages that Fail the RFP Check......................................................................................498

Specifying Source-Active Messages........................................................................................................................... 501

Limiting the Source-Active Messages from a Peer...................................................................................................502

Preventing MSDP from Caching a Local Source.......................................................................................................502

Preventing MSDP from Caching a Remote Source.................................................................................................. 503

Contents

17

Preventing MSDP from Advertising a Local Source................................................................................................. 503

Logging Changes in Peership States...........................................................................................................................504

Terminating a Peership..................................................................................................................................................504

Clearing Peer Statistics................................................................................................................................................ 505

Debugging MSDP..........................................................................................................................................................505

MSDP with Anycast RP................................................................................................................................................506

Conguring Anycast RP................................................................................................................................................507

Reducing Source-Active Message Flooding........................................................................................................ 508

Specifying the RP Address Used in SA Messages..............................................................................................508

MSDP Sample Congurations...................................................................................................................................... 510

30 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 513

Protocol Overview..........................................................................................................................................................513

Spanning Tree Variations............................................................................................................................................... 514

Implementation Information.................................................................................................................................... 514

Congure Multiple Spanning Tree Protocol.................................................................................................................514

Related Conguration Tasks....................................................................................................................................515

Enable Multiple Spanning Tree Globally....................................................................................................................... 515

Adding and Removing Interfaces..................................................................................................................................515

Creating Multiple Spanning Tree Instances.................................................................................................................516

Inuencing MSTP Root Selection.................................................................................................................................517

Interoperate with Non-Dell Bridges.............................................................................................................................. 517

Changing the Region Name or Revision......................................................................................................................518

Modifying Global Parameters........................................................................................................................................518

Modifying the Interface Parameters............................................................................................................................ 519

Conguring an EdgePort.............................................................................................................................................. 520

Flush MAC Addresses after a Topology Change........................................................................................................ 521

MSTP Sample Congurations.......................................................................................................................................521

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

CongurationSFTOS Example Running-Conguration.......................................................................................522

Debugging and Verifying MSTP Congurations........................................................................................................ 525

31 Multicast Features....................................................................................................................................527

Enabling IP Multicast.....................................................................................................................................................527

Implementation Information..........................................................................................................................................527

Multicast Policies...........................................................................................................................................................528

IPv4 Multicast Policies............................................................................................................................................ 528

Understanding Multicast Traceroute (mtrace).................................................................................................... 535

Printing Multicast Traceroute (mtrace) Paths..................................................................................................... 536

Supported Error Codes........................................................................................................................................... 537

mtrace Scenarios.....................................................................................................................................................538

32 Object Tracking........................................................................................................................................544

Object Tracking Overview............................................................................................................................................ 544

Track Layer 2 Interfaces......................................................................................................................................... 545

Track Layer 3 Interfaces......................................................................................................................................... 545

18

Contents

Track IPv4 and IPv6 Routes................................................................................................................................... 546

Set Tracking Delays................................................................................................................................................. 547

VRRP Object Tracking.............................................................................................................................................547

Object Tracking Conguration......................................................................................................................................547

Tracking a Layer 2 Interface................................................................................................................................... 547

Tracking a Layer 3 Interface................................................................................................................................... 548

Track an IPv4/IPv6 Route......................................................................................................................................550

Displaying Tracked Objects...........................................................................................................................................553

33 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 555

Protocol Overview.........................................................................................................................................................555

Autonomous System (AS) Areas........................................................................................................................... 555

Area Types................................................................................................................................................................ 556

Networks and Neighbors........................................................................................................................................ 557

Router Types............................................................................................................................................................ 557

Designated and Backup Designated Routers.......................................................................................................559

Link-State Advertisements (LSAs)........................................................................................................................559

Router Priority and Cost.........................................................................................................................................560

OSPF with Dell EMC Networking OS..........................................................................................................................561

Graceful Restart...................................................................................................................................................... 562

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................563

Multi-Process OSPFv2 with VRF..........................................................................................................................563

OSPF ACK Packing................................................................................................................................................. 563

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 563

Conguration Information.............................................................................................................................................564

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 564

OSPFv3 NSSA............................................................................................................................................................... 578

NSSA Options.......................................................................................................................................................... 578

Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................579

Enabling IPv6 Unicast Routing...............................................................................................................................579

Applying cost for OSPFv3......................................................................................................................................580

Assigning IPv6 Addresses on an Interface........................................................................................................... 580

Assigning Area ID on an Interface..........................................................................................................................580

Assigning OSPFv3 Process ID and Router ID Globally.........................................................................................581

Assigning OSPFv3 Process ID and Router ID to a VRF.......................................................................................581

Conguring Stub Areas...........................................................................................................................................582

Conguring Passive-Interface................................................................................................................................582

Redistributing Routes..............................................................................................................................................582

Conguring a Default Route...................................................................................................................................583

Enabling OSPFv3 Graceful Restart....................................................................................................................... 583

OSPFv3 Authentication Using IPsec.....................................................................................................................585

Troubleshooting OSPFv3.........................................................................................................................................591

34 Policy-based Routing (PBR).................................................................................................................... 593

Overview.........................................................................................................................................................................593

Implementing PBR.........................................................................................................................................................594

Contents

19

Conguration Task List for Policy-based Routing......................................................................................................594

PBR Exceptions (Permit)....................................................................................................................................... 594

Create a Redirect List............................................................................................................................................. 595

Create a Rule for a Redirect-list.............................................................................................................................595

Apply a Redirect-list to an Interface using a Redirect-group..............................................................................597

Sample Conguration....................................................................................................................................................599

Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD..... 600

35 PIM Sparse-Mode (PIM-SM).................................................................................................................. 603

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

Protocol Overview.........................................................................................................................................................603

Requesting Multicast Trac...................................................................................................................................603

Refuse Multicast Trac..........................................................................................................................................604

Send Multicast Trac.............................................................................................................................................604

Conguring PIM-SM.....................................................................................................................................................604

Related Conguration Tasks...................................................................................................................................605

Enable PIM-SM............................................................................................................................................................. 605

Conguring S,G Expiry Timers.....................................................................................................................................605

Conguring a Static Rendezvous Point......................................................................................................................606

Overriding Bootstrap Router Updates.................................................................................................................. 606

Conguring a Designated Router.................................................................................................................................607

Creating Multicast Boundaries and Domains..............................................................................................................607

36 PIM Source-Specic Mode (PIM-SSM).................................................................................................. 608

Implementation Information......................................................................................................................................... 608

Important Points to Remember............................................................................................................................. 608

Congure PIM-SSM......................................................................................................................................................609

Related Conguration Tasks...................................................................................................................................609

Enabling PIM-SSM........................................................................................................................................................609

Use PIM-SSM with IGMP Version 2 Hosts................................................................................................................609

Conguring PIM-SSM with IGMPv2..................................................................................................................... 610

Electing an RP using the BSR Mechanism.................................................................................................................. 611

Enabling RP to Server Specic Multicast Groups.................................................................................................611

37 Power over Ethernet (PoE)...................................................................................................................... 613

Conguring PoE or PoE+.............................................................................................................................................. 613

Enable PoE/PoE+.....................................................................................................................................................614

Upgrading the PoE Controller.................................................................................................................................614

Manage Ports using Power Priority and Power Budget............................................................................................615

Determine the Power Priority................................................................................................................................. 615

Manage Inline Power................................................................................................................................................616

Set the Threshold Limit for the PoE Power Budget............................................................................................ 616

Manage Power Priorities......................................................................................................................................... 617

Power Allocation to Ports........................................................................................................................................617

Power Allocation to Additional Ports......................................................................................................................618

Manage Legacy Devices................................................................................................................................................618

20

Contents

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Dell Networking S3100 Series Owner's manual

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