Dell PowerSwitch S3048-ON Quick start guide

Dell EMC Configuration

Guide for the S3048 ON

System

9.13.0.0

Notes, cautions, and warnings

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

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

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

trademarks may be trademarks of their respective owners.

2017 - 12

Rev. A00

Contents

1 About this Guide...........................................................................................................................................33

Audience............................................................................................................................................................................33

Conventions......................................................................................................................................................................33

Related Documents......................................................................................................................................................... 33

2 Conguration Fundamentals........................................................................................................................ 34

Accessing the Command Line........................................................................................................................................34

CLI Modes.........................................................................................................................................................................34

Navigating CLI Modes............................................................................................................................................... 36

The do Command............................................................................................................................................................ 39

Undoing Commands........................................................................................................................................................ 39

Obtaining Help..................................................................................................................................................................40

Entering and Editing Commands................................................................................................................................... 40

Command History.............................................................................................................................................................41

Filtering show Command Outputs..................................................................................................................................41

Example of the grep Keyword...................................................................................................................................41

Multiple Users in Conguration Mode...........................................................................................................................42

3 Getting Started............................................................................................................................................44

Console Access................................................................................................................................................................45

Serial Console.............................................................................................................................................................45

Accessing the CLI Interface and Running Scripts Using SSH....................................................................................46

Entering CLI commands Using an SSH Connection..............................................................................................46

Executing Local CLI Scripts Using an SSH Connection........................................................................................46

Default Conguration.......................................................................................................................................................47

Conguring a Host Name................................................................................................................................................47

Accessing the System Remotely....................................................................................................................................47

Accessing the System Remotely..............................................................................................................................47

Congure the Management Port IP Address......................................................................................................... 47

Congure a Management Route..............................................................................................................................48

Conguring a Username and Password.................................................................................................................. 48

Conguring the Enable Password..................................................................................................................................49

Conguration File Management.....................................................................................................................................49

Copy Files to and from the System......................................................................................................................... 50

Mounting an NFS File System..................................................................................................................................50

Save the Running-Conguration..............................................................................................................................52

Congure the Overload Bit for a Startup Scenario............................................................................................... 53

Viewing Files...............................................................................................................................................................53

Compressing Conguration Files............................................................................................................................. 54

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

Enabling Software Features on Devices Using a Command Option..........................................................................57

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

Contents

3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Display the Logging Buer and the Logging Conguration.................................................................................. 67

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

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

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

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

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

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

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

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

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

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

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

Log Messages in the Internal Buer..............................................................................................................................73

Conguration Task List for System Log Management.......................................................................................... 73

Disabling System Logging............................................................................................................................................... 73

Sending System Messages to a Syslog Server............................................................................................................ 74

Conguring a UNIX System as a Syslog Server..................................................................................................... 74

Changing System Logging Settings............................................................................................................................... 74

Display the Logging Buer and the Logging Conguration........................................................................................75

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

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

Enabling Timestamp on Syslog Messages.................................................................................................................... 77

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

Conguration Task List for File Transfer Services..................................................................................................78

Enabling the FTP Server........................................................................................................................................... 78

Conguring FTP Server Parameters........................................................................................................................78

Conguring FTP Client Parameters......................................................................................................................... 79

Terminal Lines................................................................................................................................................................... 79

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..........................................................................................................82

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

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

LPC Bus Quality Degradation......................................................................................................................................... 83

LBQA (LPC Bus Quality Analyzer) Failure Detection mode..................................................................................84

Reloading the system...................................................................................................................................................... 84

Viewing the Reason for Last System Reboot.............................................................................................................. 85

5 802.1X......................................................................................................................................................... 86

Port-Authentication Process..........................................................................................................................................88

EAP over RADIUS......................................................................................................................................................88

Conguring 802.1X...........................................................................................................................................................89

Related Conguration Tasks..................................................................................................................................... 89

Important Points to Remember......................................................................................................................................89

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

Conguring MAC addresses for a do1x Prole.............................................................................................................90

Conguring the Static MAB and MAB Prole .............................................................................................................90

Conguring Critical VLAN .............................................................................................................................................. 91

Enabling 802.1X................................................................................................................................................................ 93

Conguring Request Identity Re-Transmissions...........................................................................................................94

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

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

Re-Authenticating a Port................................................................................................................................................96

Conguring Timeouts...................................................................................................................................................... 97

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................98

Guest and Authentication-Fail VLANs.......................................................................................................................... 99

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Contents

5

Conguring Set Conditions......................................................................................................................................115

Congure a Route Map for Route Redistribution..................................................................................................116

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

Continue Clause.........................................................................................................................................................117

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

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

Layer 4 ACL Rules Examples................................................................................................................................... 118

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

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

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

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

Conguring Filters Without a Sequence Number.................................................................................................122

Congure Layer 2 and Layer 3 ACLs............................................................................................................................123

Assign an IP ACL to an Interface.................................................................................................................................. 124

Applying an IP ACL.........................................................................................................................................................124

Counting ACL Hits....................................................................................................................................................125

Congure Ingress ACLs................................................................................................................................................. 125

Congure Egress ACLs..................................................................................................................................................125

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 126

IP Prex Lists...................................................................................................................................................................127

Implementation Information.....................................................................................................................................127

Conguration Task List for Prex Lists.................................................................................................................. 127

ACL Resequencing.......................................................................................................................................................... 131

Resequencing an ACL or Prex List........................................................................................................................131

Route Maps.....................................................................................................................................................................133

Implementation Information.................................................................................................................................... 133

Logging of ACL Processes............................................................................................................................................ 133

Guidelines for Conguring ACL Logging................................................................................................................134

Conguring ACL Logging.........................................................................................................................................134

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

Behavior of Flow-Based Monitoring.......................................................................................................................135

Enabling Flow-Based Monitoring............................................................................................................................ 137

8 Bidirectional Forwarding Detection (BFD).................................................................................................. 139

How BFD Works............................................................................................................................................................. 139

BFD Packet Format..................................................................................................................................................140

BFD Sessions............................................................................................................................................................. 141

BFD Three-Way Handshake.................................................................................................................................... 142

Session State Changes............................................................................................................................................144

Important Points to Remember.................................................................................................................................... 144

Congure BFD................................................................................................................................................................ 144

Congure BFD for Physical Ports...........................................................................................................................145

Congure BFD for Static Routes............................................................................................................................146

Congure BFD for OSPF.........................................................................................................................................149

Congure BFD for OSPFv3.....................................................................................................................................152

Congure BFD for IS-IS...........................................................................................................................................155

6

Contents

Congure BFD for BGP........................................................................................................................................... 157

Congure BFD for VRRP.........................................................................................................................................164

Conguring Protocol Liveness................................................................................................................................ 167

9 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 168

Autonomous Systems (AS)........................................................................................................................................... 168

Sessions and Peers.........................................................................................................................................................170

Establish a Session................................................................................................................................................... 170

Route Reectors..............................................................................................................................................................171

BGP Attributes................................................................................................................................................................172

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

Weight........................................................................................................................................................................ 174

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

Multi-Exit Discriminators (MEDs)...........................................................................................................................175

Origin..........................................................................................................................................................................176

AS Path...................................................................................................................................................................... 177

Next Hop....................................................................................................................................................................177

Multiprotocol BGP.......................................................................................................................................................... 177

Implement BGP with Dell EMC Networking OS......................................................................................................... 178

Additional Path (Add-Path) Support...................................................................................................................... 178

Advertise IGP Cost as MED for Redistributed Routes.........................................................................................178

Ignore Router-ID in Best-Path Calculation............................................................................................................ 179

Four-Byte AS Numbers............................................................................................................................................179

AS4 Number Representation.................................................................................................................................. 179

AS Number Migration............................................................................................................................................... 181

BGP4 Management Information Base (MIB)........................................................................................................182

Important Points to Remember.............................................................................................................................. 182

Conguration Information..............................................................................................................................................183

BGP Conguration......................................................................................................................................................... 183

Enabling BGP............................................................................................................................................................ 184

Conguring AS4 Number Representations........................................................................................................... 187

Conguring Peer Groups.........................................................................................................................................189

Conguring BGP Fast Fall-Over..............................................................................................................................191

Conguring Passive Peering................................................................................................................................... 193

Maintaining Existing AS Numbers During an AS Migration................................................................................. 193

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 194

Enabling Graceful Restart....................................................................................................................................... 195

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

Filtering on an AS-Path Attribute........................................................................................................................... 196

Regular Expressions as Filters.................................................................................................................................198

Redistributing Routes.............................................................................................................................................. 199

Enabling Additional Paths....................................................................................................................................... 200

Conguring IP Community Lists............................................................................................................................ 200

Conguring an IP Extended Community List........................................................................................................201

Filtering Routes with Community Lists................................................................................................................. 202

Manipulating the COMMUNITY Attribute............................................................................................................ 203

Contents

7

Changing MED Attributes.......................................................................................................................................204

Changing the LOCAL_PREFERENCE Attribute..................................................................................................204

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 205

Changing the WEIGHT Attribute...........................................................................................................................206

Enabling Multipath...................................................................................................................................................206

Filtering BGP Routes...............................................................................................................................................206

Filtering BGP Routes Using Route Maps..............................................................................................................208

Filtering BGP Routes Using AS-PATH Information............................................................................................. 208

Conguring BGP Route Reectors....................................................................................................................... 209

Aggregating Routes..................................................................................................................................................210

Conguring BGP Confederations...........................................................................................................................210

Enabling Route Flap Dampening..............................................................................................................................211

Changing BGP Timers..............................................................................................................................................213

Enabling BGP Neighbor Soft-Reconguration......................................................................................................213

Enabling or disabling BGP neighbors......................................................................................................................214

Route Map Continue................................................................................................................................................216

Enabling MBGP Congurations.................................................................................................................................... 216

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 217

BGP Regular Expression Optimization.........................................................................................................................217

Debugging BGP.............................................................................................................................................................. 217

Storing Last and Bad PDUs.....................................................................................................................................218

Capturing PDUs........................................................................................................................................................219

PDU Counters.......................................................................................................................................................... 220

Sample Congurations.................................................................................................................................................. 220

10 Content Addressable Memory (CAM).......................................................................................................227

CAM Allocation...............................................................................................................................................................227

Test CAM Usage............................................................................................................................................................229

View CAM-ACL Settings.............................................................................................................................................. 229

View CAM Usage............................................................................................................................................................231

Conguring CAM Threshold and Silence Period.........................................................................................................231

Setting CAM Threshold and Silence Period.......................................................................................................... 231

CAM Optimization......................................................................................................................................................... 232

Troubleshoot CAM Proling..........................................................................................................................................232

QoS CAM Region Limitation...................................................................................................................................233

11 Control Plane Policing (CoPP).................................................................................................................. 234

Congure Control Plane Policing................................................................................................................................. 235

Conguring CoPP for Protocols............................................................................................................................ 236

Conguring CoPP for CPU Queues...................................................................................................................... 238

CoPP for OSPFv3 Packets.....................................................................................................................................239

Conguring CoPP for OSPFv3.............................................................................................................................. 242

Displaying CoPP Conguration ............................................................................................................................. 242

12 Dynamic Host Conguration Protocol (DHCP).........................................................................................245

DHCP Packet Format and Options............................................................................................................................. 245

8

Contents

Assign an IP Address using DHCP............................................................................................................................... 247

Implementation Information..........................................................................................................................................248

Congure the System to be a DHCP Server..............................................................................................................248

Conguring the Server for Automatic Address Allocation..................................................................................249

Specifying a Default Gateway................................................................................................................................250

Congure a Method of Hostname Resolution..................................................................................................... 250

Using DNS for Address Resolution........................................................................................................................250

Using NetBIOS WINS for Address Resolution...................................................................................................... 251

Creating Manual Binding Entries.............................................................................................................................251

Debugging the DHCP Server..................................................................................................................................251

Using DHCP Clear Commands...............................................................................................................................252

Congure the System to be a Relay Agent................................................................................................................ 252

Congure the System to be a DHCP Client............................................................................................................... 254

Conguring the DHCP Client System...................................................................................................................254

DHCP Client on a Management Interface............................................................................................................255

DHCP Client Operation with Other Features.......................................................................................................256

Congure the System for User Port Stacking (Option 230)....................................................................................257

Congure Secure DHCP............................................................................................................................................... 257

Option 82.................................................................................................................................................................. 257

DHCP Snooping.......................................................................................................................................................258

Drop DHCP Packets on Snooped VLANs Only....................................................................................................263

Dynamic ARP Inspection.........................................................................................................................................263

Conguring Dynamic ARP Inspection................................................................................................................... 264

Source Address Validation............................................................................................................................................ 265

Enabling IP Source Address Validation..................................................................................................................265

DHCP MAC Source Address Validation................................................................................................................ 266

Enabling IP+MAC Source Address Validation.......................................................................................................266

Viewing the Number of SAV Dropped Packets....................................................................................................267

Clearing the Number of SAV Dropped Packets................................................................................................... 267

13 Equal Cost Multi-Path (ECMP)................................................................................................................ 268

ECMP for Flow-Based Anity.....................................................................................................................................268

Conguring the Hash Algorithm............................................................................................................................ 268

Enabling Deterministic ECMP Next Hop.............................................................................................................. 268

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

Link Bundle Monitoring................................................................................................................................................. 269

Managing ECMP Group Paths...............................................................................................................................270

Creating an ECMP Group Bundle.......................................................................................................................... 270

Modifying the ECMP Group Threshold.................................................................................................................270

14 FIPS Cryptography................................................................................................................................... 272

Conguration Tasks....................................................................................................................................................... 272

Preparing the System....................................................................................................................................................272

Enabling FIPS Mode...................................................................................................................................................... 273

Generating Host-Keys................................................................................................................................................... 273

Monitoring FIPS Mode Status......................................................................................................................................273

Contents

9

Disabling FIPS Mode......................................................................................................................................................274

15 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 275

Protocol Overview......................................................................................................................................................... 275

Ring Status............................................................................................................................................................... 276

Multiple FRRP Rings................................................................................................................................................276

Important FRRP Points........................................................................................................................................... 277

Important FRRP Concepts..................................................................................................................................... 278

Implementing FRRP.......................................................................................................................................................279

FRRP Conguration.......................................................................................................................................................279

Creating the FRRP Group.......................................................................................................................................279

Conguring the Control VLAN...............................................................................................................................280

Conguring and Adding the Member VLANs....................................................................................................... 281

Setting the FRRP Timers........................................................................................................................................282

Clearing the FRRP Counters.................................................................................................................................. 282

Viewing the FRRP Conguration...........................................................................................................................282

Viewing the FRRP Information...............................................................................................................................282

Troubleshooting FRRP.................................................................................................................................................. 283

Conguration Checks..............................................................................................................................................283

Sample Conguration and Topology............................................................................................................................283

FRRP Support on VLT...................................................................................................................................................284

Example Scenario.................................................................................................................................................... 285

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

16 GARP VLAN Registration Protocol (GVRP).............................................................................................. 287

Important Points to Remember....................................................................................................................................287

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

Related Conguration Tasks...................................................................................................................................288

Enabling GVRP Globally................................................................................................................................................ 289

Enabling GVRP on a Layer 2 Interface........................................................................................................................289

Congure GVRP Registration...................................................................................................................................... 289

Congure a GARP Timer.............................................................................................................................................. 290

RPM Redundancy..........................................................................................................................................................290

17 High Availability (HA)................................................................................................................................292

Component Redundancy.............................................................................................................................................. 292

Automatic and Manual Stack Unit Failover.......................................................................................................... 292

Synchronization between Management and Standby Units..............................................................................293

Forcing a Stack Unit Failover................................................................................................................................. 293

Specifying an Auto-Failover Limit..........................................................................................................................294

Disabling Auto-Reboot............................................................................................................................................ 294

Manually Synchronizing Management and Standby Units................................................................................. 294

Pre-Conguring a Stack Unit Slot............................................................................................................................... 294

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

Hitless Behavior............................................................................................................................................................. 295

Graceful Restart............................................................................................................................................................ 295

10

Contents

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

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

System Health Monitoring......................................................................................................................................296

Failure and Event Logging...................................................................................................................................... 296

Hot-Lock Behavior.........................................................................................................................................................297

18 Internet Group Management Protocol (IGMP)......................................................................................... 298

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

IGMP Protocol Overview..............................................................................................................................................298

IGMP Version 2........................................................................................................................................................298

IGMP Version 3........................................................................................................................................................300

Congure IGMP............................................................................................................................................................. 303

Related Conguration Tasks...................................................................................................................................303

Viewing IGMP Enabled Interfaces...............................................................................................................................304

Selecting an IGMP Version...........................................................................................................................................304

Viewing IGMP Groups...................................................................................................................................................304

Adjusting Timers............................................................................................................................................................ 305

Adjusting Query and Response Timers................................................................................................................. 305

Preventing a Host from Joining a Group.................................................................................................................... 306

Enabling IGMP Immediate-Leave................................................................................................................................ 309

IGMP Snooping..............................................................................................................................................................309

IGMP Snooping Implementation Information.......................................................................................................309

Conguring IGMP Snooping.................................................................................................................................. 309

Removing a Group-Port Association......................................................................................................................310

Disabling Multicast Flooding....................................................................................................................................310

Specifying a Port as Connected to a Multicast Router........................................................................................311

Conguring the Switch as Querier..........................................................................................................................311

Fast Convergence after MSTP Topology Changes....................................................................................................312

Egress Interface Selection (EIS) for HTTP and IGMP Applications.........................................................................312

Protocol Separation..................................................................................................................................................312

Enabling and Disabling Management Egress Interface Selection.......................................................................313

Handling of Management Route Conguration.................................................................................................... 314

Handling of Switch-Initiated Trac........................................................................................................................315

Handling of Switch-Destined Trac...................................................................................................................... 315

Handling of Transit Trac (Trac Separation)..................................................................................................... 316

Mapping of Management Applications and Trac Type......................................................................................316

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

Behavior of Various Applications for Switch-Destined Trac ........................................................................... 318

Interworking of EIS With Various Applications......................................................................................................319

Designating a Multicast Router Interface....................................................................................................................319

19 Interfaces..................................................................................................................................................321

Basic Interface Conguration........................................................................................................................................321

Advanced Interface Conguration................................................................................................................................321

Interface Types...............................................................................................................................................................322

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

Contents

11

Resetting an Interface to its Factory Default State...................................................................................................324

Enabling a Physical Interface........................................................................................................................................324

Enabling Energy Ecient Ethernet..............................................................................................................................325

View EEE Information................................................................................................................................................... 325

Clear EEE Counters.......................................................................................................................................................330

Physical Interfaces.........................................................................................................................................................330

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

Overview of Layer Modes....................................................................................................................................... 331

Conguring Layer 2 (Data Link) Mode...................................................................................................................331

Conguring Layer 2 (Interface) Mode...................................................................................................................332

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

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

Egress Interface Selection (EIS)..................................................................................................................................333

Important Points to Remember..............................................................................................................................333

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

Management Interfaces................................................................................................................................................334

Conguring Management Interfaces.....................................................................................................................334

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

VLAN Interfaces............................................................................................................................................................ 336

Loopback Interfaces...................................................................................................................................................... 337

Null Interfaces.................................................................................................................................................................337

Port Channel Interfaces................................................................................................................................................338

Port Channel Denition and Standards.................................................................................................................338

Port Channel Benets............................................................................................................................................. 338

Port Channel Implementation.................................................................................................................................338

Interfaces in Port Channels.................................................................................................................................... 339

Conguration Tasks for Port Channel Interfaces.................................................................................................339

Creating a Port Channel..........................................................................................................................................339

Adding a Physical Interface to a Port Channel.....................................................................................................340

Reassigning an Interface to a New Port Channel.................................................................................................341

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 342

Adding or Removing a Port Channel from a VLAN............................................................................................. 342

Assigning an IP Address to a Port Channel.......................................................................................................... 344

Deleting or Disabling a Port Channel..................................................................................................................... 344

Load Balancing Through Port Channels................................................................................................................344

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

Bulk Conguration......................................................................................................................................................... 346

Interface Range........................................................................................................................................................346

Bulk Conguration Examples..................................................................................................................................346

Dening Interface Range Macros................................................................................................................................ 348

Dene the Interface Range.................................................................................................................................... 348

Choosing an Interface-Range Macro.................................................................................................................... 348

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

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

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................350

12

Contents

Link Dampening............................................................................................................................................................. 350

Important Points to Remember.............................................................................................................................. 351

Conguration Example of Link Dampening........................................................................................................... 351

Enabling Link Dampening........................................................................................................................................353

Link Bundle Monitoring................................................................................................................................................. 354

Using Ethernet Pause Frames for Flow Control........................................................................................................355

Enabling Pause Frames...........................................................................................................................................355

Congure the MTU Size on an Interface....................................................................................................................356

Port-Pipes.......................................................................................................................................................................357

Auto-Negotiation on Ethernet Interfaces................................................................................................................... 357

Setting the Speed of Ethernet Interfaces............................................................................................................ 357

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

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

Contents

13

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

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

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

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

14

Contents

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

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

23 Intermediate System to Intermediate System.......................................................................................... 403

IS-IS Protocol Overview................................................................................................................................................403

IS-IS Addressing.............................................................................................................................................................403

Multi-Topology IS-IS...................................................................................................................................................... 404

Transition Mode....................................................................................................................................................... 404

Interface Support.................................................................................................................................................... 405

Adjacencies...............................................................................................................................................................405

Graceful Restart............................................................................................................................................................ 405

Timers....................................................................................................................................................................... 405

Implementation Information......................................................................................................................................... 405

Conguration Information.............................................................................................................................................406

Conguration Tasks for IS-IS..................................................................................................................................407

Conguring the Distance of a Route......................................................................................................................414

Changing the IS-Type...............................................................................................................................................415

Redistributing IPv4 Routes......................................................................................................................................417

Redistributing IPv6 Routes......................................................................................................................................418

Conguring Authentication Passwords..................................................................................................................419

Setting the Overload Bit..........................................................................................................................................419

Debugging IS-IS....................................................................................................................................................... 420

IS-IS Metric Styles..........................................................................................................................................................421

Congure Metric Values................................................................................................................................................ 421

Maximum Values in the Routing Table................................................................................................................... 421

Change the IS-IS Metric Style in One Level Only.................................................................................................421

Leaks from One Level to Another..........................................................................................................................423

Sample Congurations.................................................................................................................................................. 424

24 Link Aggregation Control Protocol (LACP).............................................................................................. 426

Introduction to Dynamic LAGs and LACP.................................................................................................................. 426

Important Points to Remember............................................................................................................................. 426

LACP Modes.............................................................................................................................................................427

Conguring LACP Commands............................................................................................................................... 427

LACP Conguration Tasks............................................................................................................................................ 428

Creating a LAG.........................................................................................................................................................428

Conguring the LAG Interfaces as Dynamic........................................................................................................ 428

Setting the LACP Long Timeout............................................................................................................................429

Monitoring and Debugging LACP..........................................................................................................................429

Shared LAG State Tracking.......................................................................................................................................... 430

Conguring Shared LAG State Tracking...............................................................................................................430

Important Points about Shared LAG State Tracking........................................................................................... 432

LACP Basic Conguration Example.............................................................................................................................432

Congure a LAG on ALPHA................................................................................................................................... 432

25 Layer 2..................................................................................................................................................... 441

Contents

15

Manage the MAC Address Table.................................................................................................................................. 441

Clearing the MAC Address Table............................................................................................................................ 441

Setting the Aging Time for Dynamic Entries.........................................................................................................441

Conguring a Static MAC Address........................................................................................................................442

Displaying the MAC Address Table........................................................................................................................ 442

MAC Learning Limit.......................................................................................................................................................442

Setting the MAC Learning Limit.............................................................................................................................443

mac learning-limit Dynamic.....................................................................................................................................443

mac learning-limit mac-address-sticky................................................................................................................. 443

mac learning-limit station-move.............................................................................................................................444

mac learning-limit no-station-move.......................................................................................................................444

Learning Limit Violation Actions.............................................................................................................................444

Setting Station Move Violation Actions................................................................................................................ 445

Recovering from Learning Limit and Station Move Violations........................................................................... 445

Disabling MAC Address Learning on the System.................................................................................................446

NIC Teaming................................................................................................................................................................... 446

Congure Redundant Pairs...........................................................................................................................................447

Important Points about Conguring Redundant Pairs........................................................................................ 449

Far-End Failure Detection.............................................................................................................................................450

FEFD State Changes................................................................................................................................................451

Conguring FEFD.................................................................................................................................................... 452

Enabling FEFD on an Interface...............................................................................................................................452

Debugging FEFD......................................................................................................................................................453

26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 455

802.1AB (LLDP) Overview............................................................................................................................................455

Protocol Data Units................................................................................................................................................. 455

Optional TLVs.................................................................................................................................................................456

Management TLVs.................................................................................................................................................. 456

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 458

TIA Organizationally Specic TLVs........................................................................................................................ 458

Congure LLDP..............................................................................................................................................................462

Related Conguration Tasks...................................................................................................................................462

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

LLDP Compatibility..................................................................................................................................................463

CONFIGURATION versus INTERFACE Congurations............................................................................................ 463

Enabling LLDP................................................................................................................................................................463

Disabling and Undoing LLDP.................................................................................................................................. 464

Enabling LLDP on Management Ports........................................................................................................................464

Disabling and Undoing LLDP on Management Ports.......................................................................................... 464

Advertising TLVs............................................................................................................................................................ 464

Storing and Viewing Unrecognized LLDP TLVs.........................................................................................................466

Reserved Unrecognized LLDP TLVs..................................................................................................................... 466

Organizational Specic Unrecognized LLDP TLVs..............................................................................................466

Viewing Unrecognized LLDP TLVs........................................................................................................................ 466

Viewing the LLDP Conguration..................................................................................................................................467

16

Contents

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................467

Examples of Viewing Information Advertised by Neighbors...............................................................................467

Conguring LLDPDU Intervals..................................................................................................................................... 469

Conguring LLDP Notication Interval....................................................................................................................... 470

Conguring Transmit and Receive Mode....................................................................................................................470

Conguring the Time to Live Value.............................................................................................................................. 471

Debugging LLDP............................................................................................................................................................ 472

Relevant Management Objects....................................................................................................................................473

27 Microsoft Network Load Balancing.......................................................................................................... 478

NLB Unicast Mode Scenario........................................................................................................................................ 478

NLB Multicast Mode Scenario..................................................................................................................................... 478

Limitations of the NLB Feature....................................................................................................................................479

Microsoft Clustering......................................................................................................................................................479

Enable and Disable VLAN Flooding .............................................................................................................................479

Conguring a Switch for NLB ..................................................................................................................................... 479

Enabling a Switch for Multicast NLB.................................................................................................................... 480

28 Multicast Source Discovery Protocol (MSDP)..........................................................................................481

Protocol Overview..........................................................................................................................................................481

Anycast RP.....................................................................................................................................................................482

Implementation Information..........................................................................................................................................483

Congure Multicast Source Discovery Protocol........................................................................................................483

Related Conguration Tasks...................................................................................................................................483

Enable MSDP..................................................................................................................................................................487

Manage the Source-Active Cache.............................................................................................................................. 488

Viewing the Source-Active Cache.........................................................................................................................488

Limiting the Source-Active Cache.........................................................................................................................488

Clearing the Source-Active Cache........................................................................................................................489

Enabling the Rejected Source-Active Cache....................................................................................................... 489

Accept Source-Active Messages that Fail the RFP Check......................................................................................489

Specifying Source-Active Messages...........................................................................................................................492

Limiting the Source-Active Messages from a Peer...................................................................................................493

Preventing MSDP from Caching a Local Source.......................................................................................................493

Preventing MSDP from Caching a Remote Source.................................................................................................. 494

Preventing MSDP from Advertising a Local Source..................................................................................................494

Logging Changes in Peership States...........................................................................................................................495

Terminating a Peership..................................................................................................................................................495

Clearing Peer Statistics.................................................................................................................................................496

Debugging MSDP.......................................................................................................................................................... 496

MSDP with Anycast RP................................................................................................................................................497

Conguring Anycast RP................................................................................................................................................498

Reducing Source-Active Message Flooding.........................................................................................................499

Specifying the RP Address Used in SA Messages.............................................................................................. 499

MSDP Sample Congurations...................................................................................................................................... 501

Contents

17

29 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 504

Protocol Overview.........................................................................................................................................................504

Spanning Tree Variations.............................................................................................................................................. 505

Implementation Information................................................................................................................................... 505

Congure Multiple Spanning Tree Protocol................................................................................................................505

Related Conguration Tasks...................................................................................................................................506

Enable Multiple Spanning Tree Globally...................................................................................................................... 506

Adding and Removing Interfaces.................................................................................................................................506

Creating Multiple Spanning Tree Instances................................................................................................................ 507

Inuencing MSTP Root Selection................................................................................................................................508

Interoperate with Non-Dell Bridges.............................................................................................................................508

Changing the Region Name or Revision.....................................................................................................................509

Modifying Global Parameters.......................................................................................................................................509

Modifying the Interface Parameters............................................................................................................................ 510

Conguring an EdgePort................................................................................................................................................511

Flush MAC Addresses after a Topology Change........................................................................................................ 512

MSTP Sample Congurations.......................................................................................................................................512

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

CongurationSFTOS Example Running-Conguration........................................................................................513

Debugging and Verifying MSTP Congurations......................................................................................................... 516

30 Multicast Features................................................................................................................................... 518

Enabling IP Multicast......................................................................................................................................................518

Implementation Information.......................................................................................................................................... 518

Multicast Policies............................................................................................................................................................519

IPv4 Multicast Policies.............................................................................................................................................519

Understanding Multicast Traceroute (mtrace).......................................................................................................... 526

Important Points to Remember..............................................................................................................................527

Printing Multicast Traceroute (mtrace) Paths............................................................................................................527

Supported Error Codes.................................................................................................................................................528

mtrace Scenarios...........................................................................................................................................................529

31 Object Tracking........................................................................................................................................ 535

Object Tracking Overview............................................................................................................................................ 535

Track Layer 2 Interfaces..........................................................................................................................................536

Track Layer 3 Interfaces..........................................................................................................................................536

Track IPv4 and IPv6 Routes................................................................................................................................... 537

Set Tracking Delays................................................................................................................................................. 538

VRRP Object Tracking............................................................................................................................................ 538

Object Tracking Conguration..................................................................................................................................... 538

Tracking a Layer 2 Interface................................................................................................................................... 538

Tracking a Layer 3 Interface................................................................................................................................... 539

Track an IPv4/IPv6 Route.......................................................................................................................................541

Displaying Tracked Objects...........................................................................................................................................544

18

Contents

32 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................546

Protocol Overview.........................................................................................................................................................546

Autonomous System (AS) Areas........................................................................................................................... 546

Area Types................................................................................................................................................................ 547

Networks and Neighbors........................................................................................................................................548

Router Types............................................................................................................................................................ 548

Designated and Backup Designated Routers.......................................................................................................550

Link-State Advertisements (LSAs)........................................................................................................................550

Router Priority and Cost..........................................................................................................................................551

OSPF with Dell EMC Networking OS.........................................................................................................................552

Graceful Restart...................................................................................................................................................... 553

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................554

Multi-Process OSPFv2 with VRF..........................................................................................................................554

OSPF ACK Packing................................................................................................................................................. 554

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 554

Conguration Information.............................................................................................................................................555

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 555

OSPFv3 NSSA............................................................................................................................................................... 569

NSSA Options..........................................................................................................................................................569

Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................570

Enabling IPv6 Unicast Routing...............................................................................................................................570

Applying cost for OSPFv3.......................................................................................................................................571

Assigning IPv6 Addresses on an Interface............................................................................................................ 571

Assigning Area ID on an Interface...........................................................................................................................571

Assigning OSPFv3 Process ID and Router ID Globally........................................................................................ 572

Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................... 572

Conguring Stub Areas........................................................................................................................................... 573

Conguring Passive-Interface................................................................................................................................ 573

Redistributing Routes.............................................................................................................................................. 573

Conguring a Default Route................................................................................................................................... 574

Enabling OSPFv3 Graceful Restart........................................................................................................................574

OSPFv3 Authentication Using IPsec.....................................................................................................................576

Troubleshooting OSPFv3........................................................................................................................................582

33 Policy-based Routing (PBR).................................................................................................................... 584

Overview.........................................................................................................................................................................584

Implementing PBR.........................................................................................................................................................585

Conguration Task List for Policy-based Routing......................................................................................................585

PBR Exceptions (Permit)....................................................................................................................................... 585

Create a Redirect List............................................................................................................................................. 586

Create a Rule for a Redirect-list.............................................................................................................................586

Apply a Redirect-list to an Interface using a Redirect-group............................................................................. 588

Sample Conguration....................................................................................................................................................590

Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD...... 591

Contents

19

34 PIM Sparse-Mode (PIM-SM).................................................................................................................. 594

Implementation Information..........................................................................................................................................594

Protocol Overview.........................................................................................................................................................594

Requesting Multicast Trac...................................................................................................................................594

Refuse Multicast Trac..........................................................................................................................................595

Send Multicast Trac.............................................................................................................................................595

Conguring PIM-SM.....................................................................................................................................................595

Related Conguration Tasks...................................................................................................................................596

Enable PIM-SM..............................................................................................................................................................596

Conguring S,G Expiry Timers..................................................................................................................................... 597

Conguring a Static Rendezvous Point...................................................................................................................... 598

Overriding Bootstrap Router Updates.................................................................................................................. 598

Conguring a Designated Router................................................................................................................................ 598

Creating Multicast Boundaries and Domains............................................................................................................. 599

35 PIM Source-Specic Mode (PIM-SSM).................................................................................................. 600

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

Important Points to Remember............................................................................................................................. 600

Congure PIM-SSM.......................................................................................................................................................601

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

Enabling PIM-SSM.........................................................................................................................................................601

Use PIM-SSM with IGMP Version 2 Hosts.................................................................................................................601

Conguring PIM-SSM with IGMPv2.....................................................................................................................602

Electing an RP using the BSR Mechanism.................................................................................................................603

Enabling RP to Server Specic Multicast Groups...............................................................................................603

36 Port Monitoring....................................................................................................................................... 605

Important Points to Remember................................................................................................................................... 605

Port Monitoring..............................................................................................................................................................606

Conguring Port Monitoring........................................................................................................................................ 608

Conguring Monitor Multicast Queue........................................................................................................................ 609

Enabling Flow-Based Monitoring..................................................................................................................................610

Remote Port Mirroring....................................................................................................................................................611

Remote Port Mirroring Example..............................................................................................................................611

Conguring Remote Port Mirroring........................................................................................................................612

Displaying Remote-Port Mirroring Congurations................................................................................................614

Conguring the Sample Remote Port Mirroring...................................................................................................614

Encapsulated Remote Port Monitoring........................................................................................................................617

ERPM Behavior on a typical Dell EMC Networking OS ........................................................................................... 619

Decapsulation of ERPM packets at the Destination IP/ Analyzer......................................................................619

Port Monitoring on VLT................................................................................................................................................ 620

VLT Non-fail over Scenario.....................................................................................................................................620

VLT Fail-over Scenario.............................................................................................................................................621

RPM over VLT Scenarios........................................................................................................................................ 621

20

Contents

Page is loading ...

Dell PowerSwitch S3048-ON Quick start guide

Dell PowerSwitch S3048-ON Quick start guide

Other documents