Dell PowerSwitch S6000 ON Owner's manual

Dell Configuration Guide for the S6000 ON

System

9.13.0.0

Notes, cautions, and warnings

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

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

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

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2017 - 12

Rev. A00

Contents

1 About this Guide...........................................................................................................................................35

Audience........................................................................................................................................................................... 35

Conventions......................................................................................................................................................................35

Related Documents......................................................................................................................................................... 35

2 Conguration Fundamentals........................................................................................................................ 36

Accessing the Command Line........................................................................................................................................36

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

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

The do Command............................................................................................................................................................. 41

Undoing Commands.........................................................................................................................................................41

Obtaining Help..................................................................................................................................................................42

Entering and Editing Commands....................................................................................................................................42

Command History............................................................................................................................................................ 43

Filtering show Command Outputs.................................................................................................................................43

Example of the grep Keyword.................................................................................................................................. 43

Multiple Users in Conguration Mode...........................................................................................................................44

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Managing the File System.............................................................................................................................................. 54

View Command History.................................................................................................................................................. 54

Upgrading Dell EMC Networking OS............................................................................................................................ 55

Using HTTP for File Transfers........................................................................................................................................55

Verify Software Images Before Installation...................................................................................................................56

4 Management................................................................................................................................................57

Contents

3

Conguring Privilege Levels............................................................................................................................................57

Creating a Custom Privilege Level...........................................................................................................................58

Removing a Command from EXEC Mode.............................................................................................................. 58

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................58

Allowing Access to CONFIGURATION Mode Commands....................................................................................58

Allowing Access to Dierent Modes........................................................................................................................58

Applying a Privilege Level to a Username...............................................................................................................60

Applying a Privilege Level to a Terminal Line.......................................................................................................... 60

Conguring Logging........................................................................................................................................................ 60

Audit and Security Logs.............................................................................................................................................61

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

Setting Up a Secure Connection to a Syslog Server.............................................................................................62

Log Messages in the Internal Buer..............................................................................................................................64

Conguration Task List for System Log Management.......................................................................................... 64

Disabling System Logging............................................................................................................................................... 64

Sending System Messages to a Syslog Server............................................................................................................64

Conguring a UNIX System as a Syslog Server.....................................................................................................64

Track Login Activity......................................................................................................................................................... 65

Restrictions for Tracking Login Activity.................................................................................................................. 65

Conguring Login Activity Tracking.........................................................................................................................65

Display Login Statistics..............................................................................................................................................66

Limit Concurrent Login Sessions....................................................................................................................................67

Restrictions for Limiting the Number of Concurrent Sessions.............................................................................67

Conguring Concurrent Session Limit.....................................................................................................................67

Enabling the System to Clear Existing Sessions.................................................................................................... 68

Enabling Secured CLI Mode........................................................................................................................................... 69

Changing System Logging Settings.............................................................................................................................. 69

Display the Logging Buer and the Logging Conguration........................................................................................ 70

Conguring a UNIX Logging Facility Level....................................................................................................................70

Synchronizing Log Messages..........................................................................................................................................71

Enabling Timestamp on Syslog Messages.................................................................................................................... 72

File Transfer Services.......................................................................................................................................................72

Conguration Task List for File Transfer Services..................................................................................................73

Enabling the FTP Server........................................................................................................................................... 73

Conguring FTP Server Parameters........................................................................................................................73

Conguring FTP Client Parameters......................................................................................................................... 74

Terminal Lines................................................................................................................................................................... 74

Denying and Permitting Access to a Terminal Line................................................................................................ 74

Conguring Login Authentication for Terminal Lines.............................................................................................75

Setting Timeout for EXEC Privilege Mode................................................................................................................... 76

Using Telnet to get to Another Network Device.......................................................................................................... 77

Lock CONFIGURATION Mode....................................................................................................................................... 77

Viewing the Conguration Lock Status................................................................................................................... 77

Reloading the system...................................................................................................................................................... 78

Restoring the Factory Default Settings.........................................................................................................................79

4

Contents

Important Points to Remember................................................................................................................................79

Restoring Factory Default Environment Variables................................................................................................. 79

Viewing the Reason for Last System Reboot............................................................................................................... 81

5 802.1X..........................................................................................................................................................82

Port-Authentication Process.......................................................................................................................................... 84

EAP over RADIUS......................................................................................................................................................84

Conguring 802.1X...........................................................................................................................................................85

Related Conguration Tasks..................................................................................................................................... 85

Important Points to Remember......................................................................................................................................85

Enabling 802.1X................................................................................................................................................................ 86

Conguring dot1x Prole ................................................................................................................................................ 87

Conguring MAC addresses for a do1x Prole.............................................................................................................88

Conguring the Static MAB and MAB Prole .............................................................................................................88

Conguring Critical VLAN ..............................................................................................................................................89

Conguring Request Identity Re-Transmissions...........................................................................................................90

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

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

Re-Authenticating a Port................................................................................................................................................92

Conguring Timeouts...................................................................................................................................................... 93

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................94

Guest and Authentication-Fail VLANs.......................................................................................................................... 95

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

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

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

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

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

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

Congure ACL Range Proles................................................................................................................................. 101

Important Points to Remember.................................................................................................................................... 102

Conguration Task List for Route Maps................................................................................................................ 102

Conguring Match Routes...................................................................................................................................... 104

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

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

Congure a Route Map for Route Tagging............................................................................................................107

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

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

IP Fragments ACL Examples...................................................................................................................................108

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

Congure a Standard IP ACL........................................................................................................................................109

Conguring a Standard IP ACL Filter......................................................................................................................110

Congure an Extended IP ACL.......................................................................................................................................111

Conguring Filters with a Sequence Number.........................................................................................................111

Conguring Filters Without a Sequence Number................................................................................................. 114

Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 114

Contents

5

Assign an IP ACL to an Interface...................................................................................................................................115

Applying an IP ACL..........................................................................................................................................................115

Counting ACL Hits.................................................................................................................................................... 116

Congure Ingress ACLs.................................................................................................................................................. 116

Congure Egress ACLs...................................................................................................................................................117

Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................... 117

IP Prex Lists...................................................................................................................................................................118

Implementation Information..................................................................................................................................... 118

Conguration Task List for Prex Lists...................................................................................................................119

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

Resequencing an ACL or Prex List.......................................................................................................................123

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

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

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

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

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

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

Sample Conguration...............................................................................................................................................128

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

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

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

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

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

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

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

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

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

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

Congure BFD for Static Routes............................................................................................................................137

Congure BFD for OSPF.........................................................................................................................................139

Congure BFD for OSPFv3.....................................................................................................................................143

Congure BFD for IS-IS...........................................................................................................................................146

Congure BFD for BGP........................................................................................................................................... 148

Congure BFD for VRRP.........................................................................................................................................156

Conguring Protocol Liveness................................................................................................................................158

8 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 159

Autonomous Systems (AS)...........................................................................................................................................159

Sessions and Peers......................................................................................................................................................... 161

Establish a Session....................................................................................................................................................161

Route Reectors.............................................................................................................................................................162

BGP Attributes................................................................................................................................................................163

Best Path Selection Criteria....................................................................................................................................163

Weight........................................................................................................................................................................165

Local Preference.......................................................................................................................................................165

6

Contents

Multi-Exit Discriminators (MEDs)...........................................................................................................................166

Origin..........................................................................................................................................................................167

AS Path......................................................................................................................................................................168

Next Hop................................................................................................................................................................... 168

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

Implement BGP with Dell EMC Networking OS.........................................................................................................169

Additional Path (Add-Path) Support......................................................................................................................169

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 169

Ignore Router-ID in Best-Path Calculation............................................................................................................ 170

Four-Byte AS Numbers............................................................................................................................................170

AS4 Number Representation.................................................................................................................................. 170

AS Number Migration...............................................................................................................................................172

BGP4 Management Information Base (MIB)........................................................................................................173

Important Points to Remember.............................................................................................................................. 173

Conguration Information..............................................................................................................................................174

BGP Conguration..........................................................................................................................................................174

Enabling BGP............................................................................................................................................................ 175

Conguring AS4 Number Representations........................................................................................................... 178

Conguring Peer Groups.........................................................................................................................................180

Conguring BGP Fast Fall-Over............................................................................................................................. 182

Conguring Passive Peering................................................................................................................................... 184

Maintaining Existing AS Numbers During an AS Migration................................................................................. 184

Allowing an AS Number to Appear in its Own AS Path.......................................................................................185

Enabling Graceful Restart........................................................................................................................................186

Enabling Neighbor Graceful Restart.......................................................................................................................187

Filtering on an AS-Path Attribute............................................................................................................................187

Regular Expressions as Filters.................................................................................................................................189

Redistributing Routes.............................................................................................................................................. 190

Enabling Additional Paths.........................................................................................................................................191

Conguring IP Community Lists..............................................................................................................................191

Conguring an IP Extended Community List........................................................................................................192

Filtering Routes with Community Lists..................................................................................................................193

Manipulating the COMMUNITY Attribute.............................................................................................................194

Changing MED Attributes....................................................................................................................................... 195

Changing the LOCAL_PREFERENCE Attribute.................................................................................................. 195

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 196

Changing the WEIGHT Attribute............................................................................................................................197

Enabling Multipath....................................................................................................................................................197

Filtering BGP Routes................................................................................................................................................197

Filtering BGP Routes Using Route Maps.............................................................................................................. 199

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 199

Conguring BGP Route Reectors....................................................................................................................... 200

Aggregating Routes..................................................................................................................................................201

Conguring BGP Confederations........................................................................................................................... 201

Enabling Route Flap Dampening............................................................................................................................ 202

Contents

7

Changing BGP Timers.............................................................................................................................................204

Enabling BGP Neighbor Soft-Reconguration.....................................................................................................204

Enabling or disabling BGP neighbors.....................................................................................................................205

Route Map Continue............................................................................................................................................... 207

Enabling MBGP Congurations....................................................................................................................................207

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 208

BGP Regular Expression Optimization........................................................................................................................208

Debugging BGP............................................................................................................................................................. 208

Storing Last and Bad PDUs....................................................................................................................................209

Capturing PDUs........................................................................................................................................................210

PDU Counters............................................................................................................................................................211

Sample Congurations....................................................................................................................................................211

9 Content Addressable Memory (CAM).........................................................................................................218

CAM Allocation............................................................................................................................................................... 218

Test CAM Usage............................................................................................................................................................220

View CAM Proles.........................................................................................................................................................220

View CAM-ACL Settings............................................................................................................................................... 221

View CAM Usage...........................................................................................................................................................222

Conguring CAM Threshold and Silence Period........................................................................................................223

Setting CAM Threshold and Silence Period......................................................................................................... 223

CAM Optimization......................................................................................................................................................... 224

Troubleshoot CAM Proling..........................................................................................................................................224

QoS CAM Region Limitation...................................................................................................................................224

Syslog Error When the Table is Full....................................................................................................................... 225

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................225

Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................225

Unied Forwarding Table (UFT) Modes......................................................................................................................225

Conguring UFT Modes......................................................................................................................................... 225

10 Control Plane Policing (CoPP)..................................................................................................................227

Congure Control Plane Policing................................................................................................................................. 228

Conguring CoPP for Protocols............................................................................................................................ 229

Conguring CoPP for CPU Queues....................................................................................................................... 231

Displaying CoPP Conguration ............................................................................................................................. 232

11 Data Center Bridging (DCB)......................................................................................................................234

Ethernet Enhancements in Data Center Bridging..................................................................................................... 234

Priority-Based Flow Control................................................................................................................................... 235

Enhanced Transmission Selection..........................................................................................................................236

Data Center Bridging Exchange Protocol (DCBx)............................................................................................... 237

Data Center Bridging in a Trac Flow...................................................................................................................238

Enabling Data Center Bridging..................................................................................................................................... 238

DCB Maps and its Attributes..................................................................................................................................239

Data Center Bridging: Default Conguration..............................................................................................................240

Conguring Priority-Based Flow Control....................................................................................................................240

8

Contents

Conguring Lossless Queues.................................................................................................................................. 241

Conguring PFC in a DCB Map................................................................................................................................... 243

PFC Conguration Notes........................................................................................................................................243

PFC Prerequisites and Restrictions....................................................................................................................... 244

Applying a DCB Map on a Port.................................................................................................................................... 244

Conguring PFC without a DCB Map.........................................................................................................................245

Conguring Lossless QueuesExample:..................................................................................................................245

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................246

Pause and Resume of Trac..................................................................................................................................246

Buer Sizes for Lossless or PFC Packets.............................................................................................................247

Behavior of Tagged Packets......................................................................................................................................... 247

Conguration Example for DSCP and PFC Priorities................................................................................................248

SNMP Support for PFC and Buer Statistics Tracking............................................................................................248

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................249

PFC and ETS Conguration Examples....................................................................................................................... 250

Using PFC to Manage Converged Ethernet Trac.................................................................................................. 250

Operations on Untagged Packets................................................................................................................................250

Generation of PFC for a Priority for Untagged Packets...........................................................................................250

Congure Enhanced Transmission Selection............................................................................................................. 250

ETS Prerequisites and Restrictions........................................................................................................................ 251

Creating an ETS Priority Group.............................................................................................................................. 251

ETS Operation with DCBx......................................................................................................................................252

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................252

Conguring ETS in a DCB Map..............................................................................................................................253

Hierarchical Scheduling in ETS Output Policies.........................................................................................................254

Using ETS to Manage Converged Ethernet Trac...................................................................................................255

Applying DCB Policies in a Switch Stack....................................................................................................................255

Congure a DCBx Operation........................................................................................................................................255

DCBx Operation.......................................................................................................................................................256

DCBx Port Roles......................................................................................................................................................256

DCB Conguration Exchange.................................................................................................................................257

Conguration Source Election............................................................................................................................... 258

Propagation of DCB Information........................................................................................................................... 258

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 258

DCBx Example......................................................................................................................................................... 259

DCBx Prerequisites and Restrictions.....................................................................................................................259

Conguring DCBx....................................................................................................................................................260

Verifying the DCB Conguration................................................................................................................................. 263

QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 272

Conguring the Dynamic Buer Method....................................................................................................................272

Sample DCB Conguration........................................................................................................................................... 273

PFC and ETS Conguration Command Examples...............................................................................................275

12 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 276

DHCP Packet Format and Options..............................................................................................................................276

Assign an IP Address using DHCP............................................................................................................................... 278

Contents

9

Implementation Information..........................................................................................................................................279

Congure the System to be a DHCP Server..............................................................................................................279

Conguring the Server for Automatic Address Allocation..................................................................................280

Specifying a Default Gateway.................................................................................................................................281

Congure a Method of Hostname Resolution...................................................................................................... 281

Using DNS for Address Resolution.........................................................................................................................281

Using NetBIOS WINS for Address Resolution......................................................................................................282

Creating Manual Binding Entries............................................................................................................................282

Debugging the DHCP Server................................................................................................................................. 282

Using DHCP Clear Commands...............................................................................................................................283

Congure the System to be a DHCP Client............................................................................................................... 283

Conguring the DHCP Client System................................................................................................................... 283

DHCP Client on a Management Interface............................................................................................................285

DHCP Client Operation with Other Features.......................................................................................................285

Congure the System for User Port Stacking (Option 230)....................................................................................286

Congure Secure DHCP...............................................................................................................................................286

Option 82.................................................................................................................................................................. 287

DHCP Snooping....................................................................................................................................................... 287

Drop DHCP Packets on Snooped VLANs Only....................................................................................................292

Dynamic ARP Inspection.........................................................................................................................................292

Conguring Dynamic ARP Inspection................................................................................................................... 293

Source Address Validation............................................................................................................................................ 294

Enabling IP Source Address Validation..................................................................................................................294

DHCP MAC Source Address Validation................................................................................................................ 295

Enabling IP+MAC Source Address Validation.......................................................................................................295

Viewing the Number of SAV Dropped Packets................................................................................................... 296

Clearing the Number of SAV Dropped Packets...................................................................................................296

13 Equal Cost Multi-Path (ECMP)................................................................................................................ 297

ECMP for Flow-Based Anity..................................................................................................................................... 297

Conguring the Hash Algorithm.............................................................................................................................297

Enabling Deterministic ECMP Next Hop...............................................................................................................297

Conguring the Hash Algorithm Seed.................................................................................................................. 298

Link Bundle Monitoring................................................................................................................................................. 298

Managing ECMP Group Paths...............................................................................................................................299

Creating an ECMP Group Bundle..........................................................................................................................299

Modifying the ECMP Group Threshold................................................................................................................ 299

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................300

Support for ECMP in host table.............................................................................................................................301

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes .........................................................................301

14 FIP Snooping............................................................................................................................................302

Fibre Channel over Ethernet........................................................................................................................................ 302

Ensure Robustness in a Converged Ethernet Network............................................................................................302

FIP Snooping on Ethernet Bridges..............................................................................................................................304

Using FIP Snooping....................................................................................................................................................... 306

10

Contents

FIP Snooping Prerequisites.....................................................................................................................................306

Important Points to Remember............................................................................................................................. 306

Enabling the FCoE Transit Feature........................................................................................................................ 307

Enable FIP Snooping on VLANs.............................................................................................................................307

Congure the FC-MAP Value................................................................................................................................ 308

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................308

Congure a Port for a Bridge-to-FCF Link...........................................................................................................308

Impact on Other Software Features..................................................................................................................... 308

FIP Snooping Restrictions...................................................................................................................................... 309

Conguring FIP Snooping.......................................................................................................................................309

Displaying FIP Snooping Information............................................................................................................................310

FCoE Transit Conguration Example........................................................................................................................... 315

15 Flex Hash and Optimized Boot-Up............................................................................................................ 317

Flex Hash Capability Overview......................................................................................................................................317

Conguring the Flex Hash Mechanism........................................................................................................................317

Conguring Fast Boot and LACP Fast Switchover....................................................................................................318

Optimizing the Boot Time..............................................................................................................................................318

Booting Process When Optimized Boot Time Mechanism is Enabled...............................................................318

Guidelines for Conguring Optimized Booting Mechanism.................................................................................319

Interoperation of Applications with Fast Boot and System States..........................................................................320

LACP and IPv4 Routing.......................................................................................................................................... 320

LACP and IPv6 Routing.......................................................................................................................................... 320

BGP Graceful Restart.............................................................................................................................................. 321

Cold Boot Caused by Power Cycling the System................................................................................................ 321

Unexpected Reload of the System.........................................................................................................................321

Software Upgrade.................................................................................................................................................... 321

LACP Fast Switchover.............................................................................................................................................321

Changes to BGP Multipath.....................................................................................................................................322

Delayed Installation of ECMP Routes Into BGP...................................................................................................322

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................322

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 323

16 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 324

Protocol Overview......................................................................................................................................................... 324

Ring Status............................................................................................................................................................... 325

Multiple FRRP Rings............................................................................................................................................... 325

Important FRRP Points...........................................................................................................................................326

Important FRRP Concepts..................................................................................................................................... 327

Implementing FRRP.......................................................................................................................................................328

FRRP Conguration.......................................................................................................................................................328

Creating the FRRP Group.......................................................................................................................................328

Conguring the Control VLAN...............................................................................................................................329

Conguring and Adding the Member VLANs.......................................................................................................330

Setting the FRRP Timers.........................................................................................................................................331

Clearing the FRRP Counters...................................................................................................................................331

Contents

11

Viewing the FRRP Conguration............................................................................................................................331

Viewing the FRRP Information............................................................................................................................... 331

Troubleshooting FRRP.................................................................................................................................................. 332

Conguration Checks..............................................................................................................................................332

Sample Conguration and Topology............................................................................................................................332

FRRP Support on VLT...................................................................................................................................................333

Example Scenario.................................................................................................................................................... 334

Important Points to Remember............................................................................................................................. 335

17 GARP VLAN Registration Protocol (GVRP)..............................................................................................336

Important Points to Remember................................................................................................................................... 336

Congure GVRP.............................................................................................................................................................337

Related Conguration Tasks................................................................................................................................... 337

Enabling GVRP Globally................................................................................................................................................ 338

Enabling GVRP on a Layer 2 Interface........................................................................................................................338

Congure GVRP Registration...................................................................................................................................... 338

Congure a GARP Timer.............................................................................................................................................. 339

18 Internet Group Management Protocol (IGMP)......................................................................................... 340

IGMP Implementation Information.............................................................................................................................. 340

IGMP Protocol Overview..............................................................................................................................................340

IGMP Version 2........................................................................................................................................................ 340

IGMP Version 3........................................................................................................................................................ 342

Congure IGMP............................................................................................................................................................. 345

Related Conguration Tasks...................................................................................................................................345

Viewing IGMP Enabled Interfaces............................................................................................................................... 346

Selecting an IGMP Version...........................................................................................................................................346

Viewing IGMP Groups...................................................................................................................................................346

Adjusting Timers.............................................................................................................................................................347

Adjusting Query and Response Timers................................................................................................................. 347

Enabling IGMP Immediate-Leave.................................................................................................................................348

IGMP Snooping..............................................................................................................................................................348

IGMP Snooping Implementation Information....................................................................................................... 348

Conguring IGMP Snooping...................................................................................................................................348

Removing a Group-Port Association.....................................................................................................................349

Disabling Multicast Flooding...................................................................................................................................349

Specifying a Port as Connected to a Multicast Router...................................................................................... 349

Conguring the Switch as Querier........................................................................................................................ 350

Fast Convergence after MSTP Topology Changes...................................................................................................350

Egress Interface Selection (EIS) for HTTP and IGMP Applications.........................................................................351

Protocol Separation..................................................................................................................................................351

Enabling and Disabling Management Egress Interface Selection...................................................................... 352

Handling of Management Route Conguration................................................................................................... 353

Handling of Switch-Initiated Trac....................................................................................................................... 353

Handling of Switch-Destined Trac......................................................................................................................354

Handling of Transit Trac (Trac Separation).................................................................................................... 355

12

Contents

Mapping of Management Applications and Trac Type.....................................................................................355

Behavior of Various Applications for Switch-Initiated Trac ............................................................................356

Behavior of Various Applications for Switch-Destined Trac ...........................................................................357

Interworking of EIS With Various Applications.....................................................................................................358

Designating a Multicast Router Interface...................................................................................................................358

19 Interfaces.................................................................................................................................................359

Basic Interface Conguration.......................................................................................................................................359

Advanced Interface Conguration...............................................................................................................................359

Interface Types...............................................................................................................................................................360

View Basic Interface Information.................................................................................................................................360

Resetting an Interface to its Factory Default State...................................................................................................362

Enabling a Physical Interface........................................................................................................................................363

Physical Interfaces.........................................................................................................................................................363

Conguration Task List for Physical Interfaces....................................................................................................363

40G to 1G Breakout Cable Adaptor....................................................................................................................... 363

Overview of Layer Modes...................................................................................................................................... 364

Conguring Layer 2 (Data Link) Mode..................................................................................................................365

Conguring Layer 2 (Interface) Mode.................................................................................................................. 365

Conguring Layer 3 (Network) Mode...................................................................................................................365

Conguring Layer 3 (Interface) Mode.................................................................................................................. 366

Egress Interface Selection (EIS).................................................................................................................................. 367

Important Points to Remember..............................................................................................................................367

Conguring EIS........................................................................................................................................................ 367

Management Interfaces................................................................................................................................................367

Conguring Management Interfaces.....................................................................................................................367

Conguring a Management Interface on an Ethernet Port............................................................................... 369

VLAN Interfaces.............................................................................................................................................................370

Loopback Interfaces.......................................................................................................................................................371

Null Interfaces................................................................................................................................................................. 371

Port Channel Interfaces.................................................................................................................................................371

Port Channel Denition and Standards................................................................................................................. 372

Port Channel Benets............................................................................................................................................. 372

Port Channel Implementation.................................................................................................................................372

Interfaces in Port Channels.....................................................................................................................................373

Conguration Tasks for Port Channel Interfaces................................................................................................. 373

Creating a Port Channel..........................................................................................................................................373

Adding a Physical Interface to a Port Channel..................................................................................................... 374

Reassigning an Interface to a New Port Channel................................................................................................ 375

Conguring the Minimum Oper Up Links in a Port Channel...............................................................................376

Adding or Removing a Port Channel from a VLAN..............................................................................................376

Assigning an IP Address to a Port Channel...........................................................................................................377

Deleting or Disabling a Port Channel..................................................................................................................... 378

Load Balancing Through Port Channels................................................................................................................378

Changing the Hash Algorithm................................................................................................................................ 378

Bulk Conguration..........................................................................................................................................................379

Contents

13

Interface Range........................................................................................................................................................379

Bulk Conguration Examples..................................................................................................................................380

Dening Interface Range Macros................................................................................................................................. 381

Dene the Interface Range.................................................................................................................................... 382

Choosing an Interface-Range Macro.................................................................................................................... 382

Monitoring and Maintaining Interfaces........................................................................................................................382

Maintenance Using TDR......................................................................................................................................... 383

Non Dell-Qualied Transceivers................................................................................................................................... 384

Splitting 40G Ports without Reload.............................................................................................................................384

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 386

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.................................................................................. 387

Important Points to Remember..............................................................................................................................387

Example Scenarios...................................................................................................................................................388

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................389

Link Dampening..............................................................................................................................................................389

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

Conguration Example of Link Dampening.......................................................................................................... 390

Enabling Link Dampening........................................................................................................................................392

Link Bundle Monitoring................................................................................................................................................. 393

Using Ethernet Pause Frames for Flow Control........................................................................................................ 394

Enabling Pause Frames........................................................................................................................................... 394

Congure the MTU Size on an Interface....................................................................................................................395

Port-Pipes.......................................................................................................................................................................396

Auto-Negotiation on Ethernet Interfaces...................................................................................................................396

Setting the Speed of Ethernet Interfaces............................................................................................................396

Set Auto-Negotiation Options................................................................................................................................397

View Advanced Interface Information.........................................................................................................................398

Conguring the Interface Sampling Size.............................................................................................................. 399

Dynamic Counters......................................................................................................................................................... 400

Clearing Interface Counters................................................................................................................................... 400

Compressing Conguration Files..................................................................................................................................401

20 IPv4 Routing............................................................................................................................................405

IP Addresses...................................................................................................................................................................406

Implementation Information................................................................................................................................... 406

Conguration Tasks for IP Addresses......................................................................................................................... 406

Assigning IP Addresses to an Interface.......................................................................................................................406

Conguring Static Routes.............................................................................................................................................407

Congure Static Routes for the Management Interface..........................................................................................408

Using the Congured Source IP Address in ICMP Messages..................................................................................409

Conguring the ICMP Source Interface............................................................................................................... 409

Conguring the Duration to Establish a TCP Connection........................................................................................ 409

Enabling Directed Broadcast.........................................................................................................................................410

Resolution of Host Names............................................................................................................................................ 410

Enabling Dynamic Resolution of Host Names.............................................................................................................410

Specifying the Local System Domain and a List of Domains.....................................................................................411

14

Contents

Conguring DNS with Traceroute................................................................................................................................. 411

ARP.................................................................................................................................................................................. 412

Conguration Tasks for ARP......................................................................................................................................... 412

Conguring Static ARP Entries.....................................................................................................................................412

Enabling Proxy ARP........................................................................................................................................................413

Clearing ARP Cache.......................................................................................................................................................413

ARP Learning via Gratuitous ARP................................................................................................................................ 413

Enabling ARP Learning via Gratuitous ARP.................................................................................................................414

ARP Learning via ARP Request....................................................................................................................................414

Conguring ARP Retries................................................................................................................................................415

ICMP................................................................................................................................................................................ 415

Conguration Tasks for ICMP.......................................................................................................................................415

Enabling ICMP Unreachable Messages.......................................................................................................................415

UDP Helper..................................................................................................................................................................... 416

Congure UDP Helper............................................................................................................................................. 416

Important Points to Remember.............................................................................................................................. 416

Enabling UDP Helper......................................................................................................................................................416

Conguring a Broadcast Address.................................................................................................................................416

Congurations Using UDP Helper................................................................................................................................ 417

UDP Helper with Broadcast-All Addresses..................................................................................................................417

UDP Helper with Subnet Broadcast Addresses......................................................................................................... 418

UDP Helper with Congured Broadcast Addresses...................................................................................................418

UDP Helper with No Congured Broadcast Addresses.............................................................................................419

Troubleshooting UDP Helper.........................................................................................................................................419

21 IPv6 Routing............................................................................................................................................ 420

Protocol Overview.........................................................................................................................................................420

Extended Address Space.........................................................................................................................................421

Stateless Autoconguration.................................................................................................................................... 421

IPv6 Headers.............................................................................................................................................................421

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support....................................................................422

IPv6 Header Fields...................................................................................................................................................423

Extension Header Fields..........................................................................................................................................425

Addressing................................................................................................................................................................ 426

Implementing IPv6 with Dell EMC Networking OS................................................................................................... 427

ICMPv6...........................................................................................................................................................................428

Path MTU Discovery.....................................................................................................................................................429

IPv6 Neighbor Discovery.............................................................................................................................................. 429

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................430

Conguring the IPv6 Recursive DNS Server....................................................................................................... 430

Debugging IPv6 RDNSS Information Sent to the Host ......................................................................................431

Displaying IPv6 RDNSS Information.......................................................................................................................431

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 432

Conguration Tasks for IPv6........................................................................................................................................ 432

Adjusting Your CAM-Prole....................................................................................................................................432

Assigning an IPv6 Address to an Interface........................................................................................................... 433

Contents

15

Assigning a Static IPv6 Route................................................................................................................................434

Conguring Telnet with IPv6..................................................................................................................................434

SNMP over IPv6......................................................................................................................................................434

Displaying IPv6 Information....................................................................................................................................435

Displaying an IPv6 Interface Information.............................................................................................................. 435

Showing IPv6 Routes..............................................................................................................................................436

Showing the Running-Conguration for an Interface......................................................................................... 437

Clearing IPv6 Routes...............................................................................................................................................438

Disabling ND Entry Timeout................................................................................................................................... 438

Conguring IPv6 RA Guard.......................................................................................................................................... 438

Conguring IPv6 RA Guard on an Interface.........................................................................................................440

Monitoring IPv6 RA Guard...................................................................................................................................... 441

22 iSCSI Optimization...................................................................................................................................442

iSCSI Optimization Overview....................................................................................................................................... 442

Monitoring iSCSI Trac Flows...............................................................................................................................444

Application of Quality of Service to iSCSI Trac Flows......................................................................................444

Information Monitored in iSCSI Trac Flows.......................................................................................................444

Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 445

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................445

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................446

Enable and Disable iSCSI Optimization................................................................................................................. 446

Default iSCSI Optimization Values............................................................................................................................... 447

iSCSI Optimization Prerequisites..................................................................................................................................447

Conguring iSCSI Optimization....................................................................................................................................447

Displaying iSCSI Optimization Information..................................................................................................................449

23 Intermediate System to Intermediate System........................................................................................... 451

IS-IS Protocol Overview................................................................................................................................................ 451

IS-IS Addressing..............................................................................................................................................................451

Multi-Topology IS-IS...................................................................................................................................................... 452

Transition Mode....................................................................................................................................................... 452

Interface Support.....................................................................................................................................................453

Adjacencies...............................................................................................................................................................453

Graceful Restart.............................................................................................................................................................453

Timers....................................................................................................................................................................... 453

Implementation Information..........................................................................................................................................453

Conguration Information.............................................................................................................................................454

Conguration Tasks for IS-IS................................................................................................................................. 455

Conguring the Distance of a Route.....................................................................................................................462

Changing the IS-Type.............................................................................................................................................. 463

Redistributing IPv4 Routes.....................................................................................................................................465

Redistributing IPv6 Routes.....................................................................................................................................466

Conguring Authentication Passwords................................................................................................................. 467

Setting the Overload Bit......................................................................................................................................... 467

Debugging IS-IS....................................................................................................................................................... 468

16

Contents

IS-IS Metric Styles.........................................................................................................................................................469

Congure Metric Values............................................................................................................................................... 469

Maximum Values in the Routing Table.................................................................................................................. 469

Change the IS-IS Metric Style in One Level Only................................................................................................469

Leaks from One Level to Another...........................................................................................................................471

Sample Congurations.................................................................................................................................................. 472

24 Link Aggregation Control Protocol (LACP)...............................................................................................474

Introduction to Dynamic LAGs and LACP...................................................................................................................474

Important Points to Remember..............................................................................................................................474

LACP Modes............................................................................................................................................................ 475

Conguring LACP Commands............................................................................................................................... 475

LACP Conguration Tasks............................................................................................................................................ 476

Creating a LAG.........................................................................................................................................................476

Conguring the LAG Interfaces as Dynamic........................................................................................................ 476

Setting the LACP Long Timeout............................................................................................................................ 477

Monitoring and Debugging LACP.......................................................................................................................... 477

Shared LAG State Tracking...........................................................................................................................................478

Conguring Shared LAG State Tracking............................................................................................................... 478

Important Points about Shared LAG State Tracking...........................................................................................480

LACP Basic Conguration Example............................................................................................................................ 480

Congure a LAG on ALPHA................................................................................................................................... 480

25 Layer 2.....................................................................................................................................................489

Manage the MAC Address Table................................................................................................................................. 489

Clearing the MAC Address Table........................................................................................................................... 489

Setting the Aging Time for Dynamic Entries........................................................................................................489

Conguring a Static MAC Address........................................................................................................................490

Displaying the MAC Address Table........................................................................................................................490

MAC Learning Limit.......................................................................................................................................................490

Setting the MAC Learning Limit............................................................................................................................. 491

mac learning-limit Dynamic..................................................................................................................................... 491

mac learning-limit mac-address-sticky.................................................................................................................. 491

mac learning-limit station-move.............................................................................................................................492

mac learning-limit no-station-move.......................................................................................................................492

Learning Limit Violation Actions.............................................................................................................................492

Setting Station Move Violation Actions................................................................................................................ 493

Recovering from Learning Limit and Station Move Violations........................................................................... 493

Disabling MAC Address Learning on the System.................................................................................................494

NIC Teaming................................................................................................................................................................... 494

Congure Redundant Pairs.......................................................................................................................................... 495

Important Points about Conguring Redundant Pairs.........................................................................................497

Far-End Failure Detection.............................................................................................................................................498

FEFD State Changes...............................................................................................................................................499

Conguring FEFD....................................................................................................................................................500

Enabling FEFD on an Interface.............................................................................................................................. 500

Contents

17

Debugging FEFD...................................................................................................................................................... 501

26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 503

802.1AB (LLDP) Overview............................................................................................................................................503

Protocol Data Units................................................................................................................................................. 503

Optional TLVs.................................................................................................................................................................504

Management TLVs.................................................................................................................................................. 504

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 506

TIA Organizationally Specic TLVs........................................................................................................................506

Congure LLDP.............................................................................................................................................................. 510

Related Conguration Tasks....................................................................................................................................510

Important Points to Remember.............................................................................................................................. 510

LLDP Compatibility....................................................................................................................................................511

CONFIGURATION versus INTERFACE Congurations..............................................................................................511

Enabling LLDP................................................................................................................................................................. 511

Disabling and Undoing LLDP...................................................................................................................................512

Enabling LLDP on Management Ports.........................................................................................................................512

Disabling and Undoing LLDP on Management Ports...........................................................................................512

Advertising TLVs.............................................................................................................................................................512

Storing and Viewing Unrecognized LLDP TLVs..........................................................................................................514

Reserved Unrecognized LLDP TLVs...................................................................................................................... 514

Organizational Specic Unrecognized LLDP TLVs...............................................................................................514

Viewing Unrecognized LLDP TLVs.........................................................................................................................514

Viewing the LLDP Conguration.................................................................................................................................. 515

Viewing Information Advertised by Adjacent LLDP Neighbors.................................................................................515

Examples of Viewing Information Advertised by Neighbors............................................................................... 515

Conguring LLDPDU Intervals...................................................................................................................................... 517

Conguring Transmit and Receive Mode.................................................................................................................... 518

Conguring the Time to Live Value.............................................................................................................................. 519

Debugging LLDP.............................................................................................................................................................519

Relevant Management Objects................................................................................................................................... 520

27 Microsoft Network Load Balancing.......................................................................................................... 526

NLB Unicast Mode Scenario........................................................................................................................................526

NLB Multicast Mode Scenario.....................................................................................................................................526

Limitations of the NLB Feature.................................................................................................................................... 527

Microsoft Clustering......................................................................................................................................................527

Enable and Disable VLAN Flooding .............................................................................................................................527

Conguring a Switch for NLB ..................................................................................................................................... 527

Enabling a Switch for Multicast NLB.................................................................................................................... 528

28 Multicast Source Discovery Protocol (MSDP)......................................................................................... 529

Protocol Overview.........................................................................................................................................................529

Anycast RP.....................................................................................................................................................................530

Implementation Information.......................................................................................................................................... 531

Congure Multicast Source Discovery Protocol.........................................................................................................531

18

Contents

Related Conguration Tasks....................................................................................................................................531

Enable MSDP.................................................................................................................................................................535

Manage the Source-Active Cache.............................................................................................................................. 536

Viewing the Source-Active Cache.........................................................................................................................536

Limiting the Source-Active Cache.........................................................................................................................536

Clearing the Source-Active Cache........................................................................................................................ 537

Enabling the Rejected Source-Active Cache....................................................................................................... 537

Accept Source-Active Messages that Fail the RFP Check......................................................................................537

Specifying Source-Active Messages...........................................................................................................................540

Limiting the Source-Active Messages from a Peer....................................................................................................541

Preventing MSDP from Caching a Local Source........................................................................................................541

Preventing MSDP from Caching a Remote Source.................................................................................................. 542

Preventing MSDP from Advertising a Local Source..................................................................................................542

Logging Changes in Peership States...........................................................................................................................543

Terminating a Peership..................................................................................................................................................543

Clearing Peer Statistics.................................................................................................................................................544

Debugging MSDP.......................................................................................................................................................... 544

MSDP with Anycast RP................................................................................................................................................545

Conguring Anycast RP................................................................................................................................................546

Reducing Source-Active Message Flooding.........................................................................................................547

Specifying the RP Address Used in SA Messages.............................................................................................. 547

MSDP Sample Congurations..................................................................................................................................... 549

29 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 552

Protocol Overview.........................................................................................................................................................552

Spanning Tree Variations.............................................................................................................................................. 553

Implementation Information................................................................................................................................... 553

Congure Multiple Spanning Tree Protocol................................................................................................................553

Related Conguration Tasks...................................................................................................................................554

Enable Multiple Spanning Tree Globally...................................................................................................................... 554

Adding and Removing Interfaces.................................................................................................................................554

Creating Multiple Spanning Tree Instances................................................................................................................555

Inuencing MSTP Root Selection............................................................................................................................... 556

Interoperate with Non-Dell Bridges............................................................................................................................. 557

Changing the Region Name or Revision..................................................................................................................... 557

Modifying Global Parameters....................................................................................................................................... 557

Modifying the Interface Parameters........................................................................................................................... 559

Conguring an EdgePort.............................................................................................................................................. 560

Flush MAC Addresses after a Topology Change....................................................................................................... 560

MSTP Sample Congurations.......................................................................................................................................561

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

CongurationSFTOS Example Running-Conguration........................................................................................561

Debugging and Verifying MSTP Congurations........................................................................................................ 565

30 Multicast Features................................................................................................................................... 567

Enabling IP Multicast.....................................................................................................................................................567

Contents

19

Implementation Information..........................................................................................................................................567

Multicast Policies...........................................................................................................................................................568

IPv4 Multicast Policies............................................................................................................................................568

Understanding Multicast Traceroute (mtrace)...........................................................................................................575

Important Points to Remember..............................................................................................................................576

Printing Multicast Traceroute (mtrace) Paths............................................................................................................576

Supported Error Codes................................................................................................................................................. 577

mtrace Scenarios........................................................................................................................................................... 578

31 Object Tracking........................................................................................................................................ 584

Object Tracking Overview............................................................................................................................................ 584

Track Layer 2 Interfaces......................................................................................................................................... 585

Track Layer 3 Interfaces......................................................................................................................................... 585

Track IPv4 and IPv6 Routes...................................................................................................................................586

Set Tracking Delays..................................................................................................................................................587

VRRP Object Tracking.............................................................................................................................................587

Object Tracking Conguration......................................................................................................................................587

Tracking a Layer 2 Interface................................................................................................................................... 587

Tracking a Layer 3 Interface................................................................................................................................... 588

Track an IPv4/IPv6 Route......................................................................................................................................590

Displaying Tracked Objects...........................................................................................................................................593

32 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................595

Protocol Overview.........................................................................................................................................................595

Autonomous System (AS) Areas........................................................................................................................... 595

Area Types................................................................................................................................................................ 596

Networks and Neighbors........................................................................................................................................ 597

Router Types.............................................................................................................................................................597

Designated and Backup Designated Routers.......................................................................................................599

Link-State Advertisements (LSAs)........................................................................................................................599

Router Priority and Cost.........................................................................................................................................600

OSPF with Dell EMC Networking OS..........................................................................................................................601

Graceful Restart...................................................................................................................................................... 602

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................603

Multi-Process OSPFv2 with VRF..........................................................................................................................603

RFC-2328 Compliant OSPF Flooding................................................................................................................... 603

OSPF ACK Packing................................................................................................................................................. 604

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 604

Conguration Information.............................................................................................................................................605

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 605

OSPFv3 NSSA................................................................................................................................................................619

NSSA Options...........................................................................................................................................................619

Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 620

Enabling IPv6 Unicast Routing...............................................................................................................................620

Applying cost for OSPFv3.......................................................................................................................................621

Assigning IPv6 Addresses on an Interface............................................................................................................ 621

20

Contents

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Dell PowerSwitch S6000 ON Owner's manual

Dell PowerSwitch S6000 ON Owner's manual

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