Dell PowerSwitch S6000 ON Owner's manual

Dell Conguration Guide for the S6000–ON

System

9.14.1.0

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.

may be trademarks of their respective owners.

2018 - 11

Rev. A00

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

3 Getting Started............................................................................................................................................47

Console Access................................................................................................................................................................48

Serial Console.............................................................................................................................................................48

Default Conguration...................................................................................................................................................... 49

Conguring a Host Name............................................................................................................................................... 49

Accessing the System Remotely....................................................................................................................................49

Accessing the System Remotely............................................................................................................................. 50

Congure the Management Port IP Address.........................................................................................................50

Congure a Management Route..............................................................................................................................50

Conguring a Username and Password..................................................................................................................50

Conguring the Enable Password...................................................................................................................................51

Conguration File Management.....................................................................................................................................52

Copy Files to and from the System......................................................................................................................... 52

Mounting an NFS File System..................................................................................................................................53

Save the Running-Conguration..............................................................................................................................54

Congure the Overload Bit for a Startup Scenario............................................................................................... 55

Viewing Files...............................................................................................................................................................55

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

View Command History.................................................................................................................................................. 56

Upgrading Dell EMC Networking OS.............................................................................................................................57

Using HTTP for File Transfers........................................................................................................................................ 57

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

4 Management............................................................................................................................................... 59

Contents

3

Conguring Privilege Levels........................................................................................................................................... 59

Creating a Custom Privilege Level...........................................................................................................................60

Removing a Command from EXEC Mode.............................................................................................................. 60

Moving a Command from EXEC Privilege Mode to EXEC Mode....................................................................... 60

Allowing Access to CONFIGURATION Mode Commands....................................................................................60

Allowing Access to Dierent Modes........................................................................................................................60

Applying a Privilege Level to a Username............................................................................................................... 62

Applying a Privilege Level to a Terminal Line.......................................................................................................... 62

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

Audit and Security Logs............................................................................................................................................ 63

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

Setting Up a Secure Connection to a Syslog Server.............................................................................................64

Log Messages in the Internal Buer..............................................................................................................................66

Conguration Task List for System Log Management..........................................................................................66

Disabling System Logging...............................................................................................................................................66

Sending System Messages to a Syslog Server............................................................................................................66

Conguring a UNIX System as a Syslog Server.....................................................................................................66

Track Login Activity..........................................................................................................................................................67

Restrictions for Tracking Login Activity...................................................................................................................67

Conguring Login Activity Tracking......................................................................................................................... 67

Display Login Statistics..............................................................................................................................................68

Limit Concurrent Login Sessions....................................................................................................................................69

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 69

Conguring Concurrent Session Limit.....................................................................................................................69

Enabling the System to Clear Existing Sessions.................................................................................................... 70

Enabling Secured CLI Mode............................................................................................................................................ 71

Changing System Logging Settings............................................................................................................................... 71

Display the Logging Buer and the Logging Conguration........................................................................................ 72

Conguring a UNIX Logging Facility Level.................................................................................................................... 72

Synchronizing Log Messages......................................................................................................................................... 73

Enabling Timestamp on Syslog Messages.................................................................................................................... 74

File Transfer Services.......................................................................................................................................................74

Conguration Task List for File Transfer Services..................................................................................................75

Enabling the FTP Server...........................................................................................................................................75

Conguring FTP Server Parameters....................................................................................................................... 75

Conguring FTP Client Parameters......................................................................................................................... 76

Terminal Lines................................................................................................................................................................... 76

Denying and Permitting Access to a Terminal Line................................................................................................76

Conguring Login Authentication for Terminal Lines............................................................................................. 77

Setting Timeout for EXEC Privilege Mode................................................................................................................... 78

Using Telnet to get to Another Network Device..........................................................................................................79

Lock CONFIGURATION Mode....................................................................................................................................... 79

Viewing the Conguration Lock Status...................................................................................................................79

Reloading the system...................................................................................................................................................... 80

Restoring the Factory Default Settings......................................................................................................................... 81

4

Contents

Important Points to Remember................................................................................................................................ 81

Restoring Factory Default Environment Variables.................................................................................................. 81

Viewing the Reason for Last System Reboot...............................................................................................................83

Disabling Syslog Messages for SNMP Authentication Failure Events.......................................................................83

5 802.1X..........................................................................................................................................................84

Port-Authentication Process..........................................................................................................................................86

EAP over RADIUS......................................................................................................................................................86

Conguring 802.1X........................................................................................................................................................... 87

Related Conguration Tasks..................................................................................................................................... 87

Important Points to Remember......................................................................................................................................87

Enabling 802.1X................................................................................................................................................................ 88

Conguring dot1x Prole ................................................................................................................................................89

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

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

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

Conguring Request Identity Re-Transmissions...........................................................................................................92

Conguring a Quiet Period after a Failed Authentication..................................................................................... 92

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 93

Re-Authenticating a Port................................................................................................................................................94

Conguring Timeouts......................................................................................................................................................95

Conguring Dynamic VLAN Assignment with Port Authentication.......................................................................... 96

Guest and Authentication-Fail VLANs...........................................................................................................................97

Conguring a Guest VLAN........................................................................................................................................97

Conguring an Authentication-Fail VLAN............................................................................................................... 97

6 Access Control Lists (ACLs)........................................................................................................................ 99

IP Access Control Lists (ACLs).....................................................................................................................................100

CAM Usage................................................................................................................................................................101

Implementing ACLs on Dell EMC Networking OS................................................................................................ 101

Congure ACL Range Proles................................................................................................................................ 103

Important Points to Remember....................................................................................................................................104

Conguration Task List for Route Maps................................................................................................................104

Conguring Match Routes......................................................................................................................................106

Conguring Set Conditions..................................................................................................................................... 107

Congure a Route Map for Route Redistribution.................................................................................................108

Congure a Route Map for Route Tagging........................................................................................................... 109

Continue Clause........................................................................................................................................................109

IP Fragment Handling..................................................................................................................................................... 110

IP Fragments ACL Examples................................................................................................................................... 110

Layer 4 ACL Rules Examples................................................................................................................................... 110

Congure a Standard IP ACL..........................................................................................................................................111

Conguring a Standard IP ACL Filter......................................................................................................................112

Congure an Extended IP ACL......................................................................................................................................113

Conguring Filters with a Sequence Number........................................................................................................113

Conguring Filters Without a Sequence Number................................................................................................. 116

Contents

5

Congure Layer 2 and Layer 3 ACLs............................................................................................................................ 116

Assign an IP ACL to an Interface...................................................................................................................................117

Applying an IP ACL..........................................................................................................................................................117

Counting ACL Hits.................................................................................................................................................... 118

Congure Ingress ACLs.................................................................................................................................................. 118

Congure Egress ACLs...................................................................................................................................................119

Applying Egress Layer 3 ACLs (Control-Plane).................................................................................................... 120

IP Prex Lists.................................................................................................................................................................. 120

Implementation Information..................................................................................................................................... 121

Conguration Task List for Prex Lists...................................................................................................................121

ACL Remarks.................................................................................................................................................................. 124

Conguring a Remark.............................................................................................................................................. 124

Deleting a Remark.................................................................................................................................................... 125

ACL Resequencing......................................................................................................................................................... 126

Resequencing an ACL or Prex List.......................................................................................................................126

Route Maps..................................................................................................................................................................... 127

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

Flow-Based Monitoring..................................................................................................................................................128

Behavior of Flow-Based Monitoring.......................................................................................................................128

Enabling Flow-Based Monitoring............................................................................................................................129

Conguring IP Mirror Access Group............................................................................................................................ 130

Sample Conguration................................................................................................................................................131

Example of viewing IP mirror–access–group applied to an Interface................................................................132

7 Bidirectional Forwarding Detection (BFD).................................................................................................. 133

How BFD Works............................................................................................................................................................. 133

BFD Packet Format..................................................................................................................................................134

BFD Sessions............................................................................................................................................................ 135

BFD Three-Way Handshake.................................................................................................................................... 136

Session State Changes............................................................................................................................................138

Important Points to Remember.................................................................................................................................... 138

Congure BFD................................................................................................................................................................ 138

Congure BFD for Physical Ports...........................................................................................................................139

Congure BFD for Static Routes............................................................................................................................140

Congure BFD for IPv6 Static Routes...................................................................................................................144

Congure BFD for OSPF.........................................................................................................................................146

Congure BFD for OSPFv3.....................................................................................................................................150

Congure BFD for IS-IS...........................................................................................................................................153

Congure BFD for BGP...........................................................................................................................................155

Congure BFD for VRRP.........................................................................................................................................163

Conguring Protocol Liveness................................................................................................................................165

8 Border Gateway Protocol (BGP)................................................................................................................ 166

BGP IP version 4 (BGPv4) Overview..........................................................................................................................166

BGP Autonomous Systems........................................................................................................................................... 167

AS4 Number Representation.................................................................................................................................. 168

6

Contents

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

Multiprotocol BGP..........................................................................................................................................................170

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

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

BGP global and address family conguration..............................................................................................................172

BGP global conguration default values................................................................................................................ 172

BGP Attributes for selecting Best Path.......................................................................................................................173

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

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

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

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

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

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

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

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

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

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

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

AS Number Migration.............................................................................................................................................. 180

BGP4 Management Information Base (MIB).........................................................................................................181

Important Points to Remember...............................................................................................................................181

Conguration Information..............................................................................................................................................182

Basic BGP conguration tasks......................................................................................................................................182

Enabling BGP............................................................................................................................................................ 182

Conguring a BGP peer...........................................................................................................................................185

Conguring AS4 Number Representations........................................................................................................... 186

Conguring a BGP VRF address family..................................................................................................................187

Route-refresh and Soft-reconguration................................................................................................................189

Aggregating Routes..................................................................................................................................................192

Filtering BGP Routes................................................................................................................................................192

Filtering BGP Routes Using Route Maps...............................................................................................................192

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 193

Conguring Peer Groups.........................................................................................................................................194

Conguring BGP Fast Fall-Over............................................................................................................................ 202

Conguring Passive Peering...................................................................................................................................203

Maintaining Existing AS Numbers During an AS Migration................................................................................ 204

Allowing an AS Number to Appear in its Own AS Path...................................................................................... 205

Enabling Graceful Restart.......................................................................................................................................206

Filtering on an AS-Path Attribute...........................................................................................................................207

Regular Expressions as Filters................................................................................................................................208

Redistributing Routes..............................................................................................................................................209

Enabling Additional Paths........................................................................................................................................ 210

Conguring IP Community Lists..............................................................................................................................211

Conguring an IP Extended Community List........................................................................................................ 212

Filtering Routes with Community Lists.................................................................................................................. 213

Contents

7

Manipulating the COMMUNITY Attribute.............................................................................................................214

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

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

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

Changing the WEIGHT Attribute............................................................................................................................217

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

Route Reectors.......................................................................................................................................................218

Conguring BGP Confederations.......................................................................................................................... 220

Enabling Route Flap Dampening............................................................................................................................ 220

Changing BGP keepalive and hold timers.............................................................................................................222

Setting the extended timer.....................................................................................................................................223

Enabling or disabling BGP neighbors.....................................................................................................................224

Route Map Continue............................................................................................................................................... 225

Enabling MBGP Congurations................................................................................................................................... 226

MBGP support for IPv6................................................................................................................................................226

Conguring IPv6 MBGP between peers.................................................................................................................... 226

Example-Conguring IPv4 and IPv6 neighbors..........................................................................................................227

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

BGP Regular Expression Optimization.........................................................................................................................231

Debugging BGP.............................................................................................................................................................. 231

Storing Last and Bad PDUs....................................................................................................................................232

Capturing PDUs....................................................................................................................................................... 233

PDU Counters.......................................................................................................................................................... 234

9 Content Addressable Memory (CAM)........................................................................................................235

CAM Allocation.............................................................................................................................................................. 235

Test CAM Usage............................................................................................................................................................ 237

View CAM Proles......................................................................................................................................................... 237

View CAM-ACL Settings.............................................................................................................................................. 238

View CAM Usage...........................................................................................................................................................239

Conguring CAM Threshold and Silence Period........................................................................................................240

Setting CAM Threshold and Silence Period......................................................................................................... 240

CAM Optimization.......................................................................................................................................................... 241

Troubleshoot CAM Proling...........................................................................................................................................241

QoS CAM Region Limitation....................................................................................................................................241

Syslog Error When the Table is Full....................................................................................................................... 242

Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................242

Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 242

Unied Forwarding Table (UFT) Modes......................................................................................................................242

Conguring UFT Modes..........................................................................................................................................242

10 Control Plane Policing (CoPP)..................................................................................................................244

Congure Control Plane Policing................................................................................................................................. 245

Conguring CoPP for Protocols............................................................................................................................ 246

Conguring CoPP for CPU Queues...................................................................................................................... 248

Displaying CoPP Conguration ............................................................................................................................. 249

8

Contents

11 Data Center Bridging (DCB)...................................................................................................................... 251

Ethernet Enhancements in Data Center Bridging...................................................................................................... 251

Priority-Based Flow Control................................................................................................................................... 252

Enhanced Transmission Selection..........................................................................................................................253

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................254

Data Center Bridging in a Trac Flow.................................................................................................................. 255

Enabling Data Center Bridging.....................................................................................................................................255

DCB Maps and its Attributes................................................................................................................................. 256

Data Center Bridging: Default Conguration..............................................................................................................257

Conguring Priority-Based Flow Control.................................................................................................................... 257

Conguring Lossless Queues................................................................................................................................. 258

Conguring PFC in a DCB Map................................................................................................................................... 260

PFC Conguration Notes....................................................................................................................................... 260

PFC Prerequisites and Restrictions........................................................................................................................261

Applying a DCB Map on a Port.....................................................................................................................................261

Conguring PFC without a DCB Map.........................................................................................................................262

Conguring Lossless QueuesExample:..................................................................................................................262

Conguring PFC Asymmetric.......................................................................................................................................263

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................264

Pause and Resume of Trac..................................................................................................................................264

Buer Sizes for Lossless or PFC Packets............................................................................................................ 264

Behavior of Tagged Packets.........................................................................................................................................265

Conguration Example for DSCP and PFC Priorities................................................................................................265

SNMP Support for PFC and Buer Statistics Tracking............................................................................................266

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................266

PFC and ETS Conguration Examples........................................................................................................................267

Using PFC to Manage Converged Ethernet Trac...................................................................................................267

Operations on Untagged Packets................................................................................................................................ 267

Generation of PFC for a Priority for Untagged Packets...........................................................................................268

Congure Enhanced Transmission Selection..............................................................................................................268

ETS Prerequisites and Restrictions....................................................................................................................... 268

Creating an ETS Priority Group..............................................................................................................................268

ETS Operation with DCBx...................................................................................................................................... 270

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................270

Conguring ETS in a DCB Map...............................................................................................................................271

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 272

Using ETS to Manage Converged Ethernet Trac................................................................................................... 273

Applying DCB Policies in a Switch Stack.................................................................................................................... 273

Congure a DCBx Operation........................................................................................................................................ 273

DCBx Operation....................................................................................................................................................... 273

DCBx Port Roles.......................................................................................................................................................274

DCB Conguration Exchange.................................................................................................................................275

Conguration Source Election................................................................................................................................275

Propagation of DCB Information............................................................................................................................276

Auto-Detection and Manual Conguration of the DCBx Version.......................................................................276

Contents

9

DCBx Example..........................................................................................................................................................277

DCBx Prerequisites and Restrictions..................................................................................................................... 277

Conguring DCBx.....................................................................................................................................................277

Verifying the DCB Conguration.................................................................................................................................. 281

QoS dot1p Trac Classication and Queue Assignment..........................................................................................289

Conguring the Dynamic Buer Method................................................................................................................... 290

Sample DCB Conguration........................................................................................................................................... 291

PFC and ETS Conguration Command Examples...............................................................................................293

12 Dynamic Host Conguration Protocol (DHCP).........................................................................................294

DHCP Packet Format and Options............................................................................................................................. 294

Assign an IP Address using DHCP...............................................................................................................................296

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

Congure the System to be a DHCP Server..............................................................................................................297

Conguring the Server for Automatic Address Allocation..................................................................................298

Specifying a Default Gateway................................................................................................................................ 299

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

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

Using NetBIOS WINS for Address Resolution..................................................................................................... 300

Creating Manual Binding Entries........................................................................................................................... 300

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

Using DHCP Clear Commands............................................................................................................................... 301

Congure the System to be a DHCP Client................................................................................................................301

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

DHCP Client on a Management Interface............................................................................................................303

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

DHCP Relay When DHCP Server and Client are in Dierent VRFs........................................................................305

Conguring Route Leaking between VRFs on DHCP Relay Agent................................................................... 305

Non-default VRF conguration for DHCPv6 helper address...................................................................................306

Conguring DHCP relay source interface...................................................................................................................306

Global DHCP relay source IPv4 or IPv6 conguration .......................................................................................306

Interface level DHCP relay source IPv4 or IPv6 conguration ..........................................................................307

Congure the System for User Port Stacking (Option 230)................................................................................... 308

Congure Secure DHCP...............................................................................................................................................308

Option 82..................................................................................................................................................................309

DHCP Snooping.......................................................................................................................................................309

Drop DHCP Packets on Snooped VLANs Only.....................................................................................................314

Dynamic ARP Inspection......................................................................................................................................... 314

Conguring Dynamic ARP Inspection....................................................................................................................315

Source Address Validation............................................................................................................................................. 316

Enabling IP Source Address Validation...................................................................................................................316

DHCP MAC Source Address Validation................................................................................................................. 317

Enabling IP+MAC Source Address Validation........................................................................................................317

Viewing the Number of SAV Dropped Packets.................................................................................................... 318

Clearing the Number of SAV Dropped Packets....................................................................................................318

10

Contents

13 Equal Cost Multi-Path (ECMP).................................................................................................................319

ECMP for Flow-Based Anity......................................................................................................................................319

Conguring the Hash Algorithm............................................................................................................................. 319

Enabling Deterministic ECMP Next Hop............................................................................................................... 319

Conguring the Hash Algorithm Seed.................................................................................................................. 320

Link Bundle Monitoring................................................................................................................................................. 320

Managing ECMP Group Paths................................................................................................................................321

Creating an ECMP Group Bundle...........................................................................................................................321

Modifying the ECMP Group Threshold................................................................................................................. 321

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................322

Support for ECMP in host table............................................................................................................................ 323

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 323

14 FIP Snooping............................................................................................................................................ 324

Fibre Channel over Ethernet........................................................................................................................................ 324

Ensure Robustness in a Converged Ethernet Network............................................................................................ 324

FIP Snooping on Ethernet Bridges.............................................................................................................................. 326

Using FIP Snooping....................................................................................................................................................... 328

FIP Snooping Prerequisites.....................................................................................................................................328

Important Points to Remember..............................................................................................................................328

Enabling the FCoE Transit Feature........................................................................................................................329

Enable FIP Snooping on VLANs.............................................................................................................................329

Congure the FC-MAP Value................................................................................................................................ 330

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................330

Congure a Port for a Bridge-to-FCF Link...........................................................................................................330

Impact on Other Software Features..................................................................................................................... 330

FIP Snooping Restrictions....................................................................................................................................... 331

Conguring FIP Snooping........................................................................................................................................331

Displaying FIP Snooping Information...........................................................................................................................332

FCoE Transit Conguration Example...........................................................................................................................337

15 Flex Hash and Optimized Boot-Up............................................................................................................339

Flex Hash Capability Overview.....................................................................................................................................339

Conguring the Flex Hash Mechanism.......................................................................................................................339

Conguring Fast Boot and LACP Fast Switchover...................................................................................................340

Optimizing the Boot Time.............................................................................................................................................340

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................340

Guidelines for Conguring Optimized Booting Mechanism.................................................................................341

Interoperation of Applications with Fast Boot and System States..........................................................................342

LACP and IPv4 Routing.......................................................................................................................................... 342

LACP and IPv6 Routing.......................................................................................................................................... 342

BGP Graceful Restart............................................................................................................................................. 343

Cold Boot Caused by Power Cycling the System................................................................................................343

Unexpected Reload of the System........................................................................................................................343

Software Upgrade................................................................................................................................................... 343

Contents

11

LACP Fast Switchover............................................................................................................................................343

Changes to BGP Multipath.....................................................................................................................................344

Delayed Installation of ECMP Routes Into BGP...................................................................................................344

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................344

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces......................................................................................345

16 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 346

Protocol Overview.........................................................................................................................................................346

Ring Status............................................................................................................................................................... 347

Multiple FRRP Rings................................................................................................................................................347

Important FRRP Points...........................................................................................................................................348

Important FRRP Concepts..................................................................................................................................... 349

Implementing FRRP...................................................................................................................................................... 350

FRRP Conguration...................................................................................................................................................... 350

Creating the FRRP Group...................................................................................................................................... 350

Conguring the Control VLAN...............................................................................................................................350

Conguring and Adding the Member VLANs.......................................................................................................352

Setting the FRRP Timers........................................................................................................................................353

Clearing the FRRP Counters..................................................................................................................................353

Viewing the FRRP Conguration...........................................................................................................................353

Viewing the FRRP Information.............................................................................................................................. 353

Troubleshooting FRRP.................................................................................................................................................. 354

Conguration Checks..............................................................................................................................................354

Sample Conguration and Topology............................................................................................................................354

FRRP Support on VLT.................................................................................................................................................. 355

Example Scenario.................................................................................................................................................... 356

Important Points to Remember..............................................................................................................................357

17 GARP VLAN Registration Protocol (GVRP)..............................................................................................358

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

Congure GVRP............................................................................................................................................................ 359

Related Conguration Tasks...................................................................................................................................359

Enabling GVRP Globally................................................................................................................................................360

Enabling GVRP on a Layer 2 Interface........................................................................................................................360

Congure GVRP Registration...................................................................................................................................... 360

Congure a GARP Timer............................................................................................................................................... 361

18 Internet Group Management Protocol (IGMP)......................................................................................... 362

IGMP Implementation Information.............................................................................................................................. 362

IGMP Protocol Overview..............................................................................................................................................362

IGMP Version 2........................................................................................................................................................ 362

IGMP Version 3........................................................................................................................................................ 364

Congure IGMP............................................................................................................................................................. 367

Related Conguration Tasks................................................................................................................................... 367

Viewing IGMP Enabled Interfaces...............................................................................................................................368

Selecting an IGMP Version...........................................................................................................................................368

12

Contents

Viewing IGMP Groups...................................................................................................................................................369

Adjusting Timers............................................................................................................................................................ 369

Adjusting Query and Response Timers................................................................................................................. 369

Enabling IGMP Immediate-Leave.................................................................................................................................370

IGMP Snooping...............................................................................................................................................................371

IGMP Snooping Implementation Information........................................................................................................ 371

Conguring IGMP Snooping....................................................................................................................................371

Removing a Group-Port Association..................................................................................................................... 372

Disabling Multicast Flooding................................................................................................................................... 372

Specifying a Port as Connected to a Multicast Router.......................................................................................372

Conguring the Switch as Querier.........................................................................................................................373

Fast Convergence after MSTP Topology Changes................................................................................................... 373

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................ 373

Protocol Separation................................................................................................................................................. 374

Enabling and Disabling Management Egress Interface Selection...................................................................... 375

Handling of Management Route Conguration....................................................................................................376

Handling of Switch-Initiated Trac....................................................................................................................... 376

Handling of Switch-Destined Trac......................................................................................................................377

Handling of Transit Trac (Trac Separation).....................................................................................................378

Mapping of Management Applications and Trac Type..................................................................................... 378

Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 379

Behavior of Various Applications for Switch-Destined Trac .......................................................................... 380

Interworking of EIS With Various Applications.....................................................................................................380

Designating a Multicast Router Interface....................................................................................................................381

19 Interfaces................................................................................................................................................. 382

Basic Interface Conguration.......................................................................................................................................382

Advanced Interface Conguration...............................................................................................................................382

Interface Types...............................................................................................................................................................383

View Basic Interface Information.................................................................................................................................383

Resetting an Interface to its Factory Default State...................................................................................................385

Enabling a Physical Interface........................................................................................................................................386

Physical Interfaces.........................................................................................................................................................386

Conguration Task List for Physical Interfaces....................................................................................................386

40G to 1G Breakout Cable Adaptor....................................................................................................................... 386

Overview of Layer Modes.......................................................................................................................................387

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

Conguring Layer 2 (Interface) Mode.................................................................................................................. 388

Conguring Layer 3 (Network) Mode...................................................................................................................388

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

Automatic recovery of an Err-disabled interface.......................................................................................................390

Conguring an automatic recovery for an Err-disabled interface......................................................................390

Egress Interface Selection (EIS)...................................................................................................................................391

Important Points to Remember.............................................................................................................................. 391

Conguring EIS.........................................................................................................................................................391

Management Interfaces................................................................................................................................................392

Contents

13

Conguring Management Interfaces.....................................................................................................................392

Conguring a Management Interface on an Ethernet Port................................................................................393

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

Loopback Interfaces......................................................................................................................................................395

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

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

Port Channel Denition and Standards.................................................................................................................396

Port Channel Benets.............................................................................................................................................396

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

Interfaces in Port Channels.................................................................................................................................... 397

Conguration Tasks for Port Channel Interfaces................................................................................................. 397

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

Adding a Physical Interface to a Port Channel.....................................................................................................398

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

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 400

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

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

Deleting or Disabling a Port Channel.....................................................................................................................402

Load Balancing Through Port Channels................................................................................................................402

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

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

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

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

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

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

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

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

Maintenance Using TDR......................................................................................................................................... 407

Non Dell-Qualied Transceivers................................................................................................................................... 408

Splitting 40G Ports without Reload.............................................................................................................................408

Splitting QSFP Ports to SFP+ Ports............................................................................................................................410

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port................................................................................... 411

Important Points to Remember...............................................................................................................................411

Example Scenarios................................................................................................................................................... 412

Conguring wavelength for 10–Gigabit SFP+ optics.................................................................................................413

Link Dampening.............................................................................................................................................................. 413

Important Points to Remember.............................................................................................................................. 414

Conguration Example of Link Dampening........................................................................................................... 414

Enabling Link Dampening.........................................................................................................................................416

Link Bundle Monitoring.................................................................................................................................................. 417

Using Ethernet Pause Frames for Flow Control......................................................................................................... 418

Enabling Pause Frames............................................................................................................................................418

Congure the MTU Size on an Interface.....................................................................................................................419

Port-Pipes.......................................................................................................................................................................420

Auto-Negotiation on Ethernet Interfaces...................................................................................................................420

14

Contents

Setting the Speed of Ethernet Interfaces............................................................................................................ 420

Set Auto-Negotiation Options................................................................................................................................ 421

View Advanced Interface Information.........................................................................................................................422

Conguring the Interface Sampling Size...............................................................................................................423

Dynamic Counters......................................................................................................................................................... 424

Clearing Interface Counters....................................................................................................................................424

Compressing Conguration Files................................................................................................................................. 425

20 IPv4 Routing............................................................................................................................................428

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Congurations Using UDP Helper............................................................................................................................... 439

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

UDP Helper with Subnet Broadcast Addresses.........................................................................................................440

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

UDP Helper with No Congured Broadcast Addresses.............................................................................................441

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

Contents

15

21 IPv6 Routing.............................................................................................................................................443

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

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

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

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

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

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

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

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

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

ICMPv6............................................................................................................................................................................451

Path MTU discovery......................................................................................................................................................452

IPv6 Neighbor Discovery.............................................................................................................................................. 452

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................453

Conguring the IPv6 Recursive DNS Server....................................................................................................... 453

Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................454

Displaying IPv6 RDNSS Information......................................................................................................................454

Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................455

Conguration Tasks for IPv6........................................................................................................................................455

Adjusting Your CAM-Prole....................................................................................................................................455

Assigning an IPv6 Address to an Interface...........................................................................................................456

Assigning a Static IPv6 Route................................................................................................................................ 457

Conguring Telnet with IPv6.................................................................................................................................. 457

SNMP over IPv6......................................................................................................................................................458

Displaying IPv6 Information....................................................................................................................................458

Displaying an IPv6 Interface Information.............................................................................................................. 458

Showing IPv6 Routes..............................................................................................................................................459

Showing the Running-Conguration for an Interface.........................................................................................460

Clearing IPv6 Routes................................................................................................................................................461

Disabling ND Entry Timeout....................................................................................................................................461

Conguring IPv6 RA Guard...........................................................................................................................................461

Conguring IPv6 RA Guard on an Interface.........................................................................................................463

Monitoring IPv6 RA Guard......................................................................................................................................464

22 iSCSI Optimization.................................................................................................................................. 465

iSCSI Optimization Overview.......................................................................................................................................465

Monitoring iSCSI Trac Flows............................................................................................................................... 467

Application of Quality of Service to iSCSI Trac Flows......................................................................................467

Information Monitored in iSCSI Trac Flows....................................................................................................... 467

Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 468

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................468

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................469

Enable and Disable iSCSI Optimization.................................................................................................................469

Default iSCSI Optimization Values............................................................................................................................... 470

iSCSI Optimization Prerequisites..................................................................................................................................470

16

Contents

Conguring iSCSI Optimization....................................................................................................................................470

Displaying iSCSI Optimization Information..................................................................................................................472

23 Intermediate System to Intermediate System...........................................................................................474

IS-IS Protocol Overview................................................................................................................................................474

IS-IS Addressing............................................................................................................................................................. 474

Multi-Topology IS-IS.......................................................................................................................................................475

Transition Mode........................................................................................................................................................475

Interface Support.....................................................................................................................................................476

Adjacencies...............................................................................................................................................................476

Graceful Restart.............................................................................................................................................................476

Timers........................................................................................................................................................................476

Implementation Information..........................................................................................................................................476

Conguration Information............................................................................................................................................. 477

Conguration Tasks for IS-IS..................................................................................................................................478

Conguring the Distance of a Route.....................................................................................................................485

Changing the IS-Type.............................................................................................................................................. 486

Redistributing IPv4 Routes.....................................................................................................................................488

Redistributing IPv6 Routes.....................................................................................................................................489

Conguring Authentication Passwords.................................................................................................................490

Setting the Overload Bit.........................................................................................................................................490

Debugging IS-IS........................................................................................................................................................491

IS-IS Metric Styles.........................................................................................................................................................492

Congure Metric Values................................................................................................................................................492

Maximum Values in the Routing Table.................................................................................................................. 492

Change the IS-IS Metric Style in One Level Only................................................................................................492

Leaks from One Level to Another..........................................................................................................................494

Sample Congurations..................................................................................................................................................495

24 Link Aggregation Control Protocol (LACP)...............................................................................................497

Introduction to Dynamic LAGs and LACP...................................................................................................................497

Important Points to Remember..............................................................................................................................497

LACP Modes............................................................................................................................................................ 498

Conguring LACP Commands...............................................................................................................................498

LACP Conguration Tasks............................................................................................................................................499

Creating a LAG.........................................................................................................................................................499

Conguring the LAG Interfaces as Dynamic........................................................................................................499

Setting the LACP Long Timeout........................................................................................................................... 500

Monitoring and Debugging LACP..........................................................................................................................500

Shared LAG State Tracking...........................................................................................................................................501

Conguring Shared LAG State Tracking................................................................................................................501

Important Points about Shared LAG State Tracking...........................................................................................503

LACP Basic Conguration Example............................................................................................................................ 503

Congure a LAG on ALPHA................................................................................................................................... 503

25 Layer 2..................................................................................................................................................... 512

Contents

17

Manage the MAC Address Table.................................................................................................................................. 512

Clearing the MAC Address Table............................................................................................................................512

Setting the Aging Time for Dynamic Entries.........................................................................................................512

Conguring a Static MAC Address.........................................................................................................................513

Displaying the MAC Address Table.........................................................................................................................513

MAC Learning Limit........................................................................................................................................................513

Setting the MAC Learning Limit............................................................................................................................. 514

mac learning-limit Dynamic..................................................................................................................................... 514

mac learning-limit mac-address-sticky.................................................................................................................. 514

mac learning-limit station-move............................................................................................................................. 515

mac learning-limit no-station-move....................................................................................................................... 515

Learning Limit Violation Actions..............................................................................................................................515

Setting Station Move Violation Actions.................................................................................................................516

Recovering from Learning Limit and Station Move Violations............................................................................516

Disabling MAC Address Learning on the System..................................................................................................517

Enabling port security.............................................................................................................................................. 517

NIC Teaming.................................................................................................................................................................... 517

Congure Redundant Pairs........................................................................................................................................... 518

Important Points about Conguring Redundant Pairs........................................................................................ 520

Far-End Failure Detection..............................................................................................................................................521

FEFD State Changes...............................................................................................................................................522

Conguring FEFD.................................................................................................................................................... 523

Enabling FEFD on an Interface...............................................................................................................................524

Debugging FEFD......................................................................................................................................................525

26 Link Layer Discovery Protocol (LLDP)..................................................................................................... 526

802.1AB (LLDP) Overview............................................................................................................................................526

Protocol Data Units................................................................................................................................................. 526

Optional TLVs................................................................................................................................................................. 527

Management TLVs...................................................................................................................................................527

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 529

TIA Organizationally Specic TLVs........................................................................................................................ 529

Congure LLDP..............................................................................................................................................................533

Related Conguration Tasks...................................................................................................................................533

Important Points to Remember............................................................................................................................. 533

LLDP Compatibility..................................................................................................................................................534

CONFIGURATION versus INTERFACE Congurations............................................................................................ 534

Enabling LLDP................................................................................................................................................................534

Disabling and Undoing LLDP..................................................................................................................................535

Enabling LLDP on Management Ports........................................................................................................................535

Disabling and Undoing LLDP on Management Ports..........................................................................................535

Advertising TLVs............................................................................................................................................................535

Storing and Viewing Unrecognized LLDP TLVs......................................................................................................... 537

Reserved Unrecognized LLDP TLVs......................................................................................................................537

Organizational Specic Unrecognized LLDP TLVs.............................................................................................. 537

Viewing Unrecognized LLDP TLVs........................................................................................................................ 537

18

Contents

Viewing the LLDP Conguration................................................................................................................................. 538

Viewing Information Advertised by Adjacent LLDP Neighbors................................................................................538

Examples of Viewing Information Advertised by Neighbors.............................................................................. 538

Conguring LLDPDU Intervals.....................................................................................................................................540

Conguring LLDP Notication Interval........................................................................................................................541

Conguring Transmit and Receive Mode.................................................................................................................... 541

Conguring the Time to Live Value............................................................................................................................. 542

Debugging LLDP............................................................................................................................................................542

Relevant Management Objects................................................................................................................................... 544

27 Microsoft Network Load Balancing.......................................................................................................... 549

NLB Unicast Mode Scenario........................................................................................................................................549

NLB Multicast Mode Scenario.....................................................................................................................................549

Limitations of the NLB Feature....................................................................................................................................550

Microsoft Clustering......................................................................................................................................................550

Enable and Disable VLAN Flooding ............................................................................................................................ 550

Conguring a Switch for NLB .....................................................................................................................................550

Enabling a Switch for Multicast NLB.....................................................................................................................551

28 Multicast Source Discovery Protocol (MSDP)......................................................................................... 552

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

Anycast RP.....................................................................................................................................................................553

Implementation Information......................................................................................................................................... 554

Congure Multicast Source Discovery Protocol........................................................................................................554

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

Enable MSDP.................................................................................................................................................................558

Manage the Source-Active Cache..............................................................................................................................559

Viewing the Source-Active Cache........................................................................................................................ 559

Limiting the Source-Active Cache.........................................................................................................................559

Clearing the Source-Active Cache........................................................................................................................560

Enabling the Rejected Source-Active Cache.......................................................................................................560

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 560

Specifying Source-Active Messages...........................................................................................................................563

Limiting the Source-Active Messages from a Peer...................................................................................................564

Preventing MSDP from Caching a Local Source.......................................................................................................564

Preventing MSDP from Caching a Remote Source.................................................................................................. 565

Preventing MSDP from Advertising a Local Source................................................................................................. 565

Logging Changes in Peership States...........................................................................................................................566

Terminating a Peership..................................................................................................................................................566

Clearing Peer Statistics.................................................................................................................................................567

Debugging MSDP.......................................................................................................................................................... 567

MSDP with Anycast RP................................................................................................................................................568

Conguring Anycast RP............................................................................................................................................... 569

Reducing Source-Active Message Flooding.........................................................................................................570

Specifying the RP Address Used in SA Messages.............................................................................................. 570

MSDP Sample Congurations......................................................................................................................................572

Contents

19

33 Multicast Listener Discovery Protocol......................................................................................................575

MLD Version 1................................................................................................................................................................ 575

MLD Querier Router......................................................................................................................................................575

Joining a Multicast Group............................................................................................................................................. 576

Leaving a Multicast Group............................................................................................................................................576

MLD version 2................................................................................................................................................................576

MLD timers.....................................................................................................................................................................578

Reducing Host Response Burstiness.................................................................................................................... 579

Conguring MLD Version..............................................................................................................................................579

Clearing MLD groups.....................................................................................................................................................579

Debugging MLD............................................................................................................................................................. 579

Explicit Tracking............................................................................................................................................................. 579

Reducing Leave Latency...............................................................................................................................................580

Displaying MLD groups table........................................................................................................................................580

Displaying MLD Interfaces............................................................................................................................................580

30 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 581

Protocol Overview..........................................................................................................................................................581

Spanning Tree Variations...............................................................................................................................................582

Implementation Information....................................................................................................................................582

Congure Multiple Spanning Tree Protocol................................................................................................................582

Related Conguration Tasks...................................................................................................................................582

Enable Multiple Spanning Tree Globally...................................................................................................................... 583

Adding and Removing Interfaces.................................................................................................................................583

Creating Multiple Spanning Tree Instances................................................................................................................ 583

Inuencing MSTP Root Selection................................................................................................................................585

Interoperate with Non-Dell Bridges.............................................................................................................................585

Changing the Region Name or Revision..................................................................................................................... 586

Modifying Global Parameters.......................................................................................................................................586

Modifying the Interface Parameters............................................................................................................................587

Conguring an EdgePort.............................................................................................................................................. 588

Flush MAC Addresses after a Topology Change....................................................................................................... 589

MSTP Sample Congurations......................................................................................................................................589

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

CongurationSFTOS Example Running-Conguration.......................................................................................590

Debugging and Verifying MSTP Congurations........................................................................................................ 594

31 Multicast Features................................................................................................................................... 596

Enabling IP Multicast.....................................................................................................................................................596

Implementation Information......................................................................................................................................... 596

Multicast Policies........................................................................................................................................................... 597

IPv4 Multicast Policies............................................................................................................................................ 597

Understanding Multicast Traceroute (mtrace).......................................................................................................... 604

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

Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 605

20

Contents

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