Dell PowerSwitch S6010-ON User guide

Dell Conguration Guide for the S6010–ON

System

9.11(2.0P1)

Notes, cautions, and warnings

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

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

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

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2017 - 05

Rev. A00

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Default Conguration...................................................................................................................................................... 46

Conguring a Host Name............................................................................................................................................... 46

Accessing the System Remotely....................................................................................................................................46

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

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

Congure a Management Route..............................................................................................................................47

Conguring a Username and Password.................................................................................................................. 47

Conguring the Enable Password..................................................................................................................................48

Conguration File Management.....................................................................................................................................48

Copy Files to and from the System......................................................................................................................... 48

Mounting an NFS File System..................................................................................................................................49

Save the Running-Conguration.............................................................................................................................. 51

Congure the Overload Bit for a Startup Scenario................................................................................................ 51

Viewing Files................................................................................................................................................................51

Managing the File System.............................................................................................................................................. 52

View Command History.................................................................................................................................................. 53

Upgrading Dell Networking OS...................................................................................................................................... 53

Using HTTP for File Transfers........................................................................................................................................ 53

Verify Software Images Before Installation...................................................................................................................54

4 Management............................................................................................................................................... 56

Contents

3

Conguring Privilege Levels........................................................................................................................................... 56

Creating a Custom Privilege Level...........................................................................................................................56

Removing a Command from EXEC Mode.............................................................................................................. 57

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................57

Allowing Access to CONFIGURATION Mode Commands.................................................................................... 57

Allowing Access to Dierent Modes........................................................................................................................57

Applying a Privilege Level to a Username............................................................................................................... 59

Applying a Privilege Level to a Terminal Line.......................................................................................................... 59

Conguring Logging........................................................................................................................................................ 59

Audit and Security Logs............................................................................................................................................60

Conguring Logging Format ................................................................................................................................... 61

Setting Up a Secure Connection to a Syslog Server............................................................................................. 61

Log Messages in the Internal Buer..............................................................................................................................63

Conguration Task List for System Log Management.......................................................................................... 63

Disabling System Logging............................................................................................................................................... 63

Sending System Messages to a Syslog Server............................................................................................................63

Conguring a UNIX System as a Syslog Server.....................................................................................................63

Track Login Activity......................................................................................................................................................... 64

Restrictions for Tracking Login Activity...................................................................................................................64

Conguring Login Activity Tracking......................................................................................................................... 64

Display Login Statistics..............................................................................................................................................65

Limit Concurrent Login Sessions....................................................................................................................................66

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 66

Conguring Concurrent Session Limit.....................................................................................................................66

Enabling the System to Clear Existing Sessions.................................................................................................... 67

Enabling Secured CLI Mode........................................................................................................................................... 68

Changing System Logging Settings...............................................................................................................................68

Display the Logging Buer and the Logging Conguration........................................................................................69

Conguring a UNIX Logging Facility Level....................................................................................................................69

Synchronizing Log Messages......................................................................................................................................... 70

Enabling Timestamp on Syslog Messages.....................................................................................................................71

File Transfer Services....................................................................................................................................................... 71

Conguration Task List for File Transfer Services..................................................................................................72

Enabling the FTP Server........................................................................................................................................... 72

Conguring FTP Server Parameters........................................................................................................................72

Conguring FTP Client Parameters......................................................................................................................... 73

Terminal Lines................................................................................................................................................................... 73

Denying and Permitting Access to a Terminal Line................................................................................................ 73

Conguring Login Authentication for Terminal Lines............................................................................................. 74

Setting Timeout for EXEC Privilege Mode................................................................................................................... 75

Using Telnet to get to Another Network Device..........................................................................................................76

Lock CONFIGURATION Mode....................................................................................................................................... 76

Viewing the Conguration Lock Status...................................................................................................................76

Restoring the Factory Default Settings.........................................................................................................................77

Important Points to Remember................................................................................................................................77

4

Contents

Restoring Factory Default Environment Variables................................................................................................. 78

5 802.1X......................................................................................................................................................... 80

Port-Authentication Process.......................................................................................................................................... 82

EAP over RADIUS......................................................................................................................................................82

Conguring 802.1X...........................................................................................................................................................83

Related Conguration Tasks..................................................................................................................................... 83

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

Enabling 802.1X................................................................................................................................................................ 84

Conguring Request Identity Re-Transmissions...........................................................................................................85

Conguring a Quiet Period after a Failed Authentication..................................................................................... 86

Forcibly Authorizing or Unauthorizing a Port................................................................................................................87

Re-Authenticating a Port................................................................................................................................................ 87

Conguring Timeouts......................................................................................................................................................88

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................89

Guest and Authentication-Fail VLANs.......................................................................................................................... 90

Conguring a Guest VLAN........................................................................................................................................91

Conguring an Authentication-Fail VLAN............................................................................................................... 91

6 Access Control Lists (ACLs)........................................................................................................................ 93

IP Access Control Lists (ACLs)...................................................................................................................................... 94

CAM Usage................................................................................................................................................................ 95

Implementing ACLs on Dell Networking OS...........................................................................................................95

Important Points to Remember......................................................................................................................................97

Conguration Task List for Route Maps..................................................................................................................97

Conguring Match Routes........................................................................................................................................99

Conguring Set Conditions.....................................................................................................................................100

Congure a Route Map for Route Redistribution..................................................................................................101

Congure a Route Map for Route Tagging........................................................................................................... 102

Continue Clause........................................................................................................................................................102

IP Fragment Handling.................................................................................................................................................... 103

IP Fragments ACL Examples...................................................................................................................................103

Layer 4 ACL Rules Examples...................................................................................................................................103

Congure a Standard IP ACL........................................................................................................................................104

Conguring a Standard IP ACL Filter.....................................................................................................................105

Congure an Extended IP ACL.....................................................................................................................................106

Conguring Filters with a Sequence Number.......................................................................................................106

Conguring Filters Without a Sequence Number................................................................................................ 108

Congure Layer 2 and Layer 3 ACLs............................................................................................................................108

Assign an IP ACL to an Interface..................................................................................................................................109

Applying an IP ACL.........................................................................................................................................................109

Counting ACL Hits.................................................................................................................................................... 110

Congure Ingress ACLs.................................................................................................................................................. 110

Congure Egress ACLs....................................................................................................................................................111

Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................... 112

IP Prex Lists...................................................................................................................................................................112

Contents

5

Implementation Information..................................................................................................................................... 113

Conguration Task List for Prex Lists...................................................................................................................113

ACL Resequencing..........................................................................................................................................................116

Resequencing an ACL or Prex List........................................................................................................................117

Route Maps......................................................................................................................................................................118

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

Flow-Based Monitoring Support for ACLs...................................................................................................................118

Behavior of Flow-Based Monitoring....................................................................................................................... 119

Enabling Flow-Based Monitoring............................................................................................................................120

Conguring IP Mirror Access Group.............................................................................................................................121

Sample Conguration...............................................................................................................................................122

Example of viewing IP mirror–access–group applied to an Interface................................................................122

7 Bidirectional Forwarding Detection (BFD)...................................................................................................123

How BFD Works............................................................................................................................................................. 123

BFD Packet Format..................................................................................................................................................124

BFD Sessions............................................................................................................................................................ 125

BFD Three-Way Handshake.................................................................................................................................... 126

Session State Changes............................................................................................................................................128

Important Points to Remember.................................................................................................................................... 128

Congure BFD................................................................................................................................................................ 128

Congure BFD for Physical Ports...........................................................................................................................129

Congure BFD for Static Routes............................................................................................................................130

Congure BFD for OSPF.........................................................................................................................................133

Congure BFD for OSPFv3.....................................................................................................................................136

Congure BFD for IS-IS........................................................................................................................................... 137

Congure BFD for BGP........................................................................................................................................... 139

Congure BFD for VRRP.........................................................................................................................................146

Conguring Protocol Liveness................................................................................................................................ 149

Troubleshooting BFD................................................................................................................................................149

8 Border Gateway Protocol IPv4 (BGPv4)..................................................................................................... 151

Autonomous Systems (AS)............................................................................................................................................151

Sessions and Peers........................................................................................................................................................ 153

Establish a Session...................................................................................................................................................153

Route Reectors.............................................................................................................................................................154

BGP Attributes............................................................................................................................................................... 155

Best Path Selection Criteria....................................................................................................................................155

Weight........................................................................................................................................................................157

Local Preference....................................................................................................................................................... 157

Multi-Exit Discriminators (MEDs)...........................................................................................................................158

Origin..........................................................................................................................................................................159

AS Path......................................................................................................................................................................160

Next Hop................................................................................................................................................................... 160

Multiprotocol BGP..........................................................................................................................................................160

Implement BGP with Dell Networking OS................................................................................................................... 161

6

Contents

Additional Path (Add-Path) Support.......................................................................................................................161

Advertise IGP Cost as MED for Redistributed Routes......................................................................................... 161

Ignore Router-ID in Best-Path Calculation............................................................................................................ 162

Four-Byte AS Numbers............................................................................................................................................162

AS4 Number Representation.................................................................................................................................. 162

AS Number Migration.............................................................................................................................................. 164

BGP4 Management Information Base (MIB)........................................................................................................165

Important Points to Remember..............................................................................................................................165

Conguration Information..............................................................................................................................................166

BGP Conguration......................................................................................................................................................... 166

Enabling BGP............................................................................................................................................................ 167

Conguring AS4 Number Representations........................................................................................................... 170

Conguring Peer Groups......................................................................................................................................... 172

Conguring BGP Fast Fall-Over............................................................................................................................. 174

Conguring Passive Peering....................................................................................................................................176

Maintaining Existing AS Numbers During an AS Migration................................................................................. 176

Allowing an AS Number to Appear in its Own AS Path........................................................................................177

Enabling Graceful Restart........................................................................................................................................178

Enabling Neighbor Graceful Restart.......................................................................................................................179

Filtering on an AS-Path Attribute........................................................................................................................... 179

Regular Expressions as Filters..................................................................................................................................181

Redistributing Routes...............................................................................................................................................182

Enabling Additional Paths........................................................................................................................................ 183

Conguring IP Community Lists............................................................................................................................. 183

Conguring an IP Extended Community List........................................................................................................184

Filtering Routes with Community Lists..................................................................................................................185

Manipulating the COMMUNITY Attribute.............................................................................................................186

Changing MED Attributes........................................................................................................................................187

Changing the LOCAL_PREFERENCE Attribute...................................................................................................187

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 188

Changing the WEIGHT Attribute............................................................................................................................189

Enabling Multipath....................................................................................................................................................189

Filtering BGP Routes................................................................................................................................................189

Filtering BGP Routes Using Route Maps............................................................................................................... 191

Filtering BGP Routes Using AS-PATH Information............................................................................................... 191

Conguring BGP Route Reectors........................................................................................................................ 192

Aggregating Routes..................................................................................................................................................193

Conguring BGP Confederations........................................................................................................................... 193

Enabling Route Flap Dampening.............................................................................................................................194

Changing BGP Timers............................................................................................................................................. 196

Enabling BGP Neighbor Soft-Reconguration..................................................................................................... 196

Enabling or disabling BGP neighbors......................................................................................................................197

Route Map Continue................................................................................................................................................199

Enabling MBGP Congurations.................................................................................................................................... 199

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 200

Contents

7

BGP Regular Expression Optimization........................................................................................................................200

Debugging BGP............................................................................................................................................................. 200

Storing Last and Bad PDUs.....................................................................................................................................201

Capturing PDUs....................................................................................................................................................... 202

PDU Counters.......................................................................................................................................................... 203

Sample Congurations.................................................................................................................................................. 203

9 Content Addressable Memory (CAM)........................................................................................................ 210

CAM Allocation............................................................................................................................................................... 210

Test CAM Usage.............................................................................................................................................................212

View CAM Proles..........................................................................................................................................................212

View CAM-ACL Settings............................................................................................................................................... 213

View CAM Usage............................................................................................................................................................214

CAM Optimization..........................................................................................................................................................215

Troubleshoot CAM Proling.......................................................................................................................................... 215

QoS CAM Region Limitation................................................................................................................................... 215

Syslog Error When the Table is Full........................................................................................................................215

Syslog Warning Upon 90 Percent Utilization of CAM..........................................................................................216

Syslog Warning for Discrepancies Between Congured Extended Prexes.....................................................216

Unied Forwarding Table (UFT) Modes...................................................................................................................... 216

Conguring UFT Modes.......................................................................................................................................... 216

10 Control Plane Policing (CoPP).................................................................................................................. 218

Congure Control Plane Policing.................................................................................................................................. 219

Conguring CoPP for Protocols............................................................................................................................ 220

Conguring CoPP for CPU Queues...................................................................................................................... 222

Displaying CoPP Conguration ............................................................................................................................. 223

11 Data Center Bridging (DCB)......................................................................................................................225

Ethernet Enhancements in Data Center Bridging..................................................................................................... 225

Priority-Based Flow Control................................................................................................................................... 226

Enhanced Transmission Selection..........................................................................................................................227

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................228

Data Center Bridging in a Trac Flow.................................................................................................................. 229

Enabling Data Center Bridging.....................................................................................................................................229

DCB Maps and its Attributes..................................................................................................................................230

Data Center Bridging: Default Conguration...............................................................................................................231

Conguring Priority-Based Flow Control.....................................................................................................................231

Conguring Lossless Queues................................................................................................................................. 232

Conguring PFC in a DCB Map................................................................................................................................... 234

PFC Conguration Notes........................................................................................................................................234

PFC Prerequisites and Restrictions.......................................................................................................................235

Applying a DCB Map on a Port.................................................................................................................................... 235

Conguring PFC without a DCB Map.........................................................................................................................236

Conguring Lossless QueuesExample:..................................................................................................................236

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................238

8

Contents

Pause and Resume of Trac..................................................................................................................................238

Buer Sizes for Lossless or PFC Packets.............................................................................................................238

Behavior of Tagged Packets.........................................................................................................................................239

Conguration Example for DSCP and PFC Priorities................................................................................................239

SNMP Support for PFC and Buer Statistics Tracking............................................................................................240

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................240

PFC and ETS Conguration Examples.........................................................................................................................241

Using PFC to Manage Converged Ethernet Trac................................................................................................... 241

Operations on Untagged Packets.................................................................................................................................241

Generation of PFC for a Priority for Untagged Packets...........................................................................................242

Congure Enhanced Transmission Selection..............................................................................................................242

ETS Prerequisites and Restrictions........................................................................................................................242

Creating an ETS Priority Group..............................................................................................................................242

ETS Operation with DCBx...................................................................................................................................... 243

Conguring Bandwidth Allocation for DCBx CIN.................................................................................................244

Conguring ETS in a DCB Map..............................................................................................................................245

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 246

Using ETS to Manage Converged Ethernet Trac...................................................................................................246

Applying DCB Policies in a Switch Stack.................................................................................................................... 247

Congure a DCBx Operation........................................................................................................................................ 247

DCBx Operation....................................................................................................................................................... 247

DCBx Port Roles...................................................................................................................................................... 247

DCB Conguration Exchange.................................................................................................................................249

Conguration Source Election................................................................................................................................249

Propagation of DCB Information........................................................................................................................... 250

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 250

DCBx Example......................................................................................................................................................... 250

DCBx Prerequisites and Restrictions......................................................................................................................251

Conguring DCBx.....................................................................................................................................................251

Verifying the DCB Conguration................................................................................................................................. 255

QoS dot1p Trac Classication and Queue Assignment..........................................................................................263

Conguring the Dynamic Buer Method................................................................................................................... 264

Sample DCB Conguration...........................................................................................................................................265

PFC and ETS Conguration Command Examples...............................................................................................266

12 Dynamic Host Conguration Protocol (DHCP)......................................................................................... 267

DHCP Packet Format and Options..............................................................................................................................267

Assign an IP Address using DHCP...............................................................................................................................269

Implementation Information..........................................................................................................................................270

Congure the System to be a DHCP Server..............................................................................................................270

Conguring the Server for Automatic Address Allocation...................................................................................271

Specifying a Default Gateway................................................................................................................................ 272

Congure a Method of Hostname Resolution......................................................................................................272

Using DNS for Address Resolution........................................................................................................................ 272

Using NetBIOS WINS for Address Resolution......................................................................................................273

Creating Manual Binding Entries............................................................................................................................273

Contents

9

Debugging the DHCP Server................................................................................................................................. 273

Using DHCP Clear Commands...............................................................................................................................274

Congure the System to be a DHCP Client................................................................................................................274

Conguring the DHCP Client System....................................................................................................................274

DHCP Client on a Management Interface............................................................................................................ 276

DHCP Client Operation with Other Features....................................................................................................... 276

Congure the System for User Port Stacking (Option 230)....................................................................................277

Congure Secure DHCP................................................................................................................................................277

Option 82.................................................................................................................................................................. 278

DHCP Snooping....................................................................................................................................................... 278

Drop DHCP Packets on Snooped VLANs Only.....................................................................................................281

Dynamic ARP Inspection.........................................................................................................................................282

Conguring Dynamic ARP Inspection................................................................................................................... 283

Source Address Validation............................................................................................................................................ 284

Enabling IP Source Address Validation.................................................................................................................. 284

DHCP MAC Source Address Validation................................................................................................................ 285

Enabling IP+MAC Source Address Validation.......................................................................................................285

Viewing the Number of SAV Dropped Packets....................................................................................................286

Clearing the Number of SAV Dropped Packets................................................................................................... 286

13 Equal Cost Multi-Path (ECMP)................................................................................................................ 287

ECMP for Flow-Based Anity..................................................................................................................................... 287

Conguring the Hash Algorithm.............................................................................................................................287

Enabling Deterministic ECMP Next Hop...............................................................................................................287

Conguring the Hash Algorithm Seed.................................................................................................................. 288

Link Bundle Monitoring................................................................................................................................................. 288

Managing ECMP Group Paths...............................................................................................................................289

Creating an ECMP Group Bundle..........................................................................................................................289

Modifying the ECMP Group Threshold.................................................................................................................289

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table......................................290

Support for ECMP in host table............................................................................................................................. 291

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes .........................................................................291

14 FIP Snooping............................................................................................................................................292

Fibre Channel over Ethernet........................................................................................................................................ 292

Ensure Robustness in a Converged Ethernet Network............................................................................................ 292

FIP Snooping on Ethernet Bridges.............................................................................................................................. 294

FIP Snooping in a Switch Stack...................................................................................................................................296

Using FIP Snooping....................................................................................................................................................... 296

FIP Snooping Prerequisites.....................................................................................................................................296

Important Points to Remember............................................................................................................................. 296

Enabling the FCoE Transit Feature........................................................................................................................ 297

Enable FIP Snooping on VLANs.............................................................................................................................298

Congure the FC-MAP Value................................................................................................................................ 298

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................298

Congure a Port for a Bridge-to-FCF Link...........................................................................................................298

10

Contents

Impact on Other Software Features..................................................................................................................... 298

FIP Snooping Restrictions...................................................................................................................................... 299

Conguring FIP Snooping.......................................................................................................................................299

Displaying FIP Snooping Information...........................................................................................................................300

FCoE Transit Conguration Example.......................................................................................................................... 305

15 Flex Hash and Optimized Boot-Up............................................................................................................307

Flex Hash Capability Overview.....................................................................................................................................307

Conguring the Flex Hash Mechanism....................................................................................................................... 307

Conguring Fast Boot and LACP Fast Switchover...................................................................................................308

Optimizing the Boot Time.............................................................................................................................................308

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................308

Guidelines for Conguring Optimized Booting Mechanism................................................................................309

Interoperation of Applications with Fast Boot and System States...........................................................................310

LACP and IPv4 Routing...........................................................................................................................................310

LACP and IPv6 Routing...........................................................................................................................................310

BGP Graceful Restart...............................................................................................................................................311

Cold Boot Caused by Power Cycling the System................................................................................................. 311

Unexpected Reload of the System......................................................................................................................... 311

Software Upgrade.....................................................................................................................................................311

LACP Fast Switchover............................................................................................................................................. 311

Changes to BGP Multipath..................................................................................................................................... 312

Delayed Installation of ECMP Routes Into BGP....................................................................................................312

RDMA Over Converged Ethernet (RoCE) Overview................................................................................................ 312

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces.......................................................................................313

16 Force10 Resilient Ring Protocol (FRRP)....................................................................................................314

Protocol Overview..........................................................................................................................................................314

Ring Status................................................................................................................................................................315

Multiple FRRP Rings................................................................................................................................................ 315

Important FRRP Points............................................................................................................................................316

Important FRRP Concepts...................................................................................................................................... 317

Implementing FRRP....................................................................................................................................................... 318

FRRP Conguration....................................................................................................................................................... 318

Creating the FRRP Group....................................................................................................................................... 318

Conguring the Control VLAN................................................................................................................................319

Conguring and Adding the Member VLANs.......................................................................................................320

Setting the FRRP Timers.........................................................................................................................................321

Clearing the FRRP Counters...................................................................................................................................321

Viewing the FRRP Conguration............................................................................................................................321

Viewing the FRRP Information............................................................................................................................... 321

Troubleshooting FRRP.................................................................................................................................................. 322

Conguration Checks..............................................................................................................................................322

Sample Conguration and Topology............................................................................................................................322

FRRP Support on VLT...................................................................................................................................................323

Example Scenario.....................................................................................................................................................324

Contents

11

Important Points to Remember............................................................................................................................. 325

17 GARP VLAN Registration Protocol (GVRP)..............................................................................................326

Important Points to Remember................................................................................................................................... 326

Congure GVRP.............................................................................................................................................................327

Related Conguration Tasks................................................................................................................................... 327

Enabling GVRP Globally................................................................................................................................................ 328

Enabling GVRP on a Layer 2 Interface........................................................................................................................328

Congure GVRP Registration.......................................................................................................................................328

Congure a GARP Timer.............................................................................................................................................. 329

18 Internet Group Management Protocol (IGMP)......................................................................................... 330

IGMP Implementation Information.............................................................................................................................. 330

IGMP Protocol Overview..............................................................................................................................................330

IGMP Version 2........................................................................................................................................................ 330

IGMP Version 3........................................................................................................................................................ 332

Congure IGMP............................................................................................................................................................. 335

Related Conguration Tasks...................................................................................................................................335

Viewing IGMP Enabled Interfaces............................................................................................................................... 336

Selecting an IGMP Version...........................................................................................................................................336

Viewing IGMP Groups...................................................................................................................................................336

Adjusting Timers.............................................................................................................................................................337

Adjusting Query and Response Timers..................................................................................................................337

Enabling IGMP Immediate-Leave.................................................................................................................................338

IGMP Snooping..............................................................................................................................................................338

IGMP Snooping Implementation Information....................................................................................................... 338

Conguring IGMP Snooping...................................................................................................................................338

Removing a Group-Port Association.....................................................................................................................339

Disabling Multicast Flooding...................................................................................................................................339

Specifying a Port as Connected to a Multicast Router...................................................................................... 339

Conguring the Switch as Querier........................................................................................................................ 340

Fast Convergence after MSTP Topology Changes...................................................................................................340

Egress Interface Selection (EIS) for HTTP and IGMP Applications.........................................................................341

Protocol Separation..................................................................................................................................................341

Enabling and Disabling Management Egress Interface Selection...................................................................... 342

Handling of Management Route Conguration................................................................................................... 343

Handling of Switch-Initiated Trac....................................................................................................................... 343

Handling of Switch-Destined Trac......................................................................................................................344

Handling of Transit Trac (Trac Separation).................................................................................................... 345

Mapping of Management Applications and Trac Type.....................................................................................345

Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 346

Behavior of Various Applications for Switch-Destined Trac ...........................................................................347

Interworking of EIS With Various Applications.....................................................................................................348

Designating a Multicast Router Interface................................................................................................................... 348

19 Interfaces.................................................................................................................................................349

12

Contents

Basic Interface Conguration.......................................................................................................................................349

Advanced Interface Conguration...............................................................................................................................349

Interface Types...............................................................................................................................................................350

View Basic Interface Information.................................................................................................................................350

Resetting an Interface to its Factory Default State...................................................................................................352

Enabling a Physical Interface........................................................................................................................................353

Physical Interfaces.........................................................................................................................................................353

Conguration Task List for Physical Interfaces....................................................................................................353

40G to 1G Breakout Cable Adaptor....................................................................................................................... 353

Overview of Layer Modes...................................................................................................................................... 354

Conguring Layer 2 (Data Link) Mode..................................................................................................................354

Conguring Layer 2 (Interface) Mode.................................................................................................................. 355

Conguring Layer 3 (Network) Mode...................................................................................................................355

Conguring Layer 3 (Interface) Mode.................................................................................................................. 356

Egress Interface Selection (EIS)..................................................................................................................................356

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

Conguring EIS........................................................................................................................................................ 357

Management Interfaces................................................................................................................................................357

Conguring Management Interfaces.....................................................................................................................357

Conguring a Management Interface on an Ethernet Port............................................................................... 359

VLAN Interfaces............................................................................................................................................................ 360

Loopback Interfaces......................................................................................................................................................360

Null Interfaces.................................................................................................................................................................361

Port Channel Interfaces.................................................................................................................................................361

Port Channel Denition and Standards..................................................................................................................361

Port Channel Benets..............................................................................................................................................361

Port Channel Implementation.................................................................................................................................362

Interfaces in Port Channels.................................................................................................................................... 362

Conguration Tasks for Port Channel Interfaces.................................................................................................363

Creating a Port Channel..........................................................................................................................................363

Adding a Physical Interface to a Port Channel.....................................................................................................363

Reassigning an Interface to a New Port Channel................................................................................................365

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 366

Adding or Removing a Port Channel from a VLAN............................................................................................. 366

Assigning an IP Address to a Port Channel...........................................................................................................367

Deleting or Disabling a Port Channel..................................................................................................................... 367

Load Balancing Through Port Channels................................................................................................................368

Changing the Hash Algorithm................................................................................................................................368

Bulk Conguration......................................................................................................................................................... 369

Interface Range....................................................................................................................................................... 369

Bulk Conguration Examples..................................................................................................................................370

Dening Interface Range Macros................................................................................................................................. 371

Dene the Interface Range..................................................................................................................................... 371

Choosing an Interface-Range Macro..................................................................................................................... 371

Monitoring and Maintaining Interfaces........................................................................................................................372

Contents

13

Maintenance Using TDR......................................................................................................................................... 373

Splitting 40G Ports without Reload.............................................................................................................................373

Splitting QSFP Ports to SFP+ Ports........................................................................................................................... 375

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.................................................................................. 376

Important Points to Remember..............................................................................................................................376

Example Scenarios...................................................................................................................................................377

Link Dampening..............................................................................................................................................................378

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

Enabling Link Dampening........................................................................................................................................ 378

Link Bundle Monitoring................................................................................................................................................. 380

Using Ethernet Pause Frames for Flow Control........................................................................................................ 380

Enabling Pause Frames............................................................................................................................................381

Congure the MTU Size on an Interface....................................................................................................................382

Port-Pipes.......................................................................................................................................................................382

Auto-Negotiation on Ethernet Interfaces................................................................................................................... 383

Setting the Speed of Ethernet Interfaces............................................................................................................ 383

Set Auto-Negotiation Options................................................................................................................................384

View Advanced Interface Information.........................................................................................................................385

Conguring the Interface Sampling Size.............................................................................................................. 386

Conguring the Trac Sampling Size Globally...........................................................................................................387

Dynamic Counters......................................................................................................................................................... 388

Clearing Interface Counters................................................................................................................................... 389

Compressing Conguration Files................................................................................................................................. 389

20 IPv4 Routing............................................................................................................................................393

IP Addresses...................................................................................................................................................................394

Implementation Information....................................................................................................................................394

Conguration Tasks for IP Addresses..........................................................................................................................394

Assigning IP Addresses to an Interface.......................................................................................................................394

Conguring Static Routes............................................................................................................................................ 395

Congure Static Routes for the Management Interface..........................................................................................396

Using the Congured Source IP Address in ICMP Messages.................................................................................. 397

Conguring the ICMP Source Interface................................................................................................................397

Conguring the Duration to Establish a TCP Connection.........................................................................................397

Enabling Directed Broadcast........................................................................................................................................ 398

Resolution of Host Names............................................................................................................................................398

Enabling Dynamic Resolution of Host Names............................................................................................................398

Specifying the Local System Domain and a List of Domains................................................................................... 399

Conguring DNS with Traceroute............................................................................................................................... 399

ARP................................................................................................................................................................................. 400

Conguration Tasks for ARP........................................................................................................................................ 400

Conguring Static ARP Entries....................................................................................................................................400

Enabling Proxy ARP....................................................................................................................................................... 401

Clearing ARP Cache.......................................................................................................................................................401

ARP Learning via Gratuitous ARP................................................................................................................................ 401

Enabling ARP Learning via Gratuitous ARP................................................................................................................402

14

Contents

ARP Learning via ARP Request................................................................................................................................... 402

Conguring ARP Retries...............................................................................................................................................403

ICMP............................................................................................................................................................................... 403

Conguration Tasks for ICMP...................................................................................................................................... 403

Enabling ICMP Unreachable Messages...................................................................................................................... 403

UDP Helper.....................................................................................................................................................................404

Congure UDP Helper............................................................................................................................................ 404

Important Points to Remember............................................................................................................................. 404

Enabling UDP Helper.....................................................................................................................................................404

Conguring a Broadcast Address................................................................................................................................405

Congurations Using UDP Helper............................................................................................................................... 405

UDP Helper with Broadcast-All Addresses.................................................................................................................405

UDP Helper with Subnet Broadcast Addresses.........................................................................................................406

UDP Helper with Congured Broadcast Addresses..................................................................................................406

UDP Helper with No Congured Broadcast Addresses............................................................................................407

Troubleshooting UDP Helper........................................................................................................................................ 407

21 IPv6 Routing............................................................................................................................................ 408

Protocol Overview.........................................................................................................................................................408

Extended Address Space........................................................................................................................................409

Stateless Autoconguration................................................................................................................................... 409

IPv6 Headers............................................................................................................................................................409

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support.................................................................... 410

IPv6 Header Fields.................................................................................................................................................... 411

Extension Header Fields.......................................................................................................................................... 413

Addressing.................................................................................................................................................................414

Implementing IPv6 with Dell Networking OS..............................................................................................................415

ICMPv6............................................................................................................................................................................416

Path MTU Discovery......................................................................................................................................................417

IPv6 Neighbor Discovery............................................................................................................................................... 417

IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 418

Conguring the IPv6 Recursive DNS Server........................................................................................................418

Debugging IPv6 RDNSS Information Sent to the Host ......................................................................................419

Displaying IPv6 RDNSS Information.......................................................................................................................419

Secure Shell (SSH) Over an IPv6 Transport.............................................................................................................. 420

Conguration Tasks for IPv6........................................................................................................................................ 420

Adjusting Your CAM-Prole....................................................................................................................................420

Assigning an IPv6 Address to an Interface............................................................................................................421

Assigning a Static IPv6 Route................................................................................................................................422

Conguring Telnet with IPv6..................................................................................................................................422

SNMP over IPv6......................................................................................................................................................422

Displaying IPv6 Information.................................................................................................................................... 423

Displaying an IPv6 Interface Information.............................................................................................................. 423

Showing IPv6 Routes.............................................................................................................................................. 424

Showing the Running-Conguration for an Interface.........................................................................................425

Clearing IPv6 Routes...............................................................................................................................................426

Contents

15

Disabling ND Entry Timeout................................................................................................................................... 426

Conguring IPv6 RA Guard.......................................................................................................................................... 426

Conguring IPv6 RA Guard on an Interface.........................................................................................................428

Monitoring IPv6 RA Guard......................................................................................................................................429

22 iSCSI Optimization...................................................................................................................................430

iSCSI Optimization Overview.......................................................................................................................................430

Monitoring iSCSI Trac Flows...............................................................................................................................432

Application of Quality of Service to iSCSI Trac Flows......................................................................................432

Information Monitored in iSCSI Trac Flows.......................................................................................................432

Detection and Auto-Conguration for Dell EqualLogic Arrays........................................................................... 433

Conguring Detection and Ports for Dell Compellent Arrays.............................................................................433

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer.................................................................434

Enable and Disable iSCSI Optimization................................................................................................................. 434

Default iSCSI Optimization Values...............................................................................................................................435

iSCSI Optimization Prerequisites................................................................................................................................. 435

Conguring iSCSI Optimization................................................................................................................................... 435

Displaying iSCSI Optimization Information..................................................................................................................437

23 Intermediate System to Intermediate System.......................................................................................... 439

IS-IS Protocol Overview................................................................................................................................................439

IS-IS Addressing.............................................................................................................................................................439

Multi-Topology IS-IS...................................................................................................................................................... 440

Transition Mode....................................................................................................................................................... 440

Interface Support..................................................................................................................................................... 441

Adjacencies................................................................................................................................................................441

Graceful Restart............................................................................................................................................................. 441

Timers........................................................................................................................................................................ 441

Implementation Information.......................................................................................................................................... 441

Conguration Information.............................................................................................................................................442

Conguration Tasks for IS-IS..................................................................................................................................443

Conguring the Distance of a Route.....................................................................................................................450

Changing the IS-Type...............................................................................................................................................451

Redistributing IPv4 Routes.....................................................................................................................................453

Redistributing IPv6 Routes.....................................................................................................................................454

Conguring Authentication Passwords.................................................................................................................455

Setting the Overload Bit.........................................................................................................................................455

Debugging IS-IS.......................................................................................................................................................456

IS-IS Metric Styles.........................................................................................................................................................457

Congure Metric Values................................................................................................................................................457

Maximum Values in the Routing Table...................................................................................................................457

Change the IS-IS Metric Style in One Level Only................................................................................................457

Leaks from One Level to Another..........................................................................................................................459

Sample Congurations..................................................................................................................................................460

24 Link Aggregation Control Protocol (LACP).............................................................................................. 462

16

Contents

Introduction to Dynamic LAGs and LACP.................................................................................................................. 462

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

LACP Modes............................................................................................................................................................ 463

Conguring LACP Commands............................................................................................................................... 463

LACP Conguration Tasks............................................................................................................................................ 464

Creating a LAG.........................................................................................................................................................464

Conguring the LAG Interfaces as Dynamic........................................................................................................ 464

Setting the LACP Long Timeout........................................................................................................................... 465

Monitoring and Debugging LACP..........................................................................................................................465

Shared LAG State Tracking.......................................................................................................................................... 466

Conguring Shared LAG State Tracking...............................................................................................................466

Important Points about Shared LAG State Tracking........................................................................................... 468

LACP Basic Conguration Example............................................................................................................................ 468

Congure a LAG on ALPHA................................................................................................................................... 468

25 Layer 2.....................................................................................................................................................477

Manage the MAC Address Table..................................................................................................................................477

Clearing the MAC Address Table............................................................................................................................477

Setting the Aging Time for Dynamic Entries........................................................................................................ 477

Conguring a Static MAC Address........................................................................................................................ 478

Displaying the MAC Address Table........................................................................................................................ 478

MAC Learning Limit....................................................................................................................................................... 478

Setting the MAC Learning Limit.............................................................................................................................479

mac learning-limit Dynamic.....................................................................................................................................479

mac learning-limit mac-address-sticky..................................................................................................................479

mac learning-limit station-move............................................................................................................................ 480

mac learning-limit no-station-move...................................................................................................................... 480

Learning Limit Violation Actions.............................................................................................................................480

Setting Station Move Violation Actions................................................................................................................. 481

Recovering from Learning Limit and Station Move Violations............................................................................481

NIC Teaming................................................................................................................................................................... 482

Congure Redundant Pairs...........................................................................................................................................483

Important Points about Conguring Redundant Pairs........................................................................................ 485

Far-End Failure Detection.............................................................................................................................................486

FEFD State Changes............................................................................................................................................... 487

Conguring FEFD.................................................................................................................................................... 488

Enabling FEFD on an Interface...............................................................................................................................488

Debugging FEFD......................................................................................................................................................489

26 Link Layer Discovery Protocol (LLDP)......................................................................................................491

802.1AB (LLDP) Overview............................................................................................................................................ 491

Protocol Data Units..................................................................................................................................................491

Optional TLVs................................................................................................................................................................. 492

Management TLVs...................................................................................................................................................492

TIA-1057 (LLDP-MED) Overview................................................................................................................................ 494

TIA Organizationally Specic TLVs........................................................................................................................ 494

Contents

17

Congure LLDP..............................................................................................................................................................498

Related Conguration Tasks...................................................................................................................................498

Important Points to Remember............................................................................................................................. 498

LLDP Compatibility..................................................................................................................................................499

CONFIGURATION versus INTERFACE Congurations............................................................................................ 499

Enabling LLDP................................................................................................................................................................499

Disabling and Undoing LLDP..................................................................................................................................500

Enabling LLDP on Management Ports........................................................................................................................500

Disabling and Undoing LLDP on Management Ports..........................................................................................500

Advertising TLVs............................................................................................................................................................500

Viewing the LLDP Conguration................................................................................................................................. 502

Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 502

Conguring LLDPDU Intervals.....................................................................................................................................503

Conguring Transmit and Receive Mode................................................................................................................... 504

Conguring the Time to Live Value............................................................................................................................. 504

Debugging LLDP............................................................................................................................................................505

Relevant Management Objects................................................................................................................................... 506

27 Microsoft Network Load Balancing............................................................................................................511

NLB Unicast Mode Scenario..........................................................................................................................................511

NLB Multicast Mode Scenario.......................................................................................................................................511

Limitations of the NLB Feature.....................................................................................................................................512

Microsoft Clustering.......................................................................................................................................................512

Enable and Disable VLAN Flooding ............................................................................................................................. 512

Conguring a Switch for NLB ......................................................................................................................................512

Enabling a Switch for Multicast NLB..................................................................................................................... 513

28 Multicast Source Discovery Protocol (MSDP)..........................................................................................514

Protocol Overview..........................................................................................................................................................514

Anycast RP......................................................................................................................................................................515

Implementation Information.......................................................................................................................................... 516

Congure Multicast Source Discovery Protocol.........................................................................................................516

Related Conguration Tasks....................................................................................................................................516

Enable MSDP................................................................................................................................................................. 520

Manage the Source-Active Cache...............................................................................................................................521

Viewing the Source-Active Cache......................................................................................................................... 521

Limiting the Source-Active Cache..........................................................................................................................521

Clearing the Source-Active Cache........................................................................................................................ 522

Enabling the Rejected Source-Active Cache....................................................................................................... 522

Accept Source-Active Messages that Fail the RFP Check......................................................................................522

Specifying Source-Active Messages...........................................................................................................................525

Limiting the Source-Active Messages from a Peer...................................................................................................526

Preventing MSDP from Caching a Local Source.......................................................................................................526

Preventing MSDP from Caching a Remote Source...................................................................................................527

Preventing MSDP from Advertising a Local Source..................................................................................................527

Logging Changes in Peership States...........................................................................................................................528

18

Contents

Terminating a Peership..................................................................................................................................................528

Clearing Peer Statistics.................................................................................................................................................529

Debugging MSDP.......................................................................................................................................................... 529

MSDP with Anycast RP................................................................................................................................................530

Conguring Anycast RP................................................................................................................................................ 531

Reducing Source-Active Message Flooding.........................................................................................................532

Specifying the RP Address Used in SA Messages.............................................................................................. 532

MSDP Sample Congurations......................................................................................................................................534

29 Multiple Spanning Tree Protocol (MSTP).................................................................................................537

Protocol Overview......................................................................................................................................................... 537

Spanning Tree Variations.............................................................................................................................................. 538

Implementation Information....................................................................................................................................538

Congure Multiple Spanning Tree Protocol................................................................................................................538

Related Conguration Tasks...................................................................................................................................539

Enable Multiple Spanning Tree Globally...................................................................................................................... 539

Adding and Removing Interfaces.................................................................................................................................539

Creating Multiple Spanning Tree Instances................................................................................................................ 540

Inuencing MSTP Root Selection................................................................................................................................ 541

Interoperate with Non-Dell Bridges.............................................................................................................................542

Changing the Region Name or Revision..................................................................................................................... 542

Modifying Global Parameters....................................................................................................................................... 542

Modifying the Interface Parameters............................................................................................................................544

Conguring an EdgePort.............................................................................................................................................. 545

Flush MAC Addresses after a Topology Change....................................................................................................... 545

MSTP Sample Congurations......................................................................................................................................546

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

CongurationSFTOS Example Running-Conguration.......................................................................................546

Debugging and Verifying MSTP Congurations........................................................................................................ 550

30 Multicast Features...................................................................................................................................552

Enabling IP Multicast.....................................................................................................................................................552

Implementation Information......................................................................................................................................... 552

Multicast Policies...........................................................................................................................................................553

IPv4 Multicast Policies............................................................................................................................................553

Understanding Multicast Traceroute (mtrace).......................................................................................................... 560

Important Points to Remember..............................................................................................................................561

Printing Multicast Traceroute (mtrace) Paths............................................................................................................561

Supported Error Codes.................................................................................................................................................562

mtrace Scenarios...........................................................................................................................................................563

31 Object Tracking........................................................................................................................................ 569

Object Tracking Overview............................................................................................................................................ 569

Track Layer 2 Interfaces..........................................................................................................................................570

Track Layer 3 Interfaces..........................................................................................................................................570

Track IPv4 and IPv6 Routes.................................................................................................................................... 571

Contents

19

Set Tracking Delays..................................................................................................................................................572

VRRP Object Tracking.............................................................................................................................................572

Object Tracking Conguration......................................................................................................................................572

Tracking a Layer 2 Interface................................................................................................................................... 572

Tracking a Layer 3 Interface................................................................................................................................... 573

Track an IPv4/IPv6 Route...................................................................................................................................... 575

Displaying Tracked Objects........................................................................................................................................... 578

32 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................580

Protocol Overview.........................................................................................................................................................580

Autonomous System (AS) Areas........................................................................................................................... 580

Area Types................................................................................................................................................................. 581

Networks and Neighbors........................................................................................................................................582

Router Types............................................................................................................................................................ 582

Designated and Backup Designated Routers....................................................................................................... 584

Link-State Advertisements (LSAs)........................................................................................................................584

Router Priority and Cost.........................................................................................................................................585

OSPF with Dell Networking OS...................................................................................................................................586

Graceful Restart.......................................................................................................................................................587

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................588

Multi-Process OSPFv2 with VRF..........................................................................................................................588

RFC-2328 Compliant OSPF Flooding................................................................................................................... 588

OSPF ACK Packing................................................................................................................................................. 589

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 589

Conguration Information.............................................................................................................................................590

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 590

Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 604

Enabling IPv6 Unicast Routing.............................................................................................................................. 605

Applying cost for OSPFv3......................................................................................................................................605

Assigning IPv6 Addresses on an Interface........................................................................................................... 606

Assigning Area ID on an Interface..........................................................................................................................606

Assigning OSPFv3 Process ID and Router ID Globally........................................................................................606

Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................... 607

Conguring Stub Areas........................................................................................................................................... 607

Conguring Passive-Interface................................................................................................................................608

Redistributing Routes..............................................................................................................................................608

Conguring a Default Route...................................................................................................................................608

Enabling OSPFv3 Graceful Restart.......................................................................................................................609

OSPFv3 Authentication Using IPsec...................................................................................................................... 611

Troubleshooting OSPFv3.........................................................................................................................................617

33 Policy-based Routing (PBR).....................................................................................................................619

Overview......................................................................................................................................................................... 619

Implementing PBR.........................................................................................................................................................620

Conguration Task List for Policy-based Routing......................................................................................................620

PBR Exceptions (Permit)........................................................................................................................................ 621

20

Contents

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